2 * File hash.c - generate hash tables for Wine debugger symbols
4 * Copyright (C) 1993, Eric Youngdale.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library 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 GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #include <sys/types.h>
30 #define NR_NAME_HASH 16384
32 #define PATH_MAX MAX_PATH
36 static char * reg_name[] =
38 "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi"
41 static unsigned reg_ofs[] =
43 FIELD_OFFSET(CONTEXT, Eax), FIELD_OFFSET(CONTEXT, Ecx),
44 FIELD_OFFSET(CONTEXT, Edx), FIELD_OFFSET(CONTEXT, Ebx),
45 FIELD_OFFSET(CONTEXT, Esp), FIELD_OFFSET(CONTEXT, Ebp),
46 FIELD_OFFSET(CONTEXT, Esi), FIELD_OFFSET(CONTEXT, Edi)
49 static char * reg_name[] = { NULL }; /* FIXME */
50 static unsigned reg_ofs[] = { 0 };
56 struct name_hash * next; /* Used to look up within name hash */
62 WineLocals * local_vars;
70 unsigned short breakpoint_offset;
71 unsigned int symbol_size;
75 static BOOL DEBUG_GetStackSymbolValue( const char * name, DBG_VALUE *value );
76 static int sortlist_valid = FALSE;
78 static int sorttab_nsym;
79 static struct name_hash ** addr_sorttab = NULL;
81 static struct name_hash * name_hash_table[NR_NAME_HASH];
83 static unsigned int name_hash( const char * name )
85 unsigned int hash = 0;
93 hash = (hash << 4) + *p++;
95 if( (tmp = (hash & 0xf0000000)) )
101 return hash % NR_NAME_HASH;
105 DEBUG_cmp_sym(const void * p1, const void * p2)
107 struct name_hash ** name1 = (struct name_hash **) p1;
108 struct name_hash ** name2 = (struct name_hash **) p2;
110 if( ((*name1)->flags & SYM_INVALID) != 0 )
115 if( ((*name2)->flags & SYM_INVALID) != 0 )
120 if( (*name1)->value.addr.seg > (*name2)->value.addr.seg )
125 if( (*name1)->value.addr.seg < (*name2)->value.addr.seg )
130 if( (*name1)->value.addr.off > (*name2)->value.addr.off )
135 if( (*name1)->value.addr.off < (*name2)->value.addr.off )
143 /***********************************************************************
144 * DEBUG_ResortSymbols
146 * Rebuild sorted list of symbols.
150 DEBUG_ResortSymbols(void)
152 struct name_hash *nh;
156 for(i=0; i<NR_NAME_HASH; i++)
158 for (nh = name_hash_table[i]; nh; nh = nh->next)
160 if( (nh->flags & SYM_INVALID) == 0 )
163 DEBUG_Printf( DBG_CHN_MESG, "Symbol %s is invalid\n", nh->name );
173 addr_sorttab = (struct name_hash **) DBG_realloc(addr_sorttab,
174 nsym * sizeof(struct name_hash *));
177 for(i=0; i<NR_NAME_HASH; i++)
179 for (nh = name_hash_table[i]; nh; nh = nh->next)
181 if( (nh->flags & SYM_INVALID) == 0 )
182 addr_sorttab[nsym++] = nh;
186 qsort(addr_sorttab, nsym,
187 sizeof(struct name_hash *), DEBUG_cmp_sym);
188 sortlist_valid = TRUE;
192 /***********************************************************************
195 * Add a symbol to the table.
198 DEBUG_AddSymbol( const char * name, const DBG_VALUE *value,
199 const char * source, int flags)
201 struct name_hash * new;
202 struct name_hash *nh;
203 static char prev_source[PATH_MAX] = {'\0', };
204 static char * prev_duped_source = NULL;
207 assert(value->cookie == DV_TARGET || value->cookie == DV_HOST);
209 hash = name_hash(name);
210 for (nh = name_hash_table[hash]; nh; nh = nh->next)
212 if( ((nh->flags & SYM_INVALID) != 0) && strcmp(name, nh->name) == 0 )
215 DEBUG_Printf(DBG_CHN_MESG, "Changing address for symbol %s (%08lx:%08lx => %08lx:%08lx)\n",
216 name, nh->value.addr.seg, nh->value.addr.off, value->addr.seg, value->addr.off);
218 nh->value.addr = value->addr;
219 if( nh->value.type == NULL && value->type != NULL )
221 nh->value.type = value->type;
222 nh->value.cookie = value->cookie;
224 /* it may happen that the same symbol is defined in several compilation
225 * units, but the linker decides to merge it into a single instance.
