2000-08-02 15:15:00 +00:00
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/* Return backtrace of current program state.
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2005-06-14 15:55:44 +00:00
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Copyright (C) 2000, 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
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Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>.
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2000-08-02 15:15:00 +00:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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2001-07-06 04:58:11 +00:00
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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2000-08-02 15:15:00 +00:00
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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2001-07-06 04:58:11 +00:00
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Lesser General Public License for more details.
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2000-08-02 15:15:00 +00:00
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2001-07-06 04:58:11 +00:00
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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2000-08-02 15:15:00 +00:00
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Update.
2003-12-05 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/s390/s390-32/elf/setjmp.S (setjmp, __setjmp): Add END
statements.
* sysdeps/s390/s390-64/elf/setjmp.S (setjmp, __setjmp): Likewise.
* sysdeps/s390/s390-32/sysdep.h (ENTRY): Add cfi_startproc directive.
(END): Add cfi_endproc directive.
* sysdeps/s390/s390-64/sysdep.h (ENTRY, END): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/socket.S (__socket): Remove
cfi_startproc and cfi_endproc directive.
* sysdeps/unix/sysv/linux/s390/s390-64/socket.S (__socket): Likewise.
* sysdeps/s390/s390-32/addmul_1.S (__mpn_addmul_1): Add CFI directives.
* sysdeps/s390/s390-32/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-64/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-32/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-64/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-32/mul_1.S (__mpn_mul_1): Likewise.
* sysdeps/s390/s390-32/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/s390/s390-64/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S (__mmap64): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/clone.S (__clone): Add CFI
directives. Move thread_start out of ENTRY/PSEUDO_END block to
make backchain terminate.
* sysdeps/unix/sysv/linux/s390/s390-64/clone.S (__clone): Likewise.
* sysdeps/s390/s390-32/backtrace.c (trace_arg): New structure.
(unwind_backtrace, unwind_getip): New variables.
(init, __backchain_backtrace, backtrace_helper): New functions.
(__backtrace): Use unwind info for backtrace instead of backchain
walking if the unwind functions can be found.
* sysdeps/s390/s390-64/backtrace.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c: New file.
* sysdeps/unix/sysv/linux/s390/sys/procfs.h (ELF_NGREG32): New #define.
(elf_greg_t32, elf_gregset_t32, elf_fpregset_t32): New types.
(elf_prstatus32, elf_prpsinfo32): New structures.
(prgregset32_t, prfpregset32_t, prstatus32_t, prpsinfo32_t): New types.
* scripts/data/c++-types-s390-linux-gnu.data: New file.
* scripts/data/c++-types-s390x-linux-gnu.data: New file.
2003-12-06 00:20:16 +00:00
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#include <bits/libc-lock.h>
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#include <dlfcn.h>
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2000-08-02 15:15:00 +00:00
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#include <execinfo.h>
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#include <stddef.h>
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Update.
2003-12-05 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/s390/s390-32/elf/setjmp.S (setjmp, __setjmp): Add END
statements.
* sysdeps/s390/s390-64/elf/setjmp.S (setjmp, __setjmp): Likewise.
* sysdeps/s390/s390-32/sysdep.h (ENTRY): Add cfi_startproc directive.
(END): Add cfi_endproc directive.
* sysdeps/s390/s390-64/sysdep.h (ENTRY, END): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/socket.S (__socket): Remove
cfi_startproc and cfi_endproc directive.
* sysdeps/unix/sysv/linux/s390/s390-64/socket.S (__socket): Likewise.
* sysdeps/s390/s390-32/addmul_1.S (__mpn_addmul_1): Add CFI directives.
* sysdeps/s390/s390-32/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-64/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-32/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-64/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-32/mul_1.S (__mpn_mul_1): Likewise.
* sysdeps/s390/s390-32/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/s390/s390-64/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S (__mmap64): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/clone.S (__clone): Add CFI
directives. Move thread_start out of ENTRY/PSEUDO_END block to
make backchain terminate.
* sysdeps/unix/sysv/linux/s390/s390-64/clone.S (__clone): Likewise.
