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| author | Roland McGrath <roland@redhat.com> | 2008-01-30 13:30:51 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:30:51 +0100 |
| commit | 2a84b0d71973692b291f03a870c4d0d13f722d79 (patch) | |
| tree | 0d7487317dc3bf901581ca7974a45adf4724ea95 | |
| parent | 227195d4a6185e81855f56ed9bc815cad9a39398 (diff) | |
| download | linux-2a84b0d71973692b291f03a870c4d0d13f722d79.tar.bz2 | |
powerpc: arch_has_single_step
This defines the new standard arch_has_single_step macro. It makes the
existing set_single_step and clear_single_step entry points global, and
renames them to the new standard names user_enable_single_step and
user_disable_single_step, respectively.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | arch/powerpc/kernel/ptrace.c | 12 | ||||
| -rw-r--r-- | include/asm-powerpc/ptrace.h | 7 |
2 files changed, 13 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 3e17d154d0d4..b970d7971779 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -256,7 +256,7 @@ static int set_evrregs(struct task_struct *task, unsigned long *data) #endif /* CONFIG_SPE */ -static void set_single_step(struct task_struct *task) +void user_enable_single_step(struct task_struct *task) { struct pt_regs *regs = task->thread.regs; @@ -271,7 +271,7 @@ static void set_single_step(struct task_struct *task) set_tsk_thread_flag(task, TIF_SINGLESTEP); } -static void clear_single_step(struct task_struct *task) +void user_disable_single_step(struct task_struct *task) { struct pt_regs *regs = task->thread.regs; @@ -313,7 +313,7 @@ static int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, void ptrace_disable(struct task_struct *child) { /* make sure the single step bit is not set. */ - clear_single_step(child); + user_disable_single_step(child); } /* @@ -456,7 +456,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); child->exit_code = data; /* make sure the single step bit is not set. */ - clear_single_step(child); + user_disable_single_step(child); wake_up_process(child); ret = 0; break; @@ -473,7 +473,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; child->exit_code = SIGKILL; /* make sure the single step bit is not set. */ - clear_single_step(child); + user_disable_single_step(child); wake_up_process(child); break; } @@ -483,7 +483,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) if (!valid_signal(data)) break; clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - set_single_step(child); + user_enable_single_step(child); child->exit_code = data; /* give it a chance to run. */ wake_up_process(child); diff --git a/include/asm-powerpc/ptrace.h b/include/asm-powerpc/ptrace.h index 13fccc5a4119..3063363f6799 100644 --- a/include/asm-powerpc/ptrace.h +++ b/include/asm-powerpc/ptrace.h @@ -119,6 +119,13 @@ do { \ } while (0) #endif /* __powerpc64__ */ +/* + * These are defined as per linux/ptrace.h, which see. + */ +#define arch_has_single_step() (1) +extern void user_enable_single_step(struct task_struct *); +extern void user_disable_single_step(struct task_struct *); + #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ |