From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.windriver.com (mail.windriver.com [147.11.1.11]) by mail.openembedded.org (Postfix) with ESMTP id F1E12701F3 for ; Thu, 25 Sep 2014 02:13:36 +0000 (UTC) Received: from ALA-HCA.corp.ad.wrs.com (ala-hca.corp.ad.wrs.com [147.11.189.40]) by mail.windriver.com (8.14.9/8.14.5) with ESMTP id s8P2DV2F012451 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Wed, 24 Sep 2014 19:13:31 -0700 (PDT) Received: from [128.224.162.231] (128.224.162.231) by ALA-HCA.corp.ad.wrs.com (147.11.189.50) with Microsoft SMTP Server (TLS) id 14.3.174.1; Wed, 24 Sep 2014 19:13:30 -0700 Message-ID: <54237A49.9060406@windriver.com> Date: Thu, 25 Sep 2014 10:13:29 +0800 From: Kang Kai User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Fathi Boudra , References: <1411503122-6202-1-git-send-email-fathi.boudra@linaro.org> In-Reply-To: <1411503122-6202-1-git-send-email-fathi.boudra@linaro.org> X-Originating-IP: [128.224.162.231] Subject: Re: [PATCH] libunwind: add aarch64 support X-BeenThere: openembedded-core@lists.openembedded.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Patches and discussions about the oe-core layer List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Sep 2014 02:13:38 -0000 Content-Type: multipart/alternative; boundary="------------010900080407060008050201" --------------010900080407060008050201 Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit On 2014年09月24日 04:12, Fathi Boudra wrote: > Signed-off-by: Fathi Boudra > --- > .../libunwind/libunwind-1.1/AArch64-port.patch | 2529 ++++++++++++++++++++ > meta/recipes-support/libunwind/libunwind.inc | 1 + > meta/recipes-support/libunwind/libunwind_1.1.bb | 2 + > 3 files changed, 2532 insertions(+) > create mode 100644 meta/recipes-support/libunwind/libunwind-1.1/AArch64-port.patch It doesn't work and fail to do link: | ../src/.libs/libunwind-aarch64.so: undefined reference to `unreachable' | collect2: error: ld returned 1 exit status | make[1]: *** [test-coredump-unwind] Error 1 Is 'unreachable' an debug function? --Kai > > diff --git a/meta/recipes-support/libunwind/libunwind-1.1/AArch64-port.patch b/meta/recipes-support/libunwind/libunwind-1.1/AArch64-port.patch > new file mode 100644 > index 0000000..ed42e8a > --- /dev/null > +++ b/meta/recipes-support/libunwind/libunwind-1.1/AArch64-port.patch > @@ -0,0 +1,2529 @@ > +From ac6c0a6535975f1dc2da6e4e2766614baac2a14a Mon Sep 17 00:00:00 2001 > +From: Yvan Roux > +Date: Sat, 11 May 2013 09:18:23 -0600 > +Subject: [PATCH] AArch64 port. > + > +Upstream-Status: Backport > + > +--- > + Makefile.am | 6 > + README | 1 > + configure.ac | 6 > + include/libunwind-aarch64.h | 187 ++++++++++++++++++++++ > + include/libunwind.h.in | 4 > + include/tdep-aarch64/dwarf-config.h | 52 ++++++ > + include/tdep-aarch64/jmpbuf.h | 33 +++ > + include/tdep-aarch64/libunwind_i.h | 294 +++++++++++++++++++++++++++++++++++ > + include/tdep/dwarf-config.h | 4 > + include/tdep/jmpbuf.h | 2 > + include/tdep/libunwind_i.h.in | 4 > + src/Makefile.am | 39 ++++ > + src/aarch64/Gcreate_addr_space.c | 60 +++++++ > + src/aarch64/Gget_proc_info.c | 39 ++++ > + src/aarch64/Gget_save_loc.c | 100 +++++++++++ > + src/aarch64/Gglobal.c | 57 ++++++ > + src/aarch64/Ginit.c | 187 ++++++++++++++++++++++ > + src/aarch64/Ginit_local.c | 55 ++++++ > + src/aarch64/Ginit_remote.c | 45 +++++ > + src/aarch64/Gis_signal_frame.c | 64 +++++++ > + src/aarch64/Gregs.c | 113 +++++++++++++ > + src/aarch64/Gresume.c | 177 +++++++++++++++++++++ > + src/aarch64/Gstep.c | 129 +++++++++++++++ > + src/aarch64/Lcreate_addr_space.c | 5 > + src/aarch64/Lget_proc_info.c | 5 > + src/aarch64/Lget_save_loc.c | 5 > + src/aarch64/Lglobal.c | 5 > + src/aarch64/Linit.c | 5 > + src/aarch64/Linit_local.c | 5 > + src/aarch64/Linit_remote.c | 5 > + src/aarch64/Lis_signal_frame.c | 5 > + src/aarch64/Lregs.c | 5 > + src/aarch64/Lresume.c | 5 > + src/aarch64/Lstep.c | 5 > + src/aarch64/gen-offsets.c | 68 ++++++++ > + src/aarch64/init.h | 127 +++++++++++++++ > + src/aarch64/is_fpreg.c | 32 +++ > + src/aarch64/offsets.h | 49 +++++ > + src/aarch64/regname.c | 106 ++++++++++++ > + src/aarch64/siglongjmp.S | 12 + > + src/aarch64/unwind_i.h | 43 +++++ > + src/coredump/_UCD_access_reg_linux.c | 5 > + src/ptrace/_UPT_reg_offset.c | 36 ++++ > + 43 files changed, 2184 insertions(+), 7 deletions(-) > + create mode 100644 include/libunwind-aarch64.h > + create mode 100644 include/tdep-aarch64/dwarf-config.h > + create mode 100644 include/tdep-aarch64/jmpbuf.h > + create mode 100644 include/tdep-aarch64/libunwind_i.h > + create mode 100644 src/aarch64/Gcreate_addr_space.c > + create mode 100644 src/aarch64/Gget_proc_info.c > + create mode 100644 src/aarch64/Gget_save_loc.c > + create mode 100644 src/aarch64/Gglobal.c > + create mode 100644 src/aarch64/Ginit.c > + create mode 100644 src/aarch64/Ginit_local.c > + create mode 100644 src/aarch64/Ginit_remote.c > + create mode 100644 src/aarch64/Gis_signal_frame.c > + create mode 100644 src/aarch64/Gregs.c > + create mode 100644 src/aarch64/Gresume.c > + create mode 100644 src/aarch64/Gstep.c > + create mode 100644 src/aarch64/Lcreate_addr_space.c > + create mode 100644 src/aarch64/Lget_proc_info.c > + create mode 100644 src/aarch64/Lget_save_loc.c > + create mode 100644 src/aarch64/Lglobal.c > + create mode 100644 src/aarch64/Linit.c > + create mode 100644 src/aarch64/Linit_local.c > + create mode 100644 src/aarch64/Linit_remote.c > + create mode 100644 src/aarch64/Lis_signal_frame.c > + create mode 100644 src/aarch64/Lregs.c > + create mode 100644 src/aarch64/Lresume.c > + create mode 100644 src/aarch64/Lstep.c > + create mode 100644 src/aarch64/gen-offsets.c > + create mode 100644 src/aarch64/init.h > + create mode 100644 src/aarch64/is_fpreg.c > + create mode 100644 src/aarch64/offsets.h > + create mode 100644 src/aarch64/regname.c > + create mode 100644 src/aarch64/siglongjmp.S > + create mode 100644 src/aarch64/unwind_i.h > + > +--- a/Makefile.am > ++++ b/Makefile.am > +@@ -2,6 +2,9 @@ include_HEADERS = include/libunwind-dyna > + include/libunwind-ptrace.h \ > + include/libunwind-coredump.h > + > ++if ARCH_AARCH64 > ++include_HEADERS += include/libunwind-aarch64.h > ++endif > + if ARCH_ARM > + include_HEADERS += include/libunwind-arm.h > + endif > +@@ -41,6 +44,9 @@ SUBDIRS = src tests doc > + noinst_HEADERS = include/dwarf.h include/dwarf_i.h include/dwarf-eh.h \ > + include/compiler.h include/libunwind_i.h include/mempool.h \ > + include/remote.h \ > ++ include/tdep-aarch64/dwarf-config.h \ > ++ include/tdep-aarch64/jmpbuf.h \ > ++ include/tdep-aarch64/libunwind_i.h \ > + include/tdep-arm/dwarf-config.h include/tdep-arm/ex_tables.h \ > + include/tdep-arm/jmpbuf.h include/tdep-arm/libunwind_i.h \ > + include/tdep-ia64/jmpbuf.h include/tdep-ia64/rse.h \ > +--- a/README > ++++ b/README > +@@ -9,6 +9,7 @@ several architecture/operating-system co > + Linux/IA-64: Fully tested and supported. > + Linux/PARISC: Works well, but C library missing unwind-info. > + HP-UX/IA-64: Mostly works but known to have some serious limitations. > ++ Linux/AArch64: Newly added. > + Linux/PPC64: Newly added. > + Linux/SuperH: Newly added. > + FreeBSD/i386: Newly added. > +--- a/configure.ac > ++++ b/configure.ac > +@@ -114,7 +114,7 @@ SET_ARCH([$target_cpu],[target_arch]) > + > + AC_ARG_ENABLE(coredump, > + AS_HELP_STRING([--enable-coredump],[building libunwind-coredump library]),, > +- [AS_CASE([$host_arch], [arm*|mips*|sh*|x86*], [enable_coredump=yes], [enable_coredump=no])] > ++ [AS_CASE([$host_arch], [aarch64*|arm*|mips*|sh*|x86*], [enable_coredump=yes], [enable_coredump=no])] > + ) > + > + AC_MSG_CHECKING([if we should build libunwind-coredump]) > +@@ -131,6 +131,7 @@ AC_MSG_RESULT([$target_os]) > + > + AM_CONDITIONAL(BUILD_COREDUMP, test x$enable_coredump = xyes) > + AM_CONDITIONAL(REMOTE_ONLY, test x$target_arch != x$host_arch) > ++AM_CONDITIONAL(ARCH_AARCH64, test x$target_arch = xaarch64) > + AM_CONDITIONAL(ARCH_ARM, test x$target_arch = xarm) > + AM_CONDITIONAL(ARCH_IA64, test x$target_arch = xia64) > + AM_CONDITIONAL(ARCH_HPPA, test x$target_arch = xhppa) > +@@ -147,7 +148,7 @@ AM_CONDITIONAL(OS_FREEBSD, expr x$target > + AC_MSG_CHECKING([for ELF helper width]) > + case "${target_arch}" in > + (arm|hppa|ppc32|x86|sh) use_elf32=yes; AC_MSG_RESULT([32]);; > +-(ia64|ppc64|x86_64) use_elf64=yes; AC_MSG_RESULT([64]);; > ++(aarch64|ia64|ppc64|x86_64) use_elf64=yes; AC_MSG_RESULT([64]);; > + (mips) use_elfxx=yes; AC_MSG_RESULT([xx]);; > + *) AC_MSG_ERROR([Unknown ELF target: ${target_arch}]) > + esac > +@@ -190,6 +191,7 @@ AS_HELP_STRING([--enable-cxx-exceptions] > + # C++ exception handling doesn't work too well on x86 > + case $target_arch in > + x86*) enable_cxx_exceptions=no;; > ++ aarch64*) enable_cxx_exceptions=no;; > + arm*) enable_cxx_exceptions=no;; > + mips*) enable_cxx_exceptions=no;; > + *) enable_cxx_exceptions=yes;; > +--- /dev/null > ++++ b/include/libunwind-aarch64.h > +@@ -0,0 +1,187 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2001-2004 Hewlett-Packard Co > ++ Contributed by David Mosberger-Tang > ++ Copyright (C) 2013 Linaro Limited > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#ifndef LIBUNWIND_H > ++#define LIBUNWIND_H > ++ > ++#if defined(__cplusplus) || defined(c_plusplus) > ++extern "C" { > ++#endif > ++ > ++#include > ++#include > ++#include > ++ > ++#define UNW_TARGET aarch64 > ++#define UNW_TARGET_AARCH64 1 > ++ > ++#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ > ++ > ++/* This needs to be big enough to accommodate "struct cursor", while > ++ leaving some slack for future expansion. Changing this value will > ++ require recompiling all users of this library. Stack allocation is > ++ relatively cheap and unwind-state copying is relatively rare, so we > ++ want to err on making it rather too big than too small. */ > ++ > ++#define UNW_TDEP_CURSOR_LEN 4096 > ++ > ++typedef uint64_t unw_word_t; > ++typedef int64_t unw_sword_t; > ++ > ++typedef long double unw_tdep_fpreg_t; > ++ > ++typedef struct > ++ { > ++ /* no aarch64-specific auxiliary proc-info */ > ++ } > ++unw_tdep_proc_info_t; > ++ > ++typedef enum > ++ { > ++ /* 64-bit general registers. */ > ++ UNW_AARCH64_X0, > ++ UNW_AARCH64_X1, > ++ UNW_AARCH64_X2, > ++ UNW_AARCH64_X3, > ++ UNW_AARCH64_X4, > ++ UNW_AARCH64_X5, > ++ UNW_AARCH64_X6, > ++ UNW_AARCH64_X7, > ++ UNW_AARCH64_X8, > ++ > ++ /* Temporary registers. */ > ++ UNW_AARCH64_X9, > ++ UNW_AARCH64_X10, > ++ UNW_AARCH64_X11, > ++ UNW_AARCH64_X12, > ++ UNW_AARCH64_X13, > ++ UNW_AARCH64_X14, > ++ UNW_AARCH64_X15, > ++ > ++ /* Intra-procedure-call temporary registers. */ > ++ UNW_AARCH64_X16, > ++ UNW_AARCH64_X17, > ++ > ++ /* Callee-saved registers. */ > ++ UNW_AARCH64_X18, > ++ UNW_AARCH64_X19, > ++ UNW_AARCH64_X20, > ++ UNW_AARCH64_X21, > ++ UNW_AARCH64_X22, > ++ UNW_AARCH64_X23, > ++ UNW_AARCH64_X24, > ++ UNW_AARCH64_X25, > ++ UNW_AARCH64_X26, > ++ UNW_AARCH64_X27, > ++ UNW_AARCH64_X28, > ++ > ++ /* 64-bit frame pointer. */ > ++ UNW_AARCH64_X29, > ++ > ++ /* 64-bit link register. */ > ++ UNW_AARCH64_X30, > ++ > ++ /* 64-bit stack pointer. */ > ++ UNW_AARCH64_SP = 31, > ++ UNW_AARCH64_PC, > ++ UNW_AARCH64_PSTATE, > ++ > ++ /* 128-bit FP/Advanced SIMD registers. */ > ++ UNW_AARCH64_V0 = 64, > ++ UNW_AARCH64_V1, > ++ UNW_AARCH64_V2, > ++ UNW_AARCH64_V3, > ++ UNW_AARCH64_V4, > ++ UNW_AARCH64_V5, > ++ UNW_AARCH64_V6, > ++ UNW_AARCH64_V7, > ++ UNW_AARCH64_V8, > ++ UNW_AARCH64_V9, > ++ UNW_AARCH64_V10, > ++ UNW_AARCH64_V11, > ++ UNW_AARCH64_V12, > ++ UNW_AARCH64_V13, > ++ UNW_AARCH64_V14, > ++ UNW_AARCH64_V15, > ++ UNW_AARCH64_V16, > ++ UNW_AARCH64_V17, > ++ UNW_AARCH64_V18, > ++ UNW_AARCH64_V19, > ++ UNW_AARCH64_V20, > ++ UNW_AARCH64_V21, > ++ UNW_AARCH64_V22, > ++ UNW_AARCH64_V23, > ++ UNW_AARCH64_V24, > ++ UNW_AARCH64_V25, > ++ UNW_AARCH64_V26, > ++ UNW_AARCH64_V27, > ++ UNW_AARCH64_V28, > ++ UNW_AARCH64_V29, > ++ UNW_AARCH64_V30, > ++ UNW_AARCH64_V31, > ++ > ++ UNW_AARCH64_FPSR, > ++ UNW_AARCH64_FPCR, > ++ > ++ /* For AArch64, the CFA is the value of SP (x31) at the call site of the > ++ previous frame. */ > ++ UNW_AARCH64_CFA = UNW_AARCH64_SP, > ++ > ++ UNW_TDEP_LAST_REG = UNW_AARCH64_FPCR, > ++ > ++ UNW_TDEP_IP = UNW_AARCH64_X30, > ++ UNW_TDEP_SP = UNW_AARCH64_SP, > ++ UNW_TDEP_EH = UNW_AARCH64_X0, > ++ > ++ } > ++aarch64_regnum_t; > ++ > ++/* Use R0 through R3 to pass exception handling information. */ > ++#define UNW_TDEP_NUM_EH_REGS 4 > ++ > ++typedef struct unw_tdep_save_loc > ++ { > ++ /* Additional target-dependent info on a save location. */ > ++ } > ++unw_tdep_save_loc_t; > ++ > ++ > ++/* On AArch64, we can directly use ucontext_t as the unwind context. */ > ++typedef ucontext_t unw_tdep_context_t; > ++ > ++#include "libunwind-common.h" > ++#include "libunwind-dynamic.h" > ++ > ++#define unw_tdep_getcontext(uc) (getcontext (uc), 0) > ++#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) > ++ > ++extern int unw_tdep_is_fpreg (int); > ++ > ++#if defined(__cplusplus) || defined(c_plusplus) > ++} > ++#endif > ++ > ++#endif /* LIBUNWIND_H */ > +--- a/include/libunwind.h.in > ++++ b/include/libunwind.h.in > +@@ -3,7 +3,9 @@ > + > + #ifndef UNW_REMOTE_ONLY > + > +-#if defined __arm__ > ++#if defined __aarch64__ > ++#include "libunwind-aarch64.h" > ++#elif defined __arm__ > + # include "libunwind-arm.h" > + #elif defined __hppa__ > + # include "libunwind-hppa.h" > +--- /dev/null > ++++ b/include/tdep-aarch64/dwarf-config.h > +@@ -0,0 +1,52 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2008 CodeSourcery > ++ Copyright (C) 2012 Tommi Rantala > ++ Copyright (C) 2013 Linaro Limited > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#ifndef dwarf_config_h > ++#define dwarf_config_h > ++ > ++/* This matches the value udes by GCC (see > ++ gcc/config/aarch64/aarch64.h:DWARF_FRAME_REGISTERS. */ > ++#define DWARF_NUM_PRESERVED_REGS 97 > ++ > ++/* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */ > ++#define dwarf_is_big_endian(addr_space) 0 > ++ > ++#define dwarf_to_unw_regnum(reg) (((reg) <= UNW_AARCH64_V31) ? (reg) : 0) > ++ > ++/* Convert a pointer to a dwarf_cursor structure to a pointer to > ++ unw_cursor_t. */ > ++#define dwarf_to_cursor(c) ((unw_cursor_t *) (c)) > ++ > ++typedef struct dwarf_loc > ++ { > ++ unw_word_t val; > ++#ifndef UNW_LOCAL_ONLY > ++ unw_word_t type; /* see DWARF_LOC_TYPE_* macros. */ > ++#endif > ++ } > ++dwarf_loc_t; > ++ > ++#endif /* dwarf_config_h */ > +--- /dev/null > ++++ b/include/tdep-aarch64/jmpbuf.h > +@@ -0,0 +1,33 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2008 CodeSourcery > ++ Copyright (C) 2013 Linaro Limited > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++/* Use glibc's jump-buffer indices; NPTL peeks at SP: */ > ++ > ++/* FIXME for AArch64 */ > ++ > ++#define JB_SP 13 > ++#define JB_RP 14 > ++#define JB_MASK_SAVED 15 > ++#define JB_MASK 16 > +--- /dev/null > ++++ b/include/tdep-aarch64/libunwind_i.h > +@@ -0,0 +1,294 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2001-2005 Hewlett-Packard Co > ++ Contributed by David Mosberger-Tang > ++ Copyright (C) 2013 Linaro Limited > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#ifndef AARCH64_LIBUNWIND_I_H > ++#define AARCH64_LIBUNWIND_I_H > ++ > ++/* Target-dependent definitions that are internal to libunwind but need > ++ to be shared with target-independent code. */ > ++ > ++#include > ++#include > ++ > ++#include "elf64.h" > ++#include "mempool.h" > ++#include "dwarf.h" > ++ > ++typedef struct > ++ { > ++ /* no aarch64-specific fast trace */ > ++ } > ++unw_tdep_frame_t; > ++ > ++#ifdef UNW_LOCAL_ONLY > ++ > ++typedef unw_word_t aarch64_loc_t; > ++ > ++#else /* !UNW_LOCAL_ONLY */ > ++ > ++typedef struct aarch64_loc > ++ { > ++ unw_word_t w0, w1; > ++ } > ++aarch64_loc_t; > ++ > ++#endif /* !UNW_LOCAL_ONLY */ > ++ > ++struct unw_addr_space > ++ { > ++ struct unw_accessors acc; > ++ int big_endian; > ++ unw_caching_policy_t caching_policy; > ++#ifdef HAVE_ATOMIC_OPS_H > ++ AO_t cache_generation; > ++#else > ++ uint32_t cache_generation; > ++#endif > ++ unw_word_t dyn_generation; /* see dyn-common.h */ > ++ unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */ > ++ struct dwarf_rs_cache global_cache; > ++ struct unw_debug_frame_list *debug_frames; > ++ }; > ++ > ++struct cursor > ++ { > ++ struct dwarf_cursor dwarf; /* must be first */ > ++ enum > ++ { > ++ AARCH64_SCF_NONE, > ++ AARCH64_SCF_LINUX_RT_SIGFRAME, > ++ } > ++ sigcontext_format; > ++ unw_word_t sigcontext_addr; > ++ unw_word_t sigcontext_sp; > ++ unw_word_t sigcontext_pc; > ++ }; > ++ > ++#define DWARF_GET_LOC(l) ((l).val) > ++ > ++#ifdef UNW_LOCAL_ONLY > ++# define DWARF_NULL_LOC DWARF_LOC (0, 0) > ++# define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0) > ++# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) }) > ++# define DWARF_IS_REG_LOC(l) 0 > ++# define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) \ > ++ tdep_uc_addr((c)->as_arg, (r)), 0)) > ++# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) > ++# define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) \ > ++ tdep_uc_addr((c)->as_arg, (r)), 0)) > ++ > ++static inline int > ++dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) > ++{ > ++ if (!DWARF_GET_LOC (loc)) > ++ return -1; > ++ *val = *(unw_fpreg_t *) DWARF_GET_LOC (loc); > ++ return 0; > ++} > ++ > ++static inline int > ++dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) > ++{ > ++ if (!DWARF_GET_LOC (loc)) > ++ return -1; > ++ *(unw_fpreg_t *) DWARF_GET_LOC (loc) = val; > ++ return 0; > ++} > ++ > ++static inline int > ++dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) > ++{ > ++ if (!DWARF_GET_LOC (loc)) > ++ return -1; > ++ *val = *(unw_word_t *) DWARF_GET_LOC (loc); > ++ return 0; > ++} > ++ > ++static inline int > ++dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) > ++{ > ++ if (!DWARF_GET_LOC (loc)) > ++ return -1; > ++ *(unw_word_t *) DWARF_GET_LOC (loc) = val; > ++ return 0; > ++} > ++ > ++#else /* !UNW_LOCAL_ONLY */ > ++# define DWARF_LOC_TYPE_FP (1 << 0) > ++# define DWARF_LOC_TYPE_REG (1 << 1) > ++# define DWARF_NULL_LOC DWARF_LOC (0, 0) > ++# define DWARF_IS_NULL_LOC(l) \ > ++ ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; }) > ++# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) }) > ++# define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0) > ++# define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0) > ++# define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG) > ++# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) > ++# define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ > ++ | DWARF_LOC_TYPE_FP)) > ++ > ++static inline int > ++dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) > ++{ > ++ char *valp = (char *) &val; > ++ unw_word_t addr; > ++ int ret; > ++ > ++ if (DWARF_IS_NULL_LOC (loc)) > ++ return -UNW_EBADREG; > ++ > ++ if (DWARF_IS_REG_LOC (loc)) > ++ return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), > ++ val, 0, c->as_arg); > ++ > ++ addr = DWARF_GET_LOC (loc); > ++ if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, > ++ 0, c->as_arg)) < 0) > ++ return ret; > ++ > ++ return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 0, > ++ c->as_arg); > ++} > ++ > ++static inline int > ++dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) > ++{ > ++ char *valp = (char *) &val; > ++ unw_word_t addr; > ++ int ret; > ++ > ++ if (DWARF_IS_NULL_LOC (loc)) > ++ return -UNW_EBADREG; > ++ > ++ if (DWARF_IS_REG_LOC (loc)) > ++ return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), > ++ &val, 1, c->as_arg); > ++ > ++ addr = DWARF_GET_LOC (loc); > ++ if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, > ++ 1, c->as_arg)) < 0) > ++ return ret; > ++ > ++ return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, > ++ 1, c->as_arg); > ++} > ++ > ++static inline int > ++dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) > ++{ > ++ if (DWARF_IS_NULL_LOC (loc)) > ++ return -UNW_EBADREG; > ++ > ++ /* If a code-generator were to save a value of type unw_word_t in a > ++ floating-point register, we would have to support this case. I > ++ suppose it could happen with MMX registers, but does it really > ++ happen? */ > ++ assert (!DWARF_IS_FP_LOC (loc)); > ++ > ++ if (DWARF_IS_REG_LOC (loc)) > ++ return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val, > ++ 0, c->as_arg); > ++ else > ++ return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val, > ++ 0, c->as_arg); > ++} > ++ > ++static inline int > ++dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) > ++{ > ++ if (DWARF_IS_NULL_LOC (loc)) > ++ return -UNW_EBADREG; > ++ > ++ /* If a code-generator were to save a value of type unw_word_t in a > ++ floating-point register, we would have to support this case. I > ++ suppose it could happen with MMX registers, but does it really > ++ happen? */ > ++ assert (!DWARF_IS_FP_LOC (loc)); > ++ > ++ if (DWARF_IS_REG_LOC (loc)) > ++ return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val, > ++ 1, c->as_arg); > ++ else > ++ return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val, > ++ 1, c->as_arg); > ++} > ++ > ++#endif /* !UNW_LOCAL_ONLY */ > ++ > ++ > ++ > ++#define tdep_getcontext_trace unw_getcontext > ++#define tdep_init_done UNW_OBJ(init_done) > ++#define tdep_init UNW_OBJ(init) > ++/* Platforms that support UNW_INFO_FORMAT_TABLE need to define > ++ tdep_search_unwind_table. */ > ++#define tdep_search_unwind_table dwarf_search_unwind_table > ++#define tdep_find_unwind_table dwarf_find_unwind_table > ++#define tdep_uc_addr UNW_OBJ(uc_addr) > ++#define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image) > ++#define tdep_access_reg UNW_OBJ(access_reg) > ++#define tdep_access_fpreg UNW_OBJ(access_fpreg) > ++#define tdep_fetch_frame(c,ip,n) do {} while(0) > ++#define tdep_cache_frame(c,rs) do {} while(0) > ++#define tdep_reuse_frame(c,rs) do {} while(0) > ++#define tdep_stash_frame(c,rs) do {} while(0) > ++#define tdep_trace(cur,addr,n) (-UNW_ENOINFO) > ++ > ++#ifdef UNW_LOCAL_ONLY > ++# define tdep_find_proc_info(c,ip,n) \ > ++ dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \ > ++ (c)->as_arg) > ++# define tdep_put_unwind_info(as,pi,arg) \ > ++ dwarf_put_unwind_info((as), (pi), (arg)) > ++#else > ++# define tdep_find_proc_info(c,ip,n) \ > ++ (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \ > ++ (c)->as_arg) > ++# define tdep_put_unwind_info(as,pi,arg) \ > ++ (*(as)->acc.put_unwind_info)((as), (pi), (arg)) > ++#endif > ++ > ++#define tdep_get_as(c) ((c)->dwarf.as) > ++#define tdep_get_as_arg(c) ((c)->dwarf.as_arg) > ++#define tdep_get_ip(c) ((c)->dwarf.ip) > ++#define tdep_big_endian(as) ((as)->big_endian) > ++ > ++extern int tdep_init_done; > ++ > ++extern void tdep_init (void); > ++extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip, > ++ unw_dyn_info_t *di, unw_proc_info_t *pi, > ++ int need_unwind_info, void *arg); > ++extern void *tdep_uc_addr (unw_tdep_context_t *uc, int reg); > ++extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, > ++ unsigned long *segbase, unsigned long *mapoff, > ++ char *path, size_t pathlen); > ++extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, > ++ unw_word_t *valp, int write); > ++extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, > ++ unw_fpreg_t *valp, int write); > ++ > ++#endif /* AARCH64_LIBUNWIND_I_H */ > +--- a/include/tdep/dwarf-config.h > ++++ b/include/tdep/dwarf-config.h > +@@ -1,7 +1,9 @@ > + /* Provide a real file - not a symlink - as it would cause multiarch conflicts > + when multiple different arch releases are installed simultaneously. */ > + > +-#if defined __arm__ > ++#if defined __aarch64__ > ++# include "tdep-aarch64/dwarf-config.h" > ++#elif defined __arm__ > + # include "tdep-arm/dwarf-config.h" > + #elif defined __hppa__ > + # include "tdep-hppa/dwarf-config.h" > +--- a/include/tdep/jmpbuf.h > ++++ b/include/tdep/jmpbuf.h > +@@ -3,6 +3,8 @@ > + > + #ifndef UNW_REMOTE_ONLY > + > ++#if defined __aarch64__ > ++# include "tdep-aarch64/jmpbuf.h" > + #if defined __arm__ > + # include "tdep-arm/jmpbuf.h" > + #elif defined __hppa__ > +--- a/include/tdep/libunwind_i.h.in > ++++ b/include/tdep/libunwind_i.h.in > +@@ -3,7 +3,9 @@ > + > + #ifndef UNW_REMOTE_ONLY > + > +-#if defined __arm__ > ++#if defined __aarch64__ > ++# include "tdep-aarch64/libunwind_i.h" > ++#elif defined __arm__ > + # include "tdep-arm/libunwind_i.h" > + #elif defined __hppa__ > + # include "tdep-hppa/libunwind_i.h" > +--- a/src/Makefile.am > ++++ b/src/Makefile.am > +@@ -170,6 +170,28 @@ libunwind_elfxx_la_SOURCES = elfxx.c > + noinst_LTLIBRARIES += $(LIBUNWIND_ELF) > + libunwind_la_LIBADD += $(LIBUNWIND_ELF) > + > ++# The list of files that go into libunwind and libunwind-aarch64: > ++noinst_HEADERS += aarch64/init.h aarch64/offsets.h aarch64/unwind_i.h > ++libunwind_la_SOURCES_aarch64_common = $(libunwind_la_SOURCES_common) \ > ++ aarch64/is_fpreg.c aarch64/regname.c > ++ > ++# The list of files that go into libunwind: > ++libunwind_la_SOURCES_aarch64 = $(libunwind_la_SOURCES_aarch64_common) \ > ++ $(libunwind_la_SOURCES_local) \ > ++ aarch64/Lcreate_addr_space.c aarch64/Lget_proc_info.c \ > ++ aarch64/Lget_save_loc.c aarch64/Lglobal.c aarch64/Linit.c \ > ++ aarch64/Linit_local.c aarch64/Linit_remote.c \ > ++ aarch64/Lis_signal_frame.c aarch64/Lregs.c aarch64/Lresume.c \ > ++ aarch64/Lstep.c > ++ > ++libunwind_aarch64_la_SOURCES_aarch64 = $(libunwind_la_SOURCES_aarch64_common) \ > ++ $(libunwind_la_SOURCES_generic) \ > ++ aarch64/Gcreate_addr_space.c aarch64/Gget_proc_info.c \ > ++ aarch64/Gget_save_loc.c aarch64/Gglobal.c aarch64/Ginit.c \ > ++ aarch64/Ginit_local.c aarch64/Ginit_remote.c \ > ++ aarch64/Gis_signal_frame.c aarch64/Gregs.c aarch64/Gresume.c \ > ++ aarch64/Gstep.c > ++ > + # The list of files that go into libunwind and libunwind-arm: > + noinst_HEADERS += arm/init.h arm/offsets.h arm/unwind_i.h > + libunwind_la_SOURCES_arm_common = $(libunwind_la_SOURCES_common) \ > +@@ -422,6 +444,18 @@ if OS_FREEBSD > + libunwind_coredump_la_SOURCES += coredump/_UCD_access_reg_freebsd.c > + endif > + > ++if ARCH_AARCH64 > ++ lib_LTLIBRARIES += libunwind-aarch64.la > ++ libunwind_la_SOURCES = $(libunwind_la_SOURCES_aarch64) > ++ libunwind_aarch64_la_SOURCES = $(libunwind_aarch64_la_SOURCES_aarch64) > ++ libunwind_aarch64_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION) > ++ libunwind_aarch64_la_LIBADD = libunwind-dwarf-generic.la > ++ libunwind_aarch64_la_LIBADD += libunwind-elf64.la > ++if !REMOTE_ONLY > ++ libunwind_aarch64_la_LIBADD += libunwind.la -lc > ++endif > ++ libunwind_setjmp_la_SOURCES += aarch64/siglongjmp.S > ++else > + if ARCH_ARM > + lib_LTLIBRARIES += libunwind-arm.la > + libunwind_la_SOURCES = $(libunwind_la_SOURCES_arm) > +@@ -550,6 +584,7 @@ endif # ARCH_MIPS > + endif # ARCH_HPPA > + endif # ARCH_IA64 > + endif # ARCH_ARM > ++endif # ARCH_AARCH64 > + > + # libunwind-setjmp depends on libunwind-$(arch). Therefore must be added > + # at the end. > +@@ -572,7 +607,8 @@ AM_CPPFLAGS = -I$(top_srcdir)/include -I > + AM_CCASFLAGS = $(AM_CPPFLAGS) > + noinst_HEADERS += unwind/unwind-internal.h > + > +-EXTRA_DIST = $(libunwind_la_SOURCES_arm) \ > ++EXTRA_DIST = $(libunwind_la_SOURCES_aarch64) \ > ++ $(libunwind_la_SOURCES_arm) \ > + $(libunwind_la_SOURCES_hppa) \ > + $(libunwind_la_SOURCES_ia64) \ > + $(libunwind_la_SOURCES_mips) \ > +@@ -584,6 +620,7 @@ EXTRA_DIST = $(libunwind_la_SOURCES_arm) > + $(libunwind_la_SOURCES_common) \ > + $(libunwind_la_SOURCES_local) \ > + $(libunwind_la_SOURCES_generic) \ > ++ $(libunwind_aarch64_la_SOURCES_aarch64) \ > + $(libunwind_arm_la_SOURCES_arm) \ > + $(libunwind_hppa_la_SOURCES_hppa) \ > + $(libunwind_ia64_la_SOURCES_ia64) \ > +--- /dev/null > ++++ b/src/aarch64/Gcreate_addr_space.c > +@@ -0,0 +1,60 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2012 Tommi Rantala > ++ Copyright (C) 2013 Linaro Limited > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#include > ++#include > ++ > ++#include "unwind_i.h" > ++ > ++PROTECTED unw_addr_space_t > ++unw_create_addr_space (unw_accessors_t *a, int byte_order) > ++{ > ++#ifdef UNW_LOCAL_ONLY > ++ return NULL; > ++#else > ++ unw_addr_space_t as; > ++ > ++ /* AArch64 supports little-endian and big-endian. */ > ++ if (byte_order != 0 && byte_order != __LITTLE_ENDIAN > ++ && byte_order != __BIG_ENDIAN) > ++ return NULL; > ++ > ++ as = malloc (sizeof (*as)); > ++ if (!as) > ++ return NULL; > ++ > ++ memset (as, 0, sizeof (*as)); > ++ > ++ as->acc = *a; > ++ > ++ /* Default to little-endian for AArch64. */ > ++ if (byte_order == 0 || byte_order == __LITTLE_ENDIAN) > ++ as->big_endian = 0; > ++ else > ++ as->big_endian = 1; > ++ > ++ return as; > ++#endif > ++} > +--- /dev/null > ++++ b/src/aarch64/Gget_proc_info.c > +@@ -0,0 +1,39 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2008 CodeSourcery > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#include "unwind_i.h" > ++ > ++PROTECTED int > ++unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi) > ++{ > ++ struct cursor *c = (struct cursor *) cursor; > ++ int ret; > ++ > ++ ret = dwarf_make_proc_info (&c->dwarf); > ++ if (ret < 0) > ++ return ret; > ++ > ++ *pi = c->dwarf.pi; > ++ return 0; > ++} > +--- /dev/null > ++++ b/src/aarch64/Gget_save_loc.c > +@@ -0,0 +1,100 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2008 CodeSourcery > ++ Copyright (C) 2012 Tommi Rantala > ++ Copyright (C) 2013 Linaro Limited > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#include "unwind_i.h" > ++ > ++PROTECTED int > ++unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc) > ++{ > ++ struct cursor *c = (struct cursor *) cursor; > ++ dwarf_loc_t loc; > ++ > ++ switch (reg) > ++ { > ++ case UNW_AARCH64_X0: > ++ case UNW_AARCH64_X1: > ++ case UNW_AARCH64_X2: > ++ case UNW_AARCH64_X3: > ++ case UNW_AARCH64_X4: > ++ case UNW_AARCH64_X5: > ++ case UNW_AARCH64_X6: > ++ case UNW_AARCH64_X7: > ++ case UNW_AARCH64_X8: > ++ case UNW_AARCH64_X9: > ++ case UNW_AARCH64_X10: > ++ case UNW_AARCH64_X11: > ++ case UNW_AARCH64_X12: > ++ case UNW_AARCH64_X13: > ++ case UNW_AARCH64_X14: > ++ case UNW_AARCH64_X15: > ++ case UNW_AARCH64_X16: > ++ case UNW_AARCH64_X17: > ++ case UNW_AARCH64_X18: > ++ case UNW_AARCH64_X19: > ++ case UNW_AARCH64_X20: > ++ case UNW_AARCH64_X21: > ++ case UNW_AARCH64_X22: > ++ case UNW_AARCH64_X23: > ++ case UNW_AARCH64_X24: > ++ case UNW_AARCH64_X25: > ++ case UNW_AARCH64_X26: > ++ case UNW_AARCH64_X27: > ++ case UNW_AARCH64_X28: > ++ case UNW_AARCH64_X29: > ++ case UNW_AARCH64_X30: > ++ case UNW_AARCH64_SP: > ++ case UNW_AARCH64_PC: > ++ case UNW_AARCH64_PSTATE: > ++ loc = c->dwarf.loc[reg]; > ++ break; > ++ > ++ default: > ++ loc = DWARF_NULL_LOC; /* default to "not saved" */ > ++ break; > ++ } > ++ > ++ memset (sloc, 0, sizeof (*sloc)); > ++ > ++ if (DWARF_IS_NULL_LOC (loc)) > ++ { > ++ sloc->type = UNW_SLT_NONE; > ++ return 0; > ++ } > ++ > ++#if !defined(UNW_LOCAL_ONLY) > ++ if (DWARF_IS_REG_LOC (loc)) > ++ { > ++ sloc->type = UNW_SLT_REG; > ++ sloc->u.regnum = DWARF_GET_LOC (loc); > ++ } > ++ else > ++#endif > ++ { > ++ sloc->type = UNW_SLT_MEMORY; > ++ sloc->u.addr = DWARF_GET_LOC (loc); > ++ } > ++ return 0; > ++} > +--- /dev/null > ++++ b/src/aarch64/Gglobal.c > +@@ -0,0 +1,57 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2008 CodeSourcery > ++ Copyright (C) 2012 Tommi Rantala > ++ Copyright (C) 2013 Linaro Limited > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#include "unwind_i.h" > ++#include "dwarf_i.h" > ++ > ++HIDDEN define_lock (aarch64_lock); > ++HIDDEN int tdep_init_done; > ++ > ++HIDDEN void > ++tdep_init (void) > ++{ > ++ intrmask_t saved_mask; > ++ > ++ sigfillset (&unwi_full_mask); > ++ > ++ lock_acquire (&aarch64_lock, saved_mask); > ++ { > ++ if (tdep_init_done) > ++ /* another thread else beat us to it... */ > ++ goto out; > ++ > ++ mi_init (); > ++ > ++ dwarf_init (); > ++ > ++#ifndef UNW_REMOTE_ONLY > ++ aarch64_local_addr_space_init (); > ++#endif > ++ tdep_init_done = 1; /* signal that we're initialized... */ > ++ } > ++ out: > ++ lock_release (&aarch64_lock, saved_mask); > ++} > +--- /dev/null > ++++ b/src/aarch64/Ginit.c > +@@ -0,0 +1,187 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2008 CodeSourcery > ++ Copyright (C) 2012 Tommi Rantala > ++ Copyright (C) 2013 Linaro Limited > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#include > ++#include > ++ > ++#include "unwind_i.h" > ++ > ++#ifdef UNW_REMOTE_ONLY > ++ > ++/* unw_local_addr_space is a NULL pointer in this case. */ > ++PROTECTED unw_addr_space_t unw_local_addr_space; > ++ > ++#else /* !UNW_REMOTE_ONLY */ > ++ > ++static struct unw_addr_space local_addr_space; > ++ > ++PROTECTED unw_addr_space_t unw_local_addr_space = &local_addr_space; > ++ > ++static inline void * > ++uc_addr (ucontext_t *uc, int reg) > ++{ > ++ if (reg >= UNW_AARCH64_X0 && reg <= UNW_AARCH64_V31) > ++ return &uc->uc_mcontext.regs[reg]; > ++ else > ++ return NULL; > ++} > ++ > ++# ifdef UNW_LOCAL_ONLY > ++ > ++HIDDEN void * > ++tdep_uc_addr (ucontext_t *uc, int reg) > ++{ > ++ return uc_addr (uc, reg); > ++} > ++ > ++# endif /* UNW_LOCAL_ONLY */ > ++ > ++HIDDEN unw_dyn_info_list_t _U_dyn_info_list; > ++ > ++/* XXX fix me: there is currently no way to locate the dyn-info list > ++ by a remote unwinder. On ia64, this is done via a special > ++ unwind-table entry. Perhaps something similar can be done with > ++ DWARF2 unwind info. */ > ++ > ++static void > ++put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) > ++{ > ++ /* it's a no-op */ > ++} > ++ > ++static int > ++get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, > ++ void *arg) > ++{ > ++ *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; > ++ return 0; > ++} > ++ > ++static int > ++access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, > ++ void *arg) > ++{ > ++ if (write) > ++ { > ++ Debug (16, "mem[%lx] <- %lx\n", addr, *val); > ++ *(unw_word_t *) addr = *val; > ++ } > ++ else > ++ { > ++ *val = *(unw_word_t *) addr; > ++ Debug (16, "mem[%lx] -> %lx\n", addr, *val); > ++ } > ++ return 0; > ++} > ++ > ++static int > ++access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, > ++ void *arg) > ++{ > ++ unw_word_t *addr; > ++ ucontext_t *uc = arg; > ++ > ++ if (unw_is_fpreg (reg)) > ++ goto badreg; > ++ > ++ if (!(addr = uc_addr (uc, reg))) > ++ goto badreg; > ++ > ++ if (write) > ++ { > ++ *(unw_word_t *) addr = *val; > ++ Debug (12, "%s <- %lx\n", unw_regname (reg), *val); > ++ } > ++ else > ++ { > ++ *val = *(unw_word_t *) addr; > ++ Debug (12, "%s -> %lx\n", unw_regname (reg), *val); > ++ } > ++ return 0; > ++ > ++ badreg: > ++ Debug (1, "bad register number %u\n", reg); > ++ return -UNW_EBADREG; > ++} > ++ > ++static int > ++access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, > ++ int write, void *arg) > ++{ > ++ ucontext_t *uc = arg; > ++ unw_fpreg_t *addr; > ++ > ++ if (!unw_is_fpreg (reg)) > ++ goto badreg; > ++ > ++ if (!(addr = uc_addr (uc, reg))) > ++ goto badreg; > ++ > ++ if (write) > ++ { > ++ Debug (12, "%s <- %08lx.%08lx.%08lx\n", unw_regname (reg), > ++ ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); > ++ *(unw_fpreg_t *) addr = *val; > ++ } > ++ else > ++ { > ++ *val = *(unw_fpreg_t *) addr; > ++ Debug (12, "%s -> %08lx.%08lx.