2 * File hash.c - generate hash tables for Wine debugger symbols
4 * Copyright (C) 1993, Eric Youngdale.
13 #include <sys/types.h>
16 #define NR_NAME_HASH 16384
18 #define PATH_MAX _MAX_PATH
22 static char * reg_name[] =
24 "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi"
27 static unsigned reg_ofs[] =
29 FIELD_OFFSET(CONTEXT, Eax), FIELD_OFFSET(CONTEXT, Ecx),
30 FIELD_OFFSET(CONTEXT, Edx), FIELD_OFFSET(CONTEXT, Ebx),
31 FIELD_OFFSET(CONTEXT, Esp), FIELD_OFFSET(CONTEXT, Ebp),
32 FIELD_OFFSET(CONTEXT, Esi), FIELD_OFFSET(CONTEXT, Edi)
35 static char * reg_name[] = { NULL }; /* FIXME */
36 static unsigned reg_ofs[] = { 0 };
42 struct name_hash * next; /* Used to look up within name hash */
48 WineLocals * local_vars;
56 unsigned short breakpoint_offset;
57 unsigned int symbol_size;
61 static BOOL DEBUG_GetStackSymbolValue( const char * name, DBG_VALUE *value );
62 static int sortlist_valid = FALSE;
64 static int sorttab_nsym;
65 static struct name_hash ** addr_sorttab = NULL;
67 static struct name_hash * name_hash_table[NR_NAME_HASH];
69 static unsigned int name_hash( const char * name )
71 unsigned int hash = 0;
79 hash = (hash << 4) + *p++;
81 if( (tmp = (hash & 0xf0000000)) )
87 return hash % NR_NAME_HASH;
91 DEBUG_cmp_sym(const void * p1, const void * p2)
93 struct name_hash ** name1 = (struct name_hash **) p1;
94 struct name_hash ** name2 = (struct name_hash **) p2;
96 if( ((*name1)->flags & SYM_INVALID) != 0 )
101 if( ((*name2)->flags & SYM_INVALID) != 0 )
106 if( (*name1)->value.addr.seg > (*name2)->value.addr.seg )
111 if( (*name1)->value.addr.seg < (*name2)->value.addr.seg )
116 if( (*name1)->value.addr.off > (*name2)->value.addr.off )
121 if( (*name1)->value.addr.off < (*name2)->value.addr.off )
129 /***********************************************************************
130 * DEBUG_ResortSymbols
132 * Rebuild sorted list of symbols.
136 DEBUG_ResortSymbols(void)
138 struct name_hash *nh;
142 for(i=0; i<NR_NAME_HASH; i++)
144 for (nh = name_hash_table[i]; nh; nh = nh->next)
146 if( (nh->flags & SYM_INVALID) == 0 )
149 DEBUG_Printf( DBG_CHN_MESG, "Symbol %s is invalid\n", nh->name );
159 addr_sorttab = (struct name_hash **) DBG_realloc(addr_sorttab,
160 nsym * sizeof(struct name_hash *));
163 for(i=0; i<NR_NAME_HASH; i++)
165 for (nh = name_hash_table[i]; nh; nh = nh->next)
167 if( (nh->flags & SYM_INVALID) == 0 )
168 addr_sorttab[nsym++] = nh;
172 qsort(addr_sorttab, nsym,
173 sizeof(struct name_hash *), DEBUG_cmp_sym);
174 sortlist_valid = TRUE;
178 /***********************************************************************
181 * Add a symbol to the table.
184 DEBUG_AddSymbol( const char * name, const DBG_VALUE *value,
185 const char * source, int flags)
187 struct name_hash * new;
188 struct name_hash *nh;
189 static char prev_source[PATH_MAX] = {'\0', };
190 static char * prev_duped_source = NULL;
193 assert(value->cookie == DV_TARGET || value->cookie == DV_HOST);
195 hash = name_hash(name);
196 for (nh = name_hash_table[hash]; nh; nh = nh->next)
198 if( ((nh->flags & SYM_INVALID) != 0) && strcmp(name, nh->name) == 0 )
201 DEBUG_Printf(DBG_CHN_MESG, "Changing address for symbol %s (%08lx:%08lx => %08lx:%08lx)\n",
202 name, nh->value.addr.seg, nh->value.addr.off, value->addr.seg, value->addr.off);
204 nh->value.addr = value->addr;
205 if( nh->value.type == NULL && value->type != NULL )
207 nh->value.type = value->type;
208 nh->value.cookie = value->cookie;
210 /* it may happen that the same symbol is defined in several compilation
211 * units, but the linker decides to merge it into a single instance.