226 * in that case, we don't clear the invalid flag for all the compilation
227 * units (N_GSYM), and wait to get the symbol from the symtab
229 if ((flags & SYM_INVALID) == 0)
230 nh->flags &= ~SYM_INVALID;
234 if (nh->value.addr.seg == value->addr.seg &&
235 nh->value.addr.off == value->addr.off &&
236 strcmp(name, nh->name) == 0 )
243 DEBUG_Printf(DBG_CHN_TRACE, "adding symbol (%s) from file '%s' at 0x%04lx:%08lx\n",
244 name, source, value->addr.seg, value->addr.off);
248 * First see if we already have an entry for this symbol. If so
249 * return it, so we don't end up with duplicates.
252 new = (struct name_hash *) DBG_alloc(sizeof(struct name_hash));
254 new->name = DBG_strdup(name);
259 * This is an enhancement to reduce memory consumption. The idea
260 * is that we duplicate a given string only once. This is a big
261 * win if there are lots of symbols defined in a given source file.
263 if( strcmp(source, prev_source) == 0 )
265 new->sourcefile = prev_duped_source;
269 strcpy(prev_source, source);
270 prev_duped_source = new->sourcefile = DBG_strdup(source);
275 new->sourcefile = NULL;
279 new->lines_alloc = 0;
283 new->locals_alloc = 0;
284 new->local_vars = NULL;
289 /* Now insert into the hash table */
290 new->next = name_hash_table[hash];
291 name_hash_table[hash] = new;
294 * Check some heuristics based upon the file name to see whether
295 * we want to step through this guy or not. These are machine generated
296 * assembly files that are used to translate between the MS way of
297 * calling things and the GCC way of calling things. In general we
298 * always want to step through.
300 if ( source != NULL ) {
301 int len = strlen(source);
303 if (len > 2 && source[len-2] == '.' && source[len-1] == 's') {
304 char* c = strrchr(source - 2, '/');
306 if (strcmp(c + 1, "asmrelay.s") == 0)
307 new->flags |= SYM_TRAMPOLINE;
312 sortlist_valid = FALSE;
316 BOOL DEBUG_Normalize(struct name_hash * nh )
320 * We aren't adding any more locals or linenumbers to this function.
321 * Free any spare memory that we might have allocated.
328 if( nh->n_locals != nh->locals_alloc )
330 nh->locals_alloc = nh->n_locals;
331 nh->local_vars = DBG_realloc(nh->local_vars,
332 nh->locals_alloc * sizeof(WineLocals));
335 if( nh->n_lines != nh->lines_alloc )
337 nh->lines_alloc = nh->n_lines;
338 nh->linetab = DBG_realloc(nh->linetab,
339 nh->lines_alloc * sizeof(WineLineNo));
345 /***********************************************************************
346 * DEBUG_GetSymbolValue
348 * Get the address of a named symbol.
350 static int DEBUG_GSV_Helper(const char* name, const int lineno,
351 DBG_VALUE* value, int num, int bp_flag)
353 struct name_hash* nh;
357 for (nh = name_hash_table[name_hash(name)]; nh; nh = nh->next)
359 if ((nh->flags & SYM_INVALID) != 0) continue;
360 if (!strcmp(nh->name, name) && DEBUG_GetLineNumberAddr( nh, lineno, &addr, bp_flag ))
362 if (i >= num) return num + 1;
363 value[i].addr = addr;
364 value[i].type = nh->value.type;
365 value[i].cookie = nh->value.cookie;
372 BOOL DEBUG_GetSymbolValue( const char * name, const int lineno,
373 DBG_VALUE *rtn, int bp_flag )
376 /* FIXME: NUMDBGV should be made variable */
377 DBG_VALUE value[NUMDBGV];
379 int num, i, local = -1;
381 num = DEBUG_GSV_Helper(name, lineno, value, NUMDBGV, bp_flag);
382 if (!num && (name[0] != '_'))
386 assert(strlen(name) < sizeof(buffer) - 2); /* one for '_', one for '\0' */
388 strcpy(buffer + 1, name);
