the "ambiguous linespec" series

gdb
2011-12-06  Joel Brobecker  <brobecker@acacore.com>

        * language.h (struct language_defn): Add new component
        la_symbol_name_compare.
        * symfile.h (struct quick_symbol_functions): Update the profile
        of parameter "name_matcher" for the expand_symtabs_matching
        method.  Update the documentation accordingly.
        * ada-lang.h (ada_name_for_lookup): Add declaration.
        * ada-lang.c (ada_name_for_lookup): New function, extracted out
        from ada_iterate_over_symbols.
        (ada_iterate_over_symbols): Do not encode symbol name anymore.
        (ada_expand_partial_symbol_name): Adjust profile.
        (ada_language_defn): Add value for la_symbol_name_compare field.
        * linespec.c: #include "ada-lang.h".
        (iterate_name_matcher): Add language parameter. Replace call
        to strcmp_iw by call to language->la_symbol_name_compare.
        (decode_variable): Encode COPY if current language is Ada.
        * dwarf2read.c (dw2_expand_symtabs_matching): Adjust profile
        of name_matcher parameter.  Adjust call to name_matcher.
        * psymtab.c (expand_symtabs_matching_via_partial): Likewise.
        (expand_partial_symbol_names): Update profile of parameter "fun".
        * psymtab.h (expand_partial_symbol_names): Update profile of
        parameter "fun".
        * symtab.c (demangle_for_lookup): Update function documentation.
        (search_symbols_name_matches): Add language parameter.
        (expand_partial_symbol_name): Likewise.
        * c-lang.c (c_language_defn, cplus_language_defn)
        (asm_language_defn, minimal_language_defn): Add value for
        la_symbol_name_compare field.
        * d-lang.c (d_language_defn): Likewise.
        * f-lang.c (f_language_defn): Ditto.
        * jv-lang.c (java_language_defn): Ditto.
        * m2-lang.c (m2_language_defn): Ditto.
        * objc-lang.c (objc_language_defn): Ditto.
        * opencl-lang.c (opencl_language_defn): Ditto.
        * p-lang.c (pascal_language_defn): Ditto.
        * language.c (unknown_language_defn, auto_language_defn)
        (local_language_defn): Ditto.

2011-12-06  Tom Tromey  <tromey@redhat.com>

	* linespec.c (iterate_over_all_matching_symtabs): Use
	LA_ITERATE_OVER_SYMBOLS.
	(lookup_prefix_sym, add_matching_symbols_to_info): Likewise.
	(find_function_symbols, decode_variable): Remove Ada special
	case.
	* language.h (struct language_defn) <la_iterate_over_symbols>: New
	field.
	(LA_ITERATE_OVER_SYMBOLS): New macro.
	* language.c (unknown_language_defn, auto_language_defn)
	(local_language_defn): Update.
	* c-lang.c (c_language_defn, cplus_language_defn)
	(asm_language_defn, minimal_language_defn): Update.
	* d-lang.c (d_language_defn): Update.
	* f-lang.c (f_language_defn): Update.
	* jv-lang.c (java_language_defn): Update.
	* m2-lang.c (m2_language_defn): Update.
	* objc-lang.c (objc_language_defn): Update.
	* opencl-lang.c (opencl_language_defn): Update.
	* p-lang.c (pascal_language_defn): Update.
	* ada-lang.c (ada_iterate_over_symbols): New function.
	(ada_language_defn): Update.

