linux/arch/um/sys-ppc/ptrace_user.c
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   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}
  30
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