blueswir1 | 8477850 | 2008-10-26 20:33:16 +0000 | [diff] [blame] | 1 | /* |
| 2 | * qemu user main |
| 3 | * |
| 4 | * Copyright (c) 2003-2008 Fabrice Bellard |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
blueswir1 | 530e761 | 2009-01-05 18:11:53 +0000 | [diff] [blame] | 18 | * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 19 | * MA 02110-1301, USA. |
blueswir1 | 8477850 | 2008-10-26 20:33:16 +0000 | [diff] [blame] | 20 | */ |
| 21 | #include <stdlib.h> |
| 22 | #include <stdio.h> |
| 23 | #include <stdarg.h> |
| 24 | #include <string.h> |
| 25 | #include <errno.h> |
| 26 | #include <unistd.h> |
| 27 | #include <machine/trap.h> |
| 28 | |
| 29 | #include "qemu.h" |
| 30 | #include "qemu-common.h" |
| 31 | /* For tb_lock */ |
| 32 | #include "exec-all.h" |
| 33 | |
| 34 | #define DEBUG_LOGFILE "/tmp/qemu.log" |
| 35 | |
| 36 | static const char *interp_prefix = CONFIG_QEMU_PREFIX; |
| 37 | const char *qemu_uname_release = CONFIG_UNAME_RELEASE; |
| 38 | extern char **environ; |
| 39 | |
| 40 | /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so |
| 41 | we allocate a bigger stack. Need a better solution, for example |
| 42 | by remapping the process stack directly at the right place */ |
| 43 | unsigned long x86_stack_size = 512 * 1024; |
| 44 | |
| 45 | void gemu_log(const char *fmt, ...) |
| 46 | { |
| 47 | va_list ap; |
| 48 | |
| 49 | va_start(ap, fmt); |
| 50 | vfprintf(stderr, fmt, ap); |
| 51 | va_end(ap); |
| 52 | } |
| 53 | #ifdef TARGET_SPARC |
| 54 | #define SPARC64_STACK_BIAS 2047 |
| 55 | |
| 56 | //#define DEBUG_WIN |
| 57 | /* WARNING: dealing with register windows _is_ complicated. More info |
| 58 | can be found at http://www.sics.se/~psm/sparcstack.html */ |
| 59 | static inline int get_reg_index(CPUSPARCState *env, int cwp, int index) |
| 60 | { |
| 61 | index = (index + cwp * 16) % (16 * env->nwindows); |
| 62 | /* wrap handling : if cwp is on the last window, then we use the |
| 63 | registers 'after' the end */ |
| 64 | if (index < 8 && env->cwp == env->nwindows - 1) |
| 65 | index += 16 * env->nwindows; |
| 66 | return index; |
| 67 | } |
| 68 | |
| 69 | /* save the register window 'cwp1' */ |
| 70 | static inline void save_window_offset(CPUSPARCState *env, int cwp1) |
| 71 | { |
| 72 | unsigned int i; |
| 73 | abi_ulong sp_ptr; |
| 74 | |
| 75 | sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; |
| 76 | #ifdef TARGET_SPARC64 |
| 77 | if (sp_ptr & 3) |
| 78 | sp_ptr += SPARC64_STACK_BIAS; |
| 79 | #endif |
| 80 | #if defined(DEBUG_WIN) |
| 81 | printf("win_overflow: sp_ptr=0x" TARGET_ABI_FMT_lx " save_cwp=%d\n", |
| 82 | sp_ptr, cwp1); |
| 83 | #endif |
| 84 | for(i = 0; i < 16; i++) { |
| 85 | /* FIXME - what to do if put_user() fails? */ |
| 86 | put_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr); |
