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* symtab.h (DESTRUCTOR_PREFIX_P): New macro to check if physname
is a C++ destructor.
* symtab.c (gdb_mangle_name): Use it.
* symtab.c (find_methods): Do not add destructors to choice list
for constructors.
* symtab.c (decode_line_1): Make breakpoints on destructors work
for gcc-2.x again.
This commit is contained in:
Peter Schauer
parent
98a445b0fa
commit
ca6a826d84
@ -1,3 +1,13 @@
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Thu Apr 8 10:34:37 1993 Peter Schauer (pes@regent.e-technik.tu-muenchen.de)
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* symtab.h (DESTRUCTOR_PREFIX_P): New macro to check if physname
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is a C++ destructor.
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* symtab.c (gdb_mangle_name): Use it.
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* symtab.c (find_methods): Do not add destructors to choice list
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for constructors.
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* symtab.c (decode_line_1): Make breakpoints on destructors work
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for gcc-2.x again.
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Wed Apr 7 18:43:09 1993 Stu Grossman (grossman@cygnus.com)
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* ser-go32.c: Make it use serial port name.
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45
gdb/symtab.c
45
gdb/symtab.c
@ -255,8 +255,7 @@ gdb_mangle_name (type, i, j)
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char *physname = TYPE_FN_FIELD_PHYSNAME (f, j);
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char *newname = type_name_no_tag (type);
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int is_constructor = STREQ (field_name, newname);
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int is_destructor = is_constructor && physname[0] == '_'
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&& physname[1] == CPLUS_MARKER && physname[2] == '_';
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int is_destructor = is_constructor && DESTRUCTOR_PREFIX_P (physname);
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/* Need a new type prefix. */
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char *const_prefix = method->is_const ? "C" : "";
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char *volatile_prefix = method->is_volatile ? "V" : "";
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@ -920,8 +919,11 @@ find_pc_symtab (pc)
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register struct block *b;
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struct blockvector *bv;
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register struct symtab *s = NULL;
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register struct symtab *best_s = NULL;
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register struct partial_symtab *ps;
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register struct objfile *objfile;
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int distance = 0;;
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/* Search all symtabs for one whose file contains our pc */
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@ -930,10 +932,18 @@ find_pc_symtab (pc)
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bv = BLOCKVECTOR (s);
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b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
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if (BLOCK_START (b) <= pc
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&& BLOCK_END (b) > pc)
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return (s);
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&& BLOCK_END (b) > pc
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&& (distance == 0
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|| BLOCK_END (b) - BLOCK_START (b) < distance))
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{
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distance = BLOCK_END (b) - BLOCK_START (b);
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best_s = s;
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}
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}
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if (best_s != NULL)
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return(best_s);
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s = NULL;
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ps = find_pc_psymtab (pc);
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if (ps)
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@ -1380,6 +1390,9 @@ find_methods (t, name, sym_arr)
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if (TYPE_FN_FIELD_STUB (f, field_counter))
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check_stub_method (t, method_counter, field_counter);
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phys_name = TYPE_FN_FIELD_PHYSNAME (f, field_counter);
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/* Destructor is handled by caller, dont add it to the list */
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if (DESTRUCTOR_PREFIX_P (phys_name))
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continue;
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sym_arr[i1] = lookup_symbol (phys_name,
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SYMBOL_BLOCK_VALUE (sym_class),
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VAR_NAMESPACE,
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@ -1599,7 +1612,15 @@ decode_line_1 (argptr, funfirstline, default_symtab, default_line)
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/* destructors are a special case. */
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struct fn_field *f = TYPE_FN_FIELDLIST1 (t, 0);
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int len = TYPE_FN_FIELDLIST_LENGTH (t, 0) - 1;
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/* gcc 1.x puts destructor in last field,
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gcc 2.x puts destructor in first field. */
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char *phys_name = TYPE_FN_FIELD_PHYSNAME (f, len);
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if (!DESTRUCTOR_PREFIX_P (phys_name))
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{
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phys_name = TYPE_FN_FIELD_PHYSNAME (f, 0);
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if (!DESTRUCTOR_PREFIX_P (phys_name))
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phys_name = "";
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}
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sym_arr[i1] =
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lookup_symbol (phys_name, SYMBOL_BLOCK_VALUE (sym_class),
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VAR_NAMESPACE, 0, (struct symtab **)NULL);
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@ -2258,7 +2279,21 @@ list_symbols (regexp, class, bpt)
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{
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/* Set a breakpoint here, if it's a function */
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if (class == 1)
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break_command (SYMBOL_NAME(sym), 0);
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{