2011-12-06  Tom Tromey  <tromey@redhat.com>
	    Joel Brobecker  <brobecker@acacore.com>

	PR breakpoints/13105, PR objc/8341, PR objc/8343, PR objc/8366,
	PR objc/8535, PR breakpoints/11657, PR breakpoints/11970,
	PR breakpoints/12023, PR breakpoints/12334, PR breakpoints/12856,
	PR shlibs/8929, PR shlibs/7393:
	* python/py-type.c (compare_maybe_null_strings): Rename from
	compare_strings.
	(check_types_equal): Update.
	* utils.c (compare_strings): New function.
	* tui/tui-winsource.c (tui_update_breakpoint_info): Update for
	location changes.
	* tracepoint.c (scope_info): Update.
	(trace_find_line_command): Use DECODE_LINE_FUNFIRSTLINE.
	* symtab.h (iterate_over_minimal_symbols)
	(iterate_over_some_symtabs, iterate_over_symtabs)
	(find_pcs_for_symtab_line, iterate_over_symbols)
	(demangle_for_lookup): Declare.
	(expand_line_sal): Remove.
	* symtab.c (iterate_over_some_symtabs, iterate_over_symtabs)
	(lookup_symtab_callback): New functions.
	(lookup_symtab): Rewrite.
	(demangle_for_lookup): New function, extract from
	lookup_symbol_in_language.
	(lookup_symbol_in_language): Use it.
	(iterate_over_symbols): New function.
	(find_line_symtab): Update.
	(find_pcs_for_symtab_line): New functions.
	(find_line_common): Add 'start' argument.
	(decode_line_spec): Update.  Change argument to 'flags', change
	interpretation.
	(append_expanded_sal): Remove.
	(append_exact_match_to_sals): Remove.
	(expand_line_sal): Remove.
	* symfile.h (struct quick_symbol_functions) <lookup_symtab>:
	Remove.
	<map_symtabs_matching_filename>: New field.
	* stack.c (func_command): Only look in the current program space.
	Use DECODE_LINE_FUNFIRSTLINE.
	* source.c (line_info): Set pspace on sal.  Check program space in
	the loop.  Use DECODE_LINE_LIST_MODE.
	(select_source_symtab): Use DECODE_LINE_FUNFIRSTLINE.
	* solib-target.c: Remove DEF_VEC_I(CORE_ADDR).
	* python/python.c (gdbpy_decode_line): Update.
	* psymtab.c (partial_map_expand_apply): New function.
	(partial_map_symtabs_matching_filename): Rename from
	lookup_partial_symbol.  Update arguments.
	(lookup_symtab_via_partial_symtab): Remove.
	(psym_functions): Update.
	* objc-lang.h (parse_selector, parse_method): Don't declare.
	(find_imps): Update.
	* objc-lang.c (parse_selector, parse_method): Now static.
	(find_methods): Change arguments.  Fill in a vector of symbol
	names.
	(uniquify_strings): New function.
	(find_imps): Change arguments.
	* minsyms.c (iterate_over_minimal_symbols): New function.
	* linespec.h (enum decode_line_flags): New.
	(struct linespec_sals): New.
	(struct linespec_result) <canonical>: Remove.
	<pre_expanded, addr_string, sals>: New fields.
	(destroy_linespec_result, make_cleanup_destroy_linespec_result)
	(decode_line_full): Declare.
	(decode_line_1): Update.
	* linespec.c (struct address_entry, struct linespec_state, struct
	collect_info): New types.
	(add_sal_to_sals_basic, add_sal_to_sals, hash_address_entry)
	(eq_address_entry, maybe_add_address): New functions.
	(total_number_of_methods): Remove.
	(iterate_name_matcher, iterate_over_all_matching_symtabs): New
	functions.
	(find_methods): Change arguments.  Don't canonicalize input.
	Simplify logic.
	(add_matching_methods, add_constructors)
	(build_canonical_line_spec): Remove.
	(filter_results, convert_results_to_lsals): New functions.
	(decode_line_2): Change arguments.  Rewrite for new data
	structures.
	(decode_line_internal): Rename from decode_line_1.  Change
	arguments.  Add cleanups.  Update for new data structures.
	(linespec_state_constructor, linespec_state_destructor)
	(decode_line_full, decode_line_1): New functions.
	(decode_indirect): Change arguments.  Update.
