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; EXLD Library
; Note: The license below is based on the template at:
; http://opensource.org/licenses/BSD-3-Clause
; Copyright (C) 2015, Regents of the University of Texas
; All rights reserved.
; Redistribution and use in source and binary forms, with or without
; modification, are permitted provided that the following conditions are
; met:
; o Redistributions of source code must retain the above copyright
; notice, this list of conditions and the following disclaimer.
; o 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.
; o Neither the name of the copyright holders nor the names of its
; contributors may be used to endorse or promote products derived
; from this software without specific prior written permission.
; 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
; HOLDER 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.
; Original Author(s):
; Warren A. Hunt, Jr. <hunt@cs.utexas.edu>
; Shilpi Goel <shigoel@cs.utexas.edu>
; [Shilpi Goel] This book used to live in
; projects/x86isa/tools/execution/exec-loaders, but now it's
; in a stand-alone library of its own.
;; Constants from MACOS 10.8.5 file: "/usr/include/mach-o/loader.h"
;; ==================================================================-
(in-package "EXLD")
(include-book "base")
(local (xdoc::set-default-parents mach-o-reader))
;; ======================================================================
;; #define _MACHO_LOADER_H_
(defconst *MH_MAGIC* #xfeedface) ;; /* the mach magic number */
(defconst *MH_CIGAM* #xcefaedfe) ;; /* NXSwapInt(MH_MAGIC) */
(defconst *MH_MAGIC_64* #xfeedfacf) ;; /* the 64-bit mach magic number */
(defconst *MH_CIGAM_64* #xcffaedfe) ;; /* NXSwapInt(MH_MAGIC_64) */
(defconst *MH_OBJECT* #x1) ;; /* relocatable object file */
(defconst *MH_EXECUTE* #x2) ;; /* demand paged executable file */
(defconst *MH_FVMLIB* #x3) ;; /* fixed VM shared library file */
(defconst *MH_CORE* #x4) ;; /* core file */
(defconst *MH_PRELOAD* #x5) ;; /* preloaded executable file */
(defconst *MH_DYLIB* #x6) ;; /* dynamically bound shared library */
(defconst *MH_DYLINKER* #x7) ;; /* dynamic link editor */
(defconst *MH_BUNDLE* #x8) ;; /* dynamically bound bundle file */
(defconst *MH_DYLIB_STUB* #x9) ;; /* shared library stub for static */
(defconst *MH_DSYM* #xa) ;; /* companion file with only debug */
(defconst *MH_KEXT_BUNDLE* #xb) ;; /* x86_64 kexts */
(defconst *MH_NOUNDEFS* #x1) ;; /* the object file has no undefined */
(defconst *MH_INCRLINK* #x2) ;; /* the object file is the output of an */
(defconst *MH_DYLDLINK* #x4) ;; /* the object file is input for the */
(defconst *MH_BINDATLOAD* #x8) ;; /* the object file's undefined */
(defconst *MH_PREBOUND* #x10) ;; /* the file has its dynamic undefined */
(defconst *MH_SPLIT_SEGS* #x20) ;; /* the file has its read-only and */
(defconst *MH_LAZY_INIT* #x40) ;; /* the shared library init routine is */
(defconst *MH_TWOLEVEL* #x80) ;; /* the image is using two-level name */
(defconst *MH_FORCE_FLAT* #x100) ;; /* the executable is forcing all images */
(defconst *MH_NOMULTIDEFS* #x200) ;; /* this umbrella guarantees no multiple */
