diff options
Diffstat (limited to 'gdb/symtab.c')
| -rw-r--r-- | gdb/symtab.c | 192 |
1 files changed, 126 insertions, 66 deletions
diff --git a/gdb/symtab.c b/gdb/symtab.c index 3d687be09d1..d39962ec033 100644 --- a/gdb/symtab.c +++ b/gdb/symtab.c @@ -40,7 +40,7 @@ #include "linespec.h" #include "filenames.h" /* for FILENAME_CMP */ -#include "obstack.h" +#include "gdb_obstack.h" #include <sys/types.h> #include <fcntl.h> @@ -438,24 +438,26 @@ symbol_init_demangled_name (struct general_symbol_info *gsymbol, gsymbol->language_specific.cplus_specific.demangled_name = NULL; } } - if (demangled == NULL - && (gsymbol->language == language_chill - || gsymbol->language == language_auto)) - { - demangled = - chill_demangle (gsymbol->name); - if (demangled != NULL) - { - gsymbol->language = language_chill; - gsymbol->language_specific.chill_specific.demangled_name = - obsavestring (demangled, strlen (demangled), obstack); - xfree (demangled); - } - else - { - gsymbol->language_specific.chill_specific.demangled_name = NULL; - } - } +#if 0 + /* OBSOLETE if (demangled == NULL */ + /* OBSOLETE && (gsymbol->language == language_chill */ + /* OBSOLETE || gsymbol->language == language_auto)) */ + /* OBSOLETE { */ + /* OBSOLETE demangled = */ + /* OBSOLETE chill_demangle (gsymbol->name); */ + /* OBSOLETE if (demangled != NULL) */ + /* OBSOLETE { */ + /* OBSOLETE gsymbol->language = language_chill; */ + /* OBSOLETE gsymbol->language_specific.chill_specific.demangled_name = */ + /* OBSOLETE obsavestring (demangled, strlen (demangled), obstack); */ + /* OBSOLETE xfree (demangled); */ + /* OBSOLETE } */ + /* OBSOLETE else */ + /* OBSOLETE { */ + /* OBSOLETE gsymbol->language_specific.chill_specific.demangled_name = NULL; */ + /* OBSOLETE } */ + /* OBSOLETE } */ +#endif } @@ -679,12 +681,27 @@ lookup_symbol (const char *name, const struct block *block, const namespace_enum namespace, int *is_a_field_of_this, struct symtab **symtab) { - char *modified_name = NULL; - char *modified_name2 = NULL; + char *demangled_name = NULL; + const char *modified_name = NULL; const char *mangled_name = NULL; int needtofreename = 0; struct symbol *returnval; + modified_name = name; + + /* If we are using C++ language, demangle the name before doing a lookup, so + we can always binary search. */ + if (current_language->la_language == language_cplus) + { + demangled_name = cplus_demangle (name, DMGL_ANSI | DMGL_PARAMS); + if (demangled_name) + { + mangled_name = name; + modified_name = demangled_name; + needtofreename = 1; + } + } + if (case_sensitivity == case_sensitive_off) { char *copy; @@ -697,26 +714,11 @@ lookup_symbol (const char *name, const struct block *block, copy[len] = 0; modified_name = copy; } - else - modified_name = (char *) name; - - /* If we are using C++ language, demangle the name before doing a lookup, so - we can always binary search. */ - if (current_language->la_language == language_cplus) - { - modified_name2 = cplus_demangle (modified_name, DMGL_ANSI | DMGL_PARAMS); - if (modified_name2) - { - mangled_name = name; - modified_name = modified_name2; - needtofreename = 1; - } - } returnval = lookup_symbol_aux (modified_name, mangled_name, block, namespace, is_a_field_of_this, symtab); if (needtofreename) - xfree (modified_name2); + xfree (demangled_name); return returnval; } @@ -1328,6 +1330,22 @@ lookup_block_symbol (register const struct block *block, const char *name, register struct symbol *sym_found = NULL; register int do_linear_search = 1; + if (BLOCK_HASHTABLE (block)) + { + unsigned int hash_index; + hash_index = msymbol_hash_iw (name); + hash_index = hash_index % BLOCK_BUCKETS (block); + for (sym = BLOCK_BUCKET (block, hash_index); sym; sym = sym->hash_next) + { + if (SYMBOL_NAMESPACE (sym) == namespace + && (mangled_name + ? strcmp (SYMBOL_NAME (sym), mangled_name) == 0 + : SYMBOL_MATCHES_NAME (sym, name))) + return sym; + } + return NULL; + } + /* If the blocks's symbols were sorted, start with a binary search. */ if (BLOCK_SHOULD_SORT (block)) @@ -1582,14 +1600,15 @@ find_pc_sect_symtab (CORE_ADDR pc, asection *section) if (section != 0) { int i; + struct symbol *sym = NULL; - for (i = 0; i < b->nsyms; i++) + ALL_BLOCK_SYMBOLS (b, i, sym) { - fixup_symbol_section (b->sym[i], objfile); - if (section == SYMBOL_BFD_SECTION (b->sym[i])) + fixup_symbol_section (sym, objfile); + if (section == SYMBOL_BFD_SECTION (sym)) break; } - if (i >= b->nsyms) + if ((i >= BLOCK_BUCKETS (b)) && (sym == NULL)) continue; /* no symbol in this symtab matches section */ } distance = BLOCK_END (b) - BLOCK_START (b); @@ -1661,10 +1680,8 @@ find_addr_symbol (CORE_ADDR addr, struct symtab **symtabp, CORE_ADDR *symaddrp) { QUIT; block = BLOCKVECTOR_BLOCK (BLOCKVECTOR (symtab), blocknum); - top = BLOCK_NSYMS (block); - for (bot = 0; bot < top; bot++) + ALL_BLOCK_SYMBOLS (block, bot, sym) { - sym = BLOCK_SYM (block, bot); switch (SYMBOL_CLASS (sym)) { case LOC_STATIC: @@ -2795,10 +2812,9 @@ search_symbols (char *regexp, namespace_enum kind, int nfiles, char *files[], struct symbol_search *prevtail = tail; int nfound = 0; b = BLOCKVECTOR_BLOCK (bv, i); - for (j = 0; j < BLOCK_NSYMS (b); j++) + ALL_BLOCK_SYMBOLS (b, j, sym) { QUIT; - sym = BLOCK_SYM (b, j); if (file_matches (s->filename, files, nfiles) && ((regexp == NULL || SYMBOL_MATCHES_REGEXP (sym)) && ((kind == VARIABLES_NAMESPACE && SYMBOL_CLASS (sym) != LOC_TYPEDEF @@ -3719,6 +3735,49 @@ in_prologue (CORE_ADDR pc, CORE_ADDR func_start) /* Begin overload resolution functions */ + +static char * +remove_params (const char *demangled_name) +{ + const char *argp; + char *new_name; + int depth; + + if (demangled_name == NULL) + return NULL; + + /* First find the end of the arg list. */ + argp = strrchr (demangled_name, ')'); + if (argp == NULL) + return NULL; + + /* Back up to the beginning. */ + depth = 1; + + while (argp-- > demangled_name) + { + if (*argp == ')') + depth ++; + else if (*argp == '(') + { + depth --; + + if (depth == 0) + break; + } + } + if (depth != 0) + internal_error (__FILE__, __LINE__, + "bad demangled name %s\n", demangled_name); + while (argp[-1] == ' ' && argp > demangled_name) + argp --; + + new_name = xmalloc (argp - demangled_name + 1); + memcpy (new_name, demangled_name, argp - demangled_name); + new_name[argp - demangled_name] = '\0'; + return new_name; +} + /* Helper routine for make_symbol_completion_list. */ static int sym_return_val_size; @@ -3734,14 +3793,21 @@ overload_list_add_symbol (struct symbol *sym, char *oload_name) { int newsize; int i; + char *sym_name; + + /* If there is no type information, we can't do anything, so skip */ + if (SYMBOL_TYPE (sym) == NULL) + return; + + /* skip any symbols that we've already considered. */ + for (i = 0; i < sym_return_val_index; ++i) + if (!strcmp (SYMBOL_NAME (sym), SYMBOL_NAME (sym_return_val[i]))) + return; /* Get the demangled name without parameters */ - char *sym_name = cplus_demangle (SYMBOL_NAME (sym), DMGL_ARM | DMGL_ANSI); + sym_name = remove_params (SYMBOL_DEMANGLED_NAME (sym)); if (!sym_name) - { - sym_name = (char *) xmalloc (strlen (SYMBOL_NAME (sym)) + 1); - strcpy (sym_name, SYMBOL_NAME (sym)); - } + return; /* skip symbols that cannot match */ if (strcmp (sym_name, oload_name) != 0) @@ -3750,14 +3816,7 @@ overload_list_add_symbol (struct symbol *sym, char *oload_name) return; } - /* If there is no type information, we can't do anything, so skip */ - if (SYMBOL_TYPE (sym) == NULL) - return; - - /* skip any symbols that we've already considered. */ - for (i = 0; i < sym_return_val_index; ++i) - if (!strcmp (SYMBOL_NAME (sym), SYMBOL_NAME (sym_return_val[i]))) - return; + xfree (sym_name); /* We have a match for an overload instance, so add SYM to the current list * of overload instances */ @@ -3768,8 +3827,6 @@ overload_list_add_symbol (struct symbol *sym, char *oload_name) } sym_return_val[sym_return_val_index++] = sym; sym_return_val[sym_return_val_index] = NULL; - - xfree (sym_name); } /* Return a null-terminated list of pointers to function symbols that @@ -3792,14 +3849,17 @@ make_symbol_overload_list (struct symbol *fsym) /* Length of name. */ int oload_name_len = 0; - /* Look for the symbol we are supposed to complete on. - * FIXME: This should be language-specific. */ + /* Look for the symbol we are supposed to complete on. */ - oload_name = cplus_demangle (SYMBOL_NAME (fsym), DMGL_ARM | DMGL_ANSI); + oload_name = remove_params (SYMBOL_DEMANGLED_NAME (fsym)); if (!oload_name) { - oload_name = (char *) xmalloc (strlen (SYMBOL_NAME (fsym)) + 1); - strcpy (oload_name, SYMBOL_NAME (fsym)); + sym_return_val_size = 1; + sym_return_val = (struct symbol **) xmalloc (2 * sizeof (struct symbol *)); + sym_return_val[0] = fsym; + sym_return_val[1] = NULL; + + return sym_return_val; } oload_name_len = strlen (oload_name); |