diff options
Diffstat (limited to 'arch/alpha')
| -rw-r--r-- | arch/alpha/kernel/process.c | 19 | ||||
| -rw-r--r-- | arch/alpha/kernel/ptrace.c | 7 |
2 files changed, 9 insertions, 17 deletions
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c index 982d732a870..9924fd07743 100644 --- a/arch/alpha/kernel/process.c +++ b/arch/alpha/kernel/process.c @@ -428,30 +428,15 @@ dump_elf_thread(elf_greg_t *dest, struct pt_regs *pt, struct thread_info *ti) int dump_elf_task(elf_greg_t *dest, struct task_struct *task) { - struct thread_info *ti; - struct pt_regs *pt; - - ti = task->thread_info; - pt = (struct pt_regs *)((unsigned long)ti + 2*PAGE_SIZE) - 1; - - dump_elf_thread(dest, pt, ti); - + dump_elf_thread(dest, task_pt_regs(task), task_thread_info(task)); return 1; } int dump_elf_task_fp(elf_fpreg_t *dest, struct task_struct *task) { - struct thread_info *ti; - struct pt_regs *pt; - struct switch_stack *sw; - - ti = task->thread_info; - pt = (struct pt_regs *)((unsigned long)ti + 2*PAGE_SIZE) - 1; - sw = (struct switch_stack *)pt - 1; - + struct switch_stack *sw = (struct switch_stack *)task_pt_regs(task) - 1; memcpy(dest, sw->fp, 32 * 8); - return 1; } diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c index 9069281313a..0cd060598f9 100644 --- a/arch/alpha/kernel/ptrace.c +++ b/arch/alpha/kernel/ptrace.c @@ -72,6 +72,13 @@ enum { REG_R0 = 0, REG_F0 = 32, REG_FPCR = 63, REG_PC = 64 }; +#define PT_REG(reg) \ + (PAGE_SIZE*2 - sizeof(struct pt_regs) + offsetof(struct pt_regs, reg)) + +#define SW_REG(reg) \ + (PAGE_SIZE*2 - sizeof(struct pt_regs) - sizeof(struct switch_stack) \ + + offsetof(struct switch_stack, reg)) + static int regoff[] = { PT_REG( r0), PT_REG( r1), PT_REG( r2), PT_REG( r3), PT_REG( r4), PT_REG( r5), PT_REG( r6), PT_REG( r7), |