389 num = DEBUG_GSV_Helper(buffer, lineno, value, NUMDBGV, bp_flag);
392 /* now get the local symbols if any */
393 if (DEBUG_GetStackSymbolValue(name, &vtmp) && num < NUMDBGV)
402 } else if (!DEBUG_InteractiveP || num == 1) {
407 if (num == NUMDBGV+1) {
408 DEBUG_Printf(DBG_CHN_MESG, "Too many addresses for symbol '%s', limiting the first %d\n", name, NUMDBGV);
411 DEBUG_Printf(DBG_CHN_MESG, "Many symbols with name '%s', choose the one you want (<cr> to abort):\n", name);
412 for (i = 0; i < num; i++) {
413 DEBUG_Printf(DBG_CHN_MESG, "[%d]: ", i + 1);
415 struct name_hash*func;
419 if (DEBUG_GetCurrentFrame(&func, &eip, &ebp))
420 DEBUG_Printf(DBG_CHN_MESG, "local variable of %s in %s\n", func->name, func->sourcefile);
422 DEBUG_Printf(DBG_CHN_MESG, "local variable\n");
424 DEBUG_PrintAddress( &value[i].addr, DEBUG_GetSelectorType(value[i].addr.seg), TRUE);
425 DEBUG_Printf(DBG_CHN_MESG, "\n");
430 if (DEBUG_ReadLine("=> ", buffer, sizeof(buffer)))
433 if (i < 1 || i > num)
434 DEBUG_Printf(DBG_CHN_MESG, "Invalid choice %d\n", i);
436 } while (i < 1 || i > num);
438 /* The array is 0-based, but the choices are 1..n, so we have to subtract one before returning. */
445 /***********************************************************************
446 * DEBUG_GetLineNumberAddr
448 * Get the address of a named symbol.
450 BOOL DEBUG_GetLineNumberAddr( const struct name_hash * nh, const int lineno,
451 DBG_ADDR *addr, int bp_flag )
457 *addr = nh->value.addr;
460 addr->off += nh->breakpoint_offset;
466 * Search for the specific line number. If we don't find it,
469 if( nh->linetab == NULL )
474 for(i=0; i < nh->n_lines; i++ )
476 if( nh->linetab[i].line_number == lineno )
478 *addr = nh->linetab[i].pc_offset;
484 * This specific line number not found.
493 /***********************************************************************
494 * DEBUG_SetSymbolValue
496 * Set the address of a named symbol.
498 BOOL DEBUG_SetSymbolValue( const char * name, const DBG_VALUE *value )
501 struct name_hash *nh;
503 assert(value->cookie == DV_TARGET || value->cookie == DV_HOST);
505 for(nh = name_hash_table[name_hash(name)]; nh; nh = nh->next)
506 if (!strcmp(nh->name, name)) break;
508 if (!nh && (name[0] != '_'))
511 strcpy(buffer+1, name);
512 for(nh = name_hash_table[name_hash(buffer)]; nh; nh = nh->next)
513 if (!strcmp(nh->name, buffer)) break;
516 if (!nh) return FALSE;
518 nh->flags &= ~SYM_INVALID;
521 DEBUG_FixAddress( &nh->value.addr, DEBUG_context.SegDs );
528 /***********************************************************************
529 * DEBUG_FindNearestSymbol
531 * Find the symbol nearest to a given address.
532 * If ebp is specified as non-zero, it means we should dump the argument
533 * list into the string we return as well.
535 const char * DEBUG_FindNearestSymbol( const DBG_ADDR *addr, int flag,
536 struct name_hash ** rtn,
538 struct list_id * source)
540 static char name_buffer[MAX_PATH + 256];
541 static char arglist[1024];
542 static char argtmp[256];
543 struct name_hash * nearest = NULL;
547 char * lineinfo, *sourcefile;
561 source->sourcefile = NULL;
565 if( sortlist_valid == FALSE )
567 DEBUG_ResortSymbols();
570 if( sortlist_valid == FALSE )
576 * FIXME - use the binary search that we added to
577 * the function DEBUG_CheckLinenoStatus. Better yet, we should
578 * probably keep some notion of the current function so we don't
579 * have to search every time.
582 * Binary search to find closest symbol.
