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];
365 int num, i, local = -1;
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)
388 } else if (!DEBUG_interactiveP || num == 1) {
393 if (num == NUMDBGV+1) {
394 DEBUG_Printf(DBG_CHN_MESG, "Too many addresses for symbol '%s', limiting the first %d\n", name, NUMDBGV);
397 DEBUG_Printf(DBG_CHN_MESG, "Many symbols with name '%s', choose the one you want (<cr> to abort):\n", name);
398 for (i = 0; i < num; i++) {
399 DEBUG_Printf(DBG_CHN_MESG, "[%d]: ", i + 1);
401 struct name_hash*func;
405 if (DEBUG_GetCurrentFrame(&func, &eip, &ebp))
406 DEBUG_Printf(DBG_CHN_MESG, "local variable of %s in %s\n", func->name, func->sourcefile);
408 DEBUG_Printf(DBG_CHN_MESG, "local variable\n");
410 DEBUG_PrintAddress( &value[i].addr, DEBUG_GetSelectorType(value[i].addr.seg), TRUE);
411 DEBUG_Printf(DBG_CHN_MESG, "\n");
416 if (DEBUG_ReadLine("=> ", buffer, sizeof(buffer), FALSE, FALSE))
419 if (i < 1 || i > num)
420 DEBUG_Printf(DBG_CHN_MESG, "Invalid choice %d\n", i);
422 } while (i < 1 || i > num);
424 /* The array is 0-based, but the choices are 1..n, so we have to subtract one before returning. */
431 /***********************************************************************
432 * DEBUG_GetLineNumberAddr
434 * Get the address of a named symbol.
436 BOOL DEBUG_GetLineNumberAddr( const struct name_hash * nh, const int lineno,
437 DBG_ADDR *addr, int bp_flag )
443 *addr = nh->value.addr;
446 addr->off += nh->breakpoint_offset;
452 * Search for the specific line number. If we don't find it,
455 if( nh->linetab == NULL )
460 for(i=0; i < nh->n_lines; i++ )
462 if( nh->linetab[i].line_number == lineno )
464 *addr = nh->linetab[i].pc_offset;
470 * This specific line number not found.
479 /***********************************************************************
480 * DEBUG_SetSymbolValue
482 * Set the address of a named symbol.
484 BOOL DEBUG_SetSymbolValue( const char * name, const DBG_VALUE *value )
487 struct name_hash *nh;
489 assert(value->cookie == DV_TARGET || value->cookie == DV_HOST);
491 for(nh = name_hash_table[name_hash(name)]; nh; nh = nh->next)
492 if (!strcmp(nh->name, name)) break;
494 if (!nh && (name[0] != '_'))
497 strcpy(buffer+1, name);
498 for(nh = name_hash_table[name_hash(buffer)]; nh; nh = nh->next)
499 if (!strcmp(nh->name, buffer)) break;
502 if (!nh) return FALSE;
504 nh->flags &= ~SYM_INVALID;
507 DEBUG_FixAddress( &nh->value.addr, DEBUG_context.SegDs );
514 /***********************************************************************
515 * DEBUG_FindNearestSymbol
517 * Find the symbol nearest to a given address.
518 * If ebp is specified as non-zero, it means we should dump the argument
519 * list into the string we return as well.
521 const char * DEBUG_FindNearestSymbol( const DBG_ADDR *addr, int flag,
522 struct name_hash ** rtn,
524 struct list_id * source)
526 static char name_buffer[MAX_PATH + 256];
527 static char arglist[1024];
528 static char argtmp[256];
529 struct name_hash * nearest = NULL;
533 char * lineinfo, *sourcefile;
547 source->sourcefile = NULL;
551 if( sortlist_valid == FALSE )
553 DEBUG_ResortSymbols();
556 if( sortlist_valid == FALSE )
562 * FIXME - use the binary search that we added to
563 * the function DEBUG_CheckLinenoStatus. Better yet, we should
564 * probably keep some notion of the current function so we don't
565 * have to search every time.
568 * Binary search to find closest symbol.