212 * in that case, we don't clear the invalid flag for all the compilation
213 * units (N_GSYM), and wait to get the symbol from the symtab
215 if ((flags & SYM_INVALID) == 0)
216 nh->flags &= ~SYM_INVALID;
220 if (nh->value.addr.seg == value->addr.seg &&
221 nh->value.addr.off == value->addr.off &&
222 strcmp(name, nh->name) == 0 )
229 DEBUG_Printf(DBG_CHN_TRACE, "adding symbol (%s) from file '%s' at 0x%04lx:%08lx\n",
230 name, source, value->addr.seg, value->addr.off);
234 * First see if we already have an entry for this symbol. If so
235 * return it, so we don't end up with duplicates.
238 new = (struct name_hash *) DBG_alloc(sizeof(struct name_hash));
240 new->name = DBG_strdup(name);
245 * This is an enhancement to reduce memory consumption. The idea
246 * is that we duplicate a given string only once. This is a big
247 * win if there are lots of symbols defined in a given source file.
249 if( strcmp(source, prev_source) == 0 )
251 new->sourcefile = prev_duped_source;
255 strcpy(prev_source, source);
256 prev_duped_source = new->sourcefile = DBG_strdup(source);
261 new->sourcefile = NULL;
265 new->lines_alloc = 0;
269 new->locals_alloc = 0;
270 new->local_vars = NULL;
275 /* Now insert into the hash table */
276 new->next = name_hash_table[hash];
277 name_hash_table[hash] = new;
280 * Check some heuristics based upon the file name to see whether
281 * we want to step through this guy or not. These are machine generated
282 * assembly files that are used to translate between the MS way of
283 * calling things and the GCC way of calling things. In general we
284 * always want to step through.
286 if ( source != NULL ) {
287 int len = strlen(source);
289 if (len > 2 && source[len-2] == '.' && source[len-1] == 's') {
290 char* c = strrchr(source - 2, '/');
292 if (strcmp(c + 1, "asmrelay.s") == 0)
293 new->flags |= SYM_TRAMPOLINE;
298 sortlist_valid = FALSE;
302 BOOL DEBUG_Normalize(struct name_hash * nh )
306 * We aren't adding any more locals or linenumbers to this function.
307 * Free any spare memory that we might have allocated.
314 if( nh->n_locals != nh->locals_alloc )
316 nh->locals_alloc = nh->n_locals;
317 nh->local_vars = DBG_realloc(nh->local_vars,
318 nh->locals_alloc * sizeof(WineLocals));
321 if( nh->n_lines != nh->lines_alloc )
323 nh->lines_alloc = nh->n_lines;
324 nh->linetab = DBG_realloc(nh->linetab,
325 nh->lines_alloc * sizeof(WineLineNo));
331 /***********************************************************************
332 * DEBUG_GetSymbolValue
334 * Get the address of a named symbol.