%08lx\n", unw_regname (reg), > ++ ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); > ++ } > ++ return 0; > ++ > ++ badreg: > ++ Debug (1, "bad register number %u\n", reg); > ++ /* attempt to access a non-preserved register */ > ++ return -UNW_EBADREG; > ++} > ++ > ++static int > ++get_static_proc_name (unw_addr_space_t as, unw_word_t ip, > ++ char *buf, size_t buf_len, unw_word_t *offp, > ++ void *arg) > ++{ > ++ return _Uelf64_get_proc_name (as, getpid (), ip, buf, buf_len, offp); > ++} > ++ > ++HIDDEN void > ++aarch64_local_addr_space_init (void) > ++{ > ++ memset (&local_addr_space, 0, sizeof (local_addr_space)); > ++ local_addr_space.caching_policy = UNW_CACHE_GLOBAL; > ++ local_addr_space.acc.find_proc_info = dwarf_find_proc_info; > ++ local_addr_space.acc.put_unwind_info = put_unwind_info; > ++ local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr; > ++ local_addr_space.acc.access_mem = access_mem; > ++ local_addr_space.acc.access_reg = access_reg; > ++ local_addr_space.acc.access_fpreg = access_fpreg; > ++ local_addr_space.acc.resume = aarch64_local_resume; > ++ local_addr_space.acc.get_proc_name = get_static_proc_name; > ++ unw_flush_cache (&local_addr_space, 0, 0); > ++} > ++ > ++#endif /* !UNW_REMOTE_ONLY */ > +--- /dev/null > ++++ b/src/aarch64/Ginit_local.c > +@@ -0,0 +1,55 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2008 CodeSourcery > ++ Copyright (C) 2011-2013 Linaro Limited > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#include "unwind_i.h" > ++#include "init.h" > ++ > ++#ifdef UNW_REMOTE_ONLY > ++ > ++PROTECTED int > ++unw_init_local (unw_cursor_t *cursor, unw_context_t *uc) > ++{ > ++ return -UNW_EINVAL; > ++} > ++ > ++#else /* !UNW_REMOTE_ONLY */ > ++ > ++PROTECTED int > ++unw_init_local (unw_cursor_t *cursor, unw_context_t *uc) > ++{ > ++ struct cursor *c = (struct cursor *) cursor; > ++ > ++ if (!tdep_init_done) > ++ tdep_init (); > ++ > ++ Debug (1, "(cursor=%p)\n", c); > ++ > ++ c->dwarf.as = unw_local_addr_space; > ++ c->dwarf.as_arg = uc; > ++ > ++ return common_init (c, 1); > ++} > ++ > ++#endif /* !UNW_REMOTE_ONLY */ > +--- /dev/null > ++++ b/src/aarch64/Ginit_remote.c > +@@ -0,0 +1,45 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2008 CodeSourcery > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#include "init.h" > ++#include "unwind_i.h" > ++ > ++PROTECTED int > ++unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg) > ++{ > ++#ifdef UNW_LOCAL_ONLY > ++ return -UNW_EINVAL; > ++#else /* !UNW_LOCAL_ONLY */ > ++ struct cursor *c = (struct cursor *) cursor; > ++ > ++ if (!tdep_init_done) > ++ tdep_init (); > ++ > ++ Debug (1, "(cursor=%p)\n", c); > ++ > ++ c->dwarf.as = as; > ++ c->dwarf.as_arg = as_arg; > ++ return common_init (c, 0); > ++#endif /* !UNW_LOCAL_ONLY */ > ++} > +--- /dev/null > ++++ b/src/aarch64/Gis_signal_frame.c > +@@ -0,0 +1,64 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2012 Tommi Rantala > ++ Copyright (C) 2013 Linaro Limited > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#include "unwind_i.h" > ++ > ++/* The restorer stub will always have the form: > ++ > ++ d2801168 movz x8, #0x8b > ++ d4000001 svc #0x0 > ++*/ > ++ > ++PROTECTED int > ++unw_is_signal_frame (unw_cursor_t *cursor) > ++{ > ++#ifdef __linux__ > ++ struct cursor *c = (struct cursor *) cursor; > ++ unw_word_t w0, ip; > ++ unw_addr_space_t as; > ++ unw_accessors_t *a; > ++ void *arg; > ++ int ret; > ++ > ++ as = c->dwarf.as; > ++ a = unw_get_accessors (as); > ++ arg = c->dwarf.as_arg; > ++ > ++ ip = c->dwarf.ip; > ++ > ++ ret = (*a->access_mem) (as, ip, &w0, 0, arg); > ++ if (ret < 0) > ++ return ret; > ++ > ++ /* FIXME: distinguish 32bit insn vs 64bit registers. */ > ++ if (w0 != 0xd4000001d2801168) > ++ return 0; > ++ > ++ return 1; > ++ > ++#else > ++ return -UNW_ENOINFO; > ++#endif > ++} > +--- /dev/null > ++++ b/src/aarch64/Gregs.c > +@@ -0,0 +1,113 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2008 CodeSourcery > ++ Copyright (C) 2012 Tommi Rantala > ++ Copyright (C) 2013 Linaro Limited > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#include "unwind_i.h" > ++ > ++HIDDEN int > ++tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, > ++ int write) > ++{ > ++ dwarf_loc_t loc = DWARF_NULL_LOC; > ++ unsigned int mask; > ++ > ++ switch (reg) > ++ { > ++ case UNW_AARCH64_X0: > ++ case UNW_AARCH64_X1: > ++ case UNW_AARCH64_X2: > ++ case UNW_AARCH64_X3: > ++ mask = 1 << reg; > ++ if (write) > ++ { > ++ c->dwarf.eh_args[reg] = *valp; > ++ c->dwarf.eh_valid_mask |= mask; > ++ return 0; > ++ } > ++ else if ((c->dwarf.eh_valid_mask & mask) != 0) > ++ { > ++ *valp = c->dwarf.eh_args[reg]; > ++ return 0; > ++ } > ++ else > ++ loc = c->dwarf.loc[reg]; > ++ break; > ++ > ++ case UNW_AARCH64_X4: > ++ case UNW_AARCH64_X5: > ++ case UNW_AARCH64_X6: > ++ case UNW_AARCH64_X7: > ++ case UNW_AARCH64_X8: > ++ case UNW_AARCH64_X9: > ++ case UNW_AARCH64_X10: > ++ case UNW_AARCH64_X11: > ++ case UNW_AARCH64_X12: > ++ case UNW_AARCH64_X13: > ++ case UNW_AARCH64_X14: > ++ case UNW_AARCH64_X15: > ++ case UNW_AARCH64_X16: > ++ case UNW_AARCH64_X17: > ++ case UNW_AARCH64_X18: > ++ case UNW_AARCH64_X19: > ++ case UNW_AARCH64_X20: > ++ case UNW_AARCH64_X21: > ++ case UNW_AARCH64_X22: > ++ case UNW_AARCH64_X23: > ++ case UNW_AARCH64_X24: > ++ case UNW_AARCH64_X25: > ++ case UNW_AARCH64_X26: > ++ case UNW_AARCH64_X27: > ++ case UNW_AARCH64_X28: > ++ case UNW_AARCH64_X29: > ++ case UNW_AARCH64_X30: > ++ case UNW_AARCH64_PC: > ++ case UNW_AARCH64_PSTATE: > ++ loc = c->dwarf.loc[reg]; > ++ break; > ++ > ++ case UNW_AARCH64_SP: > ++ if (write) > ++ return -UNW_EREADONLYREG; > ++ *valp = c->dwarf.cfa; > ++ return 0; > ++ > ++ default: > ++ Debug (1, "bad register number %u\n", reg); > ++ return -UNW_EBADREG; > ++ } > ++ > ++ if (write) > ++ return dwarf_put (&c->dwarf, loc, *valp); > ++ else > ++ return dwarf_get (&c->dwarf, loc, valp); > ++} > ++ > ++HIDDEN int > ++tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, > ++ int write) > ++{ > ++ Debug (1, "bad register number %u\n", reg); > ++ return -UNW_EBADREG; > ++} > +--- /dev/null > ++++ b/src/aarch64/Gresume.c > +@@ -0,0 +1,177 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2008 CodeSourcery > ++ Copyright (C) 2011-2013 Linaro Limited > ++ Copyright (C) 2012 Tommi Rantala > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#include "unwind_i.h" > ++#include "offsets.h" > ++ > ++#ifndef UNW_REMOTE_ONLY > ++ > ++HIDDEN inline int > ++aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) > ++{ > ++#ifdef __linux__ > ++ struct cursor *c = (struct cursor *) cursor; > ++ unw_tdep_context_t *uc = c->dwarf.as_arg; > ++ > ++ if (c->sigcontext_format == AARCH64_SCF_NONE) > ++ { > ++ /* Since there are no signals involved here we restore the non scratch > ++ registers only. */ > ++ unsigned long regs[11]; > ++ regs[0] = uc->uc_mcontext.regs[19]; > ++ regs[1] = uc->uc_mcontext.regs[20]; > ++ regs[2] = uc->uc_mcontext.regs[21]; > ++ regs[3] = uc->uc_mcontext.regs[22]; > ++ regs[4] = uc->uc_mcontext.regs[23]; > ++ regs[5] = uc->uc_mcontext.regs[24]; > ++ regs[6] = uc->uc_mcontext.regs[25]; > ++ regs[7] = uc->uc_mcontext.regs[26]; > ++ regs[8] = uc->uc_mcontext.regs[27]; > ++ regs[9] = uc->uc_mcontext.regs[28]; > ++ regs[10] = uc->uc_mcontext.regs[30]; /* LR */ > ++ unsigned long sp = uc->uc_mcontext.sp; > ++ > ++ struct regs_overlay { > ++ char x[sizeof(regs)]; > ++ }; > ++ > ++ asm volatile ( > ++ "ldp x19, x20, [%0]\n" > ++ "ldp x21, x22, [%0,16]\n" > ++ "ldp x23, x24, [%0,32]\n" > ++ "ldp x25, x26, [%0,48]\n" > ++ "ldp x27, x28, [%0,64]\n" > ++ "ldr x30, [%0,80]\n" > ++ "mov sp, %1\n" > ++ "ret \n" > ++ : > ++ : "r" (regs), > ++ "r" (sp), > ++ "m" (*(struct regs_overlay *)regs) > ++ ); > ++ } > ++ else > ++ { > ++ struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr; > ++ > ++ if (c->dwarf.eh_valid_mask & 0x1) sc->regs[0] = c->dwarf.eh_args[0]; > ++ if (c->dwarf.eh_valid_mask & 0x2) sc->regs[1] = c->dwarf.eh_args[1]; > ++ if (c->dwarf.eh_valid_mask & 0x4) sc->regs[2] = c->dwarf.eh_args[2]; > ++ if (c->dwarf.eh_valid_mask & 0x8) sc->regs[3] = c->dwarf.eh_args[3]; > ++ > ++ sc->regs[4] = uc->uc_mcontext.regs[4]; > ++ sc->regs[5] = uc->uc_mcontext.regs[5]; > ++ sc->regs[6] = uc->uc_mcontext.regs[6]; > ++ sc->regs[7] = uc->uc_mcontext.regs[7]; > ++ sc->regs[8] = uc->uc_mcontext.regs[8]; > ++ sc->regs[9] = uc->uc_mcontext.regs[9]; > ++ sc->regs[10] = uc->uc_mcontext.regs[10]; > ++ sc->regs[11] = uc->uc_mcontext.regs[11]; > ++ sc->regs[12] = uc->uc_mcontext.regs[12]; > ++ sc->regs[13] = uc->uc_mcontext.regs[13]; > ++ sc->regs[14] = uc->uc_mcontext.regs[14]; > ++ sc->regs[15] = uc->uc_mcontext.regs[15]; > ++ sc->regs[16] = uc->uc_mcontext.regs[16]; > ++ sc->regs[17] = uc->uc_mcontext.regs[17]; > ++ sc->regs[18] = uc->uc_mcontext.regs[18]; > ++ sc->regs[19] = uc->uc_mcontext.regs[19]; > ++ sc->regs[20] = uc->uc_mcontext.regs[20]; > ++ sc->regs[21] = uc->uc_mcontext.regs[21]; > ++ sc->regs[22] = uc->uc_mcontext.regs[22]; > ++ sc->regs[23] = uc->uc_mcontext.regs[23]; > ++ sc->regs[24] = uc->uc_mcontext.regs[24]; > ++ sc->regs[25] = uc->uc_mcontext.regs[25]; > ++ sc->regs[26] = uc->uc_mcontext.regs[26]; > ++ sc->regs[27] = uc->uc_mcontext.regs[27]; > ++ sc->regs[28] = uc->uc_mcontext.regs[28]; > ++ sc->regs[29] = uc->uc_mcontext.regs[29]; > ++ sc->regs[30] = uc->uc_mcontext.regs[30]; > ++ sc->sp = uc->uc_mcontext.sp; > ++ sc->pc = uc->uc_mcontext.pc; > ++ sc->pstate = uc->uc_mcontext.pstate; > ++ > ++ asm volatile ( > ++ "mov sp, %0\n" > ++ "ret %1\n" > ++ : : "r" (c->sigcontext_sp), "r" (c->sigcontext_pc) > ++ ); > ++ } > ++ unreachable(); > ++#else > ++ printf ("%s: implement me\n", __FUNCTION__); > ++#endif > ++ return -UNW_EINVAL; > ++} > ++ > ++#endif /* !UNW_REMOTE_ONLY */ > ++ > ++static inline void > ++establish_machine_state (struct cursor *c) > ++{ > ++ unw_addr_space_t as = c->dwarf.as; > ++ void *arg = c->dwarf.as_arg; > ++ unw_fpreg_t fpval; > ++ unw_word_t val; > ++ int reg; > ++ > ++ Debug (8, "copying out cursor state\n"); > ++ > ++ for (reg = 0; reg <= UNW_AARCH64_PSTATE; ++reg) > ++ { > ++ Debug (16, "copying %s %d\n", unw_regname (reg), reg); > ++ if (unw_is_fpreg (reg)) > ++ { > ++ if (tdep_access_fpreg (c, reg, &fpval, 0) >= 0) > ++ as->acc.access_fpreg (as, reg, &fpval, 1, arg); > ++ } > ++ else > ++ { > ++ if (tdep_access_reg (c, reg, &val, 0) >= 0) > ++ as->acc.access_reg (as, reg, &val, 1, arg); > ++ } > ++ } > ++} > ++ > ++PROTECTED int > ++unw_resume (unw_cursor_t *cursor) > ++{ > ++ struct cursor *c = (struct cursor *) cursor; > ++ > ++ Debug (1, "(cursor=%p)\n", c); > ++ > ++ if (!c->dwarf.ip) > ++ { > ++ /* This can happen easily when the frame-chain gets truncated > ++ due to bad or missing unwind-info. */ > ++ Debug (1, "refusing to resume execution at address 0\n"); > ++ return -UNW_EINVAL; > ++ } > ++ > ++ establish_machine_state (c); > ++ > ++ return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c, > ++ c->dwarf.as_arg); > ++} > +--- /dev/null > ++++ b/src/aarch64/Gstep.c > +@@ -0,0 +1,129 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2008 CodeSourcery > ++ Copyright (C) 2011-2013 Linaro Limited > ++ Copyright (C) 2012 Tommi Rantala > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#include "unwind_i.h" > ++#include "offsets.h" > ++ > ++PROTECTED int > ++unw_handle_signal_frame (unw_cursor_t *cursor) > ++{ > ++ struct cursor *c = (struct cursor *) cursor; > ++ int ret; > ++ unw_word_t sc_addr, sp, sp_addr = c->dwarf.cfa; > ++ struct dwarf_loc sp_loc = DWARF_LOC (sp_addr, 0); > ++ > ++ if ((ret = dwarf_get (&c->dwarf, sp_loc, &sp)) < 0) > ++ return -UNW_EUNSPEC; > ++ > ++ ret = unw_is_signal_frame (cursor); > ++ Debug(1, "unw_is_signal_frame()=%d\n", ret); > ++ > ++ /* Save the SP and PC to be able to return execution at this point > ++ later in time (unw_resume). */ > ++ c->sigcontext_sp = c->dwarf.cfa; > ++ c->sigcontext_pc = c->dwarf.ip; > ++ > ++ if (ret) > ++ { > ++ c->sigcontext_format = AARCH64_SCF_LINUX_RT_SIGFRAME; > ++ sc_addr = sp_addr + sizeof (siginfo_t) + LINUX_UC_MCONTEXT_OFF; > ++ } > ++ else > ++ return -UNW_EUNSPEC; > ++ > ++ c->sigcontext_addr = sc_addr; > ++ > ++ /* Update the dwarf cursor. > ++ Set the location of the registers to the corresponding addresses of the > ++ uc_mcontext / sigcontext structure contents. */ > ++ c->dwarf.loc[UNW_AARCH64_X0] = DWARF_LOC (sc_addr + LINUX_SC_X0_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X1] = DWARF_LOC (sc_addr + LINUX_SC_X1_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X2] = DWARF_LOC (sc_addr + LINUX_SC_X2_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X3] = DWARF_LOC (sc_addr + LINUX_SC_X3_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X4] = DWARF_LOC (sc_addr + LINUX_SC_X4_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X5] = DWARF_LOC (sc_addr + LINUX_SC_X5_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X6] = DWARF_LOC (sc_addr + LINUX_SC_X6_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X7] = DWARF_LOC (sc_addr + LINUX_SC_X7_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X8] = DWARF_LOC (sc_addr + LINUX_SC_X8_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X9] = DWARF_LOC (sc_addr + LINUX_SC_X9_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X10] = DWARF_LOC (sc_addr + LINUX_SC_X10_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X11] = DWARF_LOC (sc_addr + LINUX_SC_X11_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X12] = DWARF_LOC (sc_addr + LINUX_SC_X12_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X13] = DWARF_LOC (sc_addr + LINUX_SC_X13_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X14] = DWARF_LOC (sc_addr + LINUX_SC_X14_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X15] = DWARF_LOC (sc_addr + LINUX_SC_X15_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X16] = DWARF_LOC (sc_addr + LINUX_SC_X16_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X17] = DWARF_LOC (sc_addr + LINUX_SC_X17_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X18] = DWARF_LOC (sc_addr + LINUX_SC_X18_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X19] = DWARF_LOC (sc_addr + LINUX_SC_X19_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X20] = DWARF_LOC (sc_addr + LINUX_SC_X20_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X21] = DWARF_LOC (sc_addr + LINUX_SC_X21_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X22] = DWARF_LOC (sc_addr + LINUX_SC_X22_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X23] = DWARF_LOC (sc_addr + LINUX_SC_X23_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X24] = DWARF_LOC (sc_addr + LINUX_SC_X24_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X25] = DWARF_LOC (sc_addr + LINUX_SC_X25_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X26] = DWARF_LOC (sc_addr + LINUX_SC_X26_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X27] = DWARF_LOC (sc_addr + LINUX_SC_X27_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X28] = DWARF_LOC (sc_addr + LINUX_SC_X28_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X29] = DWARF_LOC (sc_addr + LINUX_SC_X29_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_X30] = DWARF_LOC (sc_addr + LINUX_SC_X30_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_SP] = DWARF_LOC (sc_addr + LINUX_SC_SP_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_PC] = DWARF_LOC (sc_addr + LINUX_SC_PC_OFF, 0); > ++ c->dwarf.loc[UNW_AARCH64_PSTATE] = DWARF_LOC (sc_addr + LINUX_SC_PSTATE_OFF, 0); > ++ > ++ /* Set SP/CFA and PC/IP. */ > ++ dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_SP], &c->dwarf.cfa); > ++ dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_PC], &c->dwarf.ip); > ++ > ++ c->dwarf.pi_valid = 0; > ++ > ++ return 1; > ++} > ++ > ++PROTECTED int > ++unw_step (unw_cursor_t *cursor) > ++{ > ++ struct cursor *c = (struct cursor *) cursor; > ++ int ret; > ++ > ++ Debug (1, "(cursor=%p, ip=0x%016lx, cfa=0x%016lx))\n", > ++ c, c->dwarf.ip, c->dwarf.cfa); > ++ > ++ /* Check if this is a signal frame. */ > ++ if (unw_is_signal_frame (cursor)) > ++ return unw_handle_signal_frame (cursor); > ++ > ++ ret = dwarf_step (&c->dwarf); > ++ Debug(1, "dwarf_step()=%d\n", ret); > ++ > ++ if (unlikely (ret == -UNW_ESTOPUNWIND)) > ++ return ret; > ++ > ++ if (unlikely (ret < 0)) > ++ return 0; > ++ > ++ return (c->dwarf.ip == 0) ? 0 : 1; > ++} > +--- /dev/null > ++++ b/src/aarch64/Lcreate_addr_space.c > +@@ -0,0 +1,5 @@ > ++#define UNW_LOCAL_ONLY > ++#include > ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) > ++#include "Gcreate_addr_space.c" > ++#endif > +--- /dev/null > ++++ b/src/aarch64/Lget_proc_info.c > +@@ -0,0 +1,5 @@ > ++#define UNW_LOCAL_ONLY > ++#include > ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) > ++#include "Gget_proc_info.c" > ++#endif > +--- /dev/null > ++++ b/src/aarch64/Lget_save_loc.c > +@@ -0,0 +1,5 @@ > ++#define UNW_LOCAL_ONLY > ++#include > ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) > ++#include "Gget_save_loc.c" > ++#endif > +--- /dev/null > ++++ b/src/aarch64/Lglobal.c > +@@ -0,0 +1,5 @@ > ++#define UNW_LOCAL_ONLY > ++#include > ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) > ++#include "Gglobal.c" > ++#endif > +--- /dev/null > ++++ b/src/aarch64/Linit.c > +@@ -0,0 +1,5 @@ > ++#define UNW_LOCAL_ONLY > ++#include > ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) > ++#include "Ginit.c" > ++#endif > +--- /dev/null > ++++ b/src/aarch64/Linit_local.c > +@@ -0,0 +1,5 @@ > ++#define UNW_LOCAL_ONLY > ++#include > ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) > ++#include "Ginit_local.c" > ++#endif > +--- /dev/null > ++++ b/src/aarch64/Linit_remote.c > +@@ -0,0 +1,5 @@ > ++#define UNW_LOCAL_ONLY > ++#include > ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) > ++#include "Ginit_remote.c" > ++#endif > +--- /dev/null > ++++ b/src/aarch64/Lis_signal_frame.c > +@@ -0,0 +1,5 @@ > ++#define UNW_LOCAL_ONLY > ++#include > ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) > ++#include "Gis_signal_frame.c" > ++#endif > +--- /dev/null > ++++ b/src/aarch64/Lregs.c > +@@ -0,0 +1,5 @@ > ++#define UNW_LOCAL_ONLY > ++#include > ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) > ++#include "Gregs.c" > ++#endif > +--- /dev/null > ++++ b/src/aarch64/Lresume.c > +@@ -0,0 +1,5 @@ > ++#define UNW_LOCAL_ONLY > ++#include > ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) > ++#include "Gresume.c" > ++#endif > +--- /dev/null > ++++ b/src/aarch64/Lstep.c > +@@ -0,0 +1,5 @@ > ++#define UNW_LOCAL_ONLY > ++#include > ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) > ++#include "Gstep.c" > ++#endif > +--- /dev/null > ++++ b/src/aarch64/gen-offsets.c > +@@ -0,0 +1,68 @@ > ++#include > ++#include > ++#include > ++#include > ++ > ++#define UC(N,X) \ > ++ printf ("#define LINUX_UC_" N "_OFF\t0x%X\n", offsetof (ucontext_t, X)) > ++ > ++#define SC(N,X) \ > ++ printf ("#define LINUX_SC_" N "_OFF\t0x%X\n", offsetof (struct sigcontext, X)) > ++ > ++int > ++main (void) > ++{ > ++ printf ( > ++"/* Linux-specific definitions: */\n\n" > ++ > ++"/* Define various structure offsets to simplify cross-compilation. */\n\n" > ++ > ++"/* Offsets for AArch64 Linux \"ucontext_t\": */\n\n"); > ++ > ++ UC ("FLAGS", uc_flags); > ++ UC ("LINK", uc_link); > ++ UC ("STACK", uc_stack); > ++ UC ("MCONTEXT", uc_mcontext); > ++ UC ("SIGMASK", uc_sigmask); > ++ > ++ printf ("\n/* Offsets for AArch64 Linux \"struct sigcontext\": */\n\n"); > ++ > ++ SC ("R0", regs[0]); > ++ SC ("R1", regs[1]); > ++ SC ("R2", regs[2]); > ++ SC ("R3", regs[3]); > ++ SC ("R4", regs[4]); > ++ SC ("R5", regs[5]); > ++ SC ("R6", regs[6]); > ++ SC ("R7", regs[7]); > ++ SC ("R8", regs[8]); > ++ SC ("R9", regs[9]); > ++ SC ("R10", regs[10]); > ++ SC ("R11", regs[11]); > ++ SC ("R12", regs[12]); > ++ SC ("R13", regs[13]); > ++ SC ("R14", regs[14]); > ++ SC ("R15", regs[15]); > ++ SC ("R16", regs[16]); > ++ SC ("R17", regs[17]); > ++ SC ("R18", regs[18]); > ++ SC ("R19", regs[19]); > ++ SC ("R20", regs[20]); > ++ SC ("R21", regs[21]); > ++ SC ("R22", regs[22]); > ++ SC ("R23", regs[23]); > ++ SC ("R24", regs[24]); > ++ SC ("R25", regs[25]); > ++ SC ("R26", regs[26]); > ++ SC ("R27", regs[27]); > ++ SC ("R28", regs[28]); > ++ SC ("R29", regs[29]); > ++ SC ("R30", regs[30]); > ++ SC ("R31", regs[31]); > ++ > ++ SC ("PC", pc); > ++ SC ("SP", sp); > ++ SC ("Fault", fault_address); > ++ SC ("state", pstate); > ++ return 0; > ++} > +--- /dev/null > ++++ b/src/aarch64/init.h > +@@ -0,0 +1,127 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2012 Tommi Rantala > ++ Copyright (C) 2013 Linaro Limited > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#include "unwind_i.h" > ++ > ++static inline int > ++common_init (struct cursor *c, unsigned use_prev_instr) > ++{ > ++ int ret, i; > ++ > ++ c->dwarf.loc[UNW_AARCH64_X0] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X0); > ++ c->dwarf.loc[UNW_AARCH64_X1] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X1); > ++ c->dwarf.loc[UNW_AARCH64_X2] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X2); > ++ c->dwarf.loc[UNW_AARCH64_X3] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X3); > ++ c->dwarf.loc[UNW_AARCH64_X4] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X4); > ++ c->dwarf.loc[UNW_AARCH64_X5] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X5); > ++ c->dwarf.loc[UNW_AARCH64_X6] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X6); > ++ c->dwarf.loc[UNW_AARCH64_X7] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X7); > ++ c->dwarf.loc[UNW_AARCH64_X8] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X8); > ++ c->dwarf.loc[UNW_AARCH64_X9] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X9); > ++ c->dwarf.loc[UNW_AARCH64_X10] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X10); > ++ c->dwarf.loc[UNW_AARCH64_X11] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X11); > ++ c->dwarf.loc[UNW_AARCH64_X12] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X12); > ++ c->dwarf.loc[UNW_AARCH64_X13] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X13); > ++ c->dwarf.loc[UNW_AARCH64_X14] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X14); > ++ c->dwarf.loc[UNW_AARCH64_X15] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X15); > ++ c->dwarf.loc[UNW_AARCH64_X16] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X16); > ++ c->dwarf.loc[UNW_AARCH64_X17] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X17); > ++ c->dwarf.loc[UNW_AARCH64_X18] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X18); > ++ c->dwarf.loc[UNW_AARCH64_X19] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X19); > ++ c->dwarf.loc[UNW_AARCH64_X20] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X20); > ++ c->dwarf.loc[UNW_AARCH64_X21] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X21); > ++ c->dwarf.loc[UNW_AARCH64_X22] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X22); > ++ c->dwarf.loc[UNW_AARCH64_X23] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X23); > ++ c->dwarf.loc[UNW_AARCH64_X24] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X24); > ++ c->dwarf.loc[UNW_AARCH64_X25] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X25); > ++ c->dwarf.loc[UNW_AARCH64_X26] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X26); > ++ c->dwarf.loc[UNW_AARCH64_X27] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X27); > ++ c->dwarf.loc[UNW_AARCH64_X28] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X28); > ++ c->dwarf.loc[UNW_AARCH64_X29] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X29); > ++ c->dwarf.loc[UNW_AARCH64_X30] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X30); > ++ c->dwarf.loc[UNW_AARCH64_SP] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_SP); > ++ c->dwarf.loc[UNW_AARCH64_PC] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_PC); > ++ c->dwarf.loc[UNW_AARCH64_PSTATE] = DWARF_REG_LOC (&c->dwarf, > ++ UNW_AARCH64_PSTATE); > ++ c->dwarf.loc[UNW_AARCH64_V0] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V0); > ++ c->dwarf.loc[UNW_AARCH64_V1] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V1); > ++ c->dwarf.loc[UNW_AARCH64_V2] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V2); > ++ c->dwarf.loc[UNW_AARCH64_V3] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V3); > ++ c->dwarf.loc[UNW_AARCH64_V4] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V4); > ++ c->dwarf.loc[UNW_AARCH64_V5] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V5); > ++ c->dwarf.loc[UNW_AARCH64_V6] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V6); > ++ c->dwarf.loc[UNW_AARCH64_V7] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V7); > ++ c->dwarf.loc[UNW_AARCH64_V8] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V8); > ++ c->dwarf.loc[UNW_AARCH64_V9] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V9); > ++ c->dwarf.loc[UNW_AARCH64_V10] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V10); > ++ c->dwarf.loc[UNW_AARCH64_V11] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V11); > ++ c->dwarf.loc[UNW_AARCH64_V12] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V12); > ++ c->dwarf.loc[UNW_AARCH64_V13] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V13); > ++ c->dwarf.loc[UNW_AARCH64_V14] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V14); > ++ c->dwarf.loc[UNW_AARCH64_V15] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V15); > ++ c->dwarf.loc[UNW_AARCH64_V16] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V16); > ++ c->dwarf.loc[UNW_AARCH64_V17] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V17); > ++ c->dwarf.loc[UNW_AARCH64_V18] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V18); > ++ c->dwarf.loc[UNW_AARCH64_V19] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V19); > ++ c->dwarf.loc[UNW_AARCH64_V20] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V20); > ++ c->dwarf.loc[UNW_AARCH64_V21] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V21); > ++ c->dwarf.loc[UNW_AARCH64_V22] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V22); > ++ c->dwarf.loc[UNW_AARCH64_V23] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V23); > ++ c->dwarf.loc[UNW_AARCH64_V24] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V24); > ++ c->dwarf.loc[UNW_AARCH64_V25] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V25); > ++ c->dwarf.loc[UNW_AARCH64_V26] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V26); > ++ c->dwarf.loc[UNW_AARCH64_V27] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V27); > ++ c->dwarf.loc[UNW_AARCH64_V28] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V28); > ++ c->dwarf.loc[UNW_AARCH64_V29] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V29); > ++ c->dwarf.loc[UNW_AARCH64_V30] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V30); > ++ c->dwarf.loc[UNW_AARCH64_V31] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V31); > ++ > ++ for (i = UNW_AARCH64_PSTATE + 1; i < UNW_AARCH64_V0; ++i) > ++ c->dwarf.loc[i] = DWARF_NULL_LOC; > ++ > ++ ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_PC], &c->dwarf.ip); > ++ if (ret < 0) > ++ return ret; > ++ > ++ ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_SP], &c->dwarf.cfa); > ++ if (ret < 0) > ++ return ret; > ++ > ++ c->sigcontext_format = AARCH64_SCF_NONE; > ++ c->sigcontext_addr = 0; > ++ c->sigcontext_sp = 0; > ++ c->sigcontext_pc = 0; > ++ > ++ c->dwarf.args_size = 0; > ++ c->dwarf.ret_addr_column = 0; > ++ c->dwarf.stash_frames = 0; > ++ c->dwarf.use_prev_instr = use_prev_instr; > ++ c->dwarf.pi_valid = 0; > ++ c->dwarf.pi_is_dynamic = 0; > ++ c->dwarf.hint = 0; > ++ c->dwarf.prev_rs = 0; > ++ > ++ return 0; > ++} > +--- /dev/null > ++++ b/src/aarch64/is_fpreg.c > +@@ -0,0 +1,32 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2008 CodeSourcery > ++ Copyright (C) 2013 Linaro Limited > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#include "libunwind_i.h" > ++ > ++PROTECTED int > ++unw_is_fpreg (int regnum) > ++{ > ++ return (regnum >= UNW_AARCH64_V0 && regnum <= UNW_AARCH64_V31); > ++} > +--- /dev/null > ++++ b/src/aarch64/offsets.h > +@@ -0,0 +1,49 @@ > ++/* Linux-specific definitions: */ > ++ > ++/* Define various structure offsets to simplify cross-compilation. */ > ++ > ++/* Offsets for AArch64 Linux "ucontext_t": */ > ++ > ++#define LINUX_UC_FLAGS_OFF 0x0 > ++#define LINUX_UC_LINK_OFF 0x8 > ++#define LINUX_UC_STACK_OFF 0x10 > ++#define LINUX_UC_SIGMASK_OFF 0x28 > ++#define LINUX_UC_MCONTEXT_OFF 0xb0 > ++ > ++/* Offsets for AArch64 Linux "struct sigcontext": */ > ++ > ++#define LINUX_SC_FAULTADDRESS_OFF 0x00 > ++#define LINUX_SC_X0_OFF 0x008 > ++#define LINUX_SC_X1_OFF 0x010 > ++#define LINUX_SC_X2_OFF 0x018 > ++#define LINUX_SC_X3_OFF 0x020 > ++#define LINUX_SC_X4_OFF 0x028 > ++#define LINUX_SC_X5_OFF 0x030 > ++#define LINUX_SC_X6_OFF 0x038 > ++#define LINUX_SC_X7_OFF 0x040 > ++#define LINUX_SC_X8_OFF 0x048 > ++#define LINUX_SC_X9_OFF 0x050 > ++#define LINUX_SC_X10_OFF 0x058 > ++#define LINUX_SC_X11_OFF 0x060 > ++#define LINUX_SC_X12_OFF 0x068 > ++#define LINUX_SC_X13_OFF 0x070 > ++#define LINUX_SC_X14_OFF 0x078 > ++#define LINUX_SC_X15_OFF 0x080 > ++#define LINUX_SC_X16_OFF 0x088 > ++#define LINUX_SC_X17_OFF 0x090 > ++#define LINUX_SC_X18_OFF 0x098 > ++#define LINUX_SC_X19_OFF 0x0a0 > ++#define LINUX_SC_X20_OFF 0x0a8 > ++#define LINUX_SC_X21_OFF 0x0b0 > ++#define LINUX_SC_X22_OFF 0x0b8 > ++#define LINUX_SC_X23_OFF 0x0c0 > ++#define LINUX_SC_X24_OFF 0x0c8 > ++#define LINUX_SC_X25_OFF 0x0d0 > ++#define LINUX_SC_X26_OFF 0x0d8 > ++#define LINUX_SC_X27_OFF 0x0e0 > ++#define LINUX_SC_X28_OFF 0x0e8 > ++#define LINUX_SC_X29_OFF 0x0f0 > ++#define LINUX_SC_X30_OFF 0x0f8 > ++#define LINUX_SC_SP_OFF 0x100 > ++#define LINUX_SC_PC_OFF 0x108 > ++#define LINUX_SC_PSTATE_OFF 0x110 > +--- /dev/null > ++++ b/src/aarch64/regname.c > +@@ -0,0 +1,106 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2012 Tommi Rantala > ++ Copyright (C) 2013 Linaro Limited > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#include "unwind_i.h" > ++ > ++static const char *const regname[] = > ++ { > ++ [UNW_AARCH64_X0] = "x0", > ++ [UNW_AARCH64_X1] = "x1", > ++ [UNW_AARCH64_X2] = "x2", > ++ [UNW_AARCH64_X3] = "x3", > ++ [UNW_AARCH64_X4] = "x4", > ++ [UNW_AARCH64_X5] = "x5", > ++ [UNW_AARCH64_X6] = "x6", > ++ [UNW_AARCH64_X7] = "x7", > ++ [UNW_AARCH64_X8] = "x8", > ++ [UNW_AARCH64_X9] = "x9", > ++ [UNW_AARCH64_X10] = "x10", > ++ [UNW_AARCH64_X11] = "x11", > ++ [UNW_AARCH64_X12] = "x12", > ++ [UNW_AARCH64_X13] = "x13", > ++ [UNW_AARCH64_X14] = "x14", > ++ [UNW_AARCH64_X15] = "x15", > ++ [UNW_AARCH64_X16] = "ip0", > ++ [UNW_AARCH64_X17] = "ip1", > ++ [UNW_AARCH64_X18] = "x18", > ++ [UNW_AARCH64_X19] = "x19", > ++ [UNW_AARCH64_X20] = "x20", > ++ [UNW_AARCH64_X21] = "x21", > ++ [UNW_AARCH64_X22] = "x22", > ++ [UNW_AARCH64_X23] = "x23", > ++ [UNW_AARCH64_X24] = "x24", > ++ [UNW_AARCH64_X25] = "x25", > ++ [UNW_AARCH64_X26] = "x26", > ++ [UNW_AARCH64_X27] = "x27", > ++ [UNW_AARCH64_X28] = "x28", > ++ [UNW_AARCH64_X29] = "fp", > ++ [UNW_AARCH64_X30] = "lr", > ++ [UNW_AARCH64_SP] = "sp", > ++ [UNW_AARCH64_PC] = "pc", > ++ [UNW_AARCH64_V0] = "v0", > ++ [UNW_AARCH64_V1] = "v1", > ++ [UNW_AARCH64_V2] = "v2", > ++ [UNW_AARCH64_V3] = "v3", > ++ [UNW_AARCH64_V4] = "v4", > ++ [UNW_AARCH64_V5] = "v5", > ++ [UNW_AARCH64_V6] = "v6", > ++ [UNW_AARCH64_V7] = "v7", > ++ [UNW_AARCH64_V8] = "v8", > ++ [UNW_AARCH64_V9] = "v9", > ++ [UNW_AARCH64_V10] = "v10", > ++ [UNW_AARCH64_V11] = "v11", > ++ [UNW_AARCH64_V12] = "v12", > ++ [UNW_AARCH64_V13] = "v13", > ++ [UNW_AARCH64_V14] = "v14", > ++ [UNW_AARCH64_V15] = "v15", > ++ [UNW_AARCH64_V16] = "v16", > ++ [UNW_AARCH64_V17] = "v17", > ++ [UNW_AARCH64_V18] = "v18", > ++ [UNW_AARCH64_V19] = "v19", > ++ [UNW_AARCH64_V20] = "v20", > ++ [UNW_AARCH64_V21] = "v21", > ++ [UNW_AARCH64_V22] = "v22", > ++ [UNW_AARCH64_V23] = "v23", > ++ [UNW_AARCH64_V24] = "v24", > ++ [UNW_AARCH64_V25] = "v25", > ++ [UNW_AARCH64_V26] = "v26", > ++ [UNW_AARCH64_V27] = "v27", > ++ [UNW_AARCH64_V28] = "v28", > ++ [UNW_AARCH64_V29] = "v29", > ++ [UNW_AARCH64_V30] = "v30", > ++ [UNW_AARCH64_V31] = "v31", > ++ [UNW_AARCH64_FPSR] = "fpsr", > ++ [UNW_AARCH64_FPCR] = "fpcr", > ++ }; > ++ > ++PROTECTED const char * > ++unw_regname (unw_regnum_t reg) > ++{ > ++ if (reg < (unw_regnum_t) ARRAY_SIZE (regname) && regname[reg] != NULL) > ++ return regname[reg]; > ++ else > ++ return "???"; > ++} > +--- /dev/null > ++++ b/src/aarch64/siglongjmp.S > +@@ -0,0 +1,12 @@ > ++ /* Dummy implementation for now. */ > ++ > ++ .global _UI_siglongjmp_cont > ++ .global _UI_longjmp_cont > ++ > ++_UI_siglongjmp_cont: > ++_UI_longjmp_cont: > ++ ret > ++#ifdef __linux__ > ++ /* We do not need executable stack. */ > ++ .section .note.GNU-stack,"",%progbits > ++#endif > +--- /dev/null > ++++ b/src/aarch64/unwind_i.h > +@@ -0,0 +1,43 @@ > ++/* libunwind - a platform-independent unwind library > ++ Copyright (C) 2008 CodeSourcery > ++ Copyright (C) 2013 Linaro Limited > ++ > ++This file is part of libunwind. > ++ > ++Permission is hereby granted, free of charge, to any person obtaining > ++a copy of this software and associated documentation files (the > ++"Software"), to deal in the Software without restriction, including > ++without limitation the rights to use, copy, modify, merge, publish, > ++distribute, sublicense, and/or sell copies of the Software, and to > ++permit persons to whom the Software is furnished to do so, subject to > ++the following conditions: > ++ > ++The above copyright notice and this permission notice shall be > ++included in all copies or substantial portions of the Software. > ++ > ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE > ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION > ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION > ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ > ++ > ++#ifndef unwind_i_h > ++#define unwind_i_h > ++ > ++#include > ++ > ++#include > ++ > ++#include "libunwind_i.h" > ++ > ++#define aarch64_lock UNW_OBJ(lock) > ++#define aarch64_local_resume UNW_OBJ(local_resume) > ++#define aarch64_local_addr_space_init UNW_OBJ(local_addr_space_init) > ++ > ++extern void aarch64_local_addr_space_init (void); > ++extern int aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, > ++ void *arg); > ++ > ++#endif /* unwind_i_h */ > +--- a/src/coredump/_UCD_access_reg_linux.c > ++++ b/src/coredump/_UCD_access_reg_linux.c > +@@ -39,7 +39,10 @@ _UCD_access_reg (unw_addr_space_t as, > + return -UNW_EINVAL; > + } > + > +-#if defined(UNW_TARGET_ARM) > ++#if defined(UNW_TARGET_AARCH64) > ++ if (regnum < 0 || regnum >= UNW_AARCH64_FPCR) > ++ goto badreg; > ++#elif defined(UNW_TARGET_ARM) > + if (regnum < 0 || regnum >= 16) > + goto badreg; > + #elif defined(UNW_TARGET_SH) > +--- a/src/ptrace/_UPT_reg_offset.c > ++++ b/src/ptrace/_UPT_reg_offset.c > +@@ -1,6 +1,7 @@ > + /* libunwind - a platform-independent unwind library > + Copyright (C) 2003-2004 Hewlett-Packard Co > + Contributed by David Mosberger-Tang > ++ Copyright (C) 2013 Linaro Limited > + > + This file is part of libunwind. > + > +@@ -501,6 +502,41 @@ const int _UPT_reg_offset[UNW_REG_LAST + > + [UNW_ARM_R15] = 0x3c, > + #elif defined(UNW_TARGET_MIPS) > + #elif defined(UNW_TARGET_SH) > ++#elif defined(UNW_TARGET_AARCH64) > ++ [UNW_AARCH64_X0] = 0x00, > ++ [UNW_AARCH64_X1] = 0x08, > ++ [UNW_AARCH64_X2] = 0x10, > ++ [UNW_AARCH64_X3] = 0x18, > ++ [UNW_AARCH64_X4] = 0x20, > ++ [UNW_AARCH64_X5] = 0x28, > ++ [UNW_AARCH64_X6] = 0x30, > ++ [UNW_AARCH64_X7] = 0x38, > ++ [UNW_AARCH64_X8] = 0x40, > ++ [UNW_AARCH64_X9] = 0x48, > ++ [UNW_AARCH64_X10] = 0x50, > ++ [UNW_AARCH64_X11] = 0x58, > ++ [UNW_AARCH64_X12] = 0x60, > ++ [UNW_AARCH64_X13] = 0x68, > ++ [UNW_AARCH64_X14] = 0x70, > ++ [UNW_AARCH64_X15] = 0x78, > ++ [UNW_AARCH64_X16] = 0x80, > ++ [UNW_AARCH64_X17] = 0x88, > ++ [UNW_AARCH64_X18] = 0x90, > ++ [UNW_AARCH64_X19] = 0x98, > ++ [UNW_AARCH64_X20] = 0xa0, > ++ [UNW_AARCH64_X21] = 0xa8, > ++ [UNW_AARCH64_X22] = 0xb0, > ++ [UNW_AARCH64_X23] = 0xb8, > ++ [UNW_AARCH64_X24] = 0xc0, > ++ [UNW_AARCH64_X25] = 0xc8, > ++ [UNW_AARCH64_X26] = 0xd0, > ++ [UNW_AARCH64_X27] = 0xd8, > ++ [UNW_AARCH64_X28] = 0xe0, > ++ [UNW_AARCH64_X29] = 0xe8, > ++ [UNW_AARCH64_X30] = 0xf0, > ++ [UNW_AARCH64_SP] = 0xf8, > ++ [UNW_AARCH64_PC] = 0x100, > ++ [UNW_AARCH64_PSTATE] = 0x108 > + #else > + # error Fix me. > + #endif > diff --git a/meta/recipes-support/libunwind/libunwind.inc b/meta/recipes-support/libunwind/libunwind.inc > index b27b9e5..6743b21 100644 > --- a/meta/recipes-support/libunwind/libunwind.inc > +++ b/meta/recipes-support/libunwind/libunwind.inc > @@ -11,6 +11,7 @@ PACKAGECONFIG ??= "" > PACKAGECONFIG[lzma] = "--enable-minidebuginfo,--disable-minidebuginfo,lzma" > > EXTRA_OECONF_arm = "--enable-debug-frame" > +EXTRA_OECONF_aarch64 = "--enable-debug-frame" > > CFLAGS += "${ATOMICOPS}" > ATOMICOPS_armv5 = "-DAO_USE_PTHREAD_DEFS=1" > diff --git a/meta/recipes-support/libunwind/libunwind_1.1.bb b/meta/recipes-support/libunwind/libunwind_1.1.bb > index bc38e36..555ef6e 100644 > --- a/meta/recipes-support/libunwind/libunwind_1.1.bb > +++ b/meta/recipes-support/libunwind/libunwind_1.1.bb > @@ -1,4 +1,6 @@ > require libunwind.inc > > +SRC_URI += "file://AArch64-port.patch" > + > SRC_URI[md5sum] = "fb4ea2f6fbbe45bf032cd36e586883ce" > SRC_URI[sha256sum] = "9dfe0fcae2a866de9d3942c66995e4b460230446887dbdab302d41a8aee8d09a" un -- Regards, Neil | Kai Kang --------------010900080407060008050201 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: 8bit
On 2014年09月24日 04:12, Fathi Boudra wrote:
Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
---
 .../libunwind/libunwind-1.1/AArch64-port.patch     | 2529 ++++++++++++++++++++
 meta/recipes-support/libunwind/libunwind.inc       |    1 +
 meta/recipes-support/libunwind/libunwind_1.1.bb    |    2 +
 3 files changed, 2532 insertions(+)
 create mode 100644 meta/recipes-support/libunwind/libunwind-1.1/AArch64-port.patch

It doesn't work and fail to do link:

| ../src/.libs/libunwind-aarch64.so: undefined reference to `unreachable'
| collect2: error: ld returned 1 exit status
| make[1]: *** [test-coredump-unwind] Error 1

Is 'unreachable'  an debug function?

