From: Warner Losh <imp@bsdimp.com>
To: qemu-devel@nongnu.org
Cc: kevans@freebsd.org, Warner Losh <imp@bsdimp.com>
Subject: [PATCH for 6.2 04/49] bsd-user: Remove all non-x86 code from elfload.c
Date: Sat, 7 Aug 2021 15:41:57 -0600 [thread overview]
Message-ID: <20210807214242.82385-5-imp@bsdimp.com> (raw)
In-Reply-To: <20210807214242.82385-1-imp@bsdimp.com>
bsd-user only builds x86 at the moment. Remove all non x86 code from
elfload.c. We'll move the x86 code to {i386,x86_64}/target_arch_elf.h
and bring it that support code from the forked bsd-user when the time
comes.
Signed-off-by: Warner Losh <imp@bsdimp.com>
---
bsd-user/elfload.c | 347 +--------------------------------------------
1 file changed, 2 insertions(+), 345 deletions(-)
diff --git a/bsd-user/elfload.c b/bsd-user/elfload.c
index ae62f3aab3..fffa24f041 100644
--- a/bsd-user/elfload.c
+++ b/bsd-user/elfload.c
@@ -23,15 +23,6 @@
#include "disas/disas.h"
#include "qemu/path.h"
-#ifdef _ARCH_PPC64
-#undef ARCH_DLINFO
-#undef ELF_PLATFORM
-#undef ELF_HWCAP
-#undef ELF_CLASS
-#undef ELF_DATA
-#undef ELF_ARCH
-#endif
-
/* from personality.h */
/*
@@ -144,7 +135,7 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
}
}
-#else
+#else /* !TARGET_X86_64 */
#define ELF_START_MMAP 0x80000000
@@ -174,343 +165,13 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
A value of 0 tells we have no such handler. */
regs->edx = 0;
}
-#endif
-
-#define USE_ELF_CORE_DUMP
-#define ELF_EXEC_PAGESIZE 4096
-
-#endif
-
-#ifdef TARGET_ARM
-
-#define ELF_START_MMAP 0x80000000
-
-#define elf_check_arch(x) ((x) == EM_ARM)
-
-#define ELF_CLASS ELFCLASS32
-#ifdef TARGET_WORDS_BIGENDIAN
-#define ELF_DATA ELFDATA2MSB
-#else
-#define ELF_DATA ELFDATA2LSB
-#endif
-#define ELF_ARCH EM_ARM
-
-static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
-{
- abi_long stack = infop->start_stack;
- memset(regs, 0, sizeof(*regs));
- regs->ARM_cpsr = 0x10;
- if (infop->entry & 1)
- regs->ARM_cpsr |= CPSR_T;
- regs->ARM_pc = infop->entry & 0xfffffffe;
- regs->ARM_sp = infop->start_stack;
- /* FIXME - what to for failure of get_user()? */
- get_user_ual(regs->ARM_r2, stack + 8); /* envp */
- get_user_ual(regs->ARM_r1, stack + 4); /* envp */
- /* XXX: it seems that r0 is zeroed after ! */
- regs->ARM_r0 = 0;
- /* For uClinux PIC binaries. */
- /* XXX: Linux does this only on ARM with no MMU (do we care ?) */
- regs->ARM_r10 = infop->start_data;
-}
-
-#define USE_ELF_CORE_DUMP
-#define ELF_EXEC_PAGESIZE 4096
-
-enum
-{
- ARM_HWCAP_ARM_SWP = 1 << 0,
- ARM_HWCAP_ARM_HALF = 1 << 1,
- ARM_HWCAP_ARM_THUMB = 1 << 2,
- ARM_HWCAP_ARM_26BIT = 1 << 3,
- ARM_HWCAP_ARM_FAST_MULT = 1 << 4,
- ARM_HWCAP_ARM_FPA = 1 << 5,
- ARM_HWCAP_ARM_VFP = 1 << 6,
- ARM_HWCAP_ARM_EDSP = 1 << 7,
-};
-
-#define ELF_HWCAP (ARM_HWCAP_ARM_SWP | ARM_HWCAP_ARM_HALF \
- | ARM_HWCAP_ARM_THUMB | ARM_HWCAP_ARM_FAST_MULT \
- | ARM_HWCAP_ARM_FPA | ARM_HWCAP_ARM_VFP)
-
-#endif
-
-#ifdef TARGET_SPARC
-#ifdef TARGET_SPARC64
-
-#define ELF_START_MMAP 0x80000000
-
-#ifndef TARGET_ABI32
-#define elf_check_arch(x) ((x) == EM_SPARCV9 || (x) == EM_SPARC32PLUS)
-#else
-#define elf_check_arch(x) ((x) == EM_SPARC32PLUS || (x) == EM_SPARC)
-#endif
-
-#define ELF_CLASS ELFCLASS64
-#define ELF_DATA ELFDATA2MSB
