From: Russ Cox Date: Mon, 31 Aug 2009 23:08:12 +0000 (-0700) Subject: translate C ld/elf.h into Go X-Git-Tag: weekly.2009-11-06~700 X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=819543986d7673b0c21cdc467be8c4ddf266fb57;p=gostls13.git translate C ld/elf.h into Go R=austin DELTA=1630 (1630 added, 0 deleted, 0 changed) OCL=34001 CL=34142 --- diff --git a/src/pkg/Make.deps b/src/pkg/Make.deps index b77974f47c..7ce3230a0c 100644 --- a/src/pkg/Make.deps +++ b/src/pkg/Make.deps @@ -16,6 +16,7 @@ crypto/hmac.install: crypto/md5.install crypto/sha1.install hash.install os.inst crypto/md5.install: hash.install os.install crypto/sha1.install: hash.install os.install datafmt.install: bytes.install container/vector.install fmt.install go/scanner.install go/token.install io.install os.install reflect.install runtime.install strconv.install strings.install +debug/elf.install: fmt.install io.install os.install strconv.install ebnf.install: container/vector.install fmt.install go/scanner.install go/token.install os.install strconv.install strings.install unicode.install utf8.install exec.install: os.install strings.install exvar.install: bytes.install fmt.install http.install io.install log.install strconv.install sync.install diff --git a/src/pkg/Makefile b/src/pkg/Makefile index 8f5bee31bd..c469d5203d 100644 --- a/src/pkg/Makefile +++ b/src/pkg/Makefile @@ -30,6 +30,7 @@ DIRS=\ crypto/md5\ crypto/sha1\ datafmt\ + debug/elf\ ebnf\ exec\ exvar\ diff --git a/src/pkg/debug/elf/Makefile b/src/pkg/debug/elf/Makefile new file mode 100644 index 0000000000..ee3ca46d6a --- /dev/null +++ b/src/pkg/debug/elf/Makefile @@ -0,0 +1,12 @@ +# Copyright 2009 The Go Authors. All rights reserved. +# Use of this source code is governed by a BSD-style +# license that can be found in the LICENSE file. + +include $(GOROOT)/src/Make.$(GOARCH) + +TARG=debug/elf +GOFILES=\ + elf.go\ + file.go\ + +include $(GOROOT)/src/Make.pkg diff --git a/src/pkg/debug/elf/elf.go b/src/pkg/debug/elf/elf.go new file mode 100644 index 0000000000..e2adf6bbe2 --- /dev/null +++ b/src/pkg/debug/elf/elf.go @@ -0,0 +1,1571 @@ +/* + * ELF constants and data structures + * + * Derived from: + * $FreeBSD: src/sys/sys/elf32.h,v 1.8.14.1 2005/12/30 22:13:58 marcel Exp $ + * $FreeBSD: src/sys/sys/elf64.h,v 1.10.14.1 2005/12/30 22:13:58 marcel Exp $ + * $FreeBSD: src/sys/sys/elf_common.h,v 1.15.8.1 2005/12/30 22:13:58 marcel Exp $ + * $FreeBSD: src/sys/alpha/include/elf.h,v 1.14 2003/09/25 01:10:22 peter Exp $ + * $FreeBSD: src/sys/amd64/include/elf.h,v 1.18 2004/08/03 08:21:48 dfr Exp $ + * $FreeBSD: src/sys/arm/include/elf.h,v 1.5.2.1 2006/06/30 21:42:52 cognet Exp $ + * $FreeBSD: src/sys/i386/include/elf.h,v 1.16 2004/08/02 19:12:17 dfr Exp $ + * $FreeBSD: src/sys/powerpc/include/elf.h,v 1.7 2004/11/02 09:47:01 ssouhlal Exp $ + * $FreeBSD: src/sys/sparc64/include/elf.h,v 1.12 2003/09/25 01:10:26 peter Exp $ + * + * Copyright (c) 1996-1998 John D. Polstra. All rights reserved. + * Copyright (c) 2001 David E. O'Brien + * Portions Copyright 2009 The Go Authors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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 AUTHOR 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 AUTHOR 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. + */ + +package elf + +import "strconv" + +/* + * Constants + */ + +// Indexes into the Header.Ident array. +const ( + EI_CLASS = 4; /* Class of machine. */ + EI_DATA = 5; /* Data format. */ + EI_VERSION = 6; /* ELF format version. */ + EI_OSABI = 7; /* Operating system / ABI identification */ + EI_ABIVERSION = 8; /* ABI version */ + EI_PAD = 9; /* Start of padding (per SVR4 ABI). */ + EI_NIDENT = 16; /* Size of e_ident array. */ +) + +// Initial magic number for ELF files. +const ELFMAG = "\177ELF" + +// Version is found in Header.Ident[EI_VERSION] and Header.Version. +type Version byte +const ( + EV_NONE Version = 0; + EV_CURRENT Version = 1; +) +var versionStrings = []intName { + intName{ 0, "EV_NONE" }, + intName{ 1, "EV_CURRENT" }, +} +func (i Version) String() string { + return stringName(uint32(i), versionStrings, false) +} +func (i Version) GoString() string { + return stringName(uint32(i), versionStrings, true) +} + +// Class is found in Header.Ident[EI_CLASS] and Header.Class. +type Class byte +const ( + ELFCLASSNONE Class = 0; /* Unknown class. */ + ELFCLASS32 Class = 1; /* 32-bit architecture. */ + ELFCLASS64 Class = 2; /* 64-bit architecture. */ +) +var classStrings = []intName { + intName{ 0, "ELFCLASSNONE" }, + intName{ 1, "ELFCLASS32" }, + intName{ 2, "ELFCLASS64" }, +} +func (i Class) String() string { + return stringName(uint32(i), classStrings, false) +} +func (i Class) GoString() string { + return stringName(uint32(i), classStrings, true) +} + +// Data is found in Header.Ident[EI_DATA] and Header.Data. +type Data byte +const ( + ELFDATANONE Data = 0; /* Unknown data format. */ + ELFDATA2LSB Data = 1; /* 2's complement little-endian. */ + ELFDATA2MSB Data = 2; /* 2's complement big-endian. */ +) +var dataStrings = []intName { + intName{ 0, "ELFDATANONE" }, + intName{ 1, "ELFDATA2LSB" }, + intName{ 2, "ELFDATA2MSB" }, +} +func (i Data) String() string { + return stringName(uint32(i), dataStrings, false) +} +func (i Data) GoString() string { + return stringName(uint32(i), dataStrings, true) +} + +// OSABI is found in Header.Ident[EI_OSABI] and Header.OSABI. +type OSABI byte +const ( + ELFOSABI_NONE OSABI = 0; /* UNIX System V ABI */ + ELFOSABI_HPUX OSABI = 1; /* HP-UX operating system */ + ELFOSABI_NETBSD OSABI = 2; /* NetBSD */ + ELFOSABI_LINUX OSABI = 3; /* GNU/Linux */ + ELFOSABI_HURD OSABI = 4; /* GNU/Hurd */ + ELFOSABI_86OPEN OSABI = 5; /* 86Open common IA32 ABI */ + ELFOSABI_SOLARIS OSABI = 6; /* Solaris */ + ELFOSABI_AIX OSABI = 7; /* AIX */ + ELFOSABI_IRIX OSABI = 8; /* IRIX */ + ELFOSABI_FREEBSD OSABI = 9; /* FreeBSD */ + ELFOSABI_TRU64 OSABI = 10; /* TRU64 UNIX */ + ELFOSABI_MODESTO OSABI = 11; /* Novell Modesto */ + ELFOSABI_OPENBSD OSABI = 12; /* OpenBSD */ + ELFOSABI_OPENVMS OSABI = 13; /* Open VMS */ + ELFOSABI_NSK OSABI = 14; /* HP Non-Stop Kernel */ + ELFOSABI_ARM OSABI = 97; /* ARM */ + ELFOSABI_STANDALONE OSABI = 255; /* Standalone (embedded) application */ +) +var osabiStrings = []intName { + intName{ 0, "ELFOSABI_NONE" }, + intName{ 1, "ELFOSABI_HPUX" }, + intName{ 2, "ELFOSABI_NETBSD" }, + intName{ 3, "ELFOSABI_LINUX" }, + intName{ 4, "ELFOSABI_HURD" }, + intName{ 5, "ELFOSABI_86OPEN" }, + intName{ 6, "ELFOSABI_SOLARIS" }, + intName{ 7, "ELFOSABI_AIX" }, + intName{ 8, "ELFOSABI_IRIX" }, + intName{ 9, "ELFOSABI_FREEBSD" }, + intName{ 10, "ELFOSABI_TRU64" }, + intName{ 11, "ELFOSABI_MODESTO" }, + intName{ 12, "ELFOSABI_OPENBSD" }, + intName{ 13, "ELFOSABI_OPENVMS" }, + intName{ 14, "ELFOSABI_NSK" }, + intName{ 97, "ELFOSABI_ARM" }, + intName{ 255, "ELFOSABI_STANDALONE" }, +} +func (i OSABI) String() string { + return stringName(uint32(i), osabiStrings, false) +} +func (i OSABI) GoString() string { + return stringName(uint32(i), osabiStrings, true) +} + +// Type is found in Header.Type. +type Type uint16 +const ( + ET_NONE Type = 0; /* Unknown type. */ + ET_REL Type = 1; /* Relocatable. */ + ET_EXEC Type = 2; /* Executable. */ + ET_DYN Type = 3; /* Shared object. */ + ET_CORE Type = 4; /* Core file. */ + ET_LOOS Type = 0xfe00; /* First operating system specific. */ + ET_HIOS Type = 0xfeff; /* Last operating system-specific. */ + ET_LOPROC Type = 0xff00; /* First processor-specific. */ + ET_HIPROC Type = 0xffff; /* Last processor-specific. */ +) +var typeStrings = []intName{ + intName{ 0, "ET_NONE" }, + intName{ 1, "ET_REL" }, + intName{ 2, "ET_EXEC" }, + intName{ 3, "ET_DYN" }, + intName{ 4, "ET_CORE" }, + intName{ 0xfe00, "ET_LOOS" }, + intName{ 0xfeff, "ET_HIOS" }, + intName{ 0xff00, "ET_LOPROC" }, + intName{ 0xffff, "ET_HIPROC" }, +} +func (i Type) String() string { + return stringName(uint32(i), typeStrings, false) +} +func (i Type) GoString() string { + return stringName(uint32(i), typeStrings, true) +} + +// Machine is found in Header.Machine. +type Machine uint16 +const ( + EM_NONE Machine = 0; /* Unknown machine. */ + EM_M32 Machine = 1; /* AT&T WE32100. */ + EM_SPARC Machine = 2; /* Sun SPARC. */ + EM_386 Machine = 3; /* Intel i386. */ + EM_68K Machine = 4; /* Motorola 68000. */ + EM_88K Machine = 5; /* Motorola 88000. */ + EM_860 Machine = 7; /* Intel i860. */ + EM_MIPS Machine = 8; /* MIPS R3000 Big-Endian only. */ + EM_S370 Machine = 9; /* IBM System/370. */ + EM_MIPS_RS3_LE Machine = 10; /* MIPS R3000 Little-Endian. */ + EM_PARISC Machine = 15; /* HP PA-RISC. */ + EM_VPP500 Machine = 17; /* Fujitsu VPP500. */ + EM_SPARC32PLUS Machine = 18; /* SPARC v8plus. */ + EM_960 Machine = 19; /* Intel 80960. */ + EM_PPC Machine = 20; /* PowerPC 32-bit. */ + EM_PPC64 Machine = 21; /* PowerPC 64-bit. */ + EM_S390 Machine = 22; /* IBM System/390. */ + EM_V800 Machine = 36; /* NEC V800. */ + EM_FR20 Machine = 37; /* Fujitsu FR20. */ + EM_RH32 Machine = 38; /* TRW RH-32. */ + EM_RCE Machine = 39; /* Motorola RCE. */ + EM_ARM Machine = 40; /* ARM. */ + EM_SH Machine = 42; /* Hitachi SH. */ + EM_SPARCV9 Machine = 43; /* SPARC v9 64-bit. */ + EM_TRICORE Machine = 44; /* Siemens TriCore embedded processor. */ + EM_ARC Machine = 45; /* Argonaut RISC Core. */ + EM_H8_300 Machine = 46; /* Hitachi H8/300. */ + EM_H8_300H Machine = 47; /* Hitachi H8/300H. */ + EM_H8S Machine = 48; /* Hitachi H8S. */ + EM_H8_500 Machine = 49; /* Hitachi H8/500. */ + EM_IA_64 Machine = 50; /* Intel IA-64 Processor. */ + EM_MIPS_X Machine = 51; /* Stanford MIPS-X. */ + EM_COLDFIRE Machine = 52; /* Motorola ColdFire. */ + EM_68HC12 Machine = 53; /* Motorola M68HC12. */ + EM_MMA Machine = 54; /* Fujitsu MMA. */ + EM_PCP Machine = 55; /* Siemens PCP. */ + EM_NCPU Machine = 56; /* Sony nCPU. */ + EM_NDR1 Machine = 57; /* Denso NDR1 microprocessor. */ + EM_STARCORE Machine = 58; /* Motorola Star*Core processor. */ + EM_ME16 Machine = 59; /* Toyota ME16 processor. */ + EM_ST100 Machine = 60; /* STMicroelectronics ST100 processor. */ + EM_TINYJ Machine = 61; /* Advanced Logic Corp. TinyJ processor. */ + EM_X86_64 Machine = 62; /* Advanced Micro Devices x86-64 */ + + /* Non-standard or deprecated. */ + EM_486 Machine = 6; /* Intel i486. */ + EM_MIPS_RS4_BE Machine = 10; /* MIPS R4000 Big-Endian */ + EM_ALPHA_STD Machine = 41; /* Digital Alpha (standard value). */ + EM_ALPHA Machine = 0x9026; /* Alpha (written in the absence of an ABI) */ +) +var machineStrings = []intName { + intName{ 0, "EM_NONE" }, + intName{ 1, "EM_M32" }, + intName{ 2, "EM_SPARC" }, + intName{ 3, "EM_386" }, + intName{ 4, "EM_68K" }, + intName{ 5, "EM_88K" }, + intName{ 7, "EM_860" }, + intName{ 8, "EM_MIPS" }, + intName{ 9, "EM_S370" }, + intName{ 10, "EM_MIPS_RS3_LE" }, + intName{ 15, "EM_PARISC" }, + intName{ 17, "EM_VPP500" }, + intName{ 18, "EM_SPARC32PLUS" }, + intName{ 19, "EM_960" }, + intName{ 20, "EM_PPC" }, + intName{ 21, "EM_PPC64" }, + intName{ 22, "EM_S390" }, + intName{ 36, "EM_V800" }, + intName{ 37, "EM_FR20" }, + intName{ 38, "EM_RH32" }, + intName{ 39, "EM_RCE" }, + intName{ 40, "EM_ARM" }, + intName{ 42, "EM_SH" }, + intName{ 43, "EM_SPARCV9" }, + intName{ 44, "EM_TRICORE" }, + intName{ 45, "EM_ARC" }, + intName{ 46, "EM_H8_300" }, + intName{ 47, "EM_H8_300H" }, + intName{ 48, "EM_H8S" }, + intName{ 49, "EM_H8_500" }, + intName{ 50, "EM_IA_64" }, + intName{ 51, "EM_MIPS_X" }, + intName{ 52, "EM_COLDFIRE" }, + intName{ 53, "EM_68HC12" }, + intName{ 54, "EM_MMA" }, + intName{ 55, "EM_PCP" }, + intName{ 56, "EM_NCPU" }, + intName{ 57, "EM_NDR1" }, + intName{ 58, "EM_STARCORE" }, + intName{ 59, "EM_ME16" }, + intName{ 60, "EM_ST100" }, + intName{ 61, "EM_TINYJ" }, + intName{ 62, "EM_X86_64" }, + + /* Non-standard or deprecated. */ + intName{ 6, "EM_486" }, + intName{ 10, "EM_MIPS_RS4_BE" }, + intName{ 41, "EM_ALPHA_STD" }, + intName{ 0x9026, "EM_ALPHA" }, +} +func (i Machine) String() string { + return stringName(uint32(i), machineStrings, false) +} +func (i Machine) GoString() string { + return stringName(uint32(i), machineStrings, true) +} + +// Special section indices. +type SectionIndex int +const ( + SHN_UNDEF SectionIndex = 0; /* Undefined, missing, irrelevant. */ + SHN_LORESERVE SectionIndex = 0xff00; /* First of reserved range. */ + SHN_LOPROC SectionIndex = 0xff00; /* First processor-specific. */ + SHN_HIPROC SectionIndex = 0xff1f; /* Last processor-specific. */ + SHN_LOOS SectionIndex = 0xff20; /* First operating system-specific. */ + SHN_HIOS SectionIndex = 0xff3f; /* Last operating system-specific. */ + SHN_ABS SectionIndex = 0xfff1; /* Absolute values. */ + SHN_COMMON SectionIndex = 0xfff2; /* Common data. */ + SHN_XINDEX SectionIndex = 0xffff; /* Escape -- index stored elsewhere. */ + SHN_HIRESERVE SectionIndex = 0xffff; /* Last of reserved range. */ +) +var shnStrings = []intName { + intName{ 0, "SHN_UNDEF" }, + intName{ 0xff00, "SHN_LOPROC" }, + intName{ 0xff20, "SHN_LOOS" }, + intName{ 0xfff1, "SHN_ABS" }, + intName{ 0xfff2, "SHN_COMMON" }, + intName{ 0xffff, "SHN_XINDEX" }, +} +func (i SectionIndex) String() string { + return stringName(uint32(i), shnStrings, false) +} +func (i SectionIndex) GoString() string { + return stringName(uint32(i), shnStrings, true) +} + +// Section type. +type SectionType uint32 +const ( + SHT_NULL SectionType = 0; /* inactive */ + SHT_PROGBITS SectionType = 1; /* program defined information */ + SHT_SYMTAB SectionType = 2; /* symbol table section */ + SHT_STRTAB SectionType = 3; /* string table section */ + SHT_RELA SectionType = 4; /* relocation section with addends */ + SHT_HASH SectionType = 5; /* symbol hash table section */ + SHT_DYNAMIC SectionType = 6; /* dynamic section */ + SHT_NOTE SectionType = 7; /* note section */ + SHT_NOBITS SectionType = 8; /* no space section */ + SHT_REL SectionType = 9; /* relocation section - no addends */ + SHT_SHLIB SectionType = 10; /* reserved - purpose unknown */ + SHT_DYNSYM SectionType = 11; /* dynamic symbol table section */ + SHT_INIT_ARRAY SectionType = 14; /* Initialization function pointers. */ + SHT_FINI_ARRAY SectionType = 15; /* Termination function pointers. */ + SHT_PREINIT_ARRAY SectionType = 16; /* Pre-initialization function ptrs. */ + SHT_GROUP SectionType = 17; /* Section group. */ + SHT_SYMTAB_SHNDX