(defconst *MH_NOFIXPREBINDING* #x400) ;; /* do not have dyld notify the */
(defconst *MH_PREBINDABLE* #x800) ;; /* the binary is not prebound but can */
(defconst *MH_ALLMODSBOUND* #x100) ;; /* indicates that this binary binds to */
(defconst *MH_SUBSECTIONS_VIA_SYMBOLS* #x2000) ;; /* safe to divide up the sections into */
(defconst *MH_CANONICAL* #x4000) ;; /* the binary has been canonicalized */
(defconst *MH_WEAK_DEFINES* #x8000) ;; /* the final linked image contains */
(defconst *MH_BINDS_TO_WEAK* #x10000) ;; /* the final linked image uses */
(defconst *MH_ALLOW_STACK_EXECUTION* #x20000) ;; /* When this bit is set, all stacks */
(defconst *MH_ROOT_SAFE* #x40000) ;; /* When this bit is set, the binary */
(defconst *MH_SETUID_SAFE* #x80000) ;; /* When this bit is set, the binary */
(defconst *MH_NO_REEXPORTED_DYLIBS* #x100000) ;; /* When this bit is set on a dylib, */
(defconst *MH_PIE* #x200000) ;; /* When this bit is set, the OS will */
(defconst *MH_DEAD_STRIPPABLE_DYLIB* #x400000) ;; /* Only for use on dylibs. When */
(defconst *MH_HAS_TLV_DESCRIPTORS* #x800000) ;; /* Contains a section of type */
(defconst *MH_NO_HEAP_EXECUTION* #x1000000) ;; /* When this bit is set, the OS will */
(defconst *LC_REQ_DYLD* #x80000000) ;;
(defconst *LC_SEGMENT* #x1) ;; /* segment of this file to be mapped */
(defconst *LC_SYMTAB* #x2) ;; /* link-edit stab symbol table info */
(defconst *LC_SYMSEG* #x3) ;; /* link-edit gdb symbol table info (obsolete) */
(defconst *LC_THREAD* #x4) ;; /* thread */
(defconst *LC_UNIXTHREAD* #x5) ;; /* unix thread (includes a stack) */
(defconst *LC_LOADFVMLIB* #x6) ;; /* load a specified fixed VM shared library */
(defconst *LC_IDFVMLIB* #x7) ;; /* fixed VM shared library identification */
(defconst *LC_IDENT* #x8) ;; /* object identification info (obsolete) */
(defconst *LC_FVMFILE* #x9) ;; /* fixed VM file inclusion (internal use) */
(defconst *LC_PREPAGE* #xa) ;; /* prepage command (internal use) */
(defconst *LC_DYSYMTAB* #xb) ;; /* dynamic link-edit symbol table info */
(defconst *LC_LOAD_DYLIB* #xc) ;; /* load a dynamically linked shared library */
(defconst *LC_ID_DYLIB* #xd) ;; /* dynamically linked shared lib ident */
(defconst *LC_LOAD_DYLINKER* #xe) ;; /* load a dynamic linker */
(defconst *LC_ID_DYLINKER* #xf) ;; /* dynamic linker identification */
(defconst *LC_PREBOUND_DYLIB* #x10) ;; /* modules prebound for a dynamically */
(defconst *LC_ROUTINES* #x11) ;; /* image routines */
(defconst *LC_SUB_FRAMEWORK* #x12) ;; /* sub framework */
(defconst *LC_SUB_UMBRELLA* #x13) ;; /* sub umbrella */
(defconst *LC_SUB_CLIENT* #x14) ;; /* sub client */
(defconst *LC_SUB_LIBRARY* #x15) ;; /* sub library */
(defconst *LC_TWOLEVEL_HINTS* #x16) ;; /* two-level namespace lookup hints */
(defconst *LC_PREBIND_CKSUM* #x17) ;; /* prebind checksum */
(defconst *LC_LOAD_WEAK_DYLIB* (logior #x18 *LC_REQ_DYLD*))
(defconst *LC_SEGMENT_64* #x19) ;; /* 64-bit segment of this file to be */
(defconst *LC_ROUTINES_64* #x1a) ;; /* 64-bit image routines */
(defconst *LC_UUID* #x1b) ;; /* the uuid */
(defconst *LC_RPATH* (logior #x1c *LC_REQ_DYLD*)) ;; /* runpath additions */
