/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
*
- * Copyright (c) 2008-2009 Apple Inc. All rights reserved.
+ * Copyright (c) 2008-2010 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
#include <vector>
#include <set>
-#include <ext/hash_set>
+#include <unordered_set>
+#include "configure.h"
#include "MachOFileAbstraction.hpp"
#include "Architectures.hpp"
#include "MachOTrie.hpp"
+#include "../ld/code-sign-blobs/superblob.h"
static bool printRebase = false;
static bool printBind = false;
static bool printOpcodes = false;
static bool printExport = false;
static bool printExportGraph = false;
-static cpu_type_t sPreferredArch = CPU_TYPE_I386;
+static bool printExportNodes = false;
+static bool printSharedRegion = false;
+static bool printFunctionStarts = false;
+static bool printDylibs = false;
+static bool printDRs = false;
+static bool printDataCode = false;
+static cpu_type_t sPreferredArch = 0;
static cpu_type_t sPreferredSubArch = 0;
- __attribute__((noreturn))
-void throwf(const char* format, ...)
+__attribute__((noreturn))
+static void throwf(const char* format, ...)
{
va_list list;
char* p;
{
public:
static bool validFile(const uint8_t* fileContent);
- static DyldInfoPrinter<A>* make(const uint8_t* fileContent, uint32_t fileLength, const char* path)
- { return new DyldInfoPrinter<A>(fileContent, fileLength, path); }
+ static DyldInfoPrinter<A>* make(const uint8_t* fileContent, uint32_t fileLength, const char* path, bool printArch)
+ { return new DyldInfoPrinter<A>(fileContent, fileLength, path, printArch); }
virtual ~DyldInfoPrinter() {}
typedef typename A::P::E E;
typedef typename A::P::uint_t pint_t;
- class CStringEquals
- {
- public:
- bool operator()(const char* left, const char* right) const { return (strcmp(left, right) == 0); }
- };
-
- typedef __gnu_cxx::hash_set<const char*, __gnu_cxx::hash<const char*>, CStringEquals> StringSet;
-
- DyldInfoPrinter(const uint8_t* fileContent, uint32_t fileLength, const char* path);
+ DyldInfoPrinter(const uint8_t* fileContent, uint32_t fileLength, const char* path, bool printArch);
void printRebaseInfo();
void printRebaseInfoOpcodes();
void printBindingInfo();
void printLazyBindingOpcodes();
void printExportInfo();
void printExportInfoGraph();
+ void printExportInfoNodes();
void printRelocRebaseInfo();
void printSymbolTableExportInfo();
void printClassicLazyBindingInfo();
void printClassicBindingInfo();
+ void printSharedRegionInfo();
+ void printFunctionStartsInfo();
+ void printDylibsInfo();
+ void printDRInfo();
+ void printDataInCode();
+ void printFunctionStartLine(uint64_t addr);
+ const uint8_t* printSharedRegionInfoForEachULEB128Address(const uint8_t* p, uint8_t kind);
pint_t relocBase();
const char* relocTypeName(uint8_t r_type);
uint8_t segmentIndexForAddress(pint_t addr);
- void processExportNode(const uint8_t* const start, const uint8_t* p, const uint8_t* const end,
- char* cummulativeString, int curStrOffset);
void processExportGraphNode(const uint8_t* const start, const uint8_t* const end,
const uint8_t* parent, const uint8_t* p,
char* cummulativeString, int curStrOffset);
+ void gatherNodeStarts(const uint8_t* const start, const uint8_t* const end,
+ const uint8_t* parent, const uint8_t* p,
+ std::vector<uint32_t>& nodeStarts);
const char* rebaseTypeName(uint8_t type);
const char* bindTypeName(uint8_t type);
pint_t segStartAddress(uint8_t segIndex);
const char* ordinalName(int libraryOrdinal);
const char* classicOrdinalName(int libraryOrdinal);
pint_t* mappedAddressForVMAddress(pint_t vmaddress);
-
+ const char* symbolNameForAddress(uint64_t);
const char* fPath;
const macho_nlist<P>* fSymbols;
uint32_t fSymbolCount;
const macho_dyld_info_command<P>* fInfo;
+ const macho_linkedit_data_command<P>* fSharedRegionInfo;
+ const macho_linkedit_data_command<P>* fFunctionStartsInfo;
+ const macho_linkedit_data_command<P>* fDataInCode;
+ const macho_linkedit_data_command<P>* fDRInfo;
uint64_t fBaseAddress;
const macho_dysymtab_command<P>* fDynamicSymbolTable;
const macho_segment_command<P>* fFirstSegment;
bool fWriteableSegmentWithAddrOver4G;
std::vector<const macho_segment_command<P>*>fSegments;
std::vector<const char*> fDylibs;
+ std::vector<const macho_dylib_command<P>*> fDylibLoadCommands;
};
switch (header->filetype()) {
