libc_bionic_src_files += $(_LIBC_ARCH_COMMON_SRC_FILES)
libc_bionic_src_files += $(_LIBC_ARCH_CPU_VARIANT_SRC_FILES)
-libc_arch_static_src_files := $(_LIBC_ARCH_STATIC_SRC_FILES)
+libc_arch_static_src_files := $(_LIBC_ARCH_STATIC_SRC_FILES) bionic/dl_iterate_phdr_static.cpp
libc_arch_dynamic_src_files := $(_LIBC_ARCH_DYNAMIC_SRC_FILES)
libc_common_additional_dependencies += $(_LIBC_ARCH_ADDITIONAL_DEPENDENCIES)
arch-arm/bionic/sigsetjmp.S \
arch-arm/bionic/syscall.S \
-# These are used by the static and dynamic versions of the libc
-# respectively.
_LIBC_ARCH_STATIC_SRC_FILES := \
arch-arm/bionic/exidx_static.c \
- bionic/dl_iterate_phdr_static.c \
_LIBC_ARCH_DYNAMIC_SRC_FILES := \
arch-arm/bionic/exidx_dynamic.c \
arch-arm64/bionic/sigsetjmp.S \
arch-arm64/bionic/syscall.S \
arch-arm64/bionic/vfork.S \
-
-_LIBC_ARCH_STATIC_SRC_FILES := \
- bionic/dl_iterate_phdr_static.c \
-
-_LIBC_ARCH_DYNAMIC_SRC_FILES :=
arch-mips/string/memcpy.S \
arch-mips/string/memset.S \
arch-mips/string/mips_strlen.c \
-
-_LIBC_ARCH_STATIC_SRC_FILES := \
- bionic/dl_iterate_phdr_static.c \
-
-_LIBC_ARCH_DYNAMIC_SRC_FILES :=
_LIBC_ARCH_COMMON_SRC_FILES += bionic/memcpy.c
_LIBC_ARCH_COMMON_SRC_FILES += bionic/memset.c
_LIBC_ARCH_COMMON_SRC_FILES += string/strlen.c
-
-_LIBC_ARCH_STATIC_SRC_FILES := \
- bionic/dl_iterate_phdr_static.c \
-
-_LIBC_ARCH_DYNAMIC_SRC_FILES :=
arch-x86/string/sse2-wcsrchr-atom.S \
arch-x86/string/sse2-wcslen-atom.S \
arch-x86/string/sse2-wcscmp-atom.S \
-
-_LIBC_ARCH_STATIC_SRC_FILES := \
- bionic/dl_iterate_phdr_static.c \
-
-_LIBC_ARCH_DYNAMIC_SRC_FILES :=
arch-x86_64/bionic/syscall.S \
arch-x86_64/bionic/vfork.S \
string/memcmp16.c \
-
-_LIBC_ARCH_STATIC_SRC_FILES := \
- bionic/dl_iterate_phdr_static.c \
-
-_LIBC_ARCH_DYNAMIC_SRC_FILES :=
+++ /dev/null
-/*
- * Copyright (C) 2006 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * 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 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 OWNER 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.
- */
-
-#include <elf.h>
-#include <sys/auxv.h>
-#include <sys/types.h>
-#include <link.h>
-
-/* ld provides this to us in the default link script */
-extern void* __executable_start;
-
-int dl_iterate_phdr(int (*cb)(struct dl_phdr_info* info, size_t size, void* data), void* data) {
- Elf_Ehdr* ehdr = (Elf_Ehdr*) &__executable_start;
-
- // TODO: again, copied from linker.c. Find a better home for this later.
- if (ehdr->e_ident[EI_MAG0] != ELFMAG0) return -1;
- if (ehdr->e_ident[EI_MAG1] != ELFMAG1) return -1;
- if (ehdr->e_ident[EI_MAG2] != ELFMAG2) return -1;
- if (ehdr->e_ident[EI_MAG3] != ELFMAG3) return -1;
-
- // Dynamic binaries get their dl_iterate_phdr from the dynamic linker, but
- // static binaries get this. We don't have a list of shared objects to
- // iterate over, since there's really only a single monolithic blob of
- // code/data, plus optionally a VDSO.
-
- struct dl_phdr_info exe_info;
- exe_info.dlpi_addr = 0;
- exe_info.dlpi_name = NULL;
- exe_info.dlpi_phdr = (Elf_Phdr*) ((unsigned long) ehdr + ehdr->e_phoff);
- exe_info.dlpi_phnum = ehdr->e_phnum;
-
-#ifdef AT_SYSINFO_EHDR
- // Try the executable first.
- int rc = cb(&exe_info, sizeof(exe_info), data);
- if (rc != 0) {
- return rc;
- }
-
- // Try the VDSO if that didn't work.
- Elf_Ehdr* ehdr_vdso = (Elf_Ehdr*) getauxval(AT_SYSINFO_EHDR);
- struct dl_phdr_info vdso_info;
- vdso_info.dlpi_addr = 0;
- vdso_info.dlpi_name = NULL;
- vdso_info.dlpi_phdr = (Elf_Phdr*) ((char*) ehdr_vdso + ehdr_vdso->e_phoff);
- vdso_info.dlpi_phnum = ehdr_vdso->e_phnum;
- for (size_t i = 0; i < vdso_info.dlpi_phnum; ++i) {
- if (vdso_info.dlpi_phdr[i].p_type == PT_LOAD) {
- vdso_info.dlpi_addr = (Elf_Addr) ehdr_vdso - vdso_info.dlpi_phdr[i].p_vaddr;
- break;
- }
- }
- return cb(&vdso_info, sizeof(vdso_info), data);
-#else
- // There's only the executable to try.
- return cb(&exe_info, sizeof(exe_info), data);
-#endif
-}
--- /dev/null
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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 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 OWNER 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.
+ */
+
+#include <elf.h>
+#include <sys/auxv.h>
+#include <sys/types.h>
+#include <link.h>
+
+/* ld provides this to us in the default link script */
+extern "C" void* __executable_start;
+
+int dl_iterate_phdr(int (*cb)(struct dl_phdr_info* info, size_t size, void* data), void* data) {
+ ElfW(Ehdr)* ehdr = reinterpret_cast<ElfW(Ehdr)*>(&__executable_start);
+
+ // TODO: again, copied from linker.c. Find a better home for this later.
+ if (ehdr->e_ident[EI_MAG0] != ELFMAG0) return -1;
+ if (ehdr->e_ident[EI_MAG1] != ELFMAG1) return -1;
+ if (ehdr->e_ident[EI_MAG2] != ELFMAG2) return -1;
+ if (ehdr->e_ident[EI_MAG3] != ELFMAG3) return -1;
+
+ // Dynamic binaries get their dl_iterate_phdr from the dynamic linker, but
+ // static binaries get this. We don't have a list of shared objects to
+ // iterate over, since there's really only a single monolithic blob of
+ // code/data, plus optionally a VDSO.
+
+ struct dl_phdr_info exe_info;
+ exe_info.dlpi_addr = 0;
+ exe_info.dlpi_name = NULL;
+ exe_info.dlpi_phdr = reinterpret_cast<ElfW(Phdr)*>(reinterpret_cast<uintptr_t>(ehdr) + ehdr->e_phoff);
+ exe_info.dlpi_phnum = ehdr->e_phnum;
+
+#ifdef AT_SYSINFO_EHDR
+ // Try the executable first.
+ int rc = cb(&exe_info, sizeof(exe_info), data);
+ if (rc != 0) {
+ return rc;
+ }
+
+ // Try the VDSO if that didn't work.
+ ElfW(Ehdr)* ehdr_vdso = reinterpret_cast<ElfW(Ehdr)*>(getauxval(AT_SYSINFO_EHDR));
+ struct dl_phdr_info vdso_info;
+ vdso_info.dlpi_addr = 0;
+ vdso_info.dlpi_name = NULL;
+ vdso_info.dlpi_phdr = reinterpret_cast<ElfW(Phdr)*>(reinterpret_cast<char*>(ehdr_vdso) + ehdr_vdso->e_phoff);
+ vdso_info.dlpi_phnum = ehdr_vdso->e_phnum;
+ for (size_t i = 0; i < vdso_info.dlpi_phnum; ++i) {
+ if (vdso_info.dlpi_phdr[i].p_type == PT_LOAD) {
+ vdso_info.dlpi_addr = (ElfW(Addr)) ehdr_vdso - vdso_info.dlpi_phdr[i].p_vaddr;
+ break;
+ }
+ }
+ return cb(&vdso_info, sizeof(vdso_info), data);
+#else
+ // There's only the executable to try.
+ return cb(&exe_info, sizeof(exe_info), data);
+#endif
+}
#include <private/bionic_auxv.h>
#include <elf.h>
-__LIBC_HIDDEN__ Elf_auxv_t* __libc_auxv = NULL;
+__LIBC_HIDDEN__ ElfW(auxv_t)* __libc_auxv = NULL;
extern "C" unsigned long int getauxval(unsigned long int type) {
- for (Elf_auxv_t* v = __libc_auxv; v->a_type != AT_NULL; ++v) {
+ for (ElfW(auxv_t)* v = __libc_auxv; v->a_type != AT_NULL; ++v) {
if (v->a_type == type) {
return v->a_un.a_val;
}
}
static void apply_gnu_relro() {
- Elf_Phdr* phdr_start = reinterpret_cast<Elf_Phdr*>(getauxval(AT_PHDR));
+ ElfW(Phdr)* phdr_start = reinterpret_cast<ElfW(Phdr)*>(getauxval(AT_PHDR));
unsigned long int phdr_ct = getauxval(AT_PHNUM);
- for (Elf_Phdr* phdr = phdr_start; phdr < (phdr_start + phdr_ct); phdr++) {
+ for (ElfW(Phdr)* phdr = phdr_start; phdr < (phdr_start + phdr_ct); phdr++) {
if (phdr->p_type != PT_GNU_RELRO) {
continue;
}
- Elf_Addr seg_page_start = PAGE_START(phdr->p_vaddr);
- Elf_Addr seg_page_end = PAGE_END(phdr->p_vaddr + phdr->p_memsz);
+ ElfW(Addr) seg_page_start = PAGE_START(phdr->p_vaddr);
+ ElfW(Addr) seg_page_end = PAGE_END(phdr->p_vaddr + phdr->p_memsz);
// Check return value here? What do we do if we fail?
mprotect(reinterpret_cast<void*>(seg_page_start), seg_page_end - seg_page_start, PROT_READ);
#ifndef _ELF_H
#define _ELF_H
-#include <stdint.h>
#include <linux/auxvec.h>
+#include <linux/elf.h>
+#include <linux/elf-em.h>
-/* TODO: can we switch to <linux/elf.h> instead? http://b/12476126. */
-#include <sys/exec_elf.h>
+#include <machine/elf_machdep.h>
typedef struct {
- uint32_t a_type;
+ __u32 a_type;
union {
- uint32_t a_val;
+ __u32 a_val;
} a_un;
} Elf32_auxv_t;
typedef struct {
- uint64_t a_type;
+ __u64 a_type;
union {
- uint64_t a_val;
+ __u64 a_val;
} a_un;
} Elf64_auxv_t;
-#ifdef __LP64__
-# define Elf_auxv_t Elf64_auxv_t
-#else
-# define Elf_auxv_t Elf32_auxv_t
-#endif
+#define DF_ORIGIN 0x00000001
+#define DF_SYMBOLIC 0x00000002
+#define DF_TEXTREL 0x00000004
+#define DF_BIND_NOW 0x00000008
+#define DF_STATIC_TLS 0x00000010
-/* <sys/exec_elf.h> doesn't contain any NT_ constants. aarch64 strace needs this one. */
-#define NT_PRSTATUS 1
+#define DT_BIND_NOW 24
+#define DT_INIT_ARRAY 25
+#define DT_FINI_ARRAY 26
+#define DT_INIT_ARRAYSZ 27
+#define DT_FINI_ARRAYSZ 28
+#define DT_RUNPATH 29
+#define DT_FLAGS 30
+/* glibc and BSD disagree for DT_ENCODING; glibc looks wrong. */
+#define DT_PREINIT_ARRAY 32
+#define DT_PREINIT_ARRAYSZ 33
+
+#define ELFOSABI_SYSV 0 /* Synonym for ELFOSABI_NONE used by valgrind. */
+
+#define EM_ARM 40
+#define EM_AARCH64 183
+
+#define PT_GNU_RELRO 0x6474e552
+
+#define STB_LOOS 10
+#define STB_HIOS 12
+#define STB_LOPROC 13
+#define STB_HIPROC 15
+
+#define STT_LOOS 10
+#define STT_HIOS 12
+#define STT_LOPROC 13
+#define STT_HIPROC 15
#endif /* _ELF_H */
+++ /dev/null
-/* $NetBSD: exec_elf.h,v 1.131 2013/10/29 00:22:59 christos Exp $ */
-
-/*-
- * Copyright (c) 1994 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Christos Zoulas.
