From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44802) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fzeMg-0001op-Tp for qemu-devel@nongnu.org; Tue, 11 Sep 2018 04:49:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fzeMd-0008Ah-HX for qemu-devel@nongnu.org; Tue, 11 Sep 2018 04:49:42 -0400 Received: from mail-wr1-x434.google.com ([2a00:1450:4864:20::434]:44173) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fzeMc-0008A8-VP for qemu-devel@nongnu.org; Tue, 11 Sep 2018 04:49:39 -0400 Received: by mail-wr1-x434.google.com with SMTP id v16-v6so24710210wro.11 for ; Tue, 11 Sep 2018 01:49:38 -0700 (PDT) References: <153660698641.24944.17107147595708483311.malonedeb@gac.canonical.com> From: Alex =?utf-8?Q?Benn=C3=A9e?= In-reply-to: <153660698641.24944.17107147595708483311.malonedeb@gac.canonical.com> Date: Tue, 11 Sep 2018 09:49:36 +0100 Message-ID: <87zhwobeqn.fsf@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [Bug 1791796] [NEW] unimplemented thread syscalls in nios2 user-mode emulation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Bug 1791796 <1791796@bugs.launchpad.net> Cc: qemu-devel@nongnu.org Sandra Loosemore <1791796@bugs.launchpad.net> writes: > Public bug reported: > > This bug is reported against the 3.0 release. > > I noticed that the GCC test gcc.dg/torture/tls/tls-test.c is failing > when run in user-mode qemu for nios2 target. The problem appears to be > that the thread-related syscalls are unimplemented in qemu. Here is > output from running with -strace: One thing that would help in better supporting NIOS is if we could add support for building linux-user tests for it in test/tcg. For this we need a distribution that ships a decent cross compiler or create a docker recipe that packages it up so we can build and run the tests. Are you just building GCC straight from source or can you point to a recommended location for a decent packaged gcc? > > 22484 brk(NULL) =3D 0x00005000 > 22484 uname(0x7fffef5a) =3D 0 > 22484 faccessat(AT_FDCWD,"/etc/ld.so.preload",R_OK,0x5) =3D -1 errno=3D2 = (No such file or directory) > 22484 openat(AT_FDCWD,"/scratch/sandra/nios2-linux-trunk3/obj/test-2018.1= 1-999999-nios2-linux-gnu/host-x86_64-linux-gnu/sourceryg++-2018.11/nios2-li= nux-gnu/libc/./lib/./tls/libm.so.6",O_RDONLY|O_LARGEFILE|O_CLOEXEC) =3D -1 = errno=3D2 (No such file or directory) > 22484 fstatat64(AT_FDCWD,"/scratch/sandra/nios2-linux-trunk3/obj/test-201= 8.11-999999-nios2-linux-gnu/host-x86_64-linux-gnu/sourceryg++-2018.11/nios2= -linux-gnu/libc/./lib/./tls",0x7fffe870,0) =3D -1 errno=3D2 (No such file o= r directory) > 22484 openat(AT_FDCWD,"/scratch/sandra/nios2-linux-trunk3/obj/test-2018.1= 1-999999-nios2-linux-gnu/host-x86_64-linux-gnu/sourceryg++-2018.11/nios2-li= nux-gnu/libc/./lib/./libm.so.6",O_RDONLY|O_LARGEFILE|O_CLOEXEC) =3D 3 > 22484 read(3,0x7fffe954,512) =3D 512 > 22484 fstat64(3,0x7fffe870) =3D 0 > 22484 mmap2(NULL,803596,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0= ) =3D 0x7f716000 > 22484 mmap2(0x7f7d8000,12288,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRI= TE|MAP_FIXED,3,0xc1) =3D 0x7f7d8000 > 22484 close(3) =3D 0 > 22484 openat(AT_FDCWD,"/scratch/sandra/nios2-linux-trunk3/obj/test-2018.1= 1-999999-nios2-linux-gnu/host-x86_64-linux-gnu/sourceryg++-2018.11/nios2-li= nux-gnu/libc/./lib/./libpthread.so.0",O_RDONLY|O_LARGEFILE|O_CLOEXEC) =3D 3 > 22484 read(3,0x7fffe948,512) =3D 512 > 22484 mmap2(NULL,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS,-1,0= ) =3D 0x7f714000 > 22484 fstat64(3,0x7fffe864) =3D 0 > 22484 