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| author |   Shaohua Li <shaohua.li@intel.com> | 2008-10-06 10:43:06 -0700 |
|---|---|---|
| committer |   Tony Luck <tony.luck@intel.com> | 2008-10-06 10:43:06 -0700 |
| commit | f14488ccfe0f41207e40520fab60dce356ed9e57 (patch) | |
| tree | ef538012500f197397fbee674591910a96a50805 /arch/ia64/ia32 | |
| parent | [IA64] utrace syscall.h support for ia64 (diff) | |
| download | linux-dev-f14488ccfe0f41207e40520fab60dce356ed9e57.tar.xz linux-dev-f14488ccfe0f41207e40520fab60dce356ed9e57.zip | |
[IA64] utrace use generic trace hook
Make IA64 use generic trace hook in some paths.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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) ;; 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 |