- *
- * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
- */
-
-#ifndef _SYS_EXEC_ELF_H_
-#define _SYS_EXEC_ELF_H_
-
-/*
- * The current ELF ABI specification is available at:
- * http://www.sco.com/developers/gabi/
- *
- * Current header definitions are in:
- * http://www.sco.com/developers/gabi/latest/ch4.eheader.html
- */
-
-#if defined(_KERNEL) || defined(_STANDALONE)
-#include <sys/types.h>
-#else
-#include <inttypes.h>
-#endif /* _KERNEL || _STANDALONE */
-
-#if HAVE_NBTOOL_CONFIG_H
-#include <nbinclude/machine/elf_machdep.h>
-#else
-#include <machine/elf_machdep.h>
-#endif
-
-typedef uint8_t Elf_Byte;
-
-typedef uint32_t Elf32_Addr;
-#define ELF32_FSZ_ADDR 4
-typedef uint32_t Elf32_Off;
-typedef int32_t Elf32_SOff;
-#define ELF32_FSZ_OFF 4
-typedef int32_t Elf32_Sword;
-#define ELF32_FSZ_SWORD 4
-typedef uint32_t Elf32_Word;
-#define ELF32_FSZ_WORD 4
-typedef uint16_t Elf32_Half;
-#define ELF32_FSZ_HALF 2
-typedef uint64_t Elf32_Lword;
-#define ELF32_FSZ_LWORD 8
-
-typedef uint64_t Elf64_Addr;
-#define ELF64_FSZ_ADDR 8
-typedef uint64_t Elf64_Off;
-typedef int64_t Elf64_SOff;
-#define ELF64_FSZ_OFF 8
-typedef int32_t Elf64_Shalf;
-#define ELF64_FSZ_SHALF 4
-
-typedef int32_t Elf64_Sword;
-#define ELF64_FSZ_SWORD 4
-typedef uint32_t Elf64_Word;
-#define ELF64_FSZ_WORD 4
-
-typedef int64_t Elf64_Sxword;
-#define ELF64_FSZ_SXWORD 8
-typedef uint64_t Elf64_Xword;
-#define ELF64_FSZ_XWORD 8
-typedef uint64_t Elf64_Lword;
-#define ELF64_FSZ_LWORD 8
-typedef uint16_t Elf64_Half;
-#define ELF64_FSZ_HALF 2
-
-/*
- * ELF Header
- */
-#define ELF_NIDENT 16
-
-typedef struct {
- unsigned char e_ident[ELF_NIDENT]; /* Id bytes */
- Elf32_Half e_type; /* file type */
- Elf32_Half e_machine; /* machine type */
- Elf32_Word e_version; /* version number */
- Elf32_Addr e_entry; /* entry point */
- Elf32_Off e_phoff; /* Program hdr offset */
- Elf32_Off e_shoff; /* Section hdr offset */
- Elf32_Word e_flags; /* Processor flags */
- Elf32_Half e_ehsize; /* sizeof ehdr */
- Elf32_Half e_phentsize; /* Program header entry size */
- Elf32_Half e_phnum; /* Number of program headers */
- Elf32_Half e_shentsize; /* Section header entry size */
- Elf32_Half e_shnum; /* Number of section headers */
- Elf32_Half e_shstrndx; /* String table index */
-} Elf32_Ehdr;
-
-typedef struct {
- unsigned char e_ident[ELF_NIDENT]; /* Id bytes */
- Elf64_Half e_type; /* file type */
- Elf64_Half e_machine; /* machine type */
- Elf64_Word e_version; /* version number */
- Elf64_Addr e_entry; /* entry point */
- Elf64_Off e_phoff; /* Program hdr offset */
- Elf64_Off e_shoff; /* Section hdr offset */
- Elf64_Word e_flags; /* Processor flags */
- Elf64_Half e_ehsize; /* sizeof ehdr */
- Elf64_Half e_phentsize; /* Program header entry size */
- Elf64_Half e_phnum; /* Number of program headers */
- Elf64_Half e_shentsize; /* Section header entry size */
- Elf64_Half e_shnum; /* Number of section headers */
- Elf64_Half e_shstrndx; /* String table index */
-} Elf64_Ehdr;
-
-/* e_ident offsets */
-#define EI_MAG0 0 /* '\177' */
-#define EI_MAG1 1 /* 'E' */
-#define EI_MAG2 2 /* 'L' */
-#define EI_MAG3 3 /* 'F' */
-#define EI_CLASS 4 /* File class */
-#define EI_DATA 5 /* Data encoding */
-#define EI_VERSION 6 /* File version */
-#define EI_OSABI 7 /* Operating system/ABI identification */
-#define EI_ABIVERSION 8 /* ABI version */
-#define EI_PAD 9 /* Start of padding bytes up to EI_NIDENT*/
-#define EI_NIDENT 16 /* First non-ident header byte */
-
-/* e_ident[EI_MAG0,EI_MAG3] */
-#define ELFMAG0 0x7f
-#define ELFMAG1 'E'
-#define ELFMAG2 'L'
-#define ELFMAG3 'F'
-#define ELFMAG "\177ELF"
-#define SELFMAG 4
-
-/* e_ident[EI_CLASS] */
-#define ELFCLASSNONE 0 /* Invalid class */
-#define ELFCLASS32 1 /* 32-bit objects */
-#define ELFCLASS64 2 /* 64-bit objects */
-#define ELFCLASSNUM 3
-
-/* e_ident[EI_DATA] */
-#define ELFDATANONE 0 /* Invalid data encoding */
-#define ELFDATA2LSB 1 /* 2's complement values, LSB first */
-#define ELFDATA2MSB 2 /* 2's complement values, MSB first */
-
-/* e_ident[EI_VERSION] */
-#define EV_NONE 0 /* Invalid version */
-#define EV_CURRENT 1 /* Current version */
-#define EV_NUM 2
-
-/* e_ident[EI_OSABI] */
-#define ELFOSABI_SYSV 0 /* UNIX System V ABI */
-#define ELFOSABI_HPUX 1 /* HP-UX operating system */
-#define ELFOSABI_NETBSD 2 /* NetBSD */
-#define ELFOSABI_LINUX 3 /* GNU/Linux */
-#define ELFOSABI_HURD 4 /* GNU/Hurd */
-#define ELFOSABI_86OPEN 5 /* 86Open */
-#define ELFOSABI_SOLARIS 6 /* Solaris */
-#define ELFOSABI_MONTEREY 7 /* Monterey */
-#define ELFOSABI_IRIX 8 /* IRIX */
-#define ELFOSABI_FREEBSD 9 /* FreeBSD */
-#define ELFOSABI_TRU64 10 /* TRU64 UNIX */
-#define ELFOSABI_MODESTO 11 /* Novell Modesto */
-#define ELFOSABI_OPENBSD 12 /* OpenBSD */
-#define ELFOSABI_OPENVMS 13 /* OpenVMS */
-#define ELFOSABI_NSK 14 /* HP Non-Stop Kernel */
-#define ELFOSABI_AROS 15 /* Amiga Research OS */
-/* Unofficial OSABIs follow */
-#define ELFOSABI_ARM 97 /* ARM */
-#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
-
-#define ELFOSABI_NONE ELFOSABI_SYSV
-#define ELFOSABI_AIX ELFOSABI_MONTEREY
-
-/* e_type */
-#define ET_NONE 0 /* No file type */
-#define ET_REL 1 /* Relocatable file */
-#define ET_EXEC 2 /* Executable file */
-#define ET_DYN 3 /* Shared object file */
-#define ET_CORE 4 /* Core file */
-#define ET_NUM 5
-
-#define ET_LOOS 0xfe00 /* Operating system specific range */
-#define ET_HIOS 0xfeff
-#define ET_LOPROC 0xff00 /* Processor-specific range */
-#define ET_HIPROC 0xffff
-
-/* e_machine */
-#define EM_NONE 0 /* No machine */
-#define EM_M32 1 /* AT&T WE 32100 */
-#define EM_SPARC 2 /* SPARC */
-#define EM_386 3 /* Intel 80386 */
-#define EM_68K 4 /* Motorola 68000 */
-#define EM_88K 5 /* Motorola 88000 */
-#define EM_486 6 /* Intel 80486 */
-#define EM_860 7 /* Intel 80860 */
-#define EM_MIPS 8 /* MIPS I Architecture */
-#define EM_S370 9 /* Amdahl UTS on System/370 */
-#define EM_MIPS_RS3_LE 10 /* MIPS RS3000 Little-endian */
- /* 11-14 - Reserved */
-#define EM_RS6000 11 /* IBM RS/6000 XXX reserved */
-#define EM_PARISC 15 /* Hewlett-Packard PA-RISC */
-#define EM_NCUBE 16 /* NCube XXX reserved */
-#define EM_VPP500 17 /* Fujitsu VPP500 */
-#define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */
-#define EM_960 19 /* Intel 80960 */
-#define EM_PPC 20 /* PowerPC */
-#define EM_PPC64 21 /* 64-bit PowerPC */
- /* 22-35 - Reserved */
-#define EM_S390 22 /* System/390 XXX reserved */
-#define EM_V800 36 /* NEC V800 */
-#define EM_FR20 37 /* Fujitsu FR20 */
-#define EM_RH32 38 /* TRW RH-32 */
-#define EM_RCE 39 /* Motorola RCE */
-#define EM_ARM 40 /* Advanced RISC Machines ARM */
-#define EM_ALPHA 41 /* DIGITAL Alpha */
-#define EM_SH 42 /* Hitachi Super-H */
-#define EM_SPARCV9 43 /* SPARC Version 9 */
-#define EM_TRICORE 44 /* Siemens Tricore */
-#define EM_ARC 45 /* Argonaut RISC Core */
-#define EM_H8_300 46 /* Hitachi H8/300 */
-#define EM_H8_300H 47 /* Hitachi H8/300H */
-#define EM_H8S 48 /* Hitachi H8S */
-#define EM_H8_500 49 /* Hitachi H8/500 */
-#define EM_IA_64 50 /* Intel Merced Processor */
-#define EM_MIPS_X 51 /* Stanford MIPS-X */
-#define EM_COLDFIRE 52 /* Motorola Coldfire */
-#define EM_68HC12 53 /* Motorola MC68HC12 */
-#define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator */
-#define EM_PCP 55 /* Siemens PCP */
-#define EM_NCPU 56 /* Sony nCPU embedded RISC processor */
-#define EM_NDR1 57 /* Denso NDR1 microprocessor */
-#define EM_STARCORE 58 /* Motorola Star*Core processor */
-#define EM_ME16 59 /* Toyota ME16 processor */
-#define EM_ST100 60 /* STMicroelectronics ST100 processor */
-#define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded family processor */
-#define EM_X86_64 62 /* AMD x86-64 architecture */
-#define EM_PDSP 63 /* Sony DSP Processor */
-#define EM_PDP10 64 /* Digital Equipment Corp. PDP-10 */
-#define EM_PDP11 65 /* Digital Equipment Corp. PDP-11 */
-#define EM_FX66 66 /* Siemens FX66 microcontroller */
-#define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */
-#define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */
-#define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */
-#define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */
-#define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */
-#define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */
-#define EM_SVX 73 /* Silicon Graphics SVx */
-#define EM_ST19 74 /* STMicroelectronics ST19 8-bit CPU */
-#define EM_VAX 75 /* Digital VAX */
-#define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
-#define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded CPU */
-#define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */
-#define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */
-#define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */
-#define EM_HUANY 81 /* Harvard's machine-independent format */
-#define EM_PRISM 82 /* SiTera Prism */
-#define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
-#define EM_FR30 84 /* Fujitsu FR30 */
-#define EM_D10V 85 /* Mitsubishi D10V */
-#define EM_D30V 86 /* Mitsubishi D30V */
-#define EM_V850 87 /* NEC v850 */
-#define EM_M32R 88 /* Mitsubishi M32R */
-#define EM_MN10300 89 /* Matsushita MN10300 */
-#define EM_MN10200 90 /* Matsushita MN10200 */
-#define EM_PJ 91 /* picoJava */
-#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */
-#define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
-#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
-#define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor */
-#define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Processor */
-#define EM_NS32K 97 /* National Semiconductor 32000 series */
-#define EM_TPC 98 /* Tenor Network TPC processor */
-#define EM_SNP1K 99 /* Trebia SNP 1000 processor */
-#define EM_ST200 100 /* STMicroelectronics ST200 microcontroller */
-#define EM_IP2K 101 /* Ubicom IP2xxx microcontroller family */
-#define EM_MAX 102 /* MAX processor */
-#define EM_CR 103 /* National Semiconductor CompactRISC micorprocessor */
-#define EM_F2MC16 104 /* Fujitsu F2MC16 */
-#define EM_MSP430 105 /* Texas Instruments MSP430 */
-#define EM_BLACKFIN 106 /* Analog Devices Blackfin DSP */
-#define EM_SE_C33 107 /* Seiko Epson S1C33 family */
-#define EM_SEP 108 /* Sharp embedded microprocessor */
-#define EM_ARCA 109 /* Arca RISC microprocessor */
-#define EM_UNICORE 110 /* UNICORE from PKU-Unity Ltd. and MPRC Peking University */
-#define EM_AARCH64 183 /* AArch64 64-bit ARM microprocessor */
-
-/* Unofficial machine types follow */
-#define EM_AVR32 6317 /* used by NetBSD/avr32 */
-#define EM_ALPHA_EXP 36902 /* used by NetBSD/alpha; obsolete */
-#define EM_NUM 36903
-
-/*
- * Program Header
- */
-typedef struct {
- Elf32_Word p_type; /* entry type */
- Elf32_Off p_offset; /* offset */
- Elf32_Addr p_vaddr; /* virtual address */
- Elf32_Addr p_paddr; /* physical address */
- Elf32_Word p_filesz; /* file size */
- Elf32_Word p_memsz; /* memory size */
- Elf32_Word p_flags; /* flags */
- Elf32_Word p_align; /* memory & file alignment */
-} Elf32_Phdr;
-
-typedef struct {
- Elf64_Word p_type; /* entry type */
- Elf64_Word p_flags; /* flags */
- Elf64_Off p_offset; /* offset */
- Elf64_Addr p_vaddr; /* virtual address */
- Elf64_Addr p_paddr; /* physical address */
- Elf64_Xword p_filesz; /* file size */
- Elf64_Xword p_memsz; /* memory size */
- Elf64_Xword p_align; /* memory & file alignment */
-} Elf64_Phdr;
-
-/* p_type */
-#define PT_NULL 0 /* Program header table entry unused */
-#define PT_LOAD 1 /* Loadable program segment */
-#define PT_DYNAMIC 2 /* Dynamic linking information */
-#define PT_INTERP 3 /* Program interpreter */
-#define PT_NOTE 4 /* Auxiliary information */
-#define PT_SHLIB 5 /* Reserved, unspecified semantics */
-#define PT_PHDR 6 /* Entry for header table itself */
-#define PT_TLS 7 /* TLS initialisation image */
-#define PT_NUM 8
-
-#define PT_LOOS 0x60000000 /* OS-specific range */
-
-/* GNU-specific */
-#define PT_GNU_EH_FRAME 0x6474e550 /* EH frame segment */
-#define PT_GNU_STACK 0x6474e551 /* Indicate executable stack */
-#define PT_GNU_RELRO 0x6474e552 /* Make read-only after relocation */
-
-#define PT_HIOS 0x6fffffff
-#define PT_LOPROC 0x70000000 /* Processor-specific range */
-#define PT_HIPROC 0x7fffffff
-
-#define PT_MIPS_REGINFO 0x70000000
-
-/* p_flags */
-#define PF_R 0x4 /* Segment is readable */
-#define PF_W 0x2 /* Segment is writable */
-#define PF_X 0x1 /* Segment is executable */
-
-#define PF_MASKOS 0x0ff00000 /* Operating system specific values */
-#define PF_MASKPROC 0xf0000000 /* Processor-specific values */
-
-/* Extended program header index. */
-#define PN_XNUM 0xffff
-
-/*
- * Section Headers
- */
-typedef struct {
- Elf32_Word sh_name; /* section name (.shstrtab index) */
- Elf32_Word sh_type; /* section type */
- Elf32_Word sh_flags; /* section flags */
- Elf32_Addr sh_addr; /* virtual address */
- Elf32_Off sh_offset; /* file offset */
- Elf32_Word sh_size; /* section size */
- Elf32_Word sh_link; /* link to another */
- Elf32_Word sh_info; /* misc info */
- Elf32_Word sh_addralign; /* memory alignment */
- Elf32_Word sh_entsize; /* table entry size */
-} Elf32_Shdr;
-
-typedef struct {
- Elf64_Word sh_name; /* section name (.shstrtab index) */
- Elf64_Word sh_type; /* section type */
- Elf64_Xword sh_flags; /* section flags */
- Elf64_Addr sh_addr; /* virtual address */
- Elf64_Off sh_offset; /* file offset */
- Elf64_Xword sh_size; /* section size */
- Elf64_Word sh_link; /* link to another */
- Elf64_Word sh_info; /* misc info */
- Elf64_Xword sh_addralign; /* memory alignment */
- Elf64_Xword sh_entsize; /* table entry size */
-} Elf64_Shdr;
-
-/* sh_type */
-#define SHT_NULL 0 /* Section header table entry unused */
-#define SHT_PROGBITS 1 /* Program information */
-#define SHT_SYMTAB 2 /* Symbol table */
-#define SHT_STRTAB 3 /* String table */
-#define SHT_RELA 4 /* Relocation information w/ addend */
-#define SHT_HASH 5 /* Symbol hash table */
-#define SHT_DYNAMIC 6 /* Dynamic linking information */
-#define SHT_NOTE 7 /* Auxiliary information */
-#define SHT_NOBITS 8 /* No space allocated in file image */
-#define SHT_REL 9 /* Relocation information w/o addend */
-#define SHT_SHLIB 10 /* Reserved, unspecified semantics */
-#define SHT_DYNSYM 11 /* Symbol table for dynamic linker */
-#define SHT_INIT_ARRAY 14 /* Initialization function pointers */
-#define SHT_FINI_ARRAY 15 /* Termination function pointers */
-#define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs */
-#define SHT_GROUP 17 /* Section group */
-#define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX) */
-#define SHT_NUM 19
-
-#define SHT_LOOS 0x60000000 /* Operating system specific range */
-#define SHT_GNU_HASH 0x6ffffff6 /* GNU style symbol hash table */
-#define SHT_SUNW_move 0x6ffffffa
-#define SHT_SUNW_syminfo 0x6ffffffc
-#define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */
-#define SHT_GNU_verdef SHT_SUNW_verdef
-#define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */
-#define SHT_GNU_verneed SHT_SUNW_verneed