(defconst *LC_CODE_SIGNATURE* #x1d) ;; /* local of code signature */
(defconst *LC_SEGMENT_SPLIT_INFO* #x1e) ;; /* local of info to split segments */
(defconst *LC_REEXPORT_DYLIB* (logior #x1f *LC_REQ_DYLD*)) ;; /* load and re-export dylib */
(defconst *LC_LAZY_LOAD_DYLIB* #x20) ;; /* delay load of dylib until first use */
(defconst *LC_ENCRYPTION_INFO* #x21) ;; /* encrypted segment information */
(defconst *LC_DYLD_INFO* #x22) ;; /* compressed dyld information */
(defconst *LC_DYLD_INFO_ONLY* (logior #x22 *LC_REQ_DYLD*)) ;; /* compressed dyld information only */
(defconst *LC_LOAD_UPWARD_DYLIB* (logior #x23 *LC_REQ_DYLD*)) ;; /* load upward dylib */
(defconst *LC_VERSION_MIN_MACOSX* #x24) ;; /* build for MacOSX min OS version */
(defconst *LC_VERSION_MIN_IPHONEOS* #x25) ;; /* build for iPhoneOS min OS version */
(defconst *LC_FUNCTION_STARTS* #x26) ;; /* compressed table of function start addresses */
(defconst *LC_DYLD_ENVIRONMENT* #x27) ;; /* string for dyld to treat */
(defconst *LC_MAIN* (logior #x28 *LC_REQ_DYLD*)) ;; /* replacement for LC_UNIXTHREAD */
(defconst *LC_DATA_IN_CODE* #x29) ;; /* table of non-instructions in __text */
(defconst *LC_SOURCE_VERSION* #x2A) ;; /* source version used to build binary */
(defconst *LC_DYLIB_CODE_SIGN_DRS* #x2B) ;; /* Code signing DRs copied from linked dylibs */
(defconst *SG_HIGHVM* #x1) ;; /* the file contents for this segment is for */
(defconst *SG_FVMLIB* #x2) ;; /* this segment is the VM that is allocated by */
(defconst *SG_NORELOC* #x4) ;; /* this segment has nothing that was relocated */
(defconst *SG_PROTECTED_VERSION_1* #x8) ;; /* This segment is protected. If the */
(defconst *SECTION_TYPE* #x000000ff) ;; /* 256 section types */
(defconst *SECTION_ATTRIBUTES* #xffffff00) ;; /* 24 section attributes */
(defconst *S_REGULAR* #x0) ;; /* regular section */
(defconst *S_ZEROFILL* #x1) ;; /* zero fill on demand section */
(defconst *S_CSTRING_LITERALS* #x2) ;; /* section with only literal C strings*/
(defconst *S_4BYTE_LITERALS* #x3) ;; /* section with only 4 byte literals */
(defconst *S_8BYTE_LITERALS* #x4) ;; /* section with only 8 byte literals */
(defconst *S_LITERAL_POINTERS* #x5) ;; /* section with only pointers to */
(defconst *S_NON_LAZY_SYMBOL_POINTERS* #x6) ;; /* section with only non-lazy */
(defconst *S_LAZY_SYMBOL_POINTERS* #x7) ;; /* section with only lazy symbol */
(defconst *S_SYMBOL_STUBS* #x8) ;; /* section with only symbol */
(defconst *S_MOD_INIT_FUNC_POINTERS* #x9) ;; /* section with only function */
(defconst *S_MOD_TERM_FUNC_POINTERS* #xa) ;; /* section with only function */
(defconst *S_COALESCED* #xb) ;; /* section contains symbols that */
(defconst *S_GB_ZEROFILL* #xc) ;; /* zero fill on demand section */
(defconst *S_INTERPOSING* #xd) ;; /* section with only pairs of */
(defconst *S_16BYTE_LITERALS* #xe) ;; /* section with only 16 byte */
(defconst *S_DTRACE_DOF* #xf) ;; /* section contains */
(defconst *S_LAZY_DYLIB_SYMBOL_POINTER* #x10) ;; /* section with only lazy */
(defconst *S_THREAD_LOCAL_REGULAR* #x11) ;; /* template of initial */