--Kai


diff --git a/meta/recipes-support/libunwind/libunwind-1.1/AArch64-port.patch b/meta/recipes-support/libunwind/libunwind-1.1/AArch64-port.patch
new file mode 100644
index 0000000..ed42e8a
--- /dev/null
+++ b/meta/recipes-support/libunwind/libunwind-1.1/AArch64-port.patch
@@ -0,0 +1,2529 @@
+From ac6c0a6535975f1dc2da6e4e2766614baac2a14a Mon Sep 17 00:00:00 2001
+From: Yvan Roux <yvan.roux@linaro.org>
+Date: Sat, 11 May 2013 09:18:23 -0600
+Subject: [PATCH] AArch64 port.
+
+Upstream-Status: Backport
+
+---
+ Makefile.am                          |    6 
+ README                               |    1 
+ configure.ac                         |    6 
+ include/libunwind-aarch64.h          |  187 ++++++++++++++++++++++
+ include/libunwind.h.in               |    4 
+ include/tdep-aarch64/dwarf-config.h  |   52 ++++++
+ include/tdep-aarch64/jmpbuf.h        |   33 +++
+ include/tdep-aarch64/libunwind_i.h   |  294 +++++++++++++++++++++++++++++++++++
+ include/tdep/dwarf-config.h          |    4 
+ include/tdep/jmpbuf.h                |    2 
+ include/tdep/libunwind_i.h.in        |    4 
+ src/Makefile.am                      |   39 ++++
+ src/aarch64/Gcreate_addr_space.c     |   60 +++++++
+ src/aarch64/Gget_proc_info.c         |   39 ++++
+ src/aarch64/Gget_save_loc.c          |  100 +++++++++++
+ src/aarch64/Gglobal.c                |   57 ++++++
+ src/aarch64/Ginit.c                  |  187 ++++++++++++++++++++++
+ src/aarch64/Ginit_local.c            |   55 ++++++
+ src/aarch64/Ginit_remote.c           |   45 +++++
+ src/aarch64/Gis_signal_frame.c       |   64 +++++++
+ src/aarch64/Gregs.c                  |  113 +++++++++++++
+ src/aarch64/Gresume.c                |  177 +++++++++++++++++++++
+ src/aarch64/Gstep.c                  |  129 +++++++++++++++
+ src/aarch64/Lcreate_addr_space.c     |    5 
+ src/aarch64/Lget_proc_info.c         |    5 
+ src/aarch64/Lget_save_loc.c          |    5 
+ src/aarch64/Lglobal.c                |    5 
+ src/aarch64/Linit.c                  |    5 
+ src/aarch64/Linit_local.c            |    5 
+ src/aarch64/Linit_remote.c           |    5 
+ src/aarch64/Lis_signal_frame.c       |    5 
+ src/aarch64/Lregs.c                  |    5 
+ src/aarch64/Lresume.c                |    5 
+ src/aarch64/Lstep.c                  |    5 
+ src/aarch64/gen-offsets.c            |   68 ++++++++
+ src/aarch64/init.h                   |  127 +++++++++++++++
+ src/aarch64/is_fpreg.c               |   32 +++
+ src/aarch64/offsets.h                |   49 +++++
+ src/aarch64/regname.c                |  106 ++++++++++++
+ src/aarch64/siglongjmp.S             |   12 +
+ src/aarch64/unwind_i.h               |   43 +++++
+ src/coredump/_UCD_access_reg_linux.c |    5 
+ src/ptrace/_UPT_reg_offset.c         |   36 ++++
+ 43 files changed, 2184 insertions(+), 7 deletions(-)
+ create mode 100644 include/libunwind-aarch64.h
+ create mode 100644 include/tdep-aarch64/dwarf-config.h
+ create mode 100644 include/tdep-aarch64/jmpbuf.h
+ create mode 100644 include/tdep-aarch64/libunwind_i.h
+ create mode 100644 src/aarch64/Gcreate_addr_space.c
+ create mode 100644 src/aarch64/Gget_proc_info.c
+ create mode 100644 src/aarch64/Gget_save_loc.c
+ create mode 100644 src/aarch64/Gglobal.c
+ create mode 100644 src/aarch64/Ginit.c
+ create mode 100644 src/aarch64/Ginit_local.c
+ create mode 100644 src/aarch64/Ginit_remote.c
+ create mode 100644 src/aarch64/Gis_signal_frame.c
+ create mode 100644 src/aarch64/Gregs.c
+ create mode 100644 src/aarch64/Gresume.c
+ create mode 100644 src/aarch64/Gstep.c
+ create mode 100644 src/aarch64/Lcreate_addr_space.c
+ create mode 100644 src/aarch64/Lget_proc_info.c
+ create mode 100644 src/aarch64/Lget_save_loc.c
+ create mode 100644 src/aarch64/Lglobal.c
+ create mode 100644 src/aarch64/Linit.c
+ create mode 100644 src/aarch64/Linit_local.c
+ create mode 100644 src/aarch64/Linit_remote.c
+ create mode 100644 src/aarch64/Lis_signal_frame.c
+ create mode 100644 src/aarch64/Lregs.c
+ create mode 100644 src/aarch64/Lresume.c
+ create mode 100644 src/aarch64/Lstep.c
+ create mode 100644 src/aarch64/gen-offsets.c
+ create mode 100644 src/aarch64/init.h
+ create mode 100644 src/aarch64/is_fpreg.c
+ create mode 100644 src/aarch64/offsets.h
+ create mode 100644 src/aarch64/regname.c
+ create mode 100644 src/aarch64/siglongjmp.S
+ create mode 100644 src/aarch64/unwind_i.h
+
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -2,6 +2,9 @@ include_HEADERS = include/libunwind-dyna
+     include/libunwind-ptrace.h \
+     include/libunwind-coredump.h
+ 
++if ARCH_AARCH64
++include_HEADERS += include/libunwind-aarch64.h
++endif
+ if ARCH_ARM
+ include_HEADERS += include/libunwind-arm.h
+ endif
+@@ -41,6 +44,9 @@ SUBDIRS = src tests doc
+ noinst_HEADERS = include/dwarf.h include/dwarf_i.h include/dwarf-eh.h	\
+ 	include/compiler.h include/libunwind_i.h include/mempool.h	\
+ 	include/remote.h						\
++	include/tdep-aarch64/dwarf-config.h				\
++	include/tdep-aarch64/jmpbuf.h					\
++	include/tdep-aarch64/libunwind_i.h				\
+ 	include/tdep-arm/dwarf-config.h	include/tdep-arm/ex_tables.h	\
+ 	include/tdep-arm/jmpbuf.h include/tdep-arm/libunwind_i.h	\
+ 	include/tdep-ia64/jmpbuf.h include/tdep-ia64/rse.h 		\
+--- a/README
++++ b/README
+@@ -9,6 +9,7 @@ several architecture/operating-system co
+  Linux/IA-64:	Fully tested and supported.
+  Linux/PARISC:	Works well, but C library missing unwind-info.
+  HP-UX/IA-64:	Mostly works but known to have some serious limitations.
++ Linux/AArch64:	Newly added.
+  Linux/PPC64:	Newly added.
+  Linux/SuperH:	Newly added.
+  FreeBSD/i386:	Newly added.
+--- a/configure.ac
++++ b/configure.ac
+@@ -114,7 +114,7 @@ SET_ARCH([$target_cpu],[target_arch])
+ 
+ AC_ARG_ENABLE(coredump,
+ 	AS_HELP_STRING([--enable-coredump],[building libunwind-coredump library]),,
+-        [AS_CASE([$host_arch], [arm*|mips*|sh*|x86*], [enable_coredump=yes], [enable_coredump=no])]
++        [AS_CASE([$host_arch], [aarch64*|arm*|mips*|sh*|x86*], [enable_coredump=yes], [enable_coredump=no])]
+ )
+ 
+ AC_MSG_CHECKING([if we should build libunwind-coredump])
+@@ -131,6 +131,7 @@ AC_MSG_RESULT([$target_os])
+ 
+ AM_CONDITIONAL(BUILD_COREDUMP, test x$enable_coredump = xyes)
+ AM_CONDITIONAL(REMOTE_ONLY, test x$target_arch != x$host_arch)
++AM_CONDITIONAL(ARCH_AARCH64, test x$target_arch = xaarch64)
+ AM_CONDITIONAL(ARCH_ARM, test x$target_arch = xarm)
+ AM_CONDITIONAL(ARCH_IA64, test x$target_arch = xia64)
+ AM_CONDITIONAL(ARCH_HPPA, test x$target_arch = xhppa)
+@@ -147,7 +148,7 @@ AM_CONDITIONAL(OS_FREEBSD, expr x$target
+ AC_MSG_CHECKING([for ELF helper width])
+ case "${target_arch}" in
+ (arm|hppa|ppc32|x86|sh) use_elf32=yes; AC_MSG_RESULT([32]);;
+-(ia64|ppc64|x86_64)    use_elf64=yes; AC_MSG_RESULT([64]);;
++(aarch64|ia64|ppc64|x86_64)    use_elf64=yes; AC_MSG_RESULT([64]);;
+ (mips)                 use_elfxx=yes; AC_MSG_RESULT([xx]);;
+ *)                     AC_MSG_ERROR([Unknown ELF target: ${target_arch}])
+ esac
+@@ -190,6 +191,7 @@ AS_HELP_STRING([--enable-cxx-exceptions]
+ # C++ exception handling doesn't work too well on x86
+ case $target_arch in
+   x86*) enable_cxx_exceptions=no;;
++  aarch64*) enable_cxx_exceptions=no;;
+   arm*) enable_cxx_exceptions=no;;
+   mips*) enable_cxx_exceptions=no;;
+   *) enable_cxx_exceptions=yes;;
+--- /dev/null
++++ b/include/libunwind-aarch64.h
+@@ -0,0 +1,187 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2001-2004 Hewlett-Packard Co
++	Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
++   Copyright (C) 2013 Linaro Limited
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#ifndef LIBUNWIND_H
++#define LIBUNWIND_H
++
++#if defined(__cplusplus) || defined(c_plusplus)
++extern "C" {
++#endif
++
++#include <inttypes.h>
++#include <stddef.h>
++#include <ucontext.h>
++
++#define UNW_TARGET	aarch64
++#define UNW_TARGET_AARCH64	1
++
++#define _U_TDEP_QP_TRUE	0	/* see libunwind-dynamic.h  */
++
++/* This needs to be big enough to accommodate "struct cursor", while
++   leaving some slack for future expansion.  Changing this value will
++   require recompiling all users of this library.  Stack allocation is
++   relatively cheap and unwind-state copying is relatively rare, so we
++   want to err on making it rather too big than too small.  */
++
++#define UNW_TDEP_CURSOR_LEN	4096
++
++typedef uint64_t unw_word_t;
++typedef int64_t unw_sword_t;
++
++typedef long double unw_tdep_fpreg_t;
++
++typedef struct
++  {
++    /* no aarch64-specific auxiliary proc-info */
++  }
++unw_tdep_proc_info_t;
++
++typedef enum
++  {
++    /* 64-bit general registers.  */
++    UNW_AARCH64_X0,
++    UNW_AARCH64_X1,
++    UNW_AARCH64_X2,
++    UNW_AARCH64_X3,
++    UNW_AARCH64_X4,
++    UNW_AARCH64_X5,
++    UNW_AARCH64_X6,
++    UNW_AARCH64_X7,
++    UNW_AARCH64_X8,
++
++    /* Temporary registers.  */
++    UNW_AARCH64_X9,
++    UNW_AARCH64_X10,
++    UNW_AARCH64_X11,
++    UNW_AARCH64_X12,
++    UNW_AARCH64_X13,
++    UNW_AARCH64_X14,
++    UNW_AARCH64_X15,
++
++    /* Intra-procedure-call temporary registers.  */
++    UNW_AARCH64_X16,
++    UNW_AARCH64_X17,
++
++    /* Callee-saved registers.  */
++    UNW_AARCH64_X18,
++    UNW_AARCH64_X19,
++    UNW_AARCH64_X20,
++    UNW_AARCH64_X21,
++    UNW_AARCH64_X22,
++    UNW_AARCH64_X23,
++    UNW_AARCH64_X24,
++    UNW_AARCH64_X25,
++    UNW_AARCH64_X26,
++    UNW_AARCH64_X27,
++    UNW_AARCH64_X28,
++
++    /* 64-bit frame pointer.  */
++    UNW_AARCH64_X29,
++
++    /* 64-bit link register.  */
++    UNW_AARCH64_X30,
++
++    /* 64-bit stack pointer.  */
++    UNW_AARCH64_SP =  31,
++    UNW_AARCH64_PC,
++    UNW_AARCH64_PSTATE,
++
++    /* 128-bit FP/Advanced SIMD registers.  */
++    UNW_AARCH64_V0 = 64,
++    UNW_AARCH64_V1,
++    UNW_AARCH64_V2,
++    UNW_AARCH64_V3,
++    UNW_AARCH64_V4,
++    UNW_AARCH64_V5,
++    UNW_AARCH64_V6,
++    UNW_AARCH64_V7,
++    UNW_AARCH64_V8,
++    UNW_AARCH64_V9,
++    UNW_AARCH64_V10,
++    UNW_AARCH64_V11,
++    UNW_AARCH64_V12,
++    UNW_AARCH64_V13,
++    UNW_AARCH64_V14,
++    UNW_AARCH64_V15,
++    UNW_AARCH64_V16,
++    UNW_AARCH64_V17,
++    UNW_AARCH64_V18,
++    UNW_AARCH64_V19,
++    UNW_AARCH64_V20,
++    UNW_AARCH64_V21,
++    UNW_AARCH64_V22,
++    UNW_AARCH64_V23,
++    UNW_AARCH64_V24,
++    UNW_AARCH64_V25,
++    UNW_AARCH64_V26,
++    UNW_AARCH64_V27,
++    UNW_AARCH64_V28,
++    UNW_AARCH64_V29,
++    UNW_AARCH64_V30,
++    UNW_AARCH64_V31,
++
++    UNW_AARCH64_FPSR,
++    UNW_AARCH64_FPCR,
++
++    /* For AArch64, the CFA is the value of SP (x31) at the call site of the
++       previous frame.  */
++    UNW_AARCH64_CFA = UNW_AARCH64_SP,
++
++    UNW_TDEP_LAST_REG = UNW_AARCH64_FPCR,
++
++    UNW_TDEP_IP = UNW_AARCH64_X30,
++    UNW_TDEP_SP = UNW_AARCH64_SP,
++    UNW_TDEP_EH = UNW_AARCH64_X0,
++
++  }
++aarch64_regnum_t;
++
++/* Use R0 through R3 to pass exception handling information.  */
++#define UNW_TDEP_NUM_EH_REGS	4
++
++typedef struct unw_tdep_save_loc
++  {
++    /* Additional target-dependent info on a save location.  */
++  }
++unw_tdep_save_loc_t;
++
++
++/* On AArch64, we can directly use ucontext_t as the unwind context.  */
++typedef ucontext_t unw_tdep_context_t;
++
++#include "libunwind-common.h"
++#include "libunwind-dynamic.h"
++
++#define unw_tdep_getcontext(uc)         (getcontext (uc), 0)
++#define unw_tdep_is_fpreg		UNW_ARCH_OBJ(is_fpreg)
++
++extern int unw_tdep_is_fpreg (int);
++
++#if defined(__cplusplus) || defined(c_plusplus)
++}
++#endif
++
++#endif /* LIBUNWIND_H */
+--- a/include/libunwind.h.in
++++ b/include/libunwind.h.in
+@@ -3,7 +3,9 @@
+ 
+ #ifndef UNW_REMOTE_ONLY
+ 
+-#if defined __arm__
++#if defined __aarch64__
++#include "libunwind-aarch64.h"
++#elif defined __arm__
+ # include "libunwind-arm.h"
+ #elif defined __hppa__
+ # include "libunwind-hppa.h"
+--- /dev/null
++++ b/include/tdep-aarch64/dwarf-config.h
+@@ -0,0 +1,52 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2008 CodeSourcery
++   Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
++   Copyright (C) 2013 Linaro Limited
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#ifndef dwarf_config_h
++#define dwarf_config_h
++
++/* This matches the value udes by GCC (see
++   gcc/config/aarch64/aarch64.h:DWARF_FRAME_REGISTERS.  */
++#define DWARF_NUM_PRESERVED_REGS	97
++
++/* Return TRUE if the ADDR_SPACE uses big-endian byte-order.  */
++#define dwarf_is_big_endian(addr_space)	0
++
++#define dwarf_to_unw_regnum(reg) (((reg) <= UNW_AARCH64_V31) ? (reg) : 0)
++
++/* Convert a pointer to a dwarf_cursor structure to a pointer to
++   unw_cursor_t.  */
++#define dwarf_to_cursor(c)	((unw_cursor_t *) (c))
++
++typedef struct dwarf_loc
++  {
++    unw_word_t val;
++#ifndef UNW_LOCAL_ONLY
++    unw_word_t type;		/* see DWARF_LOC_TYPE_* macros.  */
++#endif
++  }
++dwarf_loc_t;
++
++#endif /* dwarf_config_h */
+--- /dev/null
++++ b/include/tdep-aarch64/jmpbuf.h
+@@ -0,0 +1,33 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2008 CodeSourcery
++   Copyright (C) 2013 Linaro Limited
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++/* Use glibc's jump-buffer indices; NPTL peeks at SP: */
++
++/* FIXME for AArch64  */
++
++#define JB_SP		13
++#define JB_RP		14
++#define JB_MASK_SAVED	15
++#define JB_MASK		16
+--- /dev/null
++++ b/include/tdep-aarch64/libunwind_i.h
+@@ -0,0 +1,294 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2001-2005 Hewlett-Packard Co
++	Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
++   Copyright (C) 2013 Linaro Limited
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#ifndef AARCH64_LIBUNWIND_I_H
++#define AARCH64_LIBUNWIND_I_H
++
++/* Target-dependent definitions that are internal to libunwind but need
++   to be shared with target-independent code.  */
++
++#include <stdlib.h>
++#include <libunwind.h>
++
++#include "elf64.h"
++#include "mempool.h"
++#include "dwarf.h"
++
++typedef struct
++  {
++    /* no aarch64-specific fast trace */
++  }
++unw_tdep_frame_t;
++
++#ifdef UNW_LOCAL_ONLY
++
++typedef unw_word_t aarch64_loc_t;
++
++#else /* !UNW_LOCAL_ONLY */
++
++typedef struct aarch64_loc
++  {
++    unw_word_t w0, w1;
++  }
++aarch64_loc_t;
++
++#endif /* !UNW_LOCAL_ONLY */
++
++struct unw_addr_space
++  {
++    struct unw_accessors acc;
++    int big_endian;
++    unw_caching_policy_t caching_policy;
++#ifdef HAVE_ATOMIC_OPS_H
++    AO_t cache_generation;
++#else
++    uint32_t cache_generation;
++#endif
++    unw_word_t dyn_generation;          /* see dyn-common.h */
++    unw_word_t dyn_info_list_addr;	/* (cached) dyn_info_list_addr */
++    struct dwarf_rs_cache global_cache;
++    struct unw_debug_frame_list *debug_frames;
++   };
++
++struct cursor
++  {
++    struct dwarf_cursor dwarf;          /* must be first */
++    enum
++      {
++        AARCH64_SCF_NONE,
++        AARCH64_SCF_LINUX_RT_SIGFRAME,
++      }
++    sigcontext_format;
++    unw_word_t sigcontext_addr;
++    unw_word_t sigcontext_sp;
++    unw_word_t sigcontext_pc;
++  };
++
++#define DWARF_GET_LOC(l)        ((l).val)
++
++#ifdef UNW_LOCAL_ONLY
++# define DWARF_NULL_LOC         DWARF_LOC (0, 0)
++# define DWARF_IS_NULL_LOC(l)   (DWARF_GET_LOC (l) == 0)
++# define DWARF_LOC(r, t)        ((dwarf_loc_t) { .val = (r) })
++# define DWARF_IS_REG_LOC(l)    0
++# define DWARF_REG_LOC(c,r)     (DWARF_LOC((unw_word_t)                      \
++                                 tdep_uc_addr((c)->as_arg, (r)), 0))
++# define DWARF_MEM_LOC(c,m)     DWARF_LOC ((m), 0)
++# define DWARF_FPREG_LOC(c,r)   (DWARF_LOC((unw_word_t)                      \
++                                 tdep_uc_addr((c)->as_arg, (r)), 0))
++
++static inline int
++dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val)
++{
++  if (!DWARF_GET_LOC (loc))
++    return -1;
++  *val = *(unw_fpreg_t *) DWARF_GET_LOC (loc);
++  return 0;
++}
++
++static inline int
++dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val)
++{
++  if (!DWARF_GET_LOC (loc))
++    return -1;
++  *(unw_fpreg_t *) DWARF_GET_LOC (loc) = val;
++  return 0;
++}
++
++static inline int
++dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val)
++{
++  if (!DWARF_GET_LOC (loc))
++    return -1;
++  *val = *(unw_word_t *) DWARF_GET_LOC (loc);
++  return 0;
++}
++
++static inline int
++dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val)
++{
++  if (!DWARF_GET_LOC (loc))
++    return -1;
++  *(unw_word_t *) DWARF_GET_LOC (loc) = val;
++  return 0;
++}
++
++#else /* !UNW_LOCAL_ONLY */
++# define DWARF_LOC_TYPE_FP      (1 << 0)
++# define DWARF_LOC_TYPE_REG     (1 << 1)
++# define DWARF_NULL_LOC         DWARF_LOC (0, 0)
++# define DWARF_IS_NULL_LOC(l)                                           \
++                ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; })
++# define DWARF_LOC(r, t)        ((dwarf_loc_t) { .val = (r), .type = (t) })
++# define DWARF_IS_REG_LOC(l)    (((l).type & DWARF_LOC_TYPE_REG) != 0)
++# define DWARF_IS_FP_LOC(l)     (((l).type & DWARF_LOC_TYPE_FP) != 0)
++# define DWARF_REG_LOC(c,r)     DWARF_LOC((r), DWARF_LOC_TYPE_REG)
++# define DWARF_MEM_LOC(c,m)     DWARF_LOC ((m), 0)
++# define DWARF_FPREG_LOC(c,r)   DWARF_LOC((r), (DWARF_LOC_TYPE_REG      \
++                                                | DWARF_LOC_TYPE_FP))
++
++static inline int
++dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val)
++{
++  char *valp = (char *) &val;
++  unw_word_t addr;
++  int ret;
++
++  if (DWARF_IS_NULL_LOC (loc))
++    return -UNW_EBADREG;
++
++  if (DWARF_IS_REG_LOC (loc))
++    return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc),
++                                       val, 0, c->as_arg);
++
++  addr = DWARF_GET_LOC (loc);
++  if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp,
++                                       0, c->as_arg)) < 0)
++    return ret;
++
++  return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 0,