336 static int DEBUG_GSV_Helper(const char* name, const int lineno,
337 DBG_VALUE* value, int num, int bp_flag)
339 struct name_hash* nh;
343 for (nh = name_hash_table[name_hash(name)]; nh; nh = nh->next)
345 if ((nh->flags & SYM_INVALID) != 0) continue;
346 if (!strcmp(nh->name, name) && DEBUG_GetLineNumberAddr( nh, lineno, &addr, bp_flag ))
348 if (i >= num) return num + 1;
349 value[i].addr = addr;
350 value[i].type = nh->value.type;
351 value[i].cookie = nh->value.cookie;
358 BOOL DEBUG_GetSymbolValue( const char * name, const int lineno,
359 DBG_VALUE *rtn, int bp_flag )
362 /* FIXME: NUMDBGV should be made variable */
363 DBG_VALUE value[NUMDBGV];
367 num = DEBUG_GSV_Helper(name, lineno, value, NUMDBGV, bp_flag);
368 if (!num && (name[0] != '_'))
372 assert(strlen(name) < sizeof(buffer) - 2); /* one for '_', one for '\0' */
374 strcpy(buffer + 1, name);
375 num = DEBUG_GSV_Helper(buffer, lineno, value, NUMDBGV, bp_flag);
378 /* now get the local symbols if any */
379 if (DEBUG_GetStackSymbolValue(name, &vtmp) && num < NUMDBGV)
387 } else if (!DEBUG_interactiveP || num == 1) {
391 if (num == NUMDBGV+1) {
392 DEBUG_Printf(DBG_CHN_MESG, "Too many addresses for symbol '%s', limiting the first %d\n", name, NUMDBGV);
395 DEBUG_Printf(DBG_CHN_MESG, "Many symbols with name '%s', choose the one you want (<cr> to abort):\n", name);
396 for (i = 0; i < num; i++) {
397 DEBUG_Printf(DBG_CHN_MESG, "[%d]: ", i + 1);
398 DEBUG_PrintAddress( &value[i].addr, DEBUG_GetSelectorType(value[i].addr.seg), TRUE);
399 DEBUG_Printf(DBG_CHN_MESG, "\n");
402 ptr = readline("=> ");
403 if (!*ptr) return FALSE;
405 } while (i < 0 || i >= num);
411 /***********************************************************************
412 * DEBUG_GetLineNumberAddr
414 * Get the address of a named symbol.
416 BOOL DEBUG_GetLineNumberAddr( const struct name_hash * nh, const int lineno,
417 DBG_ADDR *addr, int bp_flag )
423 *addr = nh->value.addr;
426 addr->off += nh->breakpoint_offset;
432 * Search for the specific line number. If we don't find it,
435 if( nh->linetab == NULL )
440 for(i=0; i < nh->n_lines; i++ )
442 if( nh->linetab[i].line_number == lineno )
444 *addr = nh->linetab[i].pc_offset;
450 * This specific line number not found.
459 /***********************************************************************
460 * DEBUG_SetSymbolValue
462 * Set the address of a named symbol.
464 BOOL DEBUG_SetSymbolValue( const char * name, const DBG_VALUE *value )
467 struct name_hash *nh;
469 assert(value->cookie == DV_TARGET || value->cookie == DV_HOST);
471 for(nh = name_hash_table[name_hash(name)]; nh; nh = nh->next)
472 if (!strcmp(nh->name, name)) break;
474 if (!nh && (name[0] != '_'))
477 strcpy(buffer+1, name);
478 for(nh = name_hash_table[name_hash(buffer)]; nh; nh = nh->next)
479 if (!strcmp(nh->name, buffer)) break;
482 if (!nh) return FALSE;
484 nh->flags &= ~SYM_INVALID;
487 DEBUG_FixAddress( &nh->value.addr, DEBUG_context.SegDs );
494 /***********************************************************************
495 * DEBUG_FindNearestSymbol
497 * Find the symbol nearest to a given address.
498 * If ebp is specified as non-zero, it means we should dump the argument
499 * list into the string we return as well.
501 const char * DEBUG_FindNearestSymbol( const DBG_ADDR *addr, int flag,
502 struct name_hash ** rtn,
504 struct list_id * source)
506 static char name_buffer[MAX_PATH + 256];
507 static char arglist[1024];
508 static char argtmp[256];
509 struct name_hash * nearest = NULL;
513 char * lineinfo, *sourcefile;
527 source->sourcefile = NULL;
531 if( sortlist_valid == FALSE )
533 DEBUG_ResortSymbols();
536 if( sortlist_valid == FALSE )
542 * FIXME - use the binary search that we added to
543 * the function DEBUG_CheckLinenoStatus. Better yet, we should
544 * probably keep some notion of the current function so we don't
545 * have to search every time.
548 * Binary search to find closest symbol.