586 if( addr_sorttab[0]->value.addr.seg > addr->seg
587 || ( addr_sorttab[0]->value.addr.seg == addr->seg
588 && addr_sorttab[0]->value.addr.off > addr->off) )
592 else if( addr_sorttab[high - 1]->value.addr.seg < addr->seg
593 || ( addr_sorttab[high - 1]->value.addr.seg == addr->seg
594 && addr_sorttab[high - 1]->value.addr.off < addr->off) )
596 nearest = addr_sorttab[high - 1];
602 mid = (high + low)/2;
606 * See if there are any other entries that might also
607 * have the same address, and would also have a line
610 if( mid > 0 && addr_sorttab[mid]->linetab == NULL )
612 if( (addr_sorttab[mid - 1]->value.addr.seg ==
613 addr_sorttab[mid]->value.addr.seg)
614 && (addr_sorttab[mid - 1]->value.addr.off ==
615 addr_sorttab[mid]->value.addr.off)
616 && (addr_sorttab[mid - 1]->linetab != NULL) )
622 if( (mid < sorttab_nsym - 1)
623 && (addr_sorttab[mid]->linetab == NULL) )
625 if( (addr_sorttab[mid + 1]->value.addr.seg ==
626 addr_sorttab[mid]->value.addr.seg)
627 && (addr_sorttab[mid + 1]->value.addr.off ==
628 addr_sorttab[mid]->value.addr.off)
629 && (addr_sorttab[mid + 1]->linetab != NULL) )
634 nearest = addr_sorttab[mid];
636 DEBUG_Printf(DBG_CHN_MESG, "Found %x:%x when looking for %x:%x %x %s\n",
637 addr_sorttab[mid ]->value.addr.seg,
638 addr_sorttab[mid ]->value.addr.off,
639 addr->seg, addr->off,
640 addr_sorttab[mid ]->linetab,
641 addr_sorttab[mid ]->name);
645 if( (addr_sorttab[mid]->value.addr.seg < addr->seg)
646 || ( addr_sorttab[mid]->value.addr.seg == addr->seg
647 && addr_sorttab[mid]->value.addr.off <= addr->off) )
658 if (!nearest) return NULL;
666 * Fill in the relevant bits to the structure so that we can
667 * locate the source and line for this bit of code.
671 source->sourcefile = nearest->sourcefile;
672 if( nearest->linetab == NULL )
678 source->line = nearest->linetab[0].line_number;
686 * Prepare to display the argument list. If ebp is specified, it is
687 * the framepointer for the function in question. If not specified,
688 * we don't want the arglist.
690 memset(arglist, '\0', sizeof(arglist));
693 for(i=0; i < nearest->n_locals; i++ )
696 * If this is a register (offset == 0) or a local
697 * variable, we don't want to know about it.
699 if( nearest->local_vars[i].offset <= 0 )
704 ptr = (unsigned int *) (ebp + nearest->local_vars[i].offset);
705 if( arglist[0] == '\0' )
711 strcat(arglist, ", ");
713 DEBUG_READ_MEM_VERBOSE(ptr, &val, sizeof(val));
714 sprintf(argtmp, "%s=0x%x", nearest->local_vars[i].name, val);
716 strcat(arglist, argtmp);
718 if( arglist[0] == '(' )
720 strcat(arglist, ")");
724 module = DEBUG_FindModuleByAddr((void*)DEBUG_ToLinear(addr), DMT_UNKNOWN);
726 char* ptr = strrchr(module->module_name, '/');
728 if (!ptr++) ptr = module->module_name;
729 sprintf( modbuf, " in %s", ptr);
734 if( (nearest->sourcefile != NULL) && (flag == TRUE)
735 && (addr->off - nearest->value.addr.off < 0x100000) )
739 * Try and find the nearest line number to the current offset.
741 if( nearest->linetab != NULL )
744 high = nearest->n_lines;
745 while ((high - low) > 1)
747 mid = (high + low) / 2;
748 if (addr->off < nearest->linetab[mid].pc_offset.off)
753 lineno = nearest->linetab[low].line_number;
758 sprintf(linebuff, ":%d", lineno);
762 source->line = lineno;
766 /* Remove the path from the file name */
767 sourcefile = strrchr( nearest->sourcefile, '/' );
768 if (!sourcefile) sourcefile = nearest->sourcefile;
771 if (addr->off == nearest->value.addr.off)
772 sprintf( name_buffer, "%s%s [%s%s]%s", nearest->name,
773 arglist, sourcefile, lineinfo, modbuf);
775 sprintf( name_buffer, "%s+0x%lx%s [%s%s]%s", nearest->name,
776 addr->off - nearest->value.addr.off,
777 arglist, sourcefile, lineinfo, modbuf );
781 if (addr->off == nearest->value.addr.off)
782 sprintf( name_buffer, "%s%s%s", nearest->name, arglist, modbuf);
784 if (addr->seg && (nearest->value.addr.seg!=addr->seg))
787 sprintf( name_buffer, "%s+0x%lx%s%s", nearest->name,
788 addr->off - nearest->value.addr.off, arglist, modbuf);
795 /***********************************************************************
796 * DEBUG_ReadSymbolTable
798 * Read a symbol file into the hash table.