-#define ELF_ARCH EM_SPARCV9
-
-#define STACK_BIAS 2047
-
-static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
-{
-#ifndef TARGET_ABI32
- regs->tstate = 0;
-#endif
- regs->pc = infop->entry;
- regs->npc = regs->pc + 4;
- regs->y = 0;
-#ifdef TARGET_ABI32
- regs->u_regs[14] = infop->start_stack - 16 * 4;
-#else
- if (personality(infop->personality) == PER_LINUX32)
- regs->u_regs[14] = infop->start_stack - 16 * 4;
- else {
- regs->u_regs[14] = infop->start_stack - 16 * 8 - STACK_BIAS;
- if (bsd_type == target_freebsd) {
- regs->u_regs[8] = infop->start_stack;
- regs->u_regs[11] = infop->start_stack;
- }
- }
-#endif
-}
-
-#else
-#define ELF_START_MMAP 0x80000000
-
-#define elf_check_arch(x) ((x) == EM_SPARC)
-
-#define ELF_CLASS ELFCLASS32
-#define ELF_DATA ELFDATA2MSB
-#define ELF_ARCH EM_SPARC
-
-static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
-{
- regs->psr = 0;
- regs->pc = infop->entry;
- regs->npc = regs->pc + 4;
- regs->y = 0;
- regs->u_regs[14] = infop->start_stack - 16 * 4;
-}
-
-#endif
-#endif
-
-#ifdef TARGET_PPC
-
-#define ELF_START_MMAP 0x80000000
-
-#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
-
-#define elf_check_arch(x) ((x) == EM_PPC64)
-
-#define ELF_CLASS ELFCLASS64
-
-#else
-
-#define elf_check_arch(x) ((x) == EM_PPC)
-
-#define ELF_CLASS ELFCLASS32
-
-#endif
-
-#ifdef TARGET_WORDS_BIGENDIAN
-#define ELF_DATA ELFDATA2MSB
-#else
-#define ELF_DATA ELFDATA2LSB
-#endif
-#define ELF_ARCH EM_PPC
-
-/*
- * We need to put in some extra aux table entries to tell glibc what
- * the cache block size is, so it can use the dcbz instruction safely.
- */
-#define AT_DCACHEBSIZE 19
-#define AT_ICACHEBSIZE 20
-#define AT_UCACHEBSIZE 21
-/* A special ignored type value for PPC, for glibc compatibility. */
-#define AT_IGNOREPPC 22
-/*
- * The requirements here are:
- * - keep the final alignment of sp (sp & 0xf)
- * - make sure the 32-bit value at the first 16 byte aligned position of
- * AUXV is greater than 16 for glibc compatibility.
- * AT_IGNOREPPC is used for that.
- * - for compatibility with glibc ARCH_DLINFO must always be defined on PPC,
- * even if DLINFO_ARCH_ITEMS goes to zero or is undefined.
- */
-#define DLINFO_ARCH_ITEMS 5
-#define ARCH_DLINFO \
-do { \
- NEW_AUX_ENT(AT_DCACHEBSIZE, 0x20); \
- NEW_AUX_ENT(AT_ICACHEBSIZE, 0x20); \
- NEW_AUX_ENT(AT_UCACHEBSIZE, 0); \
- /* \
- * Now handle glibc compatibility. \
- */ \
- NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC); \
- NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC); \
- } while (0)
-
-static inline void init_thread(struct target_pt_regs *_regs, struct image_info *infop)
-{
- abi_ulong pos = infop->start_stack;
- abi_ulong tmp;
-#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
- abi_ulong entry, toc;
-#endif
-
- _regs->gpr[1] = infop->start_stack;
-#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
- get_user_u64(entry, infop->entry);
- entry += infop->load_addr;
- get_user_u64(toc, infop->entry + 8);
- toc += infop->load_addr;
- _regs->gpr[2] = toc;
- infop->entry = entry;
-#endif
- _regs->nip = infop->entry;
- /* Note that isn't exactly what regular kernel does
- * but this is what the ABI wants and is needed to allow
- * execution of PPC BSD programs.
