1e952f80fSAntonio Huete Jimenez /*
2e952f80fSAntonio Huete Jimenez * Copryight 1997 Sean Eric Fagan
3e952f80fSAntonio Huete Jimenez *
4e952f80fSAntonio Huete Jimenez * Redistribution and use in source and binary forms, with or without
5e952f80fSAntonio Huete Jimenez * modification, are permitted provided that the following conditions
6e952f80fSAntonio Huete Jimenez * are met:
7e952f80fSAntonio Huete Jimenez * 1. Redistributions of source code must retain the above copyright
8e952f80fSAntonio Huete Jimenez * notice, this list of conditions and the following disclaimer.
9e952f80fSAntonio Huete Jimenez * 2. Redistributions in binary form must reproduce the above copyright
10e952f80fSAntonio Huete Jimenez * notice, this list of conditions and the following disclaimer in the
11e952f80fSAntonio Huete Jimenez * documentation and/or other materials provided with the distribution.
12e952f80fSAntonio Huete Jimenez * 3. All advertising materials mentioning features or use of this software
13e952f80fSAntonio Huete Jimenez * must display the following acknowledgement:
14e952f80fSAntonio Huete Jimenez * This product includes software developed by Sean Eric Fagan
15e952f80fSAntonio Huete Jimenez * 4. Neither the name of the author may be used to endorse or promote
16e952f80fSAntonio Huete Jimenez * products derived from this software without specific prior written
17e952f80fSAntonio Huete Jimenez * permission.
18e952f80fSAntonio Huete Jimenez *
19e952f80fSAntonio Huete Jimenez * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20e952f80fSAntonio Huete Jimenez * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21e952f80fSAntonio Huete Jimenez * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22e952f80fSAntonio Huete Jimenez * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23e952f80fSAntonio Huete Jimenez * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24e952f80fSAntonio Huete Jimenez * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25e952f80fSAntonio Huete Jimenez * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26e952f80fSAntonio Huete Jimenez * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27e952f80fSAntonio Huete Jimenez * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28e952f80fSAntonio Huete Jimenez * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29e952f80fSAntonio Huete Jimenez * SUCH DAMAGE.
30e952f80fSAntonio Huete Jimenez *
31e952f80fSAntonio Huete Jimenez * $FreeBSD: src/usr.bin/truss/i386-fbsd.c,v 1.7.2.2 2001/10/29 20:12:56 des Exp $
32e952f80fSAntonio Huete Jimenez */
33e952f80fSAntonio Huete Jimenez
34e952f80fSAntonio Huete Jimenez /*
35e952f80fSAntonio Huete Jimenez * FreeBSD/x86_64-specific system call handling. This is probably the most
36e952f80fSAntonio Huete Jimenez * complex part of the entire truss program, although I've got lots of
37e952f80fSAntonio Huete Jimenez * it handled relatively cleanly now. The system call names are generated
38e952f80fSAntonio Huete Jimenez * automatically, thanks to /usr/src/sys/kern/syscalls.master. The
39e952f80fSAntonio Huete Jimenez * names used for the various structures are confusing, I sadly admit.
40e952f80fSAntonio Huete Jimenez */
41e952f80fSAntonio Huete Jimenez
42e952f80fSAntonio Huete Jimenez #include <sys/types.h>
43e952f80fSAntonio Huete Jimenez #include <sys/ioctl.h>
44e952f80fSAntonio Huete Jimenez #include <sys/pioctl.h>
45e952f80fSAntonio Huete Jimenez #include <sys/syscall.h>
46e952f80fSAntonio Huete Jimenez
47e952f80fSAntonio Huete Jimenez #include <machine/reg.h>
48e952f80fSAntonio Huete Jimenez #include <machine/psl.h>
49e952f80fSAntonio Huete Jimenez
50e952f80fSAntonio Huete Jimenez #include <err.h>
51e952f80fSAntonio Huete Jimenez #include <errno.h>
52e952f80fSAntonio Huete Jimenez #include <fcntl.h>
53e952f80fSAntonio Huete Jimenez #include <signal.h>
54e952f80fSAntonio Huete Jimenez #include <stdio.h>
55e952f80fSAntonio Huete Jimenez #include <stdlib.h>
56e952f80fSAntonio Huete Jimenez #include <string.h>
57e952f80fSAntonio Huete Jimenez #include <unistd.h>
58e952f80fSAntonio Huete Jimenez
59e952f80fSAntonio Huete Jimenez #include "truss.h"
60e952f80fSAntonio Huete Jimenez #include "extern.h"
61e952f80fSAntonio Huete Jimenez #include "syscall.h"
62e952f80fSAntonio Huete Jimenez
63e952f80fSAntonio Huete Jimenez static int fd = -1;
64e952f80fSAntonio Huete Jimenez static int cpid = -1;
65e952f80fSAntonio Huete Jimenez
66e952f80fSAntonio Huete Jimenez #include "syscalls.h"
67e952f80fSAntonio Huete Jimenez
68e952f80fSAntonio Huete Jimenez static int nsyscalls = sizeof(syscallnames) / sizeof(syscallnames[0]);
69e952f80fSAntonio Huete Jimenez
70e952f80fSAntonio Huete Jimenez /*
71e952f80fSAntonio Huete Jimenez * This is what this particular file uses to keep track of a system call.
