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-rw-r--r--arch/ia64/kernel/entry.S6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 0dd6c14..d435f4a 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -499,6 +499,7 @@ GLOBAL_ENTRY(prefetch_stack)
END(prefetch_stack)
GLOBAL_ENTRY(kernel_execve)
+ rum psr.ac
mov r15=__NR_execve // put syscall number in place
break __BREAK_SYSCALL
br.ret.sptk.many rp
@@ -534,6 +535,11 @@ GLOBAL_ENTRY(ia64_trace_syscall)
stf.spill [r16]=f10
stf.spill [r17]=f11
br.call.sptk.many rp=syscall_trace_enter // give parent a chance to catch syscall args
+ cmp.lt p6,p0=r8,r0 // check tracehook
+ adds r2=PT(R8)+16,sp // r2 = &pt_regs.r8
+ adds r3=PT(R10)+16,sp // r3 = &pt_regs.r10
+ mov r10=0
+(p6) br.cond.sptk strace_error // syscall failed ->
adds r16=PT(F6)+16,sp
adds r17=PT(F7)+16,sp
;;