800 void DEBUG_ReadSymbolTable( const char* filename, unsigned long offset )
809 if (!(symbolfile = fopen(filename, "r")))
811 DEBUG_Printf( DBG_CHN_WARN, "Unable to open symbol table %s\n", filename );
815 DEBUG_Printf( DBG_CHN_MESG, "Reading symbols from file %s\n", filename );
820 value.cookie = DV_TARGET;
824 fgets( buffer, sizeof(buffer), symbolfile );
825 if (feof(symbolfile)) break;
827 /* Strip any text after a # sign (i.e. comments) */
830 if(*cpnt++ == '#') { *cpnt = 0; break; }
832 /* Quietly ignore any lines that have just whitespace */
836 if(*cpnt != ' ' && *cpnt != '\t') break;
839 if (!(*cpnt) || *cpnt == '\n') continue;
841 if (sscanf(buffer, "%lx %c %s", &value.addr.off, &type, name) == 3)
843 if (value.addr.off + offset < value.addr.off)
844 DEBUG_Printf( DBG_CHN_WARN, "Address wrap around\n");
845 value.addr.off += offset;
846 DEBUG_AddSymbol( name, &value, NULL, SYM_WINE );
854 DEBUG_AddLineNumber( struct name_hash * func, int line_num,
855 unsigned long offset )
862 if( func->n_lines + 1 >= func->lines_alloc )
864 func->lines_alloc += 64;
865 func->linetab = DBG_realloc(func->linetab,
866 func->lines_alloc * sizeof(WineLineNo));
869 func->linetab[func->n_lines].line_number = line_num;
870 func->linetab[func->n_lines].pc_offset.seg = func->value.addr.seg;
871 func->linetab[func->n_lines].pc_offset.off = func->value.addr.off + offset;
877 DEBUG_AddLocal( struct name_hash * func, int regno,
888 if( func->n_locals + 1 >= func->locals_alloc )
890 func->locals_alloc += 32;
891 func->local_vars = DBG_realloc(func->local_vars,
892 func->locals_alloc * sizeof(WineLocals));
895 func->local_vars[func->n_locals].regno = regno;
896 func->local_vars[func->n_locals].offset = offset;
897 func->local_vars[func->n_locals].pc_start = pc_start;
898 func->local_vars[func->n_locals].pc_end = pc_end;
899 func->local_vars[func->n_locals].name = DBG_strdup(name);
900 func->local_vars[func->n_locals].type = NULL;
903 return &func->local_vars[func->n_locals - 1];
907 DEBUG_DumpHashInfo(void)
911 struct name_hash *nh;
914 * Utility function to dump stats about the hash table.
916 for(i=0; i<NR_NAME_HASH; i++)
919 for (nh = name_hash_table[i]; nh; nh = nh->next)
923 DEBUG_Printf(DBG_CHN_MESG, "Bucket %d: %d\n", i, depth);
927 /***********************************************************************
928 * DEBUG_CheckLinenoStatus
930 * Find the symbol nearest to a given address.
931 * If ebp is specified as non-zero, it means we should dump the argument
932 * list into the string we return as well.
934 int DEBUG_CheckLinenoStatus( const DBG_ADDR *addr)
936 struct name_hash * nearest = NULL;
939 if( sortlist_valid == FALSE )
941 DEBUG_ResortSymbols();
945 * Binary search to find closest symbol.
