| setup.c (288424) | setup.c (288832) |
|---|---|
| 1/*- 2 * Copyright 1997 Sean Eric Fagan 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 16 unchanged lines hidden (view full) --- 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> | 1/*- 2 * Copyright 1997 Sean Eric Fagan 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 16 unchanged lines hidden (view full) --- 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> |
| 33__FBSDID("$FreeBSD: head/usr.bin/truss/setup.c 288424 2015-09-30 19:13:32Z jhb $"); | 33__FBSDID("$FreeBSD: head/usr.bin/truss/setup.c 288832 2015-10-05 18:08:35Z bdrewery $"); |
| 34 35/* 36 * Various setup functions for truss. Not the cleanest-written code, 37 * I'm afraid. 38 */ 39 40#include <sys/ptrace.h> 41#include <sys/sysctl.h> --- 294 unchanged lines hidden (view full) --- 336 } 337 338 if (t->cs.number >= 0 && t->cs.number < t->proc->abi->nsyscalls) 339 t->cs.name = t->proc->abi->syscallnames[t->cs.number]; 340 if (t->cs.name == NULL) 341 fprintf(info->outfile, "-- UNKNOWN %s SYSCALL %d --\n", 342 t->proc->abi->type, t->cs.number); 343 | 34 35/* 36 * Various setup functions for truss. Not the cleanest-written code, 37 * I'm afraid. 38 */ 39 40#include <sys/ptrace.h> 41#include <sys/sysctl.h> --- 294 unchanged lines hidden (view full) --- 336 } 337 338 if (t->cs.number >= 0 && t->cs.number < t->proc->abi->nsyscalls) 339 t->cs.name = t->proc->abi->syscallnames[t->cs.number]; 340 if (t->cs.name == NULL) 341 fprintf(info->outfile, "-- UNKNOWN %s SYSCALL %d --\n", 342 t->proc->abi->type, t->cs.number); 343 |
| 344 sc = get_syscall(t->cs.name); 345 if (sc) { 346 t->cs.nargs = sc->nargs; 347 assert(sc->nargs <= nitems(t->cs.s_args)); 348 } else { 349#if DEBUG 350 fprintf(stderr, "unknown syscall %s -- setting " 351 "args to %d\n", t->cs.name, t->cs.nargs); 352#endif 353 t->cs.nargs = narg; 354 } | 344 sc = get_syscall(t->cs.name, narg); 345 t->cs.nargs = sc->nargs; 346 assert(sc->nargs <= nitems(t->cs.s_args)); |
| 355 356 t->cs.sc = sc; 357 358 /* 359 * At this point, we set up the system call arguments. 360 * We ignore any OUT ones, however -- those are arguments that 361 * are set by the system call, and so are probably meaningless 362 * now. This doesn't currently support arguments that are --- 4 unchanged lines hidden (view full) --- 367 fprintf(stderr, "syscall %s(", t->cs.name); 368#endif 369 for (i = 0; i < t->cs.nargs; i++) { 370#if DEBUG 371 fprintf(stderr, "0x%lx%s", sc ? 372 t->cs.args[sc->args[i].offset] : t->cs.args[i], 373 i < (t->cs.nargs - 1) ? "," : ""); 374#endif | 347 348 t->cs.sc = sc; 349 350 /* 351 * At this point, we set up the system call arguments. 352 * We ignore any OUT ones, however -- those are arguments that 353 * are set by the system call, and so are probably meaningless 354 * now. This doesn't currently support arguments that are --- 4 unchanged lines hidden (view full) --- 359 fprintf(stderr, "syscall %s(", t->cs.name); 360#endif 361 for (i = 0; i < t->cs.nargs; i++) { 362#if DEBUG 363 fprintf(stderr, "0x%lx%s", sc ? 364 t->cs.args[sc->args[i].offset] : t->cs.args[i], 365 i < (t->cs.nargs - 1) ? "," : ""); 366#endif |
| 375 if (sc && !(sc->args[i].type & OUT)) { | 367 if (!(sc->args[i].type & OUT)) { |
| 376 t->cs.s_args[i] = print_arg(&sc->args[i], 377 t->cs.args, 0, info); 378 } 379 } 380#if DEBUG 381 fprintf(stderr, ")\n"); 382#endif 383 } --- 18 unchanged lines hidden (view full) --- 402 clock_gettime(CLOCK_REALTIME, &t->after); 403 p = t->proc; 404 if (p->abi->fetch_retval(info, retval, &errorp) < 0) { 405 free_syscall(t); 406 return; 407 } 408 409 sc = t->cs.sc; | 368 t->cs.s_args[i] = print_arg(&sc->args[i], 369 t->cs.args, 0, info); 370 } 371 } 372#if DEBUG 373 fprintf(stderr, ")\n"); 374#endif 375 } --- 18 unchanged lines hidden (view full) --- 394 clock_gettime(CLOCK_REALTIME, &t->after); 395 p = t->proc; 396 if (p->abi->fetch_retval(info, retval, &errorp) < 0) { 397 free_syscall(t); 398 return; 399 } 400 401 sc = t->cs.sc; |
| 410 if (sc == NULL) { 411 for (i = 0; i < t->cs.nargs; i++) 412 asprintf(&t->cs.s_args[i], "0x%lx", t->cs.args[i]); 413 } else { 414 /* 415 * Here, we only look for arguments that have OUT masked in -- 416 * otherwise, they were handled in enter_syscall(). 417 */ 418 for (i = 0; i < sc->nargs; i++) { 419 char *temp; | 402 /* 403 * Here, we only look for arguments that have OUT masked in -- 404 * otherwise, they were handled in enter_syscall(). 405 */ 406 for (i = 0; i < sc->nargs; i++) { 407 char *temp; |
| 420 | 408 |
| 421 if (sc->args[i].type & OUT) { 422 /* 423 * If an error occurred, then don't bother 424 * getting the data; it may not be valid. 425 */ 426 if (errorp) { 427 asprintf(&temp, "0x%lx", 428 t->cs.args[sc->args[i].offset]); 429 } else { 430 temp = print_arg(&sc->args[i], 431 t->cs.args, retval, info); 432 } 433 t->cs.s_args[i] = temp; | 409 if (sc->args[i].type & OUT) { 410 /* 411 * If an error occurred, then don't bother 412 * getting the data; it may not be valid. 413 */ 414 if (errorp) { 415 asprintf(&temp, "0x%lx", 416 t->cs.args[sc->args[i].offset]); 417 } else { 418 temp = print_arg(&sc->args[i], 419 t->cs.args, retval, info); |
| 434 } | 420 } |
| 421 t->cs.s_args[i] = temp; |
|
| 435 } 436 } 437 438 print_syscall_ret(info, t->cs.name, t->cs.nargs, t->cs.s_args, 439 errorp, retval, sc); 440 free_syscall(t); 441 442 /* --- 166 unchanged lines hidden --- | 422 } 423 } 424 425 print_syscall_ret(info, t->cs.name, t->cs.nargs, t->cs.s_args, 426 errorp, retval, sc); 427 free_syscall(t); 428 429 /* --- 166 unchanged lines hidden --- |