572 if( addr_sorttab[0]->value.addr.seg > addr->seg
573 || ( addr_sorttab[0]->value.addr.seg == addr->seg
574 && addr_sorttab[0]->value.addr.off > addr->off) )
578 else if( addr_sorttab[high - 1]->value.addr.seg < addr->seg
579 || ( addr_sorttab[high - 1]->value.addr.seg == addr->seg
580 && addr_sorttab[high - 1]->value.addr.off < addr->off) )
582 nearest = addr_sorttab[high - 1];
588 mid = (high + low)/2;
592 * See if there are any other entries that might also
593 * have the same address, and would also have a line
596 if( mid > 0 && addr_sorttab[mid]->linetab == NULL )
598 if( (addr_sorttab[mid - 1]->value.addr.seg ==
599 addr_sorttab[mid]->value.addr.seg)
600 && (addr_sorttab[mid - 1]->value.addr.off ==
601 addr_sorttab[mid]->value.addr.off)
602 && (addr_sorttab[mid - 1]->linetab != NULL) )
608 if( (mid < sorttab_nsym - 1)
609 && (addr_sorttab[mid]->linetab == NULL) )
611 if( (addr_sorttab[mid + 1]->value.addr.seg ==
612 addr_sorttab[mid]->value.addr.seg)
613 && (addr_sorttab[mid + 1]->value.addr.off ==
614 addr_sorttab[mid]->value.addr.off)
615 && (addr_sorttab[mid + 1]->linetab != NULL) )
620 nearest = addr_sorttab[mid];
622 DEBUG_Printf(DBG_CHN_MESG, "Found %x:%x when looking for %x:%x %x %s\n",
623 addr_sorttab[mid ]->value.addr.seg,
624 addr_sorttab[mid ]->value.addr.off,
625 addr->seg, addr->off,
626 addr_sorttab[mid ]->linetab,
627 addr_sorttab[mid ]->name);
631 if( (addr_sorttab[mid]->value.addr.seg < addr->seg)
632 || ( addr_sorttab[mid]->value.addr.seg == addr->seg
633 && addr_sorttab[mid]->value.addr.off <= addr->off) )
644 if (!nearest) return NULL;
652 * Fill in the relevant bits to the structure so that we can
653 * locate the source and line for this bit of code.
657 source->sourcefile = nearest->sourcefile;
658 if( nearest->linetab == NULL )
664 source->line = nearest->linetab[0].line_number;
672 * Prepare to display the argument list. If ebp is specified, it is
673 * the framepointer for the function in question. If not specified,
674 * we don't want the arglist.
676 memset(arglist, '\0', sizeof(arglist));
679 for(i=0; i < nearest->n_locals; i++ )
682 * If this is a register (offset == 0) or a local
683 * variable, we don't want to know about it.
685 if( nearest->local_vars[i].offset <= 0 )
690 ptr = (unsigned int *) (ebp + nearest->local_vars[i].offset);
691 if( arglist[0] == '\0' )
697 strcat(arglist, ", ");
699 DEBUG_READ_MEM_VERBOSE(ptr, &val, sizeof(val));
700 sprintf(argtmp, "%s=0x%x", nearest->local_vars[i].name, val);
702 strcat(arglist, argtmp);
704 if( arglist[0] == '(' )
706 strcat(arglist, ")");
710 module = DEBUG_FindModuleByAddr((void*)DEBUG_ToLinear(addr), DMT_UNKNOWN);
712 char* ptr = strrchr(module->module_name, '/');
714 if (!ptr++) ptr = module->module_name;
715 sprintf( modbuf, " in %s", ptr);
720 if( (nearest->sourcefile != NULL) && (flag == TRUE)
721 && (addr->off - nearest->value.addr.off < 0x100000) )
725 * Try and find the nearest line number to the current offset.
727 if( nearest->linetab != NULL )
730 high = nearest->n_lines;
731 while ((high - low) > 1)
733 mid = (high + low) / 2;
734 if (addr->off < nearest->linetab[mid].pc_offset.off)
739 lineno = nearest->linetab[low].line_number;
744 sprintf(linebuff, ":%d", lineno);
748 source->line = lineno;
752 /* Remove the path from the file name */
753 sourcefile = strrchr( nearest->sourcefile, '/' );
754 if (!sourcefile) sourcefile = nearest->sourcefile;
757 if (addr->off == nearest->value.addr.off)
758 sprintf( name_buffer, "%s%s [%s%s]%s", nearest->name,
759 arglist, sourcefile, lineinfo, modbuf);
761 sprintf( name_buffer, "%s+0x%lx%s [%s%s]%s", nearest->name,
762 addr->off - nearest->value.addr.off,
763 arglist, sourcefile, lineinfo, modbuf );
767 if (addr->off == nearest->value.addr.off)
768 sprintf( name_buffer, "%s%s%s", nearest->name, arglist, modbuf);
770 if (addr->seg && (nearest->value.addr.seg!=addr->seg))
773 sprintf( name_buffer, "%s+0x%lx%s%s", nearest->name,
774 addr->off - nearest->value.addr.off, arglist, modbuf);
781 /***********************************************************************
782 * DEBUG_ReadSymbolTable
784 * Read a symbol file into the hash table.