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/* There may be more than one function with the
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same name but in different files. In order to
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set breakpoints on all of them, we must give
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both the file name and the function name to
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break_command. */
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char *string =
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(char *) alloca (strlen (s->filename)
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+ strlen (SYMBOL_NAME(sym))
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+ 2);
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strcpy (string, s->filename);
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strcat (string, ":");
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strcat (string, SYMBOL_NAME(sym));
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break_command (string, 0);
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}
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}
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else if (!found_in_file)
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{
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38
gdb/symtab.h
38
gdb/symtab.h
@ -100,6 +100,13 @@ struct general_symbol_info
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/* end-sanitize-chill */
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} lang_u;
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} lang_specific;
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/* Which section is this symbol in? This is an index into
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section_offsets for this objfile. Negative means that the symbol
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does not get relocated relative to a section. */
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/* Disclaimer: currently this is just used for xcoff, so don't expect
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all symbol-reading code to set it correctly. */
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int section;
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};
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#define SYMBOL_NAME(symbol) (symbol)->ginfo.name
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@ -109,6 +116,7 @@ struct general_symbol_info
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#define SYMBOL_BLOCK_VALUE(symbol) (symbol)->ginfo.value.block
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#define SYMBOL_VALUE_CHAIN(symbol) (symbol)->ginfo.value.chain
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#define SYMBOL_LANGUAGE(symbol) (symbol)->ginfo.lang_specific.language
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#define SYMBOL_SECTION(symbol) (symbol)->ginfo.section
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#define SYMBOL_CPLUS_DEMANGLED_NAME(symbol) \
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(symbol)->ginfo.lang_specific.lang_u.cplus_specific.demangled_name
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@ -507,7 +515,7 @@ enum address_class
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LOC_BLOCK,
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/* Value is a constant byte-sequence pointed to by SYMBOL_VALUE_ADDRESS, in
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/* Value is a constant byte-sequence pointed to by SYMBOL_VALUE_BYTES, in
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target byte order. */
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LOC_CONST_BYTES,
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@ -518,8 +526,12 @@ enum address_class
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(FRAME_ARGS_ADDRESS). Added for i960, which passes args in regs then
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copies to frame. */
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LOC_LOCAL_ARG
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LOC_LOCAL_ARG,
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/* The variable does not actually exist in the program.
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The SYMBOL_VALUE is ignored. */
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LOC_OPTIMIZED_OUT
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};
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struct symbol
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@ -679,6 +691,17 @@ struct symtab
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struct linetable *linetable;
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/* Section in objfile->section_offsets for the blockvector and
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the linetable. */
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int block_line_section;
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/* If several symtabs share a blockvector, exactly one of them
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should be designed the primary, so that the blockvector
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is relocated exactly once by objfile_relocate. */
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int primary;
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/* Name of this source file. */
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char *filename;
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@ -854,9 +877,18 @@ struct partial_symtab
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#define OPNAME_PREFIX_P(NAME) \
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((NAME)[0] == 'o' && (NAME)[1] == 'p' && (NAME)[2] == CPLUS_MARKER)
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/* Macro that yields non-zero value iff NAME is the prefix for C++ vtbl
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names. */
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#define VTBL_PREFIX_P(NAME) \
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((NAME)[3] == CPLUS_MARKER && !strncmp ((NAME), "_vt", 3))
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/* Macro that yields non-zero value iff NAME is the prefix for C++ destructor
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names. */
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#define DESTRUCTOR_PREFIX_P(NAME) \
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((NAME)[0] == '_' && (NAME)[1] == CPLUS_MARKER && (NAME)[2] == '_')
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/* External variables and functions for the objects described above. */
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@ -935,7 +967,7 @@ prim_record_minimal_symbol PARAMS ((const char *, CORE_ADDR,
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extern void
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prim_record_minimal_symbol_and_info PARAMS ((const char *, CORE_ADDR,
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enum minimal_symbol_type,
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char *info));
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char *info, int section));
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extern struct minimal_symbol *
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lookup_minimal_symbol PARAMS ((const char *, struct objfile *));
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