case MH_EXECUTE:
case MH_DYLIB:
+ case MH_DYLIB_STUB:
case MH_BUNDLE:
case MH_DYLINKER:
return true;
switch (header->filetype()) {
case MH_EXECUTE:
case MH_DYLIB:
+ case MH_DYLIB_STUB:
case MH_BUNDLE:
case MH_DYLINKER:
return true;
switch (header->filetype()) {
case MH_EXECUTE:
case MH_DYLIB:
+ case MH_DYLIB_STUB:
case MH_BUNDLE:
case MH_DYLINKER:
return true;
switch (header->filetype()) {
case MH_EXECUTE:
case MH_DYLIB:
+ case MH_DYLIB_STUB:
case MH_BUNDLE:
case MH_DYLINKER:
return true;
return false;
}
+#if SUPPORT_ARCH_arm_any
template <>
bool DyldInfoPrinter<arm>::validFile(const uint8_t* fileContent)
{
return false;
if ( header->cputype() != CPU_TYPE_ARM )
return false;
+ switch (header->filetype()) {
+ case MH_EXECUTE:
+ case MH_DYLIB:
+ case MH_DYLIB_STUB:
+ case MH_BUNDLE:
+ case MH_DYLINKER:
+ return true;
+ }
+ return false;
+}
+#endif
+
+#if SUPPORT_ARCH_arm64
+template <>
+bool DyldInfoPrinter<arm64>::validFile(const uint8_t* fileContent)
+{
+ const macho_header<P>* header = (const macho_header<P>*)fileContent;
+ if ( header->magic() != MH_MAGIC_64 )
+ return false;
+ if ( header->cputype() != CPU_TYPE_ARM64 )
+ return false;
switch (header->filetype()) {
case MH_EXECUTE:
case MH_DYLIB:
}
return false;
}
+#endif
template <typename A>
-DyldInfoPrinter<A>::DyldInfoPrinter(const uint8_t* fileContent, uint32_t fileLength, const char* path)
+DyldInfoPrinter<A>::DyldInfoPrinter(const uint8_t* fileContent, uint32_t fileLength, const char* path, bool printArch)
: fHeader(NULL), fLength(fileLength),
fStrings(NULL), fStringsEnd(NULL), fSymbols(NULL), fSymbolCount(0), fInfo(NULL),
+ fSharedRegionInfo(NULL), fFunctionStartsInfo(NULL), fDataInCode(NULL), fDRInfo(NULL),
fBaseAddress(0), fDynamicSymbolTable(NULL), fFirstSegment(NULL), fFirstWritableSegment(NULL),
fWriteableSegmentWithAddrOver4G(false)
{
case LC_LOAD_DYLIB:
case LC_LOAD_WEAK_DYLIB:
case LC_REEXPORT_DYLIB:
+ case LC_LOAD_UPWARD_DYLIB:
case LC_LAZY_LOAD_DYLIB:
{
const macho_dylib_command<P>* dylib = (macho_dylib_command<P>*)cmd;
+ fDylibLoadCommands.push_back(dylib);
const char* lastSlash = strrchr(dylib->name(), '/');
const char* leafName = (lastSlash != NULL) ? lastSlash+1 : dylib->name();
const char* firstDot = strchr(leafName, '.');
fStringsEnd = fStrings + symtab->strsize();
}
break;
+ case LC_SEGMENT_SPLIT_INFO:
+ fSharedRegionInfo = (macho_linkedit_data_command<P>*)cmd;
+ break;
+ case LC_FUNCTION_STARTS:
+ fFunctionStartsInfo = (macho_linkedit_data_command<P>*)cmd;
+ break;
+ case LC_DATA_IN_CODE:
+ fDataInCode = (macho_linkedit_data_command<P>*)cmd;
+ break;
+ case LC_DYLIB_CODE_SIGN_DRS:
+ fDRInfo = (macho_linkedit_data_command<P>*)cmd;
+ break;
}
cmd = (const macho_load_command<P>*)endOfCmd;
}
+ if ( printArch ) {
+ for (const ArchInfo* t=archInfoArray; t->archName != NULL; ++t) {
+ if ( (cpu_type_t)fHeader->cputype() == t->cpuType ) {
+ if ( t->isSubType && ((cpu_subtype_t)fHeader->cpusubtype() != t->cpuSubType) )
+ continue;
+ printf("for arch %s:\n", t->archName);
+ }
+ }
+ }
+
if ( printRebase ) {
if ( fInfo != NULL )
printRebaseInfo();
}
if ( printExportGraph )
printExportInfoGraph();
+ if ( printExportNodes )
+ printExportInfoNodes();
+ if ( printSharedRegion )
+ printSharedRegionInfo();
+ if ( printFunctionStarts )
+ printFunctionStartsInfo();
+ if ( printDylibs )
+ printDylibsInfo();
+ if ( printDRs )
+ printDRInfo();
+ if ( printDataCode )
+ printDataInCode();
}
static uint64_t read_uleb128(const uint8_t*& p, const uint8_t* end)
if (p == end)
throwf("malformed sleb128");
byte = *p++;
- result |= ((byte & 0x7f) << bit);
+ result |= (((int64_t)(byte & 0x7f)) << bit);
bit += 7;
} while (byte & 0x80);
// sign extend negative numbers
template <typename A>
const char* DyldInfoPrinter<A>::classicOrdinalName(int libraryOrdinal)
{
+ if ( (fHeader->flags() & MH_TWOLEVEL) == 0 )
+ return "flat-namespace";
switch ( libraryOrdinal) {
case SELF_LIBRARY_ORDINAL:
return "this-image";
uint64_t segOffset = 0;
uint32_t count;
uint32_t skip;
- int segIndex;
+ int segIndex = 0;
pint_t segStartAddr = 0;
const char* segName = "??";
const char* typeName = "??";
}
else {
printf("bind information:\n");
- printf("segment section address type weak addend dylib symbol\n");
+ printf("segment section address type addend dylib symbol\n");