mmap2(NULL,120700,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0= ) =3D 0x7f6f6000 > 22484 mprotect(0x7f70e000,4096,PROT_NONE) =3D 0 > 22484 mmap2(0x7f70f000,12288,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRI= TE|MAP_FIXED,3,0x18) =3D 0x7f70f000 > 22484 mmap2(0x7f712000,6012,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOU= S|MAP_FIXED,-1,0) =3D 0x7f712000 > 22484 close(3) =3D 0 > 22484 openat(AT_FDCWD,"/scratch/sandra/nios2-linux-trunk3/obj/test-2018.1= 1-999999-nios2-linux-gnu/host-x86_64-linux-gnu/sourceryg++-2018.11/nios2-li= nux-gnu/libc/./lib/./libc.so.6",O_RDONLY|O_LARGEFILE|O_CLOEXEC) =3D 3 > 22484 read(3,0x7fffe93c,512) =3D 512 > 22484 fstat64(3,0x7fffe858) =3D 0 > 22484 mmap2(NULL,1491048,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,= 0) =3D 0x7f589000 > 22484 mmap2(0x7f6de000,86016,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRI= TE|MAP_FIXED,3,0x154) =3D 0x7f6de000 > 22484 mmap2(0x7f6f3000,8296,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOU= S|MAP_FIXED,-1,0) =3D 0x7f6f3000 > 22484 close(3) =3D 0 > 22484 mprotect(0x7f6de000,65536,PROT_READ) =3D 0 > 22484 mprotect(0x7f70f000,8192,PROT_READ) =3D 0 > 22484 mprotect(0x7f7d8000,4096,PROT_READ) =3D 0 > 22484 mprotect(0x00003000,4096,PROT_READ) =3D 0 > 22484 mprotect(0x7f7fc000,4096,PROT_READ) =3D 0 > 22484 set_tid_address(2138131700,2147480980,2147480988,2147480988,87148,4= 7) =3D 22484 > 22484 set_robust_list(2138131708,12,2147480988,0,87148,47) =3D -1 errno= =3D38 (Function not implemented) > 22484 rt_sigaction(32,0x7ffff36c,NULL) =3D 0 > 22484 rt_sigaction(33,0x7ffff36c,NULL) =3D -1 errno=3D22 (Invalid argumen= t) > 22484 rt_sigprocmask(SIG_UNBLOCK,0x7ffff4a8,NULL) =3D 0 > 22484 getrlimit(3,2147480732,3,0,62512,47) =3D 0 > 22484 mmap2(NULL,8392704,PROT_NONE,MAP_PRIVATE|MAP_ANONYMOUS|0x20000,-1,0= ) =3D 0x7ed88000 > 22484 mprotect(0x7ed89000,8388608,PROT_READ|PROT_WRITE) =3D 0 > 22484 brk(NULL) =3D 0x00005000 > 22484 brk(0x00026000) =3D 0x00026000 > 22484 clone(CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLON= E_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID,child_stack= =3D0x7f588018,parent_tidptr=3D0x7f5884fc,tls=3D0x7f58f928,child_tidptr=3D0x= 7f5884fc) =3D 22503 > 22484 io_setup(4001536,2136506392,2136507644,2136507644,2136537384,4100) = =3D -1 errno=3D38 (Function not implemented) > 22484 futex(0x7f5884fc,FUTEX_WAIT,22503,NULL,NULL,0)22484 set_robust_list= (2136507652,12,0,4100,2136508076,4100) =3D -1 errno=3D38 (Function not impl= emented) > 22484 madvise(2128117760,8372224,4,2136507672,528660,4100) =3D 0 > 22484 exit(0) > =3D 0 > 22484 fstat64(1,0x7fffef48) =3D 0 > 22484 write(1,0x51e8,42)FAIL: a=3D 10, thr_a =3D 10 Addr =3D 0x7f715120 > =3D 42 > 22484 exit_group(1) > sandra@build2-trusty-cs:/scratch/sandra/nios2-linux-trunk3$ > 22484 mmap2(NULL,1491048,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,= 0) =3D 0x7f589000 > 22484 mmap2(0x7f6de000,86016,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRI= TE|MAP_FIXED,3,0x154) =3D 0x7f6de000 > 22484 mmap2(0x7f6f3000,8296,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOU= S|MAP_FIXED,-1,0) =3D 0x7f6f3000 > 22484 close(3) =3D 0 > 22484 mprotect(0x7f6de000,65536,PROT_READ) =3D 0 > 22484 mprotect(0x7f70f000,8192,PROT_READ) =3D 0 > 22484 mprotect(0x7f7d8000,4096,PROT_READ) =3D 0 > 22484 mprotect(0x00003000,4096,PROT_READ) =3D 0 > 22484 mprotect(0x7f7fc000,4096,PROT_READ) =3D 0 > 22484 set_tid_address(2138131700,2147480980,2147480988,2147480988,87148,4= 7) =3D 22484 > 22484 set_robust_list(2138131708,12,2147480988,0,87148,47) =3D -1 errno= =3D38 (Function not implemented) > 