++                                   c->as_arg);
++}
++
++static inline int
++dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val)
++{
++  char *valp = (char *) &val;
++  unw_word_t addr;
++  int ret;
++
++  if (DWARF_IS_NULL_LOC (loc))
++    return -UNW_EBADREG;
++
++  if (DWARF_IS_REG_LOC (loc))
++    return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc),
++                                       &val, 1, c->as_arg);
++
++  addr = DWARF_GET_LOC (loc);
++  if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp,
++                                       1, c->as_arg)) < 0)
++    return ret;
++
++  return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1,
++                                   1, c->as_arg);
++}
++
++static inline int
++dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val)
++{
++  if (DWARF_IS_NULL_LOC (loc))
++    return -UNW_EBADREG;
++
++  /* If a code-generator were to save a value of type unw_word_t in a
++     floating-point register, we would have to support this case.  I
++     suppose it could happen with MMX registers, but does it really
++     happen?  */
++  assert (!DWARF_IS_FP_LOC (loc));
++
++  if (DWARF_IS_REG_LOC (loc))
++    return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val,
++                                     0, c->as_arg);
++  else
++    return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val,
++                                     0, c->as_arg);
++}
++
++static inline int
++dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val)
++{
++  if (DWARF_IS_NULL_LOC (loc))
++    return -UNW_EBADREG;
++
++  /* If a code-generator were to save a value of type unw_word_t in a
++     floating-point register, we would have to support this case.  I
++     suppose it could happen with MMX registers, but does it really
++     happen?  */
++  assert (!DWARF_IS_FP_LOC (loc));
++
++  if (DWARF_IS_REG_LOC (loc))
++    return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val,
++                                     1, c->as_arg);
++  else
++    return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val,
++                                     1, c->as_arg);
++}
++
++#endif /* !UNW_LOCAL_ONLY */
++
++
++
++#define tdep_getcontext_trace           unw_getcontext
++#define tdep_init_done			UNW_OBJ(init_done)
++#define tdep_init			UNW_OBJ(init)
++/* Platforms that support UNW_INFO_FORMAT_TABLE need to define
++   tdep_search_unwind_table.  */
++#define tdep_search_unwind_table	dwarf_search_unwind_table
++#define tdep_find_unwind_table	        dwarf_find_unwind_table
++#define tdep_uc_addr			UNW_OBJ(uc_addr)
++#define tdep_get_elf_image		UNW_ARCH_OBJ(get_elf_image)
++#define tdep_access_reg			UNW_OBJ(access_reg)
++#define tdep_access_fpreg		UNW_OBJ(access_fpreg)
++#define tdep_fetch_frame(c,ip,n)	do {} while(0)
++#define tdep_cache_frame(c,rs)		do {} while(0)
++#define tdep_reuse_frame(c,rs)		do {} while(0)
++#define tdep_stash_frame(c,rs)		do {} while(0)
++#define tdep_trace(cur,addr,n)		(-UNW_ENOINFO)
++
++#ifdef UNW_LOCAL_ONLY
++# define tdep_find_proc_info(c,ip,n)                            \
++        dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n),      \
++                                       (c)->as_arg)
++# define tdep_put_unwind_info(as,pi,arg)                \
++        dwarf_put_unwind_info((as), (pi), (arg))
++#else
++# define tdep_find_proc_info(c,ip,n)                                    \
++        (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n),    \
++                                       (c)->as_arg)
++# define tdep_put_unwind_info(as,pi,arg)                \
++        (*(as)->acc.put_unwind_info)((as), (pi), (arg))
++#endif
++
++#define tdep_get_as(c)                  ((c)->dwarf.as)
++#define tdep_get_as_arg(c)              ((c)->dwarf.as_arg)
++#define tdep_get_ip(c)                  ((c)->dwarf.ip)
++#define tdep_big_endian(as)             ((as)->big_endian)
++
++extern int tdep_init_done;
++
++extern void tdep_init (void);
++extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip,
++				     unw_dyn_info_t *di, unw_proc_info_t *pi,
++				     int need_unwind_info, void *arg);
++extern void *tdep_uc_addr (unw_tdep_context_t *uc, int reg);
++extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip,
++			       unsigned long *segbase, unsigned long *mapoff,
++			       char *path, size_t pathlen);
++extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg,
++			    unw_word_t *valp, int write);
++extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg,
++			      unw_fpreg_t *valp, int write);
++
++#endif /* AARCH64_LIBUNWIND_I_H */
+--- a/include/tdep/dwarf-config.h
++++ b/include/tdep/dwarf-config.h
+@@ -1,7 +1,9 @@
+ /* Provide a real file - not a symlink - as it would cause multiarch conflicts
+    when multiple different arch releases are installed simultaneously.  */
+ 
+-#if defined __arm__
++#if defined __aarch64__
++# include "tdep-aarch64/dwarf-config.h"
++#elif defined __arm__
+ # include "tdep-arm/dwarf-config.h"
+ #elif defined __hppa__
+ # include "tdep-hppa/dwarf-config.h"
+--- a/include/tdep/jmpbuf.h
++++ b/include/tdep/jmpbuf.h
+@@ -3,6 +3,8 @@
+ 
+ #ifndef UNW_REMOTE_ONLY
+ 
++#if defined __aarch64__
++# include "tdep-aarch64/jmpbuf.h"
+ #if defined __arm__
+ # include "tdep-arm/jmpbuf.h"
+ #elif defined __hppa__
+--- a/include/tdep/libunwind_i.h.in
++++ b/include/tdep/libunwind_i.h.in
+@@ -3,7 +3,9 @@
+ 
+ #ifndef UNW_REMOTE_ONLY
+ 
+-#if defined __arm__
++#if defined __aarch64__
++# include "tdep-aarch64/libunwind_i.h"
++#elif defined __arm__
+ # include "tdep-arm/libunwind_i.h"
+ #elif defined __hppa__
+ # include "tdep-hppa/libunwind_i.h"
+--- a/src/Makefile.am
++++ b/src/Makefile.am
+@@ -170,6 +170,28 @@ libunwind_elfxx_la_SOURCES = elfxx.c
+ noinst_LTLIBRARIES += $(LIBUNWIND_ELF)
+ libunwind_la_LIBADD += $(LIBUNWIND_ELF)
+ 
++# The list of files that go into libunwind and libunwind-aarch64:
++noinst_HEADERS += aarch64/init.h aarch64/offsets.h aarch64/unwind_i.h
++libunwind_la_SOURCES_aarch64_common = $(libunwind_la_SOURCES_common)	    \
++	aarch64/is_fpreg.c aarch64/regname.c
++
++# The list of files that go into libunwind:
++libunwind_la_SOURCES_aarch64 = $(libunwind_la_SOURCES_aarch64_common)	    \
++	$(libunwind_la_SOURCES_local)					    \
++	aarch64/Lcreate_addr_space.c aarch64/Lget_proc_info.c 		    \
++	aarch64/Lget_save_loc.c aarch64/Lglobal.c aarch64/Linit.c	    \
++	aarch64/Linit_local.c aarch64/Linit_remote.c 			    \
++	aarch64/Lis_signal_frame.c aarch64/Lregs.c aarch64/Lresume.c 	    \
++	aarch64/Lstep.c
++
++libunwind_aarch64_la_SOURCES_aarch64 = $(libunwind_la_SOURCES_aarch64_common) \
++	$(libunwind_la_SOURCES_generic)					      \
++	aarch64/Gcreate_addr_space.c aarch64/Gget_proc_info.c 		      \
++	aarch64/Gget_save_loc.c aarch64/Gglobal.c aarch64/Ginit.c 	      \
++	aarch64/Ginit_local.c aarch64/Ginit_remote.c			      \
++	aarch64/Gis_signal_frame.c aarch64/Gregs.c aarch64/Gresume.c	      \
++	aarch64/Gstep.c
++
+ # The list of files that go into libunwind and libunwind-arm:
+ noinst_HEADERS += arm/init.h arm/offsets.h arm/unwind_i.h
+ libunwind_la_SOURCES_arm_common = $(libunwind_la_SOURCES_common)	    \
+@@ -422,6 +444,18 @@ if OS_FREEBSD
+  libunwind_coredump_la_SOURCES += coredump/_UCD_access_reg_freebsd.c
+ endif
+ 
++if ARCH_AARCH64
++ lib_LTLIBRARIES += libunwind-aarch64.la
++ libunwind_la_SOURCES = $(libunwind_la_SOURCES_aarch64)
++ libunwind_aarch64_la_SOURCES = $(libunwind_aarch64_la_SOURCES_aarch64)
++ libunwind_aarch64_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION)
++ libunwind_aarch64_la_LIBADD = libunwind-dwarf-generic.la
++ libunwind_aarch64_la_LIBADD += libunwind-elf64.la
++if !REMOTE_ONLY
++ libunwind_aarch64_la_LIBADD += libunwind.la -lc
++endif
++ libunwind_setjmp_la_SOURCES += aarch64/siglongjmp.S
++else
+ if ARCH_ARM
+  lib_LTLIBRARIES += libunwind-arm.la
+  libunwind_la_SOURCES = $(libunwind_la_SOURCES_arm)
+@@ -550,6 +584,7 @@ endif # ARCH_MIPS
+ endif # ARCH_HPPA
+ endif # ARCH_IA64
+ endif # ARCH_ARM
++endif # ARCH_AARCH64
+ 
+ # libunwind-setjmp depends on libunwind-$(arch). Therefore must be added
+ # at the end.
+@@ -572,7 +607,8 @@ AM_CPPFLAGS = -I$(top_srcdir)/include -I
+ AM_CCASFLAGS = $(AM_CPPFLAGS)
+ noinst_HEADERS += unwind/unwind-internal.h
+ 
+-EXTRA_DIST =	$(libunwind_la_SOURCES_arm)			\
++EXTRA_DIST =	$(libunwind_la_SOURCES_aarch64)			\
++		$(libunwind_la_SOURCES_arm)			\
+ 		$(libunwind_la_SOURCES_hppa)			\
+ 		$(libunwind_la_SOURCES_ia64)			\
+ 		$(libunwind_la_SOURCES_mips)			\
+@@ -584,6 +620,7 @@ EXTRA_DIST =	$(libunwind_la_SOURCES_arm)
+ 		$(libunwind_la_SOURCES_common)			\
+ 		$(libunwind_la_SOURCES_local)			\
+ 		$(libunwind_la_SOURCES_generic)			\
++		$(libunwind_aarch64_la_SOURCES_aarch64)		\
+ 		$(libunwind_arm_la_SOURCES_arm)			\
+ 		$(libunwind_hppa_la_SOURCES_hppa)		\
+ 		$(libunwind_ia64_la_SOURCES_ia64)		\
+--- /dev/null
++++ b/src/aarch64/Gcreate_addr_space.c
+@@ -0,0 +1,60 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
++   Copyright (C) 2013 Linaro Limited
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#include <string.h>
++#include <stdlib.h>
++
++#include "unwind_i.h"
++
++PROTECTED unw_addr_space_t
++unw_create_addr_space (unw_accessors_t *a, int byte_order)
++{
++#ifdef UNW_LOCAL_ONLY
++  return NULL;
++#else
++  unw_addr_space_t as;
++
++  /* AArch64 supports little-endian and big-endian. */
++  if (byte_order != 0 && byte_order != __LITTLE_ENDIAN
++      && byte_order != __BIG_ENDIAN)
++    return NULL;
++
++  as = malloc (sizeof (*as));
++  if (!as)
++    return NULL;
++
++  memset (as, 0, sizeof (*as));
++
++  as->acc = *a;
++
++  /* Default to little-endian for AArch64. */
++  if (byte_order == 0 || byte_order == __LITTLE_ENDIAN)
++    as->big_endian = 0;
++  else
++    as->big_endian = 1;
++
++  return as;
++#endif
++}
+--- /dev/null
++++ b/src/aarch64/Gget_proc_info.c
+@@ -0,0 +1,39 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2008 CodeSourcery
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#include "unwind_i.h"
++
++PROTECTED int
++unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi)
++{
++  struct cursor *c = (struct cursor *) cursor;
++  int ret;
++
++  ret = dwarf_make_proc_info (&c->dwarf);
++  if (ret < 0)
++    return ret;
++
++  *pi = c->dwarf.pi;
++  return 0;
++}
+--- /dev/null
++++ b/src/aarch64/Gget_save_loc.c
+@@ -0,0 +1,100 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2008 CodeSourcery
++   Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
++   Copyright (C) 2013 Linaro Limited
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#include "unwind_i.h"
++
++PROTECTED int
++unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc)
++{
++  struct cursor *c = (struct cursor *) cursor;
++  dwarf_loc_t loc;
++
++  switch (reg)
++    {
++    case UNW_AARCH64_X0:
++    case UNW_AARCH64_X1:
++    case UNW_AARCH64_X2:
++    case UNW_AARCH64_X3:
++    case UNW_AARCH64_X4:
++    case UNW_AARCH64_X5:
++    case UNW_AARCH64_X6:
++    case UNW_AARCH64_X7:
++    case UNW_AARCH64_X8:
++    case UNW_AARCH64_X9:
++    case UNW_AARCH64_X10:
++    case UNW_AARCH64_X11:
++    case UNW_AARCH64_X12:
++    case UNW_AARCH64_X13:
++    case UNW_AARCH64_X14:
++    case UNW_AARCH64_X15:
++    case UNW_AARCH64_X16:
++    case UNW_AARCH64_X17:
++    case UNW_AARCH64_X18:
++    case UNW_AARCH64_X19:
++    case UNW_AARCH64_X20:
++    case UNW_AARCH64_X21:
++    case UNW_AARCH64_X22:
++    case UNW_AARCH64_X23:
++    case UNW_AARCH64_X24:
++    case UNW_AARCH64_X25:
++    case UNW_AARCH64_X26:
++    case UNW_AARCH64_X27:
++    case UNW_AARCH64_X28:
++    case UNW_AARCH64_X29:
++    case UNW_AARCH64_X30:
++    case UNW_AARCH64_SP:
++    case UNW_AARCH64_PC:
++    case UNW_AARCH64_PSTATE:
++      loc = c->dwarf.loc[reg];
++      break;
++
++    default:
++      loc = DWARF_NULL_LOC;	/* default to "not saved" */
++      break;
++    }
++
++  memset (sloc, 0, sizeof (*sloc));
++
++  if (DWARF_IS_NULL_LOC (loc))
++    {
++      sloc->type = UNW_SLT_NONE;
++      return 0;
++    }
++
++#if !defined(UNW_LOCAL_ONLY)
++  if (DWARF_IS_REG_LOC (loc))
++    {
++      sloc->type = UNW_SLT_REG;
++      sloc->u.regnum = DWARF_GET_LOC (loc);
++    }
++  else
++#endif
++    {
++      sloc->type = UNW_SLT_MEMORY;
++      sloc->u.addr = DWARF_GET_LOC (loc);
++    }
++  return 0;
++}
+--- /dev/null
++++ b/src/aarch64/Gglobal.c
+@@ -0,0 +1,57 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2008 CodeSourcery
++   Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
++   Copyright (C) 2013 Linaro Limited
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#include "unwind_i.h"
++#include "dwarf_i.h"
++
++HIDDEN define_lock (aarch64_lock);
++HIDDEN int tdep_init_done;
++
++HIDDEN void
++tdep_init (void)
++{
++  intrmask_t saved_mask;
++
++  sigfillset (&unwi_full_mask);
++
++  lock_acquire (&aarch64_lock, saved_mask);
++  {
++    if (tdep_init_done)
++      /* another thread else beat us to it... */
++      goto out;
++
++    mi_init ();
++
++    dwarf_init ();
++
++#ifndef UNW_REMOTE_ONLY
++    aarch64_local_addr_space_init ();
++#endif
++    tdep_init_done = 1;	/* signal that we're initialized... */
++  }
++ out:
++  lock_release (&aarch64_lock, saved_mask);
++}
+--- /dev/null
++++ b/src/aarch64/Ginit.c
+@@ -0,0 +1,187 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2008 CodeSourcery
++   Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
++   Copyright (C) 2013 Linaro Limited
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#include <stdlib.h>
++#include <string.h>
++
++#include "unwind_i.h"
++
++#ifdef UNW_REMOTE_ONLY
++
++/* unw_local_addr_space is a NULL pointer in this case.  */
++PROTECTED unw_addr_space_t unw_local_addr_space;
++
++#else /* !UNW_REMOTE_ONLY */
++
++static struct unw_addr_space local_addr_space;
++
++PROTECTED unw_addr_space_t unw_local_addr_space = &local_addr_space;
++
++static inline void *
++uc_addr (ucontext_t *uc, int reg)
++{
++  if (reg >= UNW_AARCH64_X0 && reg <= UNW_AARCH64_V31)
++    return &uc->uc_mcontext.regs[reg];
++  else
++    return NULL;
++}
++
++# ifdef UNW_LOCAL_ONLY
++
++HIDDEN void *
++tdep_uc_addr (ucontext_t *uc, int reg)
++{
++  return uc_addr (uc, reg);
++}
++
++# endif /* UNW_LOCAL_ONLY */
++
++HIDDEN unw_dyn_info_list_t _U_dyn_info_list;
++
++/* XXX fix me: there is currently no way to locate the dyn-info list
++       by a remote unwinder.  On ia64, this is done via a special
++       unwind-table entry.  Perhaps something similar can be done with
++       DWARF2 unwind info.  */
++
++static void
++put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg)
++{
++  /* it's a no-op */
++}
++
++static int
++get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr,
++			void *arg)
++{
++  *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list;
++  return 0;
++}
++
++static int
++access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write,
++	    void *arg)
++{
++  if (write)
++    {
++      Debug (16, "mem[%lx] <- %lx\n", addr, *val);
++      *(unw_word_t *) addr = *val;
++    }
++  else
++    {
++      *val = *(unw_word_t *) addr;
++      Debug (16, "mem[%lx] -> %lx\n", addr, *val);
++    }
++  return 0;
++}
++
++static int
++access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write,
++	    void *arg)
++{
++  unw_word_t *addr;
++  ucontext_t *uc = arg;
++
++  if (unw_is_fpreg (reg))
++    goto badreg;
++
++  if (!(addr = uc_addr (uc, reg)))
++    goto badreg;
++
++  if (write)
++    {
++      *(unw_word_t *) addr = *val;
++      Debug (12, "%s <- %lx\n", unw_regname (reg), *val);
++    }
++  else
++    {
++      *val = *(unw_word_t *) addr;
++      Debug (12, "%s -> %lx\n", unw_regname (reg), *val);
++    }
++  return 0;
++
++ badreg:
++  Debug (1, "bad register number %u\n", reg);
++  return -UNW_EBADREG;
++}
++
++static int
++access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val,
++	      int write, void *arg)
++{
++  ucontext_t *uc = arg;
++  unw_fpreg_t *addr;
++
++  if (!unw_is_fpreg (reg))
++    goto badreg;
++
++  if (!(addr = uc_addr (uc, reg)))
++    goto badreg;
++
++  if (write)
++    {
++      Debug (12, "%s <- %08lx.%08lx.%08lx\n", unw_regname (reg),
++	     ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]);
++      *(unw_fpreg_t *) addr = *val;
++    }
++  else
++    {
++      *val = *(unw_fpreg_t *) addr;
++      Debug (12, "%s -> %08lx.%08lx.%08lx\n", unw_regname (reg),
++	     ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]);
++    }
++  return 0;
++
++ badreg:
++  Debug (1, "bad register number %u\n", reg);
++  /* attempt to access a non-preserved register */
++  return -UNW_EBADREG;
++}
++
++static int
++get_static_proc_name (unw_addr_space_t as, unw_word_t ip,
++		      char *buf, size_t buf_len, unw_word_t *offp,
++		      void *arg)
++{
++  return _Uelf64_get_proc_name (as, getpid (), ip, buf, buf_len, offp);
++}
++
++HIDDEN void
++aarch64_local_addr_space_init (void)
++{
++  memset (&local_addr_space, 0, sizeof (local_addr_space));
++  local_addr_space.caching_policy = UNW_CACHE_GLOBAL;
++  local_addr_space.acc.find_proc_info = dwarf_find_proc_info;
++  local_addr_space.acc.put_unwind_info = put_unwind_info;
++  local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr;
++  local_addr_space.acc.access_mem = access_mem;
++  local_addr_space.acc.access_reg = access_reg;
++  local_addr_space.acc.access_fpreg = access_fpreg;
++  local_addr_space.acc.resume = aarch64_local_resume;
++  local_addr_space.acc.get_proc_name = get_static_proc_name;
++  unw_flush_cache (&local_addr_space, 0, 0);
++}
++
++#endif /* !UNW_REMOTE_ONLY */
+--- /dev/null
++++ b/src/aarch64/Ginit_local.c
+@@ -0,0 +1,55 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2008 CodeSourcery
++   Copyright (C) 2011-2013 Linaro Limited
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#include "unwind_i.h"