const uint8_t* p = (uint8_t*)fHeader + fInfo->bind_off();
const uint8_t* end = &p[fInfo->bind_size()];
++p;
++p;
if ( (immediate & BIND_SYMBOL_FLAGS_WEAK_IMPORT) != 0 )
- weak_import = "weak";
+ weak_import = " (weak import)";
else
weak_import = "";
break;
segOffset += read_uleb128(p, end);
break;
case BIND_OPCODE_DO_BIND:
- printf("%-7s %-16s 0x%08llX %10s %4s %5lld %-16s %s\n", segName, sectionName(segIndex, segStartAddr+segOffset), segStartAddr+segOffset, typeName, weak_import, addend, fromDylib, symbolName );
+ printf("%-7s %-16s 0x%08llX %10s %5lld %-16s %s%s\n", segName, sectionName(segIndex, segStartAddr+segOffset), segStartAddr+segOffset, typeName, addend, fromDylib, symbolName, weak_import );
segOffset += sizeof(pint_t);
break;
case BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB:
- printf("%-7s %-16s 0x%08llX %10s %4s %5lld %-16s %s\n", segName, sectionName(segIndex, segStartAddr+segOffset), segStartAddr+segOffset, typeName, weak_import, addend, fromDylib, symbolName );
+ printf("%-7s %-16s 0x%08llX %10s %5lld %-16s %s%s\n", segName, sectionName(segIndex, segStartAddr+segOffset), segStartAddr+segOffset, typeName, addend, fromDylib, symbolName, weak_import );
segOffset += read_uleb128(p, end) + sizeof(pint_t);
break;
case BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED:
- printf("%-7s %-16s 0x%08llX %10s %4s %5lld %-16s %s\n", segName, sectionName(segIndex, segStartAddr+segOffset), segStartAddr+segOffset, typeName, weak_import, addend, fromDylib, symbolName );
+ printf("%-7s %-16s 0x%08llX %10s %5lld %-16s %s%s\n", segName, sectionName(segIndex, segStartAddr+segOffset), segStartAddr+segOffset, typeName, addend, fromDylib, symbolName, weak_import );
segOffset += immediate*sizeof(pint_t) + sizeof(pint_t);
break;
case BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB:
count = read_uleb128(p, end);
skip = read_uleb128(p, end);
for (uint32_t i=0; i < count; ++i) {
- printf("%-7s %-16s 0x%08llX %10s %4s %5lld %-16s %s\n", segName, sectionName(segIndex, segStartAddr+segOffset), segStartAddr+segOffset, typeName, weak_import, addend, fromDylib, symbolName );
+ printf("%-7s %-16s 0x%08llX %10s %5lld %-16s %s%s\n", segName, sectionName(segIndex, segStartAddr+segOffset), segStartAddr+segOffset, typeName, addend, fromDylib, symbolName, weak_import );
segOffset += skip + sizeof(pint_t);
}
break;
pint_t segStartAddr = 0;
const char* segName = "??";
const char* typeName = "??";
+ const char* weak_import = "";
for (const uint8_t* p=start; p < end; ) {
uint8_t immediate = *p & BIND_IMMEDIATE_MASK;
uint8_t opcode = *p & BIND_OPCODE_MASK;
while (*p != '\0')
++p;
++p;
+ if ( (immediate & BIND_SYMBOL_FLAGS_WEAK_IMPORT) != 0 )
+ weak_import = " (weak import)";
+ else
+ weak_import = "";
break;
case BIND_OPCODE_SET_TYPE_IMM:
type = immediate;
segOffset += read_uleb128(p, end);
break;
case BIND_OPCODE_DO_BIND:
- printf("%-7s %-16s 0x%08llX 0x%04X %-16s %s\n", segName, sectionName(segIndex, segStartAddr+segOffset), segStartAddr+segOffset, lazy_offset, fromDylib, symbolName );
+ printf("%-7s %-16s 0x%08llX 0x%04X %-16s %s%s\n", segName, sectionName(segIndex, segStartAddr+segOffset), segStartAddr+segOffset, lazy_offset, fromDylib, symbolName, weak_import);
segOffset += sizeof(pint_t);
break;
default:
}
-
-template <typename A>
-void DyldInfoPrinter<A>::processExportNode(const uint8_t* const start, const uint8_t* p, const uint8_t* const end,
- char* cummulativeString, int curStrOffset)
-{
- const uint8_t terminalSize = *p++;
- const uint8_t* children = p + terminalSize;
- if ( terminalSize != 0 ) {
- uint32_t flags = read_uleb128(p, end);
- uint64_t address = read_uleb128(p, end);
- if ( flags & EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION )
- fprintf(stdout, "0x%08llX [weak_def] %s\n", address, cummulativeString);
- else
- fprintf(stdout, "0x%08llX %s\n", address, cummulativeString);
- }
- const uint8_t childrenCount = *children++;
- const uint8_t* s = children;
- for (uint8_t i=0; i < childrenCount; ++i) {
- int edgeStrLen = 0;
- while (*s != '\0') {
- cummulativeString[curStrOffset+edgeStrLen] = *s++;
- ++edgeStrLen;
- }
- cummulativeString[curStrOffset+edgeStrLen] = *s++;
- uint32_t childNodeOffet = read_uleb128(s, end);
