diff options
Diffstat (limited to 'kernel/arch/alpha/include/asm/ptrace.h')
| -rw-r--r-- | kernel/arch/alpha/include/asm/ptrace.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/kernel/arch/alpha/include/asm/ptrace.h b/kernel/arch/alpha/include/asm/ptrace.h new file mode 100644 index 000000000..9047c2fe8 --- /dev/null +++ b/kernel/arch/alpha/include/asm/ptrace.h @@ -0,0 +1,27 @@ +#ifndef _ASMAXP_PTRACE_H +#define _ASMAXP_PTRACE_H + +#include <uapi/asm/ptrace.h> + + +#define arch_has_single_step() (1) +#define user_mode(regs) (((regs)->ps & 8) != 0) +#define instruction_pointer(regs) ((regs)->pc) +#define profile_pc(regs) instruction_pointer(regs) +#define current_user_stack_pointer() rdusp() + +#define task_pt_regs(task) \ + ((struct pt_regs *) (task_stack_page(task) + 2*PAGE_SIZE) - 1) + +#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) + +static inline unsigned long regs_return_value(struct pt_regs *regs) +{ + return regs->r0; +} + +#endif |