-#define SHT_SUNW_versym 0x6fffffff /* Symbol versions */
-#define SHT_GNU_versym SHT_SUNW_versym
-#define SHT_HIOS 0x6fffffff
-#define SHT_LOPROC 0x70000000 /* Processor-specific range */
-#define SHT_AMD64_UNWIND 0x70000001 /* unwind information */
-#define SHT_ARM_EXIDX 0x70000001 /* exception index table */
-#define SHT_ARM_PREEMPTMAP 0x70000002 /* BPABI DLL dynamic linking
- * pre-emption map */
-#define SHT_ARM_ATTRIBUTES 0x70000003 /* Object file compatibility
- * attributes */
-#define SHT_ARM_DEBUGOVERLAY 0x70000004 /* See DBGOVL for details */
-#define SHT_ARM_OVERLAYSECTION 0x70000005
-#define SHT_HIPROC 0x7fffffff
-#define SHT_LOUSER 0x80000000 /* Application-specific range */
-#define SHT_HIUSER 0xffffffff
-
-/* sh_flags */
-#define SHF_WRITE 0x00000001 /* Contains writable data */
-#define SHF_ALLOC 0x00000002 /* Occupies memory */
-#define SHF_EXECINSTR 0x00000004 /* Contains executable insns */
-#define SHF_MERGE 0x00000010 /* Might be merged */
-#define SHF_STRINGS 0x00000020 /* Contains nul terminated strings */
-#define SHF_INFO_LINK 0x00000040 /* "sh_info" contains SHT index */
-#define SHF_LINK_ORDER 0x00000080 /* Preserve order after combining */
-#define SHF_OS_NONCONFORMING 0x00000100 /* OS specific handling required */
-#define SHF_GROUP 0x00000200 /* Is member of a group */
-#define SHF_TLS 0x00000400 /* Holds thread-local data */
-#define SHF_MASKOS 0x0ff00000 /* Operating system specific values */
-#define SHF_MASKPROC 0xf0000000 /* Processor-specific values */
-#define SHF_ORDERED 0x40000000 /* Ordering requirement (Solaris) */
-#define SHF_EXCLUDE 0x80000000 /* Excluded unless unles ref/alloc
- (Solaris).*/
-/*
- * Symbol Table
- */
-typedef struct {
- Elf32_Word st_name; /* Symbol name (.strtab index) */
- Elf32_Word st_value; /* value of symbol */
- Elf32_Word st_size; /* size of symbol */
- Elf_Byte st_info; /* type / binding attrs */
- Elf_Byte st_other; /* unused */
- Elf32_Half st_shndx; /* section index of symbol */
-} Elf32_Sym;
-
-typedef struct {
- Elf64_Word st_name; /* Symbol name (.strtab index) */
- Elf_Byte st_info; /* type / binding attrs */
- Elf_Byte st_other; /* unused */
- Elf64_Half st_shndx; /* section index of symbol */
- Elf64_Addr st_value; /* value of symbol */
- Elf64_Xword st_size; /* size of symbol */
-} Elf64_Sym;
-
-/* Symbol Table index of the undefined symbol */
-#define ELF_SYM_UNDEFINED 0
-
-#define STN_UNDEF 0 /* undefined index */
-
-/* st_info: Symbol Bindings */
-#define STB_LOCAL 0 /* local symbol */
-#define STB_GLOBAL 1 /* global symbol */
-#define STB_WEAK 2 /* weakly defined global symbol */
-#define STB_NUM 3
-
-#define STB_LOOS 10 /* Operating system specific range */
-#define STB_HIOS 12
-#define STB_LOPROC 13 /* Processor-specific range */
-#define STB_HIPROC 15
-
-/* st_info: Symbol Types */
-#define STT_NOTYPE 0 /* Type not specified */
-#define STT_OBJECT 1 /* Associated with a data object */
-#define STT_FUNC 2 /* Associated with a function */
-#define STT_SECTION 3 /* Associated with a section */
-#define STT_FILE 4 /* Associated with a file name */
-#define STT_COMMON 5 /* Uninitialised common block */
-#define STT_TLS 6 /* Thread local data object */
-#define STT_NUM 7
-
-#define STT_LOOS 10 /* Operating system specific range */
-#define STT_HIOS 12
-#define STT_LOPROC 13 /* Processor-specific range */
-#define STT_HIPROC 15
-
-/* st_other: Visibility Types */
-#define STV_DEFAULT 0 /* use binding type */
-#define STV_INTERNAL 1 /* not referenced from outside */
-#define STV_HIDDEN 2 /* not visible, may be used via ptr */
-#define STV_PROTECTED 3 /* visible, not preemptible */
-#define STV_EXPORTED 4
-#define STV_SINGLETON 5
-#define STV_ELIMINATE 6
-
-/* st_info/st_other utility macros */
-#define ELF_ST_BIND(info) ((uint32_t)(info) >> 4)
-#define ELF_ST_TYPE(info) ((uint32_t)(info) & 0xf)
-#define ELF_ST_INFO(bind,type) ((Elf_Byte)(((bind) << 4) | \
- ((type) & 0xf)))
-#define ELF_ST_VISIBILITY(other) ((uint32_t)(other) & 3)
-
-/*
- * Special section indexes
- */
-#define SHN_UNDEF 0 /* Undefined section */
-
-#define SHN_LORESERVE 0xff00 /* Reserved range */
-#define SHN_ABS 0xfff1 /* Absolute symbols */
-#define SHN_COMMON 0xfff2 /* Common symbols */
-#define SHN_XINDEX 0xffff /* Escape -- index stored elsewhere */
-#define SHN_HIRESERVE 0xffff
-
-#define SHN_LOPROC 0xff00 /* Processor-specific range */
-#define SHN_HIPROC 0xff1f
-#define SHN_LOOS 0xff20 /* Operating system specific range */
-#define SHN_HIOS 0xff3f
-
-#define SHN_MIPS_ACOMMON 0xff00
-#define SHN_MIPS_TEXT 0xff01
-#define SHN_MIPS_DATA 0xff02
-#define SHN_MIPS_SCOMMON 0xff03
-
-/*
- * Relocation Entries
- */
-typedef struct {
- Elf32_Word r_offset; /* where to do it */
- Elf32_Word r_info; /* index & type of relocation */
-} Elf32_Rel;
-
-typedef struct {
- Elf32_Word r_offset; /* where to do it */
- Elf32_Word r_info; /* index & type of relocation */
- Elf32_Sword r_addend; /* adjustment value */
-} Elf32_Rela;
-
-/* r_info utility macros */
-#define ELF32_R_SYM(info) ((info) >> 8)
-#define ELF32_R_TYPE(info) ((info) & 0xff)
-#define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type))
-
-typedef struct {
- Elf64_Addr r_offset; /* where to do it */
- Elf64_Xword r_info; /* index & type of relocation */
-} Elf64_Rel;
-
-typedef struct {
- Elf64_Addr r_offset; /* where to do it */
- Elf64_Xword r_info; /* index & type of relocation */
- Elf64_Sxword r_addend; /* adjustment value */
-} Elf64_Rela;
-
-/* r_info utility macros */
-#define ELF64_R_SYM(info) ((info) >> 32)
-#define ELF64_R_TYPE(info) ((info) & 0xffffffff)
-#define ELF64_R_INFO(sym,type) (((sym) << 32) + (type))
-
-/*
- * Move entries
- */
-typedef struct {
- Elf32_Lword m_value; /* symbol value */
- Elf32_Word m_info; /* size + index */
- Elf32_Word m_poffset; /* symbol offset */
- Elf32_Half m_repeat; /* repeat count */
- Elf32_Half m_stride; /* stride info */
-} Elf32_Move;
-
-#define ELF32_M_SYM(info) ((info) >> 8)
-#define ELF32_M_SIZE(info) ((info) & 0xff)
-#define ELF32_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size))
-
-typedef struct {
- Elf64_Lword m_value; /* symbol value */
- Elf64_Xword m_info; /* size + index */
- Elf64_Xword m_poffset; /* symbol offset */
- Elf64_Word m_repeat; /* repeat count */
- Elf64_Word m_stride; /* stride info */
-} Elf64_Move;
-
-#define ELF64_M_SYM(info) ((info) >> 8)
-#define ELF64_M_SIZE(info) ((info) & 0xff)
-#define ELF64_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size))
-
-/*
- * Hardware/software capabilities entry
- */
-typedef struct {
- Elf32_Word c_tag; /* entry tag value */
- union {
- Elf32_Addr c_ptr;
- Elf32_Word c_val;
- } c_un;
-} Elf32_Cap;
-
-typedef struct {
- Elf64_Xword c_tag; /* entry tag value */
- union {
- Elf64_Addr c_ptr;
- Elf64_Xword c_val;
- } c_un;
-} Elf64_Cap;
-
-/*
- * Dynamic Section structure array
- */
-typedef struct {
- Elf32_Word d_tag; /* entry tag value */
- union {
- Elf32_Addr d_ptr;
- Elf32_Word d_val;
- } d_un;
-} Elf32_Dyn;
-
-typedef struct {
- Elf64_Xword d_tag; /* entry tag value */
- union {
- Elf64_Addr d_ptr;
- Elf64_Xword d_val;
- } d_un;
-} Elf64_Dyn;
-
-/* d_tag */
-#define DT_NULL 0 /* Marks end of dynamic array */
-#define DT_NEEDED 1 /* Name of needed library (DT_STRTAB offset) */
-#define DT_PLTRELSZ 2 /* Size, in bytes, of relocations in PLT */
-#define DT_PLTGOT 3 /* Address of PLT and/or GOT */
-#define DT_HASH 4 /* Address of symbol hash table */
-#define DT_STRTAB 5 /* Address of string table */
-#define DT_SYMTAB 6 /* Address of symbol table */
-#define DT_RELA 7 /* Address of Rela relocation table */
-#define DT_RELASZ 8 /* Size, in bytes, of DT_RELA table */
-#define DT_RELAENT 9 /* Size, in bytes, of one DT_RELA entry */
-#define DT_STRSZ 10 /* Size, in bytes, of DT_STRTAB table */
-#define DT_SYMENT 11 /* Size, in bytes, of one DT_SYMTAB entry */
-#define DT_INIT 12 /* Address of initialization function */
-#define DT_FINI 13 /* Address of termination function */
-#define DT_SONAME 14 /* Shared object name (DT_STRTAB offset) */
-#define DT_RPATH 15 /* Library search path (DT_STRTAB offset) */
-#define DT_SYMBOLIC 16 /* Start symbol search within local object */
-#define DT_REL 17 /* Address of Rel relocation table */
-#define DT_RELSZ 18 /* Size, in bytes, of DT_REL table */
-#define DT_RELENT 19 /* Size, in bytes, of one DT_REL entry */
-#define DT_PLTREL 20 /* Type of PLT relocation entries */
-#define DT_DEBUG 21 /* Used for debugging; unspecified */
-#define DT_TEXTREL 22 /* Relocations might modify non-writable seg */
-#define DT_JMPREL 23 /* Address of relocations associated with PLT */
-#define DT_BIND_NOW 24 /* Process all relocations at load-time */
-#define DT_INIT_ARRAY 25 /* Address of initialization function array */
-#define DT_FINI_ARRAY 26 /* Size, in bytes, of DT_INIT_ARRAY array */
-#define DT_INIT_ARRAYSZ 27 /* Address of termination function array */
-#define DT_FINI_ARRAYSZ 28 /* Size, in bytes, of DT_FINI_ARRAY array*/
-#define DT_RUNPATH 29 /* overrides DT_RPATH */
-#define DT_FLAGS 30 /* Encodes ORIGIN, SYMBOLIC, TEXTREL, BIND_NOW, STATIC_TLS */
-#define DT_ENCODING 31 /* ??? */
-#define DT_PREINIT_ARRAY 32 /* Address of pre-init function array */
-#define DT_PREINIT_ARRAYSZ 33 /* Size, in bytes, of DT_PREINIT_ARRAY array */
-#define DT_NUM 34
-
-#define DT_LOOS 0x60000000 /* Operating system specific range */
-#define DT_VERSYM 0x6ffffff0 /* Symbol versions */
-#define DT_FLAGS_1 0x6ffffffb /* ELF dynamic flags */
-#define DT_VERDEF 0x6ffffffc /* Versions defined by file */
-#define DT_VERDEFNUM 0x6ffffffd /* Number of versions defined by file */
-#define DT_VERNEED 0x6ffffffe /* Versions needed by file */
-#define DT_VERNEEDNUM 0x6fffffff /* Number of versions needed by file */
-#define DT_HIOS 0x6fffffff
-#define DT_LOPROC 0x70000000 /* Processor-specific range */
-#define DT_HIPROC 0x7fffffff
-
-/* Flag values for DT_FLAGS */
-#define DF_ORIGIN 0x00000001 /* uses $ORIGIN */
-#define DF_SYMBOLIC 0x00000002 /* */
-#define DF_TEXTREL 0x00000004 /* */
-#define DF_BIND_NOW 0x00000008 /* */
-#define DF_STATICT_LS 0x00000010 /* */
-
-/* Flag values for DT_FLAGS_1 (incomplete) */
-#define DF_1_BIND_NOW 0x00000001 /* Same as DF_BIND_NOW */
-#define DF_1_NODELETE 0x00000008 /* Set the RTLD_NODELETE for object */
-#define DF_1_INITFIRST 0x00000020 /* Object's init/fini take priority */
-#define DF_1_NOOPEN 0x00000040 /* Do not allow loading on dlopen() */
-
-/*
- * Auxiliary Vectors
- */
-typedef struct {
- Elf32_Word a_type; /* 32-bit id */
- Elf32_Word a_v; /* 32-bit id */
-} Aux32Info;
-
-typedef struct {
- Elf64_Word a_type; /* 32-bit id */
- Elf64_Xword a_v; /* 64-bit id */
-} Aux64Info;
-
-/* BEGIN android-changed: these constants should come from <linux/auxvec.h>. */
-#if 0
-/* a_type */
-#define AT_NULL 0 /* Marks end of array */
-#define AT_IGNORE 1 /* No meaning, a_un is undefined */
-#define AT_EXECFD 2 /* Open file descriptor of object file */
-#define AT_PHDR 3 /* &phdr[0] */
-#define AT_PHENT 4 /* sizeof(phdr[0]) */
-#define AT_PHNUM 5 /* # phdr entries */
-#define AT_PAGESZ 6 /* PAGESIZE */
-#define AT_BASE 7 /* Interpreter base addr */
-#define AT_FLAGS 8 /* Processor flags */
-#define AT_ENTRY 9 /* Entry address of executable */
-#define AT_DCACHEBSIZE 10 /* Data cache block size */
-#define AT_ICACHEBSIZE 11 /* Instruction cache block size */
-#define AT_UCACHEBSIZE 12 /* Unified cache block size */
-#define AT_STACKBASE 13 /* Base address of the main thread */
-
- /* Vendor specific */
-#define AT_MIPS_NOTELF 10 /* XXX a_val != 0 -> MIPS XCOFF executable */
-
-#define AT_EUID 2000 /* euid (solaris compatible numbers) */
-#define AT_RUID 2001 /* ruid (solaris compatible numbers) */
-#define AT_EGID 2002 /* egid (solaris compatible numbers) */
-#define AT_RGID 2003 /* rgid (solaris compatible numbers) */
-
- /* Solaris kernel specific */
-#define AT_SUN_LDELF 2004 /* dynamic linker's ELF header */
-#define AT_SUN_LDSHDR 2005 /* dynamic linker's section header */
-#define AT_SUN_LDNAME 2006 /* dynamic linker's name */
-#define AT_SUN_LPGSIZE 2007 /* large pagesize */
-
- /* Other information */
-#define AT_SUN_PLATFORM 2008 /* sysinfo(SI_PLATFORM) */
-#define AT_SUN_HWCAP 2009 /* process hardware capabilities */
-#define AT_SUN_IFLUSH 2010 /* do we need to flush the instruction cache? */
-#define AT_SUN_CPU 2011 /* CPU name */
- /* ibcs2 emulation band aid */
-#define AT_SUN_EMUL_ENTRY 2012 /* coff entry point */
-#define AT_SUN_EMUL_EXECFD 2013 /* coff file descriptor */
- /* Executable's fully resolved name */
-#define AT_SUN_EXECNAME 2014
-#endif
-/* END android-changed */
-
-/*
- * Note Headers
- */
-typedef struct {
- Elf32_Word n_namesz;
- Elf32_Word n_descsz;
- Elf32_Word n_type;
-} Elf32_Nhdr;
-
-typedef struct {
- Elf64_Word n_namesz;
- Elf64_Word n_descsz;
- Elf64_Word n_type;
-} Elf64_Nhdr;
-
-#define ELF_NOTE_GNU_NAMESZ 4
-#define ELF_NOTE_GNU_NAME "GNU\0"
-
-/*
- * GNU-specific note type: ABI tag
- * name: GNU\0
- * namesz: 4
- * desc:
- * word[0]: OS tag
- * word[1]: major version
- * word[2]: minor version
- * word[3]: teeny version
- * descsz: 16
- */
-/* GNU-specific note name and description sizes */
-#define ELF_NOTE_TYPE_ABI_TAG 1
-#define ELF_NOTE_ABI_NAME ELF_NOTE_GNU_NAME
-#define ELF_NOTE_ABI_NAMESZ ELF_NOTE_GNU_NAMESZ
-#define ELF_NOTE_ABI_DESCSZ 16
-/* GNU-specific OS/version value stuff */
-#define ELF_NOTE_ABI_OS_LINUX 0
-#define ELF_NOTE_ABI_OS_HURD 1
-#define ELF_NOTE_ABI_OS_SOLARIS 2
-#define ELF_NOTE_ABI_OS_KFREEBSD 3
-#define ELF_NOTE_ABI_OS_KNETBSD 4
-
-/*
- * GNU-specific note type: Hardware capabilities
- * name: GNU\0
- * namesz: 4
- * desc:
- * word[0]: Number of entries
- * word[1]: Bitmask of enabled entries
- * Followed by a byte id, and a NUL terminated string per entry
- * descsz: variable
- */
-#define ELF_NOTE_TYPE_GNU_HWCAP 2
-
-/*
- * GNU-specific note type: Build ID generated by ld
- * name: GNU\0
- * desc:
- * word[0..4] SHA1 [default]
- * or
- * word[0..3] md5 or uuid
- * descsz: 16 or 20
- */
-#define ELF_NOTE_TYPE_GNU_BUILD_ID 3
-
-/* SuSE-specific note type: ABI
- * name: SuSE\0
- * namesz: 5
- * desc:
- * half[0] = MMmm
- *
- * M = product major version
- * m = product minor version
- * descsz: 2
- */
-#define ELF_NOTE_TYPE_SUSE_TAG 1
-/* SuSE-specific note name and description sizes */
-#define ELF_NOTE_SUSE_NAMESZ 5
-#define ELF_NOTE_SUSE_DESCSZ 2
-/* SuSE-specific note name */
-#define ELF_NOTE_SUSE_NAME "SuSE\0"
-
-/* SuSE-specific note type: version
- * name: SuSE\0\0\0\0
- * namesz: 8
- * desc:
- * word[0] = VVTTMMmm
- *
- * V = version of following data
- * T = product type: [box, sles, nld, whatever]
- * M = product major version
- * m = product minor version
- * descsz: 8
- */
-#define ELF_NOTE_TYPE_SUSE_VERSION_TAG 0x45537553 /* SuSE in LE */
-/* SuSE-specific note name and description sizes */
-#define ELF_NOTE_SUSE_VERSION_NAMESZ 8
-#define ELF_NOTE_SUSE_VERSION_DESCSZ 8
-/* SuSE-specific note name */
-#define ELF_NOTE_SUSE_VERSION_NAME "SuSE\0\0\0\0"
-
-/* NetBSD-specific note type: Emulation name.