- processExportNode(start, start+childNodeOffet, end, cummulativeString, curStrOffset+edgeStrLen);
- }
-}
-
struct SortExportsByAddress
{
bool operator()(const mach_o::trie::Entry& left, const mach_o::trie::Entry& right)
parseTrie(start, end, list);
//std::sort(list.begin(), list.end(), SortExportsByAddress());
for (std::vector<mach_o::trie::Entry>::iterator it=list.begin(); it != list.end(); ++it) {
- const char* flags = "";
- if ( it->flags & EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION )
- flags = "[weak_def] ";
- fprintf(stdout, "0x%08llX %s%s\n", fBaseAddress+it->address, flags, it->name);
+ const bool reExport = (it->flags & EXPORT_SYMBOL_FLAGS_REEXPORT);
+ const bool weakDef = (it->flags & EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION);
+ const bool threadLocal = ((it->flags & EXPORT_SYMBOL_FLAGS_KIND_MASK) == EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL);
+ const bool abs = ((it->flags & EXPORT_SYMBOL_FLAGS_KIND_MASK) == EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE);
+ const bool resolver = (it->flags & EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER);
+ if ( reExport )
+ printf("[re-export] ");
+ else
+ printf("0x%08llX ", fBaseAddress+it->address);
+ printf("%s", it->name);
+ if ( weakDef || threadLocal || resolver || abs ) {
+ bool needComma = false;
+ printf(" [");
+ if ( weakDef ) {
+ printf("weak_def");
+ needComma = true;
+ }
+ if ( threadLocal ) {
+ if ( needComma )
+ printf(", ");
+ printf("per-thread");
+ needComma = true;
+ }
+ if ( abs ) {
+ if ( needComma )
+ printf(", ");
+ printf("absolute");
+ needComma = true;
+ }
+ if ( resolver ) {
+ if ( needComma )
+ printf(", ");
+ printf("resolver=0x%08llX", it->other);
+ needComma = true;
+ }
+ printf("]");
+ }
+ if ( reExport ) {
+ if ( it->importName[0] == '\0' )
+ printf(" (from %s)", fDylibs[it->other - 1]);
+ else
+ printf(" (%s from %s)", it->importName, fDylibs[it->other - 1]);
+ }
+ printf("\n");
}
}
}
char* cummulativeString, int curStrOffset)
{
const uint8_t* const me = p;
- const uint8_t terminalSize = *p++;
+ const uint64_t terminalSize = read_uleb128(p, end);
const uint8_t* children = p + terminalSize;
if ( terminalSize != 0 ) {
uint32_t flags = read_uleb128(p, end);
- (void)flags; // currently unused
- uint64_t address = read_uleb128(p, end);
- printf("\tnode%03ld [ label=%s,addr0x%08llX ];\n", (long)(me-start), cummulativeString, address);
+ if ( flags & EXPORT_SYMBOL_FLAGS_REEXPORT ) {
+ uint64_t ordinal = read_uleb128(p, end);
+ const char* importName = (const char*)p;
+ while (*p != '\0')
+ ++p;
+ ++p;
+ if ( *importName == '\0' )
+ printf("\tnode%03ld [ label=%s,re-export from dylib=%llu ];\n", (long)(me-start), cummulativeString, ordinal);
+ else
+ printf("\tnode%03ld [ label=%s,re-export %s from dylib=%llu ];\n", (long)(me-start), cummulativeString, importName, ordinal);
+ }
+ else {
+ uint64_t address = read_uleb128(p, end);
+ printf("\tnode%03ld [ label=%s,addr0x%08llX ];\n", (long)(me-start), cummulativeString, address);
+ if ( flags & EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER )
+ read_uleb128(p, end);
+ }
}
else {
printf("\tnode%03ld;\n", (long)(me-start));
}
}
+template <typename A>
+void DyldInfoPrinter<A>::gatherNodeStarts(const uint8_t* const start, const uint8_t* const end,
+ const uint8_t* parent, const uint8_t* p,
+ std::vector<uint32_t>& nodeStarts)
+{
+ nodeStarts.push_back(p-start);
+ const uint8_t terminalSize = read_uleb128(p, end);
+ const uint8_t* children = p + terminalSize;
+
+ const uint8_t childrenCount = *children++;
+ const uint8_t* s = children;
+ for (uint8_t i=0; i < childrenCount; ++i) {
+ // skip over edge string
+ while (*s != '\0')
+ ++s;
+ ++s;
+ uint32_t childNodeOffet = read_uleb128(s, end);
+ gatherNodeStarts(start, end, start, start+childNodeOffet, nodeStarts);
+ }
+}
+
+
+template <typename A>
+void DyldInfoPrinter<A>::printExportInfoNodes()
+{
+ if ( (fInfo == NULL) || (fInfo->export_off() == 0) ) {
+ printf("no compressed export info\n");
+ }
+ else {
+ const uint8_t* start = (uint8_t*)fHeader + fInfo->export_off();
+ const uint8_t* end = &start[fInfo->export_size()];
+ std::vector<uint32_t> nodeStarts;
+ gatherNodeStarts(start, end, start, start, nodeStarts);
+ std::sort(nodeStarts.begin(), nodeStarts.end());
