#include <signal.h>
#include <errno.h>
#include <sys/types.h>
-#include <sys/ptrace.h>
#include <linux/unistd.h>
#include "ptrace_user.h"
#include "user_util.h"
int get_syscall(pid_t pid, long *arg1, long *arg2, long *arg3, long *arg4,
long *arg5)
{
- *arg1 = ptrace(PTRACE_PEEKUSER, pid, PT_SYSCALL_ARG1_OFFSET, 0);
- *arg2 = ptrace(PTRACE_PEEKUSER, pid, PT_SYSCALL_ARG2_OFFSET, 0);
- *arg3 = ptrace(PTRACE_PEEKUSER, pid, PT_SYSCALL_ARG3_OFFSET, 0);
- *arg4 = ptrace(PTRACE_PEEKUSER, pid, PT_SYSCALL_ARG4_OFFSET, 0);
- *arg5 = ptrace(PTRACE_PEEKUSER, pid, PT_SYSCALL_ARG5_OFFSET, 0);
- return(ptrace(PTRACE_PEEKUSER, pid, PT_SYSCALL_NR_OFFSET, 0));
+ *arg1 = ptrace(PTRACE_PEEKUSR, pid, PT_SYSCALL_ARG1_OFFSET, 0);
+ *arg2 = ptrace(PTRACE_PEEKUSR, pid, PT_SYSCALL_ARG2_OFFSET, 0);
+ *arg3 = ptrace(PTRACE_PEEKUSR, pid, PT_SYSCALL_ARG3_OFFSET, 0);
+ *arg4 = ptrace(PTRACE_PEEKUSR, pid, PT_SYSCALL_ARG4_OFFSET, 0);
+ *arg5 = ptrace(PTRACE_PEEKUSR, pid, PT_SYSCALL_ARG5_OFFSET, 0);
+ return(ptrace(PTRACE_PEEKUSR, pid, PT_SYSCALL_NR_OFFSET, 0));
}
void syscall_cancel(pid_t pid, int result)
{
- if((ptrace(PTRACE_POKEUSER, pid, PT_SYSCALL_NR_OFFSET,
+ if((ptrace(PTRACE_POKEUSR, pid, PT_SYSCALL_NR_OFFSET,
__NR_getpid) < 0) ||
(ptrace(PTRACE_SYSCALL, pid, 0, 0) < 0) ||
(wait_for_stop(pid, SIGTRAP, PTRACE_SYSCALL, NULL) < 0) ||
- (ptrace(PTRACE_POKEUSER, pid, PT_SYSCALL_RET_OFFSET, result) < 0) ||
+ (ptrace(PTRACE_POKEUSR, pid, PT_SYSCALL_RET_OFFSET, result) < 0) ||
(ptrace(PTRACE_SYSCALL, pid, 0, 0) < 0))
printk("ptproxy: couldn't cancel syscall: errno = %d\n",
errno);
void syscall_set_result(pid_t pid, long result)
{
- ptrace(PTRACE_POKEUSER, pid, PT_SYSCALL_RET_OFFSET, result);
+ ptrace(PTRACE_POKEUSR, pid, PT_SYSCALL_RET_OFFSET, result);
}
void syscall_continue(pid_t pid)
int syscall_pause(pid_t pid)
{
- if(ptrace(PTRACE_POKEUSER, pid, PT_SYSCALL_NR_OFFSET, __NR_pause) < 0){
+ if(ptrace(PTRACE_POKEUSR, pid, PT_SYSCALL_NR_OFFSET, __NR_pause) < 0){
printk("syscall_change - ptrace failed, errno = %d\n", errno);
return(-1);
}