18a206c81d
I still want to break linker_format out into its own library so we can reuse it for malloc debugging and so forth. (There are many similar pieces of code in bionic, but the linker's one seems to be the most complete/functional.) Change-Id: If3721853d28937c8e821ca1d23cf200e228a409a
122 lines
4.6 KiB
C
122 lines
4.6 KiB
C
/*
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* Copyright (C) 2008-2010 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _LINKER_DEBUG_H_
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#define _LINKER_DEBUG_H_
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#include <stdio.h>
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#ifndef LINKER_DEBUG
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#error LINKER_DEBUG should be defined to either 1 or 0 in Android.mk
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#endif
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/* set LINKER_DEBUG_TO_LOG to 1 to send the logs to logcat,
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* or 0 to use stdout instead.
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*/
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#define LINKER_DEBUG_TO_LOG 1
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#define TRACE_DEBUG 1
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#define DO_TRACE_LOOKUP 1
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#define DO_TRACE_RELO 1
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#define TIMING 0
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#define STATS 0
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#define COUNT_PAGES 0
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/*********************************************************************
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* You shouldn't need to modify anything below unless you are adding
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* more debugging information.
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*
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* To enable/disable specific debug options, change the defines above
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*********************************************************************/
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/*********************************************************************/
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/* Only use printf() during debugging. We have seen occasional memory
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* corruption when the linker uses printf().
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*/
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#if LINKER_DEBUG
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#include "linker_format.h"
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extern int debug_verbosity;
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#if LINKER_DEBUG_TO_LOG
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extern int format_log(int, const char *, const char *, ...);
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#define _PRINTVF(v,x...) \
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do { \
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if (debug_verbosity > (v)) format_log(5-(v),"linker",x); \
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} while (0)
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#else /* !LINKER_DEBUG_TO_LOG */
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extern int format_fd(int, const char *, ...);
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#define _PRINTVF(v,x...) \
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do { \
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if (debug_verbosity > (v)) format_fd(1, x); \
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} while (0)
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#endif /* !LINKER_DEBUG_TO_LOG */
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#else /* !LINKER_DEBUG */
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#define _PRINTVF(v,f,x...) do {} while(0)
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#endif /* LINKER_DEBUG */
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#define PRINT(x...) _PRINTVF(-1, x)
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#define INFO(x...) _PRINTVF(0, x)
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#define TRACE(x...) _PRINTVF(1, x)
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#define WARN(fmt,args...) \
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_PRINTVF(-1, "%s:%d| WARNING: " fmt, __FILE__, __LINE__, ## args)
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#define ERROR(fmt,args...) \
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_PRINTVF(-1, "%s:%d| ERROR: " fmt, __FILE__, __LINE__, ## args)
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#if TRACE_DEBUG
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#define DEBUG(x...) _PRINTVF(2, "DEBUG: " x)
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#else /* !TRACE_DEBUG */
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#define DEBUG(x...) do {} while (0)
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#endif /* TRACE_DEBUG */
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#if LINKER_DEBUG
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#define TRACE_TYPE(t,x...) do { if (DO_TRACE_##t) { TRACE(x); } } while (0)
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#else /* !LINKER_DEBUG */
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#define TRACE_TYPE(t,x...) do {} while (0)
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#endif /* LINKER_DEBUG */
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#if TIMING
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#undef WARN
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#define WARN(x...) do {} while (0)
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#endif /* TIMING */
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#define DEBUG_DUMP_PHDR(phdr, name, pid) do { \
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DEBUG("%5d %s (phdr = 0x%08x)\n", (pid), (name), (unsigned)(phdr)); \
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DEBUG("\t\tphdr->offset = 0x%08x\n", (unsigned)((phdr)->p_offset)); \
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DEBUG("\t\tphdr->p_vaddr = 0x%08x\n", (unsigned)((phdr)->p_vaddr)); \
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DEBUG("\t\tphdr->p_paddr = 0x%08x\n", (unsigned)((phdr)->p_paddr)); \
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DEBUG("\t\tphdr->p_filesz = 0x%08x\n", (unsigned)((phdr)->p_filesz)); \
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DEBUG("\t\tphdr->p_memsz = 0x%08x\n", (unsigned)((phdr)->p_memsz)); \
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DEBUG("\t\tphdr->p_flags = 0x%08x\n", (unsigned)((phdr)->p_flags)); \
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DEBUG("\t\tphdr->p_align = 0x%08x\n", (unsigned)((phdr)->p_align)); \
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} while (0)
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#endif /* _LINKER_DEBUG_H_ */
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