	(locate_first_half): Use skip_spaces.
	(decode_objc): Change arguments.  Update for new data structures.
	Simplify logic.
	(decode_compound): Change arguments.  Add cleanups.  Remove
	fallback code, replace with error.
	(struct decode_compound_collector): New type.
	(collect_one_symbol): New function.
	(lookup_prefix_sym): Change arguments.  Update.
	(compare_symbol_name, add_all_symbol_names_from_pspace)
	(find_superclass_methods ): New functions.
	(find_method): Rewrite.
	(struct symtab_collector): New type.
	(add_symtabs_to_list, collect_symtabs_from_filename): New
	functions.
	(symtabs_from_filename): Change API.  Rename from
	symtab_from_filename.
	(collect_function_symbols): New function.
	(find_function_symbols): Change API.  Rename from
	find_function_symbol.  Rewrite.
	(decode_all_digits): Change arguments.  Rewrite.
	(decode_dollar): Change arguments.  Use decode_variable.
	(decode_label): Change arguments.  Rewrite.
	(collect_symbols): New function.
	(minsym_found): Change arguments.  Rewrite.
	(check_minsym, search_minsyms_for_name)
	(add_matching_symbols_to_info): New function.
	(decode_variable): Change arguments.  Iterate over all symbols.
	(symbol_found): Remove.
	(symbol_to_sal): New function.
	(init_linespec_result, destroy_linespec_result)
	(cleanup_linespec_result, make_cleanup_destroy_linespec_result):
	New functions.
	(decode_digits_list_mode, decode_digits_ordinary): New functions.
	* dwarf2read.c (dw2_map_expand_apply): New function.
	(dw2_map_symtabs_matching_filename): Rename from
	dw2_lookup_symtab.  Change arguments.
	(dwarf2_gdb_index_functions): Update.
	* dwarf2loc.c: Remove DEF_VEC_I(CORE_ADDR).
	* defs.h (compare_strings): Declare.
	* cli/cli-cmds.c (compare_strings): Move to utils.c.
	(edit_command, list_command): Use DECODE_LINE_LIST_MODE.  Call
	filter_sals.
	(compare_symtabs, filter_sals): New functions.
	* breakpoint.h (struct bp_location) <line_number, source_file>:
	New fields.
	(struct breakpoint) <line_number, source_file>: Remove.
	<filter>: New field.
	* breakpoint.c (print_breakpoint_location, init_raw_breakpoint)
	(momentary_breakpoint_from_master, add_location_to_breakpoint):
	Update for changes to locations.
	(init_breakpoint_sal): Add 'filter' argument.  Set 'filter' on
	breakpoint.
	(create_breakpoint_sal): Add 'filter' argument.
	(remove_sal, expand_line_sal_maybe): Remove.
	(create_breakpoints_sal): Remove 'sals' argument.  Handle
	pre-expanded sals and the filter.
	(parse_breakpoint_sals): Use decode_line_full.
	(check_fast_tracepoint_sals): Use get_sal_arch.
	(create_breakpoint): Create a linespec_sals.  Update.
	(break_range_command): Use decode_line_full.  Update.
	(until_break_command): Update.
	(clear_command): Update match conditions for linespec.c changes.
	Use DECODE_LINE_LIST_MODE.
	(say_where): Update for changes to locations.
	(bp_location_dtor): Free 'source_file'.
	(base_breakpoint_dtor): Free 'filter'.  Don't free 'source_file'.
	(update_static_tracepoint): Update for changes to locations.
	(update_breakpoint_locations): Disable ranged breakpoint if too
	many locations match.  Update.
	(addr_string_to_sals): Use decode_line_full.  Resolve all sal
	PCs.
	(breakpoint_re_set_default): Don't call expand_line_sal_maybe.
	(decode_line_spec_1): Update.  Change argument name to 'flags',
	change interpretation.
	* block.h (block_containing_function): Declare.
	* block.c (block_containing_function): New function.
	* skip.c (skip_function_command): Update.
	(skip_re_set): Update.
	* infcmd.c (jump_command): Use DECODE_LINE_FUNFIRSTLINE.
	* mi/mi-main.c (mi_cmd_trace_find): Use DECODE_LINE_FUNFIRSTLINE.
	* NEWS: Add entry.

