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Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S')
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S14
1 files changed, 13 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S
index 59dfb82ef5..ddbf40b8d9 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S
@@ -21,9 +21,11 @@
#define __ASSEMBLY__
#include <asm/ptrace.h>
+#include <asm/errno.h>
#include "ucontext_i.h"
ENTRY(__getcontext)
+#ifdef __ASSUME_NEW_RT_SIGRETURN_SYSCALL
std r0,(SIGCONTEXT_GP_REGS+(PT_R0*8))(r3)
std r1,(SIGCONTEXT_GP_REGS+(PT_R1*8))(r3)
mflr r0
@@ -126,8 +128,18 @@ ENTRY(__getcontext)
addi r5,r3,UCONTEXT_SIGMASK
li r4,0
li r3,SIG_BLOCK
- bl .sigprocmask
+ bl JUMPTARGET(sigprocmask)
nop
+#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
+#endif
ld r0,128+FRAME_LR_SAVE(r1)
addi r1,r1,128