diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/sysdep.h')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/sysdep.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/sysdeps/powerpc/powerpc32/sysdep.h b/sysdeps/powerpc/powerpc32/sysdep.h index c8a56aadbf..e16fe3e224 100644 --- a/sysdeps/powerpc/powerpc32/sysdep.h +++ b/sysdeps/powerpc/powerpc32/sysdep.h @@ -1,5 +1,5 @@ /* Assembly macros for 32-bit PowerPC. - Copyright (C) 1999-2014 Free Software Foundation, Inc. + Copyright (C) 1999-2015 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -88,7 +88,23 @@ GOT_LABEL: ; \ cfi_endproc; \ ASM_SIZE_DIRECTIVE(name) +#if ! IS_IN(rtld) && defined (ENABLE_LOCK_ELISION) +# define ABORT_TRANSACTION \ + cmpwi 2,0; \ + beq 1f; \ + lwz 0,TM_CAPABLE(2); \ + cmpwi 0,0; \ + beq 1f; \ + li 0,_ABORT_SYSCALL; \ + tabort. 0; \ + .align 4; \ +1: +#else +# define ABORT_TRANSACTION +#endif + #define DO_CALL(syscall) \ + ABORT_TRANSACTION \ li 0,syscall; \ sc |