lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-29 11:41:21 +03:00
Code Activity

PowerPC: fix backtrace to handle signal trampolines

Browse Source 
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.
This commit is contained in:
Adhemerval Zanella
2013-08-20 15:01:59 -05:00
parent c980f2f4fe
commit d400dcac5e
8 changed files with 172 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h
View File

@ -34,6 +34,13 @@ extern void *__vdso_getcpu;
extern void *__vdso_time;
#if defined(__PPC64__) || defined(__powerpc64__)
extern void *__vdso_sigtramp_rt64;
#else
extern void *__vdso_sigtramp32;
extern void *__vdso_sigtramp_rt32;
#endif
/* This macro is needed for PPC64 to return a skeleton OPD entry of a vDSO
symbol. This works because _dl_vdso_vsym always return the function
address, and no vDSO symbols use the TOC or chain pointers from the OPD