+++ /dev/null
-/*
- * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-#include <fcntl.h>
-#include <fcntl.h>
-#include <mach-o/loader.h>
-#include <mach-o/fat.h>
-#include <mach-o/stab.h>
-
-
-#include "ObjectFile.h"
-#include "ObjectFileMachO-all.h"
-
- __attribute__((noreturn))
-void throwf(const char* format, ...)
-{
- va_list list;
- char* p;
- va_start(list, format);
- vasprintf(&p, format, list);
- va_end(list);
-
- const char* t = p;
- throw t;
-}
-
-static void dumpStabs(std::vector<ObjectFile::StabsInfo>* stabs)
-{
- // debug info
- const int stabCount = stabs->size();
- printf("stabs: (%u)\n", stabCount);
- for (int i=0; i < stabCount; ++i) {
- ObjectFile::StabsInfo& stab = (*stabs)[i];
- const char* code = "?????";
- switch (stab.type) {
- case N_GSYM:
- code = " GSYM";
- break;
- case N_FNAME:
- code = "FNAME";
- break;
- case N_FUN:
- code = " FUN";
- break;
- case N_STSYM:
- code = "STSYM";
- break;
- case N_LCSYM:
- code = "LCSYM";
- break;
- case N_BNSYM:
- code = "BNSYM";
- break;
- case N_OPT:
- code = " OPT";
- break;
- case N_RSYM:
- code = " RSYM";
- break;
- case N_SLINE:
- code = "SLINE";
- break;
- case N_ENSYM:
- code = "ENSYM";
- break;
- case N_SSYM:
- code = " SSYM";
- break;
- case N_SO:
- code = " SO";
- break;
- case N_LSYM:
- code = " LSYM";
- break;
- case N_BINCL:
- code = "BINCL";
- break;
- case N_SOL:
- code = " SOL";
- break;
- case N_PARAMS:
- code = "PARMS";
- break;
- case N_VERSION:
- code = " VERS";
- break;
- case N_OLEVEL:
- code = "OLEVL";
- break;
- case N_PSYM:
- code = " PSYM";
- break;
- case N_EINCL:
- code = "EINCL";
- break;
- case N_ENTRY:
- code = "ENTRY";
- break;
- case N_LBRAC:
- code = "LBRAC";
- break;
- case N_EXCL:
- code = " EXCL";
- break;
- case N_RBRAC:
- code = "RBRAC";
- break;
- case N_BCOMM:
- code = "BCOMM";
- break;
- case N_ECOMM:
- code = "ECOMM";
- break;
- case N_LENG:
- code = "LENG";
- break;
- }
- printf(" %08X %02X %04X %s %s\n", (uint32_t)stab.atomOffset, stab.other, stab.desc, code, stab.string);
- }
-}
-
-
-static void dumpAtom(ObjectFile::Atom* atom)
-{
- //printf("atom: %p\n", atom);
-
- // name
- printf("name: %s\n", atom->getDisplayName());
-
- // scope
- switch ( atom->getScope() ) {
- case ObjectFile::Atom::scopeTranslationUnit:
- printf("scope: translation unit\n");
- break;
- case ObjectFile::Atom::scopeLinkageUnit:
- printf("scope: linkage unit\n");
- break;
- case ObjectFile::Atom::scopeGlobal:
- printf("scope: global\n");
- break;
- default:
- printf("scope: unknown\n");
- }
-
- // segment and section
- printf("section: %s,%s\n", atom->getSegment().getName(), atom->getSectionName());
-
- // attributes
- printf("attrs: ");
- if ( atom->isWeakDefinition() )
- printf("weak ");
- if ( atom->isCoalesableByName() )
- printf("coalesce-by-name ");
- if ( atom->isCoalesableByValue() )
- printf("coalesce-by-value ");
- if ( atom->dontDeadStrip() )
- printf("dont-dead-strip ");
- if ( atom->isZeroFill() )
- printf("zero-fill ");
- printf("\n");
-
- // size
- printf("size: 0x%012llX\n", atom->getSize());
-
- // alignment
- printf("align: %d\n", atom->getAlignment());
-
- // content
- uint64_t size = atom->getSize();
- if ( size < 4096 ) {
- uint8_t content[size];
- atom->copyRawContent(content);
- printf("content: ");
- if ( strcmp(atom->getSectionName(), "__cstring") == 0 ) {
- printf("\"%s\"", content);
- }
- else {
- for (unsigned int i=0; i < size; ++i)
- printf("%02X ", content[i]);
- }
- }
- printf("\n");
-
- // references
- std::vector<ObjectFile::Reference*>& references = atom->getReferences();
- const int refCount = references.size();
- printf("references: (%u)\n", refCount);
- for (int i=0; i < refCount; ++i) {
- ObjectFile::Reference* ref = references[i];
- printf(" %s\n", ref->getDescription());
- }
-
- // debug info
