diff options
| author | Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> | 2008-09-24 19:13:11 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-25 10:11:41 +0200 |
| commit | 455edbc423db282bb64dec2d7c8968498ea8e619 (patch) | |
| tree | 8d059f1a94128d17e56caa610738767b0251ba8a /arch | |
| parent | b94fd69827b2104a2a4d9d0bc05a8e908a937ae8 (diff) | |
x86: signal: introduce helper macro is_ia32
Introduce new macro is_ia32 for unification of setup_rt_frame().
No effect in binary, compiler will optimize.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/signal_32.c | 13 | ||||
| -rw-r--r-- | arch/x86/kernel/signal_64.c | 13 |
2 files changed, 18 insertions, 8 deletions
diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c index b1bc90f19b9..cf62f70cc2a 100644 --- a/arch/x86/kernel/signal_32.c +++ b/arch/x86/kernel/signal_32.c @@ -491,6 +491,8 @@ static int signr_convert(int sig) return sig; } +#define is_ia32 1 + static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set, struct pt_regs *regs) @@ -499,10 +501,13 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, int ret; /* Set up the stack frame */ - if (ka->sa.sa_flags & SA_SIGINFO) - ret = __setup_rt_frame(usig, ka, info, set, regs); - else - ret = __setup_frame(usig, ka, set, regs); + if (is_ia32) { + if (ka->sa.sa_flags & SA_SIGINFO) + ret = __setup_rt_frame(usig, ka, info, set, regs); + else + ret = __setup_frame(usig, ka, set, regs); + } else + ret = __setup_rt_frame(sig, ka, info, set, regs); if (ret) { force_sigsegv(sig, current); diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c index c5d80024a8f..53f86d95985 100644 --- a/arch/x86/kernel/signal_64.c +++ b/arch/x86/kernel/signal_64.c @@ -286,6 +286,12 @@ static int signr_convert(int sig) return sig; } +#ifdef CONFIG_IA32_EMULATION +#define is_ia32 test_thread_flag(TIF_IA32) +#else +#define is_ia32 0 +#endif + static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set, struct pt_regs *regs) @@ -293,15 +299,14 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, int usig = signr_convert(sig); int ret; -#ifdef CONFIG_IA32_EMULATION - if (test_thread_flag(TIF_IA32)) { + /* Set up the stack frame */ + if (is_ia32) { if (ka->sa.sa_flags & SA_SIGINFO) ret = ia32_setup_rt_frame(usig, ka, info, set, regs); else ret = ia32_setup_frame(usig, ka, set, regs); } else -#endif - ret = __setup_rt_frame(sig, ka, info, set, regs); + ret = __setup_rt_frame(sig, ka, info, set, regs); if (ret) { force_sigsegv(sig, current); |