/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
*
- * Copyright (c) 2005-2008 Apple Inc. All rights reserved.
+ * Copyright (c) 2005-2010 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
#include <mach-o/fat.h>
#include <mach-o/stab.h>
#include <mach-o/reloc.h>
-#include <mach-o/ppc/reloc.h>
#include <mach-o/x86_64/reloc.h>
-#include <mach-o/arm/reloc.h>
#include <mach-o/compact_unwind_encoding.h>
#include <mach/machine.h>
+#include <stddef.h>
#include "FileAbstraction.hpp"
+#include "configure.h"
// stuff that will eventually go away once newer cctools headers are widespread
+#ifndef LC_LOAD_UPWARD_DYLIB
+ #define LC_LOAD_UPWARD_DYLIB (0x23|LC_REQ_DYLD) /* load of dylib whose initializers run later */
+#endif
+
#ifndef CPU_SUBTYPE_ARM_V5TEJ
#define CPU_SUBTYPE_ARM_V5TEJ ((cpu_subtype_t) 7)
#endif
#ifndef CPU_SUBTYPE_ARM_V7
#define CPU_SUBTYPE_ARM_V7 ((cpu_subtype_t) 9)
#endif
-#ifndef ARM_THUMB_32BIT_BRANCH
- #define ARM_THUMB_32BIT_BRANCH 7
-#endif
+
#ifndef N_ARM_THUMB_DEF
#define N_ARM_THUMB_DEF 0x0008
#endif
#endif
+#ifndef S_THREAD_LOCAL_REGULAR
+ #define S_THREAD_LOCAL_REGULAR 0x11
+#endif
+
+#ifndef S_THREAD_LOCAL_ZEROFILL
+ #define S_THREAD_LOCAL_ZEROFILL 0x12
+#endif
+
+#ifndef S_THREAD_LOCAL_VARIABLES
+ #define S_THREAD_LOCAL_VARIABLES 0x13
+#endif
+
+#ifndef S_THREAD_LOCAL_VARIABLE_POINTERS
+ #define S_THREAD_LOCAL_VARIABLE_POINTERS 0x14
+#endif
+
+#ifndef S_THREAD_LOCAL_INIT_FUNCTION_POINTERS
+ #define S_THREAD_LOCAL_INIT_FUNCTION_POINTERS 0x15
+#endif
+
+#ifndef MH_HAS_TLV_DESCRIPTORS
+ #define MH_HAS_TLV_DESCRIPTORS 0x800000
+#endif
+
+#ifndef X86_64_RELOC_TLV
+ #define X86_64_RELOC_TLV 9
+#endif
+
+#define GENERIC_RLEOC_TLV 5
+
+#ifndef EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER
+ #define EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER 0x10
+#endif
+
+#ifndef EXPORT_SYMBOL_FLAGS_REEXPORT
+ #define EXPORT_SYMBOL_FLAGS_REEXPORT 0x08
+#endif
+
+// type internal to linker
+#define BIND_TYPE_OVERRIDE_OF_WEAKDEF_IN_DYLIB 0
+
+#ifndef LC_VERSION_MIN_MACOSX
+ #define LC_VERSION_MIN_MACOSX 0x24
+ #define LC_VERSION_MIN_IPHONEOS 0x25
+
+ struct version_min_command {
+ uint32_t cmd; /* LC_VERSION_MIN_MACOSX or LC_VERSION_MIN_IPHONEOS */
+ uint32_t cmdsize; /* sizeof(struct min_version_command) */
+ uint32_t version; /* X.Y.Z is encoded in nibbles xxxx.yy.zz */
+ uint32_t reserved; /* zero */
+ };
+#endif
+
+#ifndef N_SYMBOL_RESOLVER
+ #define N_SYMBOL_RESOLVER 0x100
+#endif
+
+#ifndef LC_FUNCTION_STARTS
+ #define LC_FUNCTION_STARTS 0x26
+#endif
+
+#ifndef MH_NO_HEAP_EXECUTION
+ #define MH_NO_HEAP_EXECUTION 0x1000000
+#endif
+
+#ifndef LC_DYLD_ENVIRONMENT
+ #define LC_DYLD_ENVIRONMENT 0x27
+#endif
+
+#ifndef LC_DATA_IN_CODE
+ #define LC_DATA_IN_CODE 0x29 /* table of non-instructions in __text */
+ struct data_in_code_entry {
+ uint32_t offset;
+ uint16_t length;
+ uint16_t kind;
+ };
+#endif
+
+#ifndef LC_DYLIB_CODE_SIGN_DRS
+ #define LC_DYLIB_CODE_SIGN_DRS 0x2B
+#endif
+
+#ifndef CPU_SUBTYPE_ARM_V7F
+ #define CPU_SUBTYPE_ARM_V7F ((cpu_subtype_t) 10)
+#endif
+#ifndef CPU_SUBTYPE_ARM_V7K
+ #define CPU_SUBTYPE_ARM_V7K ((cpu_subtype_t) 12)
+#endif
+#ifndef CPU_SUBTYPE_ARM_V7S
+ #define CPU_SUBTYPE_ARM_V7S ((cpu_subtype_t) 11)
+#endif
+
+
+#ifndef LC_SOURCE_VERSION
+ #define LC_SOURCE_VERSION 0x2A
+ struct source_version_command {
+ uint32_t cmd; /* LC_SOURCE_VERSION */
+ uint32_t cmdsize; /* 16 */
+ uint64_t version; /* A.B.C.D.E packed as a24.b10.c10.d10.e10 */
+ };
+#endif
+
+#ifndef LC_MAIN
