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/* system/debuggerd/utility.h
**
** Copyright 2008, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#ifndef __utility_h
#define __utility_h
#include <stddef.h>
#include <stdbool.h>
#include "symbol_table.h"
#ifndef PT_ARM_EXIDX
#define PT_ARM_EXIDX 0x70000001 /* .ARM.exidx segment */
#endif
#define STACK_CONTENT_DEPTH 32
typedef struct mapinfo {
struct mapinfo *next;
unsigned start;
unsigned end;
unsigned exidx_start;
unsigned exidx_end;
struct symbol_table *symbols;
bool isExecutable;
char name[];
} mapinfo;
/* Get a word from pid using ptrace. The result is the return value. */
extern int get_remote_word(int pid, void *src);
/* Handy routine to read aggregated data from pid using ptrace. The read
* values are written to the dest locations directly.
*/
extern void get_remote_struct(int pid, void *src, void *dst, size_t size);
/* Find the containing map for the pc */
const mapinfo *pc_to_mapinfo (mapinfo *mi, unsigned pc, unsigned *rel_pc);
/* Map a pc address to the name of the containing ELF file */
const char *map_to_name(mapinfo *mi, unsigned pc, const char* def);
/* Log information onto the tombstone */
extern void _LOG(int tfd, bool in_tombstone_only, const char *fmt, ...);
/* Determine whether si_addr is valid for this signal */
bool signal_has_address(int sig);
#define LOG(fmt...) _LOG(-1, 0, fmt)
/* Set to 1 for normal debug traces */
#if 0
#define XLOG(fmt...) _LOG(-1, 0, fmt)
#else
#define XLOG(fmt...) do {} while(0)
#endif
/* Set to 1 for chatty debug traces. Includes all resolved dynamic symbols */
#if 0
#define XLOG2(fmt...) _LOG(-1, 0, fmt)
#else
#define XLOG2(fmt...) do {} while(0)
#endif
#endif
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