* sysdeps/s390/s390-32/backtrace.c (trace_arg): New structure.
(unwind_backtrace, unwind_getip): New variables.
(init, __backchain_backtrace, backtrace_helper): New functions.
(__backtrace): Use unwind info for backtrace instead of backchain
walking if the unwind functions can be found.
* sysdeps/s390/s390-64/backtrace.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c: New file.
* sysdeps/unix/sysv/linux/s390/sys/procfs.h (ELF_NGREG32): New #define.
(elf_greg_t32, elf_gregset_t32, elf_fpregset_t32): New types.
(elf_prstatus32, elf_prpsinfo32): New structures.
(prgregset32_t, prfpregset32_t, prstatus32_t, prpsinfo32_t): New types.
* scripts/data/c++-types-s390-linux-gnu.data: New file.
* scripts/data/c++-types-s390x-linux-gnu.data: New file.
2003-12-06 00:20:16 +00:00
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#include <stdlib.h>
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#include <unwind.h>
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2000-08-02 15:15:00 +00:00
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/* This is a global variable set at program start time. It marks the
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highest used stack address. */
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extern void *__libc_stack_end;
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/* This is the stack layout we see for every non-leaf function.
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size offset
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%r15 -> +------------------+
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4 | back chain | 0
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4 | end of stack | 4
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8 | glue | 8
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8 | scratch | 16
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40 | save area r6-r15 | 24
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16 | save area f4,f6 | 64
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16 | empty | 80
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+------------------+
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r14 in the save area holds the return address.
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*/
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struct layout
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{
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int back_chain;
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int end_of_stack;
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int glue[2];
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int scratch[2];
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int save_grps[10];
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int save_fp[4];
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int empty[2];
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};
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Update.
2003-12-05 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/s390/s390-32/elf/setjmp.S (setjmp, __setjmp): Add END
statements.
* sysdeps/s390/s390-64/elf/setjmp.S (setjmp, __setjmp): Likewise.
* sysdeps/s390/s390-32/sysdep.h (ENTRY): Add cfi_startproc directive.
(END): Add cfi_endproc directive.
* sysdeps/s390/s390-64/sysdep.h (ENTRY, END): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/socket.S (__socket): Remove
cfi_startproc and cfi_endproc directive.
* sysdeps/unix/sysv/linux/s390/s390-64/socket.S (__socket): Likewise.
* sysdeps/s390/s390-32/addmul_1.S (__mpn_addmul_1): Add CFI directives.
* sysdeps/s390/s390-32/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-64/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-32/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-64/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-32/mul_1.S (__mpn_mul_1): Likewise.
* sysdeps/s390/s390-32/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/s390/s390-64/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S (__mmap64): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/clone.S (__clone): Add CFI
directives. Move thread_start out of ENTRY/PSEUDO_END block to
make backchain terminate.
* sysdeps/unix/sysv/linux/s390/s390-64/clone.S (__clone): Likewise.
* sysdeps/s390/s390-32/backtrace.c (trace_arg): New structure.
(unwind_backtrace, unwind_getip): New variables.
(init, __backchain_backtrace, backtrace_helper): New functions.
(__backtrace): Use unwind info for backtrace instead of backchain
walking if the unwind functions can be found.
* sysdeps/s390/s390-64/backtrace.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c: New file.
* sysdeps/unix/sysv/linux/s390/sys/procfs.h (ELF_NGREG32): New #define.
(elf_greg_t32, elf_gregset_t32, elf_fpregset_t32): New types.
(elf_prstatus32, elf_prpsinfo32): New structures.
(prgregset32_t, prfpregset32_t, prstatus32_t, prpsinfo32_t): New types.
* scripts/data/c++-types-s390-linux-gnu.data: New file.
* scripts/data/c++-types-s390x-linux-gnu.data: New file.
2003-12-06 00:20:16 +00:00
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struct trace_arg
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{
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void **array;
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int cnt, size;
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};
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2004-06-11 20:12:55 +00:00
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#ifdef SHARED
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Update.
2003-12-05 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/s390/s390-32/elf/setjmp.S (setjmp, __setjmp): Add END
statements.
