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 ff88c48c5d19..b905dcb791ff 100644 --- a/arch/ia64/ia32/ia32_entry.S +++ b/arch/ia64/ia32/ia32_entry.S | |||
| @@ -108,6 +108,11 @@ GLOBAL_ENTRY(ia32_trace_syscall) | |||
| 108 | ;; | 108 | ;; |
| 109 | st8 [r2]=r3 // initialize return code to -ENOSYS | 109 | st8 [r2]=r3 // initialize return code to -ENOSYS |
| 110 | br.call.sptk.few rp=syscall_trace_enter // give parent a chance to catch syscall args | 110 | br.call.sptk.few rp=syscall_trace_enter // give parent a chance to catch syscall args |
| 111 | cmp.lt p6,p0=r8,r0 // check tracehook | ||
| 112 | adds r2=IA64_PT_REGS_R8_OFFSET+16,sp // r2 = &pt_regs.r8 | ||
| 113 | ;; | ||
| 114 | (p6) st8.spill [r2]=r8 // store return value in slot for r8 | ||
| 115 | (p6) br.spnt.few .ret4 | ||
| 111 | .ret2: // Need to reload arguments (they may be changed by the tracing process) | 116 | .ret2: // Need to reload arguments (they may be changed by the tracing process) |
| 112 | adds r2=IA64_PT_REGS_R1_OFFSET+16,sp // r2 = &pt_regs.r1 | 117 | adds r2=IA64_PT_REGS_R1_OFFSET+16,sp // r2 = &pt_regs.r1 |
| 113 | adds r3=IA64_PT_REGS_R13_OFFSET+16,sp // r3 = &pt_regs.r13 | 118 | adds r3=IA64_PT_REGS_R13_OFFSET+16,sp // r3 = &pt_regs.r13 |