arch/um/sys-ppc/ptrace_user.c

   1 #include <errno.h>
   2 #include <asm/ptrace.h>
   3 #include "sysdep/ptrace.h"
   4
   5 int 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
  18 int 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 }