552 if( addr_sorttab[0]->value.addr.seg > addr->seg
553 || ( addr_sorttab[0]->value.addr.seg == addr->seg
554 && addr_sorttab[0]->value.addr.off > addr->off) )
558 else if( addr_sorttab[high - 1]->value.addr.seg < addr->seg
559 || ( addr_sorttab[high - 1]->value.addr.seg == addr->seg
560 && addr_sorttab[high - 1]->value.addr.off < addr->off) )
562 nearest = addr_sorttab[high - 1];
568 mid = (high + low)/2;
572 * See if there are any other entries that might also
573 * have the same address, and would also have a line
576 if( mid > 0 && addr_sorttab[mid]->linetab == NULL )
578 if( (addr_sorttab[mid - 1]->value.addr.seg ==
579 addr_sorttab[mid]->value.addr.seg)
580 && (addr_sorttab[mid - 1]->value.addr.off ==
581 addr_sorttab[mid]->value.addr.off)
582 && (addr_sorttab[mid - 1]->linetab != NULL) )
588 if( (mid < sorttab_nsym - 1)
589 && (addr_sorttab[mid]->linetab == NULL) )
591 if( (addr_sorttab[mid + 1]->value.addr.seg ==
592 addr_sorttab[mid]->value.addr.seg)
593 && (addr_sorttab[mid + 1]->value.addr.off ==
594 addr_sorttab[mid]->value.addr.off)
595 && (addr_sorttab[mid + 1]->linetab != NULL) )
600 nearest = addr_sorttab[mid];
602 DEBUG_Printf(DBG_CHN_MESG, "Found %x:%x when looking for %x:%x %x %s\n",
603 addr_sorttab[mid ]->value.addr.seg,
604 addr_sorttab[mid ]->value.addr.off,
605 addr->seg, addr->off,
606 addr_sorttab[mid ]->linetab,
607 addr_sorttab[mid ]->name);
611 if( (addr_sorttab[mid]->value.addr.seg < addr->seg)
612 || ( addr_sorttab[mid]->value.addr.seg == addr->seg
613 && addr_sorttab[mid]->value.addr.off <= addr->off) )
624 if (!nearest) return NULL;
632 * Fill in the relevant bits to the structure so that we can
633 * locate the source and line for this bit of code.
637 source->sourcefile = nearest->sourcefile;
638 if( nearest->linetab == NULL )
644 source->line = nearest->linetab[0].line_number;
652 * Prepare to display the argument list. If ebp is specified, it is
653 * the framepointer for the function in question. If not specified,
654 * we don't want the arglist.
656 memset(arglist, '\0', sizeof(arglist));
659 for(i=0; i < nearest->n_locals; i++ )
662 * If this is a register (offset == 0) or a local
663 * variable, we don't want to know about it.
665 if( nearest->local_vars[i].offset <= 0 )
670 ptr = (unsigned int *) (ebp + nearest->local_vars[i].offset);
671 if( arglist[0] == '\0' )
677 strcat(arglist, ", ");
679 DEBUG_READ_MEM_VERBOSE(ptr, &val, sizeof(val));
680 sprintf(argtmp, "%s=0x%x", nearest->local_vars[i].name, val);
682 strcat(arglist, argtmp);
684 if( arglist[0] == '(' )
686 strcat(arglist, ")");
690 module = DEBUG_FindModuleByAddr((void*)DEBUG_ToLinear(addr), DMT_UNKNOWN);
692 char* ptr = strrchr(module->module_name, '/');
694 if (!ptr++) ptr = module->module_name;
695 sprintf( modbuf, " in %s", ptr);
700 if( (nearest->sourcefile != NULL) && (flag == TRUE)
701 && (addr->off - nearest->value.addr.off < 0x100000) )
705 * Try and find the nearest line number to the current offset.
707 if( nearest->linetab != NULL )
710 high = nearest->n_lines;
711 while ((high - low) > 1)
713 mid = (high + low) / 2;
714 if (addr->off < nearest->linetab[mid].pc_offset.off)
719 lineno = nearest->linetab[low].line_number;
724 sprintf(linebuff, ":%d", lineno);
728 source->line = lineno;
732 /* Remove the path from the file name */
733 sourcefile = strrchr( nearest->sourcefile, '/' );
734 if (!sourcefile) sourcefile = nearest->sourcefile;
737 if (addr->off == nearest->value.addr.off)
738 sprintf( name_buffer, "%s%s [%s%s]%s", nearest->name,
739 arglist, sourcefile, lineinfo, modbuf);
741 sprintf( name_buffer, "%s+0x%lx%s [%s%s]%s", nearest->name,
742 addr->off - nearest->value.addr.off,
743 arglist, sourcefile, lineinfo, modbuf );
747 if (addr->off == nearest->value.addr.off)
748 sprintf( name_buffer, "%s%s%s", nearest->name, arglist, modbuf);
750 if (addr->seg && (nearest->value.addr.seg!=addr->seg))
753 sprintf( name_buffer, "%s+0x%lx%s%s", nearest->name,
754 addr->off - nearest->value.addr.off, arglist, modbuf);
761 /***********************************************************************
762 * DEBUG_ReadSymbolTable
764 * Read a symbol file into the hash table.