| 87 | sp_ptr += sizeof(abi_ulong); |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | static void save_window(CPUSPARCState *env) |
| 92 | { |
| 93 | #ifndef TARGET_SPARC64 |
| 94 | unsigned int new_wim; |
| 95 | new_wim = ((env->wim >> 1) | (env->wim << (env->nwindows - 1))) & |
| 96 | ((1LL << env->nwindows) - 1); |
| 97 | save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2)); |
| 98 | env->wim = new_wim; |
| 99 | #else |
| 100 | save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2)); |
| 101 | env->cansave++; |
| 102 | env->canrestore--; |
| 103 | #endif |
| 104 | } |
| 105 | |
| 106 | static void restore_window(CPUSPARCState *env) |
| 107 | { |
| 108 | #ifndef TARGET_SPARC64 |
| 109 | unsigned int new_wim; |
| 110 | #endif |
| 111 | unsigned int i, cwp1; |
| 112 | abi_ulong sp_ptr; |
| 113 | |
| 114 | #ifndef TARGET_SPARC64 |
| 115 | new_wim = ((env->wim << 1) | (env->wim >> (env->nwindows - 1))) & |
| 116 | ((1LL << env->nwindows) - 1); |
| 117 | #endif |
| 118 | |
| 119 | /* restore the invalid window */ |
| 120 | cwp1 = cpu_cwp_inc(env, env->cwp + 1); |
| 121 | sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; |
| 122 | #ifdef TARGET_SPARC64 |
| 123 | if (sp_ptr & 3) |
| 124 | sp_ptr += SPARC64_STACK_BIAS; |
| 125 | #endif |
| 126 | #if defined(DEBUG_WIN) |
| 127 | printf("win_underflow: sp_ptr=0x" TARGET_ABI_FMT_lx " load_cwp=%d\n", |
| 128 | sp_ptr, cwp1); |
| 129 | #endif |
| 130 | for(i = 0; i < 16; i++) { |
| 131 | /* FIXME - what to do if get_user() fails? */ |
| 132 | get_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr); |
| 133 | sp_ptr += sizeof(abi_ulong); |
| 134 | } |
| 135 | #ifdef TARGET_SPARC64 |
| 136 | env->canrestore++; |
| 137 | if (env->cleanwin < env->nwindows - 1) |
| 138 | env->cleanwin++; |
| 139 | env->cansave--; |
| 140 | #else |
| 141 | env->wim = new_wim; |
| 142 | #endif |
| 143 | } |
| 144 | |
| 145 | static void flush_windows(CPUSPARCState *env) |
| 146 | { |
| 147 | int offset, cwp1; |
| 148 | |
| 149 | offset = 1; |
| 150 | for(;;) { |
| 151 | /* if restore would invoke restore_window(), then we can stop */ |
| 152 | cwp1 = cpu_cwp_inc(env, env->cwp + offset); |
| 153 | #ifndef TARGET_SPARC64 |
| 154 | if (env->wim & (1 << cwp1)) |
| 155 | break; |
| 156 | #else |
| 157 | if (env->canrestore == 0) |
| 158 | break; |
| 159 | env->cansave++; |
| 160 | env->canrestore--; |
| 161 | #endif |
| 162 | save_window_offset(env, cwp1); |
| 163 | offset++; |
| 164 | } |
| 165 | cwp1 = cpu_cwp_inc(env, env->cwp + 1); |
| 166 | #ifndef TARGET_SPARC64 |
| 167 | /* set wim so that restore will reload the registers */ |
| 168 | env->wim = 1 << cwp1; |
| 169 | #endif |
| 170 | #if defined(DEBUG_WIN) |
| 171 | printf("flush_windows: nb=%d\n", offset - 1); |
| 172 | #endif |
| 173 | } |
| 174 | |
| 175 | void cpu_loop(CPUSPARCState *env, enum BSDType bsd_type) |
| 176 | { |
