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/*
SPDX-License-Identifier: GPL-2.0-only
Copyright (C) 2007-2016 Arnaldo Carvalho de Melo <acme@kernel.org>
*/
#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 *tag, uint32_t tag_id, struct cu *cu)
{
printf("/* %d */\n", tag_id);
if (tag__is_struct(tag))
class__find_holes(tag__class(tag));
if (tag->tag == DW_TAG_base_type) {
char bf[64];
const char *name = base_type__name(tag__base_type(tag), bf, sizeof(bf));
if (name == NULL)
printf("anonymous base_type\n");
else
puts(name);
} else if (tag__is_pointer(tag))
printf(" /* pointer to %lld */\n", (unsigned long long)tag->type);
else
tag__fprintf(tag, cu, &conf, stdout);
printf(" /* size: %zd */\n\n", tag__size(tag, cu));
}
static int cu__emit_tags(struct cu *cu)
{
uint32_t i;
struct tag *tag;
puts("/* Types: */\n");
cu__for_each_type(cu, i, tag)
emit_tag(tag, i, cu);
puts("/* Functions: */\n");
conf.no_semicolon = true;
struct function *function;
cu__for_each_function(cu, i, function) {
tag__fprintf(function__tag(function), cu, &conf, stdout);
putchar('\n');
lexblock__fprintf(&function->lexblock, cu, function, 0,
&conf, stdout);
printf(" /* size: %zd */\n\n",
tag__size(function__tag(function), cu));
}
conf.no_semicolon = false;
puts("\n\n/* Variables: */\n");
cu__for_each_variable(cu, i, tag) {
tag__fprintf(tag, cu, NULL, stdout);
printf(" /* size: %zd */\n\n", tag__size(tag, cu));
}
puts("\n\n/* Constants: */\n");
cu__for_each_constant(cu, i, tag) {
tag__fprintf(tag, cu, NULL, stdout);
printf(" /* size: %zd */\n\n", tag__size(tag, cu));
}
return 0;
}
static enum load_steal_kind pdwtags_stealer(struct cu *cu,
struct conf_load *conf_load __maybe_unused,
void *thr_data __maybe_unused)
{
cu__emit_tags(cu);
return LSK__DELETE;
}
static struct conf_load pdwtags_conf_load = {
.steal = pdwtags_stealer,
.conf_fprintf = &conf,
};
/* Name and version of program. */
ARGP_PROGRAM_VERSION_HOOK_DEF = dwarves_print_version;
static const struct argp_option pdwtags__options[] = {
{
.name = "format_path",
.key = 'F',
.arg = "FORMAT_LIST",
.doc = "List of debugging formats to try"
},
{
.key = 'V',
.name = "verbose",
.doc = "show details",
},
{
.name = NULL,
}
};
static error_t pdwtags__options_parser(int key, char *arg __maybe_unused,
struct argp_state *state)
{
switch (key) {
case ARGP_KEY_INIT:
if (state->child_inputs != NULL)
state->child_inputs[0] = state->input;
break;
case 'F': pdwtags_conf_load.format_path = arg; 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 remaining, rc = EXIT_FAILURE, err;
struct cus *cus = cus__new();
if (dwarves__init() || cus == NULL) {
fputs("pwdtags: insufficient memory\n", stderr);
goto out;
}
dwarves__resolve_cacheline_size(&pdwtags_conf_load, 0);
if (argp_parse(&pdwtags__argp, argc, argv, 0, &remaining, NULL) ||
remaining == argc) {
argp_help(&pdwtags__argp, stderr, ARGP_HELP_SEE, argv[0]);
goto out;
}
err = cus__load_files(cus, &pdwtags_conf_load, argv + remaining);
if (err == 0) {
rc = EXIT_SUCCESS;
goto out;
}
cus__fprintf_load_files_err(cus, "pdwtags", argv + remaining, err, stderr);
out:
cus__delete(cus);
dwarves__exit();
return rc;
}
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