(defconst *S_THREAD_LOCAL_ZEROFILL* #x12) ;; /* template of initial */
(defconst *S_THREAD_LOCAL_VARIABLES* #x13) ;; /* TLV descriptors */
(defconst *S_THREAD_LOCAL_VARIABLE_POINTERS* #x14) ;; /* pointers to TLV */
(defconst *S_THREAD_LOCAL_INIT_FUNCTION_POINTERS* #x15) ;; /* functions to call */
(defconst *SECTION_ATTRIBUTES_USR* #xff000000) ;; /* User setable attributes */
(defconst *S_ATTR_PURE_INSTRUCTIONS* #x80000000) ;; /* section contains only true */
(defconst *S_ATTR_NO_TOC* #x40000000) ;; /* section contains coalesced */
(defconst *S_ATTR_STRIP_STATIC_SYMS* #x20000000) ;; /* ok to strip static symbols */
(defconst *S_ATTR_NO_DEAD_STRIP* #x10000000) ;; /* no dead stripping */
(defconst *S_ATTR_LIVE_SUPPORT* #x08000000) ;; /* blocks are live if they */
(defconst *S_ATTR_SELF_MODIFYING_CODE* #x04000000) ;; /* Used with i386 code stubs */
(defconst *S_ATTR_DEBUG* #x02000000) ;; /* a debug section */
(defconst *SECTION_ATTRIBUTES_SYS* #x00ffff00) ;; /* system setable attributes */
(defconst *S_ATTR_SOME_INSTRUCTIONS* #x00000400) ;; /* section contains some */
(defconst *S_ATTR_EXT_RELOC* #x00000200) ;; /* section has external */
(defconst *S_ATTR_LOC_RELOC* #x00000100) ;; /* section has local */
(defconst *SEG_PAGEZERO* "__PAGEZERO") ;; /* the pagezero segment which has no */
(defconst *SEG_TEXT* "__TEXT") ;; /* the tradition UNIX text segment */
(defconst *SECT_TEXT* "__text") ;; /* the real text part of the text */
(defconst *SECT_FVMLIB_INIT0* "__fvmlib_init0") ;; /* the fvmlib initialization */
(defconst *SECT_FVMLIB_INIT1* "__fvmlib_init1") ;; /* the section following the */
(defconst *SEG_DATA* "__DATA") ;; /* the tradition UNIX data segment */
(defconst *SECT_DATA* "__data") ;; /* the real initialized data section */
(defconst *SECT_BSS* "__bss") ;; /* the real uninitialized data section*/
(defconst *SECT_COMMON* "__common") ;; /* the section common symbols are */
(defconst *SEG_OBJC* "__OBJC") ;; /* objective-C runtime segment */
(defconst *SECT_OBJC_SYMBOLS* "__symbol_table") ;; /* symbol table */
(defconst *SECT_OBJC_MODULES* "__module_info") ;; /* module information */
(defconst *SECT_OBJC_STRINGS* "__selector_strs") ;; /* string table */
(defconst *SECT_OBJC_REFS* "__selector_refs") ;; /* string table */
(defconst *SEG_ICON* "__ICON") ;; /* the icon segment */
(defconst *SECT_ICON_HEADER* "__header") ;; /* the icon headers */
(defconst *SECT_ICON_TIFF* "__tiff") ;; /* the icons in tiff format */
(defconst *SEG_LINKEDIT* "__LINKEDIT") ;; /* the segment containing all structs */
(defconst *SEG_UNIXSTACK* "__UNIXSTACK") ;; /* the unix stack segment */
(defconst *SEG_IMPORT* "__IMPORT") ;; /* the segment for the self (dyld) */
(defconst *INDIRECT_SYMBOL_LOCAL* #x80000000)
(defconst *INDIRECT_SYMBOL_ABS* #x40000000)
(defconst *REBASE_TYPE_POINTER* 1)
(defconst *REBASE_TYPE_TEXT_ABSOLUTE32* 2)
(defconst *REBASE_TYPE_TEXT_PCREL32* 3)
(defconst *REBASE_OPCODE_MASK* #xF0)
(defconst *REBASE_IMMEDIATE_MASK* #x0F)
(defconst *REBASE_OPCODE_DONE* #x00)
(defconst *REBASE_OPCODE_SET_TYPE_IMM* #x10)
(defconst *REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB* #x20)
(defconst *REBASE_OPCODE_ADD_ADDR_ULEB* #x30)