| 177 | int trapnr, ret, syscall_nr; |
| 178 | //target_siginfo_t info; |
| 179 | |
| 180 | while (1) { |
| 181 | trapnr = cpu_sparc_exec (env); |
| 182 | |
| 183 | switch (trapnr) { |
blueswir1 | 77b9435 | 2008-11-16 11:38:43 +0000 | [diff] [blame] | 184 | #ifndef TARGET_SPARC64 |
| 185 | case 0x80: |
| 186 | #else |
blueswir1 | 8477850 | 2008-10-26 20:33:16 +0000 | [diff] [blame] | 187 | case 0x100: |
blueswir1 | 77b9435 | 2008-11-16 11:38:43 +0000 | [diff] [blame] | 188 | #endif |
blueswir1 | 8477850 | 2008-10-26 20:33:16 +0000 | [diff] [blame] | 189 | syscall_nr = env->gregs[1]; |
blueswir1 | 8477850 | 2008-10-26 20:33:16 +0000 | [diff] [blame] | 190 | if (bsd_type == target_freebsd) |
| 191 | ret = do_freebsd_syscall(env, syscall_nr, |
| 192 | env->regwptr[0], env->regwptr[1], |
| 193 | env->regwptr[2], env->regwptr[3], |
| 194 | env->regwptr[4], env->regwptr[5]); |
| 195 | else if (bsd_type == target_netbsd) |
| 196 | ret = do_netbsd_syscall(env, syscall_nr, |
| 197 | env->regwptr[0], env->regwptr[1], |
| 198 | env->regwptr[2], env->regwptr[3], |
| 199 | env->regwptr[4], env->regwptr[5]); |
blueswir1 | cdba95b | 2008-11-22 20:34:45 +0000 | [diff] [blame] | 200 | else { //if (bsd_type == target_openbsd) |
| 201 | #if defined(TARGET_SPARC64) |
| 202 | syscall_nr &= ~(TARGET_OPENBSD_SYSCALL_G7RFLAG | |
| 203 | TARGET_OPENBSD_SYSCALL_G2RFLAG); |
| 204 | #endif |
blueswir1 | 8477850 | 2008-10-26 20:33:16 +0000 | [diff] [blame] | 205 | ret = do_openbsd_syscall(env, syscall_nr, |
| 206 | env->regwptr[0], env->regwptr[1], |
| 207 | env->regwptr[2], env->regwptr[3], |
| 208 | env->regwptr[4], env->regwptr[5]); |
blueswir1 | cdba95b | 2008-11-22 20:34:45 +0000 | [diff] [blame] | 209 | } |
blueswir1 | 8477850 | 2008-10-26 20:33:16 +0000 | [diff] [blame] | 210 | if ((unsigned int)ret >= (unsigned int)(-515)) { |
| 211 | #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32) |
| 212 | env->xcc |= PSR_CARRY; |
| 213 | #else |
| 214 | env->psr |= PSR_CARRY; |
| 215 | #endif |
| 216 | } else { |
| 217 | #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32) |
| 218 | env->xcc &= ~PSR_CARRY; |
| 219 | #else |
| 220 | env->psr &= ~PSR_CARRY; |
| 221 | #endif |
| 222 | } |
| 223 | env->regwptr[0] = ret; |
| 224 | /* next instruction */ |
blueswir1 | cdba95b | 2008-11-22 20:34:45 +0000 | [diff] [blame] | 225 | #if defined(TARGET_SPARC64) |
| 226 | if (bsd_type == target_openbsd && |
| 227 | env->gregs[1] & TARGET_OPENBSD_SYSCALL_G2RFLAG) { |
blueswir1 | 8477850 | 2008-10-26 20:33:16 +0000 | [diff] [blame] | 228 | env->pc = env->gregs[2]; |
| 229 | env->npc = env->pc + 4; |
blueswir1 | cdba95b | 2008-11-22 20:34:45 +0000 | [diff] [blame] | 230 | } else if (bsd_type == target_openbsd && |
| 231 | env->gregs[1] & TARGET_OPENBSD_SYSCALL_G7RFLAG) { |
blueswir1 | 8477850 | 2008-10-26 20:33:16 +0000 | [diff] [blame] | 232 | env->pc = env->gregs[7]; |