766 void DEBUG_ReadSymbolTable( const char* filename )
775 if (!(symbolfile = fopen(filename, "r")))
777 DEBUG_Printf( DBG_CHN_WARN, "Unable to open symbol table %s\n", filename );
781 DEBUG_Printf( DBG_CHN_MESG, "Reading symbols from file %s\n", filename );
786 value.cookie = DV_TARGET;
790 fgets( buffer, sizeof(buffer), symbolfile );
791 if (feof(symbolfile)) break;
793 /* Strip any text after a # sign (i.e. comments) */
796 if(*cpnt++ == '#') { *cpnt = 0; break; }
798 /* Quietly ignore any lines that have just whitespace */
802 if(*cpnt != ' ' && *cpnt != '\t') break;
805 if (!(*cpnt) || *cpnt == '\n') continue;
807 if (sscanf(buffer, "%lx %c %s", &value.addr.off, &type, name) == 3)
808 DEBUG_AddSymbol( name, &value, NULL, SYM_WINE );
815 DEBUG_AddLineNumber( struct name_hash * func, int line_num,
816 unsigned long offset )
823 if( func->n_lines + 1 >= func->lines_alloc )
825 func->lines_alloc += 64;
826 func->linetab = DBG_realloc(func->linetab,
827 func->lines_alloc * sizeof(WineLineNo));
830 func->linetab[func->n_lines].line_number = line_num;
831 func->linetab[func->n_lines].pc_offset.seg = func->value.addr.seg;
832 func->linetab[func->n_lines].pc_offset.off = func->value.addr.off + offset;
838 DEBUG_AddLocal( struct name_hash * func, int regno,
849 if( func->n_locals + 1 >= func->locals_alloc )
851 func->locals_alloc += 32;
852 func->local_vars = DBG_realloc(func->local_vars,
853 func->locals_alloc * sizeof(WineLocals));
856 func->local_vars[func->n_locals].regno = regno;
857 func->local_vars[func->n_locals].offset = offset;
858 func->local_vars[func->n_locals].pc_start = pc_start;
859 func->local_vars[func->n_locals].pc_end = pc_end;
860 func->local_vars[func->n_locals].name = DBG_strdup(name);
861 func->local_vars[func->n_locals].type = NULL;
864 return &func->local_vars[func->n_locals - 1];
868 DEBUG_DumpHashInfo(void)
872 struct name_hash *nh;
875 * Utility function to dump stats about the hash table.
877 for(i=0; i<NR_NAME_HASH; i++)
880 for (nh = name_hash_table[i]; nh; nh = nh->next)
884 DEBUG_Printf(DBG_CHN_MESG, "Bucket %d: %d\n", i, depth);
888 /***********************************************************************
889 * DEBUG_CheckLinenoStatus
891 * Find the symbol nearest to a given address.
892 * If ebp is specified as non-zero, it means we should dump the argument
893 * list into the string we return as well.
895 int DEBUG_CheckLinenoStatus( const DBG_ADDR *addr)
897 struct name_hash * nearest = NULL;
900 if( sortlist_valid == FALSE )
902 DEBUG_ResortSymbols();
906 * Binary search to find closest symbol.