* sysdeps/s390/s390-64/elf/setjmp.S (setjmp, __setjmp): Likewise.
* sysdeps/s390/s390-32/sysdep.h (ENTRY): Add cfi_startproc directive.
(END): Add cfi_endproc directive.
* sysdeps/s390/s390-64/sysdep.h (ENTRY, END): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/socket.S (__socket): Remove
cfi_startproc and cfi_endproc directive.
* sysdeps/unix/sysv/linux/s390/s390-64/socket.S (__socket): Likewise.
* sysdeps/s390/s390-32/addmul_1.S (__mpn_addmul_1): Add CFI directives.
* sysdeps/s390/s390-32/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-64/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-32/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-64/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-32/mul_1.S (__mpn_mul_1): Likewise.
* sysdeps/s390/s390-32/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/s390/s390-64/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S (__mmap64): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/clone.S (__clone): Add CFI
directives. Move thread_start out of ENTRY/PSEUDO_END block to
make backchain terminate.
* sysdeps/unix/sysv/linux/s390/s390-64/clone.S (__clone): Likewise.
* sysdeps/s390/s390-32/backtrace.c (trace_arg): New structure.
(unwind_backtrace, unwind_getip): New variables.
(init, __backchain_backtrace, backtrace_helper): New functions.
(__backtrace): Use unwind info for backtrace instead of backchain
walking if the unwind functions can be found.
* sysdeps/s390/s390-64/backtrace.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c: New file.
* sysdeps/unix/sysv/linux/s390/sys/procfs.h (ELF_NGREG32): New #define.
(elf_greg_t32, elf_gregset_t32, elf_fpregset_t32): New types.
(elf_prstatus32, elf_prpsinfo32): New structures.
(prgregset32_t, prfpregset32_t, prstatus32_t, prpsinfo32_t): New types.
* scripts/data/c++-types-s390-linux-gnu.data: New file.
* scripts/data/c++-types-s390x-linux-gnu.data: New file.
2003-12-06 00:20:16 +00:00
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static _Unwind_Reason_Code (*unwind_backtrace) (_Unwind_Trace_Fn, void *);
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static _Unwind_Ptr (*unwind_getip) (struct _Unwind_Context *);
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static void
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init (void)
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{
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void *handle = __libc_dlopen ("libgcc_s.so.1");
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if (handle == NULL)
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return;
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unwind_backtrace = __libc_dlsym (handle, "_Unwind_Backtrace");
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unwind_getip = __libc_dlsym (handle, "_Unwind_GetIP");
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if (unwind_getip == NULL)
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unwind_backtrace = NULL;
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}
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2004-06-11 20:12:55 +00:00
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#else
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# define unwind_backtrace _Unwind_Backtrace
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# define unwind_getip _Unwind_GetIP
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#endif
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Update.
2003-12-05 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/s390/s390-32/elf/setjmp.S (setjmp, __setjmp): Add END
statements.
* sysdeps/s390/s390-64/elf/setjmp.S (setjmp, __setjmp): Likewise.
* sysdeps/s390/s390-32/sysdep.h (ENTRY): Add cfi_startproc directive.
(END): Add cfi_endproc directive.
* sysdeps/s390/s390-64/sysdep.h (ENTRY, END): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/socket.S (__socket): Remove
cfi_startproc and cfi_endproc directive.
* sysdeps/unix/sysv/linux/s390/s390-64/socket.S (__socket): Likewise.
* sysdeps/s390/s390-32/addmul_1.S (__mpn_addmul_1): Add CFI directives.
* sysdeps/s390/s390-32/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-64/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-32/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-64/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-32/mul_1.S (__mpn_mul_1): Likewise.
* sysdeps/s390/s390-32/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/s390/s390-64/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S (__mmap64): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/clone.S (__clone): Add CFI
directives. Move thread_start out of ENTRY/PSEUDO_END block to
make backchain terminate.
* sysdeps/unix/sysv/linux/s390/s390-64/clone.S (__clone): Likewise.
* sysdeps/s390/s390-32/backtrace.c (trace_arg): New structure.
(unwind_backtrace, unwind_getip): New variables.