72e952f80fSAntonio Huete Jimenez * It is probably not quite sufficient -- I can probably use the same
73e952f80fSAntonio Huete Jimenez * structure for the various syscall personalities, and I also probably
74e952f80fSAntonio Huete Jimenez * need to nest system calls (for signal handlers).
75e952f80fSAntonio Huete Jimenez *
76e952f80fSAntonio Huete Jimenez * 'struct syscall' describes the system call; it may be NULL, however,
77e952f80fSAntonio Huete Jimenez * if we don't know about this particular system call yet.
78e952f80fSAntonio Huete Jimenez */
79e952f80fSAntonio Huete Jimenez static struct freebsd_syscall {
80e952f80fSAntonio Huete Jimenez struct syscall *sc;
81e952f80fSAntonio Huete Jimenez const char *name;
82e952f80fSAntonio Huete Jimenez int number;
83e952f80fSAntonio Huete Jimenez unsigned long *args;
84e952f80fSAntonio Huete Jimenez int nargs; /* number of arguments -- *not* number of words! */
85e952f80fSAntonio Huete Jimenez char **s_args; /* the printable arguments */
86e952f80fSAntonio Huete Jimenez } fsc;
87e952f80fSAntonio Huete Jimenez
88e952f80fSAntonio Huete Jimenez /* Clear up and free parts of the fsc structure. */
89e952f80fSAntonio Huete Jimenez static inline void
clear_fsc(void)90e952f80fSAntonio Huete Jimenez clear_fsc(void) {
91e952f80fSAntonio Huete Jimenez if (fsc.args) {
92e952f80fSAntonio Huete Jimenez free(fsc.args);
93e952f80fSAntonio Huete Jimenez }
94e952f80fSAntonio Huete Jimenez if (fsc.s_args) {
95e952f80fSAntonio Huete Jimenez int i;
96e952f80fSAntonio Huete Jimenez for (i = 0; i < fsc.nargs; i++)
97e952f80fSAntonio Huete Jimenez if (fsc.s_args[i])
98e952f80fSAntonio Huete Jimenez free(fsc.s_args[i]);
99e952f80fSAntonio Huete Jimenez free(fsc.s_args);
100e952f80fSAntonio Huete Jimenez }
101e952f80fSAntonio Huete Jimenez memset(&fsc, 0, sizeof(fsc));
102e952f80fSAntonio Huete Jimenez }
103e952f80fSAntonio Huete Jimenez
104e952f80fSAntonio Huete Jimenez /*
105e952f80fSAntonio Huete Jimenez * Called when a process has entered a system call. nargs is the
106e952f80fSAntonio Huete Jimenez * number of words, not number of arguments (a necessary distinction
107e952f80fSAntonio Huete Jimenez * in some cases). Note that if the STOPEVENT() code in i386/i386/trap.c
108e952f80fSAntonio Huete Jimenez * is ever changed these functions need to keep up.
