dwarves/pdwtags.c
Arnaldo Carvalho de Melo b902f563b3 dwarves: find holes when adding a fresh compile unit
To take advantage of cache effects and to avoid calling cu__find_holes
more than once on the same struct.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2009-03-06 11:48:33 -03:00

122 lines
2.7 KiB
C

/*
Copyright (C) 2007 Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
This program is free software; you can redistribute it and/or modify it
under the terms of version 2 of the GNU General Public License as
published by the Free Software Foundation.
*/
#include <argp.h>
#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include "dwarves.h"
#include "dutil.h"
static struct conf_fprintf conf = {
.emit_stats = 1,
};
static void emit_tag(struct tag *self, uint32_t tag_id, struct cu *cu)
{
conf.no_semicolon = tag__is_function(self);
printf("%d ", tag_id);
if (self->tag == DW_TAG_base_type) {
const char *name = base_type__name(tag__base_type(self));
if (name == NULL)
printf("anonymous base_type\n");
else
puts(name);
} else if (self->tag == DW_TAG_pointer_type)
printf("pointer to %lld\n", (unsigned long long)self->type);
else
tag__fprintf(self, cu, &conf, stdout);
if (tag__is_function(self)) {
struct function *fn = tag__function(self);
putchar('\n');
lexblock__fprintf(&fn->lexblock, cu, fn, 0, stdout);
}
puts("\n");
}
static int cu__emit_tags(struct cu *self, void *cookie __unused)
{
uint16_t i;
for (i = 1; i < self->types_table.nr_entries; ++i) {
struct tag *tag = self->types_table.entries[i];
emit_tag(tag, i, self);
}
return 0;
}
static void cus__emit_tags(struct cus *self)
{
cus__for_each_cu(self, cu__emit_tags, NULL, NULL);
}
/* Name and version of program. */
ARGP_PROGRAM_VERSION_HOOK_DEF = dwarves_print_version;
static const struct argp_option pdwtags__options[] = {
{
.key = 'V',
.name = "verbose",
.doc = "show details",
},
{
.name = NULL,
}
};
static error_t pdwtags__options_parser(int key, char *arg __unused,
struct argp_state *state)
{
switch (key) {
case ARGP_KEY_INIT:
if (state->child_inputs != NULL)
state->child_inputs[0] = state->input;
break;
case 'V': conf.show_decl_info = 1; break;
default: return ARGP_ERR_UNKNOWN;
}
return 0;
}
static const char pdwtags__args_doc[] = "FILE";
static struct argp pdwtags__argp = {
.options = pdwtags__options,
.parser = pdwtags__options_parser,
.args_doc = pdwtags__args_doc,
};
int main(int argc, char *argv[])
{
int err, remaining;
struct cus *cus = cus__new();
if (dwarves__init(0) || cus == NULL) {
fputs("pwdtags: insufficient memory\n", stderr);
return EXIT_FAILURE;
}
if (argp_parse(&pdwtags__argp, argc, argv, 0, &remaining, NULL) ||
remaining == argc) {
argp_help(&pdwtags__argp, stderr, ARGP_HELP_SEE, argv[0]);
return EXIT_FAILURE;
}
err = cus__loadfl(cus, argv + remaining);
if (err != 0)
return EXIT_FAILURE;
cus__emit_tags(cus);
return EXIT_SUCCESS;
}