Author: kib
Date: Mon Jun 12 21:16:37 2017
New Revision: 319876
URL: https://svnweb.freebsd.org/changeset/base/319876
Log:
Update scescx test to print syscall number and arguments.
Sponsored by: The FreeBSD Foundation
MFC after: 3 weeks
Modified:
head/tools/test/ptrace/scescx.c
Modified: head/tools/test/ptrace/scescx.c
==============================================================================
--- head/tools/test/ptrace/scescx.c Mon Jun 12 21:15:43 2017
(r319875)
+++ head/tools/test/ptrace/scescx.c Mon Jun 12 21:16:37 2017
(r319876)
@@ -181,12 +181,33 @@ get_pathname(pid_t pid)
static void
wait_info(int pid, int status, struct ptrace_lwpinfo *lwpinfo)
{
+ long *args;
+ int error, i;
printf(TRACE "pid %d wait %s", pid,
decode_wait_status(status));
if (lwpinfo != NULL) {
printf(" event %s flags %s",
decode_pl_event(lwpinfo), decode_pl_flags(lwpinfo));
+ if ((lwpinfo->pl_flags & (PL_FLAG_SCE | PL_FLAG_SCX)) != 0) {
+ printf(" sc%d", lwpinfo->pl_syscall_code);
+ args = calloc(lwpinfo->pl_syscall_narg, sizeof(long));
+ error = ptrace(PT_GET_SC_ARGS, lwpinfo->pl_lwpid,
+ (caddr_t)args, lwpinfo->pl_syscall_narg *
+ sizeof(long));
+ if (error == 0) {
+ for (i = 0; i < (int)lwpinfo->pl_syscall_narg;
+ i++) {
+ printf("%c%#lx", i == 0 ? '(' : ',',
+ args[i]);
+ }
+ } else {
+ fprintf(stderr, "PT_GET_SC_ARGS failed: %s",
+ strerror(errno));
+ }
+ printf(")");
+ free(args);
+ }
}
printf("\n");
}
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