1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 /* 29 * Libkvm Kernel Target SPARC v7 component 30 * 31 * This file provides the ISA-dependent portion of the libkvm kernel target. 32 * For more details on the implementation refer to mdb_kvm.c. 33 */ 34 35 #include <sys/types.h> 36 #include <sys/machtypes.h> 37 #include <sys/regset.h> 38 #include <sys/frame.h> 39 #include <sys/stack.h> 40 #include <sys/sysmacros.h> 41 #include <sys/panic.h> 42 #include <strings.h> 43 44 #include <mdb/mdb_target_impl.h> 45 #include <mdb/mdb_disasm.h> 46 #include <mdb/mdb_modapi.h> 47 #include <mdb/mdb_conf.h> 48 #include <mdb/mdb_kreg.h> 49 #include <mdb/mdb_kvm.h> 50 #include <mdb/mdb_err.h> 51 #include <mdb/mdb_debug.h> 52 #include <mdb/mdb.h> 53 54 /* 55 * The mdb_tgt_gregset type is opaque to callers of the target interface 56 * and to our own target common code. We now can define it explicitly. 57 */ 58 struct mdb_tgt_gregset { 59 kreg_t kregs[KREG_NGREG]; 60 }; 61 62 /* 63 * We also define an array of register names and their corresponding 64 * array indices. This is used by the getareg and putareg entry points, 65 * and also by our register variable discipline. 66 */ 67 static const mdb_tgt_regdesc_t kt_sparcv7_regs[] = { 68 { "g0", KREG_G0, MDB_TGT_R_EXPORT }, 69 { "g1", KREG_G1, MDB_TGT_R_EXPORT }, 70 { "g2", KREG_G2, MDB_TGT_R_EXPORT }, 71 { "g3", KREG_G3, MDB_TGT_R_EXPORT }, 72 { "g4", KREG_G4, MDB_TGT_R_EXPORT }, 73 { "g5", KREG_G5, MDB_TGT_R_EXPORT }, 74 { "g6", KREG_G6, MDB_TGT_R_EXPORT }, 75 { "g7", KREG_G7, MDB_TGT_R_EXPORT }, 76 { "o0", KREG_O0, MDB_TGT_R_EXPORT }, 77 { "o1", KREG_O1, MDB_TGT_R_EXPORT }, 78 { "o2", KREG_O2, MDB_TGT_R_EXPORT }, 79 { "o3", KREG_O3, MDB_TGT_R_EXPORT }, 80 { "o4", KREG_O4, MDB_TGT_R_EXPORT }, 81 { "o5", KREG_O5, MDB_TGT_R_EXPORT }, 82 { "o6", KREG_O6, MDB_TGT_R_EXPORT }, 83 { "o7", KREG_O7, MDB_TGT_R_EXPORT }, 84 { "l0", KREG_L0, MDB_TGT_R_EXPORT }, 85 { "l1", KREG_L1, MDB_TGT_R_EXPORT }, 86 { "l2", KREG_L2, MDB_TGT_R_EXPORT }, 87 { "l3", KREG_L3, MDB_TGT_R_EXPORT }, 88 { "l4", KREG_L4, MDB_TGT_R_EXPORT }, 89 { "l5", KREG_L5, MDB_TGT_R_EXPORT }, 90 { "l6", KREG_L6, MDB_TGT_R_EXPORT }, 91 { "l7", KREG_L7, MDB_TGT_R_EXPORT }, 92 { "i0", KREG_I0, MDB_TGT_R_EXPORT }, 93 { "i1", KREG_I1, MDB_TGT_R_EXPORT }, 94 { "i2", KREG_I2, MDB_TGT_R_EXPORT }, 95 { "i3", KREG_I3, MDB_TGT_R_EXPORT }, 96 { "i4", KREG_I4, MDB_TGT_R_EXPORT }, 97 { "i5", KREG_I5, MDB_TGT_R_EXPORT }, 98 { "i6", KREG_I6, MDB_TGT_R_EXPORT }, 99 { "i7", KREG_I7, MDB_TGT_R_EXPORT }, 100 { "psr", KREG_PSR, MDB_TGT_R_EXPORT }, 101 { "pc", KREG_PC, MDB_TGT_R_EXPORT }, 102 { "npc", KREG_NPC, MDB_TGT_R_EXPORT }, 103 { "y", KREG_Y, 0 }, 104 { "wim", KREG_WIM, MDB_TGT_R_EXPORT | MDB_TGT_R_PRIV }, 105 { "tbr", KREG_TBR, MDB_TGT_R_EXPORT | MDB_TGT_R_PRIV }, 106 { "sp", KREG_SP, MDB_TGT_R_EXPORT | MDB_TGT_R_ALIAS }, 107 { "fp", KREG_FP, MDB_TGT_R_EXPORT | MDB_TGT_R_ALIAS }, 108 { NULL, 0, 0 } 109 }; 110 111 static int 112 kt_getareg(mdb_tgt_t *t, mdb_tgt_tid_t tid, 113 const char *rname, mdb_tgt_reg_t *rp) 114 { 115 const mdb_tgt_regdesc_t *rdp; 116 kt_data_t *kt = t->t_data; 117 118 if (tid != kt->k_tid) 119 return (set_errno(EMDB_NOREGS)); 120 121 for (rdp = kt->k_rds; rdp->rd_name != NULL; rdp++) { 122 if (strcmp(rname, rdp->rd_name) == 0) { 123 *rp = kt->k_regs->kregs[rdp->rd_num]; 124 return (0); 125 } 126 } 127 128 return (set_errno(EMDB_BADREG)); 129 } 130 131 static int 132 kt_putareg(mdb_tgt_t *t, mdb_tgt_tid_t tid, const char *rname, mdb_tgt_reg_t r) 133 { 134 const mdb_tgt_regdesc_t *rdp; 135 kt_data_t *kt = t->t_data; 136 137 if (tid != kt->k_tid) 138 return (set_errno(EMDB_NOREGS)); 139 140 for (rdp = kt->k_rds; rdp->rd_name != NULL; rdp++) { 141 if (strcmp(rname, rdp->rd_name) == 0) { 142 kt->k_regs->kregs[rdp->rd_num] = r; 143 return (0); 144 } 145 } 146 147 return (set_errno(EMDB_BADREG)); 148 } 149 150 static int 151 kt_stack_iter(mdb_tgt_t *t, const mdb_tgt_gregset_t *gsp, 152 mdb_tgt_stack_f *func, void *arg) 153 { 154 mdb_tgt_gregset_t gregs; 155 kreg_t *kregs = &gregs.kregs[0]; 156 int got_pc = (gsp->kregs[KREG_PC] != 0); 157 158 struct rwindow rwin; 159 uintptr_t sp; 160 long argv[6]; 161 int i; 162 163 bcopy(gsp, &gregs, sizeof (gregs)); 164 165 for (;;) { 166 for (i = 0; i < 6; i++) 167 argv[i] = kregs[KREG_I0 + i]; 168 169 if (got_pc && func(arg, kregs[KREG_PC], 6, argv, &gregs) != 0) 170 break; 171 172 kregs[KREG_PC] = kregs[KREG_I7]; 173 kregs[KREG_NPC] = kregs[KREG_PC] + 4; 174 175 bcopy(&kregs[KREG_I0], &kregs[KREG_O0], 8 * sizeof (kreg_t)); 176 got_pc |= (kregs[KREG_PC] != 0); 177 178 if ((sp = kregs[KREG_FP]) == 0) 179 break; /* Stop if we're at the end of the stack */ 180 181 if (sp & (STACK_ALIGN - 1)) 182 return (set_errno(EMDB_STKALIGN)); 183 184 if (mdb_tgt_vread(t, &rwin, sizeof (rwin), sp) != sizeof (rwin)) 185 return (-1); /* Failed to read frame */ 186 187 for (i = 0; i < 8; i++) 188 kregs[KREG_L0 + i] = (uintptr_t)rwin.rw_local[i]; 189 for (i = 0; i < 8; i++) 190 kregs[KREG_I0 + i] = (uintptr_t)rwin.rw_in[i]; 191 } 192 193 return (0); 194 } 195 196 /*ARGSUSED*/ 197 static int 198 kt_regs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 199 { 200 mdb_tgt_gregset_t *k_regs = (mdb_tgt_gregset_t *)addr; 201 const kreg_t *kregs = &k_regs->kregs[0]; 202 203 if (argc != 0 || (flags & DCMD_ADDRSPEC)) 204 return (DCMD_USAGE); 