diff options
Diffstat (limited to 'arch/ia64/ia32')
| -rw-r--r-- | arch/ia64/ia32/ia32_entry.S | 5 |
1 files changed, 5 insertions, 0 deletions
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 |