diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S index 29dd17ffe4..08ce90177b 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S @@ -22,8 +22,10 @@ #define __ASSEMBLY__ #include <asm/ptrace.h> #include "ucontext_i.h" +#include <asm/errno.h> ENTRY(__makecontext) +#ifdef __ASSUME_NEW_RT_SIGRETURN_SYSCALL /* Save parameters into the parameter save area of callers frame. */ std r3,FRAME_PARM1_SAVE(r1) /* ucontext_t *ucp */ std r4,FRAME_PARM2_SAVE(r1) /* void (*func)(void) */ @@ -156,6 +158,20 @@ L(gotexitcodeaddr): addi r1,r1,128 mtlr r0 blr +#else + /* If the kernel is not at least 2.4.21 then generate a ENOSYS stub. */ + mflr r0 + std r0,FRAME_LR_SAVE(r1) + stdu r1,-128(r1) + li r3,ENOSYS + bl JUMPTARGET(__syscall_error) + nop + li r3,-1 + ld r0,128+FRAME_LR_SAVE(r1) + addi r1,r1,128 + mtlr r0 + blr +#endif END(__makecontext) weak_alias(__makecontext, makecontext) |