++#include "init.h"
++
++#ifdef UNW_REMOTE_ONLY
++
++PROTECTED int
++unw_init_local (unw_cursor_t *cursor, unw_context_t *uc)
++{
++  return -UNW_EINVAL;
++}
++
++#else /* !UNW_REMOTE_ONLY */
++
++PROTECTED int
++unw_init_local (unw_cursor_t *cursor, unw_context_t *uc)
++{
++  struct cursor *c = (struct cursor *) cursor;
++
++  if (!tdep_init_done)
++    tdep_init ();
++
++  Debug (1, "(cursor=%p)\n", c);
++
++  c->dwarf.as = unw_local_addr_space;
++  c->dwarf.as_arg = uc;
++
++  return common_init (c, 1);
++}
++
++#endif /* !UNW_REMOTE_ONLY */
+--- /dev/null
++++ b/src/aarch64/Ginit_remote.c
+@@ -0,0 +1,45 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2008 CodeSourcery
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#include "init.h"
++#include "unwind_i.h"
++
++PROTECTED int
++unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg)
++{
++#ifdef UNW_LOCAL_ONLY
++  return -UNW_EINVAL;
++#else /* !UNW_LOCAL_ONLY */
++  struct cursor *c = (struct cursor *) cursor;
++
++  if (!tdep_init_done)
++    tdep_init ();
++
++  Debug (1, "(cursor=%p)\n", c);
++
++  c->dwarf.as = as;
++  c->dwarf.as_arg = as_arg;
++  return common_init (c, 0);
++#endif /* !UNW_LOCAL_ONLY */
++}
+--- /dev/null
++++ b/src/aarch64/Gis_signal_frame.c
+@@ -0,0 +1,64 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
++   Copyright (C) 2013 Linaro Limited
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#include "unwind_i.h"
++
++/* The restorer stub will always have the form:
++
++   d2801168        movz    x8, #0x8b
++   d4000001        svc     #0x0
++*/
++
++PROTECTED int
++unw_is_signal_frame (unw_cursor_t *cursor)
++{
++#ifdef __linux__
++  struct cursor *c = (struct cursor *) cursor;
++  unw_word_t w0, ip;
++  unw_addr_space_t as;
++  unw_accessors_t *a;
++  void *arg;
++  int ret;
++
++  as = c->dwarf.as;
++  a = unw_get_accessors (as);
++  arg = c->dwarf.as_arg;
++
++  ip = c->dwarf.ip;
++
++  ret = (*a->access_mem) (as, ip, &w0, 0, arg);
++  if (ret < 0)
++    return ret;
++
++  /* FIXME: distinguish 32bit insn vs 64bit registers.  */
++  if (w0 != 0xd4000001d2801168)
++    return 0;
++
++  return 1;
++
++#else
++  return -UNW_ENOINFO;
++#endif
++}
+--- /dev/null
++++ b/src/aarch64/Gregs.c
+@@ -0,0 +1,113 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2008 CodeSourcery
++   Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
++   Copyright (C) 2013 Linaro Limited
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#include "unwind_i.h"
++
++HIDDEN int
++tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp,
++		 int write)
++{
++  dwarf_loc_t loc = DWARF_NULL_LOC;
++  unsigned int mask;
++
++  switch (reg)
++    {
++    case UNW_AARCH64_X0:
++    case UNW_AARCH64_X1:
++    case UNW_AARCH64_X2:
++    case UNW_AARCH64_X3:
++      mask = 1 << reg;
++      if (write)
++        {
++          c->dwarf.eh_args[reg] = *valp;
++          c->dwarf.eh_valid_mask |= mask;
++          return 0;
++        }
++      else if ((c->dwarf.eh_valid_mask & mask) != 0)
++        {
++          *valp = c->dwarf.eh_args[reg];
++          return 0;
++        }
++      else
++        loc = c->dwarf.loc[reg];
++      break;
++
++    case UNW_AARCH64_X4:
++    case UNW_AARCH64_X5:
++    case UNW_AARCH64_X6:
++    case UNW_AARCH64_X7:
++    case UNW_AARCH64_X8:
++    case UNW_AARCH64_X9:
++    case UNW_AARCH64_X10:
++    case UNW_AARCH64_X11:
++    case UNW_AARCH64_X12:
++    case UNW_AARCH64_X13:
++    case UNW_AARCH64_X14:
++    case UNW_AARCH64_X15:
++    case UNW_AARCH64_X16:
++    case UNW_AARCH64_X17:
++    case UNW_AARCH64_X18:
++    case UNW_AARCH64_X19:
++    case UNW_AARCH64_X20:
++    case UNW_AARCH64_X21:
++    case UNW_AARCH64_X22:
++    case UNW_AARCH64_X23:
++    case UNW_AARCH64_X24:
++    case UNW_AARCH64_X25:
++    case UNW_AARCH64_X26:
++    case UNW_AARCH64_X27:
++    case UNW_AARCH64_X28:
++    case UNW_AARCH64_X29:
++    case UNW_AARCH64_X30:
++    case UNW_AARCH64_PC:
++    case UNW_AARCH64_PSTATE:
++      loc = c->dwarf.loc[reg];
++      break;
++
++    case UNW_AARCH64_SP:
++      if (write)
++        return -UNW_EREADONLYREG;
++      *valp = c->dwarf.cfa;
++      return 0;
++
++    default:
++      Debug (1, "bad register number %u\n", reg);
++      return -UNW_EBADREG;
++    }
++
++  if (write)
++    return dwarf_put (&c->dwarf, loc, *valp);
++  else
++    return dwarf_get (&c->dwarf, loc, valp);
++}
++
++HIDDEN int
++tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp,
++		   int write)
++{
++  Debug (1, "bad register number %u\n", reg);
++  return -UNW_EBADREG;
++}
+--- /dev/null
++++ b/src/aarch64/Gresume.c
+@@ -0,0 +1,177 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2008 CodeSourcery
++   Copyright (C) 2011-2013 Linaro Limited
++   Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#include "unwind_i.h"
++#include "offsets.h"
++
++#ifndef UNW_REMOTE_ONLY
++
++HIDDEN inline int
++aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg)
++{
++#ifdef __linux__
++  struct cursor *c = (struct cursor *) cursor;
++  unw_tdep_context_t *uc = c->dwarf.as_arg;
++
++  if (c->sigcontext_format == AARCH64_SCF_NONE)
++    {
++      /* Since there are no signals involved here we restore the non scratch
++	 registers only.  */
++      unsigned long regs[11];
++      regs[0] = uc->uc_mcontext.regs[19];
++      regs[1] = uc->uc_mcontext.regs[20];
++      regs[2] = uc->uc_mcontext.regs[21];
++      regs[3] = uc->uc_mcontext.regs[22];
++      regs[4] = uc->uc_mcontext.regs[23];
++      regs[5] = uc->uc_mcontext.regs[24];
++      regs[6] = uc->uc_mcontext.regs[25];
++      regs[7] = uc->uc_mcontext.regs[26];
++      regs[8] = uc->uc_mcontext.regs[27];
++      regs[9] = uc->uc_mcontext.regs[28];
++      regs[10] = uc->uc_mcontext.regs[30]; /* LR */
++      unsigned long sp = uc->uc_mcontext.sp;
++
++      struct regs_overlay {
++        char x[sizeof(regs)];
++      };
++
++      asm volatile (
++        "ldp x19, x20, [%0]\n"
++        "ldp x21, x22, [%0,16]\n"
++        "ldp x23, x24, [%0,32]\n"
++        "ldp x25, x26, [%0,48]\n"
++        "ldp x27, x28, [%0,64]\n"
++        "ldr x30, [%0,80]\n"
++        "mov sp, %1\n"
++        "ret \n"
++        :
++        : "r" (regs),
++          "r" (sp),
++          "m" (*(struct regs_overlay *)regs)
++      );
++    }
++  else
++    {
++      struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr;
++
++      if (c->dwarf.eh_valid_mask & 0x1) sc->regs[0] = c->dwarf.eh_args[0];
++      if (c->dwarf.eh_valid_mask & 0x2) sc->regs[1] = c->dwarf.eh_args[1];
++      if (c->dwarf.eh_valid_mask & 0x4) sc->regs[2] = c->dwarf.eh_args[2];
++      if (c->dwarf.eh_valid_mask & 0x8) sc->regs[3] = c->dwarf.eh_args[3];
++
++      sc->regs[4] = uc->uc_mcontext.regs[4];
++      sc->regs[5] = uc->uc_mcontext.regs[5];
++      sc->regs[6] = uc->uc_mcontext.regs[6];
++      sc->regs[7] = uc->uc_mcontext.regs[7];
++      sc->regs[8] = uc->uc_mcontext.regs[8];
++      sc->regs[9] = uc->uc_mcontext.regs[9];
++      sc->regs[10] = uc->uc_mcontext.regs[10];
++      sc->regs[11] = uc->uc_mcontext.regs[11];
++      sc->regs[12] = uc->uc_mcontext.regs[12];
++      sc->regs[13] = uc->uc_mcontext.regs[13];
++      sc->regs[14] = uc->uc_mcontext.regs[14];
++      sc->regs[15] = uc->uc_mcontext.regs[15];
++      sc->regs[16] = uc->uc_mcontext.regs[16];
++      sc->regs[17] = uc->uc_mcontext.regs[17];
++      sc->regs[18] = uc->uc_mcontext.regs[18];
++      sc->regs[19] = uc->uc_mcontext.regs[19];
++      sc->regs[20] = uc->uc_mcontext.regs[20];
++      sc->regs[21] = uc->uc_mcontext.regs[21];
++      sc->regs[22] = uc->uc_mcontext.regs[22];
++      sc->regs[23] = uc->uc_mcontext.regs[23];
++      sc->regs[24] = uc->uc_mcontext.regs[24];
++      sc->regs[25] = uc->uc_mcontext.regs[25];
++      sc->regs[26] = uc->uc_mcontext.regs[26];
++      sc->regs[27] = uc->uc_mcontext.regs[27];
++      sc->regs[28] = uc->uc_mcontext.regs[28];
++      sc->regs[29] = uc->uc_mcontext.regs[29];
++      sc->regs[30] = uc->uc_mcontext.regs[30];
++      sc->sp = uc->uc_mcontext.sp;
++      sc->pc = uc->uc_mcontext.pc;
++      sc->pstate = uc->uc_mcontext.pstate;
++
++      asm volatile (
++        "mov sp, %0\n"
++        "ret %1\n"
++        : : "r" (c->sigcontext_sp), "r" (c->sigcontext_pc)
++      );
++   }
++  unreachable();
++#else
++  printf ("%s: implement me\n", __FUNCTION__);
++#endif
++  return -UNW_EINVAL;
++}
++
++#endif /* !UNW_REMOTE_ONLY */
++
++static inline void
++establish_machine_state (struct cursor *c)
++{
++  unw_addr_space_t as = c->dwarf.as;
++  void *arg = c->dwarf.as_arg;
++  unw_fpreg_t fpval;
++  unw_word_t val;
++  int reg;
++
++  Debug (8, "copying out cursor state\n");
++
++  for (reg = 0; reg <= UNW_AARCH64_PSTATE; ++reg)
++    {
++      Debug (16, "copying %s %d\n", unw_regname (reg), reg);
++      if (unw_is_fpreg (reg))
++	{
++	  if (tdep_access_fpreg (c, reg, &fpval, 0) >= 0)
++	    as->acc.access_fpreg (as, reg, &fpval, 1, arg);
++	}
++      else
++	{
++	  if (tdep_access_reg (c, reg, &val, 0) >= 0)
++	    as->acc.access_reg (as, reg, &val, 1, arg);
++	}
++    }
++}
++
++PROTECTED int
++unw_resume (unw_cursor_t *cursor)
++{
++  struct cursor *c = (struct cursor *) cursor;
++
++  Debug (1, "(cursor=%p)\n", c);
++
++  if (!c->dwarf.ip)
++    {
++      /* This can happen easily when the frame-chain gets truncated
++	 due to bad or missing unwind-info.  */
++      Debug (1, "refusing to resume execution at address 0\n");
++      return -UNW_EINVAL;
++    }
++
++  establish_machine_state (c);
++
++  return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c,
++				     c->dwarf.as_arg);
++}
+--- /dev/null
++++ b/src/aarch64/Gstep.c
+@@ -0,0 +1,129 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2008 CodeSourcery
++   Copyright (C) 2011-2013 Linaro Limited
++   Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#include "unwind_i.h"
++#include "offsets.h"
++
++PROTECTED int
++unw_handle_signal_frame (unw_cursor_t *cursor)
++{
++  struct cursor *c = (struct cursor *) cursor;
++  int ret;
++  unw_word_t sc_addr, sp, sp_addr = c->dwarf.cfa;
++  struct dwarf_loc sp_loc = DWARF_LOC (sp_addr, 0);
++
++  if ((ret = dwarf_get (&c->dwarf, sp_loc, &sp)) < 0)
++    return -UNW_EUNSPEC;
++
++  ret = unw_is_signal_frame (cursor);
++  Debug(1, "unw_is_signal_frame()=%d\n", ret);
++
++  /* Save the SP and PC to be able to return execution at this point
++     later in time (unw_resume).  */
++  c->sigcontext_sp = c->dwarf.cfa;
++  c->sigcontext_pc = c->dwarf.ip;
++
++  if (ret)
++    {
++      c->sigcontext_format = AARCH64_SCF_LINUX_RT_SIGFRAME;
++      sc_addr = sp_addr + sizeof (siginfo_t) + LINUX_UC_MCONTEXT_OFF;
++    }
++  else
++    return -UNW_EUNSPEC;
++
++  c->sigcontext_addr = sc_addr;
++
++  /* Update the dwarf cursor.
++     Set the location of the registers to the corresponding addresses of the
++     uc_mcontext / sigcontext structure contents.  */
++  c->dwarf.loc[UNW_AARCH64_X0]  = DWARF_LOC (sc_addr + LINUX_SC_X0_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X1]  = DWARF_LOC (sc_addr + LINUX_SC_X1_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X2]  = DWARF_LOC (sc_addr + LINUX_SC_X2_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X3]  = DWARF_LOC (sc_addr + LINUX_SC_X3_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X4]  = DWARF_LOC (sc_addr + LINUX_SC_X4_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X5]  = DWARF_LOC (sc_addr + LINUX_SC_X5_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X6]  = DWARF_LOC (sc_addr + LINUX_SC_X6_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X7]  = DWARF_LOC (sc_addr + LINUX_SC_X7_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X8]  = DWARF_LOC (sc_addr + LINUX_SC_X8_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X9]  = DWARF_LOC (sc_addr + LINUX_SC_X9_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X10] = DWARF_LOC (sc_addr + LINUX_SC_X10_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X11] = DWARF_LOC (sc_addr + LINUX_SC_X11_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X12] = DWARF_LOC (sc_addr + LINUX_SC_X12_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X13] = DWARF_LOC (sc_addr + LINUX_SC_X13_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X14] = DWARF_LOC (sc_addr + LINUX_SC_X14_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X15] = DWARF_LOC (sc_addr + LINUX_SC_X15_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X16] = DWARF_LOC (sc_addr + LINUX_SC_X16_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X17] = DWARF_LOC (sc_addr + LINUX_SC_X17_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X18] = DWARF_LOC (sc_addr + LINUX_SC_X18_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X19] = DWARF_LOC (sc_addr + LINUX_SC_X19_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X20] = DWARF_LOC (sc_addr + LINUX_SC_X20_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X21] = DWARF_LOC (sc_addr + LINUX_SC_X21_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X22] = DWARF_LOC (sc_addr + LINUX_SC_X22_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X23] = DWARF_LOC (sc_addr + LINUX_SC_X23_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X24] = DWARF_LOC (sc_addr + LINUX_SC_X24_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X25] = DWARF_LOC (sc_addr + LINUX_SC_X25_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X26] = DWARF_LOC (sc_addr + LINUX_SC_X26_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X27] = DWARF_LOC (sc_addr + LINUX_SC_X27_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X28] = DWARF_LOC (sc_addr + LINUX_SC_X28_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X29] = DWARF_LOC (sc_addr + LINUX_SC_X29_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_X30] = DWARF_LOC (sc_addr + LINUX_SC_X30_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_SP]  = DWARF_LOC (sc_addr + LINUX_SC_SP_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_PC]  = DWARF_LOC (sc_addr + LINUX_SC_PC_OFF, 0);
++  c->dwarf.loc[UNW_AARCH64_PSTATE]  = DWARF_LOC (sc_addr + LINUX_SC_PSTATE_OFF, 0);
++
++  /* Set SP/CFA and PC/IP.  */
++  dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_SP], &c->dwarf.cfa);
++  dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_PC], &c->dwarf.ip);
++
++  c->dwarf.pi_valid = 0;
++
++  return 1;
++}
++
++PROTECTED int
++unw_step (unw_cursor_t *cursor)
++{
++  struct cursor *c = (struct cursor *) cursor;
++  int ret;
++
++  Debug (1, "(cursor=%p, ip=0x%016lx, cfa=0x%016lx))\n",
++	 c, c->dwarf.ip, c->dwarf.cfa);
++
++  /* Check if this is a signal frame. */
++  if (unw_is_signal_frame (cursor))
++    return unw_handle_signal_frame (cursor);
++
++  ret = dwarf_step (&c->dwarf);
++  Debug(1, "dwarf_step()=%d\n", ret);
++
++  if (unlikely (ret == -UNW_ESTOPUNWIND))
++    return ret;
++
++  if (unlikely (ret < 0))
++    return 0;
++
++  return (c->dwarf.ip == 0) ? 0 : 1;
++}
+--- /dev/null
++++ b/src/aarch64/Lcreate_addr_space.c
+@@ -0,0 +1,5 @@
++#define UNW_LOCAL_ONLY
++#include <libunwind.h>
++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
++#include "Gcreate_addr_space.c"
++#endif
+--- /dev/null
++++ b/src/aarch64/Lget_proc_info.c
+@@ -0,0 +1,5 @@
++#define UNW_LOCAL_ONLY
++#include <libunwind.h>
++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
++#include "Gget_proc_info.c"
++#endif
+--- /dev/null
++++ b/src/aarch64/Lget_save_loc.c
+@@ -0,0 +1,5 @@
++#define UNW_LOCAL_ONLY
++#include <libunwind.h>
++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
++#include "Gget_save_loc.c"
++#endif
+--- /dev/null
++++ b/src/aarch64/Lglobal.c
+@@ -0,0 +1,5 @@
++#define UNW_LOCAL_ONLY
++#include <libunwind.h>
++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
++#include "Gglobal.c"
++#endif
+--- /dev/null
++++ b/src/aarch64/Linit.c
+@@ -0,0 +1,5 @@
++#define UNW_LOCAL_ONLY
++#include <libunwind.h>
++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
++#include "Ginit.c"
++#endif
+--- /dev/null
++++ b/src/aarch64/Linit_local.c
+@@ -0,0 +1,5 @@
++#define UNW_LOCAL_ONLY
++#include <libunwind.h>
++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
++#include "Ginit_local.c"
++#endif
+--- /dev/null
++++ b/src/aarch64/Linit_remote.c
+@@ -0,0 +1,5 @@
++#define UNW_LOCAL_ONLY
++#include <libunwind.h>
++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
++#include "Ginit_remote.c"
++#endif
+--- /dev/null
++++ b/src/aarch64/Lis_signal_frame.c
+@@ -0,0 +1,5 @@
++#define UNW_LOCAL_ONLY
++#include <libunwind.h>
++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
++#include "Gis_signal_frame.c"
++#endif
+--- /dev/null
++++ b/src/aarch64/Lregs.c
+@@ -0,0 +1,5 @@
++#define UNW_LOCAL_ONLY
++#include <libunwind.h>
++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
++#include "Gregs.c"
++#endif
+--- /dev/null
++++ b/src/aarch64/Lresume.c
+@@ -0,0 +1,5 @@
++#define UNW_LOCAL_ONLY
++#include <libunwind.h>
++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
++#include "Gresume.c"
++#endif
+--- /dev/null
++++ b/src/aarch64/Lstep.c
+@@ -0,0 +1,5 @@
++#define UNW_LOCAL_ONLY
++#include <libunwind.h>
++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
++#include "Gstep.c"
++#endif
+--- /dev/null
++++ b/src/aarch64/gen-offsets.c
+@@ -0,0 +1,68 @@
++#include <stdio.h>
++#include <stddef.h>
++#include <ucontext.h>
++#include <asm/sigcontext.h>
++
++#define UC(N,X) \
++  printf ("#define LINUX_UC_" N "_OFF\t0x%X\n", offsetof (ucontext_t, X))
++
++#define SC(N,X) \
++  printf ("#define LINUX_SC_" N "_OFF\t0x%X\n", offsetof (struct sigcontext, X))
++
++int
++main (void)
++{
++  printf (
++"/* Linux-specific definitions: */\n\n"
++
++"/* Define various structure offsets to simplify cross-compilation.  */\n\n"
++
++"/* Offsets for AArch64 Linux \"ucontext_t\":  */\n\n");
++
++  UC ("FLAGS", uc_flags);
++  UC ("LINK", uc_link);
++  UC ("STACK", uc_stack);