109e952f80fSAntonio Huete Jimenez */
110e952f80fSAntonio Huete Jimenez
111e952f80fSAntonio Huete Jimenez void
x86_64_syscall_entry(struct trussinfo * trussinfo,int nargs)112e952f80fSAntonio Huete Jimenez x86_64_syscall_entry(struct trussinfo *trussinfo, int nargs) {
113e952f80fSAntonio Huete Jimenez char *buf;
114e952f80fSAntonio Huete Jimenez struct reg regs = { .r_err = 0 };
115e952f80fSAntonio Huete Jimenez int syscall_num;
116e952f80fSAntonio Huete Jimenez int i, reg;
117e952f80fSAntonio Huete Jimenez struct syscall *sc;
118e952f80fSAntonio Huete Jimenez
119e952f80fSAntonio Huete Jimenez if (fd == -1 || trussinfo->pid != cpid) {
120e952f80fSAntonio Huete Jimenez asprintf(&buf, "%s/%d/regs", procfs_path, trussinfo->pid);
121e952f80fSAntonio Huete Jimenez if (buf == NULL)
122e952f80fSAntonio Huete Jimenez err(1, "Out of memory");
123e952f80fSAntonio Huete Jimenez fd = open(buf, O_RDWR);
124e952f80fSAntonio Huete Jimenez free(buf);
125e952f80fSAntonio Huete Jimenez if (fd == -1) {
126e952f80fSAntonio Huete Jimenez fprintf(trussinfo->outfile, "-- CANNOT READ REGISTERS --\n");
127e952f80fSAntonio Huete Jimenez return;
128e952f80fSAntonio Huete Jimenez }
129e952f80fSAntonio Huete Jimenez cpid = trussinfo->pid;
130e952f80fSAntonio Huete Jimenez }
131e952f80fSAntonio Huete Jimenez
132e952f80fSAntonio Huete Jimenez clear_fsc();
133e952f80fSAntonio Huete Jimenez lseek(fd, 0L, 0);
134e952f80fSAntonio Huete Jimenez i = read(fd, ®s, sizeof(regs));
135e952f80fSAntonio Huete Jimenez
136e952f80fSAntonio Huete Jimenez /*
137e952f80fSAntonio Huete Jimenez * FreeBSD has two special kinds of system call redirctions --
138e952f80fSAntonio Huete Jimenez * SYS_syscall, and SYS___syscall. The former is the old syscall()
139e952f80fSAntonio Huete Jimenez * routine, basicly; the latter is for quad-aligned arguments.
140e952f80fSAntonio Huete Jimenez */
141e952f80fSAntonio Huete Jimenez reg = 0;
142e952f80fSAntonio Huete Jimenez syscall_num = regs.r_rax;
143e952f80fSAntonio Huete Jimenez switch (syscall_num) {
144e952f80fSAntonio Huete Jimenez case SYS_syscall:
145e952f80fSAntonio Huete Jimenez case SYS___syscall:
146e952f80fSAntonio Huete Jimenez syscall_num = regs.r_rdi;
147e952f80fSAntonio Huete Jimenez reg++;
148e952f80fSAntonio Huete Jimenez break;
149e952f80fSAntonio Huete Jimenez }
150e952f80fSAntonio Huete Jimenez
151e952f80fSAntonio Huete Jimenez fsc.number = syscall_num;
152e952f80fSAntonio Huete Jimenez fsc.name =
153e952f80fSAntonio Huete Jimenez (syscall_num < 0 || syscall_num >= nsyscalls) ? NULL : syscallnames[syscall_num];
154e952f80fSAntonio Huete Jimenez if (!fsc.name) {
155e952f80fSAntonio Huete Jimenez fprintf(trussinfo->outfile, "-- UNKNOWN SYSCALL %d --\n", syscall_num);