205 206 #define GETREG2(x) ((uintptr_t)kregs[(x)]), ((uintptr_t)kregs[(x)]) 207 208 mdb_printf("%%g0 = 0x%0?p %15A %%l0 = 0x%0?p %A\n", 209 GETREG2(KREG_G0), GETREG2(KREG_L0)); 210 211 mdb_printf("%%g1 = 0x%0?p %15A %%l1 = 0x%0?p %A\n", 212 GETREG2(KREG_G1), GETREG2(KREG_L1)); 213 214 mdb_printf("%%g2 = 0x%0?p %15A %%l2 = 0x%0?p %A\n", 215 GETREG2(KREG_G2), GETREG2(KREG_L2)); 216 217 mdb_printf("%%g3 = 0x%0?p %15A %%l3 = 0x%0?p %A\n", 218 GETREG2(KREG_G3), GETREG2(KREG_L3)); 219 220 mdb_printf("%%g4 = 0x%0?p %15A %%l4 = 0x%0?p %A\n", 221 GETREG2(KREG_G4), GETREG2(KREG_L4)); 222 223 mdb_printf("%%g5 = 0x%0?p %15A %%l5 = 0x%0?p %A\n", 224 GETREG2(KREG_G5), GETREG2(KREG_L5)); 225 226 mdb_printf("%%g6 = 0x%0?p %15A %%l6 = 0x%0?p %A\n", 227 GETREG2(KREG_G6), GETREG2(KREG_L6)); 228 229 mdb_printf("%%g7 = 0x%0?p %15A %%l7 = 0x%0?p %A\n\n", 230 GETREG2(KREG_G7), GETREG2(KREG_L7)); 231 232 mdb_printf("%%o0 = 0x%0?p %15A %%i0 = 0x%0?p %A\n", 233 GETREG2(KREG_O0), GETREG2(KREG_I0)); 234 235 mdb_printf("%%o1 = 0x%0?p %15A %%i1 = 0x%0?p %A\n", 236 GETREG2(KREG_O1), GETREG2(KREG_I1)); 237 238 mdb_printf("%%o2 = 0x%0?p %15A %%i2 = 0x%0?p %A\n", 239 GETREG2(KREG_O2), GETREG2(KREG_I2)); 240 241 mdb_printf("%%o3 = 0x%0?p %15A %%i3 = 0x%0?p %A\n", 242 GETREG2(KREG_O3), GETREG2(KREG_I3)); 243 244 mdb_printf("%%o4 = 0x%0?p %15A %%i4 = 0x%0?p %A\n", 245 GETREG2(KREG_O4), GETREG2(KREG_I4)); 246 247 mdb_printf("%%o5 = 0x%0?p %15A %%i5 = 0x%0?p %A\n", 248 GETREG2(KREG_O5), GETREG2(KREG_I5)); 249 250 mdb_printf("%%o6 = 0x%0?p %15A %%i6 = 0x%0?p %A\n", 251 GETREG2(KREG_O6), GETREG2(KREG_I6)); 252 253 mdb_printf("%%o7 = 0x%0?p %15A %%i7 = 0x%0?p %A\n\n", 254 GETREG2(KREG_O7), GETREG2(KREG_I7)); 255 256 mdb_printf(" %%psr = 0x%08x impl=0x%x ver=0x%x icc=%c%c%c%c\n" 257 " ec=%u ef=%u pil=%u s=%u ps=%u et=%u cwp=0x%x\n", 258 kregs[KREG_PSR], 259 (kregs[KREG_PSR] & KREG_PSR_IMPL_MASK) >> KREG_PSR_IMPL_SHIFT, 260 (kregs[KREG_PSR] & KREG_PSR_VER_MASK) >> KREG_PSR_VER_SHIFT, 261 (kregs[KREG_PSR] & KREG_PSR_ICC_N_MASK) ? 'N' : 'n', 262 (kregs[KREG_PSR] & KREG_PSR_ICC_Z_MASK) ? 'Z' : 'z', 263 (kregs[KREG_PSR] & KREG_PSR_ICC_V_MASK) ? 'V' : 'v', 264 (kregs[KREG_PSR] & KREG_PSR_ICC_C_MASK) ? 'C' : 'c', 265 kregs[KREG_PSR] & KREG_PSR_EC_MASK, 266 kregs[KREG_PSR] & KREG_PSR_EF_MASK, 267 (kregs[KREG_PSR] & KREG_PSR_PIL_MASK) >> KREG_PSR_PIL_SHIFT, 268 kregs[KREG_PSR] & KREG_PSR_S_MASK, 269 kregs[KREG_PSR] & KREG_PSR_PS_MASK, 270 kregs[KREG_PSR] & KREG_PSR_ET_MASK, 271 (kregs[KREG_PSR] & KREG_PSR_CWP_MASK) >> KREG_PSR_CWP_SHIFT); 272 273 mdb_printf(" %%y = 0x%0?p\n", kregs[KREG_Y]); 274 275 mdb_printf(" %%pc = 0x%0?p %A\n", GETREG2(KREG_PC)); 276 mdb_printf(" %%npc = 0x%0?p %A\n", GETREG2(KREG_NPC)); 277 278 mdb_printf(" %%sp = 0x%0?p\n", kregs[KREG_SP]); 279 mdb_printf(" %%fp = 0x%0?p\n\n", kregs[KREG_FP]); 280 281 mdb_printf(" %%wim = 0x%08lx\n", kregs[KREG_WIM]); 282 mdb_printf(" %%tbr = 0x%08lx\n", kregs[KREG_TBR]); 283 284 return (DCMD_OK); 285 } 286 287 /*ARGSUSED*/ 288 static int 289 kt_frame(void *arglim, uintptr_t pc, uint_t argc, const long *argv, 290 const mdb_tgt_gregset_t *gregs) 291 { 292 argc = MIN(argc, (uint_t)arglim); 293 mdb_printf("%a(", pc); 294 295 if (argc != 0) { 296 mdb_printf("%lr", *argv++); 297 for (argc--; argc != 0; argc--) 298 mdb_printf(", %lr", *argv++); 299 } 300 301 mdb_printf(")\n"); 302 return (0); 303 } 304 305 static int 306 kt_framev(void *arglim, uintptr_t pc, uint_t argc, const long *argv, 307 const mdb_tgt_gregset_t *gregs) 308 { 309 argc = MIN(argc, (uint_t)arglim); 310 mdb_printf("%0?lr %a(", gregs->kregs[KREG_SP], pc); 311 312 if (argc != 0) { 313 mdb_printf("%lr", *argv++); 314 for (argc--; argc != 0; argc--) 315 mdb_printf(", %lr", *argv++); 316 } 317 318 mdb_printf(")\n"); 319 return (0); 320 } 321 322 static int 323 kt_stack_common(uintptr_t addr, uint_t flags, int argc, 324 const mdb_arg_t *argv, mdb_tgt_stack_f *func) 325 { 326 kt_data_t *kt = mdb.m_target->t_data; 327 void *arg = (void *)mdb.m_nargs; 328 mdb_tgt_gregset_t gregs, *grp; 329 330 if (flags & DCMD_ADDRSPEC) { 331 bzero(&gregs, sizeof (gregs)); 332 gregs.kregs[KREG_FP] = addr; 333 grp = &gregs; 334 } else 335 grp = kt->k_regs; 336 337 if (argc != 0) { 338 if (argv->a_type == MDB_TYPE_CHAR || argc > 1) 339 return (DCMD_USAGE); 340 341 if (argv->a_type == MDB_TYPE_STRING) 342 arg = (void *)(uint_t)mdb_strtoull(argv->a_un.a_str); 343 else 344 arg = (void *)(uint_t)argv->a_un.a_val; 345 } 346 347 (void) kt_stack_iter(mdb.m_target, grp, func, arg); 348 return (DCMD_OK); 349 } 350 351 static int 352 kt_stack(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 353 { 354 return (kt_stack_common(addr, flags, argc, argv, kt_frame)); 355 } 356 357 static int 358 kt_stackv(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 359 { 360 return (kt_stack_common(addr, flags, argc, argv, kt_framev)); 361 } 362 363 /*ARGSUSED*/ 364 static int 365 kt_notsup(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 366 { 367 errno = EMDB_TGTNOTSUP; 368 return (DCMD_ERR); 369 } 370 371 const mdb_tgt_ops_t kt_sparcv7_ops = { 372 kt_setflags, /* t_setflags */ 373 kt_setcontext, /* t_setcontext */ 374 kt_activate, /* t_activate */ 375 kt_deactivate, /* t_deactivate */ 376 (void (*)()) mdb_tgt_nop, /* t_periodic */ 377 kt_destroy, /* t_destroy */ 378 kt_name, /* t_name */ 379 (const char *(*)()) mdb_conf_isa, /* t_isa */ 380 kt_platform, /* t_platform */ 381 kt_uname, /* t_uname */ 382 kt_dmodel, /* t_dmodel */ 383 kt_aread, /* t_aread */ 384 kt_awrite, /* t_awrite */ 385 kt_vread, /* t_vread */ 386 kt_vwrite, /* t_vwrite */ 387 kt_pread, /* t_pread */ 388 kt_pwrite, /* t_pwrite */ 389 kt_fread, /* t_fread */ 390 kt_fwrite, /* t_fwrite */ 391 (ssize_t (*)()) mdb_tgt_notsup, /* t_ioread */ 392 (ssize_t (*)()) mdb_tgt_notsup, /* t_iowrite */ 393 kt_vtop, /* t_vtop */ 394 kt_lookup_by_name, /* t_lookup_by_name */ 395 kt_lookup_by_addr, /* t_lookup_by_addr */ 396 kt_symbol_iter, /* t_symbol_iter */ 397 kt_mapping_iter, /* t_mapping_iter */ 398 kt_object_iter, /* t_object_iter */ 399 kt_addr_to_map, /* t_addr_to_map */ 400 kt_name_to_map, /* t_name_to_map */ 401 kt_addr_to_ctf, /* t_addr_to_ctf */ 402 kt_name_to_ctf, /* t_name_to_ctf */ 403 kt_status, /* t_status */ 404 (int (*)()) mdb_tgt_notsup, /* t_run */ 405 (int (*)()) mdb_tgt_notsup, /* t_step */ 406 (int (*)()) mdb_tgt_notsup, /* t_step_out */ 407 (int (*)()) mdb_tgt_notsup, /* t_step_branch */ 408 (int (*)()) mdb_tgt_notsup, /* t_next */ 409 (int (*)()) mdb_tgt_notsup, /* t_cont */ 410 (int (*)()) mdb_tgt_notsup, /* t_signal */ 411 (int (*)()) mdb_tgt_null, /* t_add_vbrkpt */ 412 (int (*)()) mdb_tgt_null, /* t_add_sbrkpt */ 413 (int (*)()) mdb_tgt_null, /* t_add_pwapt */ 414 (int (*)()) mdb_tgt_null, /* t_add_vwapt */ 415 (int (*)()) mdb_tgt_null, /* t_add_iowapt */ 416 (int (*)()) mdb_tgt_null, /* t_add_sysenter */ 417 (int (*)()) mdb_tgt_null, /* t_add_sysexit */ 418 (int (*)()) mdb_tgt_null, /* t_add_signal */ 419 (int (*)()) mdb_tgt_null, /* t_add_fault */ 420 kt_getareg, /* t_getareg */ 421 kt_putareg, /* t_putareg */ 422 kt_stack_iter, /* t_stack_iter */ 423 (int (*)()) mdb_tgt_notsup /* t_auxv */ 424 }; 425 426 void 427 kt_sparcv7_init(mdb_tgt_t *t) 428 { 429 kt_data_t *kt = t->t_data; 430 431 struct rwindow rwin; 432 panic_data_t pd; 433 label_t label; 434 kreg_t *kregs; 435 436 /* 437 * Initialize the machine-dependent parts of the kernel target 438 * structure. Once this is complete and we fill in the ops 439 * vector, the target is now fully constructed and we can use 440 * the target API itself to perform the rest of our initialization. 441 */ 442 kt->k_rds = kt_sparcv7_regs; 443 kt->k_regs = mdb_zalloc(sizeof (mdb_tgt_gregset_t), UM_SLEEP); 444 kt->k_regsize = sizeof (mdb_tgt_gregset_t); 445 kt->k_dcmd_regs = kt_regs; 446 kt->k_dcmd_stack = kt_stack; 447 kt->k_dcmd_stackv = kt_stackv; 448 kt->k_dcmd_stackr = kt_stackv; 449 kt->k_dcmd_cpustack = kt_notsup; 450 kt->k_dcmd_cpuregs = kt_notsup; 451 452 t->t_ops = &kt_sparcv7_ops; 453 kregs = kt->k_regs->kregs; 454 455 (void) mdb_dis_select("v8"); 456 457 /* 458 * Don't attempt to load any thread or register information if 459 * we're examining the live operating system. 