| 233 | env->npc = env->pc + 4; |
| 234 | } else { |
| 235 | env->pc = env->npc; |
| 236 | env->npc = env->npc + 4; |
| 237 | } |
| 238 | #else |
| 239 | env->pc = env->npc; |
| 240 | env->npc = env->npc + 4; |
| 241 | #endif |
| 242 | break; |
| 243 | case 0x83: /* flush windows */ |
| 244 | #ifdef TARGET_ABI32 |
| 245 | case 0x103: |
| 246 | #endif |
| 247 | flush_windows(env); |
| 248 | /* next instruction */ |
| 249 | env->pc = env->npc; |
| 250 | env->npc = env->npc + 4; |
| 251 | break; |
| 252 | #ifndef TARGET_SPARC64 |
| 253 | case TT_WIN_OVF: /* window overflow */ |
| 254 | save_window(env); |
| 255 | break; |
| 256 | case TT_WIN_UNF: /* window underflow */ |
| 257 | restore_window(env); |
| 258 | break; |
| 259 | case TT_TFAULT: |
| 260 | case TT_DFAULT: |
| 261 | #if 0 |
| 262 | { |
| 263 | info.si_signo = SIGSEGV; |
| 264 | info.si_errno = 0; |
| 265 | /* XXX: check env->error_code */ |
| 266 | info.si_code = TARGET_SEGV_MAPERR; |
| 267 | info._sifields._sigfault._addr = env->mmuregs[4]; |
| 268 | queue_signal(env, info.si_signo, &info); |
| 269 | } |
| 270 | #endif |
| 271 | break; |
| 272 | #else |
| 273 | case TT_SPILL: /* window overflow */ |
| 274 | save_window(env); |
| 275 | break; |
| 276 | case TT_FILL: /* window underflow */ |
| 277 | restore_window(env); |
| 278 | break; |
| 279 | case TT_TFAULT: |
| 280 | case TT_DFAULT: |
| 281 | #if 0 |
| 282 | { |
| 283 | info.si_signo = SIGSEGV; |
| 284 | info.si_errno = 0; |
| 285 | /* XXX: check env->error_code */ |
| 286 | info.si_code = TARGET_SEGV_MAPERR; |
| 287 | if (trapnr == TT_DFAULT) |
| 288 | info._sifields._sigfault._addr = env->dmmuregs[4]; |
| 289 | else |
| 290 | info._sifields._sigfault._addr = env->tsptr->tpc; |
| 291 | //queue_signal(env, info.si_signo, &info); |
| 292 | } |
| 293 | #endif |
| 294 | break; |
| 295 | #endif |
| 296 | case EXCP_INTERRUPT: |
| 297 | /* just indicate that signals should be handled asap */ |
| 298 | break; |
| 299 | case EXCP_DEBUG: |
| 300 | { |
| 301 | int sig; |
| 302 | |
| 303 | sig = gdb_handlesig (env, TARGET_SIGTRAP); |
| 304 | #if 0 |
| 305 | if (sig) |
| 306 | { |
| 307 | info.si_signo = sig; |
| 308 | info.si_errno = 0; |
| 309 | info.si_code = TARGET_TRAP_BRKPT; |
| 310 | //queue_signal(env, info.si_signo, &info); |
| 311 | } |
| 312 | #endif |
| 313 | } |
| 314 | break; |
| 315 | default: |
| 316 | printf ("Unhandled trap: 0x%x\n", trapnr); |
| 317 | cpu_dump_state(env, stderr, fprintf, 0); |
| 318 | exit (1); |
| 319 | } |
| 320 | process_pending_signals (env); |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | #endif |
| 325 | |
| 326 | static void usage(void) |
| 327 | { |
| 328 | printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n" |
| 329 | "usage: qemu-" TARGET_ARCH " [options] program [arguments...]\n" |