(init, __backchain_backtrace, backtrace_helper): New functions.
(__backtrace): Use unwind info for backtrace instead of backchain
walking if the unwind functions can be found.
* sysdeps/s390/s390-64/backtrace.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c: New file.
* sysdeps/unix/sysv/linux/s390/sys/procfs.h (ELF_NGREG32): New #define.
(elf_greg_t32, elf_gregset_t32, elf_fpregset_t32): New types.
(elf_prstatus32, elf_prpsinfo32): New structures.
(prgregset32_t, prfpregset32_t, prstatus32_t, prpsinfo32_t): New types.
* scripts/data/c++-types-s390-linux-gnu.data: New file.
* scripts/data/c++-types-s390x-linux-gnu.data: New file.
2003-12-06 00:20:16 +00:00
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static int
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__backchain_backtrace (void **array, int size)
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2000-08-02 15:15:00 +00:00
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{
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/* We assume that all the code is generated with frame pointers set. */
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struct layout *stack;
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int cnt = 0;
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asm ("LR %0,%%r15" : "=d" (stack) );
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/* We skip the call to this function, it makes no sense to record it. */
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stack = (struct layout *) stack->back_chain;
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while (cnt < size)
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{
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|
if (stack == NULL || (void *) stack > __libc_stack_end)
|
|
|
|
/* This means the address is out of range. Note that for the
|
|
|
|
toplevel we see a frame pointer with value NULL which clearly is
|
|
|
|
out of range. */
|
|
|
|
break;
|
|
|
|
|
Update.
2003-12-05 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/s390/s390-32/elf/setjmp.S (setjmp, __setjmp): Add END
statements.
* sysdeps/s390/s390-64/elf/setjmp.S (setjmp, __setjmp): Likewise.
* sysdeps/s390/s390-32/sysdep.h (ENTRY): Add cfi_startproc directive.
(END): Add cfi_endproc directive.
* sysdeps/s390/s390-64/sysdep.h (ENTRY, END): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/socket.S (__socket): Remove
cfi_startproc and cfi_endproc directive.
* sysdeps/unix/sysv/linux/s390/s390-64/socket.S (__socket): Likewise.
* sysdeps/s390/s390-32/addmul_1.S (__mpn_addmul_1): Add CFI directives.
* sysdeps/s390/s390-32/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-64/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-32/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-64/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-32/mul_1.S (__mpn_mul_1): Likewise.
* sysdeps/s390/s390-32/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/s390/s390-64/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S (__mmap64): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/clone.S (__clone): Add CFI
directives. Move thread_start out of ENTRY/PSEUDO_END block to
make backchain terminate.
* sysdeps/unix/sysv/linux/s390/s390-64/clone.S (__clone): Likewise.
* sysdeps/s390/s390-32/backtrace.c (trace_arg): New structure.
(unwind_backtrace, unwind_getip): New variables.
(init, __backchain_backtrace, backtrace_helper): New functions.
(__backtrace): Use unwind info for backtrace instead of backchain
walking if the unwind functions can be found.
* sysdeps/s390/s390-64/backtrace.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c: New file.
* sysdeps/unix/sysv/linux/s390/sys/procfs.h (ELF_NGREG32): New #define.
(elf_greg_t32, elf_gregset_t32, elf_fpregset_t32): New types.
(elf_prstatus32, elf_prpsinfo32): New structures.
(prgregset32_t, prfpregset32_t, prstatus32_t, prpsinfo32_t): New types.
* scripts/data/c++-types-s390-linux-gnu.data: New file.
* scripts/data/c++-types-s390x-linux-gnu.data: New file.
2003-12-06 00:20:16 +00:00
|
|
|
array[cnt++] = (void *) (stack->save_grps[8] & 0x7fffffff);
|
2000-08-02 15:15:00 +00:00
|
|
|
|
|
|
|
stack = (struct layout *) stack->back_chain;
|
|
|
|
}
|
|
|
|
|
|
|
|
return cnt;
|
|
|
|
}
|
Update.
2003-12-05 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/s390/s390-32/elf/setjmp.S (setjmp, __setjmp): Add END
statements.