- * name: NetBSD\0\0
- * namesz: 8
- * desc:
- * word[0]: MMmmrrpp00
- *
- * M = major version
- * m = minor version
- * r = release ["",A-Z,Z[A-Z] but numeric]
- * p = patchlevel
- * descsz: 4
- */
-#define ELF_NOTE_TYPE_NETBSD_TAG 1
-/* NetBSD-specific note name and description sizes */
-#define ELF_NOTE_NETBSD_NAMESZ 7
-#define ELF_NOTE_NETBSD_DESCSZ 4
-/* NetBSD-specific note name */
-#define ELF_NOTE_NETBSD_NAME "NetBSD\0\0"
-
-/* NetBSD-specific note type: Checksum.
- * There should be 1 NOTE per PT_LOAD section.
- * name: ???
- * namesz: ???
- * desc:
- * a tuple of <phnum>(16),<chk-type>(16),<chk-value>.
- * descsz: ???
- */
-#define ELF_NOTE_TYPE_CHECKSUM_TAG 2
-#define ELF_NOTE_CHECKSUM_CRC32 1
-#define ELF_NOTE_CHECKSUM_MD5 2
-#define ELF_NOTE_CHECKSUM_SHA1 3
-#define ELF_NOTE_CHECKSUM_SHA256 4
-
-/*
- * NetBSD-specific note type: PaX.
- * There should be 1 NOTE per executable.
- * name: PaX\0
- * namesz: 4
- * desc:
- * word[0]: capability bitmask
- * descsz: 4
- */
-#define ELF_NOTE_TYPE_PAX_TAG 3
-#define ELF_NOTE_PAX_MPROTECT 0x01 /* Force enable Mprotect */
-#define ELF_NOTE_PAX_NOMPROTECT 0x02 /* Force disable Mprotect */
-#define ELF_NOTE_PAX_GUARD 0x04 /* Force enable Segvguard */
-#define ELF_NOTE_PAX_NOGUARD 0x08 /* Force disable Servguard */
-#define ELF_NOTE_PAX_ASLR 0x10 /* Force enable ASLR */
-#define ELF_NOTE_PAX_NOASLR 0x20 /* Force disable ASLR */
-#define ELF_NOTE_PAX_NAMESZ 4
-#define ELF_NOTE_PAX_NAME "PaX\0"
-#define ELF_NOTE_PAX_DESCSZ 4
-
-/*
- * NetBSD-specific core file information.
- *
- * NetBSD ELF core files use notes to provide information about
- * the process's state. The note name is "NetBSD-CORE" for
- * information that is global to the process, and "NetBSD-CORE@nn",
- * where "nn" is the lwpid of the LWP that the information belongs
- * to (such as register state).
- *
- * We use the following note identifiers:
- *
- * ELF_NOTE_NETBSD_CORE_PROCINFO
- * Note is a "netbsd_elfcore_procinfo" structure.
- *
- * We also use ptrace(2) request numbers (the ones that exist in
- * machine-dependent space) to identify register info notes. The
- * info in such notes is in the same format that ptrace(2) would
- * export that information.
- *
- * Please try to keep the members of this structure nicely aligned,
- * and if you add elements, add them to the end and bump the version.
- */
-
-#define ELF_NOTE_NETBSD_CORE_NAME "NetBSD-CORE"
-
-#define ELF_NOTE_NETBSD_CORE_PROCINFO 1
-
-#define NETBSD_ELFCORE_PROCINFO_VERSION 1
-
-struct netbsd_elfcore_procinfo {
- /* Version 1 fields start here. */
- uint32_t cpi_version; /* our version */
- uint32_t cpi_cpisize; /* sizeof(this struct) */
- uint32_t cpi_signo; /* killing signal */
- uint32_t cpi_sigcode; /* signal code */
- uint32_t cpi_sigpend[4]; /* pending signals */
- uint32_t cpi_sigmask[4]; /* blocked signals */
- uint32_t cpi_sigignore[4]; /* ignored signals */
- uint32_t cpi_sigcatch[4]; /* caught signals */
- int32_t cpi_pid; /* process ID */
- int32_t cpi_ppid; /* parent process ID */
- int32_t cpi_pgrp; /* process group ID */
- int32_t cpi_sid; /* session ID */
- uint32_t cpi_ruid; /* real user ID */
- uint32_t cpi_euid; /* effective user ID */
- uint32_t cpi_svuid; /* saved user ID */
- uint32_t cpi_rgid; /* real group ID */
- uint32_t cpi_egid; /* effective group ID */
- uint32_t cpi_svgid; /* saved group ID */
- uint32_t cpi_nlwps; /* number of LWPs */
- int8_t cpi_name[32]; /* copy of p->p_comm */
- /* Add version 2 fields below here. */
- int32_t cpi_siglwp; /* LWP target of killing signal */
-};
-
-/*
- * NetBSD-specific note type: MACHINE_ARCH.
- * There should be 1 NOTE per executable.
- * name: NetBSD\0
- * namesz: 7
- * desc: string
- * descsz: variable
- */
-#define ELF_NOTE_TYPE_MARCH_TAG 5
-/* NetBSD-specific note name and description sizes */
-#define ELF_NOTE_MARCH_NAMESZ ELF_NOTE_NETBSD_NAMESZ
-/* NetBSD-specific note name */
-#define ELF_NOTE_MARCH_NAME ELF_NOTE_NETBSD_NAME
-
-#if !defined(ELFSIZE) && defined(ARCH_ELFSIZE)
-#define ELFSIZE ARCH_ELFSIZE
-#endif
-
-#if defined(ELFSIZE)
-#define CONCAT(x,y) __CONCAT(x,y)
-#define ELFNAME(x) CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x)))
-#define ELFNAME2(x,y) CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y))))
-#define ELFNAMEEND(x) CONCAT(x,CONCAT(_elf,ELFSIZE))
-#define ELFDEFNNAME(x) CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x)))
-#endif
-
-#if defined(ELFSIZE) && (ELFSIZE == 32)
-#define Elf_Ehdr Elf32_Ehdr
-#define Elf_Phdr Elf32_Phdr
-#define Elf_Shdr Elf32_Shdr
-#define Elf_Sym Elf32_Sym
-#define Elf_Rel Elf32_Rel
-#define Elf_Rela Elf32_Rela
-#define Elf_Dyn Elf32_Dyn
-#define Elf_Word Elf32_Word
-#define Elf_Sword Elf32_Sword
-#define Elf_Half Elf32_Half
-#define Elf_Addr Elf32_Addr
-#define Elf_Off Elf32_Off
-#define Elf_SOff Elf32_SOff
-#define Elf_Nhdr Elf32_Nhdr
-#define Elf_Verdef Elf32_Verdef
-#define Elf_Verdaux Elf32_Verdaux
-#define Elf_Verneed Elf32_Verneed
-#define Elf_Vernaux Elf32_Vernaux
-#define Elf_Versym Elf32_Versym
-
-#define ELF_R_SYM ELF32_R_SYM
-#define ELF_R_TYPE ELF32_R_TYPE
-#define ELFCLASS ELFCLASS32
-
-#define AuxInfo Aux32Info
-#elif defined(ELFSIZE) && (ELFSIZE == 64)
-#define Elf_Ehdr Elf64_Ehdr
-#define Elf_Phdr Elf64_Phdr
-#define Elf_Shdr Elf64_Shdr
-#define Elf_Sym Elf64_Sym
-#define Elf_Rel Elf64_Rel
-#define Elf_Rela Elf64_Rela
-#define Elf_Dyn Elf64_Dyn
-#define Elf_Word Elf64_Word
-#define Elf_Sword Elf64_Sword
-#define Elf_Half Elf64_Half
-#define Elf_Addr Elf64_Addr
-#define Elf_Off Elf64_Off
-#define Elf_SOff Elf64_SOff
-#define Elf_Nhdr Elf64_Nhdr
-#define Elf_Verdef Elf64_Verdef
-#define Elf_Verdaux Elf64_Verdaux
-#define Elf_Verneed Elf64_Verneed
-#define Elf_Vernaux Elf64_Vernaux
-#define Elf_Versym Elf64_Versym
-
-#define ELF_R_SYM ELF64_R_SYM
-#define ELF_R_TYPE ELF64_R_TYPE
-#define ELFCLASS ELFCLASS64
-
-#define AuxInfo Aux64Info
-#endif
-
-#ifndef Elf_Symindx
-#define Elf_Symindx uint32_t
-#endif
-
-#define ELF32_ST_BIND(info) ELF_ST_BIND(info)
-#define ELF32_ST_TYPE(info) ELF_ST_TYPE(info)
-#define ELF32_ST_INFO(bind,type) ELF_ST_INFO(bind,type)
-#define ELF32_ST_VISIBILITY(other) ELF_ST_VISIBILITY(other)
-
-#define ELF64_ST_BIND(info) ELF_ST_BIND(info)
-#define ELF64_ST_TYPE(info) ELF_ST_TYPE(info)
-#define ELF64_ST_INFO(bind,type) ELF_ST_INFO(bind,type)
-#define ELF64_ST_VISIBILITY(other) ELF_ST_VISIBILITY(other)
-
-typedef struct {
- Elf32_Half si_boundto; /* direct bindings - symbol bound to */
- Elf32_Half si_flags; /* per symbol flags */
-} Elf32_Syminfo;
-
-typedef struct {
- Elf64_Word si_boundto; /* direct bindings - symbol bound to */
- Elf64_Word si_flags; /* per symbol flags */
-} Elf64_Syminfo;
-
-#define SYMINFO_FLG_DIRECT 0x0001 /* symbol ref has direct association
- to object containing definition */
-#define SYMINFO_FLG_PASSTHRU 0x0002 /* ignored - see SYMINFO_FLG_FILTER */
-#define SYMINFO_FLG_COPY 0x0004 /* symbol is a copy-reloc */
-#define SYMINFO_FLG_LAZYLOAD 0x0008 /* object containing defn should be
- lazily-loaded */
-#define SYMINFO_FLG_DIRECTBIND 0x0010 /* ref should be bound directly to
- object containing definition */
-#define SYMINFO_FLG_NOEXTDIRECT 0x0020 /* don't let an external reference
- directly bind to this symbol */
-#define SYMINFO_FLG_FILTER 0x0002 /* symbol ref is associated to a */
-#define SYMINFO_FLG_AUXILIARY 0x0040 /* standard or auxiliary filter */
-
-#define SYMINFO_BT_SELF 0xffff /* symbol bound to self */
-#define SYMINFO_BT_PARENT 0xfffe /* symbol bound to parent */
-#define SYMINFO_BT_NONE 0xfffd /* no special symbol binding */
-#define SYMINFO_BT_EXTERN 0xfffc /* symbol defined as external */
-#define SYMINFO_BT_LOWRESERVE 0xff00 /* beginning of reserved entries */
-
-#define SYMINFO_NONE 0 /* Syminfo version */
-#define SYMINFO_CURRENT 1
-#define SYMINFO_NUM 2
-
-/*
- * These constants are used for Elf32_Verdef struct's version number.
- */
-#define VER_DEF_NONE 0
-#define VER_DEF_CURRENT 1
-
-/*
- * These constants are used for Elf32_Verdef struct's vd_ndx.
- */
-#define VER_DEF_IDX(x) VER_NDX(x)
-
-/*
- * These constants are used for Elf32_Verdef struct's vd_flags.
- */
-#define VER_FLG_BASE 0x1
-#define VER_FLG_WEAK 0x2
-
-/*
- * These are used in an Elf32_Versym field.
- */
-#define VER_NDX_LOCAL 0
-#define VER_NDX_GLOBAL 1
-#define VER_NDX_GIVEN 2
-
-/*
- * These constants are used for Elf32_Verneed struct's version number.
- */
-#define VER_NEED_NONE 0
-#define VER_NEED_CURRENT 1
-
-/*
- * These constants are used for Elf32_Vernaux struct's vna_other.