- std::vector<ObjectFile::StabsInfo>* stabs = atom->getStabsDebugInfo();
- if ( stabs != NULL )
- dumpStabs(stabs);
-}
-
-
-static void dumpFile(ObjectFile::Reader* reader)
-{
-#if 0
- // debug info
- std::vector<ObjectFile::StabsInfo>* stabs = reader->getStabsDebugInfo();
- if ( stabs != NULL )
- dumpStabs(stabs);
-#endif
- // atom content
- std::vector<ObjectFile::Atom*> atoms = reader->getAtoms();
- const int atomCount = atoms.size();
- for(int i=0; i < atomCount; ++i) {
- dumpAtom(atoms[i]);
- printf("\n");
- }
-}
-
-
-static ObjectFile::Reader* createReader(const char* path, const ObjectFile::ReaderOptions& options)
-{
- struct stat stat_buf;
-
- int fd = ::open(path, O_RDONLY, 0);
- if ( fd == -1 )
- throw "cannot open file";
- ::fstat(fd, &stat_buf);
- char* p = (char*)::mmap(NULL, stat_buf.st_size, PROT_READ, MAP_FILE, fd, 0);
- ::close(fd);
- const mach_header* mh = (mach_header*)p;
- if ( mh->magic == OSSwapBigToHostInt32(FAT_MAGIC) ) {
- const struct fat_header* fh = (struct fat_header*)p;
- const struct fat_arch* archs = (struct fat_arch*)(p + sizeof(struct fat_header));
- for (unsigned long i=0; i < fh->nfat_arch; ++i) {
- if ( archs[i].cputype == CPU_TYPE_POWERPC64 ) {
- p = p + archs[i].offset;
- mh = (struct mach_header*)p;
- }
- }
- }
- if ( mh->magic == MH_MAGIC ) {
- if ( mh->filetype == MH_OBJECT ) {
- switch ( mh->cputype ) {
- case CPU_TYPE_I386:
- return i386::ObjectFileMachO::MakeReader((class i386::macho_header*)mh, path, options);
- case CPU_TYPE_POWERPC:
- return ppc::ObjectFileMachO::MakeReader((class ppc::macho_header*)mh, path, options);
- case CPU_TYPE_POWERPC64:
- return ppc64::ObjectFileMachO::MakeReader((class ppc64::macho_header*)mh, path, options);
- default:
- throw "unknown mach-o cpu type";
- }
- }
- if ( mh->filetype == MH_DYLIB )
- return ppc::ObjectFileDylibMachO::MakeReader((class ppc::macho_header*)mh, path, options);
- throw "unknown mach-o file type";
- }
- else if ( mh->magic == MH_MAGIC_64 ) {
- if ( mh->filetype == MH_OBJECT )
- return ppc64::ObjectFileMachO::MakeReader((class ppc64::macho_header*)mh, path, options);
- if ( mh->filetype == MH_DYLIB )
- return ppc64::ObjectFileDylibMachO::MakeReader((class ppc64::macho_header*)mh, path, options);
- throw "unknown mach-o file type";
- }
- else if ( mh->magic == OSSwapInt32(MH_MAGIC) ) {
- if ( mh->filetype == OSSwapInt32(MH_OBJECT) ) {
- switch ( OSSwapInt32(mh->cputype) ) {
- case CPU_TYPE_I386:
- return i386::ObjectFileMachO::MakeReader((class i386::macho_header*)mh, path, options);
- case CPU_TYPE_POWERPC:
- return ppc::ObjectFileMachO::MakeReader((class ppc::macho_header*)mh, path, options);
- case CPU_TYPE_POWERPC64:
- return ppc64::ObjectFileMachO::MakeReader((class ppc64::macho_header*)mh, path, options);
- default:
- throw "unknown mach-o cpu type";
- }
- }
- if ( mh->filetype == OSSwapInt32(MH_DYLIB) )
- return ppc::ObjectFileDylibMachO::MakeReader((class ppc::macho_header*)mh, path, options);
- throw "unknown mach-o file type";
- }
- else if ( mh->magic == OSSwapInt32(MH_MAGIC_64) ) {
- if ( mh->filetype == OSSwapInt32(MH_OBJECT) )
- return ppc64::ObjectFileMachO::MakeReader((class ppc64::macho_header*)mh, path, options);
- if ( mh->filetype == OSSwapInt32(MH_DYLIB) )
- return ppc64::ObjectFileDylibMachO::MakeReader((class ppc64::macho_header*)mh, path, options);
- throw "unknown mach-o file type";
- }
- throw "unknown file type";
-}
-
-
-int main(int argc, const char* argv[])
-{
- ObjectFile::ReaderOptions options;
- //const char* path = argv[1];
- //ObjectFile::Reader* reader = ObjectFile::Reader::createReader(path);
- try {
- ObjectFile::Reader* reader = createReader("/tmp/gcov-1.o", options);
-
- dumpFile(reader);
- }
- catch (const char* msg) {
- fprintf(stderr, "ObjDump failed: %s\n", msg);
- }
-
- return 0;
-}
-
-
-
projects / apple / ld64.git / blobdiff