path: root/tools/perf/util/annotate.c

/*
 * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
 *
 * Parts came from builtin-annotate.c, see those files for further
 * copyright notes.
 *
 * Released under the GPL v2. (and only v2, not any later version)
 */

#include "util.h"
#include "build-id.h"
#include "color.h"
#include "cache.h"
#include "symbol.h"
#include "debug.h"
#include "annotate.h"
#include <pthread.h>

const char 	*disassembler_style;

static int call__parse(struct ins_operands *ops)
{
	char *endptr, *tok, *name;

	ops->target.addr = strtoull(ops->raw, &endptr, 16);

	name = strchr(endptr, '<');
	if (name == NULL)
		goto indirect_call;

	name++;

	tok = strchr(name, '>');
	if (tok == NULL)
		return -1;

	*tok = '\0';
	ops->target.name = strdup(name);
	*tok = '>';

	return ops->target.name == NULL ? -1 : 0;

indirect_call:
	tok = strchr(endptr, '*');
	if (tok == NULL)
		return -1;

	ops->target.addr = strtoull(tok + 1, NULL, 16);
	return 0;
}

static int call__scnprintf(struct ins *ins, char *bf, size_t size,
			   struct ins_operands *ops, bool addrs)
{
	if (addrs)
		return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw);

	if (ops->target.name)
		return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target.name);

	return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target.addr);
}

static struct ins_ops call_ops = {
	.parse	   = call__parse,
	.scnprintf = call__scnprintf,
};

bool ins__is_call(const struct ins *ins)
{
	return ins->ops == &call_ops;
}

static int jump__parse(struct ins_operands *ops)
{
	const char *s = strchr(ops->raw, '+');

	if (s++ == NULL)
		return -1;

	ops->target.offset = strtoll(s, NULL, 16);
	return 0;
}

static int jump__scnprintf(struct ins *ins, char *bf, size_t size,
			   struct ins_operands *ops, bool addrs)
{
	if (addrs)
		return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw);

	return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target.offset);
}

static struct ins_ops jump_ops = {
	.parse	   = jump__parse,
	.scnprintf = jump__scnprintf,
};

bool ins__is_jump(const struct ins *ins)
{
	return ins->ops == &jump_ops;
}

/*
 * Must be sorted by name!
 */
static struct ins instructions[] = {
	{ .name = "call",  .ops  = &call_ops, },
	{ .name = "callq", .ops  = &call_ops, },
	{ .name = "ja",	   .ops  = &jump_ops, },
	{ .name = "jae",   .ops  = &jump_ops, },
	{ .name = "jb",	   .ops  = &jump_ops, },
	{ .name = "jbe",   .ops  = &jump_ops, },
	{ .name = "jc",	   .ops  = &jump_ops, },
	{ .name = "jcxz",  .ops  = &jump_ops, },
	{ .name = "je",	   .ops  = &jump_ops, },
	{ .name = "jecxz", .ops  = &jump_ops, },
	{ .name = "jg",	   .ops  = &jump_ops, },
	{ .name = "jge",   .ops  = &jump_ops, },
	{ .name = "jl",    .ops  = &jump_ops, },
	{ .name = "jle",   .ops  = &jump_ops, },
	{ .name = "jmp",   .ops  = &jump_ops, },
	{ .name = "jmpq",  .ops  = &jump_ops, },
	{ .name = "jna",   .ops  = &jump_ops, },
	{ .name = "jnae",  .ops  = &jump_ops, },
	{ .name = "jnb",   .ops  = &jump_ops, },
	{ .name = "jnbe",