* sysdeps/s390/s390-64/elf/setjmp.S (setjmp, __setjmp): Likewise.
* sysdeps/s390/s390-32/sysdep.h (ENTRY): Add cfi_startproc directive.
(END): Add cfi_endproc directive.
* sysdeps/s390/s390-64/sysdep.h (ENTRY, END): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/socket.S (__socket): Remove
cfi_startproc and cfi_endproc directive.
* sysdeps/unix/sysv/linux/s390/s390-64/socket.S (__socket): Likewise.
* sysdeps/s390/s390-32/addmul_1.S (__mpn_addmul_1): Add CFI directives.
* sysdeps/s390/s390-32/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-64/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-32/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-64/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-32/mul_1.S (__mpn_mul_1): Likewise.
* sysdeps/s390/s390-32/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/s390/s390-64/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S (__mmap64): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/clone.S (__clone): Add CFI
directives. Move thread_start out of ENTRY/PSEUDO_END block to
make backchain terminate.
* sysdeps/unix/sysv/linux/s390/s390-64/clone.S (__clone): Likewise.
* sysdeps/s390/s390-32/backtrace.c (trace_arg): New structure.
(unwind_backtrace, unwind_getip): New variables.
(init, __backchain_backtrace, backtrace_helper): New functions.
(__backtrace): Use unwind info for backtrace instead of backchain
walking if the unwind functions can be found.
* sysdeps/s390/s390-64/backtrace.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c: New file.
* sysdeps/unix/sysv/linux/s390/sys/procfs.h (ELF_NGREG32): New #define.
(elf_greg_t32, elf_gregset_t32, elf_fpregset_t32): New types.
(elf_prstatus32, elf_prpsinfo32): New structures.
(prgregset32_t, prfpregset32_t, prstatus32_t, prpsinfo32_t): New types.
* scripts/data/c++-types-s390-linux-gnu.data: New file.
* scripts/data/c++-types-s390x-linux-gnu.data: New file.
2003-12-06 00:20:16 +00:00
|
|
|
|
|
|
|
static _Unwind_Reason_Code
|
|
|
|
backtrace_helper (struct _Unwind_Context *ctx, void *a)
|
|
|
|
{
|
|
|
|
struct trace_arg *arg = a;
|
|
|
|
|
|
|
|
/* We are first called with address in the __backtrace function.
|
|
|
|
Skip it. */
|
|
|
|
if (arg->cnt != -1)
|
|
|
|
arg->array[arg->cnt] = (void *) unwind_getip (ctx);
|
|
|
|
if (++arg->cnt == arg->size)
|
|
|
|
return _URC_END_OF_STACK;
|
|
|
|
return _URC_NO_REASON;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
__backtrace (void **array, int size)
|
|
|
|
{
|
|
|
|
struct trace_arg arg = { .array = array, .size = size, .cnt = -1 };
|
2004-06-11 20:12:55 +00:00
|
|
|
#ifdef SHARED
|
Update.
2003-12-05 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/s390/s390-32/elf/setjmp.S (setjmp, __setjmp): Add END
statements.
* sysdeps/s390/s390-64/elf/setjmp.S (setjmp, __setjmp): Likewise.
* sysdeps/s390/s390-32/sysdep.h (ENTRY): Add cfi_startproc directive.
(END): Add cfi_endproc directive.
* sysdeps/s390/s390-64/sysdep.h (ENTRY, END): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/socket.S (__socket): Remove
cfi_startproc and cfi_endproc directive.
* sysdeps/unix/sysv/linux/s390/s390-64/socket.S (__socket): Likewise.
* sysdeps/s390/s390-32/addmul_1.S (__mpn_addmul_1): Add CFI directives.
* sysdeps/s390/s390-32/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-64/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-32/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-64/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-32/mul_1.S (__mpn_mul_1): Likewise.
* sysdeps/s390/s390-32/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/s390/s390-64/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S (__mmap64): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/clone.S (__clone): Add CFI
directives. Move thread_start out of ENTRY/PSEUDO_END block to
make backchain terminate.
* sysdeps/unix/sysv/linux/s390/s390-64/clone.S (__clone): Likewise.
