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Author SHA1 Message Date
Lassi Tuura 9e98f15e9a Fast back-trace for x86_64 for only collecting the call stack.
Adds new function to perform a pure stack walk without unwinding,
functionally similar to backtrace() but accelerated by an address
attribute cache the caller maintains across calls.
2011-03-24 22:33:17 -07:00
Arun Sharma 546463d1e7 Factor out and export dwarf_find_debug_frame() function
Signed-off-by: Andris Zeila <andris.zeila@accenture.com>
2010-05-26 19:21:30 -07:00
Arun Sharma 8e53e62db9 Refactor os specific code for x86 (both 32 and 64 bit).
Move Linux specific code into ${arch}/Gos-linux.c
2010-04-04 16:46:13 -07:00
Arun Sharma 2fce54102c Implement _Unwind_GetIPInfo() as required by the C++ ABI
Provide a special implementation for ia64, because the unwind
information is such that an IP adjustment is not necessary before
looking up unwind info.

Bad things happen if libunwind only provides parts of the ABI and
the rest come from libgcc.

Signed-off-by: Jan Kratochvil <jan.kratochvil@redhat.com>
2009-04-02 22:22:05 -07:00
Arun Sharma 1227c41d20 Disable C++ exception support by default on x86. 2009-03-16 21:57:08 -07:00
Arun Sharma 83cef8b8f5 Don't check C++ ABI when it's not enabled. 2009-03-16 21:34:49 -07:00
Arun Sharma ef29eade44 This patch eliminates one system call per unwind by not using the
getcontext in libc.

Also cleanup the namespace (check-name-space passes on x86_64 now).
Replace uses of offsets.h with ucontext_i.h.
Rename _x86_64_setcontext to _Ux86_64_setcontext.

TBD: Add CFI annotations for get/setcontext.

Signed-off-by: Paul Pluzhnikov <ppluzhnikov@google.com>
Signed-off-by: Arun Sharma <arun.sharma@google.com>
2008-06-16 14:42:16 -06:00
Bruna Moreira 6f282a00f5 [ARM] This patch fix some testsuite issues on ARM:
- Gtest-bt: like on x86/-64, the stack size passed to sigaltstack() is
  too small for ARM thus causing segmentation fault due to stack
  overflow.

- Gtest-dyn1: code size definition of dynamic function (template()) on
  testcase is too big for ARM architecture so memcpy() reads invalid
  memory causing random crashes (segmentation fault). A better
  solution would be to compile the function in a separate binary,
  mmap() it and memcpy() from it instead, so maximum size is known for
  sure.

- check-name-space.in: fix some "bashisms", it causes the script to
  fail to run on N8XX's busybox shell.

Signed-off-by: Anderson Lizardo <anderson.lizardo@indt.org.br>
Signed-off-by: Bruna Moreira <bruna.moreira@indt.org.br>
2008-04-21 13:39:11 -06:00
hp.com!davidm b09eae1203 On PA-Linux, allow for _Uhppa_setcontext symbol.
2004/12/02 18:37:47-08:00 hp.com!davidm
Allow _U${plat}_get_elf_image symbol on HPPA, too.

2004/12/02 00:40:45-08:00 mostang.com!davidm
Add support for hppa.

2004/11/30 22:44:47-08:00 mostang.com!davidm
Add rules for x86-64.

(Logical change 1.290)
2005-05-03 09:13:17 +00:00
homeip.net!davidm efa755a556 Add checks for __libunwind_* aliases.
(Logical change 1.255)
2004-08-20 11:35:37 +00:00
bea.com!thallgre 511d542828 (check_local_unw_abi): Check for _U${plat}_strerror().
(check_generic_unw_abi): Likewise.

(Logical change 1.245)
2004-08-18 15:16:46 +00:00
hp.com!davidm 72a03113c8 ia64: For remote-only-case, don't expect to find _Uia64_get_elf_image9) or
_Uia64_get_kernel_table().

(Logical change 1.234)
2004-05-07 00:30:27 +00:00
hp.com!davidm d7f8bd62d4 Add x86-specific checks.
(Logical change 1.233)
2004-05-06 22:02:00 +00:00
mostang.com!davidm 74b22fed4c (check_generic_unw_abi): Check for _U${plat}_get_kernel_table() on
linux only.

(Logical change 1.227)
2004-05-05 05:03:20 +00:00
mostang.com!davidm 3640bb40a2 (Logical change 1.225) 2004-05-05 01:58:44 +00:00
mostang.com!davidm 3db9cf3812 Initial revision 2004-05-05 01:58:44 +00:00