SectionType = 18; /* Section indexes (see SHN_XINDEX). */ + SHT_LOOS SectionType = 0x60000000; /* First of OS specific semantics */ + SHT_HIOS SectionType = 0x6fffffff; /* Last of OS specific semantics */ + SHT_LOPROC SectionType = 0x70000000; /* reserved range for processor */ + SHT_HIPROC SectionType = 0x7fffffff; /* specific section header types */ + SHT_LOUSER SectionType = 0x80000000; /* reserved range for application */ + SHT_HIUSER SectionType = 0xffffffff; /* specific indexes */ +) +var shtStrings = []intName { + intName{ 0, "SHT_NULL" }, + intName{ 1, "SHT_PROGBITS" }, + intName{ 2, "SHT_SYMTAB" }, + intName{ 3, "SHT_STRTAB" }, + intName{ 4, "SHT_RELA" }, + intName{ 5, "SHT_HASH" }, + intName{ 6, "SHT_DYNAMIC" }, + intName{ 7, "SHT_NOTE" }, + intName{ 8, "SHT_NOBITS" }, + intName{ 9, "SHT_REL" }, + intName{ 10, "SHT_SHLIB" }, + intName{ 11, "SHT_DYNSYM" }, + intName{ 14, "SHT_INIT_ARRAY" }, + intName{ 15, "SHT_FINI_ARRAY" }, + intName{ 16, "SHT_PREINIT_ARRAY" }, + intName{ 17, "SHT_GROUP" }, + intName{ 18, "SHT_SYMTAB_SHNDX" }, + intName{ 0x60000000, "SHT_LOOS" }, + intName{ 0x6fffffff, "SHT_HIOS" }, + intName{ 0x70000000, "SHT_LOPROC" }, + intName{ 0x7fffffff, "SHT_HIPROC" }, + intName{ 0x80000000, "SHT_LOUSER" }, + intName{ 0xffffffff, "SHT_HIUSER" }, +} +func (i SectionType) String() string { + return stringName(uint32(i), shtStrings, false) +} +func (i SectionType) GoString() string { + return stringName(uint32(i), shtStrings, true) +} + +// Section flags. +type SectionFlag uint32 +const ( + SHF_WRITE SectionFlag = 0x1; /* Section contains writable data. */ + SHF_ALLOC SectionFlag = 0x2; /* Section occupies memory. */ + SHF_EXECINSTR SectionFlag = 0x4; /* Section contains instructions. */ + SHF_MERGE SectionFlag = 0x10; /* Section may be merged. */ + SHF_STRINGS SectionFlag = 0x20; /* Section contains strings. */ + SHF_INFO_LINK SectionFlag = 0x40; /* sh_info holds section index. */ + SHF_LINK_ORDER SectionFlag = 0x80; /* Special ordering requirements. */ + SHF_OS_NONCONFORMING SectionFlag = 0x100; /* OS-specific processing required. */ + SHF_GROUP SectionFlag = 0x200; /* Member of section group. */ + SHF_TLS SectionFlag = 0x400; /* Section contains TLS data. */ + SHF_MASKOS SectionFlag = 0x0ff00000; /* OS-specific semantics. */ + SHF_MASKPROC SectionFlag = 0xf0000000; /* Processor-specific semantics. */ +) +var shfStrings = []intName { + intName{ 0x1, "SHF_WRITE" }, + intName{ 0x2, "SHF_ALLOC" }, + intName{ 0x4, "SHF_EXECINSTR" }, + intName{ 0x10, "SHF_MERGE" }, + intName{ 0x20, "SHF_STRINGS" }, + intName{ 0x40, "SHF_INFO_LINK" }, + intName{ 0x80, "SHF_LINK_ORDER" }, + intName{ 0x100, "SHF_OS_NONCONFORMING" }, + intName{ 0x200, "SHF_GROUP" }, + intName{ 0x400, "SHF_TLS" }, +} +func (i SectionFlag) String() string { + return flagName(uint32(i), shfStrings, false) +} +func (i SectionFlag) GoString() string { + return flagName(uint32(i), shfStrings, true) +} + +// Prog.Type +type ProgType int +const ( + PT_NULL ProgType = 0; /* Unused entry. */ + PT_LOAD ProgType = 1; /* Loadable segment. */ + PT_DYNAMIC ProgType = 2; /* Dynamic linking information segment. */ + PT_INTERP ProgType = 3; /* Pathname of interpreter. */ + PT_NOTE ProgType = 4; /* Auxiliary information. */ + PT_SHLIB ProgType = 5; /* Reserved (not used). */ + PT_PHDR ProgType = 6; /* Location of program header itself. */ + PT_TLS ProgType = 7; /* Thread local storage segment */ + PT_LOOS ProgType = 0x60000000; /* First OS-specific. */ + PT_HIOS ProgType = 0x6fffffff; /* Last OS-specific. */ + PT_LOPROC ProgType = 0x70000000; /* First processor-specific type. */ + PT_HIPROC ProgType = 0x7fffffff; /* Last processor-specific type. */ +) +var ptStrings = []intName { + intName{ 0, "PT_NULL" }, + intName{ 1, "PT_LOAD" }, + intName{ 2, "PT_DYNAMIC" }, + intName{ 3, "PT_INTERP" }, + intName{ 4, "PT_NOTE" }, + intName{ 5, "PT_SHLIB" }, + intName{ 6, "PT_PHDR" }, + intName{ 7, "PT_TLS" }, + intName{ 0x60000000, "PT_LOOS" }, + intName{ 0x6fffffff, "PT_HIOS" }, + intName{ 0x70000000, "PT_LOPROC" }, + intName{ 0x7fffffff, "PT_HIPROC" }, +} +func (i ProgType) String() string { + return stringName(uint32(i), ptStrings, false) +} +func (i ProgType) GoString() string { + return stringName(uint32(i), ptStrings, true) +} + +// Prog.Flag +type ProgFlag uint32 +const ( + PF_X ProgFlag = 0x1; /* Executable. */ + PF_W ProgFlag = 0x2; /* Writable. */ + PF_R ProgFlag = 0x4; /* Readable. */ + PF_MASKOS ProgFlag = 0x0ff00000; /* Operating system-specific. */ + PF_MASKPROC ProgFlag = 0xf0000000; /* Processor-specific. */ +) +var pfStrings = []intName { + intName{ 0x1, "PF_X" }, + intName{ 0x2, "PF_W" }, + intName{ 0x4, "PF_R" }, +} +func (i ProgFlag) String() string { + return flagName(uint32(i), pfStrings, false) +} +func (i ProgFlag) GoString() string { + return flagName(uint32(i), pfStrings, true) +} + +// Dyn.Tag +type DynTag int +const ( + DT_NULL DynTag = 0; /* Terminating entry. */ + DT_NEEDED DynTag = 1; /* String table offset of a needed shared library. */ + DT_PLTRELSZ DynTag = 2; /* Total size in bytes of PLT relocations. */ + DT_PLTGOT DynTag = 3; /* Processor-dependent address. */ + DT_HASH DynTag = 4; /* Address of symbol hash table. */ + DT_STRTAB DynTag = 5; /* Address of string table. */ + DT_SYMTAB DynTag = 6; /* Address of symbol table. */ + DT_RELA DynTag = 7; /* Address of ElfNN_Rela relocations. */ + DT_RELASZ DynTag = 8; /* Total size of ElfNN_Rela relocations. */ + DT_RELAENT DynTag = 9; /* Size of each ElfNN_Rela relocation entry. */ + DT_STRSZ DynTag = 10; /* Size of string table. */ + DT_SYMENT DynTag = 11; /* Size of each symbol table entry. */ + DT_INIT DynTag = 12; /* Address of initialization function. */ + DT_FINI DynTag = 13; /* Address of finalization function. */ + DT_SONAME DynTag = 14; /* String table offset of shared object name. */ + DT_RPATH DynTag = 15; /* String table offset of library path. [sup] */ + DT_SYMBOLIC DynTag = 16; /* Indicates "symbolic" linking. [sup] */ + DT_REL DynTag = 17; /* Address of ElfNN_Rel relocations. */ + DT_RELSZ DynTag = 18; /* Total size of ElfNN_Rel relocations. */ + DT_RELENT DynTag = 19; /* Size of each ElfNN_Rel relocation. */ + DT_PLTREL DynTag = 20; /* Type of relocation used for PLT. */ + DT_DEBUG DynTag = 21; /* Reserved (not used). */ + DT_TEXTREL DynTag = 22; /* Indicates there may be relocations in non-writable segments. [sup] */ + DT_JMPREL DynTag = 23; /* Address of PLT relocations. */ + DT_BIND_NOW DynTag = 24; /* [sup] */ + DT_INIT_ARRAY DynTag = 25; /* Address of the array of pointers to initialization functions */ + DT_FINI_ARRAY DynTag = 26; /* Address of the array of pointers to termination functions */ + DT_INIT_ARRAYSZ DynTag = 27; /* Size in bytes of the array of initialization functions. */ + DT_FINI_ARRAYSZ DynTag = 28; /* Size in bytes of the array of terminationfunctions. */ + DT_RUNPATH DynTag = 29; /* String table offset of a null-terminated library search path string. */ + DT_FLAGS DynTag = 30; /* Object specific flag values. */ + DT_ENCODING DynTag = 32; /* Values greater than or equal to DT_ENCODING + and less than DT_LOOS follow the rules for + the