156e952f80fSAntonio Huete Jimenez }
157e952f80fSAntonio Huete Jimenez
158e952f80fSAntonio Huete Jimenez if (nargs == 0)
159e952f80fSAntonio Huete Jimenez return;
160e952f80fSAntonio Huete Jimenez
161e952f80fSAntonio Huete Jimenez fsc.args = malloc((1+nargs) * sizeof(unsigned long));
162e952f80fSAntonio Huete Jimenez for (i = 0; i < nargs && reg < 6; i++, reg++) {
163e952f80fSAntonio Huete Jimenez switch (reg) {
164e952f80fSAntonio Huete Jimenez case 0: fsc.args[i] = regs.r_rdi; break;
165e952f80fSAntonio Huete Jimenez case 1: fsc.args[i] = regs.r_rsi; break;
166e952f80fSAntonio Huete Jimenez case 2: fsc.args[i] = regs.r_rdx; break;
167e952f80fSAntonio Huete Jimenez case 3: fsc.args[i] = regs.r_rcx; break;
168e952f80fSAntonio Huete Jimenez case 4: fsc.args[i] = regs.r_r8; break;
169e952f80fSAntonio Huete Jimenez case 5: fsc.args[i] = regs.r_r9; break;
170e952f80fSAntonio Huete Jimenez }
171e952f80fSAntonio Huete Jimenez }
172e952f80fSAntonio Huete Jimenez if (nargs > i) {
173e952f80fSAntonio Huete Jimenez lseek(Procfd, regs.r_rsp + sizeof(register_t), SEEK_SET);
174e952f80fSAntonio Huete Jimenez if (read(Procfd, &fsc.args[i], (nargs-i) * sizeof(register_t)) == -1)
175e952f80fSAntonio Huete Jimenez return;
176e952f80fSAntonio Huete Jimenez }
177e952f80fSAntonio Huete Jimenez
178e952f80fSAntonio Huete Jimenez sc = fsc.name ? get_syscall(fsc.name) : NULL;
179e952f80fSAntonio Huete Jimenez if (sc) {
180e952f80fSAntonio Huete Jimenez fsc.nargs = sc->nargs;
181e952f80fSAntonio Huete Jimenez } else {
182*1144a251SSascha Wildner #ifdef DEBUG
183e952f80fSAntonio Huete Jimenez fprintf(trussinfo->trussinfo->outfile, "unknown syscall %s -- setting args to %d\n",
184e952f80fSAntonio Huete Jimenez fsc.name, nargs);
185e952f80fSAntonio Huete Jimenez #endif
186e952f80fSAntonio Huete Jimenez fsc.nargs = nargs;
187e952f80fSAntonio Huete Jimenez }
188e952f80fSAntonio Huete Jimenez
189e952f80fSAntonio Huete Jimenez fsc.s_args = malloc((1+fsc.nargs) * sizeof(char*));
190e952f80fSAntonio Huete Jimenez memset(fsc.s_args, 0, fsc.nargs * sizeof(char*));
191e952f80fSAntonio Huete Jimenez fsc.sc = sc;
192e952f80fSAntonio Huete Jimenez
193e952f80fSAntonio Huete Jimenez /*
194e952f80fSAntonio Huete Jimenez * At this point, we set up the system call arguments.
195e952f80fSAntonio Huete Jimenez * We ignore any OUT ones, however -- those are arguments that
196e952f80fSAntonio Huete Jimenez * are set by the system call, and so are probably meaningless
197e952f80fSAntonio Huete Jimenez * now. This doesn't currently support arguments that are
198e952f80fSAntonio Huete Jimenez * passed in *and* out, however.
