| stabs.c (178529) | stabs.c (178546) |
|---|---|
| 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 --- 33 unchanged lines hidden (view full) --- 42#include <sys/param.h> 43 44#include "ctftools.h" 45#include "list.h" 46#include "stack.h" 47#include "memory.h" 48#include "traverse.h" 49 | 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 --- 33 unchanged lines hidden (view full) --- 42#include <sys/param.h> 43 44#include "ctftools.h" 45#include "list.h" 46#include "stack.h" 47#include "memory.h" 48#include "traverse.h" 49 |
| 50const char *curhdr; | 50char *curhdr; |
| 51 52/* 53 * The stabs generator will sometimes reference types before they've been 54 * defined. If this is the case, a TYPEDEF_UNRES tdesc will be generated. 55 * Note that this is different from a forward declaration, in which the 56 * stab is defined, but is defined as something that doesn't exist yet. 57 * When we have read all of the stabs from the file, we can go back and 58 * fix up all of the unresolved types. We should be able to fix all of them. 59 */ 60/*ARGSUSED2*/ 61static int | 51 52/* 53 * The stabs generator will sometimes reference types before they've been 54 * defined. If this is the case, a TYPEDEF_UNRES tdesc will be generated. 55 * Note that this is different from a forward declaration, in which the 56 * stab is defined, but is defined as something that doesn't exist yet. 57 * When we have read all of the stabs from the file, we can go back and 58 * fix up all of the unresolved types. We should be able to fix all of them. 59 */ 60/*ARGSUSED2*/ 61static int |
| 62resolve_tou_node(tdesc_t *node, tdesc_t **nodep, void *private) | 62resolve_tou_node(tdesc_t *node, tdesc_t **nodep, void *private __unused) |
| 63{ 64 tdesc_t *new; 65 66 debug(3, "Trying to resolve %s (%d)\n", tdesc_name(node), node->t_id); 67 new = lookup(node->t_id); 68 69 if (new == NULL) { 70 terminate("Couldn't resolve type %d\n", node->t_id); 71 } 72 73 debug(3, " Resolving to %d\n", new->t_id); 74 75 *nodep = new; 76 77 return (1); 78} 79 80/*ARGSUSED*/ 81static int | 63{ 64 tdesc_t *new; 65 66 debug(3, "Trying to resolve %s (%d)\n", tdesc_name(node), node->t_id); 67 new = lookup(node->t_id); 68 69 if (new == NULL) { 70 terminate("Couldn't resolve type %d\n", node->t_id); 71 } 72 73 debug(3, " Resolving to %d\n", new->t_id); 74 75 *nodep = new; 76 77 return (1); 78} 79 80/*ARGSUSED*/ 81static int |
| 82resolve_fwd_node(tdesc_t *node, tdesc_t **nodep, void *private) | 82resolve_fwd_node(tdesc_t *node, tdesc_t **nodep, void *private __unused) |
| 83{ 84 tdesc_t *new = lookupname(node->t_name); 85 86 debug(3, "Trying to unforward %s (%d)\n", tdesc_name(node), node->t_id); 87 88 if (!new || (new->t_type != STRUCT && new->t_type != UNION)) 89 return (0); 90 --- 78 unchanged lines hidden (view full) --- 169 ii->ii_args = NULL; 170} 171 172/* 173 * Read the stabs from the stab ELF section, and turn them into a tdesc tree, 174 * assembled under an iidesc list. 175 */ 176int | 83{ 84 tdesc_t *new = lookupname(node->t_name); 85 86 debug(3, "Trying to unforward %s (%d)\n", tdesc_name(node), node->t_id); 87 88 if (!new || (new->t_type != STRUCT && new->t_type != UNION)) 89 return (0); 90 --- 78 unchanged lines hidden (view full) --- 169 ii->ii_args = NULL; 170} 171 172/* 173 * Read the stabs from the stab ELF section, and turn them into a tdesc tree, 174 * assembled under an iidesc list. 175 */ 176int |
| 177stabs_read(tdata_t *td, Elf *elf, const char *file) | 177stabs_read(tdata_t *td, Elf *elf, char *file) |
| 178{ 179 Elf_Scn *scn; 180 Elf_Data *data; 181 stab_t *stab; 182 stk_t *file_stack; 183 iidesc_t *iidescp; 184 iidesc_t *curfun = NULL; 185 char curpath[MAXPATHLEN]; --- 9 unchanged lines hidden (view full) --- 195 !((stabidx = findelfsecidx(elf, file, ".stab")) >= 0 && 196 (stabstridx = findelfsecidx(elf, file, ".stabstr")) >= 0)) { 197 errno = ENOENT; 198 return (-1); 199 } 200 201 file_stack = stack_new(free); 202 | 178{ 179 Elf_Scn *scn; 180 Elf_Data *data; 181 stab_t *stab; 182 stk_t *file_stack; 183 iidesc_t *iidescp; 184 iidesc_t *curfun = NULL; 185 char curpath[MAXPATHLEN]; --- 9 unchanged lines hidden (view full) --- 195 !((stabidx = findelfsecidx(elf, file, ".stab")) >= 0 && 196 (stabstridx = findelfsecidx(elf, file, ".stabstr")) >= 0)) { 197 errno = ENOENT; 198 return (-1); 199 } 200 201 file_stack = stack_new(free); 202 |
| 203 stack_push(file_stack, (void *)file); | 203 stack_push(file_stack, file); |
| 204 curhdr = file; 205 206 debug(3, "Found stabs in %d, strings in %d\n", stabidx, stabstridx); 207 208 scn = elf_getscn(elf, stabidx); 209 data = elf_rawdata(scn, NULL); 210 nstabs = data->d_size / sizeof (stab_t); 211 --- 38 unchanged lines hidden (view full) --- 250 if ((str = elf_strptr(elf, stabstridx, 251 (size_t)stab->n_strx)) == NULL) { 252 terminate("%s: Can't find string at %u for stab %d\n", 253 file, stab->n_strx, i); 254 } 255 256 if (stab->n_type == N_BINCL) { 257 curhdr = xstrdup(str); | 204 curhdr = file; 205 206 debug(3, "Found stabs in %d, strings in %d\n", stabidx, stabstridx); 207 208 scn = elf_getscn(elf, stabidx); 209 data = elf_rawdata(scn, NULL); 210 nstabs = data->d_size / sizeof (stab_t); 211 --- 38 unchanged lines hidden (view full) --- 250 if ((str = elf_strptr(elf, stabstridx, 251 (size_t)stab->n_strx)) == NULL) { 252 terminate("%s: Can't find string at %u for stab %d\n", 253 file, stab->n_strx, i); 254 } 255 256 if (stab->n_type == N_BINCL) { 257 curhdr = xstrdup(str); |
| 258 stack_push(file_stack, (void *)curhdr); | 258 stack_push(file_stack, curhdr); |
| 259 continue; 260 } else if (stab->n_type == N_SO) { 261 if (str[strlen(str) - 1] != '/') { 262 strcpy(curpath, str); 263 curfile = basename(curpath); 264 } 265 continue; 266 } else if (stab->n_type == N_OPT) { --- 115 unchanged lines hidden --- | 259 continue; 260 } else if (stab->n_type == N_SO) { 261 if (str[strlen(str) - 1] != '/') { 262 strcpy(curpath, str); 263 curfile = basename(curpath); 264 } 265 continue; 266 } else if (stab->n_type == N_OPT) { --- 115 unchanged lines hidden --- |