#ifndef PTRACE_SET_SYSCALL | |
# define PTRACE_SET_SYSCALL 23 | |
#endif | |
/* | |
* PTRACE_SET_SYSCALL is supported by linux kernel | |
* starting with commit v2.6.16-rc1~107^2 | |
*/ | |
static int | |
arch_set_scno(struct tcb *tcp, kernel_ulong_t scno) | |
{ | |
unsigned int n = (uint16_t) scno; | |
int rc = ptrace(PTRACE_SET_SYSCALL, tcp->pid, NULL, (unsigned long) n); | |
if (rc && errno != ESRCH) | |
perror_msg("arch_set_scno: PTRACE_SET_SYSCALL pid:%d scno:%#x", | |
tcp->pid, n); | |
return rc; | |
} |