diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2007-03-04 09:50:28 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-04-21 20:34:58 +0100 |
| commit | b2a0d36fde90fa9dd20b7dde21dbcff09b130b38 (patch) | |
| tree | 354fe85244f011e17e1c96243f5f7925ba16b6b6 /arch/arm/kernel/signal.c | |
| parent | 0f0a00beb80624a446ba7c0152cd171008eeab2e (diff) | |
[ARM] ptrace: clean up single stepping support
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/signal.c')
| -rw-r--r-- | arch/arm/kernel/signal.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 3843d3bab2dd..54cdf1aeefc3 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -9,7 +9,6 @@ */ #include <linux/errno.h> #include <linux/signal.h> -#include <linux/ptrace.h> #include <linux/personality.h> #include <linux/freezer.h> @@ -285,11 +284,7 @@ asmlinkage int sys_sigreturn(struct pt_regs *regs) if (restore_sigframe(regs, frame)) goto badframe; - /* Send SIGTRAP if we're single-stepping */ - if (current->ptrace & PT_SINGLESTEP) { - ptrace_cancel_bpt(current); - send_sig(SIGTRAP, current, 1); - } + single_step_trap(current); return regs->ARM_r0; @@ -324,11 +319,7 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) if (do_sigaltstack(&frame->sig.uc.uc_stack, NULL, regs->ARM_sp) == -EFAULT) goto badframe; - /* Send SIGTRAP if we're single-stepping */ - if (current->ptrace & PT_SINGLESTEP) { - ptrace_cancel_bpt(current); - send_sig(SIGTRAP, current, 1); - } + single_step_trap(current); return regs->ARM_r0; @@ -644,14 +635,12 @@ static int do_signal(sigset_t *oldset, struct pt_regs *regs, int syscall) if (try_to_freeze()) goto no_signal; - if (current->ptrace & PT_SINGLESTEP) - ptrace_cancel_bpt(current); + single_step_clear(current); signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { handle_signal(signr, &ka, &info, oldset, regs, syscall); - if (current->ptrace & PT_SINGLESTEP) - ptrace_set_bpt(current); + single_step_set(current); return 1; } @@ -705,8 +694,7 @@ static int do_signal(sigset_t *oldset, struct pt_regs *regs, int syscall) restart_syscall(regs); } } - if (current->ptrace & PT_SINGLESTEP) - ptrace_set_bpt(current); + single_step_set(current); return 0; } |