+ for (std::vector<uint32_t>::const_iterator it=nodeStarts.begin(); it != nodeStarts.end(); ++it) {
+ printf("0x%04X: ", *it);
+ const uint8_t* p = start + *it;
+ uint64_t exportInfoSize = read_uleb128(p, end);
+ if ( exportInfoSize != 0 ) {
+ // print terminal info
+ uint64_t flags = read_uleb128(p, end);
+ if ( flags & EXPORT_SYMBOL_FLAGS_REEXPORT ) {
+ uint64_t ordinal = read_uleb128(p, end);
+ const char* importName = (const char*)p;
+ while (*p != '\0')
+ ++p;
+ ++p;
+ if ( strlen(importName) == 0 )
+ printf("[flags=REEXPORT ordinal=%llu] ", ordinal);
+ else
+ printf("[flags=REEXPORT ordinal=%llu import=%s] ", ordinal, importName);
+ }
+ else if ( flags & EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER ) {
+ uint64_t stub = read_uleb128(p, end);
+ uint64_t resolver = read_uleb128(p, end);
+ printf("[flags=STUB_AND_RESOLVER stub=0x%06llX resolver=0x%06llX] ", stub, resolver);
+ }
+ else {
+ uint64_t address = read_uleb128(p, end);
+ if ( (flags & EXPORT_SYMBOL_FLAGS_KIND_MASK) == EXPORT_SYMBOL_FLAGS_KIND_REGULAR )
+ printf("[addr=0x%06llX] ", address);
+ else if ( (flags & EXPORT_SYMBOL_FLAGS_KIND_MASK) == EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL)
+ printf("[flags=THREAD_LOCAL addr=0x%06llX] ", address);
+ else if ( (flags & EXPORT_SYMBOL_FLAGS_KIND_MASK) == EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE)
+ printf("[flags=ABSOLUTE addr=0x%06llX] ", address);
+ else
+ printf("[flags=0x%llX addr=0x%06llX] ", flags, address);
+ }
+ }
+ // print child edges
+ const uint8_t childrenCount = *p++;
+ for (uint8_t i=0; i < childrenCount; ++i) {
+ const char* edgeName = (const char*)p;
+ while (*p != '\0')
+ ++p;
+ ++p;
+ uint32_t childNodeOffet = read_uleb128(p, end);
+ printf("%s->0x%04X", edgeName, childNodeOffet);
+ if ( i < (childrenCount-1) )
+ printf(", ");
+ }
+ printf("\n");
+ }
+ }
+}
+
+
+
+template <typename A>
+const uint8_t* DyldInfoPrinter<A>::printSharedRegionInfoForEachULEB128Address(const uint8_t* p, uint8_t kind)
+{
+ const char* kindStr = "??";
+ switch (kind) {
+ case 1:
+ kindStr = "32-bit pointer";
+ break;
+ case 2:
+ kindStr = "64-bit pointer";
+ break;
+ case 3:
+#if SUPPORT_ARCH_arm64
+ if ( fHeader->cputype() == CPU_TYPE_ARM64 )
+ kindStr = "arm64 ADRP";
+ else
+#endif
+ kindStr = "ppc hi16";
+ break;
+ case 4:
+ kindStr = "32-bit offset to IMPORT";
+ break;
+ case 5:
+ kindStr = "thumb2 movw";
+ break;
+ case 6:
+ kindStr = "ARM movw";
+ break;
+ case 0x10:
+ kindStr = "thumb2 movt low high 4 bits=0";
+ break;
+ case 0x11:
+ kindStr = "thumb2 movt low high 4 bits=1";
+ break;
+ case 0x12:
+ kindStr = "thumb2 movt low high 4 bits=2";
+ break;
+ case 0x13:
+ kindStr = "thumb2 movt low high 4 bits=3";
+ break;
+ case 0x14:
+ kindStr = "thumb2 movt low high 4 bits=4";
+ break;
+ case 0x15:
+ kindStr = "thumb2 movt low high 4 bits=5";
+ break;
+ case 0x16:
+ kindStr = "thumb2 movt low high 4 bits=6";
+ break;
+ case 0x17:
+ kindStr = "thumb2 movt low high 4 bits=7";
+ break;
+ case 0x18:
+ kindStr = "thumb2 movt low high 4 bits=8";
+ break;
+ case 0x19:
+ kindStr = "thumb2 movt low high 4 bits=9";
+ break;
+ case 0x1A:
+ kindStr = "thumb2 movt low high 4 bits=0xA";
+ break;
+ case 0x1B:
+ kindStr = "thumb2 movt low high 4 bits=0xB";
+ break;
+ case 0x1C:
+ kindStr = "thumb2 movt low high 4 bits=0xC";
+ break;
+ case 0x1D:
+ kindStr = "thumb2 movt low high 4 bits=0xD";
+ break;
+ case 0x1E:
+ kindStr = "thumb2 movt low high 4 bits=0xE";
+ break;
+ case 0x1F:
+ kindStr = "thumb2 movt low high 4 bits=0xF";
+ break;
+ }
+ uint64_t address = 0;
+ uint64_t delta = 0;
+ uint32_t shift = 0;
+ bool more = true;
+ do {
+ uint8_t byte = *p++;
+ delta |= ((byte & 0x7F) << shift);
+ shift += 7;
+ if ( byte < 0x80 ) {
+ if ( delta != 0 ) {
+ address += delta;
+ printf("0x%0llX %s\n", address+fBaseAddress, kindStr);
+ delta = 0;
+ shift = 0;
+ }
+ else {
+ more = false;
+ }
+ }
+ } while (more);
+ return p;
+}
+
+template <typename A>
+void DyldInfoPrinter<A>::printSharedRegionInfo()
+{
+ if ( (fSharedRegionInfo == NULL) || (fSharedRegionInfo->datasize() == 0) ) {
+ printf("no shared region info\n");
+ }
+ else {
+ const uint8_t* infoStart = (uint8_t*)fHeader + fSharedRegionInfo->dataoff();
+ const uint8_t* infoEnd = &infoStart[fSharedRegionInfo->datasize()];
