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Christopher Ferris a57c9c084b Fix all debug directives.

The backtrace when a fortify check failed was not correct. This change
adds all of the necessary directives to get a correct backtrace.

Fix the strcmp directives and change all labels to local labels.

Testing:
- Verify that the runtime can decode the stack for __memcpy_chk, __memset_chk,
  __strcpy_chk, __strcat_chk fortify failures.
- Verify that gdb can decode the stack properly when hitting a fortify check.
- Verify that the runtime can decode the stack for a seg fault for all of the
  _chk functions and for memcpy/memset.
- Verify that gdb can decode the stack for a seg fault for all of the _chk
  functions and for memcpy/memset.
- Verify that the runtime can decode the stack for a seg fault for strcmp.
- Verify that gdb can decode the stack for a seg fault in strcmp.

Bug: 10342460
Bug: 10345269

Merge from internal master.

(cherry-picked from 05332f2ce7e542d32ff4d5cd9f60248ad71fbf0d)

Change-Id: Ibc919b117cfe72b9ae97e35bd48185477177c5ca

2013-09-20 18:59:58 -07:00

libc

Fix all debug directives.

2013-09-20 18:59:58 -07:00

libdl

Add the dl_iterate_phdr function to libdl for arm.

2013-09-06 09:53:54 -07:00

libm

Take upstream libm changes.

2013-06-12 16:37:58 -07:00

libstdc++

Clean up internal libc logging.