949 if( addr_sorttab[0]->value.addr.seg > addr->seg
950 || ( addr_sorttab[0]->value.addr.seg == addr->seg
951 && addr_sorttab[0]->value.addr.off > addr->off) )
955 else if( addr_sorttab[high - 1]->value.addr.seg < addr->seg
956 || ( addr_sorttab[high - 1]->value.addr.seg == addr->seg
957 && addr_sorttab[high - 1]->value.addr.off < addr->off) )
959 nearest = addr_sorttab[high - 1];
965 mid = (high + low)/2;
969 * See if there are any other entries that might also
970 * have the same address, and would also have a line
973 if( mid > 0 && addr_sorttab[mid]->linetab == NULL )
975 if( (addr_sorttab[mid - 1]->value.addr.seg ==
976 addr_sorttab[mid]->value.addr.seg)
977 && (addr_sorttab[mid - 1]->value.addr.off ==
978 addr_sorttab[mid]->value.addr.off)
979 && (addr_sorttab[mid - 1]->linetab != NULL) )
985 if( (mid < sorttab_nsym - 1)
986 && (addr_sorttab[mid]->linetab == NULL) )
988 if( (addr_sorttab[mid + 1]->value.addr.seg ==
989 addr_sorttab[mid]->value.addr.seg)
990 && (addr_sorttab[mid + 1]->value.addr.off ==
991 addr_sorttab[mid]->value.addr.off)
992 && (addr_sorttab[mid + 1]->linetab != NULL) )
997 nearest = addr_sorttab[mid];
999 DEBUG_Printf(DBG_CHN_MESG, "Found %x:%x when looking for %x:%x %x %s\n",
1000 addr_sorttab[mid ]->value.addr.seg,
1001 addr_sorttab[mid ]->value.addr.off,
1002 addr->seg, addr->off,
1003 addr_sorttab[mid ]->linetab,
1004 addr_sorttab[mid ]->name);
1008 if( (addr_sorttab[mid]->value.addr.seg < addr->seg)
1009 || ( addr_sorttab[mid]->value.addr.seg == addr->seg
1010 && addr_sorttab[mid]->value.addr.off <= addr->off) )
1021 if (!nearest) return FUNC_HAS_NO_LINES;
1023 if( nearest->flags & SYM_STEP_THROUGH )
1026 * This will cause us to keep single stepping until
1027 * we get to the other side somewhere.
1029 return NOT_ON_LINENUMBER;
1032 if( (nearest->flags & SYM_TRAMPOLINE) )
1035 * This will cause us to keep single stepping until
1036 * we get to the other side somewhere.
1038 return FUNC_IS_TRAMPOLINE;
1041 if( nearest->linetab == NULL )
1043 return FUNC_HAS_NO_LINES;
1048 * We never want to stop on the first instruction of a function
1049 * even if it has it's own linenumber. Let the thing keep running
1050 * until it gets past the function prologue. We only do this if there
1051 * is more than one line number for the function, of course.
1053 if( nearest->value.addr.off == addr->off && nearest->n_lines > 1 )
1055 return NOT_ON_LINENUMBER;
1058 if( (nearest->sourcefile != NULL)
1059 && (addr->off - nearest->value.addr.off < 0x100000) )
1062 high = nearest->n_lines;
1063 while ((high - low) > 1)
1065 mid = (high + low) / 2;
1066 if (addr->off < nearest->linetab[mid].pc_offset.off) high = mid;
1069 if (addr->off == nearest->linetab[low].pc_offset.off)
1070 return AT_LINENUMBER;
1072 return NOT_ON_LINENUMBER;
1075 return FUNC_HAS_NO_LINES;
1078 /***********************************************************************
1081 * Find the symbol nearest to a given address.
1082 * Returns sourcefile name and line number in a format that the listing
1083 * handler can deal with.
1086 DEBUG_GetFuncInfo( struct list_id * ret, const char * filename,
1091 struct name_hash *nh;
1093 for(nh = name_hash_table[name_hash(name)]; nh; nh = nh->next)
1095 if( filename != NULL )
1098 if( nh->sourcefile == NULL )
1103 pnt = strrchr(nh->sourcefile, '/');
1104 if( strcmp(nh->sourcefile, filename) != 0
1105 && (pnt == NULL || strcmp(pnt + 1, filename) != 0) )
1110 if (!strcmp(nh->name, name)) break;
1113 if (!nh && (name[0] != '_'))
1116 strcpy(buffer+1, name);
1117 for(nh = name_hash_table[name_hash(buffer)]; nh; nh = nh->next)
1119 if( filename != NULL )
1121 if( nh->sourcefile == NULL )
1126 pnt = strrchr(nh->sourcefile, '/');
1127 if( strcmp(nh->sourcefile, filename) != 0
1128 && (pnt == NULL || strcmp(pnt + 1, filename) != 0) )
1133 if (!strcmp(nh->name, buffer)) break;
1139 if( filename != NULL )
1141 DEBUG_Printf(DBG_CHN_MESG, "No such function %s in %s\n", name, filename);
1145 DEBUG_Printf(DBG_CHN_MESG, "No such function %s\n", name);
1147 ret->sourcefile = NULL;
1152 ret->sourcefile = nh->sourcefile;
1155 * Search for the specific line number. If we don't find it,
1156 * then return FALSE.