2011-12-06  Tom Tromey  <tromey@redhat.com>

	* elfread.c (elf_gnu_ifunc_resolver_return_stop): Allow
	breakpoint's pspace to be NULL.
	* breakpoint.h (struct breakpoint) <pspace>: Update comment.
	* breakpoint.c (init_raw_breakpoint): Conditionally set
	breakpoint's pspace.
	(init_breakpoint_sal): Don't set breakpoint's pspace.
	(prepare_re_set_context): Conditionally switch program space.
	(addr_string_to_sals): Check executing_startup on location's
	program space.

2011-12-06  Tom Tromey  <tromey@redhat.com>

	* breakpoint.h (enum enable_state) <bp_startup_disabled>: Remove.
	* breakpoint.c (should_be_inserted): Explicitly check if program
	space is executing startup.
	(describe_other_breakpoints): Update.
	(disable_breakpoints_before_startup): Change executing_startup
	earlier.  Remove loop.
	(enable_breakpoints_after_startup): Likewise.
	(init_breakpoint_sal): Don't use bp_startup_disabled.
	(create_breakpoint): Don't use bp_startup_disabled.
	(update_global_location_list): Use should_be_inserted.
	(bkpt_re_set): Update.
gdb/testsuite
2011-12-06  Joel Brobecker  <brobecker@acacore.com>

        * gdb.ada/fullname_bp.exp: Add tests for other valid linespecs
        involving a fully qualified function name.

2011-12-06  Tom Tromey  <tromey@redhat.com>

	* gdb.ada/homonym.exp: Add three breakpoint tests.

2011-12-06  Tom Tromey  <tromey@redhat.com>

	* gdb.base/solib-weak.exp (do_test): Remove kfail.
	* gdb.trace/tracecmd.exp: Disable pending breakpoints earlier.
	* gdb.objc/objcdecode.exp: Update for output changes.
	* gdb.linespec/linespec.exp: New file.
	* gdb.linespec/lspec.cc: New file.
	* gdb.linespec/lspec.h: New file.
	* gdb.linespec/body.h: New file.
	* gdb.linespec/base/two/thefile.cc: New file.
	* gdb.linespec/base/one/thefile.cc: New file.
	* gdb.linespec/Makefile.in: New file.
	* gdb.cp/templates.exp (test_template_breakpoints): Update for
	output changes.
	* gdb.cp/re-set-overloaded.exp: Remove kfail.
	* gdb.cp/ovldbreak.exp: Update for output changes.  "all" test now
	makes one breakpoint.
	* gdb.cp/method2.exp (test_break): Update for output changes.
	* gdb.cp/mb-templates.exp: Update for output changes.
	* gdb.cp/mb-inline.exp: Update for output changes.
	* gdb.cp/mb-ctor.exp: Update for output changes.
	* gdb.cp/ovsrch.exp: Use fully-qualified names.
	* gdb.base/solib-symbol.exp: Run to main later.  Breakpoint now
	has multiple matches.
	* gdb.base/sepdebug.exp: Disable pending breakpoints.  Update for
	error message change.
	* gdb.base/list.exp (test_list_filename_and_number): Update for
	error message change.
	* gdb.base/break.exp: Disable pending breakpoints.  Update for
	output changes.
	* configure.ac: Add gdb.linespec.
	* configure: Rebuild.
	* Makefile.in (ALL_SUBDIRS): Add gdb.linespec.
gdb/doc
2011-12-06  Tom Tromey  <tromey@redhat.com>

	* gdb.texinfo (Set Breaks): Update for new behavior.
This commit is contained in:
Tom Tromey 2011-12-06 18:54:43 +00:00
parent 75c8c9d72c
commit f8eba3c616
76 changed files with 3544 additions and 2145 deletions

