mirror of https://gitee.com/openkylin/linux.git
40 lines
1008 B
C
40 lines
1008 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;
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
* Overrides for Emacs so that we follow Linus's tabbing style.
|
||
|
|
* Emacs will notice this stuff at the end of the file and automatically
|
||
|
|
* adjust the settings for this buffer only. This must remain at the end
|
||
|
|
* of the file.
|
||
|
|
* ---------------------------------------------------------------------------
|
||
|
|
* Local variables:
|
||
|
|
* c-file-style: "linux"
|
||
|
|
* End:
|
||
|
|
*/
|