199e952f80fSAntonio Huete Jimenez */
200e952f80fSAntonio Huete Jimenez
201e952f80fSAntonio Huete Jimenez if (fsc.name) {
202e952f80fSAntonio Huete Jimenez
203*1144a251SSascha Wildner #ifdef DEBUG
204e952f80fSAntonio Huete Jimenez fprintf(stderr, "syscall %s(", fsc.name);
205e952f80fSAntonio Huete Jimenez #endif
206e952f80fSAntonio Huete Jimenez for (i = 0; i < fsc.nargs; i++) {
207*1144a251SSascha Wildner #ifdef DEBUG
208e952f80fSAntonio Huete Jimenez fprintf(stderr, "0x%x%s",
209e952f80fSAntonio Huete Jimenez sc
210e952f80fSAntonio Huete Jimenez ? fsc.args[sc->args[i].offset]
211e952f80fSAntonio Huete Jimenez : fsc.args[i],
212e952f80fSAntonio Huete Jimenez i < (fsc.nargs -1) ? "," : "");
213e952f80fSAntonio Huete Jimenez #endif
214e952f80fSAntonio Huete Jimenez if (sc && !(sc->args[i].type & OUT)) {
215e952f80fSAntonio Huete Jimenez fsc.s_args[i] = print_arg(Procfd, &sc->args[i], fsc.args);
216e952f80fSAntonio Huete Jimenez }
217e952f80fSAntonio Huete Jimenez }
218*1144a251SSascha Wildner #ifdef DEBUG
219e952f80fSAntonio Huete Jimenez fprintf(stderr, ")\n");
220e952f80fSAntonio Huete Jimenez #endif
221e952f80fSAntonio Huete Jimenez }
222e952f80fSAntonio Huete Jimenez
223*1144a251SSascha Wildner #ifdef DEBUG
224e952f80fSAntonio Huete Jimenez fprintf(trussinfo->trussinfo->outfile, "\n");
225e952f80fSAntonio Huete Jimenez #endif
226e952f80fSAntonio Huete Jimenez
227e952f80fSAntonio Huete Jimenez /*
228e952f80fSAntonio Huete Jimenez * Some system calls should be printed out before they are done --
229e952f80fSAntonio Huete Jimenez * execve() and exit(), for example, never return. Possibly change
230e952f80fSAntonio Huete Jimenez * this to work for any system call that doesn't have an OUT
231e952f80fSAntonio Huete Jimenez * parameter?
232e952f80fSAntonio Huete Jimenez */
233e952f80fSAntonio Huete Jimenez
234e952f80fSAntonio Huete Jimenez if (fsc.name != NULL &&
235e952f80fSAntonio Huete Jimenez (!strcmp(fsc.name, "execve") || !strcmp(fsc.name, "exit"))) {
236e952f80fSAntonio Huete Jimenez print_syscall(trussinfo, fsc.name, fsc.nargs, fsc.s_args);
237e952f80fSAntonio Huete Jimenez }
238e952f80fSAntonio Huete Jimenez
239e952f80fSAntonio Huete Jimenez return;
240e952f80fSAntonio Huete Jimenez }
241e952f80fSAntonio Huete Jimenez
242e952f80fSAntonio Huete Jimenez /*
243e952f80fSAntonio Huete Jimenez * And when the system call is done, we handle it here.
244e952f80fSAntonio Huete Jimenez * Currently, no attempt is made to ensure that the system calls
245e952f80fSAntonio Huete Jimenez * match -- this needs to be fixed (and is, in fact, why S_SCX includes
246e952f80fSAntonio Huete Jimenez * the sytem call number instead of, say, an error status).
247e952f80fSAntonio Huete Jimenez */
248e952f80fSAntonio Huete Jimenez
249e952f80fSAntonio Huete Jimenez int
x86_64_syscall_exit(struct trussinfo * trussinfo,int syscall_num __unused)250e952f80fSAntonio Huete Jimenez x86_64_syscall_exit(struct trussinfo *trussinfo, int syscall_num __unused) {
251e952f80fSAntonio Huete Jimenez char *buf;
252e952f80fSAntonio Huete Jimenez struct reg regs;
253e952f80fSAntonio Huete Jimenez int retval;
254e952f80fSAntonio Huete Jimenez int i;
255e952f80fSAntonio Huete Jimenez int errorp;
256e952f80fSAntonio Huete Jimenez struct syscall *sc;
257e952f80fSAntonio Huete Jimenez
258e952f80fSAntonio Huete Jimenez if (fsc.name == NULL)
259e952f80fSAntonio Huete Jimenez return 0;
260e952f80fSAntonio Huete Jimenez
261e952f80fSAntonio Huete Jimenez if (fd == -1 || trussinfo->pid != cpid) {
262e952f80fSAntonio Huete Jimenez asprintf(&buf, "%s/%d/regs", procfs_path, trussinfo->pid);
263e952f80fSAntonio Huete Jimenez if (buf == NULL)
264e952f80fSAntonio Huete Jimenez err(1, "Out of memory");
265e952f80fSAntonio Huete Jimenez fd = open(buf, O_RDONLY);
266e952f80fSAntonio Huete Jimenez free(buf);
267e952f80fSAntonio Huete Jimenez if (fd == -1) {
268e952f80fSAntonio Huete Jimenez fprintf(trussinfo->outfile, "-- CANNOT READ REGISTERS --\n");
269e952f80fSAntonio Huete Jimenez return 0;
270e952f80fSAntonio Huete Jimenez }
271e952f80fSAntonio Huete Jimenez cpid = trussinfo->pid;
272e952f80fSAntonio Huete Jimenez }
273e952f80fSAntonio Huete Jimenez
274e952f80fSAntonio Huete Jimenez lseek(fd, 0L, 0);
275e952f80fSAntonio Huete Jimenez if (read(fd, ®s, sizeof(regs)) != sizeof(regs)) {
276e952f80fSAntonio Huete Jimenez fprintf(trussinfo->outfile, "\n");
277e952f80fSAntonio Huete Jimenez return 0;
278e952f80fSAntonio Huete Jimenez }
279e952f80fSAntonio Huete Jimenez retval = regs.r_rax;
280e952f80fSAntonio Huete Jimenez errorp = !!(regs.r_rflags & PSL_C);
281e952f80fSAntonio Huete Jimenez
282e952f80fSAntonio Huete Jimenez /*
283e952f80fSAntonio Huete Jimenez * This code, while simpler than the initial versions I used, could
284e952f80fSAntonio Huete Jimenez * stand some significant cleaning.