interpretation of the d_un union + as follows: even == 'd_ptr', even == 'd_val' + or none */ + DT_PREINIT_ARRAY DynTag = 32; /* Address of the array of pointers to pre-initialization functions. */ + DT_PREINIT_ARRAYSZ DynTag = 33; /* Size in bytes of the array of pre-initialization functions. */ + DT_LOOS DynTag = 0x6000000d; /* First OS-specific */ + DT_HIOS DynTag = 0x6ffff000; /* Last OS-specific */ + DT_LOPROC DynTag = 0x70000000; /* First processor-specific type. */ + DT_HIPROC DynTag = 0x7fffffff; /* Last processor-specific type. */ +) +var dtStrings = []intName { + intName{ 0, "DT_NULL" }, + intName{ 1, "DT_NEEDED" }, + intName{ 2, "DT_PLTRELSZ" }, + intName{ 3, "DT_PLTGOT" }, + intName{ 4, "DT_HASH" }, + intName{ 5, "DT_STRTAB" }, + intName{ 6, "DT_SYMTAB" }, + intName{ 7, "DT_RELA" }, + intName{ 8, "DT_RELASZ" }, + intName{ 9, "DT_RELAENT" }, + intName{ 10, "DT_STRSZ" }, + intName{ 11, "DT_SYMENT" }, + intName{ 12, "DT_INIT" }, + intName{ 13, "DT_FINI" }, + intName{ 14, "DT_SONAME" }, + intName{ 15, "DT_RPATH" }, + intName{ 16, "DT_SYMBOLIC" }, + intName{ 17, "DT_REL" }, + intName{ 18, "DT_RELSZ" }, + intName{ 19, "DT_RELENT" }, + intName{ 20, "DT_PLTREL" }, + intName{ 21, "DT_DEBUG" }, + intName{ 22, "DT_TEXTREL" }, + intName{ 23, "DT_JMPREL" }, + intName{ 24, "DT_BIND_NOW" }, + intName{ 25, "DT_INIT_ARRAY" }, + intName{ 26, "DT_FINI_ARRAY" }, + intName{ 27, "DT_INIT_ARRAYSZ" }, + intName{ 28, "DT_FINI_ARRAYSZ" }, + intName{ 29, "DT_RUNPATH" }, + intName{ 30, "DT_FLAGS" }, + intName{ 32, "DT_ENCODING" }, + intName{ 32, "DT_PREINIT_ARRAY" }, + intName{ 33, "DT_PREINIT_ARRAYSZ" }, + intName{ 0x6000000d, "DT_LOOS" }, + intName{ 0x6ffff000, "DT_HIOS" }, + intName{ 0x70000000, "DT_LOPROC" }, + intName{ 0x7fffffff, "DT_HIPROC" }, +} +func (i DynTag) String() string { + return stringName(uint32(i), dtStrings, false) +} +func (i DynTag) GoString() string { + return stringName(uint32(i), dtStrings, true) +} + +// DT_FLAGS values. +type DynFlag int +const ( + DF_ORIGIN DynFlag = 0x0001; /* Indicates that the object being loaded may + make reference to the $ORIGIN substitution + string */ + DF_SYMBOLIC DynFlag = 0x0002; /* Indicates "symbolic" linking. */ + DF_TEXTREL DynFlag = 0x0004; /* Indicates there may be relocations in + non-writable segments. */ + DF_BIND_NOW DynFlag = 0x0008; /* Indicates that the dynamic linker should + process all relocations for the object + containing this entry before transferring + control to the program. */ + DF_STATIC_TLS DynFlag = 0x0010; /* Indicates that the shared object or + executable contains code using a static + thread-local storage scheme. */ +) +var dflagStrings = []intName { + intName{ 0x0001, "DF_ORIGIN" }, + intName{ 0x0002, "DF_SYMBOLIC" }, + intName{ 0x0004, "DF_TEXTREL" }, + intName{ 0x0008, "DF_BIND_NOW" }, + intName{ 0x0010, "DF_STATIC_TLS" }, +} +func (i DynFlag) String() string { + return flagName(uint32(i), dflagStrings, false) +} +func (i DynFlag) GoString() string { + return flagName(uint32(i), dflagStrings, true) +} + +// NType values; used in core files. +type NType int +const ( + NT_PRSTATUS NType = 1; /* Process status. */ + NT_FPREGSET NType = 2; /* Floating point registers. */ + NT_PRPSINFO NType = 3; /* Process state info. */ +) +var ntypeStrings = []intName { + intName{ 1, "NT_PRSTATUS" }, + intName{ 2, "NT_FPREGSET" }, + intName{ 3, "NT_PRPSINFO" }, +} +func (i NType) String() string { + return stringName(uint32(i), ntypeStrings, false) +} +func (i NType) GoString() string { + return stringName(uint32(i), ntypeStrings, true) +} + +/* Symbol Binding - ELFNN_ST_BIND - st_info */ +type SymBind int +const ( + STB_LOCAL SymBind = 0; /* Local symbol */ + STB_GLOBAL SymBind = 1; /* Global symbol */ + STB_WEAK SymBind = 2; /* like global - lower precedence */ + STB_LOOS SymBind = 10; /* Reserved range for operating system */ + STB_HIOS SymBind = 12; /* specific semantics. */ + STB_LOPROC SymBind = 13; /* reserved range for processor */ + STB_HIPROC SymBind = 15; /* specific semantics. */ +) +var stbStrings = []intName { + intName{ 0, "STB_LOCAL" }, + intName{ 1, "STB_GLOBAL" }, + intName{ 2, "STB_WEAK" }, + intName{ 10, "STB_LOOS" }, + intName{ 12, "STB_HIOS" }, + intName{ 13, "STB_LOPROC" }, + intName{ 15, "STB_HIPROC" }, +} +func (i SymBind) String() string { + return stringName(uint32(i), stbStrings, false) +} +func (i SymBind) GoString() string { + return stringName(uint32(i), stbStrings, true) +} + +/* Symbol type - ELFNN_ST_TYPE - st_info */ +type SymType int +const ( + STT_NOTYPE SymType = 0; /* Unspecified type. */ + STT_OBJECT SymType = 1; /* Data object. */ + STT_FUNC SymType = 2; /* Function. */ + STT_SECTION SymType = 3; /* Section. */ + STT_FILE SymType = 4; /* Source file. */ + STT_COMMON SymType = 5; /* Uninitialized common block. */ + STT_TLS SymType = 6; /* TLS object. */ + STT_LOOS SymType = 10; /* Reserved range for operating system */ + STT_HIOS SymType = 12; /* specific semantics. */ + STT_LOPROC SymType = 13; /* reserved range for processor */ + STT_HIPROC SymType = 15; /* specific semantics. */ +) +var sttStrings = []intName { + intName{ 0, "STT_NOTYPE" }, + intName{ 1, "STT_OBJECT" }, + intName{ 2, "STT_FUNC" }, + intName{ 3, "STT_SECTION" }, + intName{ 4, "STT_FILE" }, + intName{ 5, "STT_COMMON" }, + intName{ 6, "STT_TLS" }, + intName{ 10, "STT_LOOS" }, + intName{ 12, "STT_HIOS" }, + intName{ 13, "STT_LOPROC" }, + intName{ 15, "STT_HIPROC" }, +} +func (i SymType) String() string { + return stringName(uint32(i), sttStrings, false) +} +func (i SymType) GoString() string { + return stringName(uint32(i), sttStrings, true) +} + +/* Symbol visibility - ELFNN_ST_VISIBILITY - st_other */ +type SymVis int +const ( + STV_DEFAULT SymVis = 0x0; /* Default visibility (see binding). */ + STV_INTERNAL SymVis = 0x1; /* Special meaning in relocatable objects. */ + STV_HIDDEN SymVis = 0x2; /* Not visible. */ + STV_PROTECTED SymVis = 0x3; /* Visible but not preemptible. */ +) +var stvStrings = []intName { + intName{ 0x0, "STV_DEFAULT" }, + intName{ 0x1, "STV_INTERNAL" }, + intName{ 0x2, "STV_HIDDEN" }, + intName{ 0x3, "STV_PROTECTED" }, +} +func (i SymVis) String() string { + return stringName(uint32(i), stvStrings, false) +} +func (i SymVis) GoString() string { + return stringName(uint32(i), stvStrings, true) +} + +/* + * Relocation types. + */ + +// Relocation types for x86-64. +type R_X86_64 int +const ( + R_X86_64_NONE R_X86_64 = 0; /* No relocation. */ + R_X86_64_64 R_X86_64 = 1; /* Add 64 bit symbol value. */ + R_X86_64_PC32 R_X86_64 = 2; /* PC-relative 32 bit signed sym value. */ + R_X86_64_GOT32 R_X86_64 = 3; /* PC-relative 32 bit GOT offset. */ + R_X86_64_PLT32 R_X86_64 = 4; /* PC-relative 32 bit PLT offset. */ + R_X86_64_COPY R_X86_64 = 5; /* Copy data from shared object. */ + R_X86_64_GLOB_DAT R_X86_64 = 6; /* Set GOT entry to data address. */ + R_X86_64_JMP_SLOT R_X86_64 = 7; /* Set GOT entry to code address. */ + R_X86_64_RELATIVE R_X86_64 = 8; /* Add load address of shared object. */ + R_X86_64_GOTPCREL R_X86_64 = 9; /* Add 32 bit signed pcrel offset to GOT. */ + R_X86_64_32 R_X86_64 = 10; /* Add 32 bit zero extended symbol