View file

@ -541,6 +541,8 @@ const struct language_defn objc_language_defn = {
default_print_array_index,
default_pass_by_reference,
default_get_string,
strcmp_iw_ordered,
iterate_over_symbols,
LANG_MAGIC
};
@ -952,49 +954,7 @@ classes_info (char *regexp, int from_tty)
printf_filtered (_("No classes matching \"%s\"\n"), regexp ? regexp : "*");
}
/*
* Function: find_imps (char *selector, struct symbol **sym_arr)
*
* Input: a string representing a selector
* a pointer to an array of symbol pointers
* possibly a pointer to a symbol found by the caller.
*
* Output: number of methods that implement that selector. Side
* effects: The array of symbol pointers is filled with matching syms.
*
* By analogy with function "find_methods" (symtab.c), builds a list
* of symbols matching the ambiguous input, so that "decode_line_2"
* (symtab.c) can list them and ask the user to choose one or more.
* In this case the matches are objective c methods
* ("implementations") matching an objective c selector.
*
* Note that it is possible for a normal (c-style) function to have
* the same name as an objective c selector. To prevent the selector
* from eclipsing the function, we allow the caller (decode_line_1) to
* search for such a function first, and if it finds one, pass it in
* to us. We will then integrate it into the list. We also search
* for one here, among the minsyms.
*
* NOTE: if NUM_DEBUGGABLE is non-zero, the sym_arr will be divided
* into two parts: debuggable (struct symbol) syms, and
* non_debuggable (struct minimal_symbol) syms. The debuggable
* ones will come first, before NUM_DEBUGGABLE (which will thus
* be the index of the first non-debuggable one).
*/
/*
* Function: total_number_of_imps (char *selector);
*
* Input: a string representing a selector
* Output: number of methods that implement that selector.
*
* By analogy with function "total_number_of_methods", this allows
* decode_line_1 (symtab.c) to detect if there are objective c methods
* matching the input, and to allocate an array of pointers to them
* which can be manipulated by "decode_line_2" (also in symtab.c).
*/
char *
static char *
parse_selector (char *method, char **selector)
{
char *s1 = NULL;
@ -1050,7 +1010,7 @@ parse_selector (char *method, char **selector)
return s2;
}
char *
static char *
parse_method (char *method, char *type, char **class,
char **category, char **selector)
{
@ -1154,15 +1114,11 @@ parse_method (char *method, char *type, char **class,
}
static void
find_methods (struct symtab *symtab, char type,
const char *class, const char *category,
const char *selector, struct symbol **syms,
unsigned int *nsym, unsigned int *ndebug)
find_methods (char type, const char *class, const char *category,
const char *selector,
VEC (const_char_ptr) **symbol_names)
{
struct objfile *objfile = NULL;
struct minimal_symbol *msymbol = NULL;
struct block *block = NULL;
struct symbol *sym = NULL;
char *symname = NULL;
@ -1171,21 +1127,15 @@ find_methods (struct symtab *symtab, char type,
char *ncategory = NULL;
char *nselector = NULL;
unsigned int csym = 0;
unsigned int cdebug = 0;
static char *tmp = NULL;
static unsigned int tmplen = 0;
gdb_assert (nsym != NULL);
gdb_assert (ndebug != NULL);
if (symtab)
block = BLOCKVECTOR_BLOCK (BLOCKVECTOR (symtab), STATIC_BLOCK);
gdb_assert (symbol_names != NULL);
ALL_OBJFILES (objfile)
{
unsigned int *objc_csym;
struct minimal_symbol *msymbol = NULL;
/* The objfile_csym variable counts the number of ObjC methods
that this objfile defines. We save that count as a private
