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| author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2013-08-20 15:01:59 -0500 |
|---|---|---|
| committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2013-08-20 15:05:49 -0500 |
| commit | d400dcac5e66047f86291d1a4b90fffb6327dc43 (patch) | |
| tree | d2ff562dde1ad639f96e9fbe163e07b94d782854 /ChangeLog | |
| parent | c980f2f4fe0f5d301f706017a1f7e4e942193ec0 (diff) | |
| download | glibc-d400dcac5e66047f86291d1a4b90fffb6327dc43.zip glibc-d400dcac5e66047f86291d1a4b90fffb6327dc43.tar.gz glibc-d400dcac5e66047f86291d1a4b90fffb6327dc43.tar.bz2 | |
PowerPC: fix backtrace to handle signal trampolines
This patch fixes backtrace for PPC32 and PPC64 to correctly handle
signal trampolines. The 'debug/tst-backtrace6.c' also check for
SA_SIGINFO handling, where is triggers another vDSO symbols for PPC32.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 17 |
1 files changed, 17 insertions, 0 deletions
@@ -1,3 +1,20 @@ +2013-07-23 Adhemerval Zanella <azanella@linux.vnet.ibm.com> + + [BZ #15867] + * sysdeps/powerpc/powerpc32/backtrace.c (__backtrace): Handle signal + trampoline stack frame information. + * sysdeps/powerpc/powerpc64/backtrace.c (__backtrace): Likewise. + * sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h + (__vdso_sigtramp_rt64): New variable: PPC64 signal trampoline. + (__vdso_sigtramp32): New variable: PPC32 signal trampoline. + (__vdso_sigtramp_rt32): New variable: PPC32 signal trampoline. + * sysdeps/unix/sysv/linux/powerpc/init-first.c + (_libc_vdso_platform_setup): Initialize the signal trampolines. + * debug/tst-backtrace5.c (fn): Add an option set modify sigaction + sa_flags value. + * debug/tst-backtrace6.c: New file: check backtrace for signal frames, + interrupting a syscall and set with option SA_SIGINFO. + 2013-08-20 Joseph Myers <joseph@codesourcery.com> [BZ #15531] |