value */ + R_X86_64_32S R_X86_64 = 11; /* Add 32 bit sign extended symbol value */ + R_X86_64_16 R_X86_64 = 12; /* Add 16 bit zero extended symbol value */ + R_X86_64_PC16 R_X86_64 = 13; /* Add 16 bit signed extended pc relative symbol value */ + R_X86_64_8 R_X86_64 = 14; /* Add 8 bit zero extended symbol value */ + R_X86_64_PC8 R_X86_64 = 15; /* Add 8 bit signed extended pc relative symbol value */ + R_X86_64_DTPMOD64 R_X86_64 = 16; /* ID of module containing symbol */ + R_X86_64_DTPOFF64 R_X86_64 = 17; /* Offset in TLS block */ + R_X86_64_TPOFF64 R_X86_64 = 18; /* Offset in static TLS block */ + R_X86_64_TLSGD R_X86_64 = 19; /* PC relative offset to GD GOT entry */ + R_X86_64_TLSLD R_X86_64 = 20; /* PC relative offset to LD GOT entry */ + R_X86_64_DTPOFF32 R_X86_64 = 21; /* Offset in TLS block */ + R_X86_64_GOTTPOFF R_X86_64 = 22; /* PC relative offset to IE GOT entry */ + R_X86_64_TPOFF32 R_X86_64 = 23; /* Offset in static TLS block */ +) +var rx86_64Strings = []intName { + intName{ 0, "R_X86_64_NONE" }, + intName{ 1, "R_X86_64_64" }, + intName{ 2, "R_X86_64_PC32" }, + intName{ 3, "R_X86_64_GOT32" }, + intName{ 4, "R_X86_64_PLT32" }, + intName{ 5, "R_X86_64_COPY" }, + intName{ 6, "R_X86_64_GLOB_DAT" }, + intName{ 7, "R_X86_64_JMP_SLOT" }, + intName{ 8, "R_X86_64_RELATIVE" }, + intName{ 9, "R_X86_64_GOTPCREL" }, + intName{ 10, "R_X86_64_32" }, + intName{ 11, "R_X86_64_32S" }, + intName{ 12, "R_X86_64_16" }, + intName{ 13, "R_X86_64_PC16" }, + intName{ 14, "R_X86_64_8" }, + intName{ 15, "R_X86_64_PC8" }, + intName{ 16, "R_X86_64_DTPMOD64" }, + intName{ 17, "R_X86_64_DTPOFF64" }, + intName{ 18, "R_X86_64_TPOFF64" }, + intName{ 19, "R_X86_64_TLSGD" }, + intName{ 20, "R_X86_64_TLSLD" }, + intName{ 21, "R_X86_64_DTPOFF32" }, + intName{ 22, "R_X86_64_GOTTPOFF" }, + intName{ 23, "R_X86_64_TPOFF32" }, +} +func (i R_X86_64) String() string { + return stringName(uint32(i), rx86_64Strings, false) +} +func (i R_X86_64) GoString() string { + return stringName(uint32(i), rx86_64Strings, true) +} + +// Relocation types for Alpha. +type R_ALPHA int +const ( + R_ALPHA_NONE R_ALPHA = 0; /* No reloc */ + R_ALPHA_REFLONG R_ALPHA = 1; /* Direct 32 bit */ + R_ALPHA_REFQUAD R_ALPHA = 2; /* Direct 64 bit */ + R_ALPHA_GPREL32 R_ALPHA = 3; /* GP relative 32 bit */ + R_ALPHA_LITERAL R_ALPHA = 4; /* GP relative 16 bit w/optimization */ + R_ALPHA_LITUSE R_ALPHA = 5; /* Optimization hint for LITERAL */ + R_ALPHA_GPDISP R_ALPHA = 6; /* Add displacement to GP */ + R_ALPHA_BRADDR R_ALPHA = 7; /* PC+4 relative 23 bit shifted */ + R_ALPHA_HINT R_ALPHA = 8; /* PC+4 relative 16 bit shifted */ + R_ALPHA_SREL16 R_ALPHA = 9; /* PC relative 16 bit */ + R_ALPHA_SREL32 R_ALPHA = 10; /* PC relative 32 bit */ + R_ALPHA_SREL64 R_ALPHA = 11; /* PC relative 64 bit */ + R_ALPHA_OP_PUSH R_ALPHA = 12; /* OP stack push */ + R_ALPHA_OP_STORE R_ALPHA = 13; /* OP stack pop and store */ + R_ALPHA_OP_PSUB R_ALPHA = 14; /* OP stack subtract */ + R_ALPHA_OP_PRSHIFT R_ALPHA = 15; /* OP stack right shift */ + R_ALPHA_GPVALUE R_ALPHA = 16; + R_ALPHA_GPRELHIGH R_ALPHA = 17; + R_ALPHA_GPRELLOW R_ALPHA = 18; + R_ALPHA_IMMED_GP_16 R_ALPHA = 19; + R_ALPHA_IMMED_GP_HI32 R_ALPHA = 20; + R_ALPHA_IMMED_SCN_HI32 R_ALPHA = 21; + R_ALPHA_IMMED_BR_HI32 R_ALPHA = 22; + R_ALPHA_IMMED_LO32 R_ALPHA = 23; + R_ALPHA_COPY R_ALPHA = 24; /* Copy symbol at runtime */ + R_ALPHA_GLOB_DAT R_ALPHA = 25; /* Create GOT entry */ + R_ALPHA_JMP_SLOT R_ALPHA = 26; /* Create PLT entry */ + R_ALPHA_RELATIVE R_ALPHA = 27; /* Adjust by program base */ +) +var ralphaStrings = []intName { + intName{ 0, "R_ALPHA_NONE" }, + intName{ 1, "R_ALPHA_REFLONG" }, + intName{ 2, "R_ALPHA_REFQUAD" }, + intName{ 3, "R_ALPHA_GPREL32" }, + intName{ 4, "R_ALPHA_LITERAL" }, + intName{ 5, "R_ALPHA_LITUSE" }, + intName{ 6, "R_ALPHA_GPDISP" }, + intName{ 7, "R_ALPHA_BRADDR" }, + intName{ 8, "R_ALPHA_HINT" }, + intName{ 9, "R_ALPHA_SREL16" }, + intName{ 10, "R_ALPHA_SREL32" }, + intName{ 11, "R_ALPHA_SREL64" }, + intName{ 12, "R_ALPHA_OP_PUSH" }, + intName{ 13, "R_ALPHA_OP_STORE" }, + intName{ 14, "R_ALPHA_OP_PSUB" }, + intName{ 15, "R_ALPHA_OP_PRSHIFT" }, + intName{ 16, "R_ALPHA_GPVALUE" }, + intName{ 17, "R_ALPHA_GPRELHIGH" }, + intName{ 18, "R_ALPHA_GPRELLOW" }, + intName{ 19, "R_ALPHA_IMMED_GP_16" }, + intName{ 20, "R_ALPHA_IMMED_GP_HI32" }, + intName{ 21, "R_ALPHA_IMMED_SCN_HI32" }, + intName{ 22, "R_ALPHA_IMMED_BR_HI32" }, + intName{ 23, "R_ALPHA_IMMED_LO32" }, + intName{ 24, "R_ALPHA_COPY" }, + intName{ 25, "R_ALPHA_GLOB_DAT" }, + intName{ 26, "R_ALPHA_JMP_SLOT" }, + intName{ 27, "R_ALPHA_RELATIVE" }, +} +func (i R_ALPHA) String() string { + return stringName(uint32(i), ralphaStrings, false) +} +func (i R_ALPHA) GoString() string { + return stringName(uint32(i), ralphaStrings, true) +} + +// Relocation types for ARM. +type R_ARM int +const ( + R_ARM_NONE R_ARM = 0; /* No relocation. */ + R_ARM_PC24 R_ARM = 1; + R_ARM_ABS32 R_ARM = 2; + R_ARM_REL32 R_ARM = 3; + R_ARM_PC13 R_ARM = 4; + R_ARM_ABS16 R_ARM = 5; + R_ARM_ABS12 R_ARM = 6; + R_ARM_THM_ABS5 R_ARM = 7; + R_ARM_ABS8 R_ARM = 8; + R_ARM_SBREL32 R_ARM = 9; + R_ARM_THM_PC22 R_ARM = 10; + R_ARM_THM_PC8 R_ARM = 11; + R_ARM_AMP_VCALL9 R_ARM = 12; + R_ARM_SWI24 R_ARM = 13; + R_ARM_THM_SWI8 R_ARM = 14; + R_ARM_XPC25 R_ARM = 15; + R_ARM_THM_XPC22 R_ARM = 16; + R_ARM_COPY R_ARM = 20; /* Copy data from shared object. */ + R_ARM_GLOB_DAT R_ARM = 21; /* Set GOT entry to data address. */ + R_ARM_JUMP_SLOT R_ARM = 22; /* Set GOT entry to code address. */ + R_ARM_RELATIVE R_ARM = 23; /* Add load address of shared object. */ + R_ARM_GOTOFF R_ARM = 24; /* Add GOT-relative symbol address. */ + R_ARM_GOTPC R_ARM = 25; /* Add PC-relative GOT table address. */ + R_ARM_GOT32 R_ARM = 26; /* Add PC-relative GOT offset. */ + R_ARM_PLT32 R_ARM = 27; /* Add PC-relative PLT offset. */ + R_ARM_GNU_VTENTRY R_ARM = 100; + R_ARM_GNU_VTINHERIT R_ARM = 101; + R_ARM_RSBREL32 R_ARM = 250; + R_ARM_THM_RPC22 R_ARM = 251; + R_ARM_RREL32 R_ARM = 252; + R_ARM_RABS32 R_ARM = 253; + R_ARM_RPC24 R_ARM = 254; + R_ARM_RBASE R_ARM = 255; +) +var rarmStrings = []intName { + intName{ 0, "R_ARM_NONE" }, + intName{ 1, "R_ARM_PC24" }, + intName{ 2, "R_ARM_ABS32" }, + intName{ 3, "R_ARM_REL32" }, + intName{ 4, "R_ARM_PC13" }, + intName{ 5, "R_ARM_ABS16" }, + intName{ 6, "R_ARM_ABS12" }, + intName{ 7, "R_ARM_THM_ABS5" }, + intName{ 8, "R_ARM_ABS8" }, + intName{ 9, "R_ARM_SBREL32" }, + intName{ 10, "R_ARM_THM_PC22" }, + intName{ 11, "R_ARM_THM_PC8" }, + intName{ 12, "R_ARM_AMP_VCALL9" }, + intName{ 13, "R_ARM_SWI24" }, + intName{ 14, "R_ARM_THM_SWI8" }, + intName{ 15, "R_ARM_XPC25" }, + intName{ 16, "R_ARM_THM_XPC22" }, + intName{ 20, "R_ARM_COPY" }, + intName{ 21, "R_ARM_GLOB_DAT" }, + intName{ 22, "R_ARM_JUMP_SLOT" }, + intName{ 23, "R_ARM_RELATIVE" }, + intName{ 24, "R_ARM_GOTOFF" }, + intName{ 25, "R_ARM_GOTPC" }, + intName{ 26, "R_ARM_GOT32" }, + intName{ 27, "R_ARM_PLT32" }, + intName{ 100, "R_ARM_GNU_VTENTRY" }, + intName{ 101, "R_ARM_GNU_VTINHERIT" }, + intName{ 250, "R_ARM_RSBREL32" }, + intName{ 251, "R_ARM_THM_RPC22" }, + intName{ 252, "R_ARM_RREL32" }, + intName{ 253, "R_ARM_RABS32" }, + intName{ 