+ for(const uint8_t* p = infoStart; (*p != 0) && (p < infoEnd);) {
+ uint8_t kind = *p++;
+ p = this->printSharedRegionInfoForEachULEB128Address(p, kind);
+ }
+
+ }
+}
+
+#if SUPPORT_ARCH_arm_any
+template <>
+void DyldInfoPrinter<arm>::printFunctionStartLine(uint64_t addr)
+{
+ if ( addr & 1 )
+ printf("0x%0llX [thumb] %s\n", (addr & -2), symbolNameForAddress(addr & -2));
+ else
+ printf("0x%0llX %s\n", addr, symbolNameForAddress(addr));
+}
+#endif
+
+template <typename A>
+void DyldInfoPrinter<A>::printFunctionStartLine(uint64_t addr)
+{
+ printf("0x%0llX %s\n", addr, symbolNameForAddress(addr));
+}
+
+
+template <typename A>
+void DyldInfoPrinter<A>::printFunctionStartsInfo()
+{
+ if ( (fFunctionStartsInfo == NULL) || (fFunctionStartsInfo->datasize() == 0) ) {
+ printf("no function starts info\n");
+ }
+ else {
+ const uint8_t* infoStart = (uint8_t*)fHeader + fFunctionStartsInfo->dataoff();
+ const uint8_t* infoEnd = &infoStart[fFunctionStartsInfo->datasize()];
+ uint64_t address = fBaseAddress;
+ for(const uint8_t* p = infoStart; (*p != 0) && (p < infoEnd); ) {
+ uint64_t delta = 0;
+ uint32_t shift = 0;
+ bool more = true;
+ do {
+ uint8_t byte = *p++;
+ delta |= ((byte & 0x7F) << shift);
+ shift += 7;
+ if ( byte < 0x80 ) {
+ address += delta;
+ printFunctionStartLine(address);
+ more = false;
+ }
+ } while (more);
+ }
+ }
+}
+
+template <typename A>
+void DyldInfoPrinter<A>::printDylibsInfo()
+{
+ printf("attributes dependent dylibs\n");
+ for(typename std::vector<const macho_dylib_command<P>*>::iterator it = fDylibLoadCommands.begin(); it != fDylibLoadCommands.end(); ++it) {
+ const macho_dylib_command<P>* dylib = *it;
+ const char* attribute = "";
+ switch ( dylib->cmd() ) {
+ case LC_LOAD_WEAK_DYLIB:
+ attribute = "weak_import";
+ break;
+ case LC_REEXPORT_DYLIB:
+ attribute = "re-export";
+ break;
+ case LC_LOAD_UPWARD_DYLIB:
+ attribute = "upward";
+ break;
+ case LC_LAZY_LOAD_DYLIB:
+ attribute = "lazy_load";
+ break;
+ case LC_LOAD_DYLIB:
+ default:
+ break;
+ }
+ printf(" %-12s %s\n", attribute, dylib->name());
+ }
+}
+
+template <typename A>
+void DyldInfoPrinter<A>::printDRInfo()
+{
+ if ( fDRInfo == NULL ) {
+ printf("no Designated Requirements info\n");
+ }
+ else {
+ printf("dylibs DRs\n");
+ const uint8_t* start = ((uint8_t*)fHeader + fDRInfo->dataoff());
+ //const uint8_t* end = ((uint8_t*)fHeader + fDRInfo->dataoff() + fDRInfo->datasize());
+ typedef Security::SuperBlob<Security::kSecCodeMagicDRList> DRListSuperBlob;
+ typedef Security::SuperBlob<Security::kSecCodeMagicRequirementSet> InternalRequirementsSetBlob;
+ const DRListSuperBlob* topBlob = (DRListSuperBlob*)start;
+ if ( topBlob->validateBlob(fDRInfo->datasize()) ) {
+ if ( topBlob->count() == fDylibLoadCommands.size() ) {
+ for(unsigned i=0; i < topBlob->count(); ++i) {
+ printf(" %-20s ", fDylibs[i]);
+ const Security::BlobCore* item = topBlob->find(i);
+ if ( item != NULL ) {
+ const uint8_t* itemStart = (uint8_t*)item;
+ const uint8_t* itemEnd = itemStart + item->length();
+ for(const uint8_t* p=itemStart; p < itemEnd; ++p)
+ printf("%02X ", *p);
+ }
+ else {
+ printf("no DR info");
+ }
+ printf("\n");
+ }
+ }
+ else {
+ fprintf(stderr, "superblob of DRs has a different number of elements than dylib load commands\n");
+ }
+ }
+ else {
+ fprintf(stderr, "superblob of DRs invalid\n");
+ }
+ }
+}
+
+
+
+
+
+template <typename A>
+void DyldInfoPrinter<A>::printDataInCode()
+{
+ if ( fDataInCode == NULL ) {
+ printf("no data-in-code info\n");
+ }
+ else {
+ printf("offset length data-kind\n");
+ const macho_data_in_code_entry<P>* start = (macho_data_in_code_entry<P>*)((uint8_t*)fHeader + fDataInCode->dataoff());
+ const macho_data_in_code_entry<P>* end = (macho_data_in_code_entry<P>*)((uint8_t*)fHeader + fDataInCode->dataoff() + fDataInCode->datasize());
+ for (const macho_data_in_code_entry<P>* p=start; p < end; ++p) {
+ const char* kindStr = "???";
+ switch ( p->kind() ) {
+ case 1:
+ kindStr = "data";
+ break;
+ case 2:
+ kindStr = "jumptable8";
+ break;
+ case 3:
+ kindStr = "jumptable16";
+ break;
+ case 4:
+ kindStr = "jumptable32";
+ break;
+ case 5:
+ kindStr = "jumptable32absolute";
+ break;
+ }
+ printf("0x%08X 0x%04X %s\n", p->offset(), p->length(), kindStr);
+ }
+ }
+}
+
+
template <>