786 void DEBUG_ReadSymbolTable( const char* filename )
795 if (!(symbolfile = fopen(filename, "r")))
797 DEBUG_Printf( DBG_CHN_WARN, "Unable to open symbol table %s\n", filename );
801 DEBUG_Printf( DBG_CHN_MESG, "Reading symbols from file %s\n", filename );
806 value.cookie = DV_TARGET;
810 fgets( buffer, sizeof(buffer), symbolfile );
811 if (feof(symbolfile)) break;
813 /* Strip any text after a # sign (i.e. comments) */
816 if(*cpnt++ == '#') { *cpnt = 0; break; }
818 /* Quietly ignore any lines that have just whitespace */
822 if(*cpnt != ' ' && *cpnt != '\t') break;
825 if (!(*cpnt) || *cpnt == '\n') continue;
827 if (sscanf(buffer, "%lx %c %s", &value.addr.off, &type, name) == 3)
828 DEBUG_AddSymbol( name, &value, NULL, SYM_WINE );
835 DEBUG_AddLineNumber( struct name_hash * func, int line_num,
836 unsigned long offset )
843 if( func->n_lines + 1 >= func->lines_alloc )
845 func->lines_alloc += 64;
846 func->linetab = DBG_realloc(func->linetab,
847 func->lines_alloc * sizeof(WineLineNo));
850 func->linetab[func->n_lines].line_number = line_num;
851 func->linetab[func->n_lines].pc_offset.seg = func->value.addr.seg;
852 func->linetab[func->n_lines].pc_offset.off = func->value.addr.off + offset;
858 DEBUG_AddLocal( struct name_hash * func, int regno,
869 if( func->n_locals + 1 >= func->locals_alloc )
871 func->locals_alloc += 32;
872 func->local_vars = DBG_realloc(func->local_vars,
873 func->locals_alloc * sizeof(WineLocals));
876 func->local_vars[func->n_locals].regno = regno;
877 func->local_vars[func->n_locals].offset = offset;
878 func->local_vars[func->n_locals].pc_start = pc_start;
879 func->local_vars[func->n_locals].pc_end = pc_end;
880 func->local_vars[func->n_locals].name = DBG_strdup(name);
881 func->local_vars[func->n_locals].type = NULL;
884 return &func->local_vars[func->n_locals - 1];
888 DEBUG_DumpHashInfo(void)
892 struct name_hash *nh;
895 * Utility function to dump stats about the hash table.
897 for(i=0; i<NR_NAME_HASH; i++)
900 for (nh = name_hash_table[i]; nh; nh = nh->next)
904 DEBUG_Printf(DBG_CHN_MESG, "Bucket %d: %d\n", i, depth);
908 /***********************************************************************
909 * DEBUG_CheckLinenoStatus
911 * Find the symbol nearest to a given address.
912 * If ebp is specified as non-zero, it means we should dump the argument
913 * list into the string we return as well.
915 int DEBUG_CheckLinenoStatus( const DBG_ADDR *addr)
917 struct name_hash * nearest = NULL;
920 if( sortlist_valid == FALSE )
922 DEBUG_ResortSymbols();
926 * Binary search to find closest symbol.