- */
- /* FIXME - what to for failure of get_user()? */
- get_user_ual(_regs->gpr[3], pos);
- pos += sizeof(abi_ulong);
- _regs->gpr[4] = pos;
- for (tmp = 1; tmp != 0; pos += sizeof(abi_ulong)) {
- get_user_ual(tmp, pos);
- }
- _regs->gpr[5] = pos;
-}
+#endif /* !TARGET_X86_64 */
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE 4096
#endif
-#ifdef TARGET_MIPS
-
-#define ELF_START_MMAP 0x80000000
-
-#define elf_check_arch(x) ((x) == EM_MIPS)
-
-#ifdef TARGET_MIPS64
-#define ELF_CLASS ELFCLASS64
-#else
-#define ELF_CLASS ELFCLASS32
-#endif
-#ifdef TARGET_WORDS_BIGENDIAN
-#define ELF_DATA ELFDATA2MSB
-#else
-#define ELF_DATA ELFDATA2LSB
-#endif
-#define ELF_ARCH EM_MIPS
-
-static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
-{
- regs->cp0_status = 2 << CP0St_KSU;
- regs->cp0_epc = infop->entry;
- regs->regs[29] = infop->start_stack;
-}
-
-#define USE_ELF_CORE_DUMP
-#define ELF_EXEC_PAGESIZE 4096
-
-#endif /* TARGET_MIPS */
-
-#ifdef TARGET_SH4
-
-#define ELF_START_MMAP 0x80000000
-
-#define elf_check_arch(x) ((x) == EM_SH)
-
-#define ELF_CLASS ELFCLASS32
-#define ELF_DATA ELFDATA2LSB
-#define ELF_ARCH EM_SH
-
-static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
-{
- /* Check other registers XXXXX */
- regs->pc = infop->entry;
- regs->regs[15] = infop->start_stack;
-}
-
-#define USE_ELF_CORE_DUMP
-#define ELF_EXEC_PAGESIZE 4096
-
-#endif
-
-#ifdef TARGET_CRIS
-
-#define ELF_START_MMAP 0x80000000
-
-#define elf_check_arch(x) ((x) == EM_CRIS)
-
-#define ELF_CLASS ELFCLASS32
-#define ELF_DATA ELFDATA2LSB
-#define ELF_ARCH EM_CRIS
-
-static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
-{
- regs->erp = infop->entry;
-}
-
-#define USE_ELF_CORE_DUMP
-#define ELF_EXEC_PAGESIZE 8192
-
-#endif
-
-#ifdef TARGET_M68K
-
-#define ELF_START_MMAP 0x80000000
-
-#define elf_check_arch(x) ((x) == EM_68K)
-
-#define ELF_CLASS ELFCLASS32
-#define ELF_DATA ELFDATA2MSB
-#define ELF_ARCH EM_68K
-
-/* ??? Does this need to do anything?
-#define ELF_PLAT_INIT(_r) */
-
-static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
-{
- regs->usp = infop->start_stack;
- regs->sr = 0;
- regs->pc = infop->entry;
-}
-
-#define USE_ELF_CORE_DUMP
-#define ELF_EXEC_PAGESIZE 8192
-
-#endif
-
-#ifdef TARGET_ALPHA
-
-#define ELF_START_MMAP (0x30000000000ULL)
-
-#define elf_check_arch(x) ((x) == ELF_ARCH)
-
-#define ELF_CLASS ELFCLASS64
-#define ELF_DATA ELFDATA2MSB
-#define ELF_ARCH EM_ALPHA
-
-static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
-{
- regs->pc = infop->entry;
- regs->ps = 8;
- regs->usp = infop->start_stack;
- regs->unique = infop->start_data; /* ? */
- printf("Set unique value to " TARGET_FMT_lx " (" TARGET_FMT_lx ")\n",
- regs->unique, infop->start_data);
-}
-
-#define USE_ELF_CORE_DUMP
-#define ELF_EXEC_PAGESIZE 8192
-
-#endif /* TARGET_ALPHA */
-
#ifndef ELF_PLATFORM
#define ELF_PLATFORM (NULL)
#endif
@@ -1119,10 +780,6 @@ static void load_symbols(struct elfhdr *hdr, int fd)
}
continue;
}
-#if defined(TARGET_ARM) || defined(TARGET_MIPS)
- /* The bottom address bit marks a Thumb or MIPS16 symbol. */
- syms[i].st_value &= ~(target_ulong)1;
-#endif
i++;
}
--
2.32.0
next prev parent reply other threads:[~2021-08-07 21:47 UTC|newest]
Thread overview: 123+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-07 21:41 [PATCH for 6.2 00/49] bsd-user updates to run hello world Warner Losh
2021-08-07 21:41 ` [PATCH for 6.2 01/49] bsd-user: remove sparc and sparc64 Warner Losh
2021-08-08 4:28 ` Richard Henderson
2021-08-07 21:41 ` [PATCH for 6.2 02/49] bsd-user: add copyright header to elfload.c Warner Losh
2021-08-08 4:29 ` Richard Henderson
