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authorRoland McGrath <roland@redhat.com>2008-03-14 17:46:38 -0700
committerRoland McGrath <roland@redhat.com>2008-07-26 14:37:59 -0700
commit36a033082b5243d45d508c5ccd47a754edbc6821 (patch)
tree5713fa16a1681092936409e3a372c27421778555 /arch/x86/kernel/signal_32.c
parenta048d3aff8b828b6c0fa7ddd90a531248ab4e0f9 (diff)
downloadblackbird-op-linux-36a033082b5243d45d508c5ccd47a754edbc6821.tar.gz
blackbird-op-linux-36a033082b5243d45d508c5ccd47a754edbc6821.zip
x86: tracehook_signal_handler
This makes the x86 signal handling code use tracehook_signal_handler() in place of calling into ptrace guts. The call is moved after the sa_mask processing, but there is no other change. This cleanup doesn't matter to existing debuggers, but is the sensible thing: have all facets of the handler setup complete before the debugger inspects the task again. Signed-off-by: Roland McGrath <roland@redhat.com>
Diffstat (limited to 'arch/x86/kernel/signal_32.c')
-rw-r--r--arch/x86/kernel/signal_32.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c
index 6fb5bcdd8933..22aae1683c14 100644
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -17,6 +17,7 @@
#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/wait.h>
+#include <linux/tracehook.h>
#include <linux/elf.h>
#include <linux/smp.h>
#include <linux/mm.h>
@@ -558,8 +559,6 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
* handler too.
*/
regs->flags &= ~X86_EFLAGS_TF;
- if (test_thread_flag(TIF_SINGLESTEP))
- ptrace_notify(SIGTRAP);
spin_lock_irq(&current->sighand->siglock);
sigorsets(&current->blocked, &current->blocked, &ka->sa.sa_mask);
@@ -568,6 +567,9 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
+ tracehook_signal_handler(sig, info, ka, regs,
+ test_thread_flag(TIF_SINGLESTEP));
+
return 0;
}
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