930 if( addr_sorttab[0]->value.addr.seg > addr->seg
931 || ( addr_sorttab[0]->value.addr.seg == addr->seg
932 && addr_sorttab[0]->value.addr.off > addr->off) )
936 else if( addr_sorttab[high - 1]->value.addr.seg < addr->seg
937 || ( addr_sorttab[high - 1]->value.addr.seg == addr->seg
938 && addr_sorttab[high - 1]->value.addr.off < addr->off) )
940 nearest = addr_sorttab[high - 1];
946 mid = (high + low)/2;
950 * See if there are any other entries that might also
951 * have the same address, and would also have a line
954 if( mid > 0 && addr_sorttab[mid]->linetab == NULL )
956 if( (addr_sorttab[mid - 1]->value.addr.seg ==
957 addr_sorttab[mid]->value.addr.seg)
958 && (addr_sorttab[mid - 1]->value.addr.off ==
959 addr_sorttab[mid]->value.addr.off)
960 && (addr_sorttab[mid - 1]->linetab != NULL) )
966 if( (mid < sorttab_nsym - 1)
967 && (addr_sorttab[mid]->linetab == NULL) )
969 if( (addr_sorttab[mid + 1]->value.addr.seg ==
970 addr_sorttab[mid]->value.addr.seg)
971 && (addr_sorttab[mid + 1]->value.addr.off ==
972 addr_sorttab[mid]->value.addr.off)
973 && (addr_sorttab[mid + 1]->linetab != NULL) )
978 nearest = addr_sorttab[mid];
980 DEBUG_Printf(DBG_CHN_MESG, "Found %x:%x when looking for %x:%x %x %s\n",
981 addr_sorttab[mid ]->value.addr.seg,
982 addr_sorttab[mid ]->value.addr.off,
983 addr->seg, addr->off,
984 addr_sorttab[mid ]->linetab,
985 addr_sorttab[mid ]->name);
989 if( (addr_sorttab[mid]->value.addr.seg < addr->seg)
990 || ( addr_sorttab[mid]->value.addr.seg == addr->seg
991 && addr_sorttab[mid]->value.addr.off <= addr->off) )
1002 if (!nearest) return FUNC_HAS_NO_LINES;
1004 if( nearest->flags & SYM_STEP_THROUGH )
1007 * This will cause us to keep single stepping until
1008 * we get to the other side somewhere.
1010 return NOT_ON_LINENUMBER;
1013 if( (nearest->flags & SYM_TRAMPOLINE) )
1016 * This will cause us to keep single stepping until
1017 * we get to the other side somewhere.
1019 return FUNC_IS_TRAMPOLINE;
1022 if( nearest->linetab == NULL )
1024 return FUNC_HAS_NO_LINES;
1029 * We never want to stop on the first instruction of a function
1030 * even if it has it's own linenumber. Let the thing keep running
1031 * until it gets past the function prologue. We only do this if there
1032 * is more than one line number for the function, of course.
1034 if( nearest->value.addr.off == addr->off && nearest->n_lines > 1 )
1036 return NOT_ON_LINENUMBER;
1039 if( (nearest->sourcefile != NULL)
1040 && (addr->off - nearest->value.addr.off < 0x100000) )
1043 high = nearest->n_lines;
1044 while ((high - low) > 1)
1046 mid = (high + low) / 2;
1047 if (addr->off < nearest->linetab[mid].pc_offset.off) high = mid;
1050 if (addr->off == nearest->linetab[low].pc_offset.off)
1051 return AT_LINENUMBER;
1053 return NOT_ON_LINENUMBER;
1056 return FUNC_HAS_NO_LINES;
1059 /***********************************************************************
1062 * Find the symbol nearest to a given address.
1063 * Returns sourcefile name and line number in a format that the listing
1064 * handler can deal with.
1067 DEBUG_GetFuncInfo( struct list_id * ret, const char * filename,
1072 struct name_hash *nh;
1074 for(nh = name_hash_table[name_hash(name)]; nh; nh = nh->next)
1076 if( filename != NULL )
1079 if( nh->sourcefile == NULL )
1084 pnt = strrchr(nh->sourcefile, '/');
1085 if( strcmp(nh->sourcefile, filename) != 0
1086 && (pnt == NULL || strcmp(pnt + 1, filename) != 0) )
1091 if (!strcmp(nh->name, name)) break;
1094 if (!nh && (name[0] != '_'))
1097 strcpy(buffer+1, name);
1098 for(nh = name_hash_table[name_hash(buffer)]; nh; nh = nh->next)
1100 if( filename != NULL )
1102 if( nh->sourcefile == NULL )
1107 pnt = strrchr(nh->sourcefile, '/');
1108 if( strcmp(nh->sourcefile, filename) != 0
1109 && (pnt == NULL || strcmp(pnt + 1, filename) != 0) )
1114 if (!strcmp(nh->name, buffer)) break;
1120 if( filename != NULL )
1122 DEBUG_Printf(DBG_CHN_MESG, "No such function %s in %s\n", name, filename);
1126 DEBUG_Printf(DBG_CHN_MESG, "No such function %s\n", name);
1128 ret->sourcefile = NULL;
1133 ret->sourcefile = nh->sourcefile;
1136 * Search for the specific line number. If we don't find it,
1137 * then return FALSE.