254, "R_ARM_RPC24" }, + intName{ 255, "R_ARM_RBASE" }, +} +func (i R_ARM) String() string { + return stringName(uint32(i), rarmStrings, false) +} +func (i R_ARM) GoString() string { + return stringName(uint32(i), rarmStrings, true) +} + +// Relocation types for 386. +type R_386 int +const ( + R_386_NONE R_386 = 0; /* No relocation. */ + R_386_32 R_386 = 1; /* Add symbol value. */ + R_386_PC32 R_386 = 2; /* Add PC-relative symbol value. */ + R_386_GOT32 R_386 = 3; /* Add PC-relative GOT offset. */ + R_386_PLT32 R_386 = 4; /* Add PC-relative PLT offset. */ + R_386_COPY R_386 = 5; /* Copy data from shared object. */ + R_386_GLOB_DAT R_386 = 6; /* Set GOT entry to data address. */ + R_386_JMP_SLOT R_386 = 7; /* Set GOT entry to code address. */ + R_386_RELATIVE R_386 = 8; /* Add load address of shared object. */ + R_386_GOTOFF R_386 = 9; /* Add GOT-relative symbol address. */ + R_386_GOTPC R_386 = 10; /* Add PC-relative GOT table address. */ + R_386_TLS_TPOFF R_386 = 14; /* Negative offset in static TLS block */ + R_386_TLS_IE R_386 = 15; /* Absolute address of GOT for -ve static TLS */ + R_386_TLS_GOTIE R_386 = 16; /* GOT entry for negative static TLS block */ + R_386_TLS_LE R_386 = 17; /* Negative offset relative to static TLS */ + R_386_TLS_GD R_386 = 18; /* 32 bit offset to GOT (index,off) pair */ + R_386_TLS_LDM R_386 = 19; /* 32 bit offset to GOT (index,zero) pair */ + R_386_TLS_GD_32 R_386 = 24; /* 32 bit offset to GOT (index,off) pair */ + R_386_TLS_GD_PUSH R_386 = 25; /* pushl instruction for Sun ABI GD sequence */ + R_386_TLS_GD_CALL R_386 = 26; /* call instruction for Sun ABI GD sequence */ + R_386_TLS_GD_POP R_386 = 27; /* popl instruction for Sun ABI GD sequence */ + R_386_TLS_LDM_32 R_386 = 28; /* 32 bit offset to GOT (index,zero) pair */ + R_386_TLS_LDM_PUSH R_386 = 29; /* pushl instruction for Sun ABI LD sequence */ + R_386_TLS_LDM_CALL R_386 = 30; /* call instruction for Sun ABI LD sequence */ + R_386_TLS_LDM_POP R_386 = 31; /* popl instruction for Sun ABI LD sequence */ + R_386_TLS_LDO_32 R_386 = 32; /* 32 bit offset from start of TLS block */ + R_386_TLS_IE_32 R_386 = 33; /* 32 bit offset to GOT static TLS offset entry */ + R_386_TLS_LE_32 R_386 = 34; /* 32 bit offset within static TLS block */ + R_386_TLS_DTPMOD32 R_386 = 35; /* GOT entry containing TLS index */ + R_386_TLS_DTPOFF32 R_386 = 36; /* GOT entry containing TLS offset */ + R_386_TLS_TPOFF32 R_386 = 37; /* GOT entry of -ve static TLS offset */ +) +var r386Strings = []intName { + intName{ 0, "R_386_NONE" }, + intName{ 1, "R_386_32" }, + intName{ 2, "R_386_PC32" }, + intName{ 3, "R_386_GOT32" }, + intName{ 4, "R_386_PLT32" }, + intName{ 5, "R_386_COPY" }, + intName{ 6, "R_386_GLOB_DAT" }, + intName{ 7, "R_386_JMP_SLOT" }, + intName{ 8, "R_386_RELATIVE" }, + intName{ 9, "R_386_GOTOFF" }, + intName{ 10, "R_386_GOTPC" }, + intName{ 14, "R_386_TLS_TPOFF" }, + intName{ 15, "R_386_TLS_IE" }, + intName{ 16, "R_386_TLS_GOTIE" }, + intName{ 17, "R_386_TLS_LE" }, + intName{ 18, "R_386_TLS_GD" }, + intName{ 19, "R_386_TLS_LDM" }, + intName{ 24, "R_386_TLS_GD_32" }, + intName{ 25, "R_386_TLS_GD_PUSH" }, + intName{ 26, "R_386_TLS_GD_CALL" }, + intName{ 27, "R_386_TLS_GD_POP" }, + intName{ 28, "R_386_TLS_LDM_32" }, + intName{ 29, "R_386_TLS_LDM_PUSH" }, + intName{ 30, "R_386_TLS_LDM_CALL" }, + intName{ 31, "R_386_TLS_LDM_POP" }, + intName{ 32, "R_386_TLS_LDO_32" }, + intName{ 33, "R_386_TLS_IE_32" }, + intName{ 34, "R_386_TLS_LE_32" }, + intName{ 35, "R_386_TLS_DTPMOD32" }, + intName{ 36, "R_386_TLS_DTPOFF32" }, + intName{ 37, "R_386_TLS_TPOFF32" }, +} +func (i R_386) String() string { + return stringName(uint32(i), r386Strings, false) +} +func (i R_386) GoString() string { + return stringName(uint32(i), r386Strings, true) +} + +// Relocation types for PowerPC. +type R_PPC int +const ( + R_PPC_NONE R_PPC = 0; /* No relocation. */ + R_PPC_ADDR32 R_PPC = 1; + R_PPC_ADDR24 R_PPC = 2; + R_PPC_ADDR16 R_PPC = 3; + R_PPC_ADDR16_LO R_PPC = 4; + R_PPC_ADDR16_HI R_PPC = 5; + R_PPC_ADDR16_HA R_PPC = 6; + R_PPC_ADDR14 R_PPC = 7; + R_PPC_ADDR14_BRTAKEN R_PPC = 8; + R_PPC_ADDR14_BRNTAKEN R_PPC = 9; + R_PPC_REL24 R_PPC = 10; + R_PPC_REL14 R_PPC = 11; + R_PPC_REL14_BRTAKEN R_PPC = 12; + R_PPC_REL14_BRNTAKEN R_PPC = 13; + R_PPC_GOT16 R_PPC = 14; + R_PPC_GOT16_LO R_PPC = 15; + R_PPC_GOT16_HI R_PPC = 16; + R_PPC_GOT16_HA R_PPC = 17; + R_PPC_PLTREL24 R_PPC = 18; + R_PPC_COPY R_PPC = 19; + R_PPC_GLOB_DAT R_PPC = 20; + R_PPC_JMP_SLOT R_PPC = 21; + R_PPC_RELATIVE R_PPC = 22; + R_PPC_LOCAL24PC R_PPC = 23; + R_PPC_UADDR32 R_PPC = 24; + R_PPC_UADDR16 R_PPC = 25; + R_PPC_REL32 R_PPC = 26; + R_PPC_PLT32 R_PPC = 27; + R_PPC_PLTREL32 R_PPC = 28; + R_PPC_PLT16_LO R_PPC = 29; + R_PPC_PLT16_HI R_PPC = 30; + R_PPC_PLT16_HA R_PPC = 31; + R_PPC_SDAREL16 R_PPC = 32; + R_PPC_SECTOFF R_PPC = 33; + R_PPC_SECTOFF_LO R_PPC = 34; + R_PPC_SECTOFF_HI R_PPC = 35; + R_PPC_SECTOFF_HA R_PPC = 36; + + R_PPC_TLS R_PPC = 67; + R_PPC_DTPMOD32 R_PPC = 68; + R_PPC_TPREL16 R_PPC = 69; + R_PPC_TPREL16_LO R_PPC = 70; + R_PPC_TPREL16_HI R_PPC = 71; + R_PPC_TPREL16_HA R_PPC = 72; + R_PPC_TPREL32 R_PPC = 73; + R_PPC_DTPREL16 R_PPC = 74; + R_PPC_DTPREL16_LO R_PPC = 75; + R_PPC_DTPREL16_HI R_PPC = 76; + R_PPC_DTPREL16_HA R_PPC = 77; + R_PPC_DTPREL32 R_PPC = 78; + R_PPC_GOT_TLSGD16 R_PPC = 79; + R_PPC_GOT_TLSGD16_LO R_PPC = 80; + R_PPC_GOT_TLSGD16_HI R_PPC = 81; + R_PPC_GOT_TLSGD16_HA R_PPC = 82; + R_PPC_GOT_TLSLD16 R_PPC = 83; + R_PPC_GOT_TLSLD16_LO R_PPC = 84; + R_PPC_GOT_TLSLD16_HI R_PPC = 85; + R_PPC_GOT_TLSLD16_HA R_PPC = 86; + R_PPC_GOT_TPREL16 R_PPC = 87; + R_PPC_GOT_TPREL16_LO R_PPC = 88; + R_PPC_GOT_TPREL16_HI R_PPC = 89; + R_PPC_GOT_TPREL16_HA R_PPC = 90; + + R_PPC_EMB_NADDR32 R_PPC = 101; + R_PPC_EMB_NADDR16 R_PPC = 102; + R_PPC_EMB_NADDR16_LO R_PPC = 103; + R_PPC_EMB_NADDR16_HI R_PPC = 104; + R_PPC_EMB_NADDR16_HA R_PPC = 105; + R_PPC_EMB_SDAI16 R_PPC = 106; + R_PPC_EMB_SDA2I16 R_PPC = 107; + R_PPC_EMB_SDA2REL R_PPC = 108; + R_PPC_EMB_SDA21 R_PPC = 109; + R_PPC_EMB_MRKREF R_PPC = 110; + R_PPC_EMB_RELSEC16 R_PPC = 111; + R_PPC_EMB_RELST_LO R_PPC = 112; + R_PPC_EMB_RELST_HI R_PPC = 113; + R_PPC_EMB_RELST_HA R_PPC = 114; + R_PPC_EMB_BIT_FLD R_PPC = 115; + R_PPC_EMB_RELSDA R_PPC = 116; +) +var rppcStrings = []intName { + intName{ 0, "R_PPC_NONE" }, + intName{ 1, "R_PPC_ADDR32" }, + intName{ 2, "R_PPC_ADDR24" }, + intName{ 3, "R_PPC_ADDR16" }, + intName{ 4, "R_PPC_ADDR16_LO" }, + intName{ 5, "R_PPC_ADDR16_HI" }, + intName{ 6, "R_PPC_ADDR16_HA" }, + intName{ 7, "R_PPC_ADDR14" }, + intName{ 8, "R_PPC_ADDR14_BRTAKEN" }, + intName{ 9, "R_PPC_ADDR14_BRNTAKEN" }, + intName{ 10, "R_PPC_REL24" }, + intName{ 11, "R_PPC_REL14" }, + intName{ 12, "R_PPC_REL14_BRTAKEN" }, + intName{ 13, "R_PPC_REL14_BRNTAKEN" }, + intName{ 14, "R_PPC_GOT16" }, + intName{ 15, "R_PPC_GOT16_LO" }, + intName{ 16, "R_PPC_GOT16_HI" }, + intName{ 17, "R_PPC_GOT16_HA" }, + intName{ 18, "R_PPC_PLTREL24" }, + intName{ 19, "R_PPC_COPY" }, + intName{ 20, "R_PPC_GLOB_DAT" }, + intName{ 21, "R_PPC_JMP_SLOT" }, + intName{ 22, "R_PPC_RELATIVE" }, + intName{ 23, "R_PPC_LOCAL24PC" }, + intName{ 24, "R_PPC_UADDR32" }, + intName{ 25, "R_PPC_UADDR16" }, + intName{ 