(defconst *REBASE_OPCODE_ADD_ADDR_IMM_SCALED* #x40)
(defconst *REBASE_OPCODE_DO_REBASE_IMM_TIMES* #x50)
(defconst *REBASE_OPCODE_DO_REBASE_ULEB_TIMES* #x60)
(defconst *REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB* #x70)
(defconst *REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB* #x80)
(defconst *BIND_TYPE_POINTER* 1)
(defconst *BIND_TYPE_TEXT_ABSOLUTE32* 2)
(defconst *BIND_TYPE_TEXT_PCREL32* 3)
(defconst *BIND_SPECIAL_DYLIB_SELF* 0)
(defconst *BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE* -1)
(defconst *BIND_SPECIAL_DYLIB_FLAT_LOOKUP* -2)
(defconst *BIND_SYMBOL_FLAGS_WEAK_IMPORT* #x1)
(defconst *BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION* #x8)
(defconst *BIND_OPCODE_MASK* #xF0)
(defconst *BIND_IMMEDIATE_MASK* #x0F)
(defconst *BIND_OPCODE_DONE* #x00)
(defconst *BIND_OPCODE_SET_DYLIB_ORDINAL_IMM* #x10)
(defconst *BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB* #x20)
(defconst *BIND_OPCODE_SET_DYLIB_SPECIAL_IMM* #x30)
(defconst *BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM* #x40)
(defconst *BIND_OPCODE_SET_TYPE_IMM* #x50)
(defconst *BIND_OPCODE_SET_ADDEND_SLEB* #x60)
(defconst *BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB* #x70)
(defconst *BIND_OPCODE_ADD_ADDR_ULEB* #x80)
(defconst *BIND_OPCODE_DO_BIND* #x90)
(defconst *BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB* #xA0)
(defconst *BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED* #xB0)
(defconst *BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB* #xC0)
(defconst *EXPORT_SYMBOL_FLAGS_KIND_MASK* #x03)
(defconst *EXPORT_SYMBOL_FLAGS_KIND_REGULAR* #x00)
(defconst *EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL* #x01)
(defconst *EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION* #x04)
(defconst *EXPORT_SYMBOL_FLAGS_REEXPORT* #x08)
(defconst *EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER* #x10)
(defconst *DICE_KIND_DATA* #x0001) ;; /* L$start$data$... label */
(defconst *DICE_KIND_JUMP_TABLE8* #x0002) ;; /* L$start$jt8$... label */
(defconst *DICE_KIND_JUMP_TABLE16* #x0003) ;; /* L$start$jt16$... label */
(defconst *DICE_KIND_JUMP_TABLE32* #x0004) ;; /* L$start$jt32$... label */
(defconst *DICE_KIND_ABS_JUMP_TABLE32* #x0005) ;; /* L$start$jta32$... label */
;; ======================================================================
;; Some more constants (not from "/usr/include/mach-o/loader.h"):
(defconst *MACH-O-TEXT*
(merge-bytes (string->bytes "__TEXT")))
(defconst *TEXT-text*
(merge-bytes (string->bytes "__text")))
(defconst *TEXT-cstring*
(merge-bytes (string->bytes "__cstring")))
(defconst *TEXT-const*
(merge-bytes (string->bytes "__const")))
(defconst *MACH-O-DATA*
(merge-bytes (string->bytes "__DATA")))
(defconst *DATA-data*
(merge-bytes (string->bytes "__data")))
(defconst *DATA-dyld*
(merge-bytes (string->bytes "__dyld")))
(defconst *DATA-const*
(merge-bytes (string->bytes "__const")))
(defconst *DATA-bss*
(merge-bytes (string->bytes "__bss")))
(defconst *DATA-common*
(merge-bytes (string->bytes "__common")))
;; ======================================================================
|