2021-08-07 21:41 ` [PATCH for 6.2 03/49] bsd-user: Add Stacey's copyright to main.c Warner Losh
2021-08-08 4:30 ` Richard Henderson
2021-08-07 21:41 ` Warner Losh [this message]
2021-08-08 4:30 ` [PATCH for 6.2 04/49] bsd-user: Remove all non-x86 code from elfload.c Richard Henderson
2021-08-07 21:41 ` [PATCH for 6.2 05/49] bsd-user: move arch specific defines out of elfload.c Warner Losh
2021-08-08 4:35 ` Richard Henderson
2021-08-07 21:41 ` [PATCH for 6.2 06/49] bsd-user: merge comments and guards from bsd-user fork Warner Losh
2021-08-08 4:37 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 07/49] bsd-user: style nits: apply qemu style to these files Warner Losh
2021-08-08 4:38 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 08/49] bsd-user: style nits: fix whitespace issues to be qemu standard Warner Losh
2021-08-08 4:38 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 09/49] bsd-user: add license Warner Losh
2021-08-08 4:39 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 10/49] bsd-user: pass the bsd_param into loader_exec Warner Losh
2021-08-08 4:48 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 11/49] bsd-user: Fix calculation of size to allocate Warner Losh
2021-08-08 4:49 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 12/49] bsd-user: implement path searching Warner Losh
2021-08-08 5:11 ` Richard Henderson
2021-08-08 5:48 ` Kyle Evans
2021-08-08 17:22 ` Warner Losh
2021-08-07 21:42 ` [PATCH for 6.2 13/49] bsd-user: Eliminate elf personality Warner Losh
2021-08-08 5:12 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 14/49] bsd-user: remove a.out support Warner Losh
2021-08-08 5:14 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 15/49] bsd-user: TARGET_NGROUPS unused in this file, remove Warner Losh
2021-08-08 5:15 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 16/49] bsd-user: elfload: simplify bswap a bit Warner Losh
2021-08-08 5:17 ` Richard Henderson
2021-08-10 18:19 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 17/49] bsd-user: assume pthreads and support of __thread Warner Losh
2021-08-08 5:18 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 18/49] bsd-user: add host-os.h Warner Losh
2021-08-08 5:19 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 19/49] bsd-user: Include host-os.h from main Warner Losh
2021-08-08 5:20 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 20/49] bsd-user: save the path the qemu emulator Warner Losh
2021-08-08 5:24 ` Richard Henderson
2021-08-08 16:44 ` Warner Losh
2021-08-07 21:42 ` [PATCH for 6.2 21/49] bsd-user: start to move target CPU functions to target_arch* Warner Losh
2021-08-07 21:42 ` [PATCH for 6.2 22/49] bsd-user: Move per-cpu code into target_arch_cpu.h Warner Losh
2021-08-08 5:35 ` Richard Henderson
2021-08-08 6:03 ` Warner Losh
2021-08-08 6:16 ` Richard Henderson
2021-08-08 17:38 ` Warner Losh
2021-08-07 21:42 ` [PATCH for 6.2 23/49] bsd-user: pull in target_arch_thread.h update target_arch_elf.h Warner Losh
2021-08-08 6:24 ` Richard Henderson
2021-08-08 21:43 ` Warner Losh
2021-08-08 22:56 ` Warner Losh
2021-08-09 17:53 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 24/49] bsd-user: Include more things in qemu.h Warner Losh
2021-08-09 20:31 ` Richard Henderson
2021-08-10 2:35 ` Warner Losh
2021-08-07 21:42 ` [PATCH for 6.2 25/49] bsd-user: define max args in terms of pages Warner Losh
2021-08-09 20:33 ` Richard Henderson
2021-08-10 2:38 ` Warner Losh
2021-08-07 21:42 ` [PATCH for 6.2 26/49] bsd-user: Create target specific vmparam.h Warner Losh
2021-08-09 20:39 ` Richard Henderson
2021-08-10 2:44 ` Warner Losh