ppc::P::uint_t DyldInfoPrinter<ppc>::relocBase()
template <>
x86_64::P::uint_t DyldInfoPrinter<x86_64>::relocBase()
{
- // check for split-seg
return fFirstWritableSegment->vmaddr();
}
+#if SUPPORT_ARCH_arm_any
template <>
arm::P::uint_t DyldInfoPrinter<arm>::relocBase()
{
else
return fFirstSegment->vmaddr();
}
+#endif
+#if SUPPORT_ARCH_arm64
+template <>
+arm64::P::uint_t DyldInfoPrinter<arm64>::relocBase()
+{
+ return fFirstWritableSegment->vmaddr();
+}
+#endif
template <>
const char* DyldInfoPrinter<ppc>::relocTypeName(uint8_t r_type)
{
if ( r_type == GENERIC_RELOC_VANILLA )
return "pointer";
- else if ( r_type == PPC_RELOC_PB_LA_PTR )
- return "pb pointer";
else
return "??";
}
return "??";
}
+#if SUPPORT_ARCH_arm_any
template <>
const char* DyldInfoPrinter<arm>::relocTypeName(uint8_t r_type)
{
else
return "??";
}
-
+#endif
+
+#if SUPPORT_ARCH_arm64
+template <>
+const char* DyldInfoPrinter<arm64>::relocTypeName(uint8_t r_type)
+{
+ if ( r_type == ARM64_RELOC_UNSIGNED )
+ return "pointer";
+ return "??";
+}
+#endif
template <typename A>
void DyldInfoPrinter<A>::printRelocRebaseInfo()
}
}
+template <typename A>
+const char* DyldInfoPrinter<A>::symbolNameForAddress(uint64_t addr)
+{
+ if ( fDynamicSymbolTable != NULL ) {
+ // find exact match in globals
+ const macho_nlist<P>* lastExport = &fSymbols[fDynamicSymbolTable->iextdefsym()+fDynamicSymbolTable->nextdefsym()];
+ for (const macho_nlist<P>* sym = &fSymbols[fDynamicSymbolTable->iextdefsym()]; sym < lastExport; ++sym) {
+ if ( (sym->n_value() == addr) && ((sym->n_type() & N_TYPE) == N_SECT) && ((sym->n_type() & N_STAB) == 0) ) {
+ return &fStrings[sym->n_strx()];
+ }
+ }
+ // find exact match in local symbols
+ const macho_nlist<P>* lastLocal = &fSymbols[fDynamicSymbolTable->ilocalsym()+fDynamicSymbolTable->nlocalsym()];
+ for (const macho_nlist<P>* sym = &fSymbols[fDynamicSymbolTable->ilocalsym()]; sym < lastLocal; ++sym) {
+ if ( (sym->n_value() == addr) && ((sym->n_type() & N_TYPE) == N_SECT) && ((sym->n_type() & N_STAB) == 0) ) {
+ return &fStrings[sym->n_strx()];
+ }
+ }
+ }
+ else {
+ // find exact match in all symbols
+ const macho_nlist<P>* lastSym = &fSymbols[fSymbolCount];
+ for (const macho_nlist<P>* sym = &fSymbols[0]; sym < lastSym; ++sym) {
+ if ( (sym->n_value() == addr) && ((sym->n_type() & N_TYPE) == N_SECT) && ((sym->n_type() & N_STAB) == 0) ) {
+ return &fStrings[sym->n_strx()];
+ }
+ }
+ }
+
+ return "?";
+}
template <typename A>
void DyldInfoPrinter<A>::printClassicBindingInfo()
size_t size = OSSwapBigToHostInt32(archs[i].size);
cpu_type_t cputype = OSSwapBigToHostInt32(archs[i].cputype);
cpu_type_t cpusubtype = OSSwapBigToHostInt32(archs[i].cpusubtype);
- if ( (cputype == sPreferredArch)
- && ((sPreferredSubArch==0) || (sPreferredSubArch==cpusubtype)) ) {
+ if ( ((cputype == sPreferredArch)
+ && ((sPreferredSubArch==0) || (sPreferredSubArch==cpusubtype)))
+ || (sPreferredArch == 0) ) {
switch(cputype) {
case CPU_TYPE_POWERPC:
if ( DyldInfoPrinter<ppc>::validFile(p + offset) )
- DyldInfoPrinter<ppc>::make(p + offset, size, path);
+ DyldInfoPrinter<ppc>::make(p + offset, size, path, (sPreferredArch == 0));
else
throw "in universal file, ppc slice does not contain ppc mach-o";
break;
case CPU_TYPE_I386:
if ( DyldInfoPrinter<x86>::validFile(p + offset) )
- DyldInfoPrinter<x86>::make(p + offset, size, path);
+ DyldInfoPrinter<x86>::make(p + offset, size, path, (sPreferredArch == 0));
else
throw "in universal file, i386 slice does not contain i386 mach-o";
break;
case CPU_TYPE_POWERPC64:
if ( DyldInfoPrinter<ppc64>::validFile(p + offset) )
- DyldInfoPrinter<ppc64>::make(p + offset, size, path);
+ DyldInfoPrinter<ppc64>::make(p + offset, size, path, (sPreferredArch == 0));
else
throw "in universal file, ppc64 slice does not contain ppc64 mach-o";
break;
case CPU_TYPE_X86_64:
if ( DyldInfoPrinter<x86_64>::validFile(p + offset) )
- DyldInfoPrinter<x86_64>::make(p + offset, size, path);
+ DyldInfoPrinter<x86_64>::make(p + offset, size, path, (sPreferredArch == 0));
else
throw "in universal file, x86_64 slice does not contain x86_64 mach-o";
break;
+#if SUPPORT_ARCH_arm_any
case CPU_TYPE_ARM:
- if ( DyldInfoPrinter<arm>::validFile(p + offset) )
- DyldInfoPrinter<arm>::make(p + offset, size, path);
+ if ( DyldInfoPrinter<arm>::validFile(p + offset) )
