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| author | H.J. Lu <hjl.tools@gmail.com> | 2020-04-06 06:02:11 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2020-04-06 06:44:33 -0700 |
| commit | f90a7e96df87edadd503a0a32aa70fb97c55a044 (patch) | |
| tree | d3e625a0d15c1480e1afccd47c52d9c9b06508fe | |
| parent | f9ac84f92f151e07586c55e14ed628d493a5929d (diff) | |
| download | glibc-f90a7e96df87edadd503a0a32aa70fb97c55a044.tar.gz glibc-f90a7e96df87edadd503a0a32aa70fb97c55a044.tar.xz glibc-f90a7e96df87edadd503a0a32aa70fb97c55a044.zip | |
i386: Disable check_consistency for GCC 5 and above [BZ #25788]
check_consistency should be disabled for GCC 5 and above since there is no fixed PIC register in GCC 5 and above. Check __GNUC_PREREQ (5,0) instead OPTIMIZE_FOR_GCC_5 since OPTIMIZE_FOR_GCC_5 is false with -fno-omit-frame-pointer.
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/sysdep.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h index 5e3888060b..6671afe65e 100644 --- a/sysdeps/unix/sysv/linux/i386/sysdep.h +++ b/sysdeps/unix/sysv/linux/i386/sysdep.h @@ -580,8 +580,9 @@ struct libc_do_syscall_args # define EXTRAVAR_5 #endif -/* Consistency check for position-independent code. */ -#if defined __PIC__ && !defined OPTIMIZE_FOR_GCC_5 +/* Consistency check for position-independent code. Disabled for GCC 5 + and above since there is no fixed PIC register in GCC 5 and above. */ +#if defined __PIC__ && !__GNUC_PREREQ (5,0) # define check_consistency() \ ({ int __res; \ __asm__ __volatile__ \ |