| 330 | "BSD CPU emulator (compiled for %s emulation)\n" |
| 331 | "\n" |
| 332 | "Standard options:\n" |
| 333 | "-h print this help\n" |
| 334 | "-g port wait gdb connection to port\n" |
| 335 | "-L path set the elf interpreter prefix (default=%s)\n" |
| 336 | "-s size set the stack size in bytes (default=%ld)\n" |
| 337 | "-cpu model select CPU (-cpu ? for list)\n" |
| 338 | "-drop-ld-preload drop LD_PRELOAD for target process\n" |
| 339 | "-bsd type select emulated BSD type FreeBSD/NetBSD/OpenBSD (default)\n" |
| 340 | "\n" |
| 341 | "Debug options:\n" |
| 342 | "-d options activate log (logfile=%s)\n" |
| 343 | "-p pagesize set the host page size to 'pagesize'\n" |
| 344 | "-strace log system calls\n" |
| 345 | "\n" |
| 346 | "Environment variables:\n" |
| 347 | "QEMU_STRACE Print system calls and arguments similar to the\n" |
| 348 | " 'strace' program. Enable by setting to any value.\n" |
| 349 | , |
| 350 | TARGET_ARCH, |
| 351 | interp_prefix, |
| 352 | x86_stack_size, |
| 353 | DEBUG_LOGFILE); |
| 354 | _exit(1); |
| 355 | } |
| 356 | |
| 357 | THREAD CPUState *thread_env; |
| 358 | |
| 359 | /* Assumes contents are already zeroed. */ |
| 360 | void init_task_state(TaskState *ts) |
| 361 | { |
| 362 | int i; |
| 363 | |
| 364 | ts->used = 1; |
| 365 | ts->first_free = ts->sigqueue_table; |
| 366 | for (i = 0; i < MAX_SIGQUEUE_SIZE - 1; i++) { |
| 367 | ts->sigqueue_table[i].next = &ts->sigqueue_table[i + 1]; |
| 368 | } |
| 369 | ts->sigqueue_table[i].next = NULL; |
| 370 | } |
| 371 | |
| 372 | int main(int argc, char **argv) |
| 373 | { |
| 374 | const char *filename; |
| 375 | const char *cpu_model; |
| 376 | struct target_pt_regs regs1, *regs = ®s1; |
| 377 | struct image_info info1, *info = &info1; |
| 378 | TaskState ts1, *ts = &ts1; |
| 379 | CPUState *env; |
| 380 | int optind; |
| 381 | const char *r; |
| 382 | int gdbstub_port = 0; |
| 383 | int drop_ld_preload = 0, environ_count = 0; |
| 384 | char **target_environ, **wrk, **dst; |
| 385 | enum BSDType bsd_type = target_openbsd; |
| 386 | |
| 387 | if (argc <= 1) |
| 388 | usage(); |
| 389 | |
| 390 | /* init debug */ |
| 391 | cpu_set_log_filename(DEBUG_LOGFILE); |
| 392 | |
| 393 | cpu_model = NULL; |
| 394 | optind = 1; |
| 395 | for(;;) { |
| 396 | if (optind >= argc) |
| 397 | break; |
| 398 | r = argv[optind]; |
| 399 | if (r[0] != '-') |
| 400 | break; |
| 401 | optind++; |
| 402 | r++; |
| 403 | if (!strcmp(r, "-")) { |
| 404 | break; |
| 405 | } else if (!strcmp(r, "d")) { |
| 406 | int mask; |
| 407 | const CPULogItem *item; |
| 408 | |
| 409 | if (optind >= argc) |
| 410 | break; |
| 411 | |
| 412 | r = argv[optind++]; |
| 413 | mask = cpu_str_to_log_mask(r); |
| 414 | if (!mask) { |
| 415 | printf("Log items (comma separated):\n"); |
| 416 | for(item = cpu_log_items; item->mask != 0; item++) { |
| 417 | printf("%-10s %s\n", item->name, item->help); |