1139 if( nh->linetab == NULL )
1145 ret->line = nh->linetab[0].line_number;
1149 /***********************************************************************
1150 * DEBUG_GetStackSymbolValue
1152 * Get the address of a named symbol from the current stack frame.
1155 BOOL DEBUG_GetStackSymbolValue( const char * name, DBG_VALUE *value )
1157 struct name_hash * curr_func;
1162 if( DEBUG_GetCurrentFrame(&curr_func, &eip, &ebp) == FALSE )
1167 for(i=0; i < curr_func->n_locals; i++ )
1170 * Test the range of validity of the local variable. This
1171 * comes up with RBRAC/LBRAC stabs in particular.
1173 if( (curr_func->local_vars[i].pc_start != 0)
1174 && ((eip - curr_func->value.addr.off)
1175 < curr_func->local_vars[i].pc_start) )
1180 if( (curr_func->local_vars[i].pc_end != 0)
1181 && ((eip - curr_func->value.addr.off)
1182 > curr_func->local_vars[i].pc_end) )
1187 if( strcmp(name, curr_func->local_vars[i].name) == 0 )
1190 * OK, we found it. Now figure out what to do with this.
1192 if( curr_func->local_vars[i].regno != 0 )
1195 * Register variable. Point to DEBUG_context field.
1197 assert(curr_func->local_vars[i].regno - 1 < sizeof(reg_ofs)/sizeof(reg_ofs[0]));
1198 value->addr.off = ((DWORD)&DEBUG_context) +
1199 reg_ofs[curr_func->local_vars[i].regno - 1];
1200 value->cookie = DV_HOST;
1204 value->addr.off = ebp + curr_func->local_vars[i].offset;
1205 value->cookie = DV_TARGET;
1207 value->addr.seg = 0;
1208 value->type = curr_func->local_vars[i].type;
1218 DEBUG_InfoLocals(void)
1220 struct name_hash * curr_func;
1227 if( DEBUG_GetCurrentFrame(&curr_func, &eip, &ebp) == FALSE )
1232 DEBUG_Printf(DBG_CHN_MESG, "%s:\n", curr_func->name);
1234 for(i=0; i < curr_func->n_locals; i++ )
1237 * Test the range of validity of the local variable. This
1238 * comes up with RBRAC/LBRAC stabs in particular.
1240 if( (curr_func->local_vars[i].pc_start != 0)
1241 && ((eip - curr_func->value.addr.off)
1242 < curr_func->local_vars[i].pc_start) )
1247 if( (curr_func->local_vars[i].pc_end != 0)
1248 && ((eip - curr_func->value.addr.off)
1249 > curr_func->local_vars[i].pc_end) )
1254 DEBUG_PrintTypeCast(curr_func->local_vars[i].type);
1256 if( curr_func->local_vars[i].regno != 0 )
1258 ptr = (unsigned int *)(((DWORD)&DEBUG_context)
1259 + reg_ofs[curr_func->local_vars[i].regno - 1]);
1260 DEBUG_Printf(DBG_CHN_MESG, " %s (optimized into register $%s) == 0x%8.8x\n",
1261 curr_func->local_vars[i].name,
1262 reg_name[curr_func->local_vars[i].regno - 1],
1267 DEBUG_READ_MEM_VERBOSE((void*)(ebp + curr_func->local_vars[i].offset),
1269 DEBUG_Printf(DBG_CHN_MESG, " %s == 0x%8.8x\n",
1270 curr_func->local_vars[i].name, val);
1278 DEBUG_SetSymbolSize(struct name_hash * sym, unsigned int len)
1280 sym->symbol_size = len;
1286 DEBUG_SetSymbolBPOff(struct name_hash * sym, unsigned int off)
1288 sym->breakpoint_offset = off;
1294 DEBUG_GetSymbolAddr(struct name_hash * sym, DBG_ADDR * addr)
1297 *addr = sym->value.addr;
1302 int DEBUG_SetLocalSymbolType(struct wine_locals * sym, struct datatype * type)