910 if( addr_sorttab[0]->value.addr.seg > addr->seg
911 || ( addr_sorttab[0]->value.addr.seg == addr->seg
912 && addr_sorttab[0]->value.addr.off > addr->off) )
916 else if( addr_sorttab[high - 1]->value.addr.seg < addr->seg
917 || ( addr_sorttab[high - 1]->value.addr.seg == addr->seg
918 && addr_sorttab[high - 1]->value.addr.off < addr->off) )
920 nearest = addr_sorttab[high - 1];
926 mid = (high + low)/2;
930 * See if there are any other entries that might also
931 * have the same address, and would also have a line
934 if( mid > 0 && addr_sorttab[mid]->linetab == NULL )
936 if( (addr_sorttab[mid - 1]->value.addr.seg ==
937 addr_sorttab[mid]->value.addr.seg)
938 && (addr_sorttab[mid - 1]->value.addr.off ==
939 addr_sorttab[mid]->value.addr.off)
940 && (addr_sorttab[mid - 1]->linetab != NULL) )
946 if( (mid < sorttab_nsym - 1)
947 && (addr_sorttab[mid]->linetab == NULL) )
949 if( (addr_sorttab[mid + 1]->value.addr.seg ==
950 addr_sorttab[mid]->value.addr.seg)
951 && (addr_sorttab[mid + 1]->value.addr.off ==
952 addr_sorttab[mid]->value.addr.off)
953 && (addr_sorttab[mid + 1]->linetab != NULL) )
958 nearest = addr_sorttab[mid];
960 DEBUG_Printf(DBG_CHN_MESG, "Found %x:%x when looking for %x:%x %x %s\n",
961 addr_sorttab[mid ]->value.addr.seg,
962 addr_sorttab[mid ]->value.addr.off,
963 addr->seg, addr->off,
964 addr_sorttab[mid ]->linetab,
965 addr_sorttab[mid ]->name);
969 if( (addr_sorttab[mid]->value.addr.seg < addr->seg)
970 || ( addr_sorttab[mid]->value.addr.seg == addr->seg
971 && addr_sorttab[mid]->value.addr.off <= addr->off) )
982 if (!nearest) return FUNC_HAS_NO_LINES;
984 if( nearest->flags & SYM_STEP_THROUGH )
987 * This will cause us to keep single stepping until
988 * we get to the other side somewhere.
990 return NOT_ON_LINENUMBER;
993 if( (nearest->flags & SYM_TRAMPOLINE) )
996 * This will cause us to keep single stepping until
997 * we get to the other side somewhere.
999 return FUNC_IS_TRAMPOLINE;
1002 if( nearest->linetab == NULL )
1004 return FUNC_HAS_NO_LINES;
1009 * We never want to stop on the first instruction of a function
1010 * even if it has it's own linenumber. Let the thing keep running
1011 * until it gets past the function prologue. We only do this if there
1012 * is more than one line number for the function, of course.
1014 if( nearest->value.addr.off == addr->off && nearest->n_lines > 1 )
1016 return NOT_ON_LINENUMBER;
1019 if( (nearest->sourcefile != NULL)
1020 && (addr->off - nearest->value.addr.off < 0x100000) )
1023 high = nearest->n_lines;
1024 while ((high - low) > 1)
1026 mid = (high + low) / 2;
1027 if (addr->off < nearest->linetab[mid].pc_offset.off) high = mid;
1030 if (addr->off == nearest->linetab[low].pc_offset.off)
1031 return AT_LINENUMBER;
1033 return NOT_ON_LINENUMBER;
1036 return FUNC_HAS_NO_LINES;
1039 /***********************************************************************
1042 * Find the symbol nearest to a given address.
1043 * Returns sourcefile name and line number in a format that the listing
1044 * handler can deal with.
1047 DEBUG_GetFuncInfo( struct list_id * ret, const char * filename,
1052 struct name_hash *nh;
1054 for(nh = name_hash_table[name_hash(name)]; nh; nh = nh->next)
1056 if( filename != NULL )
1059 if( nh->sourcefile == NULL )
1064 pnt = strrchr(nh->sourcefile, '/');
1065 if( strcmp(nh->sourcefile, filename) != 0
1066 && (pnt == NULL || strcmp(pnt + 1, filename) != 0) )
1071 if (!strcmp(nh->name, name)) break;
1074 if (!nh && (name[0] != '_'))
1077 strcpy(buffer+1, name);
1078 for(nh = name_hash_table[name_hash(buffer)]; nh; nh = nh->next)
1080 if( filename != NULL )
1082 if( nh->sourcefile == NULL )
1087 pnt = strrchr(nh->sourcefile, '/');
1088 if( strcmp(nh->sourcefile, filename) != 0
1089 && (pnt == NULL || strcmp(pnt + 1, filename) != 0) )
1094 if (!strcmp(nh->name, buffer)) break;
1100 if( filename != NULL )
1102 DEBUG_Printf(DBG_CHN_MESG, "No such function %s in %s\n", name, filename);
1106 DEBUG_Printf(DBG_CHN_MESG, "No such function %s\n", name);
1108 ret->sourcefile = NULL;
1113 ret->sourcefile = nh->sourcefile;
1116 * Search for the specific line number. If we don't find it,
1117 * then return FALSE.
