diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/sysdep.h')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/sysdep.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/sysdep.h b/sysdeps/powerpc/powerpc32/sysdep.h index ff05e76047..e16fe3e224 100644 --- a/sysdeps/powerpc/powerpc32/sysdep.h +++ b/sysdeps/powerpc/powerpc32/sysdep.h @@ -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 |