- */
-#define VER_NEED_HIDDEN VER_NDX_HIDDEN
-#define VER_NEED_IDX(x) VER_NDX(x)
-
-/* index */
-#define VER_NDX_HIDDEN 0x8000
-#define VER_NDX(x) ((x) & ~VER_NDX_HIDDEN)
-
-/*
- * GNU Extension hidding symbol
- */
-#define VERSYM_HIDDEN 0x8000
-#define VERSYM_VERSION 0x7fff
-
-#define ELF_VER_CHR '@'
-
-/*
- * These are current size independent.
- */
-
-typedef struct {
- Elf32_Half vd_version; /* version number of structure */
- Elf32_Half vd_flags; /* flags (VER_FLG_*) */
- Elf32_Half vd_ndx; /* version index */
- Elf32_Half vd_cnt; /* number of verdaux entries */
- Elf32_Word vd_hash; /* hash of name */
- Elf32_Word vd_aux; /* offset to verdaux entries */
- Elf32_Word vd_next; /* offset to next verdef */
-} Elf32_Verdef;
-typedef Elf32_Verdef Elf64_Verdef;
-
-typedef struct {
- Elf32_Word vda_name; /* string table offset of name */
- Elf32_Word vda_next; /* offset to verdaux */
-} Elf32_Verdaux;
-typedef Elf32_Verdaux Elf64_Verdaux;
-
-typedef struct {
- Elf32_Half vn_version; /* version number of structure */
- Elf32_Half vn_cnt; /* number of vernaux entries */
- Elf32_Word vn_file; /* string table offset of library name*/
- Elf32_Word vn_aux; /* offset to vernaux entries */
- Elf32_Word vn_next; /* offset to next verneed */
-} Elf32_Verneed;
-typedef Elf32_Verneed Elf64_Verneed;
-
-typedef struct {
- Elf32_Word vna_hash; /* Hash of dependency name */
- Elf32_Half vna_flags; /* flags (VER_FLG_*) */
- Elf32_Half vna_other; /* unused */
- Elf32_Word vna_name; /* string table offset to version name*/
- Elf32_Word vna_next; /* offset to next vernaux */
-} Elf32_Vernaux;
-typedef Elf32_Vernaux Elf64_Vernaux;
-
-typedef struct {
- Elf32_Half vs_vers;
-} Elf32_Versym;
-typedef Elf32_Versym Elf64_Versym;
-
-#ifdef _KERNEL
-
-#define ELF_AUX_ENTRIES 15 /* Max size of aux array passed to loader */
-#define ELF32_NO_ADDR (~(Elf32_Addr)0) /* Indicates addr. not yet filled in */
-#define ELF32_LINK_ADDR ((Elf32_Addr)-2) /* advises to use link address */
-#define ELF64_NO_ADDR (~(Elf64_Addr)0) /* Indicates addr. not yet filled in */
-#define ELF64_LINK_ADDR ((Elf64_Addr)-2) /* advises to use link address */
-
-#if defined(ELFSIZE) && (ELFSIZE == 64)
-#define ELF_NO_ADDR ELF64_NO_ADDR
-#define ELF_LINK_ADDR ELF64_LINK_ADDR
-#elif defined(ELFSIZE) && (ELFSIZE == 32)
-#define ELF_NO_ADDR ELF32_NO_ADDR
-#define ELF_LINK_ADDR ELF32_LINK_ADDR
-#endif
-
-#ifndef ELF32_EHDR_FLAGS_OK
-#define ELF32_EHDR_FLAGS_OK(eh) 1
-#endif
-
-#ifndef ELF64_EHDR_FLAGS_OK
-#define ELF64_EHDR_FLAGS_OK(eh) 1
-#endif
-
-#if defined(ELFSIZE) && (ELFSIZE == 64)
-#define ELF_EHDR_FLAGS_OK(eh) ELF64_EHDR_FLAGS_OK(eh)
-#else
-#define ELF_EHDR_FLAGS_OK(eh) ELF32_EHDR_FLAGS_OK(eh)
-#endif
-
-#if defined(ELFSIZE)
-struct elf_args {
- Elf_Addr arg_entry; /* program entry point */
- Elf_Addr arg_interp; /* Interpreter load address */
- Elf_Addr arg_phaddr; /* program header address */
- Elf_Addr arg_phentsize; /* Size of program header */
- Elf_Addr arg_phnum; /* Number of program headers */
-};
-#endif
-
-#ifdef _KERNEL_OPT
-#include "opt_execfmt.h"
-#endif
-
-struct ps_strings;
-
-#ifdef EXEC_ELF32
-int exec_elf32_makecmds(struct lwp *, struct exec_package *);
-int elf32_copyargs(struct lwp *, struct exec_package *,
- struct ps_strings *, char **, void *);
-
-int coredump_elf32(struct lwp *, void *);
-int coredump_writenote_elf32(struct proc *, void *, Elf32_Nhdr *,
- const char *, void *);
-
-int elf32_check_header(Elf32_Ehdr *, int);
-#endif
-
-#ifdef EXEC_ELF64
-int exec_elf64_makecmds(struct lwp *, struct exec_package *);
-int elf64_copyargs(struct lwp *, struct exec_package *,
- struct ps_strings *, char **, void *);
-
-int coredump_elf64(struct lwp *, void *);
-int coredump_writenote_elf64(struct proc *, void *, Elf64_Nhdr *,
- const char *, void *);
-
-int elf64_check_header(Elf64_Ehdr *, int);
-#endif
-
-#endif /* _KERNEL */
-
-#endif /* !_SYS_EXEC_ELF_H_ */
#define KERNEL_ARGUMENT_BLOCK_H
#include <elf.h>
+#include <link.h>
#include <stdint.h>
#include <sys/auxv.h>
}
++p; // Skip second NULL;
- auxv = reinterpret_cast<Elf_auxv_t*>(p);
+ auxv = reinterpret_cast<ElfW(auxv_t)*>(p);
}
// Similar to ::getauxval but doesn't require the libc global variables to be set up,
// so it's safe to call this really early on. This function also lets you distinguish
// between the inability to find the given type and its value just happening to be 0.
unsigned long getauxval(unsigned long type, bool* found_match = NULL) {
- for (Elf_auxv_t* v = auxv; v->a_type != AT_NULL; ++v) {
+ for (ElfW(auxv_t)* v = auxv; v->a_type != AT_NULL; ++v) {
if (v->a_type == type) {
if (found_match != NULL) {
*found_match = true;
int argc;
char** argv;
char** envp;
- Elf_auxv_t* auxv;
+ ElfW(auxv_t)* auxv;
abort_msg_t** abort_message_ptr;
#define _PRIVATE_BIONIC_AUXV_H_
#include <elf.h>
+#include <link.h>
#include <sys/cdefs.h>
__BEGIN_DECLS
-extern Elf_auxv_t* __libc_auxv;
+extern ElfW(auxv_t)* __libc_auxv;
__END_DECLS
}
soinfo* found = NULL;
- Elf_Sym* sym = NULL;
+ ElfW(Sym)* sym = NULL;
if (handle == RTLD_DEFAULT) {
sym = dlsym_linear_lookup(symbol, &found, NULL);
} else if (handle == RTLD_NEXT) {
info->dli_fbase = (void*) si->base;
// Determine if any symbol in the library contains the specified address.
- Elf_Sym *sym = dladdr_find_symbol(si, addr);
+ ElfW(Sym)* sym = dladdr_find_symbol(si, addr);
if (sym != NULL) {
info->dli_sname = si->strtab + sym->st_name;
info->dli_saddr = (void*)(si->load_bias + sym->st_value);
/* st_size */ 0, \
}
-#if defined(__LP64__)
-# define ELF_SYM_INITIALIZER ELF64_SYM_INITIALIZER
-#else
-# define ELF_SYM_INITIALIZER ELF32_SYM_INITIALIZER
-#endif
-
#if defined(__arm__)
// 0000000 00011111 111112 22222222 2333333 3333444444444455555555556666666 6667777777777888888888899999 9999900000000001 1
// 0123456 78901234 567890 12345678 9012345 6789012345678901234567890123456 7890123456789012345678901234 5678901234567890 1
# error Unsupported architecture. Only arm, arm64, mips, x86, and x86_64 are presently supported.
#endif
-static Elf_Sym gLibDlSymtab[] = {
+static ElfW(Sym) gLibDlSymtab[] = {
// Total length of libdl_info.strtab, including trailing 0.
// This is actually the STH_UNDEF entry. Technically, it's
// supposed to have st_name == 0, but instead, it points to an index
// in the strtab with a \0 to make iterating through the symtab easier.
- ELF_SYM_INITIALIZER(sizeof(ANDROID_LIBDL_STRTAB) - 1, NULL, 0),
- ELF_SYM_INITIALIZER( 0, &dlopen, 1),
- ELF_SYM_INITIALIZER( 7, &dlclose, 1),
- ELF_SYM_INITIALIZER( 15, &dlsym, 1),
- ELF_SYM_INITIALIZER( 21, &dlerror, 1),
- ELF_SYM_INITIALIZER( 29, &dladdr, 1),
- ELF_SYM_INITIALIZER( 36, &android_update_LD_LIBRARY_PATH, 1),
- ELF_SYM_INITIALIZER( 67, &android_get_LD_LIBRARY_PATH, 1),
- ELF_SYM_INITIALIZER( 95, &dl_iterate_phdr, 1),
+ ELFW(SYM_INITIALIZER)(sizeof(ANDROID_LIBDL_STRTAB) - 1, NULL, 0),
+ ELFW(SYM_INITIALIZER)( 0, &dlopen, 1),
+ ELFW(SYM_INITIALIZER)( 7, &dlclose, 1),
+ ELFW(SYM_INITIALIZER)( 15, &dlsym, 1),
+ ELFW(SYM_INITIALIZER)( 21, &dlerror, 1),
+ ELFW(SYM_INITIALIZER)( 29, &dladdr, 1),
+ ELFW(SYM_INITIALIZER)( 36, &android_update_LD_LIBRARY_PATH, 1),
+ ELFW(SYM_INITIALIZER)( 67, &android_get_LD_LIBRARY_PATH, 1),
+ ELFW(SYM_INITIALIZER)( 95, &dl_iterate_phdr, 1),
#if defined(__arm__)
- ELF_SYM_INITIALIZER(111, &dl_unwind_find_exidx, 1),
+ ELFW(SYM_INITIALIZER)(111, &dl_unwind_find_exidx, 1),
#endif
};
#include <dlfcn.h>
#include <errno.h>
#include <fcntl.h>
-#include <linux/auxvec.h>
+#include <inttypes.h>
#include <pthread.h>
-#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
*/
static bool soinfo_link_image(soinfo* si);
-static Elf_Addr get_elf_exec_load_bias(const Elf_Ehdr* elf);
+static ElfW(Addr) get_elf_exec_load_bias(const ElfW(Ehdr)* elf);
// We can't use malloc(3) in the dynamic linker. We use a linked list of anonymous
// maps, each a single page in size. The pages are broken up into as many struct soinfo
return rv;
}
-static Elf_Sym* soinfo_elf_lookup(soinfo* si, unsigned hash, const char* name) {
- Elf_Sym* symtab = si->symtab;
- const char* strtab = si->strtab;
+static ElfW(Sym)* soinfo_elf_lookup(soinfo* si, unsigned hash, const char* name) {
+ ElfW(Sym)* symtab = si->symtab;
+ const char* strtab = si->strtab;
- TRACE_TYPE(LOOKUP, "SEARCH %s in %s@%p %x %zd",
- name, si->name, reinterpret_cast<void*>(si->base), hash, hash % si->nbucket);
+ TRACE_TYPE(LOOKUP, "SEARCH %s in %s@%p %x %zd",
+ name, si->name, reinterpret_cast<void*>(si->base), hash, hash % si->nbucket);
- for (unsigned n = si->bucket[hash % si->nbucket]; n != 0; n = si->chain[n]) {
- Elf_Sym* s = symtab + n;
- if (strcmp(strtab + s->st_name, name)) continue;
+ for (unsigned n = si->bucket[hash % si->nbucket]; n != 0; n = si->chain[n]) {
+ ElfW(Sym)* s = symtab + n;
+ if (strcmp(strtab + s->st_name, name)) continue;
- /* only concern ourselves with global and weak symbol definitions */
- switch (ELF_ST_BIND(s->st_info)) {
- case STB_GLOBAL:
- case STB_WEAK:
- if (s->st_shndx == SHN_UNDEF) {
- continue;
- }
+ /* only concern ourselves with global and weak symbol definitions */
+ switch (ELF_ST_BIND(s->st_info)) {
+ case STB_GLOBAL:
+ case STB_WEAK:
+ if (s->st_shndx == SHN_UNDEF) {
+ continue;
+ }
- TRACE_TYPE(LOOKUP, "FOUND %s in %s (%p) %zd",
- name, si->name, reinterpret_cast<void*>(s->st_value),
- static_cast<size_t>(s->st_size));
- return s;
- }
+ TRACE_TYPE(LOOKUP, "FOUND %s in %s (%p) %zd",
+ name, si->name, reinterpret_cast<void*>(s->st_value),
+ static_cast<size_t>(s->st_size));
+ return s;
}
+ }
- return NULL;
+ return NULL;
}
static unsigned elfhash(const char* _name) {
return h;
}
-static Elf_Sym* soinfo_do_lookup(soinfo* si, const char* name, soinfo** lsi, soinfo* needed[]) {
+static ElfW(Sym)* soinfo_do_lookup(soinfo* si, const char* name, soinfo** lsi, soinfo* needed[]) {
unsigned elf_hash = elfhash(name);
- Elf_Sym* s = NULL;
+ ElfW(Sym)* s = NULL;
if (si != NULL && somain != NULL) {
Binary Interface) where in Chapter 5 it discuss resolving "Shared
Object Dependencies" in breadth first search order.
*/
-Elf_Sym* dlsym_handle_lookup(soinfo* si, const char* name) {
+ElfW(Sym)* dlsym_handle_lookup(soinfo* si, const char* name) {
return soinfo_elf_lookup(si, elfhash(name), name);
}
beginning of the global solist. Otherwise the search starts at the
specified soinfo (for RTLD_NEXT).