+ #define LC_MAIN (0x28|LC_REQ_DYLD) /* replacement for LC_UNIXTHREAD */
+ struct entry_point_command {
+ uint32_t cmd; /* LC_MAIN only used in MH_EXECUTE filetypes */
+ uint32_t cmdsize; /* 24 */
+ uint64_t entryoff; /* file (__TEXT) offset of main() */
+ uint64_t stacksize;/* if not zero, initial stack size */
+ };
+#endif
+
+#ifndef LC_DYLIB_CODE_SIGN_DRS
+ #define LC_DYLIB_CODE_SIGN_DRS 0x2B
+#endif
+
+
+struct ArchInfo {
+ const char* archName;
+ cpu_type_t cpuType;
+ cpu_subtype_t cpuSubType;
+ const char* llvmTriplePrefix;
+ const char* llvmTriplePrefixAlt;
+ bool isSubType;
+ bool supportsThumb2;
+};
+
+static const ArchInfo archInfoArray[] = {
+#if SUPPORT_ARCH_x86_64
+ { "x86_64", CPU_TYPE_X86_64, CPU_SUBTYPE_X86_64_ALL, "x86_64-", "", false, false },
+#endif
+#if SUPPORT_ARCH_i386
+ { "i386", CPU_TYPE_I386, CPU_SUBTYPE_I386_ALL, "i386-", "", false, false },
+#endif
+#if SUPPORT_ARCH_armv4t
+ { "armv4t", CPU_TYPE_ARM, CPU_SUBTYPE_ARM_V4T, "armv4t-", "", true, false },
+ #define SUPPORT_ARCH_arm_any 1
+#endif
+#if SUPPORT_ARCH_armv5
+ { "armv5", CPU_TYPE_ARM, CPU_SUBTYPE_ARM_V5TEJ, "armv5e-", "", true, false },
+ #define SUPPORT_ARCH_arm_any 1
+#endif
+#if SUPPORT_ARCH_armv6
+ { "armv6", CPU_TYPE_ARM, CPU_SUBTYPE_ARM_V6, "armv6-", "", true, false },
+ #define SUPPORT_ARCH_arm_any 1
+#endif
+#if SUPPORT_ARCH_armv7
+ { "armv7", CPU_TYPE_ARM, CPU_SUBTYPE_ARM_V7, "thumbv7-", "armv7-", true, true },
+ #define SUPPORT_ARCH_arm_any 1
+#endif
+#if SUPPORT_ARCH_armv7f
+ { "armv7f", CPU_TYPE_ARM, CPU_SUBTYPE_ARM_V7F, "thumbv7f-", "", true, true },
+ #define SUPPORT_ARCH_arm_any 1
+#endif
+#if SUPPORT_ARCH_armv7k
+ { "armv7k", CPU_TYPE_ARM, CPU_SUBTYPE_ARM_V7K, "thumbv7k-", "", true, true },
+ #define SUPPORT_ARCH_arm_any 1
+#endif
+#if SUPPORT_ARCH_armv7s
+ { "armv7s", CPU_TYPE_ARM, CPU_SUBTYPE_ARM_V7S, "thumbv7s-", "armv7s", true, true },
+ #define SUPPORT_ARCH_arm_any 1
+#endif
+ { NULL, 0, 0, NULL, NULL, false, false }
+};
+
+
+// weird, but this include must wait until after SUPPORT_ARCH_arm_any is set up
+#if SUPPORT_ARCH_arm_any
+#include <mach-o/arm/reloc.h>
+#endif
+
+// hack until newer <mach-o/arm/reloc.h> everywhere
+#define ARM_RELOC_HALF 8
+#define ARM_RELOC_HALF_SECTDIFF 9
+
+
//
// This abstraction layer makes every mach-o file look like a 64-bit mach-o file with native endianness
void set_cmdsize(uint32_t value) INLINE { E::set32(fields.cmdsize, value); }
const uint8_t* uuid() const INLINE { return fields.uuid; }
- void set_uuid(uint8_t u[16]) INLINE { memcpy(&fields.uuid, u, 16); }
+ void set_uuid(const uint8_t u[16]) INLINE { memcpy(&fields.uuid, u, 16); }
typedef typename P::E E;
private:
};
+//
+// mach-o version load command
+//
+template <typename P>
+class macho_version_min_command {
+public:
+ uint32_t cmd() const INLINE { return E::get32(fields.cmd); }
+ void set_cmd(uint32_t value) INLINE { E::set32(fields.cmd, value); }
+
+ uint32_t cmdsize() const INLINE { return E::get32(fields.cmdsize); }
+ void set_cmdsize(uint32_t value) INLINE { E::set32(fields.cmdsize, value); }
+
+ uint32_t version() const INLINE { return fields.version; }
+ void set_version(uint32_t value) INLINE { E::set32(fields.version, value); }
+
+#ifdef DICE_KIND_DATA
+ uint32_t sdk() const INLINE { return fields.sdk; }
+ void set_sdk(uint32_t value) INLINE { E::set32(fields.sdk, value); }
+#else
+ uint32_t sdk() const INLINE { return fields.reserved; }
+ void set_sdk(uint32_t value) INLINE { E::set32(fields.reserved, value); }
+#endif
+
+ typedef typename P::E E;