1119 if( nh->linetab == NULL )
1125 ret->line = nh->linetab[0].line_number;
1129 /***********************************************************************
1130 * DEBUG_GetStackSymbolValue
1132 * Get the address of a named symbol from the current stack frame.
1135 BOOL DEBUG_GetStackSymbolValue( const char * name, DBG_VALUE *value )
1137 struct name_hash * curr_func;
1142 if( DEBUG_GetCurrentFrame(&curr_func, &eip, &ebp) == FALSE )
1147 for(i=0; i < curr_func->n_locals; i++ )
1150 * Test the range of validity of the local variable. This
1151 * comes up with RBRAC/LBRAC stabs in particular.
1153 if( (curr_func->local_vars[i].pc_start != 0)
1154 && ((eip - curr_func->value.addr.off)
1155 < curr_func->local_vars[i].pc_start) )
1160 if( (curr_func->local_vars[i].pc_end != 0)
1161 && ((eip - curr_func->value.addr.off)
1162 > curr_func->local_vars[i].pc_end) )
1167 if( strcmp(name, curr_func->local_vars[i].name) == 0 )
1170 * OK, we found it. Now figure out what to do with this.
1172 if( curr_func->local_vars[i].regno != 0 )
1175 * Register variable. Point to DEBUG_context field.
1177 assert(curr_func->local_vars[i].regno - 1 < sizeof(reg_ofs)/sizeof(reg_ofs[0]));
1178 value->addr.off = ((DWORD)&DEBUG_context) +
1179 reg_ofs[curr_func->local_vars[i].regno - 1];
1180 value->cookie = DV_HOST;
1184 value->addr.off = ebp + curr_func->local_vars[i].offset;
1185 value->cookie = DV_TARGET;
1187 value->addr.seg = 0;
1188 value->type = curr_func->local_vars[i].type;
1198 DEBUG_InfoLocals(void)
1200 struct name_hash * curr_func;
1207 if( DEBUG_GetCurrentFrame(&curr_func, &eip, &ebp) == FALSE )
1212 for(i=0; i < curr_func->n_locals; i++ )
1215 * Test the range of validity of the local variable. This
1216 * comes up with RBRAC/LBRAC stabs in particular.
1218 if( (curr_func->local_vars[i].pc_start != 0)
1219 && ((eip - curr_func->value.addr.off)
1220 < curr_func->local_vars[i].pc_start) )
1225 if( (curr_func->local_vars[i].pc_end != 0)
1226 && ((eip - curr_func->value.addr.off)
1227 > curr_func->local_vars[i].pc_end) )
1232 if( curr_func->local_vars[i].regno != 0 )
1234 ptr = (unsigned int *)(((DWORD)&DEBUG_context)
1235 + reg_ofs[curr_func->local_vars[i].regno - 1]);
1236 DEBUG_Printf(DBG_CHN_MESG, "%s:%s (optimized into register $%s) == 0x%8.8x\n",
1237 curr_func->name, curr_func->local_vars[i].name,
1238 reg_name[curr_func->local_vars[i].regno - 1],
1243 DEBUG_READ_MEM_VERBOSE((void*)(ebp + curr_func->local_vars[i].offset),
1245 DEBUG_Printf(DBG_CHN_MESG, "%s:%s == 0x%8.8x\n",
1246 curr_func->name, curr_func->local_vars[i].name, val);
1254 DEBUG_SetSymbolSize(struct name_hash * sym, unsigned int len)
1256 sym->symbol_size = len;
1262 DEBUG_SetSymbolBPOff(struct name_hash * sym, unsigned int off)
1264 sym->breakpoint_offset = off;
1270 DEBUG_GetSymbolAddr(struct name_hash * sym, DBG_ADDR * addr)
1273 *addr = sym->value.addr;
1278 int DEBUG_SetLocalSymbolType(struct wine_locals * sym, struct datatype * type)