@ -1202,7 +1152,6 @@ find_methods (struct symtab *symtab, char type,
ALL_OBJFILE_MSYMBOLS (objfile, msymbol)
{
struct gdbarch *gdbarch = get_objfile_arch (objfile);
CORE_ADDR pc = SYMBOL_VALUE_ADDRESS (msymbol);
QUIT;
@ -1216,18 +1165,8 @@ find_methods (struct symtab *symtab, char type,
/* Not a method name. */
continue;
/* The minimal symbol might point to a function descriptor;
resolve it to the actual code address instead. */
pc = gdbarch_convert_from_func_ptr_addr (gdbarch, pc,
&current_target);
objfile_csym++;
if (symtab)
if (pc < BLOCK_START (block) || pc >= BLOCK_END (block))
/* Not in the specified symtab. */
continue;
/* Now that thinks are a bit sane, clean up the symname. */
while ((strlen (symname) + 1) >= tmplen)
{
@ -1255,41 +1194,9 @@ find_methods (struct symtab *symtab, char type,
((nselector == NULL) || (strcmp (selector, nselector) != 0)))
continue;
sym = find_pc_function (pc);
if (sym != NULL)
{
const char *newsymname = SYMBOL_NATURAL_NAME (sym);
if (strcmp (symname, newsymname) == 0)
{
/* Found a high-level method sym: swap it into the
lower part of sym_arr (below num_debuggable). */
if (syms != NULL)
{
syms[csym] = syms[cdebug];
syms[cdebug] = sym;
}
csym++;
cdebug++;
}
else
{
warning (
"debugging symbol \"%s\" does not match minimal symbol (\"%s\"); ignoring",
newsymname, symname);
if (syms != NULL)
syms[csym] = (struct symbol *) msymbol;
csym++;
}
}
else
{
/* Found a non-debuggable method symbol. */
if (syms != NULL)
syms[csym] = (struct symbol *) msymbol;
csym++;
}
VEC_safe_push (const_char_ptr, *symbol_names, symname);
}
if (objc_csym == NULL)
{
objc_csym = obstack_alloc (&objfile->objfile_obstack,
@ -1301,38 +1208,79 @@ find_methods (struct symtab *symtab, char type,
/* Count of ObjC methods in this objfile should be constant. */
gdb_assert (*objc_csym == objfile_csym);
}
if (nsym != NULL)
*nsym = csym;
if (ndebug != NULL)
*ndebug = cdebug;
}
char *find_imps (struct symtab *symtab, struct block *block,
char *method, struct symbol **syms,
unsigned int *nsym, unsigned int *ndebug)
/* Uniquify a VEC of strings. */
static void
uniquify_strings (VEC (const_char_ptr) **strings)
{
int ix;
const char *elem, *last = NULL;
int out;
qsort (VEC_address (const_char_ptr, *strings),
VEC_length (const_char_ptr, *strings),
sizeof (const_char_ptr),
compare_strings);
out = 0;
for (ix = 0; VEC_iterate (const_char_ptr, *strings, ix, elem); ++ix)
{
if (last == NULL || strcmp (last, elem) != 0)
{
/* Keep ELEM. */
VEC_replace (const_char_ptr, *strings, out, elem);
++out;
}
last = elem;
}
VEC_truncate (const_char_ptr, *strings, out);
}
/*
* Function: find_imps (char *selector, struct symbol **sym_arr)
*
* Input: a string representing a selector
* a pointer to an array of symbol pointers
* possibly a pointer to a symbol found by the caller.
*
* Output: number of methods that implement that selector. Side
* effects: The array of symbol pointers is filled with matching syms.
*
* By analogy with function "find_methods" (symtab.c), builds a list
* of symbols matching the ambiguous input, so that "decode_line_2"
* (symtab.c) can list them and ask the user to choose one or more.
* In this case the matches are objective c methods
* ("implementations") matching an objective c selector.
*
* Note that it is possible for a normal (c-style) function to have
* the same name as an objective c selector. To prevent the selector
* from eclipsing the function, we allow the caller (decode_line_1) to
* search for such a function first, and if it finds one, pass it in
