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| author | Chris Metcalf <cmetcalf@tilera.com> | 2012-05-11 18:08:03 -0400 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2012-05-14 15:46:13 -0400 |
| commit | 024bb7b4a22e62faf932a7b9f071322716727d2d (patch) | |
| tree | d43149708f179665e73c4c3910518fa613f5a3f9 | |
| parent | 8daa704ea4c8936eb033317bf2d20d82b3226553 (diff) | |
| download | glibc-024bb7b4a22e62faf932a7b9f071322716727d2d.tar.xz glibc-024bb7b4a22e62faf932a7b9f071322716727d2d.zip | |
tile: fix bug in CFI definitions for clone.S
We were missing a critical cfi_def_cfa_offset call in .Lthread_start
which caused backtracing to get badly confused for threads.
| -rw-r--r-- | ChangeLog.tile | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/tile/nptl/clone.S | 3 |
2 files changed, 6 insertions, 1 deletions
diff --git a/ChangeLog.tile b/ChangeLog.tile index f2eb35a7f9..ae048ddd34 100644 --- a/ChangeLog.tile +++ b/ChangeLog.tile @@ -1,5 +1,9 @@ 2012-05-12 Chris Metcalf <cmetcalf@tilera.com> + * sysdeps/unix/sysv/linux/tile/nptl/clone.S: Add missing CFI. + +2012-05-12 Chris Metcalf <cmetcalf@tilera.com> + * sysdeps/tile/tls-macros.h: Fix buggy TLS_GD, etc., macros. 2012-05-12 Chris Metcalf <cmetcalf@tilera.com> diff --git a/sysdeps/unix/sysv/linux/tile/nptl/clone.S b/sysdeps/unix/sysv/linux/tile/nptl/clone.S index eaa2fd65a5..de4fa136d3 100644 --- a/sysdeps/unix/sysv/linux/tile/nptl/clone.S +++ b/sysdeps/unix/sysv/linux/tile/nptl/clone.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2011 Free Software Foundation, Inc. +/* Copyright (C) 2011-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. @@ -167,6 +167,7 @@ ENTRY (__clone) in getpid(). Otherwise (if CLONE_VM isn't set), it's a fork-like clone, and we go ahead and write the cached values from the true system pid (retrieved via __NR_getpid syscall). */ + cfi_def_cfa_offset (FRAME_SIZE) #ifdef __tilegx__ { moveli r0, hw1_last(CLONE_VM) |