*/
-Elf_Sym* dlsym_linear_lookup(const char* name, soinfo** found, soinfo* start) {
+ElfW(Sym)* dlsym_linear_lookup(const char* name, soinfo** found, soinfo* start) {
unsigned elf_hash = elfhash(name);
if (start == NULL) {
start = solist;
}
- Elf_Sym* s = NULL;
+ ElfW(Sym)* s = NULL;
for (soinfo* si = start; (s == NULL) && (si != NULL); si = si->next) {
s = soinfo_elf_lookup(si, elf_hash, name);
if (s != NULL) {
}
soinfo* find_containing_library(const void* p) {
- Elf_Addr address = reinterpret_cast<Elf_Addr>(p);
+ ElfW(Addr) address = reinterpret_cast<ElfW(Addr)>(p);
for (soinfo* si = solist; si != NULL; si = si->next) {
if (address >= si->base && address - si->base < si->size) {
return si;
return NULL;
}
-Elf_Sym* dladdr_find_symbol(soinfo* si, const void* addr) {
- Elf_Addr soaddr = reinterpret_cast<Elf_Addr>(addr) - si->base;
+ElfW(Sym)* dladdr_find_symbol(soinfo* si, const void* addr) {
+ ElfW(Addr) soaddr = reinterpret_cast<ElfW(Addr)>(addr) - si->base;
// Search the library's symbol table for any defined symbol which
// contains this address.
for (size_t i = 0; i < si->nchain; ++i) {
- Elf_Sym* sym = &si->symtab[i];
+ ElfW(Sym)* sym = &si->symtab[i];
if (sym->st_shndx != SHN_UNDEF &&
soaddr >= sym->st_value &&
soaddr < sym->st_value + sym->st_size) {
#if 0
static void dump(soinfo* si)
{
- Elf_Sym* s = si->symtab;
- for (unsigned n = 0; n < si->nchain; n++) {
- TRACE("%04d> %08x: %02x %04x %08x %08x %s", n, s,
- s->st_info, s->st_shndx, s->st_value, s->st_size,
- si->strtab + s->st_name);
- s++;
- }
+ ElfW(Sym)* s = si->symtab;
+ for (unsigned n = 0; n < si->nchain; n++) {
+ TRACE("%04d> %08x: %02x %04x %08x %08x %s", n, s,
+ s->st_info, s->st_shndx, s->st_value, s->st_size,
+ si->strtab + s->st_name);
+ s++;
+ }
}
#endif
TRACE("unloading '%s'", si->name);
si->CallDestructors();
- for (Elf_Dyn* d = si->dynamic; d->d_tag != DT_NULL; ++d) {
+ for (ElfW(Dyn)* d = si->dynamic; d->d_tag != DT_NULL; ++d) {
if (d->d_tag == DT_NEEDED) {
const char* library_name = si->strtab + d->d_un.d_val;
TRACE("%s needs to unload %s", si->name, library_name);
}
#if defined(USE_RELA)
-static int soinfo_relocate_a(soinfo* si, Elf_Rela* rela, unsigned count, soinfo* needed[]) {
- Elf_Sym* symtab = si->symtab;
+static int soinfo_relocate_a(soinfo* si, ElfW(Rela)* rela, unsigned count, soinfo* needed[]) {
+ ElfW(Sym)* symtab = si->symtab;
const char* strtab = si->strtab;
- Elf_Sym* s;
- Elf_Rela* start = rela;
+ ElfW(Sym)* s;
+ ElfW(Rela)* start = rela;
soinfo* lsi;
for (size_t idx = 0; idx < count; ++idx, ++rela) {
- unsigned type = ELF_R_TYPE(rela->r_info);
- unsigned sym = ELF_R_SYM(rela->r_info);
- Elf_Addr reloc = static_cast<Elf_Addr>(rela->r_offset + si->load_bias);
- Elf_Addr sym_addr = 0;
+ unsigned type = ELFW(R_TYPE)(rela->r_info);
+ unsigned sym = ELFW(R_SYM)(rela->r_info);
+ ElfW(Addr) reloc = static_cast<ElfW(Addr)>(rela->r_offset + si->load_bias);
+ ElfW(Addr) sym_addr = 0;
char* sym_name = NULL;
DEBUG("Processing '%s' relocation at index %zd", si->name, idx);
}
} else {
// We got a definition.
- sym_addr = static_cast<Elf_Addr>(s->st_value + lsi->load_bias);
+ sym_addr = static_cast<ElfW(Addr)>(s->st_value + lsi->load_bias);
}
count_relocation(kRelocSymbol);
} else {
case R_AARCH64_JUMP_SLOT:
count_relocation(kRelocAbsolute);
MARK(rela->r_offset);
- TRACE_TYPE(RELO, "RELO JMP_SLOT %16lx <- %16lx %s\n",
- reloc,
- (sym_addr + rela->r_addend),
- sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) = (sym_addr + rela->r_addend);
+ TRACE_TYPE(RELO, "RELO JMP_SLOT %16llx <- %16llx %s\n",
+ reloc, (sym_addr + rela->r_addend), sym_name);
+ *reinterpret_cast<ElfW(Addr)*>(reloc) = (sym_addr + rela->r_addend);
break;
case R_AARCH64_GLOB_DAT:
count_relocation(kRelocAbsolute);
MARK(rela->r_offset);
- TRACE_TYPE(RELO, "RELO GLOB_DAT %16lx <- %16lx %s\n",
- reloc,
- (sym_addr + rela->r_addend),
- sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) = (sym_addr + rela->r_addend);
+ TRACE_TYPE(RELO, "RELO GLOB_DAT %16llx <- %16llx %s\n",
+ reloc, (sym_addr + rela->r_addend), sym_name);
+ *reinterpret_cast<ElfW(Addr)*>(reloc) = (sym_addr + rela->r_addend);
break;
case R_AARCH64_ABS64:
count_relocation(kRelocAbsolute);
MARK(rela->r_offset);
- TRACE_TYPE(RELO, "RELO ABS64 %16lx <- %16lx %s\n",
- reloc,
- (sym_addr + rela->r_addend),
- sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) += (sym_addr + rela->r_addend);
+ TRACE_TYPE(RELO, "RELO ABS64 %16llx <- %16llx %s\n",
+ reloc, (sym_addr + rela->r_addend), sym_name);
+ *reinterpret_cast<ElfW(Addr)*>(reloc) += (sym_addr + rela->r_addend);
break;
case R_AARCH64_ABS32:
count_relocation(kRelocAbsolute);
MARK(rela->r_offset);
- TRACE_TYPE(RELO, "RELO ABS32 %16lx <- %16lx %s\n",
- reloc,
- (sym_addr + rela->r_addend),
- sym_name);
- if ((static_cast<Elf_Addr>(INT32_MIN) <=
- (*reinterpret_cast<Elf_Addr*>(reloc) + (sym_addr + rela->r_addend))) &&
- ((*reinterpret_cast<Elf_Addr*>(reloc) + (sym_addr + rela->r_addend)) <=
- static_cast<Elf_Addr>(UINT32_MAX))) {
- *reinterpret_cast<Elf_Addr*>(reloc) += (sym_addr + rela->r_addend);
+ TRACE_TYPE(RELO, "RELO ABS32 %16llx <- %16llx %s\n",
+ reloc, (sym_addr + rela->r_addend), sym_name);
+ if ((static_cast<ElfW(Addr)>(INT32_MIN) <= (*reinterpret_cast<ElfW(Addr)*>(reloc) + (sym_addr + rela->r_addend))) &&
+ ((*reinterpret_cast<ElfW(Addr)*>(reloc) + (sym_addr + rela->r_addend)) <= static_cast<ElfW(Addr)>(UINT32_MAX))) {
+ *reinterpret_cast<ElfW(Addr)*>(reloc) += (sym_addr + rela->r_addend);
} else {
- DL_ERR("0x%016lx out of range 0x%016lx to 0x%016lx",
- (*reinterpret_cast<Elf_Addr*>(reloc) + (sym_addr + rela->r_addend)),
- static_cast<Elf_Addr>(INT32_MIN),
- static_cast<Elf_Addr>(UINT32_MAX));
+ DL_ERR("0x%016llx out of range 0x%016llx to 0x%016llx",
+ (*reinterpret_cast<ElfW(Addr)*>(reloc) + (sym_addr + rela->r_addend)),
+ static_cast<ElfW(Addr)>(INT32_MIN),
+ static_cast<ElfW(Addr)>(UINT32_MAX));
return -1;
}
break;
case R_AARCH64_ABS16:
count_relocation(kRelocAbsolute);
MARK(rela->r_offset);
- TRACE_TYPE(RELO, "RELO ABS16 %16lx <- %16lx %s\n",
- reloc,
- (sym_addr + rela->r_addend),
- sym_name);
- if ((static_cast<Elf_Addr>(INT16_MIN) <=
- (*reinterpret_cast<Elf_Addr*>(reloc) + (sym_addr + rela->r_addend))) &&
- ((*reinterpret_cast<Elf_Addr*>(reloc) + (sym_addr + rela->r_addend)) <=
- static_cast<Elf_Addr>(UINT16_MAX))) {
- *reinterpret_cast<Elf_Addr*>(reloc) += (sym_addr + rela->r_addend);
+ TRACE_TYPE(RELO, "RELO ABS16 %16llx <- %16llx %s\n",
+ reloc, (sym_addr + rela->r_addend), sym_name);
+ if ((static_cast<ElfW(Addr)>(INT16_MIN) <= (*reinterpret_cast<ElfW(Addr)*>(reloc) + (sym_addr + rela->r_addend))) &&
+ ((*reinterpret_cast<ElfW(Addr)*>(reloc) + (sym_addr + rela->r_addend)) <= static_cast<ElfW(Addr)>(UINT16_MAX))) {
+ *reinterpret_cast<ElfW(Addr)*>(reloc) += (sym_addr + rela->r_addend);
} else {
- DL_ERR("0x%016lx out of range 0x%016lx to 0x%016lx",
- (*reinterpret_cast<Elf_Addr*>(reloc) + (sym_addr + rela->r_addend)),
- static_cast<Elf_Addr>(INT16_MIN),
- static_cast<Elf_Addr>(UINT16_MAX));
+ DL_ERR("0x%016llx out of range 0x%016llx to 0x%016llx",
+ (*reinterpret_cast<ElfW(Addr)*>(reloc) + (sym_addr + rela->r_addend)),
+ static_cast<ElfW(Addr)>(INT16_MIN),
+ static_cast<ElfW(Addr)>(UINT16_MAX));
return -1;
}
break;
case R_AARCH64_PREL64:
count_relocation(kRelocRelative);
MARK(rela->r_offset);
- TRACE_TYPE(RELO, "RELO REL64 %16lx <- %16lx - %16lx %s\n",
- reloc,
- (sym_addr + rela->r_addend),
- rela->r_offset,
- sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) += (sym_addr + rela->r_addend) - rela->r_offset;
+ TRACE_TYPE(RELO, "RELO REL64 %16llx <- %16llx - %16llx %s\n",
+ reloc, (sym_addr + rela->r_addend), rela->r_offset, sym_name);
+ *reinterpret_cast<ElfW(Addr)*>(reloc) += (sym_addr + rela->r_addend) - rela->r_offset;
break;
case R_AARCH64_PREL32:
count_relocation(kRelocRelative);
MARK(rela->r_offset);
- TRACE_TYPE(RELO, "RELO REL32 %16lx <- %16lx - %16lx %s\n",
- reloc,
- (sym_addr + rela->r_addend),
- rela->r_offset, sym_name);
- if ((static_cast<Elf_Addr>(INT32_MIN) <=
- (*reinterpret_cast<Elf_Addr*>(reloc) + ((sym_addr + rela->r_addend) - rela->r_offset))) &&
- ((*reinterpret_cast<Elf_Addr*>(reloc) + ((sym_addr + rela->r_addend) - rela->r_offset)) <=
- static_cast<Elf_Addr>(UINT32_MAX))) {
- *reinterpret_cast<Elf_Addr*>(reloc) += ((sym_addr + rela->r_addend) - rela->r_offset);
+ TRACE_TYPE(RELO, "RELO REL32 %16llx <- %16llx - %16llx %s\n",
+ reloc, (sym_addr + rela->r_addend), rela->r_offset, sym_name);
+ if ((static_cast<ElfW(Addr)>(INT32_MIN) <= (*reinterpret_cast<ElfW(Addr)*>(reloc) + ((sym_addr + rela->r_addend) - rela->r_offset))) &&
+ ((*reinterpret_cast<ElfW(Addr)*>(reloc) + ((sym_addr + rela->r_addend) - rela->r_offset)) <= static_cast<ElfW(Addr)>(UINT32_MAX))) {
+ *reinterpret_cast<ElfW(Addr)*>(reloc) += ((sym_addr + rela->r_addend) - rela->r_offset);
} else {
- DL_ERR("0x%016lx out of range 0x%016lx to 0x%016lx",
- (*reinterpret_cast<Elf_Addr*>(reloc) + ((sym_addr + rela->r_addend) - rela->r_offset)),
- static_cast<Elf_Addr>(INT32_MIN),
- static_cast<Elf_Addr>(UINT32_MAX));
+ DL_ERR("0x%016llx out of range 0x%016llx to 0x%016llx",
+ (*reinterpret_cast<ElfW(Addr)*>(reloc) + ((sym_addr + rela->r_addend) - rela->r_offset)),
+ static_cast<ElfW(Addr)>(INT32_MIN),
+ static_cast<ElfW(Addr)>(UINT32_MAX));
return -1;
}
break;
case R_AARCH64_PREL16:
count_relocation(kRelocRelative);
MARK(rela->r_offset);
- TRACE_TYPE(RELO, "RELO REL16 %16lx <- %16lx - %16lx %s\n",
- reloc,
- (sym_addr + rela->r_addend),
- rela->r_offset, sym_name);
- if ((static_cast<Elf_Addr>(INT16_MIN) <=
- (*reinterpret_cast<Elf_Addr*>(reloc) + ((sym_addr + rela->r_addend) - rela->r_offset))) &&
- ((*reinterpret_cast<Elf_Addr*>(reloc) + ((sym_addr + rela->r_addend) - rela->r_offset)) <=
- static_cast<Elf_Addr>(UINT16_MAX))) {
- *reinterpret_cast<Elf_Addr*>(reloc) += ((sym_addr + rela->r_addend) - rela->r_offset);
+ TRACE_TYPE(RELO, "RELO REL16 %16llx <- %16llx - %16llx %s\n",
+ reloc, (sym_addr + rela->r_addend), rela->r_offset, sym_name);
+ if ((static_cast<ElfW(Addr)>(INT16_MIN) <= (*reinterpret_cast<ElfW(Addr)*>(reloc) + ((sym_addr + rela->r_addend) - rela->r_offset))) &&
+ ((*reinterpret_cast<ElfW(Addr)*>(reloc) + ((sym_addr + rela->r_addend) - rela->r_offset)) <= static_cast<ElfW(Addr)>(UINT16_MAX))) {
+ *reinterpret_cast<ElfW(Addr)*>(reloc) += ((sym_addr + rela->r_addend) - rela->r_offset);
} else {
- DL_ERR("0x%016lx out of range 0x%016lx to 0x%016lx",
- (*reinterpret_cast<Elf_Addr*>(reloc) + ((sym_addr + rela->r_addend) - rela->r_offset)),
- static_cast<Elf_Addr>(INT16_MIN),
- static_cast<Elf_Addr>(UINT16_MAX));
+ DL_ERR("0x%016llx out of range 0x%016llx to 0x%016llx",
+ (*reinterpret_cast<ElfW(Addr)*>(reloc) + ((sym_addr + rela->r_addend) - rela->r_offset)),
+ static_cast<ElfW(Addr)>(INT16_MIN),
+ static_cast<ElfW(Addr)>(UINT16_MAX));
return -1;
}
break;
DL_ERR("odd RELATIVE form...");
return -1;
}
- TRACE_TYPE(RELO, "RELO RELATIVE %16lx <- %16lx\n",
- reloc,
- (si->base + rela->r_addend));
- *reinterpret_cast<Elf_Addr*>(reloc) = (si->base + rela->r_addend);
+ TRACE_TYPE(RELO, "RELO RELATIVE %16llx <- %16llx\n",
+ reloc, (si->base + rela->r_addend));
+ *reinterpret_cast<ElfW(Addr)*>(reloc) = (si->base + rela->r_addend);
break;
case R_AARCH64_COPY:
}
count_relocation(kRelocCopy);
MARK(rela->r_offset);
- TRACE_TYPE(RELO, "RELO COPY %16lx <- %ld @ %16lx %s\n",
- reloc,
- s->st_size,
- (sym_addr + rela->r_addend),
- sym_name);
+ TRACE_TYPE(RELO, "RELO COPY %16llx <- %lld @ %16llx %s\n",
+ reloc,
+ s->st_size,
+ (sym_addr + rela->r_addend),
+ sym_name);
if (reloc == (sym_addr + rela->r_addend)) {
- Elf_Sym *src = soinfo_do_lookup(NULL, sym_name, &lsi, needed);
+ ElfW(Sym)* src = soinfo_do_lookup(NULL, sym_name, &lsi, needed);
if (src == NULL) {
DL_ERR("%s R_AARCH64_COPY relocation source cannot be resolved", si->name);
}
if (lsi->has_DT_SYMBOLIC) {
DL_ERR("%s invalid R_AARCH64_COPY relocation against DT_SYMBOLIC shared "
- "library %s (built with -Bsymbolic?)", si->name, lsi->name);
+ "library %s (built with -Bsymbolic?)", si->name, lsi->name);
return -1;
}
if (s->st_size < src->st_size) {
- DL_ERR("%s R_AARCH64_COPY relocation size mismatch (%ld < %ld)",
- si->name, s->st_size, src->st_size);
+ DL_ERR("%s R_AARCH64_COPY relocation size mismatch (%lld < %lld)",
+ si->name, s->st_size, src->st_size);
return -1;
}
memcpy((void*)reloc, (void*)(src->st_value + lsi->load_bias), src->st_size);
}
break;
case R_AARCH64_TLS_TPREL64:
- TRACE_TYPE(RELO, "RELO TLS_TPREL64 *** %16lx <- %16lx - %16lx\n",
- reloc,
- (sym_addr + rela->r_addend),
- rela->r_offset);
+ TRACE_TYPE(RELO, "RELO TLS_TPREL64 *** %16llx <- %16llx - %16llx\n",
+ reloc, (sym_addr + rela->r_addend), rela->r_offset);
break;
case R_AARCH64_TLS_DTPREL32:
- TRACE_TYPE(RELO, "RELO TLS_DTPREL32 *** %16lx <- %16lx - %16lx\n",