26, "R_PPC_REL32" }, + intName{ 27, "R_PPC_PLT32" }, + intName{ 28, "R_PPC_PLTREL32" }, + intName{ 29, "R_PPC_PLT16_LO" }, + intName{ 30, "R_PPC_PLT16_HI" }, + intName{ 31, "R_PPC_PLT16_HA" }, + intName{ 32, "R_PPC_SDAREL16" }, + intName{ 33, "R_PPC_SECTOFF" }, + intName{ 34, "R_PPC_SECTOFF_LO" }, + intName{ 35, "R_PPC_SECTOFF_HI" }, + intName{ 36, "R_PPC_SECTOFF_HA" }, + + intName{ 67, "R_PPC_TLS" }, + intName{ 68, "R_PPC_DTPMOD32" }, + intName{ 69, "R_PPC_TPREL16" }, + intName{ 70, "R_PPC_TPREL16_LO" }, + intName{ 71, "R_PPC_TPREL16_HI" }, + intName{ 72, "R_PPC_TPREL16_HA" }, + intName{ 73, "R_PPC_TPREL32" }, + intName{ 74, "R_PPC_DTPREL16" }, + intName{ 75, "R_PPC_DTPREL16_LO" }, + intName{ 76, "R_PPC_DTPREL16_HI" }, + intName{ 77, "R_PPC_DTPREL16_HA" }, + intName{ 78, "R_PPC_DTPREL32" }, + intName{ 79, "R_PPC_GOT_TLSGD16" }, + intName{ 80, "R_PPC_GOT_TLSGD16_LO" }, + intName{ 81, "R_PPC_GOT_TLSGD16_HI" }, + intName{ 82, "R_PPC_GOT_TLSGD16_HA" }, + intName{ 83, "R_PPC_GOT_TLSLD16" }, + intName{ 84, "R_PPC_GOT_TLSLD16_LO" }, + intName{ 85, "R_PPC_GOT_TLSLD16_HI" }, + intName{ 86, "R_PPC_GOT_TLSLD16_HA" }, + intName{ 87, "R_PPC_GOT_TPREL16" }, + intName{ 88, "R_PPC_GOT_TPREL16_LO" }, + intName{ 89, "R_PPC_GOT_TPREL16_HI" }, + intName{ 90, "R_PPC_GOT_TPREL16_HA" }, + + intName{ 101, "R_PPC_EMB_NADDR32" }, + intName{ 102, "R_PPC_EMB_NADDR16" }, + intName{ 103, "R_PPC_EMB_NADDR16_LO" }, + intName{ 104, "R_PPC_EMB_NADDR16_HI" }, + intName{ 105, "R_PPC_EMB_NADDR16_HA" }, + intName{ 106, "R_PPC_EMB_SDAI16" }, + intName{ 107, "R_PPC_EMB_SDA2I16" }, + intName{ 108, "R_PPC_EMB_SDA2REL" }, + intName{ 109, "R_PPC_EMB_SDA21" }, + intName{ 110, "R_PPC_EMB_MRKREF" }, + intName{ 111, "R_PPC_EMB_RELSEC16" }, + intName{ 112, "R_PPC_EMB_RELST_LO" }, + intName{ 113, "R_PPC_EMB_RELST_HI" }, + intName{ 114, "R_PPC_EMB_RELST_HA" }, + intName{ 115, "R_PPC_EMB_BIT_FLD" }, + intName{ 116, "R_PPC_EMB_RELSDA" }, +} +func (i R_PPC) String() string { + return stringName(uint32(i), rppcStrings, false) +} +func (i R_PPC) GoString() string { + return stringName(uint32(i), rppcStrings, true) +} + +// Relocation types for SPARC. +type R_SPARC int +const ( + R_SPARC_NONE R_SPARC = 0; + R_SPARC_8 R_SPARC = 1; + R_SPARC_16 R_SPARC = 2; + R_SPARC_32 R_SPARC = 3; + R_SPARC_DISP8 R_SPARC = 4; + R_SPARC_DISP16 R_SPARC = 5; + R_SPARC_DISP32 R_SPARC = 6; + R_SPARC_WDISP30 R_SPARC = 7; + R_SPARC_WDISP22 R_SPARC = 8; + R_SPARC_HI22 R_SPARC = 9; + R_SPARC_22 R_SPARC = 10; + R_SPARC_13 R_SPARC = 11; + R_SPARC_LO10 R_SPARC = 12; + R_SPARC_GOT10 R_SPARC = 13; + R_SPARC_GOT13 R_SPARC = 14; + R_SPARC_GOT22 R_SPARC = 15; + R_SPARC_PC10 R_SPARC = 16; + R_SPARC_PC22 R_SPARC = 17; + R_SPARC_WPLT30 R_SPARC = 18; + R_SPARC_COPY R_SPARC = 19; + R_SPARC_GLOB_DAT R_SPARC = 20; + R_SPARC_JMP_SLOT R_SPARC = 21; + R_SPARC_RELATIVE R_SPARC = 22; + R_SPARC_UA32 R_SPARC = 23; + R_SPARC_PLT32 R_SPARC = 24; + R_SPARC_HIPLT22 R_SPARC = 25; + R_SPARC_LOPLT10 R_SPARC = 26; + R_SPARC_PCPLT32 R_SPARC = 27; + R_SPARC_PCPLT22 R_SPARC = 28; + R_SPARC_PCPLT10 R_SPARC = 29; + R_SPARC_10 R_SPARC = 30; + R_SPARC_11 R_SPARC = 31; + R_SPARC_64 R_SPARC = 32; + R_SPARC_OLO10 R_SPARC = 33; + R_SPARC_HH22 R_SPARC = 34; + R_SPARC_HM10 R_SPARC = 35; + R_SPARC_LM22 R_SPARC = 36; + R_SPARC_PC_HH22 R_SPARC = 37; + R_SPARC_PC_HM10 R_SPARC = 38; + R_SPARC_PC_LM22 R_SPARC = 39; + R_SPARC_WDISP16 R_SPARC = 40; + R_SPARC_WDISP19 R_SPARC = 41; + R_SPARC_GLOB_JMP R_SPARC = 42; + R_SPARC_7 R_SPARC = 43; + R_SPARC_5 R_SPARC = 44; + R_SPARC_6 R_SPARC = 45; + R_SPARC_DISP64 R_SPARC = 46; + R_SPARC_PLT64 R_SPARC = 47; + R_SPARC_HIX22 R_SPARC = 48; + R_SPARC_LOX10 R_SPARC = 49; + R_SPARC_H44 R_SPARC = 50; + R_SPARC_M44 R_SPARC = 51; + R_SPARC_L44 R_SPARC = 52; + R_SPARC_REGISTER R_SPARC = 53; + R_SPARC_UA64 R_SPARC = 54; + R_SPARC_UA16 R_SPARC = 55; +) +var rsparcStrings = []intName { + intName{ 0, "R_SPARC_NONE" }, + intName{ 1, "R_SPARC_8" }, + intName{ 2, "R_SPARC_16" }, + intName{ 3, "R_SPARC_32" }, + intName{ 4, "R_SPARC_DISP8" }, + intName{ 5, "R_SPARC_DISP16" }, + intName{ 6, "R_SPARC_DISP32" }, + intName{ 7, "R_SPARC_WDISP30" }, + intName{ 8, "R_SPARC_WDISP22" }, + intName{ 9, "R_SPARC_HI22" }, + intName{ 10, "R_SPARC_22" }, + intName{ 11, "R_SPARC_13" }, + intName{ 12, "R_SPARC_LO10" }, + intName{ 13, "R_SPARC_GOT10" }, + intName{ 14, "R_SPARC_GOT13" }, + intName{ 15, "R_SPARC_GOT22" }, + intName{ 16, "R_SPARC_PC10" }, + intName{ 17, "R_SPARC_PC22" }, + intName{ 18, "R_SPARC_WPLT30" }, + intName{ 19, "R_SPARC_COPY" }, + intName{ 20, "R_SPARC_GLOB_DAT" }, + intName{ 21, "R_SPARC_JMP_SLOT" }, + intName{ 22, "R_SPARC_RELATIVE" }, + intName{ 23, "R_SPARC_UA32" }, + intName{ 24, "R_SPARC_PLT32" }, + intName{ 25, "R_SPARC_HIPLT22" }, + intName{ 26, "R_SPARC_LOPLT10" }, + intName{ 27, "R_SPARC_PCPLT32" }, + intName{ 28, "R_SPARC_PCPLT22" }, + intName{ 29, "R_SPARC_PCPLT10" }, + intName{ 30, "R_SPARC_10" }, + intName{ 31, "R_SPARC_11" }, + intName{ 32, "R_SPARC_64" }, + intName{ 33, "R_SPARC_OLO10" }, + intName{ 34, "R_SPARC_HH22" }, + intName{ 35, "R_SPARC_HM10" }, + intName{ 36, "R_SPARC_LM22" }, + intName{ 37, "R_SPARC_PC_HH22" }, + intName{ 38, "R_SPARC_PC_HM10" }, + intName{ 39, "R_SPARC_PC_LM22" }, + intName{ 40, "R_SPARC_WDISP16" }, + intName{ 41, "R_SPARC_WDISP19" }, + intName{ 42, "R_SPARC_GLOB_JMP" }, + intName{ 43, "R_SPARC_7" }, + intName{ 44, "R_SPARC_5" }, + intName{ 45, "R_SPARC_6" }, + intName{ 46, "R_SPARC_DISP64" }, + intName{ 47, "R_SPARC_PLT64" }, + intName{ 48, "R_SPARC_HIX22" }, + intName{ 49, "R_SPARC_LOX10" }, + intName{ 50, "R_SPARC_H44" }, + intName{ 51, "R_SPARC_M44" }, + intName{ 52, "R_SPARC_L44" }, + intName{ 53, "R_SPARC_REGISTER" }, + intName{ 54, "R_SPARC_UA64" }, + intName{ 55, "R_SPARC_UA16" }, +} +func (i R_SPARC) String() string { + return stringName(uint32(i), rsparcStrings, false) +} +func (i R_SPARC) GoString() string { + return stringName(uint32(i), rsparcStrings, true) +} + +/* + * Magic number for the elf trampoline, chosen wisely to be an immediate + * value. + */ +const ARM_MAGIC_TRAMP_NUMBER = 0x5c000003 + + +/* + * ELF32 File header. + */ +type Header32 struct { + Ident [EI_NIDENT]byte; /* File identification. */ + Type uint16; /* File type. */ + Machine uint16; /* Machine architecture. */ + Version uint32; /* ELF format version. */ + Entry uint32; /* Entry point. */ + Phoff uint32; /* Program header file offset. */ + Shoff uint32; /* Section header file offset. */ + Flags uint32; /* Architecture-specific flags. */ + Ehsize uint16; /* Size of ELF header in bytes. */ + Phentsize uint16; /* Size of program header entry. */ + Phnum uint16; /* Number of program header entries. */ + Shentsize uint16; /* Size of section header entry. */ + Shnum uint16; /* Number of section header entries. */ + Shstrndx uint16; /* Section name strings section. */ +} + +/* + * ELF32 Section header. + */ +type Section32 struct { + Name uint32; /* Section name (index into the + section header string table). */ + Type uint32; /* Section type. */ + Flags uint32; /* Section flags. */ + Addr uint32; /* Address in memory image. */ + Off uint32; /* Offset in file. */ + Size