+ DyldInfoPrinter<arm>::make(p + offset, size, path, (sPreferredArch == 0));
else
throw "in universal file, arm slice does not contain arm mach-o";
break;
+#endif
+#if SUPPORT_ARCH_arm64
+ case CPU_TYPE_ARM64:
+ if ( DyldInfoPrinter<arm64>::validFile(p + offset) )
+ DyldInfoPrinter<arm64>::make(p + offset, size, path, (sPreferredArch == 0));
+ else
+ throw "in universal file, arm64 slice does not contain arm mach-o";
+ break;
+#endif
default:
throwf("in universal file, unknown architecture slice 0x%x\n", cputype);
}
}
}
else if ( DyldInfoPrinter<x86>::validFile(p) ) {
- DyldInfoPrinter<x86>::make(p, length, path);
+ DyldInfoPrinter<x86>::make(p, length, path, false);
}
else if ( DyldInfoPrinter<ppc>::validFile(p) ) {
- DyldInfoPrinter<ppc>::make(p, length, path);
+ DyldInfoPrinter<ppc>::make(p, length, path, false);
}
else if ( DyldInfoPrinter<ppc64>::validFile(p) ) {
- DyldInfoPrinter<ppc64>::make(p, length, path);
+ DyldInfoPrinter<ppc64>::make(p, length, path, false);
}
else if ( DyldInfoPrinter<x86_64>::validFile(p) ) {
- DyldInfoPrinter<x86_64>::make(p, length, path);
+ DyldInfoPrinter<x86_64>::make(p, length, path, false);
}
+#if SUPPORT_ARCH_arm_any
else if ( DyldInfoPrinter<arm>::validFile(p) ) {
- DyldInfoPrinter<arm>::make(p, length, path);
+ DyldInfoPrinter<arm>::make(p, length, path, false);
}
+#endif
+#if SUPPORT_ARCH_arm64
+ else if ( DyldInfoPrinter<arm64>::validFile(p) ) {
+ DyldInfoPrinter<arm64>::make(p, length, path, false);
+ }
+#endif
else {
throw "not a known file type";
}
static void usage()
{
fprintf(stderr, "Usage: dyldinfo [-arch <arch>] <options> <mach-o file>\n"
+ "\t-dylibs print dependent dylibs\n"
+ "\t-dr print dependent dylibs and show any recorded DR info\n"
"\t-rebase print addresses dyld will adjust if file not loaded at preferred address\n"
"\t-bind print addresses dyld will set based on symbolic lookups\n"
"\t-weak_bind print symbols which dyld must coalesce\n"
"\t-lazy_bind print addresses dyld will lazily set on first use\n"
"\t-export print addresses of all symbols this file exports\n"
"\t-opcodes print opcodes used to generate the rebase and binding information\n"
+ "\t-function_starts print table of function start addresses\n"
"\t-export_dot print a GraphViz .dot file of the exported symbols trie\n"
+ "\t-data_in_code print any data-in-code inforamtion\n"
);
}
sPreferredArch = CPU_TYPE_I386;
else if ( strcmp(arch, "x86_64") == 0 )
sPreferredArch = CPU_TYPE_X86_64;
- else if ( strcmp(arch, "arm") == 0 )
- sPreferredArch = CPU_TYPE_ARM;
- else if ( strcmp(arch, "armv4t") == 0 ) {
- sPreferredArch = CPU_TYPE_ARM;
- sPreferredSubArch = CPU_SUBTYPE_ARM_V4T;
- }
- else if ( strcmp(arch, "armv5") == 0 ) {
- sPreferredArch = CPU_TYPE_ARM;
- sPreferredSubArch = CPU_SUBTYPE_ARM_V5TEJ;
- }
- else if ( strcmp(arch, "armv6") == 0 ) {
- sPreferredArch = CPU_TYPE_ARM;
- sPreferredSubArch = CPU_SUBTYPE_ARM_V6;
- }
- else if ( strcmp(arch, "armv7") == 0 ) {
- sPreferredArch = CPU_TYPE_ARM;
- sPreferredSubArch = CPU_SUBTYPE_ARM_V7;
+#if SUPPORT_ARCH_arm64
+ else if ( strcmp(arch, "arm64") == 0 )
+ sPreferredArch = CPU_TYPE_ARM64;
+#endif
+ else {
+ if ( arch == NULL )
+ throw "-arch missing architecture name";
+ bool found = false;
+ for (const ArchInfo* t=archInfoArray; t->archName != NULL; ++t) {
+ if ( strcmp(t->archName,arch) == 0 ) {
+ sPreferredArch = t->cpuType;
+ if ( t->isSubType )
+ sPreferredSubArch = t->cpuSubType;
+ found = true;
+ break;
+ }
+ }
+ if ( !found )
+ throwf("unknown architecture %s", arch);
}
- else
- throwf("unknown architecture %s", arch);
}
else if ( strcmp(arg, "-rebase") == 0 ) {
printRebase = true;
else if ( strcmp(arg, "-export_dot") == 0 ) {
printExportGraph = true;
}
+ else if ( strcmp(arg, "-export_trie_nodes") == 0 ) {
+ printExportNodes = true;
+ }
+ else if ( strcmp(arg, "-shared_region") == 0 ) {
+ printSharedRegion = true;
+ }
+ else if ( strcmp(arg, "-function_starts") == 0 ) {
+ printFunctionStarts = true;
+ }
+ else if ( strcmp(arg, "-dylibs") == 0 ) {
+ printDylibs = true;
+ }
+ else if ( strcmp(arg, "-dr") == 0 ) {
+ printDRs = true;
+ }
+ else if ( strcmp(arg, "-data_in_code") == 0 ) {
+ printDataCode = true;
+ }
else {
throwf("unknown option: %s\n", arg);
}
projects / apple / ld64.git / blobdiff