285e952f80fSAntonio Huete Jimenez */
286e952f80fSAntonio Huete Jimenez
287e952f80fSAntonio Huete Jimenez sc = fsc.sc;
288e952f80fSAntonio Huete Jimenez if (!sc) {
289e952f80fSAntonio Huete Jimenez for (i = 0; i < fsc.nargs; i++) {
290e952f80fSAntonio Huete Jimenez fsc.s_args[i] = malloc(12);
291e952f80fSAntonio Huete Jimenez sprintf(fsc.s_args[i], "0x%lx", fsc.args[i]);
292e952f80fSAntonio Huete Jimenez }
293e952f80fSAntonio Huete Jimenez } else {
294e952f80fSAntonio Huete Jimenez /*
295e952f80fSAntonio Huete Jimenez * Here, we only look for arguments that have OUT masked in --
296e952f80fSAntonio Huete Jimenez * otherwise, they were handled in the syscall_entry function.
297e952f80fSAntonio Huete Jimenez */
298e952f80fSAntonio Huete Jimenez for (i = 0; i < sc->nargs; i++) {
299e952f80fSAntonio Huete Jimenez char *temp;
300e952f80fSAntonio Huete Jimenez if (sc->args[i].type & OUT) {
301e952f80fSAntonio Huete Jimenez /*
302e952f80fSAntonio Huete Jimenez * If an error occurred, than don't bothe getting the data;
303e952f80fSAntonio Huete Jimenez * it may not be valid.
304e952f80fSAntonio Huete Jimenez */
305e952f80fSAntonio Huete Jimenez if (errorp) {
306e952f80fSAntonio Huete Jimenez temp = malloc(12);
307e952f80fSAntonio Huete Jimenez sprintf(temp, "0x%lx", fsc.args[sc->args[i].offset]);
308e952f80fSAntonio Huete Jimenez } else {
309e952f80fSAntonio Huete Jimenez temp = print_arg(Procfd, &sc->args[i], fsc.args);
310e952f80fSAntonio Huete Jimenez }
311e952f80fSAntonio Huete Jimenez fsc.s_args[i] = temp;
312e952f80fSAntonio Huete Jimenez }
313e952f80fSAntonio Huete Jimenez }
314e952f80fSAntonio Huete Jimenez }
315e952f80fSAntonio Huete Jimenez
316e952f80fSAntonio Huete Jimenez /*
317e952f80fSAntonio Huete Jimenez * It would probably be a good idea to merge the error handling,
318e952f80fSAntonio Huete Jimenez * but that complicates things considerably.
319e952f80fSAntonio Huete Jimenez */
320e952f80fSAntonio Huete Jimenez
321e952f80fSAntonio Huete Jimenez print_syscall_ret(trussinfo, fsc.name, fsc.nargs, fsc.s_args, errorp, retval);
322e952f80fSAntonio Huete Jimenez clear_fsc();
323e952f80fSAntonio Huete Jimenez
324e952f80fSAntonio Huete Jimenez return (retval);
325e952f80fSAntonio Huete Jimenez }
326