| 418 | } |
| 419 | exit(1); |
| 420 | } |
| 421 | cpu_set_log(mask); |
| 422 | } else if (!strcmp(r, "s")) { |
| 423 | r = argv[optind++]; |
| 424 | x86_stack_size = strtol(r, (char **)&r, 0); |
| 425 | if (x86_stack_size <= 0) |
| 426 | usage(); |
| 427 | if (*r == 'M') |
| 428 | x86_stack_size *= 1024 * 1024; |
| 429 | else if (*r == 'k' || *r == 'K') |
| 430 | x86_stack_size *= 1024; |
| 431 | } else if (!strcmp(r, "L")) { |
| 432 | interp_prefix = argv[optind++]; |
| 433 | } else if (!strcmp(r, "p")) { |
| 434 | qemu_host_page_size = atoi(argv[optind++]); |
| 435 | if (qemu_host_page_size == 0 || |
| 436 | (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) { |
| 437 | fprintf(stderr, "page size must be a power of two\n"); |
| 438 | exit(1); |
| 439 | } |
| 440 | } else if (!strcmp(r, "g")) { |
| 441 | gdbstub_port = atoi(argv[optind++]); |
| 442 | } else if (!strcmp(r, "r")) { |
| 443 | qemu_uname_release = argv[optind++]; |
| 444 | } else if (!strcmp(r, "cpu")) { |
| 445 | cpu_model = argv[optind++]; |
| 446 | if (strcmp(cpu_model, "?") == 0) { |
| 447 | /* XXX: implement xxx_cpu_list for targets that still miss it */ |
| 448 | #if defined(cpu_list) |
| 449 | cpu_list(stdout, &fprintf); |
| 450 | #endif |
| 451 | _exit(1); |
| 452 | } |
| 453 | } else if (!strcmp(r, "drop-ld-preload")) { |
| 454 | drop_ld_preload = 1; |
| 455 | } else if (!strcmp(r, "bsd")) { |
| 456 | if (!strcasecmp(argv[optind], "freebsd")) { |
| 457 | bsd_type = target_freebsd; |
| 458 | } else if (!strcasecmp(argv[optind], "netbsd")) { |
| 459 | bsd_type = target_netbsd; |
| 460 | } else if (!strcasecmp(argv[optind], "openbsd")) { |
| 461 | bsd_type = target_openbsd; |
| 462 | } else { |
| 463 | usage(); |
| 464 | } |
| 465 | optind++; |
| 466 | } else if (!strcmp(r, "strace")) { |
| 467 | do_strace = 1; |
| 468 | } else |
| 469 | { |
| 470 | usage(); |
| 471 | } |
| 472 | } |
| 473 | if (optind >= argc) |
| 474 | usage(); |
| 475 | filename = argv[optind]; |
| 476 | |
| 477 | /* Zero out regs */ |
| 478 | memset(regs, 0, sizeof(struct target_pt_regs)); |
| 479 | |
| 480 | /* Zero out image_info */ |
| 481 | memset(info, 0, sizeof(struct image_info)); |
| 482 | |
| 483 | /* Scan interp_prefix dir for replacement files. */ |
| 484 | init_paths(interp_prefix); |
| 485 | |
| 486 | if (cpu_model == NULL) { |
| 487 | #if defined(TARGET_SPARC) |
| 488 | #ifdef TARGET_SPARC64 |
| 489 | cpu_model = "TI UltraSparc II"; |
| 490 | #else |
| 491 | cpu_model = "Fujitsu MB86904"; |
| 492 | #endif |
| 493 | #else |
| 494 | cpu_model = "any"; |
| 495 | #endif |
| 496 | } |
| 497 | cpu_exec_init_all(0); |
| 498 | /* NOTE: we need to init the CPU at this stage to get |
| 499 | qemu_host_page_size */ |
| 500 | env = cpu_init(cpu_model); |
| 501 | if (!env) { |
| 502 | fprintf(stderr, "Unable to find CPU definition\n"); |