22484 rt_sigaction(32,0x7ffff36c,NULL) =3D 0 > 22484 rt_sigaction(33,0x7ffff36c,NULL) =3D -1 errno=3D22 (Invalid argumen= t) > 22484 rt_sigprocmask(SIG_UNBLOCK,0x7ffff4a8,NULL) =3D 0 > 22484 getrlimit(3,2147480732,3,0,62512,47) =3D 0 > 22484 mmap2(NULL,8392704,PROT_NONE,MAP_PRIVATE|MAP_ANONYMOUS|0x20000,-1,0= ) =3D 0x7ed88000 > 22484 mprotect(0x7ed89000,8388608,PROT_READ|PROT_WRITE) =3D 0 > 22484 brk(NULL) =3D 0x00005000 > 22484 brk(0x00026000) =3D 0x00026000 > 22484 clone(CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLON= E_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID,child_stack= =3D0x7f588018,parent_tidptr=3D0x7f5884fc,tls=3D0x7f58f928,child_tidptr=3D0x= 7f5884fc) =3D 22503 > 22484 io_setup(4001536,2136506392,2136507644,2136507644,2136537384,4100) = =3D -1 errno=3D38 (Function not implemented) > 22484 futex(0x7f5884fc,FUTEX_WAIT,22503,NULL,NULL,0)22484 set_robust_list= (2136507652,12,0,4100,2136508076,4100) =3D -1 errno=3D38 (Function not impl= emented) > 22484 madvise(2128117760,8372224,4,2136507672,528660,4100) =3D 0 > 22484 exit(0) > =3D 0 > 22484 fstat64(1,0x7fffef48) =3D 0 > 22484 write(1,0x51e8,42)FAIL: a=3D 10, thr_a =3D 10 Addr =3D 0x7f715120 > =3D 42 > 22484 exit_group(1) > sandra@build2-trusty-cs:/scratch/sandra/nios2-linux-trunk3$ > 22484 mmap2(NULL,1491048,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,= 0) =3D 0x7f589000 > 22484 mmap2(0x7f6de000,86016,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRI= TE|MAP_FIXED,3,0x154) =3D 0x7f6de000 > 22484 mmap2(0x7f6f3000,8296,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOU= S|MAP_FIXED,-1,0) =3D 0x7f6f3000 > 22484 close(3) =3D 0 > 22484 mprotect(0x7f6de000,65536,PROT_READ) =3D 0 > 22484 mprotect(0x7f70f000,8192,PROT_READ) =3D 0 > 22484 mprotect(0x7f7d8000,4096,PROT_READ) =3D 0 > 22484 mprotect(0x00003000,4096,PROT_READ) =3D 0 > 22484 mprotect(0x7f7fc000,4096,PROT_READ) =3D 0 > 22484 set_tid_address(2138131700,2147480980,2147480988,2147480988,87148,4= 7) =3D 22484 > 22484 set_robust_list(2138131708,12,2147480988,0,87148,47) =3D -1 errno= =3D38 (Function not implemented) > 22484 rt_sigaction(32,0x7ffff36c,NULL) =3D 0 > 22484 rt_sigaction(33,0x7ffff36c,NULL) =3D -1 errno=3D22 (Invalid argumen= t) > 22484 rt_sigprocmask(SIG_UNBLOCK,0x7ffff4a8,NULL) =3D 0 > 22484 getrlimit(3,2147480732,3,0,62512,47) =3D 0 > 22484 mmap2(NULL,8392704,PROT_NONE,MAP_PRIVATE|MAP_ANONYMOUS|0x20000,-1,0= ) =3D 0x7ed88000 > 22484 mprotect(0x7ed89000,8388608,PROT_READ|PROT_WRITE) =3D 0 > 22484 brk(NULL) =3D 0x00005000 > 22484 brk(0x00026000) =3D 0x00026000 > 22484 clone(CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLON= E_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID,child_stack= =3D0x7f588018,parent_tidptr=3D0x7f5884fc,tls=3D0x7f58f928,child_tidptr=3D0x= 7f5884fc) =3D 22503 > 22484 io_setup(4001536,2136506392,2136507644,2136507644,2136537384,4100) = =3D -1 errno=3D38 (Function not implemented) > 22484 futex(0x7f5884fc,FUTEX_WAIT,22503,NULL,NULL,0)22484 set_robust_list= (2136507652,12,0,4100,2136508076,4100) =3D -1 errno=3D38 (Function not impl= emented) > 22484 madvise(2128117760,8372224,4,2136507672,528660,4100) =3D 0 > 22484 exit(0) > =3D 0 > 22484 fstat64(1,0x7fffef48) =3D 0 > 22484 write(1,0x51e8,42)FAIL: a=3D 10, thr_a =3D 10 Addr =3D 0x7f715120 > =3D 42 > 22484 exit_group(1) > > Note that set_robust_list and clone are reported as unimplemented. > > I've reported the problems with the signal syscalls separately here. > https://bugs.launchpad.net/qemu/+bug/1791763 > > ** Affects: qemu > Importance: Undecided > Status: New -- Alex Benn=C3=A9e