2021-08-07 21:42 ` [PATCH for 6.2 27/49] bsd-user: Add architecture specific signal tramp code Warner Losh
2021-08-09 20:39 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 28/49] bsd-user: Move stack initializtion into a per-os file Warner Losh
2021-08-09 21:00 ` Richard Henderson
2021-08-20 3:48 ` Warner Losh
2021-08-07 21:42 ` [PATCH for 6.2 29/49] bsd-user: Add system independent stack, data and text limiting Warner Losh
2021-08-09 21:05 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 30/49] bsd-user: elf cleanup Warner Losh
2021-08-09 23:47 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 31/49] bsd-user: Remove dead #ifdefs from elfload.c Warner Losh
2021-08-10 4:21 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 32/49] bsd-user: *BSD specific siginfo defintions Warner Losh
2021-08-10 4:26 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 33/49] bsd-user: Rewrite target system call definintion glue Warner Losh
2021-08-10 15:18 ` Richard Henderson
2021-08-20 1:10 ` Warner Losh
2021-08-07 21:42 ` [PATCH for 6.2 34/49] bsd-user: Fix initializtion of task state Warner Losh
2021-08-10 15:02 ` Richard Henderson
2021-08-10 22:28 ` Warner Losh
2021-08-07 21:42 ` [PATCH for 6.2 35/49] bsd-user: remove error_init Warner Losh
2021-08-10 15:07 ` Richard Henderson
2021-08-10 22:29 ` Warner Losh
2021-08-07 21:42 ` [PATCH for 6.2 36/49] bsd-user: Make cpu_model and cpu_type visible to all of main.c Warner Losh
2021-08-10 15:08 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 37/49] bsd-user: update debugging in mmap.c Warner Losh
2021-08-10 16:18 ` Richard Henderson
2021-08-10 22:34 ` Warner Losh
2021-08-10 23:36 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 38/49] bsd-user: Update mapping to handle reserved and starting conditions Warner Losh
2021-08-10 16:27 ` Richard Henderson
2021-08-10 22:38 ` Warner Losh
2021-08-07 21:42 ` [PATCH for 6.2 39/49] bsd-user: Need to reset CPU after creation Warner Losh
2021-08-10 16:32 ` Richard Henderson
2021-08-10 22:40 ` Warner Losh
2021-08-10 23:39 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 40/49] bsd-user: Add target_arch_reg to describe a target's register set Warner Losh
2021-08-10 16:44 ` Richard Henderson
2021-08-20 23:36 ` Warner Losh
2021-08-07 21:42 ` [PATCH for 6.2 41/49] bsd-user: Add target_os_user.h to capture the user/kernel structures Warner Losh
2021-08-10 16:46 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 42/49] bsd-user: add stubbed out core dump support Warner Losh
2021-08-10 17:27 ` Richard Henderson
2021-08-20 3:16 ` Warner Losh
2021-08-07 21:42 ` [PATCH for 6.2 43/49] bsd-user: elfload.c style catch up patch Warner Losh
2021-08-10 17:36 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 44/49] bsd-user: Refactor load_elf_sections and is_target_elf_binary Warner Losh
2021-08-10 17:55 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 45/49] bsd-user: Make guest_base an unsigned long Warner Losh
2021-08-10 17:58 ` Richard Henderson
2021-08-10 18:04 ` Warner Losh
2021-08-07 21:42 ` [PATCH for 6.2 46/49] bsd-user: move qemu_log to later in the file Warner Losh
2021-08-10 17:59 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 47/49] bsd-user: Implement interlock for atomic operations Warner Losh
2021-08-10 18:03 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 48/49] bsd-user: Implement cpu_copy() helper routine Warner Losh
2021-08-10 18:06 ` Richard Henderson
2021-08-07 21:42 ` [PATCH for 6.2 49/49] bsd-user: Add '-0 argv0' option to bsd-user/main.c Warner Losh
2021-08-10 18:08 ` Richard Henderson
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