mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 19:53:59 +08:00
30 lines
642 B
C
30 lines
642 B
C
|
#include <errno.h>
|
||
|
|
#include <asm/ptrace.h>
|
||
|
|
#include "sysdep/ptrace.h"
|
||
|
|
|
||
|
|
int ptrace_getregs(long pid, unsigned long *regs_out)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
for (i=0; i < sizeof(struct sys_pt_regs)/sizeof(PPC_REG); ++i) {
|
||
|
|
errno = 0;
|
||
|
|
regs_out->regs[i] = ptrace(PTRACE_PEEKUSR, pid, i*4, 0);
|
||
|
|
if (errno) {
|
||
|
|
return -errno;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int ptrace_setregs(long pid, unsigned long *regs_in)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
for (i=0; i < sizeof(struct sys_pt_regs)/sizeof(PPC_REG); ++i) {
|
||
|
|
if (i != 34 /* FIXME: PT_ORIG_R3 */ && i <= PT_MQ) {
|
||
|
|
if (ptrace(PTRACE_POKEUSR, pid, i*4, regs_in->regs[i]) < 0) {
|
||
|
|
return -errno;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|