linker_debug.h revision 650be4e584eeab3591b9e273bfd6d169eea60853
1/* 2 * Copyright (C) 2008-2010 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#ifndef _LINKER_DEBUG_H_ 30#define _LINKER_DEBUG_H_ 31 32#include <stdio.h> 33 34/* set LINKER_DEBUG_TO_LOG to 1 to send the logs to logcat, 35 * or 0 to use stdout instead. 36 */ 37#define LINKER_DEBUG_TO_LOG 1 38#define TRACE_DEBUG 1 39#define DO_TRACE_LOOKUP 1 40#define DO_TRACE_RELO 1 41#define TIMING 0 42#define STATS 0 43#define COUNT_PAGES 0 44 45/********************************************************************* 46 * You shouldn't need to modify anything below unless you are adding 47 * more debugging information. 48 * 49 * To enable/disable specific debug options, change the defines above 50 *********************************************************************/ 51 52 53/*********************************************************************/ 54 55#include <private/debug_format.h> 56 57__LIBC_HIDDEN__ extern int gLdDebugVerbosity; 58 59#if LINKER_DEBUG_TO_LOG 60#define _PRINTVF(v,x...) \ 61 do { \ 62 if (gLdDebugVerbosity > (v)) __libc_format_log(5-(v),"linker",x); \ 63 } while (0) 64#else /* !LINKER_DEBUG_TO_LOG */ 65#define _PRINTVF(v,x...) \ 66 do { \ 67 if (gLdDebugVerbosity > (v)) __libc_format_fd(1, x); \ 68 } while (0) 69#endif /* !LINKER_DEBUG_TO_LOG */ 70 71#define PRINT(x...) _PRINTVF(-1, x) 72#define INFO(x...) _PRINTVF(0, x) 73#define TRACE(x...) _PRINTVF(1, x) 74 75#if TRACE_DEBUG 76#define DEBUG(x...) _PRINTVF(2, "DEBUG: " x) 77#else /* !TRACE_DEBUG */ 78#define DEBUG(x...) do {} while (0) 79#endif /* TRACE_DEBUG */ 80 81#define TRACE_TYPE(t,x...) do { if (DO_TRACE_##t) { TRACE(x); } } while (0) 82 83#endif /* _LINKER_DEBUG_H_ */ 84