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Diffstat (limited to 'src/linker/linker_debug.h')
| -rw-r--r-- | src/linker/linker_debug.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/src/linker/linker_debug.h b/src/linker/linker_debug.h new file mode 100644 index 0000000..2ab7a40 --- /dev/null +++ b/src/linker/linker_debug.h @@ -0,0 +1,154 @@ +/* + * Copyright (C) 2008-2010 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _LINKER_DEBUG_H_ +#define _LINKER_DEBUG_H_ + +#include <stdio.h> + +#ifndef LINKER_DEBUG +#error LINKER_DEBUG should be defined to either 1 or 0 in Android.mk +#endif + +/* set LINKER_DEBUG_TO_LOG to 1 to send the logs to logcat, + * or 0 to use stdout instead. + */ +#define LINKER_DEBUG_TO_LOG 0 +#define TRACE_DEBUG 1 +#define DO_TRACE_LOOKUP 1 +#define DO_TRACE_RELO 1 +#define TIMING 0 +#define STATS 0 +#define COUNT_PAGES 0 + +/********************************************************************* + * You shouldn't need to modify anything below unless you are adding + * more debugging information. + * + * To enable/disable specific debug options, change the defines above + *********************************************************************/ + + +/*********************************************************************/ +#undef TRUE +#undef FALSE +#define TRUE 1 +#define FALSE 0 + +/* Only use printf() during debugging. We have seen occasional memory + * corruption when the linker uses printf(). + */ +#if LINKER_DEBUG +#include "linker_format.h" +extern int apkenv_debug_verbosity; +#if LINKER_DEBUG_TO_LOG +extern int apkenv_format_log(int, const char *, const char *, ...); +#define _PRINTVF(v,f,x...) \ + do { \ + if (apkenv_debug_verbosity > (v)) apkenv_format_log(5-(v),"linker",x); \ + } while (0) +#else /* !LINKER_DEBUG_TO_LOG */ +#define _PRINTVF(v,f,x...) \ + do { \ + if (apkenv_debug_verbosity > (v)) printf(x); \ + } while (0) +#endif /* !LINKER_DEBUG_TO_LOG */ +#else /* !LINKER_DEBUG */ +#define _PRINTVF(v,f,x...) do {} while(0) +#endif /* LINKER_DEBUG */ + +#define PRINT(x...) _PRINTVF(-1, FALSE, x) +#define INFO(x...) _PRINTVF(1, TRUE, x) +#define TRACE(x...) _PRINTVF(1, TRUE, x) +#define WARN(fmt,args...) \ + _PRINTVF(-1, TRUE, "%s:%d| WARNING: " fmt, __FILE__, __LINE__, ## args) +#define ERROR(fmt,args...) \ + printf("%s:%d| ERROR: " fmt, __FILE__, __LINE__, ## args) + + +#if TRACE_DEBUG +#define DEBUG(x...) _PRINTVF(2, TRUE, "DEBUG: " x) +#else /* !TRACE_DEBUG */ +#define DEBUG(x...) do {} while (0) +#endif /* TRACE_DEBUG */ + +#if LINKER_DEBUG +#define TRACE_TYPE(t,x...) do { if (DO_TRACE_##t) { TRACE(x); } } while (0) +#else /* !LINKER_DEBUG */ +#define TRACE_TYPE(t,x...) do {} while (0) +#endif /* LINKER_DEBUG */ + +#if STATS +#define RELOC_ABSOLUTE 0 +#define RELOC_RELATIVE 1 +#define RELOC_COPY 2 +#define RELOC_SYMBOL 3 +#define NUM_RELOC_STATS 4 + +struct _link_stats { + int reloc[NUM_RELOC_STATS]; +}; +extern struct _link_stats apkenv_linker_stats; + +#define COUNT_RELOC(type) \ + do { if (type >= 0 && type < NUM_RELOC_STATS) { \ + apkenv_linker_stats.reloc[type] += 1; \ + } else { \ + PRINT("Unknown reloc stat requested\n"); \ + } \ + } while(0) +#else /* !STATS */ +#define COUNT_RELOC(type) do {} while(0) +#endif /* STATS */ + +#if TIMING +#undef WARN +#define WARN(x...) do {} while (0) +#endif /* TIMING */ + +#if COUNT_PAGES +extern unsigned apkenv_bitmask[]; +#define MARK(offset) do { \ + apkenv_bitmask[((offset) >> 12) >> 3] |= (1 << (((offset) >> 12) & 7)); \ + } while(0) +#else +#define MARK(x) do {} while (0) +#endif + +#define DEBUG_DUMP_PHDR(phdr, name, pid) do { \ + DEBUG("%5d %s (phdr = 0x%08x)\n", (pid), (name), (unsigned)(phdr)); \ + DEBUG("\t\tphdr->offset = 0x%08x\n", (unsigned)((phdr)->p_offset)); \ + DEBUG("\t\tphdr->p_vaddr = 0x%08x\n", (unsigned)((phdr)->p_vaddr)); \ + DEBUG("\t\tphdr->p_paddr = 0x%08x\n", (unsigned)((phdr)->p_paddr)); \ + DEBUG("\t\tphdr->p_filesz = 0x%08x\n", (unsigned)((phdr)->p_filesz)); \ + DEBUG("\t\tphdr->p_memsz = 0x%08x\n", (unsigned)((phdr)->p_memsz)); \ + DEBUG("\t\tphdr->p_flags = 0x%08x\n", (unsigned)((phdr)->p_flags)); \ + DEBUG("\t\tphdr->p_align = 0x%08x\n", (unsigned)((phdr)->p_align)); \ + } while (0) + +#endif /* _LINKER_DEBUG_H_ */ |