1158 if( nh->linetab == NULL )
1164 ret->line = nh->linetab[0].line_number;
1168 /***********************************************************************
1169 * DEBUG_GetStackSymbolValue
1171 * Get the address of a named symbol from the current stack frame.
1174 BOOL DEBUG_GetStackSymbolValue( const char * name, DBG_VALUE *value )
1176 struct name_hash * curr_func;
1181 if( DEBUG_GetCurrentFrame(&curr_func, &eip, &ebp) == FALSE )
1186 for(i=0; i < curr_func->n_locals; i++ )
1189 * Test the range of validity of the local variable. This
1190 * comes up with RBRAC/LBRAC stabs in particular.
1192 if( (curr_func->local_vars[i].pc_start != 0)
1193 && ((eip - curr_func->value.addr.off)
1194 < curr_func->local_vars[i].pc_start) )
1199 if( (curr_func->local_vars[i].pc_end != 0)
1200 && ((eip - curr_func->value.addr.off)
1201 > curr_func->local_vars[i].pc_end) )
1206 if( strcmp(name, curr_func->local_vars[i].name) == 0 )
1209 * OK, we found it. Now figure out what to do with this.
1211 if( curr_func->local_vars[i].regno != 0 )
1214 * Register variable. Point to DEBUG_context field.
1216 assert(curr_func->local_vars[i].regno - 1 < sizeof(reg_ofs)/sizeof(reg_ofs[0]));
1217 value->addr.off = ((DWORD)&DEBUG_context) +
1218 reg_ofs[curr_func->local_vars[i].regno - 1];
1219 value->cookie = DV_HOST;
1223 value->addr.off = ebp + curr_func->local_vars[i].offset;
1224 value->cookie = DV_TARGET;
1226 value->addr.seg = 0;
1227 value->type = curr_func->local_vars[i].type;
1237 DEBUG_InfoLocals(void)
1239 struct name_hash * curr_func;
1246 if( DEBUG_GetCurrentFrame(&curr_func, &eip, &ebp) == FALSE )
1251 DEBUG_Printf(DBG_CHN_MESG, "%s:\n", curr_func->name);
1253 for(i=0; i < curr_func->n_locals; i++ )
1256 * Test the range of validity of the local variable. This
1257 * comes up with RBRAC/LBRAC stabs in particular.
1259 if( (curr_func->local_vars[i].pc_start != 0)
1260 && ((eip - curr_func->value.addr.off)
1261 < curr_func->local_vars[i].pc_start) )
1266 if( (curr_func->local_vars[i].pc_end != 0)
1267 && ((eip - curr_func->value.addr.off)
1268 > curr_func->local_vars[i].pc_end) )
1273 DEBUG_PrintTypeCast(curr_func->local_vars[i].type);
1275 if( curr_func->local_vars[i].regno != 0 )
1277 ptr = (unsigned int *)(((DWORD)&DEBUG_context)
1278 + reg_ofs[curr_func->local_vars[i].regno - 1]);
1279 DEBUG_Printf(DBG_CHN_MESG, " %s (optimized into register $%s) == 0x%8.8x\n",
1280 curr_func->local_vars[i].name,
1281 reg_name[curr_func->local_vars[i].regno - 1],
1286 DEBUG_READ_MEM_VERBOSE((void*)(ebp + curr_func->local_vars[i].offset),
1288 DEBUG_Printf(DBG_CHN_MESG, " %s == 0x%8.8x\n",
1289 curr_func->local_vars[i].name, val);
1297 DEBUG_SetSymbolSize(struct name_hash * sym, unsigned int len)
1299 sym->symbol_size = len;
1305 DEBUG_SetSymbolBPOff(struct name_hash * sym, unsigned int off)
1307 sym->breakpoint_offset = off;
1313 DEBUG_GetSymbolAddr(struct name_hash * sym, DBG_ADDR * addr)
1316 *addr = sym->value.addr;
1321 int DEBUG_SetLocalSymbolType(struct wine_locals * sym, struct datatype * type)