+private:
+ version_min_command fields;
+};
+
+
+//
+// mach-o __LD, __compact_unwind section in object files
+//
+template <typename P>
+class macho_compact_unwind_entry {
+public:
+ typedef typename P::E E;
+ typedef typename P::uint_t pint_t;
+
+ pint_t codeStart() const INLINE { return P::getP(_codeStart); }
+ void set_codeStart(pint_t value) INLINE { P::setP(_codeStart, value); }
+
+ uint32_t codeLen() const INLINE { return E::get32(_codeLen); }
+ void set_codeLen(uint32_t value) INLINE { E::set32(_codeLen, value); }
+
+ uint32_t compactUnwindInfo() const INLINE { return E::get32(_compactUnwindInfo); }
+ void set_compactUnwindInfo(uint32_t value) INLINE { E::set32(_compactUnwindInfo, value); }
+
+ pint_t personality() const INLINE { return P::getP(_personality); }
+ void set_personality(pint_t value) INLINE { P::setP(_personality, value); }
+
+ pint_t lsda() const INLINE { return P::getP(_lsda); }
+ void set_lsda(pint_t value) INLINE { P::setP(_lsda, value); }
+
+ static uint32_t codeStartFieldOffset() INLINE { return offsetof(macho_compact_unwind_entry<P>,_codeStart); }
+ static uint32_t personalityFieldOffset() INLINE { return offsetof(macho_compact_unwind_entry<P>,_personality); }
+ static uint32_t lsdaFieldOffset() INLINE { return offsetof(macho_compact_unwind_entry<P>,_lsda); }
+
+private:
+ pint_t _codeStart;
+ uint32_t _codeLen;
+ uint32_t _compactUnwindInfo;
+ pint_t _personality;
+ pint_t _lsda;
+};
+
+
+//
+// mach-o source version load command
+//
+template <typename P>
+class macho_source_version_command {
+public:
+ uint32_t cmd() const INLINE { return E::get32(fields.cmd); }
+ void set_cmd(uint32_t value) INLINE { E::set32(fields.cmd, value); }
+
+ uint32_t cmdsize() const INLINE { return E::get32(fields.cmdsize); }
+ void set_cmdsize(uint32_t value) INLINE { E::set32(fields.cmdsize, value); }
+
+ uint64_t version() const INLINE { return fields.version; }
+ void set_version(uint64_t value) INLINE { E::set64(fields.version, value); }
+
+ typedef typename P::E E;
+private:
+ source_version_command fields;
+};
+
+
+//
+// mach-o source version load command
+//
+template <typename P>
+class macho_entry_point_command {
+public:
+ uint32_t cmd() const INLINE { return E::get32(fields.cmd); }
+ void set_cmd(uint32_t value) INLINE { E::set32(fields.cmd, value); }
+
+ uint32_t cmdsize() const INLINE { return E::get32(fields.cmdsize); }
+ void set_cmdsize(uint32_t value) INLINE { E::set32(fields.cmdsize, value); }
+
+ uint64_t entryoff() const INLINE { return fields.entryoff; }
+ void set_entryoff(uint64_t value) INLINE { E::set64(fields.entryoff, value); }
+
+ uint64_t stacksize() const INLINE { return fields.stacksize; }
+ void set_stacksize(uint64_t value) INLINE { E::set64(fields.stacksize, value); }
+
+ typedef typename P::E E;
+private:
+ entry_point_command fields;
+};
+
+
+
+template <typename P>
+class macho_data_in_code_entry {
+public:
+ uint32_t offset() const INLINE { return E::get32(fields.offset); }
+ void set_offset(uint32_t value) INLINE { E::set32(fields.offset, value); }
+
+ uint16_t length() const INLINE { return E::get16(fields.length); }
+ void set_length(uint16_t value) INLINE { E::set16((uint16_t&)fields.length, value); }
+
+ uint16_t kind() const INLINE { return E::get16(fields.kind); }
+ void set_kind(uint16_t value) INLINE { E::set16((uint16_t&)fields.kind, value); }
+
+ typedef typename P::E E;
+private:
+ data_in_code_entry fields;
+};
+
#endif // __MACH_O_FILE_ABSTRACTION__
projects / apple / ld64.git / blobdiff