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| author | Joseph Myers <joseph@codesourcery.com> | 2012-06-14 15:18:27 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-06-14 15:18:27 +0000 |
| commit | e525bc9c260c6dcb96cd08590a8a983701af9419 (patch) | |
| tree | 042b1f0692d1bc0df6f73b49eb3971b40ba69707 | |
| parent | 7fe70b0c0610a5dcc13f557468eabc91cdd34a27 (diff) | |
| download | glibc-e525bc9c260c6dcb96cd08590a8a983701af9419.zip glibc-e525bc9c260c6dcb96cd08590a8a983701af9419.tar.gz glibc-e525bc9c260c6dcb96cd08590a8a983701af9419.tar.bz2 | |
Fix MIPS32 frame-pointer forcing for more recent GCC.
| -rw-r--r-- | ChangeLog.mips | 6 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/mips32/sysdep.h | 5 |
2 files changed, 9 insertions, 2 deletions
diff --git a/ChangeLog.mips b/ChangeLog.mips index 853f286..9469b5c 100644 --- a/ChangeLog.mips +++ b/ChangeLog.mips @@ -1,3 +1,9 @@ +2012-06-14 Joseph Myers <joseph@codesourcery.com> + + * sysdeps/unix/sysv/linux/mips/mips32/sysdep.h + (FORCE_FRAME_POINTER): Assign result of alloca to a volatile + variable. + 2012-06-01 Joseph Myers <joseph@codesourcery.com> * sysdeps/mips/mips64/n32/s_fma.c: New file. diff --git a/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h b/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h index e51f329..8c024b0 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h +++ b/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h @@ -194,8 +194,9 @@ /* We need to use a frame pointer for the functions in which we adjust $sp around the syscall, or debug information and unwind information will be $sp relative and thus wrong during the syscall. As - of GCC 3.4.3, this is sufficient. */ -#define FORCE_FRAME_POINTER alloca (4) + of GCC 4.7, this is sufficient. */ +#define FORCE_FRAME_POINTER \ + void *volatile __fp_force __attribute__ ((unused)) = alloca (4) #define internal_syscall5(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5)\ ({ \ |