tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#include <errno.h>
2#include <asm/ptrace.h>
3#include "sysdep/ptrace.h"
4
5int ptrace_getregs(long pid, unsigned long *regs_out)
6{
7 int i;
8 for (i=0; i < sizeof(struct sys_pt_regs)/sizeof(PPC_REG); ++i) {
9 errno = 0;
10 regs_out->regs[i] = ptrace(PTRACE_PEEKUSR, pid, i*4, 0);
11 if (errno) {
12 return -errno;
13 }
14 }
15 return 0;
16}
17
18int ptrace_setregs(long pid, unsigned long *regs_in)
19{
20 int i;
21 for (i=0; i < sizeof(struct sys_pt_regs)/sizeof(PPC_REG); ++i) {
22 if (i != 34 /* FIXME: PT_ORIG_R3 */ && i <= PT_MQ) {
23 if (ptrace(PTRACE_POKEUSR, pid, i*4, regs_in->regs[i]) < 0) {
24 return -errno;
25 }
26 }
27 }
28 return 0;
29}