- reloc,
- (sym_addr + rela->r_addend),
- rela->r_offset);
+ TRACE_TYPE(RELO, "RELO TLS_DTPREL32 *** %16llx <- %16llx - %16llx\n",
+ reloc, (sym_addr + rela->r_addend), rela->r_offset);
break;
#elif defined(__x86_64__)
case R_X86_64_JUMP_SLOT:
MARK(rela->r_offset);
TRACE_TYPE(RELO, "RELO JMP_SLOT %08zx <- %08zx %s", static_cast<size_t>(reloc),
static_cast<size_t>(sym_addr + rela->r_addend), sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) = sym_addr + rela->r_addend;
+ *reinterpret_cast<ElfW(Addr)*>(reloc) = sym_addr + rela->r_addend;
break;
case R_X86_64_GLOB_DAT:
count_relocation(kRelocAbsolute);
MARK(rela->r_offset);
TRACE_TYPE(RELO, "RELO GLOB_DAT %08zx <- %08zx %s", static_cast<size_t>(reloc),
static_cast<size_t>(sym_addr + rela->r_addend), sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) = sym_addr + rela->r_addend;
+ *reinterpret_cast<ElfW(Addr)*>(reloc) = sym_addr + rela->r_addend;
break;
case R_X86_64_RELATIVE:
count_relocation(kRelocRelative);
}
TRACE_TYPE(RELO, "RELO RELATIVE %08zx <- +%08zx", static_cast<size_t>(reloc),
static_cast<size_t>(si->base));
- *reinterpret_cast<Elf_Addr*>(reloc) = si->base + rela->r_addend;
+ *reinterpret_cast<ElfW(Addr)*>(reloc) = si->base + rela->r_addend;
break;
case R_X86_64_32:
count_relocation(kRelocRelative);
MARK(rela->r_offset);
TRACE_TYPE(RELO, "RELO R_X86_64_32 %08zx <- +%08zx %s", static_cast<size_t>(reloc),
static_cast<size_t>(sym_addr), sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) = sym_addr + rela->r_addend;
+ *reinterpret_cast<ElfW(Addr)*>(reloc) = sym_addr + rela->r_addend;
break;
case R_X86_64_64:
count_relocation(kRelocRelative);
MARK(rela->r_offset);
TRACE_TYPE(RELO, "RELO R_X86_64_64 %08zx <- +%08zx %s", static_cast<size_t>(reloc),
static_cast<size_t>(sym_addr), sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) = sym_addr + rela->r_addend;
+ *reinterpret_cast<ElfW(Addr)*>(reloc) = sym_addr + rela->r_addend;
break;
case R_X86_64_PC32:
count_relocation(kRelocRelative);
TRACE_TYPE(RELO, "RELO R_X86_64_PC32 %08zx <- +%08zx (%08zx - %08zx) %s",
static_cast<size_t>(reloc), static_cast<size_t>(sym_addr - reloc),
static_cast<size_t>(sym_addr), static_cast<size_t>(reloc), sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) = sym_addr + rela->r_addend - reloc;
+ *reinterpret_cast<ElfW(Addr)*>(reloc) = sym_addr + rela->r_addend - reloc;
break;
#endif
return 0;
}
#else
-static int soinfo_relocate(soinfo* si, Elf_Rel* rel, unsigned count,
- soinfo* needed[])
-{
- Elf_Sym* symtab = si->symtab;
+static int soinfo_relocate(soinfo* si, ElfW(Rel)* rel, unsigned count, soinfo* needed[]) {
+ ElfW(Sym)* symtab = si->symtab;
const char* strtab = si->strtab;
- Elf_Sym* s;
- Elf_Rel* start = rel;
+ ElfW(Sym)* s;
+ ElfW(Rel)* start = rel;
soinfo* lsi;
for (size_t idx = 0; idx < count; ++idx, ++rel) {
- unsigned type = ELF_R_TYPE(rel->r_info);
- // TODO: don't use unsigned for 'sym'. Use uint32_t or Elf_Addr instead.
- unsigned sym = ELF_R_SYM(rel->r_info);
- Elf_Addr reloc = static_cast<Elf_Addr>(rel->r_offset + si->load_bias);
- Elf_Addr sym_addr = 0;
+ unsigned type = ELFW(R_TYPE)(rel->r_info);
+ // TODO: don't use unsigned for 'sym'. Use uint32_t or ElfW(Addr) instead.
+ unsigned sym = ELFW(R_SYM)(rel->r_info);
+ ElfW(Addr) reloc = static_cast<ElfW(Addr)>(rel->r_offset + si->load_bias);
+ ElfW(Addr) sym_addr = 0;
char* sym_name = NULL;
DEBUG("Processing '%s' relocation at index %zd", si->name, idx);
}
} else {
// We got a definition.
- sym_addr = static_cast<Elf_Addr>(s->st_value + lsi->load_bias);
+ sym_addr = static_cast<ElfW(Addr)>(s->st_value + lsi->load_bias);
}
count_relocation(kRelocSymbol);
} else {
count_relocation(kRelocAbsolute);
MARK(rel->r_offset);
TRACE_TYPE(RELO, "RELO JMP_SLOT %08x <- %08x %s", reloc, sym_addr, sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) = sym_addr;
+ *reinterpret_cast<ElfW(Addr)*>(reloc) = sym_addr;
break;
case R_ARM_GLOB_DAT:
count_relocation(kRelocAbsolute);
MARK(rel->r_offset);
TRACE_TYPE(RELO, "RELO GLOB_DAT %08x <- %08x %s", reloc, sym_addr, sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) = sym_addr;
+ *reinterpret_cast<ElfW(Addr)*>(reloc) = sym_addr;
break;
case R_ARM_ABS32:
count_relocation(kRelocAbsolute);
MARK(rel->r_offset);
TRACE_TYPE(RELO, "RELO ABS %08x <- %08x %s", reloc, sym_addr, sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) += sym_addr;
+ *reinterpret_cast<ElfW(Addr)*>(reloc) += sym_addr;
break;
case R_ARM_REL32:
count_relocation(kRelocRelative);
MARK(rel->r_offset);
TRACE_TYPE(RELO, "RELO REL32 %08x <- %08x - %08x %s",
reloc, sym_addr, rel->r_offset, sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) += sym_addr - rel->r_offset;
+ *reinterpret_cast<ElfW(Addr)*>(reloc) += sym_addr - rel->r_offset;
break;
case R_ARM_COPY:
if ((si->flags & FLAG_EXE) == 0) {
MARK(rel->r_offset);
TRACE_TYPE(RELO, "RELO %08x <- %d @ %08x %s", reloc, s->st_size, sym_addr, sym_name);
if (reloc == sym_addr) {
- Elf_Sym *src = soinfo_do_lookup(NULL, sym_name, &lsi, needed);
+ ElfW(Sym)* src = soinfo_do_lookup(NULL, sym_name, &lsi, needed);
if (src == NULL) {
DL_ERR("%s R_ARM_COPY relocation source cannot be resolved", si->name);
count_relocation(kRelocAbsolute);
MARK(rel->r_offset);
TRACE_TYPE(RELO, "RELO JMP_SLOT %08x <- %08x %s", reloc, sym_addr, sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) = sym_addr;
+ *reinterpret_cast<ElfW(Addr)*>(reloc) = sym_addr;
break;
case R_386_GLOB_DAT:
count_relocation(kRelocAbsolute);
MARK(rel->r_offset);
TRACE_TYPE(RELO, "RELO GLOB_DAT %08x <- %08x %s", reloc, sym_addr, sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) = sym_addr;
+ *reinterpret_cast<ElfW(Addr)*>(reloc) = sym_addr;
break;
case R_386_32:
count_relocation(kRelocRelative);
MARK(rel->r_offset);
TRACE_TYPE(RELO, "RELO R_386_32 %08x <- +%08x %s", reloc, sym_addr, sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) += sym_addr;
+ *reinterpret_cast<ElfW(Addr)*>(reloc) += sym_addr;
break;
case R_386_PC32:
count_relocation(kRelocRelative);
MARK(rel->r_offset);
TRACE_TYPE(RELO, "RELO R_386_PC32 %08x <- +%08x (%08x - %08x) %s",
reloc, (sym_addr - reloc), sym_addr, reloc, sym_name);
- *reinterpret_cast<Elf_Addr*>(reloc) += (sym_addr - reloc);
+ *reinterpret_cast<ElfW(Addr)*>(reloc) += (sym_addr - reloc);
break;
#elif defined(__mips__)
case R_MIPS_REL32:
TRACE_TYPE(RELO, "RELO REL32 %08x <- %08x %s",
reloc, sym_addr, (sym_name) ? sym_name : "*SECTIONHDR*");
if (s) {
- *reinterpret_cast<Elf_Addr*>(reloc) += sym_addr;
+ *reinterpret_cast<ElfW(Addr)*>(reloc) += sym_addr;
} else {
- *reinterpret_cast<Elf_Addr*>(reloc) += si->base;
+ *reinterpret_cast<ElfW(Addr)*>(reloc) += si->base;
}
break;
#endif
}
TRACE_TYPE(RELO, "RELO RELATIVE %p <- +%p",
reinterpret_cast<void*>(reloc), reinterpret_cast<void*>(si->base));
- *reinterpret_cast<Elf_Addr*>(reloc) += si->base;
+ *reinterpret_cast<ElfW(Addr)*>(reloc) += si->base;
break;
default:
unsigned local_gotno = si->mips_local_gotno;
unsigned gotsym = si->mips_gotsym;
unsigned symtabno = si->mips_symtabno;
- Elf_Sym* symtab = si->symtab;
+ ElfW(Sym)* symtab = si->symtab;
/*
* got[0] is address of lazy resolver function
}
/* Now for the global GOT entries */
- Elf_Sym* sym = symtab + gotsym;
+ ElfW(Sym)* sym = symtab + gotsym;
got = si->plt_got + local_gotno;
for (size_t g = gotsym; g < symtabno; g++, sym++, got++) {
const char* sym_name;
- Elf_Sym* s;
+ ElfW(Sym)* s;
soinfo* lsi;
/* This is an undefined reference... try to locate it */
}
if (dynamic != NULL) {
- for (Elf_Dyn* d = dynamic; d->d_tag != DT_NULL; ++d) {
+ for (ElfW(Dyn)* d = dynamic; d->d_tag != DT_NULL; ++d) {
if (d->d_tag == DT_NEEDED) {
const char* library_name = strtab + d->d_un.d_val;
TRACE("\"%s\": calling constructors in DT_NEEDED \"%s\"", name, library_name);
static bool soinfo_link_image(soinfo* si) {
/* "base" might wrap around UINT32_MAX. */
- Elf_Addr base = si->load_bias;
- const Elf_Phdr *phdr = si->phdr;
+ ElfW(Addr) base = si->load_bias;
+ const ElfW(Phdr)* phdr = si->phdr;
int phnum = si->phnum;
bool relocating_linker = (si->flags & FLAG_LINKER) != 0;
/* Extract dynamic section */
size_t dynamic_count;
- Elf_Word dynamic_flags;
+ ElfW(Word) dynamic_flags;
phdr_table_get_dynamic_section(phdr, phnum, base, &si->dynamic,
&dynamic_count, &dynamic_flags);
if (si->dynamic == NULL) {
// Extract useful information from dynamic section.
uint32_t needed_count = 0;
- for (Elf_Dyn* d = si->dynamic; d->d_tag != DT_NULL; ++d) {
+ for (ElfW(Dyn)* d = si->dynamic; d->d_tag != DT_NULL; ++d) {
DEBUG("d = %p, d[0](tag) = %p d[1](val) = %p",
d, reinterpret_cast<void*>(d->d_tag), reinterpret_cast<void*>(d->d_un.d_val));
switch (d->d_tag) {
si->strtab = (const char *) (base + d->d_un.d_ptr);
break;
case DT_SYMTAB:
- si->symtab = (Elf_Sym *) (base + d->d_un.d_ptr);
+ si->symtab = (ElfW(Sym)*) (base + d->d_un.d_ptr);
break;
#if !defined(__LP64__)
case DT_PLTREL:
#endif
case DT_JMPREL:
#if defined(USE_RELA)
- si->plt_rela = (Elf_Rela*) (base + d->d_un.d_ptr);
+ si->plt_rela = (ElfW(Rela)*) (base + d->d_un.d_ptr);
#else
- si->plt_rel = (Elf_Rel*) (base + d->d_un.d_ptr);
+ si->plt_rel = (ElfW(Rel)*) (base + d->d_un.d_ptr);
#endif
break;
case DT_PLTRELSZ:
#if defined(USE_RELA)
- si->plt_rela_count = d->d_un.d_val / sizeof(Elf_Rela);
+ si->plt_rela_count = d->d_un.d_val / sizeof(ElfW(Rela));
#else
- si->plt_rel_count = d->d_un.d_val / sizeof(Elf_Rel);
+ si->plt_rel_count = d->d_un.d_val / sizeof(ElfW(Rel));
#endif
break;
#if !defined(__LP64__)
break;
#if defined(USE_RELA)
case DT_RELA:
- si->rela = (Elf_Rela*) (base + d->d_un.d_ptr);
+ si->rela = (ElfW(Rela)*) (base + d->d_un.d_ptr);
break;
case DT_RELASZ:
- si->rela_count = d->d_un.d_val / sizeof(Elf_Rela);
+ si->rela_count = d->d_un.d_val / sizeof(ElfW(Rela));
break;
case DT_REL:
DL_ERR("unsupported DT_REL in \"%s\"", si->name);
return false;
#else
case DT_REL:
- si->rel = (Elf_Rel*) (base + d->d_un.d_ptr);
+ si->rel = (ElfW(Rel)*) (base + d->d_un.d_ptr);
break;
case DT_RELSZ:
- si->rel_count = d->d_un.d_val / sizeof(Elf_Rel);
+ si->rel_count = d->d_un.d_val / sizeof(ElfW(Rel));
break;
case DT_RELA:
DL_ERR("unsupported DT_RELA in \"%s\"", si->name);
DEBUG("%s constructors (DT_INIT_ARRAY) found at %p", si->name, si->init_array);
break;
case DT_INIT_ARRAYSZ:
- si->init_array_count = ((unsigned)d->d_un.d_val) / sizeof(Elf_Addr);
+ si->init_array_count = ((unsigned)d->d_un.d_val) / sizeof(ElfW(Addr));
break;
case DT_FINI_ARRAY:
si->fini_array = reinterpret_cast<linker_function_t*>(base + d->d_un.d_ptr);
DEBUG("%s destructors (DT_FINI_ARRAY) found at %p", si->name, si->fini_array);
break;
case DT_FINI_ARRAYSZ:
- si->fini_array_count = ((unsigned)d->d_un.d_val) / sizeof(Elf_Addr);
+ si->fini_array_count = ((unsigned)d->d_un.d_val) / sizeof(ElfW(Addr));
break;
case DT_PREINIT_ARRAY:
si->preinit_array = reinterpret_cast<linker_function_t*>(base + d->d_un.d_ptr);
DEBUG("%s constructors (DT_PREINIT_ARRAY) found at %p", si->name, si->preinit_array);
break;
case DT_PREINIT_ARRAYSZ:
- si->preinit_array_count = ((unsigned)d->d_un.d_val) / sizeof(Elf_Addr);
+ si->preinit_array_count = ((unsigned)d->d_un.d_val) / sizeof(ElfW(Addr));
break;
case DT_TEXTREL:
#if defined(__LP64__)
soinfo** needed = (soinfo**) alloca((1 + needed_count) * sizeof(soinfo*));
soinfo** pneeded = needed;
- for (Elf_Dyn* d = si->dynamic; d->d_tag != DT_NULL; ++d) {
+ for (ElfW(Dyn)* d = si->dynamic; d->d_tag != DT_NULL; ++d) {
if (d->d_tag == DT_NEEDED) {
const char* library_name = si->strtab + d->d_un.d_val;
DEBUG("%s needs %s", si->name, library_name);
*/
static void add_vdso(KernelArgumentBlock& args UNUSED) {
#if defined(AT_SYSINFO_EHDR)
- Elf_Ehdr* ehdr_vdso = reinterpret_cast<Elf_Ehdr*>(args.getauxval(AT_SYSINFO_EHDR));
- if (ehdr_vdso == NULL) {
- return;
- }
+ ElfW(Ehdr)* ehdr_vdso = reinterpret_cast<ElfW(Ehdr)*>(args.getauxval(AT_SYSINFO_EHDR));
+ if (ehdr_vdso == NULL) {
+ return;
+ }
- soinfo* si = soinfo_alloc("[vdso]");
+ soinfo* si = soinfo_alloc("[vdso]");
- si->phdr = reinterpret_cast<Elf_Phdr*>(reinterpret_cast<char*>(ehdr_vdso) + ehdr_vdso->e_phoff);
- si->phnum = ehdr_vdso->e_phnum;
- si->base = reinterpret_cast<Elf_Addr>(ehdr_vdso);
- si->size = phdr_table_get_load_size(si->phdr, si->phnum);
- si->flags = 0;
- si->load_bias = get_elf_exec_load_bias(ehdr_vdso);
+ si->phdr = reinterpret_cast<ElfW(Phdr)*>(reinterpret_cast<char*>(ehdr_vdso) + ehdr_vdso->e_phoff);
+ si->phnum = ehdr_vdso->e_phnum;
+ si->base = reinterpret_cast<ElfW(Addr)>(ehdr_vdso);
+ si->size = phdr_table_get_load_size(si->phdr, si->phnum);
+ si->flags = 0;
+ si->load_bias = get_elf_exec_load_bias(ehdr_vdso);
- soinfo_link_image(si);
+ soinfo_link_image(si);
#endif
}
* fixed it's own GOT. It is safe to make references to externs
* and other non-local data at this point.
