From f14488ccfe0f41207e40520fab60dce356ed9e57 Mon Sep 17 00:00:00 2001 From: Shaohua Li Date: Mon, 6 Oct 2008 10:43:06 -0700 Subject: [IA64] utrace use generic trace hook Make IA64 use generic trace hook in some paths. Signed-off-by: Shaohua Li Signed-off-by: Tony Luck --- arch/ia64/ia32/ia32_entry.S | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'arch/ia64/ia32') diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S index ff88c48c5d1..b905dcb791f 100644 --- a/arch/ia64/ia32/ia32_entry.S +++ b/arch/ia64/ia32/ia32_entry.S @@ -108,6 +108,11 @@ GLOBAL_ENTRY(ia32_trace_syscall) ;; st8 [r2]=r3 // initialize return code to -ENOSYS br.call.sptk.few rp=syscall_trace_enter // give parent a chance to catch syscall args + cmp.lt p6,p0=r8,r0 // check tracehook + adds r2=IA64_PT_REGS_R8_OFFSET+16,sp // r2 = &pt_regs.r8 + ;; +(p6) st8.spill [r2]=r8 // store return value in slot for r8 +(p6) br.spnt.few .ret4 .ret2: // Need to reload arguments (they may be changed by the tracing process) adds r2=IA64_PT_REGS_R1_OFFSET+16,sp // r2 = &pt_regs.r1 adds r3=IA64_PT_REGS_R13_OFFSET+16,sp // r3 = &pt_regs.r13 -- cgit v1.2.3