* to us. We will then integrate it into the list. We also search
* for one here, among the minsyms.
*
* NOTE: if NUM_DEBUGGABLE is non-zero, the sym_arr will be divided
* into two parts: debuggable (struct symbol) syms, and
* non_debuggable (struct minimal_symbol) syms. The debuggable
* ones will come first, before NUM_DEBUGGABLE (which will thus
* be the index of the first non-debuggable one).
*/
char *
find_imps (char *method, VEC (const_char_ptr) **symbol_names)
{
char type = '\0';
char *class = NULL;
char *category = NULL;
char *selector = NULL;
unsigned int csym = 0;
unsigned int cdebug = 0;
unsigned int ncsym = 0;
unsigned int ncdebug = 0;
char *buf = NULL;
char *tmp = NULL;
gdb_assert (nsym != NULL);
gdb_assert (ndebug != NULL);
int selector_case = 0;
if (nsym != NULL)
*nsym = 0;
if (ndebug != NULL)
*ndebug = 0;
gdb_assert (symbol_names != NULL);
buf = (char *) alloca (strlen (method) + 1);
strcpy (buf, method);
@ -1340,99 +1288,37 @@ char *find_imps (struct symtab *symtab, struct block *block,
if (tmp == NULL)
{
struct symbol *sym = NULL;
struct minimal_symbol *msym = NULL;
strcpy (buf, method);
tmp = parse_selector (buf, &selector);
if (tmp == NULL)
return NULL;
sym = lookup_symbol (selector, block, VAR_DOMAIN, 0);
selector_case = 1;
}
find_methods (type, class, category, selector, symbol_names);
/* If we hit the "selector" case, and we found some methods, then
add the selector itself as a symbol, if it exists. */
if (selector_case && !VEC_empty (const_char_ptr, *symbol_names))
{
struct symbol *sym = lookup_symbol (selector, NULL, VAR_DOMAIN, 0);
if (sym != NULL)
VEC_safe_push (const_char_ptr, *symbol_names,
SYMBOL_NATURAL_NAME (sym));
else
{
if (syms)
syms[csym] = sym;
csym++;
cdebug++;
}
struct minimal_symbol *msym = lookup_minimal_symbol (selector, 0, 0);
if (sym == NULL)
msym = lookup_minimal_symbol (selector, 0, 0);
if (msym != NULL)
{
if (syms)
syms[csym] = (struct symbol *)msym;
csym++;
if (msym != NULL)
VEC_safe_push (const_char_ptr, *symbol_names,
SYMBOL_NATURAL_NAME (msym));
}
}
if (syms != NULL)
find_methods (symtab, type, class, category, selector,
syms + csym, &ncsym, &ncdebug);
else
find_methods (symtab, type, class, category, selector,
NULL, &ncsym, &ncdebug);
/* If we didn't find any methods, just return. */
if (ncsym == 0 && ncdebug == 0)
return method;
/* Take debug symbols from the second batch of symbols and swap them
* with debug symbols from the first batch. Repeat until either the
* second section is out of debug symbols or the first section is
* full of debug symbols. Either way we have all debug symbols
* packed to the beginning of the buffer.
*/
if (syms != NULL)
{
while ((cdebug < csym) && (ncdebug > 0))
{
struct symbol *s = NULL;
/* First non-debugging symbol. */
unsigned int i = cdebug;
/* Last of second batch of debug symbols. */
unsigned int j = csym + ncdebug - 1;
s = syms[j];
syms[j] = syms[i];
syms[i] = s;
/* We've moved a symbol from the second debug section to the
first one. */
cdebug++;
ncdebug--;
}
}
csym += ncsym;
cdebug += ncdebug;
if (nsym != NULL)
*nsym = csym;
if (ndebug != NULL)
*ndebug = cdebug;
if (syms == NULL)
return method + (tmp - buf);
if (csym > 1)
{
/* Sort debuggable symbols. */
if (cdebug > 1)
qsort (syms, cdebug, sizeof (struct minimal_symbol *),
compare_classes);
/* Sort minimal_symbols. */
if ((csym - cdebug) > 1)
qsort (&syms[cdebug], csym - cdebug,
sizeof (struct minimal_symbol *), compare_classes);
}
/* Terminate the sym_arr list. */
syms[csym] = 0;
uniquify_strings (symbol_names);
return method + (tmp - buf);
}