| 503 | exit(1); |
| 504 | } |
| 505 | thread_env = env; |
| 506 | |
| 507 | if (getenv("QEMU_STRACE")) { |
| 508 | do_strace = 1; |
| 509 | } |
| 510 | |
| 511 | wrk = environ; |
| 512 | while (*(wrk++)) |
| 513 | environ_count++; |
| 514 | |
| 515 | target_environ = malloc((environ_count + 1) * sizeof(char *)); |
| 516 | if (!target_environ) |
| 517 | abort(); |
| 518 | for (wrk = environ, dst = target_environ; *wrk; wrk++) { |
| 519 | if (drop_ld_preload && !strncmp(*wrk, "LD_PRELOAD=", 11)) |
| 520 | continue; |
| 521 | *(dst++) = strdup(*wrk); |
| 522 | } |
| 523 | *dst = NULL; /* NULL terminate target_environ */ |
| 524 | |
| 525 | if (loader_exec(filename, argv+optind, target_environ, regs, info) != 0) { |
| 526 | printf("Error loading %s\n", filename); |
| 527 | _exit(1); |
| 528 | } |
| 529 | |
| 530 | for (wrk = target_environ; *wrk; wrk++) { |
| 531 | free(*wrk); |
| 532 | } |
| 533 | |
| 534 | free(target_environ); |
| 535 | |
aliguori | 93fcfe3 | 2009-01-15 22:34:14 +0000 | [diff] [blame] | 536 | log_page_dump(); |
blueswir1 | 8477850 | 2008-10-26 20:33:16 +0000 | [diff] [blame] | 537 | |
aliguori | 93fcfe3 | 2009-01-15 22:34:14 +0000 | [diff] [blame] | 538 | qemu_log("start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk); |
| 539 | qemu_log("end_code 0x" TARGET_ABI_FMT_lx "\n", info->end_code); |
| 540 | qemu_log("start_code 0x" TARGET_ABI_FMT_lx "\n", |
| 541 | info->start_code); |
| 542 | qemu_log("start_data 0x" TARGET_ABI_FMT_lx "\n", |
| 543 | info->start_data); |
| 544 | qemu_log("end_data 0x" TARGET_ABI_FMT_lx "\n", info->end_data); |
| 545 | qemu_log("start_stack 0x" TARGET_ABI_FMT_lx "\n", |
| 546 | info->start_stack); |
| 547 | qemu_log("brk 0x" TARGET_ABI_FMT_lx "\n", info->brk); |
| 548 | qemu_log("entry 0x" TARGET_ABI_FMT_lx "\n", info->entry); |
blueswir1 | 8477850 | 2008-10-26 20:33:16 +0000 | [diff] [blame] | 549 | |
| 550 | target_set_brk(info->brk); |
| 551 | syscall_init(); |
| 552 | signal_init(); |
| 553 | |
| 554 | /* build Task State */ |
| 555 | memset(ts, 0, sizeof(TaskState)); |
| 556 | init_task_state(ts); |
| 557 | ts->info = info; |
| 558 | env->opaque = ts; |
blueswir1 | 8477850 | 2008-10-26 20:33:16 +0000 | [diff] [blame] | 559 | |
| 560 | #if defined(TARGET_SPARC) |
| 561 | { |
| 562 | int i; |
| 563 | env->pc = regs->pc; |
| 564 | env->npc = regs->npc; |
| 565 | env->y = regs->y; |
| 566 | for(i = 0; i < 8; i++) |
| 567 | env->gregs[i] = regs->u_regs[i]; |
| 568 | for(i = 0; i < 8; i++) |
| 569 | env->regwptr[i] = regs->u_regs[i + 8]; |
| 570 | } |
| 571 | #else |
| 572 | #error unsupported target CPU |
| 573 | #endif |
| 574 | |
| 575 | if (gdbstub_port) { |
| 576 | gdbserver_start (gdbstub_port); |
| 577 | gdb_handlesig(env, 0); |
| 578 | } |
| 579 | cpu_loop(env, bsd_type); |
| 580 | /* never exits */ |
| 581 | return 0; |
| 582 | } |