460 */ 461 if (strcmp(kt->k_symfile, "/dev/ksyms") == 0) 462 return; 463 464 /* 465 * If the panicbuf symbol is present and we can consume a panicbuf 466 * header of the appropriate version from this address, then 467 * we can initialize our current register set based on its contents: 468 */ 469 if (mdb_tgt_readsym(t, MDB_TGT_AS_VIRT, &pd, sizeof (pd), 470 MDB_TGT_OBJ_EXEC, "panicbuf") == sizeof (pd) && 471 pd.pd_version == PANICBUFVERS) { 472 473 size_t pd_size = MIN(PANICBUFSIZE, pd.pd_msgoff); 474 panic_data_t *pdp = mdb_zalloc(pd_size, UM_SLEEP); 475 uint_t i, n; 476 477 (void) mdb_tgt_readsym(t, MDB_TGT_AS_VIRT, pdp, pd_size, 478 MDB_TGT_OBJ_EXEC, "panicbuf"); 479 480 n = (pd_size - (sizeof (panic_data_t) - 481 sizeof (panic_nv_t))) / sizeof (panic_nv_t); 482 483 for (i = 0; i < n; i++) { 484 (void) kt_putareg(t, kt->k_tid, 485 pdp->pd_nvdata[i].pnv_name, 486 pdp->pd_nvdata[i].pnv_value); 487 } 488 489 mdb_free(pdp, pd_size); 490 } 491 492 /* 493 * Prior to the re-structuring of panicbuf, our only register data 494 * was the panic_regs label_t, into which a setjmp() was performed. 495 */ 496 if (kregs[KREG_PC] == 0 && kregs[KREG_SP] == 0 && 497 mdb_tgt_readsym(t, MDB_TGT_AS_VIRT, &label, sizeof (label), 498 MDB_TGT_OBJ_EXEC, "panic_regs") == sizeof (label)) { 499 500 kregs[KREG_PC] = label.val[0]; 501 kregs[KREG_SP] = label.val[1]; 502 } 503 504 /* 505 * If we can read a saved register window from the stack at %sp, 506 * we can also fill in the locals and inputs. 507 */ 508 if (kregs[KREG_SP] != 0 && mdb_tgt_vread(t, &rwin, sizeof (rwin), 509 kregs[KREG_SP]) == sizeof (rwin)) { 510 511 kregs[KREG_L0] = rwin.rw_local[0]; 512 kregs[KREG_L1] = rwin.rw_local[1]; 513 kregs[KREG_L2] = rwin.rw_local[2]; 514 kregs[KREG_L3] = rwin.rw_local[3]; 515 kregs[KREG_L4] = rwin.rw_local[4]; 516 kregs[KREG_L5] = rwin.rw_local[5]; 517 kregs[KREG_L6] = rwin.rw_local[6]; 518 kregs[KREG_L7] = rwin.rw_local[7]; 519 520 kregs[KREG_I0] = rwin.rw_in[0]; 521 kregs[KREG_I1] = rwin.rw_in[1]; 522 kregs[KREG_I2] = rwin.rw_in[2]; 523 kregs[KREG_I3] = rwin.rw_in[3]; 524 kregs[KREG_I4] = rwin.rw_in[4]; 525 kregs[KREG_I5] = rwin.rw_in[5]; 526 kregs[KREG_I6] = rwin.rw_in[6]; 527 kregs[KREG_I7] = rwin.rw_in[7]; 528 529 } else if (kregs[KREG_SP] != 0) { 530 warn("failed to read rwindow at %p -- current " 531 "frame inputs will be unavailable\n", 532 (void *)kregs[KREG_SP]); 533 } 534 } 535
Indexes created Fri Nov 27 22:38:37 UTC 2009
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