diff options
-rw-r--r-- | arch/alpha/include/asm/ptrace.h | 1 | ||||
-rw-r--r-- | arch/h8300/include/asm/ptrace.h | 1 | ||||
-rw-r--r-- | include/linux/ptrace.h | 9 |
3 files changed, 11 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/ptrace.h b/arch/alpha/include/asm/ptrace.h index b87755a19554..b4c5b2fbb647 100644 --- a/arch/alpha/include/asm/ptrace.h +++ b/arch/alpha/include/asm/ptrace.h @@ -78,6 +78,7 @@ struct switch_stack { #define current_pt_regs() \ ((struct pt_regs *) ((char *)current_thread_info() + 2*PAGE_SIZE) - 1) +#define signal_pt_regs current_pt_regs #define force_successful_syscall_return() (current_pt_regs()->r0 = 0) diff --git a/arch/h8300/include/asm/ptrace.h b/arch/h8300/include/asm/ptrace.h index 00502a61bf0a..7468589a128b 100644 --- a/arch/h8300/include/asm/ptrace.h +++ b/arch/h8300/include/asm/ptrace.h @@ -62,6 +62,7 @@ struct pt_regs { #define profile_pc(regs) instruction_pointer(regs) #define current_pt_regs() ((struct pt_regs *) \ (THREAD_SIZE + (unsigned long)current_thread_info()) - 1) +#define signal_pt_regs() ((struct pt_regs *)current->thread.esp0) #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ #endif /* _H8300_PTRACE_H */ diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index 7aefbae2452e..b8e6dcec78ae 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -333,6 +333,15 @@ static inline void user_single_step_siginfo(struct task_struct *tsk, #define ptrace_signal_deliver(regs, cookie) do { } while (0) #endif +/* + * unlike current_pt_regs(), this one is equal to task_pt_regs(current) + * on *all* architectures; the only reason to have a per-arch definition + * is optimisation. + */ +#ifndef signal_pt_regs +#define signal_pt_regs() task_pt_regs(current) +#endif + extern int task_current_syscall(struct task_struct *target, long *callno, unsigned long args[6], unsigned int maxargs, unsigned long *sp, unsigned long *pc); |