uint32; /* Size in bytes. */ + Link uint32; /* Index of a related section. */ + Info uint32; /* Depends on section type. */ + Addralign uint32; /* Alignment in bytes. */ + Entsize uint32; /* Size of each entry in section. */ +} + +/* + * ELF32 Program header. + */ +type Prog32 struct { + Type uint32; /* Entry type. */ + Off uint32; /* File offset of contents. */ + Vaddr uint32; /* Virtual address in memory image. */ + Paddr uint32; /* Physical address (not used). */ + Filesz uint32; /* Size of contents in file. */ + Memsz uint32; /* Size of contents in memory. */ + Flags uint32; /* Access permission flags. */ + Align uint32; /* Alignment in memory and file. */ +} + +/* + * ELF32 Dynamic structure. The ".dynamic" section contains an array of them. + */ +type Dyn32 struct { + Tag int32; /* Entry type. */ + Val uint32; /* Integer/Address value. */ +}; + +/* + * Relocation entries. + */ + +// ELF32 Relocations that don't need an addend field. +type Rel32 struct { + Off uint32; /* Location to be relocated. */ + Info uint32; /* Relocation type and symbol index. */ +} + +// ELF32 Relocations that need an addend field. +type Rela32 struct { + Off uint32; /* Location to be relocated. */ + Info uint32; /* Relocation type and symbol index. */ + Addend int32; /* Addend. */ +} + +func R_SYM32(info uint32) uint32 { + return uint32(info>>8) +} +func R_TYPE32(info uint32) uint32 { + return uint32(info&0xff) +} +func R_INFO32(sym, typ uint32) uint32 { + return sym<<8 | typ; +} + +// ELF32 Symbol. +type Sym32 struct { + Name uint32; + Value uint32; + Size uint32; + Info uint8; + Other uint8; + Shndx uint16; +} + +func ST_BIND(info uint8) SymBind { + return SymBind(info>>4) +} +func ST_TYPE(bind SymBind, typ SymType) uint8 { + return uint8(bind)<<4 | uint8(typ)&0xf +} +func ST_VISIBILITY(other uint8) SymVis { + return SymVis(other & 3) +} + +/* + * ELF64 + */ + +/* + * ELF64 file header. + */ + +type Header64 struct { + Ident [EI_NIDENT]byte; /* File identification. */ + Type uint16; /* File type. */ + Machine uint16; /* Machine architecture. */ + Version uint32; /* ELF format version. */ + Entry uint64; /* Entry point. */ + Phoff uint64; /* Program header file offset. */ + Shoff uint64; /* Section header file offset. */ + Flags uint32; /* Architecture-specific flags. */ + Ehsize uint16; /* Size of ELF header in bytes. */ + Phentsize uint16; /* Size of program header entry. */ + Phnum uint16; /* Number of program header entries. */ + Shentsize uint16; /* Size of section header entry. */ + Shnum uint16; /* Number of section header entries. */ + Shstrndx uint16; /* Section name strings section. */ +} + +/* + * ELF64 Section header. + */ + +type Section64 struct { + Name uint32; /* Section name (index into the + section header string table). */ + Type uint32; /* Section type. */ + Flags uint64; /* Section flags. */ + Addr uint64; /* Address in memory image. */ + Off uint64; /* Offset in file. */ + Size uint64; /* Size in bytes. */ + Link uint32; /* Index of a related section. */ + Info uint32; /* Depends on section type. */ + Addralign uint64; /* Alignment in bytes. */ + Entsize uint64; /* Size of each entry in section. */ +} + +/* + * ELF64 Program header. + */ + +type Prog64 struct { + Type uint32; /* Entry type. */ + Flags uint32; /* Access permission flags. */ + Off uint64; /* File offset of contents. */ + Vaddr uint64; /* Virtual address in memory image. */ + Paddr uint64; /* Physical address (not used). */ + Filesz uint64; /* Size of contents in file. */ + Memsz uint64; /* Size of contents in memory. */ + Align uint64; /* Alignment in memory and file. */ +} + +/* + * ELF64 Dynamic structure. The ".dynamic" section contains an array of them. + */ + +type Dyn64 struct { + Tag int64; /* Entry type. */ + Val uint64; /* Integer/address value */ +} + +/* + * Relocation entries. + */ + +/* ELF64 relocations that don't need an addend field. */ +type Rel64 struct { + Off uint64; /* Location to be relocated. */ + Info uint64; /* Relocation type and symbol index. */ +} + +/* ELF64 relocations that need an addend field. */ +type Rela64 struct { + Off uint64; /* Location to be relocated. */ + Info uint64; /* Relocation type and symbol index. */ + Addend int64; /* Addend. */ +} + +func R_SYM64(info uint64) uint32 { + return uint32(info>>32) +} +func R_TYPE64(info uint64) uint32 { + return uint32(info) +} +func R_INFO(sym, typ uint32) uint64 { + return uint64(sym)<<32 | uint64(typ) +} + + +/* + * ELF64 symbol table entries. + */ +type Sym64 struct { + Name uint32; /* String table index of name. */ + Info uint8; /* Type and binding information. */ + Other uint8; /* Reserved (not used). */ + Shndx uint16; /* Section index of symbol. */ + Value uint64; /* Symbol value. */ + Size uint64; /* Size of associated object. */ +} + + +type intName struct { + i uint32; + s string; +} + +func stringName(i uint32, names []intName, goSyntax bool) string { + for _, n := range names { + if n.i == i { + if goSyntax { + return "elf." + n.s + } + return n.s + } + } + + // second pass - look for smaller to add with. + // assume sorted already + for j := len(names)-1; j>=0; j-- { + n := names[j]; + if n.i < i { + s := n.s; + if goSyntax { + s = "elf." + s; + } + return s + "+" + strconv.Uitoa64(uint64(i - n.i)); + } + } + + return strconv.Uitoa64(uint64(i)) +} + +func flagName(i uint32, names []intName, goSyntax bool) string { + s := ""; + for _, n := range names { + if n.i & i == n.i { + if len(s) > 0 { + s += "+"; + } + if goSyntax { + s += "elf."; + } + s += n.s; + i -= n.i; + } + } + if len(s) == 0 { + return "0x" + strconv.Uitob64(uint64(i), 16) + } + if i != 0 { + s += "+0x" + strconv.Uitob64(uint64(i), 16) + } + return s +} diff --git a/src/pkg/debug/elf/elf_test.go b/src/pkg/debug/elf/elf_test.go new file mode 100644 index 0000000000..bafa3d36e1 --- /dev/null +++ b/src/pkg/debug/elf/elf_test.go @@ -0,0 +1,49 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package elf + +import ( + "fmt"; + "testing"; +) + +type nameTest struct { + val interface{}; + str string +} + +var nameTests = []nameTest { + nameTest{ELFOSABI_LINUX, "ELFOSABI_LINUX"}, + nameTest{ET_EXEC, "ET_EXEC"}, + nameTest{EM_860, "EM_860"}, + nameTest{SHN_LOPROC, "SHN_LOPROC"}, + nameTest{SHT_PROGBITS, "SHT_PROGBITS"}, + nameTest{SHF_MERGE+SHF_TLS, "SHF_MERGE+SHF_TLS"}, + nameTest{PT_LOAD, "PT_LOAD"}, + nameTest{PF_W+PF_R+0x50, "PF_W+PF_R+0x50"}, + nameTest{DT_SYMBOLIC, "DT_SYMBOLIC"}, + nameTest{DF_BIND_NOW, "DF_BIND_NOW"}, + nameTest{NT_FPREGSET, "NT_FPREGSET"}, + nameTest{STB_GLOBAL, "STB_GLOBAL"}, + nameTest{STT_COMMON, "STT_COMMON"}, + nameTest{STV_HIDDEN, "STV_HIDDEN"}, + nameTest{R_X86_64_PC32, "R_X86_64_PC32"}, + nameTest{R_ALPHA_OP_PUSH, "R_ALPHA_OP_PUSH"}, + nameTest{R_ARM_THM_ABS5, "R_ARM_THM_ABS5"}, + nameTest{R_386_GOT32, "R_386_GOT32"}, + nameTest{R_PPC_GOT16_HI, "R_PPC_GOT16_HI"}, + nameTest{R_SPARC_GOT22, "R_SPARC_GOT22"}, + nameTest{ET_LOOS+5, "ET_LOOS+5"}, + nameTest{ProgFlag(0x50), "0x50"}, +} + +func TestNames(t *testing.T) { + for i, tt := range nameTests { + s := fmt.Sprint(tt.val); + if s != tt.str { + t.Errorf("#%d: want %q have %q", i, s, tt.str); + } + } +}