* sysdeps/s390/s390-32/backtrace.c (trace_arg): New structure.
(unwind_backtrace, unwind_getip): New variables.
(init, __backchain_backtrace, backtrace_helper): New functions.
(__backtrace): Use unwind info for backtrace instead of backchain
walking if the unwind functions can be found.
* sysdeps/s390/s390-64/backtrace.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c: New file.
* sysdeps/unix/sysv/linux/s390/sys/procfs.h (ELF_NGREG32): New #define.
(elf_greg_t32, elf_gregset_t32, elf_fpregset_t32): New types.
(elf_prstatus32, elf_prpsinfo32): New structures.
(prgregset32_t, prfpregset32_t, prstatus32_t, prpsinfo32_t): New types.
* scripts/data/c++-types-s390-linux-gnu.data: New file.
* scripts/data/c++-types-s390x-linux-gnu.data: New file.
2003-12-06 00:20:16 +00:00
|
|
|
__libc_once_define (static, once);
|
|
|
|
|
|
|
|
__libc_once (once, init);
|
2004-06-11 20:12:55 +00:00
|
|
|
#endif
|
Update.
2003-12-05 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/s390/s390-32/elf/setjmp.S (setjmp, __setjmp): Add END
statements.
* sysdeps/s390/s390-64/elf/setjmp.S (setjmp, __setjmp): Likewise.
* sysdeps/s390/s390-32/sysdep.h (ENTRY): Add cfi_startproc directive.
(END): Add cfi_endproc directive.
* sysdeps/s390/s390-64/sysdep.h (ENTRY, END): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/socket.S (__socket): Remove
cfi_startproc and cfi_endproc directive.
* sysdeps/unix/sysv/linux/s390/s390-64/socket.S (__socket): Likewise.
* sysdeps/s390/s390-32/addmul_1.S (__mpn_addmul_1): Add CFI directives.
* sysdeps/s390/s390-32/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-64/add_n.S (__mpn_add_n): Likewise.
* sysdeps/s390/s390-32/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-64/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Likewise.
* sysdeps/s390/s390-32/mul_1.S (__mpn_mul_1): Likewise.
* sysdeps/s390/s390-32/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/s390/s390-64/sub_n.S (__mpn_sub_n): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S (__mmap64): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/mmap.S (__mmap): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S (__syscall_error):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/clone.S (__clone): Add CFI
directives. Move thread_start out of ENTRY/PSEUDO_END block to
make backchain terminate.
* sysdeps/unix/sysv/linux/s390/s390-64/clone.S (__clone): Likewise.
* sysdeps/s390/s390-32/backtrace.c (trace_arg): New structure.
(unwind_backtrace, unwind_getip): New variables.
(init, __backchain_backtrace, backtrace_helper): New functions.
(__backtrace): Use unwind info for backtrace instead of backchain
walking if the unwind functions can be found.
* sysdeps/s390/s390-64/backtrace.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c: New file.
* sysdeps/unix/sysv/linux/s390/sys/procfs.h (ELF_NGREG32): New #define.
(elf_greg_t32, elf_gregset_t32, elf_fpregset_t32): New types.
(elf_prstatus32, elf_prpsinfo32): New structures.
(prgregset32_t, prfpregset32_t, prstatus32_t, prpsinfo32_t): New types.
* scripts/data/c++-types-s390-linux-gnu.data: New file.
* scripts/data/c++-types-s390x-linux-gnu.data: New file.
2003-12-06 00:20:16 +00:00
|
|
|
if (unwind_backtrace == NULL)
|
|
|
|
return __backchain_backtrace (array, size);
|
|
|
|
|
|
|
|
if (size >= 1)
|
|
|
|
unwind_backtrace (backtrace_helper, &arg);
|
|
|
|
|
|
|
|
return arg.cnt != -1 ? arg.cnt : 0;
|
|
|
|
}
|
|
|
|
|
2000-08-02 15:15:00 +00:00
|
|
|
weak_alias (__backtrace, backtrace)
|
2005-06-14 15:55:44 +00:00
|
|
|
libc_hidden_def (__backtrace)
|