++  UC ("MCONTEXT", uc_mcontext);
++  UC ("SIGMASK", uc_sigmask);
++
++  printf ("\n/* Offsets for AArch64 Linux \"struct sigcontext\":  */\n\n");
++
++  SC ("R0",  regs[0]);
++  SC ("R1",  regs[1]);
++  SC ("R2",  regs[2]);
++  SC ("R3",  regs[3]);
++  SC ("R4",  regs[4]);
++  SC ("R5",  regs[5]);
++  SC ("R6",  regs[6]);
++  SC ("R7",  regs[7]);
++  SC ("R8",  regs[8]);
++  SC ("R9",  regs[9]);
++  SC ("R10", regs[10]);
++  SC ("R11", regs[11]);
++  SC ("R12", regs[12]);
++  SC ("R13", regs[13]);
++  SC ("R14", regs[14]);
++  SC ("R15", regs[15]);
++  SC ("R16", regs[16]);
++  SC ("R17", regs[17]);
++  SC ("R18", regs[18]);
++  SC ("R19", regs[19]);
++  SC ("R20", regs[20]);
++  SC ("R21", regs[21]);
++  SC ("R22", regs[22]);
++  SC ("R23", regs[23]);
++  SC ("R24", regs[24]);
++  SC ("R25", regs[25]);
++  SC ("R26", regs[26]);
++  SC ("R27", regs[27]);
++  SC ("R28", regs[28]);
++  SC ("R29", regs[29]);
++  SC ("R30", regs[30]);
++  SC ("R31", regs[31]);
++
++  SC ("PC", pc);
++  SC ("SP", sp);
++  SC ("Fault", fault_address);
++  SC ("state", pstate);
++  return 0;
++}
+--- /dev/null
++++ b/src/aarch64/init.h
+@@ -0,0 +1,127 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
++   Copyright (C) 2013 Linaro Limited
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#include "unwind_i.h"
++
++static inline int
++common_init (struct cursor *c, unsigned use_prev_instr)
++{
++  int ret, i;
++
++  c->dwarf.loc[UNW_AARCH64_X0]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X0);
++  c->dwarf.loc[UNW_AARCH64_X1]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X1);
++  c->dwarf.loc[UNW_AARCH64_X2]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X2);
++  c->dwarf.loc[UNW_AARCH64_X3]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X3);
++  c->dwarf.loc[UNW_AARCH64_X4]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X4);
++  c->dwarf.loc[UNW_AARCH64_X5]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X5);
++  c->dwarf.loc[UNW_AARCH64_X6]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X6);
++  c->dwarf.loc[UNW_AARCH64_X7]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X7);
++  c->dwarf.loc[UNW_AARCH64_X8]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X8);
++  c->dwarf.loc[UNW_AARCH64_X9]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X9);
++  c->dwarf.loc[UNW_AARCH64_X10] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X10);
++  c->dwarf.loc[UNW_AARCH64_X11] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X11);
++  c->dwarf.loc[UNW_AARCH64_X12] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X12);
++  c->dwarf.loc[UNW_AARCH64_X13] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X13);
++  c->dwarf.loc[UNW_AARCH64_X14] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X14);
++  c->dwarf.loc[UNW_AARCH64_X15] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X15);
++  c->dwarf.loc[UNW_AARCH64_X16] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X16);
++  c->dwarf.loc[UNW_AARCH64_X17] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X17);
++  c->dwarf.loc[UNW_AARCH64_X18] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X18);
++  c->dwarf.loc[UNW_AARCH64_X19] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X19);
++  c->dwarf.loc[UNW_AARCH64_X20] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X20);
++  c->dwarf.loc[UNW_AARCH64_X21] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X21);
++  c->dwarf.loc[UNW_AARCH64_X22] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X22);
++  c->dwarf.loc[UNW_AARCH64_X23] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X23);
++  c->dwarf.loc[UNW_AARCH64_X24] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X24);
++  c->dwarf.loc[UNW_AARCH64_X25] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X25);
++  c->dwarf.loc[UNW_AARCH64_X26] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X26);
++  c->dwarf.loc[UNW_AARCH64_X27] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X27);
++  c->dwarf.loc[UNW_AARCH64_X28] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X28);
++  c->dwarf.loc[UNW_AARCH64_X29] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X29);
++  c->dwarf.loc[UNW_AARCH64_X30] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X30);
++  c->dwarf.loc[UNW_AARCH64_SP]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_SP);
++  c->dwarf.loc[UNW_AARCH64_PC]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_PC);
++  c->dwarf.loc[UNW_AARCH64_PSTATE] = DWARF_REG_LOC (&c->dwarf,
++                                                    UNW_AARCH64_PSTATE);
++  c->dwarf.loc[UNW_AARCH64_V0]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V0);
++  c->dwarf.loc[UNW_AARCH64_V1]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V1);
++  c->dwarf.loc[UNW_AARCH64_V2]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V2);
++  c->dwarf.loc[UNW_AARCH64_V3]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V3);
++  c->dwarf.loc[UNW_AARCH64_V4]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V4);
++  c->dwarf.loc[UNW_AARCH64_V5]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V5);
++  c->dwarf.loc[UNW_AARCH64_V6]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V6);
++  c->dwarf.loc[UNW_AARCH64_V7]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V7);
++  c->dwarf.loc[UNW_AARCH64_V8]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V8);
++  c->dwarf.loc[UNW_AARCH64_V9]  = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V9);
++  c->dwarf.loc[UNW_AARCH64_V10] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V10);
++  c->dwarf.loc[UNW_AARCH64_V11] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V11);
++  c->dwarf.loc[UNW_AARCH64_V12] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V12);
++  c->dwarf.loc[UNW_AARCH64_V13] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V13);
++  c->dwarf.loc[UNW_AARCH64_V14] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V14);
++  c->dwarf.loc[UNW_AARCH64_V15] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V15);
++  c->dwarf.loc[UNW_AARCH64_V16] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V16);
++  c->dwarf.loc[UNW_AARCH64_V17] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V17);
++  c->dwarf.loc[UNW_AARCH64_V18] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V18);
++  c->dwarf.loc[UNW_AARCH64_V19] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V19);
++  c->dwarf.loc[UNW_AARCH64_V20] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V20);
++  c->dwarf.loc[UNW_AARCH64_V21] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V21);
++  c->dwarf.loc[UNW_AARCH64_V22] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V22);
++  c->dwarf.loc[UNW_AARCH64_V23] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V23);
++  c->dwarf.loc[UNW_AARCH64_V24] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V24);
++  c->dwarf.loc[UNW_AARCH64_V25] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V25);
++  c->dwarf.loc[UNW_AARCH64_V26] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V26);
++  c->dwarf.loc[UNW_AARCH64_V27] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V27);
++  c->dwarf.loc[UNW_AARCH64_V28] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V28);
++  c->dwarf.loc[UNW_AARCH64_V29] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V29);
++  c->dwarf.loc[UNW_AARCH64_V30] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V30);
++  c->dwarf.loc[UNW_AARCH64_V31] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V31);
++
++  for (i = UNW_AARCH64_PSTATE + 1; i < UNW_AARCH64_V0; ++i)
++    c->dwarf.loc[i] = DWARF_NULL_LOC;
++
++  ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_PC], &c->dwarf.ip);
++  if (ret < 0)
++    return ret;
++
++  ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_SP], &c->dwarf.cfa);
++  if (ret < 0)
++    return ret;
++
++  c->sigcontext_format = AARCH64_SCF_NONE;
++  c->sigcontext_addr = 0;
++  c->sigcontext_sp = 0;
++  c->sigcontext_pc = 0;
++
++  c->dwarf.args_size = 0;
++  c->dwarf.ret_addr_column = 0;
++  c->dwarf.stash_frames = 0;
++  c->dwarf.use_prev_instr = use_prev_instr;
++  c->dwarf.pi_valid = 0;
++  c->dwarf.pi_is_dynamic = 0;
++  c->dwarf.hint = 0;
++  c->dwarf.prev_rs = 0;
++
++  return 0;
++}
+--- /dev/null
++++ b/src/aarch64/is_fpreg.c
+@@ -0,0 +1,32 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2008 CodeSourcery
++   Copyright (C) 2013 Linaro Limited
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#include "libunwind_i.h"
++
++PROTECTED int
++unw_is_fpreg (int regnum)
++{
++  return (regnum >= UNW_AARCH64_V0 && regnum <= UNW_AARCH64_V31);
++}
+--- /dev/null
++++ b/src/aarch64/offsets.h
+@@ -0,0 +1,49 @@
++/* Linux-specific definitions: */
++
++/* Define various structure offsets to simplify cross-compilation.  */
++
++/* Offsets for AArch64 Linux "ucontext_t":  */
++
++#define LINUX_UC_FLAGS_OFF	0x0
++#define LINUX_UC_LINK_OFF	0x8
++#define LINUX_UC_STACK_OFF	0x10
++#define LINUX_UC_SIGMASK_OFF	0x28
++#define LINUX_UC_MCONTEXT_OFF	0xb0
++
++/* Offsets for AArch64 Linux "struct sigcontext":  */
++
++#define LINUX_SC_FAULTADDRESS_OFF	0x00
++#define LINUX_SC_X0_OFF		0x008
++#define LINUX_SC_X1_OFF		0x010
++#define LINUX_SC_X2_OFF		0x018
++#define LINUX_SC_X3_OFF		0x020
++#define LINUX_SC_X4_OFF		0x028
++#define LINUX_SC_X5_OFF		0x030
++#define LINUX_SC_X6_OFF		0x038
++#define LINUX_SC_X7_OFF		0x040
++#define LINUX_SC_X8_OFF		0x048
++#define LINUX_SC_X9_OFF		0x050
++#define LINUX_SC_X10_OFF	0x058
++#define LINUX_SC_X11_OFF	0x060
++#define LINUX_SC_X12_OFF	0x068
++#define LINUX_SC_X13_OFF	0x070
++#define LINUX_SC_X14_OFF	0x078
++#define LINUX_SC_X15_OFF	0x080
++#define LINUX_SC_X16_OFF	0x088
++#define LINUX_SC_X17_OFF	0x090
++#define LINUX_SC_X18_OFF	0x098
++#define LINUX_SC_X19_OFF	0x0a0
++#define LINUX_SC_X20_OFF	0x0a8
++#define LINUX_SC_X21_OFF	0x0b0
++#define LINUX_SC_X22_OFF	0x0b8
++#define LINUX_SC_X23_OFF	0x0c0
++#define LINUX_SC_X24_OFF	0x0c8
++#define LINUX_SC_X25_OFF	0x0d0
++#define LINUX_SC_X26_OFF	0x0d8
++#define LINUX_SC_X27_OFF	0x0e0
++#define LINUX_SC_X28_OFF	0x0e8
++#define LINUX_SC_X29_OFF	0x0f0
++#define LINUX_SC_X30_OFF	0x0f8
++#define LINUX_SC_SP_OFF		0x100
++#define LINUX_SC_PC_OFF		0x108
++#define LINUX_SC_PSTATE_OFF	0x110
+--- /dev/null
++++ b/src/aarch64/regname.c
+@@ -0,0 +1,106 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
++   Copyright (C) 2013 Linaro Limited
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#include "unwind_i.h"
++
++static const char *const regname[] =
++  {
++    [UNW_AARCH64_X0] = "x0",
++    [UNW_AARCH64_X1] = "x1",
++    [UNW_AARCH64_X2] = "x2",
++    [UNW_AARCH64_X3] = "x3",
++    [UNW_AARCH64_X4] = "x4",
++    [UNW_AARCH64_X5] = "x5",
++    [UNW_AARCH64_X6] = "x6",
++    [UNW_AARCH64_X7] = "x7",
++    [UNW_AARCH64_X8] = "x8",
++    [UNW_AARCH64_X9] = "x9",
++    [UNW_AARCH64_X10] = "x10",
++    [UNW_AARCH64_X11] = "x11",
++    [UNW_AARCH64_X12] = "x12",
++    [UNW_AARCH64_X13] = "x13",
++    [UNW_AARCH64_X14] = "x14",
++    [UNW_AARCH64_X15] = "x15",
++    [UNW_AARCH64_X16] = "ip0",
++    [UNW_AARCH64_X17] = "ip1",
++    [UNW_AARCH64_X18] = "x18",
++    [UNW_AARCH64_X19] = "x19",
++    [UNW_AARCH64_X20] = "x20",
++    [UNW_AARCH64_X21] = "x21",
++    [UNW_AARCH64_X22] = "x22",
++    [UNW_AARCH64_X23] = "x23",
++    [UNW_AARCH64_X24] = "x24",
++    [UNW_AARCH64_X25] = "x25",
++    [UNW_AARCH64_X26] = "x26",
++    [UNW_AARCH64_X27] = "x27",
++    [UNW_AARCH64_X28] = "x28",
++    [UNW_AARCH64_X29] = "fp",
++    [UNW_AARCH64_X30] = "lr",
++    [UNW_AARCH64_SP] = "sp",
++    [UNW_AARCH64_PC] = "pc",
++    [UNW_AARCH64_V0] = "v0",
++    [UNW_AARCH64_V1] = "v1",
++    [UNW_AARCH64_V2] = "v2",
++    [UNW_AARCH64_V3] = "v3",
++    [UNW_AARCH64_V4] = "v4",
++    [UNW_AARCH64_V5] = "v5",
++    [UNW_AARCH64_V6] = "v6",
++    [UNW_AARCH64_V7] = "v7",
++    [UNW_AARCH64_V8] = "v8",
++    [UNW_AARCH64_V9] = "v9",
++    [UNW_AARCH64_V10] = "v10",
++    [UNW_AARCH64_V11] = "v11",
++    [UNW_AARCH64_V12] = "v12",
++    [UNW_AARCH64_V13] = "v13",
++    [UNW_AARCH64_V14] = "v14",
++    [UNW_AARCH64_V15] = "v15",
++    [UNW_AARCH64_V16] = "v16",
++    [UNW_AARCH64_V17] = "v17",
++    [UNW_AARCH64_V18] = "v18",
++    [UNW_AARCH64_V19] = "v19",
++    [UNW_AARCH64_V20] = "v20",
++    [UNW_AARCH64_V21] = "v21",
++    [UNW_AARCH64_V22] = "v22",
++    [UNW_AARCH64_V23] = "v23",
++    [UNW_AARCH64_V24] = "v24",
++    [UNW_AARCH64_V25] = "v25",
++    [UNW_AARCH64_V26] = "v26",
++    [UNW_AARCH64_V27] = "v27",
++    [UNW_AARCH64_V28] = "v28",
++    [UNW_AARCH64_V29] = "v29",
++    [UNW_AARCH64_V30] = "v30",
++    [UNW_AARCH64_V31] = "v31",
++    [UNW_AARCH64_FPSR] = "fpsr",
++    [UNW_AARCH64_FPCR] = "fpcr",
++  };
++
++PROTECTED const char *
++unw_regname (unw_regnum_t reg)
++{
++  if (reg < (unw_regnum_t) ARRAY_SIZE (regname) && regname[reg] != NULL)
++    return regname[reg];
++  else
++    return "???";
++}
+--- /dev/null
++++ b/src/aarch64/siglongjmp.S
+@@ -0,0 +1,12 @@
++	/* Dummy implementation for now.  */
++
++	.global _UI_siglongjmp_cont
++	.global _UI_longjmp_cont
++
++_UI_siglongjmp_cont:
++_UI_longjmp_cont:
++	ret
++#ifdef __linux__
++ /* We do not need executable stack.  */
++ .section  .note.GNU-stack,"",%progbits
++#endif
+--- /dev/null
++++ b/src/aarch64/unwind_i.h
+@@ -0,0 +1,43 @@
++/* libunwind - a platform-independent unwind library
++   Copyright (C) 2008 CodeSourcery
++   Copyright (C) 2013 Linaro Limited
++
++This file is part of libunwind.
++
++Permission is hereby granted, free of charge, to any person obtaining
++a copy of this software and associated documentation files (the
++"Software"), to deal in the Software without restriction, including
++without limitation the rights to use, copy, modify, merge, publish,
++distribute, sublicense, and/or sell copies of the Software, and to
++permit persons to whom the Software is furnished to do so, subject to
++the following conditions:
++
++The above copyright notice and this permission notice shall be
++included in all copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
++
++#ifndef unwind_i_h
++#define unwind_i_h
++
++#include <stdint.h>
++
++#include <libunwind-aarch64.h>
++
++#include "libunwind_i.h"
++
++#define aarch64_lock			UNW_OBJ(lock)
++#define aarch64_local_resume		UNW_OBJ(local_resume)
++#define aarch64_local_addr_space_init	UNW_OBJ(local_addr_space_init)
++
++extern void aarch64_local_addr_space_init (void);
++extern int aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor,
++			     void *arg);
++
++#endif /* unwind_i_h */
+--- a/src/coredump/_UCD_access_reg_linux.c
++++ b/src/coredump/_UCD_access_reg_linux.c
+@@ -39,7 +39,10 @@ _UCD_access_reg (unw_addr_space_t as,
+       return -UNW_EINVAL;
+     }
+ 
+-#if defined(UNW_TARGET_ARM)
++#if defined(UNW_TARGET_AARCH64)
++  if (regnum < 0 || regnum >= UNW_AARCH64_FPCR)
++    goto badreg;
++#elif defined(UNW_TARGET_ARM)
+   if (regnum < 0 || regnum >= 16)
+     goto badreg;
+ #elif defined(UNW_TARGET_SH)
+--- a/src/ptrace/_UPT_reg_offset.c
++++ b/src/ptrace/_UPT_reg_offset.c
+@@ -1,6 +1,7 @@
+ /* libunwind - a platform-independent unwind library
+    Copyright (C) 2003-2004 Hewlett-Packard Co
+ 	Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
++   Copyright (C) 2013 Linaro Limited
+ 
+ This file is part of libunwind.
+ 
+@@ -501,6 +502,41 @@ const int _UPT_reg_offset[UNW_REG_LAST +
+     [UNW_ARM_R15]      = 0x3c,
+ #elif defined(UNW_TARGET_MIPS)
+ #elif defined(UNW_TARGET_SH)
++#elif defined(UNW_TARGET_AARCH64)
++    [UNW_AARCH64_X0]       = 0x00,
++    [UNW_AARCH64_X1]       = 0x08,
++    [UNW_AARCH64_X2]       = 0x10,
++    [UNW_AARCH64_X3]       = 0x18,
++    [UNW_AARCH64_X4]       = 0x20,
++    [UNW_AARCH64_X5]       = 0x28,
++    [UNW_AARCH64_X6]       = 0x30,
++    [UNW_AARCH64_X7]       = 0x38,
++    [UNW_AARCH64_X8]       = 0x40,
++    [UNW_AARCH64_X9]       = 0x48,
++    [UNW_AARCH64_X10]      = 0x50,
++    [UNW_AARCH64_X11]      = 0x58,
++    [UNW_AARCH64_X12]      = 0x60,
++    [UNW_AARCH64_X13]      = 0x68,
++    [UNW_AARCH64_X14]      = 0x70,
++    [UNW_AARCH64_X15]      = 0x78,
++    [UNW_AARCH64_X16]      = 0x80,
++    [UNW_AARCH64_X17]      = 0x88,
++    [UNW_AARCH64_X18]      = 0x90,
++    [UNW_AARCH64_X19]      = 0x98,
++    [UNW_AARCH64_X20]      = 0xa0,
++    [UNW_AARCH64_X21]      = 0xa8,
++    [UNW_AARCH64_X22]      = 0xb0,
++    [UNW_AARCH64_X23]      = 0xb8,
++    [UNW_AARCH64_X24]      = 0xc0,
++    [UNW_AARCH64_X25]      = 0xc8,
++    [UNW_AARCH64_X26]      = 0xd0,
++    [UNW_AARCH64_X27]      = 0xd8,
++    [UNW_AARCH64_X28]      = 0xe0,
++    [UNW_AARCH64_X29]      = 0xe8,
++    [UNW_AARCH64_X30]      = 0xf0,
++    [UNW_AARCH64_SP]       = 0xf8,
++    [UNW_AARCH64_PC]       = 0x100,
++    [UNW_AARCH64_PSTATE]   = 0x108
+ #else
+ # error Fix me.
+ #endif
diff --git a/meta/recipes-support/libunwind/libunwind.inc b/meta/recipes-support/libunwind/libunwind.inc
index b27b9e5..6743b21 100644
--- a/meta/recipes-support/libunwind/libunwind.inc
+++ b/meta/recipes-support/libunwind/libunwind.inc
@@ -11,6 +11,7 @@ PACKAGECONFIG ??= ""
 PACKAGECONFIG[lzma] = "--enable-minidebuginfo,--disable-minidebuginfo,lzma"
 
 EXTRA_OECONF_arm = "--enable-debug-frame"
+EXTRA_OECONF_aarch64 = "--enable-debug-frame"
 
 CFLAGS += "${ATOMICOPS}"
 ATOMICOPS_armv5 = "-DAO_USE_PTHREAD_DEFS=1"
diff --git a/meta/recipes-support/libunwind/libunwind_1.1.bb b/meta/recipes-support/libunwind/libunwind_1.1.bb
index bc38e36..555ef6e 100644
--- a/meta/recipes-support/libunwind/libunwind_1.1.bb
+++ b/meta/recipes-support/libunwind/libunwind_1.1.bb
@@ -1,4 +1,6 @@
 require libunwind.inc
 
+SRC_URI += "file://AArch64-port.patch"
+
 SRC_URI[md5sum] = "fb4ea2f6fbbe45bf032cd36e586883ce"
 SRC_URI[sha256sum] = "9dfe0fcae2a866de9d3942c66995e4b460230446887dbdab302d41a8aee8d09a"
un

-- 
Regards,
Neil | Kai Kang
--------------010900080407060008050201--