m2-internship/libunwind-eh_elf
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11 commits

Author SHA1 Message Date
Arun Sharma 781d5d5263 One time whitespace fixup. 
for f in $(find src include -name '*.[ch]'); do
  expand -t 8 $f > $tmp; mv $tmp $f;
done
 2014-09-27 09:47:23 -07:00
Ken Werner 7f41e701e3 Have tdep_get_elf_image available in case of UNW_REMOTE_ONLY 
Because it gets used by libunwind-ptrace.

Signed-off-by: Ken Werner <ken.werner@linaro.org>
 2011-10-15 23:10:28 -07:00
Arun Sharma 1787a2fd28 Add path and pathlen arguments to tdep_get_elf_image() 
Signed-off-by: Andris Zeila <andris.zeila@accenture.com>
 2010-05-15 12:14:09 -07:00
Paul Pluzhnikov b56375e76a Reduce stack use and apply CONFIG_DEBUG_FRAME to more code. 
Currently, libunwind allocates several PATH_MAX entries on stack, while
trying to find a binary via /proc/.../maps.

However stack space may be at premium (especially when sigaltstack is used),
and PATH_MAX on Linux is 4096, while SIGSTKSZ is only 8192 on x86.

Attached patch eliminates multiple PATH_MAX stack allocations, and simplifies
code in maps_next, at the cost of being unable to do anything if we can't
mmap one page. It appears to me that under such low-memory conditions,
libunwind will fail shortly elsewhere anyway.

This patch also disables more of debug_frame-handling code when
CONFIG_DEBUG_FRAME is undefined.

Tested on Linux/x86_64 with and without CONFIG_DEBUG_FRAME, no regressions.
 2009-10-07 12:51:03 -07:00
hp.com!davidm 07b01ad205 Include "libunwind_i.h" instead of "tdep.h" and "internal.h". 
(Logical change 1.294)
 2005-05-20 09:48:08 +00:00
mostang.com!davidm df77cf1ad7 (tdep_get_elf_image): Pass sizeof buffer to maps_next(). 
(Logical change 1.199)
 2004-03-31 07:38:06 +00:00
hp.com!davidm c4f5974dd1 Declare libunwind-entry-points as PROTECTED to ensure local uses get 
resolved within the library itself.

(Logical change 1.151)
 2004-01-03 10:50:24 +00:00
hp.com!davidm c974464933 Delete include of elf64.h. The "tdep.h" header-file is responsible 
for including the appropriate file.

(Logical change 1.130)
 2003-11-27 06:52:54 +00:00
mostang.com!davidm d098282ff5 Include "tdep.h". 
(Logical change 1.59)
 2003-03-06 06:14:36 +00:00
mostang.com!davidm 824d6619b5 (Logical change 1.45) 2003-02-08 10:10:59 +00:00
mostang.com!davidm 5f94e2d488 Initial revision 2003-02-08 10:10:59 +00:00