*/
-static Elf_Addr __linker_init_post_relocation(KernelArgumentBlock& args, Elf_Addr linker_base) {
+static ElfW(Addr) __linker_init_post_relocation(KernelArgumentBlock& args, ElfW(Addr) linker_base) {
/* NOTE: we store the args pointer on a special location
* of the temporary TLS area in order to pass it to
* the C Library's runtime initializer.
* warning: .dynamic section for "/system/bin/linker" is not at the
* expected address (wrong library or version mismatch?)
*/
- Elf_Ehdr *elf_hdr = (Elf_Ehdr *) linker_base;
- Elf_Phdr *phdr = (Elf_Phdr*)((unsigned char*) linker_base + elf_hdr->e_phoff);
+ ElfW(Ehdr)* elf_hdr = reinterpret_cast<ElfW(Ehdr)*>(linker_base);
+ ElfW(Phdr)* phdr = reinterpret_cast<ElfW(Phdr)*>((unsigned char*) linker_base + elf_hdr->e_phoff);
phdr_table_get_dynamic_section(phdr, elf_hdr->e_phnum, linker_base,
&linker_soinfo.dynamic, NULL, NULL);
insert_soinfo_into_debug_map(&linker_soinfo);
}
// Extract information passed from the kernel.
- si->phdr = reinterpret_cast<Elf_Phdr*>(args.getauxval(AT_PHDR));
+ si->phdr = reinterpret_cast<ElfW(Phdr)*>(args.getauxval(AT_PHDR));
si->phnum = args.getauxval(AT_PHNUM);
si->entry = args.getauxval(AT_ENTRY);
si->load_bias = 0;
for (size_t i = 0; i < si->phnum; ++i) {
if (si->phdr[i].p_type == PT_PHDR) {
- si->load_bias = reinterpret_cast<Elf_Addr>(si->phdr) - si->phdr[i].p_vaddr;
- si->base = reinterpret_cast<Elf_Addr>(si->phdr) - si->phdr[i].p_offset;
+ si->load_bias = reinterpret_cast<ElfW(Addr)>(si->phdr) - si->phdr[i].p_vaddr;
+ si->base = reinterpret_cast<ElfW(Addr)>(si->phdr) - si->phdr[i].p_offset;
break;
}
}
* load bias, i.e. add the value of any p_vaddr in the file to get
* the corresponding address in memory.
*/
-static Elf_Addr get_elf_exec_load_bias(const Elf_Ehdr* elf) {
- Elf_Addr offset = elf->e_phoff;
- const Elf_Phdr* phdr_table = (const Elf_Phdr*)((char*)elf + offset);
- const Elf_Phdr* phdr_end = phdr_table + elf->e_phnum;
+static ElfW(Addr) get_elf_exec_load_bias(const ElfW(Ehdr)* elf) {
+ ElfW(Addr) offset = elf->e_phoff;
+ const ElfW(Phdr)* phdr_table = reinterpret_cast<const ElfW(Phdr)*>((char*)elf + offset);
+ const ElfW(Phdr)* phdr_end = phdr_table + elf->e_phnum;
- for (const Elf_Phdr* phdr = phdr_table; phdr < phdr_end; phdr++) {
+ for (const ElfW(Phdr)* phdr = phdr_table; phdr < phdr_end; phdr++) {
if (phdr->p_type == PT_LOAD) {
- return reinterpret_cast<Elf_Addr>(elf) + phdr->p_offset - phdr->p_vaddr;
+ return reinterpret_cast<ElfW(Addr)>(elf) + phdr->p_offset - phdr->p_vaddr;
}
}
return 0;
* relocations, any attempt to reference an extern variable, extern
* function, or other GOT reference will generate a segfault.
*/
-extern "C" Elf_Addr __linker_init(void* raw_args) {
+extern "C" ElfW(Addr) __linker_init(void* raw_args) {
KernelArgumentBlock args(raw_args);
- Elf_Addr linker_addr = args.getauxval(AT_BASE);
- Elf_Ehdr* elf_hdr = reinterpret_cast<Elf_Ehdr*>(linker_addr);
- Elf_Phdr* phdr = (Elf_Phdr*)((unsigned char*) linker_addr + elf_hdr->e_phoff);
+ ElfW(Addr) linker_addr = args.getauxval(AT_BASE);
+ ElfW(Ehdr)* elf_hdr = reinterpret_cast<ElfW(Ehdr)*>(linker_addr);
+ ElfW(Phdr)* phdr = reinterpret_cast<ElfW(Phdr)*>((unsigned char*) linker_addr + elf_hdr->e_phoff);
soinfo linker_so;
memset(&linker_so, 0, sizeof(soinfo));
// We have successfully fixed our own relocations. It's safe to run
// the main part of the linker now.
args.abort_message_ptr = &gAbortMessage;
- Elf_Addr start_address = __linker_init_post_relocation(args, linker_addr);
+ ElfW(Addr) start_address = __linker_init_post_relocation(args, linker_addr);
set_soinfo_pool_protection(PROT_READ);
__libc_format_fd(2, "\n"); \
} while (false)
+#if defined(__LP64__)
+#define ELFW(what) ELF64_ ## what
+#else
+#define ELFW(what) ELF32_ ## what
+#endif
// Returns the address of the page containing address 'x'.
#define PAGE_START(x) ((x) & PAGE_MASK)
struct soinfo {
public:
char name[SOINFO_NAME_LEN];
- const Elf_Phdr* phdr;
+ const ElfW(Phdr)* phdr;
size_t phnum;
- Elf_Addr entry;
- Elf_Addr base;
+ ElfW(Addr) entry;
+ ElfW(Addr) base;
size_t size;
#ifndef __LP64__
uint32_t unused1; // DO NOT USE, maintained for compatibility.
#endif
- Elf_Dyn* dynamic;
+ ElfW(Dyn)* dynamic;
#ifndef __LP64__
uint32_t unused2; // DO NOT USE, maintained for compatibility
unsigned flags;
const char* strtab;
- Elf_Sym* symtab;
+ ElfW(Sym)* symtab;
size_t nbucket;
size_t nchain;
#endif
#if defined(USE_RELA)
- Elf_Rela* plt_rela;
+ ElfW(Rela)* plt_rela;
size_t plt_rela_count;
- Elf_Rela* rela;
+ ElfW(Rela)* rela;
size_t rela_count;
#else
- Elf_Rel* plt_rel;
+ ElfW(Rel)* plt_rel;
size_t plt_rel_count;
- Elf_Rel* rel;
+ ElfW(Rel)* rel;
size_t rel_count;
#endif
// When you read a virtual address from the ELF file, add this
// value to get the corresponding address in the process' address space.
- Elf_Addr load_bias;
+ ElfW(Addr) load_bias;
#if !defined(__LP64__)
bool has_text_relocations;
soinfo* do_dlopen(const char* name, int flags);
int do_dlclose(soinfo* si);
-Elf_Sym* dlsym_linear_lookup(const char* name, soinfo** found, soinfo* start);
+ElfW(Sym)* dlsym_linear_lookup(const char* name, soinfo** found, soinfo* start);
soinfo* find_containing_library(const void* addr);
-Elf_Sym* dladdr_find_symbol(soinfo* si, const void* addr);
-Elf_Sym* dlsym_handle_lookup(soinfo* si, const char* name);
+ElfW(Sym)* dladdr_find_symbol(soinfo* si, const void* addr);
+ElfW(Sym)* dlsym_handle_lookup(soinfo* si, const char* name);
void debuggerd_init();
extern "C" abort_msg_t* gAbortMessage;
p_vaddr -> segment's virtual address
p_flags -> segment flags (e.g. readable, writable, executable)
- We will ignore the p_paddr and p_align fields of Elf_Phdr for now.
+ We will ignore the p_paddr and p_align fields of ElfW(Phdr) for now.
The loadable segments can be seen as a list of [p_vaddr ... p_vaddr+p_memsz)
ranges of virtual addresses. A few rules apply:
// Like the kernel, we only accept program header tables that
// are smaller than 64KiB.
- if (phdr_num_ < 1 || phdr_num_ > 65536/sizeof(Elf_Phdr)) {
+ if (phdr_num_ < 1 || phdr_num_ > 65536/sizeof(ElfW(Phdr))) {
DL_ERR("\"%s\" has invalid e_phnum: %zd", name_, phdr_num_);
return false;
}
- Elf_Addr page_min = PAGE_START(header_.e_phoff);
- Elf_Addr page_max = PAGE_END(header_.e_phoff + (phdr_num_ * sizeof(Elf_Phdr)));
- Elf_Addr page_offset = PAGE_OFFSET(header_.e_phoff);
+ ElfW(Addr) page_min = PAGE_START(header_.e_phoff);
+ ElfW(Addr) page_max = PAGE_END(header_.e_phoff + (phdr_num_ * sizeof(ElfW(Phdr))));
+ ElfW(Addr) page_offset = PAGE_OFFSET(header_.e_phoff);
phdr_size_ = page_max - page_min;
}
phdr_mmap_ = mmap_result;
- phdr_table_ = reinterpret_cast<Elf_Phdr*>(reinterpret_cast<char*>(mmap_result) + page_offset);
+ phdr_table_ = reinterpret_cast<ElfW(Phdr)*>(reinterpret_cast<char*>(mmap_result) + page_offset);
return true;
}
* set to the minimum and maximum addresses of pages to be reserved,
* or 0 if there is nothing to load.
*/
-size_t phdr_table_get_load_size(const Elf_Phdr* phdr_table, size_t phdr_count,
- Elf_Addr* out_min_vaddr,
- Elf_Addr* out_max_vaddr) {
- Elf_Addr min_vaddr = UINTPTR_MAX;
- Elf_Addr max_vaddr = 0;
-
- bool found_pt_load = false;
- for (size_t i = 0; i < phdr_count; ++i) {
- const Elf_Phdr* phdr = &phdr_table[i];
-
- if (phdr->p_type != PT_LOAD) {
- continue;
- }
- found_pt_load = true;
-
- if (phdr->p_vaddr < min_vaddr) {
- min_vaddr = phdr->p_vaddr;
- }
-
- if (phdr->p_vaddr + phdr->p_memsz > max_vaddr) {
- max_vaddr = phdr->p_vaddr + phdr->p_memsz;
- }
- }
- if (!found_pt_load) {
- min_vaddr = 0;
- }
+size_t phdr_table_get_load_size(const ElfW(Phdr)* phdr_table, size_t phdr_count,
+ ElfW(Addr)* out_min_vaddr,
+ ElfW(Addr)* out_max_vaddr) {
+ ElfW(Addr) min_vaddr = UINTPTR_MAX;
+ ElfW(Addr) max_vaddr = 0;
- min_vaddr = PAGE_START(min_vaddr);
- max_vaddr = PAGE_END(max_vaddr);
+ bool found_pt_load = false;
+ for (size_t i = 0; i < phdr_count; ++i) {
+ const ElfW(Phdr)* phdr = &phdr_table[i];
- if (out_min_vaddr != NULL) {
- *out_min_vaddr = min_vaddr;
+ if (phdr->p_type != PT_LOAD) {
+ continue;
}
- if (out_max_vaddr != NULL) {
- *out_max_vaddr = max_vaddr;
+ found_pt_load = true;
+
+ if (phdr->p_vaddr < min_vaddr) {
+ min_vaddr = phdr->p_vaddr;
}
- return max_vaddr - min_vaddr;
+
+ if (phdr->p_vaddr + phdr->p_memsz > max_vaddr) {
+ max_vaddr = phdr->p_vaddr + phdr->p_memsz;
+ }
+ }
+ if (!found_pt_load) {
+ min_vaddr = 0;
+ }
+
+ min_vaddr = PAGE_START(min_vaddr);
+ max_vaddr = PAGE_END(max_vaddr);
+
+ if (out_min_vaddr != NULL) {
+ *out_min_vaddr = min_vaddr;
+ }
+ if (out_max_vaddr != NULL) {
+ *out_max_vaddr = max_vaddr;
+ }
+ return max_vaddr - min_vaddr;
}
// Reserve a virtual address range big enough to hold all loadable
// segments of a program header table. This is done by creating a
// private anonymous mmap() with PROT_NONE.
bool ElfReader::ReserveAddressSpace() {
- Elf_Addr min_vaddr;
+ ElfW(Addr) min_vaddr;
load_size_ = phdr_table_get_load_size(phdr_table_, phdr_num_, &min_vaddr);
if (load_size_ == 0) {
DL_ERR("\"%s\" has no loadable segments", name_);
bool ElfReader::LoadSegments() {
for (size_t i = 0; i < phdr_num_; ++i) {
- const Elf_Phdr* phdr = &phdr_table_[i];
+ const ElfW(Phdr)* phdr = &phdr_table_[i];
if (phdr->p_type != PT_LOAD) {
continue;
}
// Segment addresses in memory.
- Elf_Addr seg_start = phdr->p_vaddr + load_bias_;
- Elf_Addr seg_end = seg_start + phdr->p_memsz;
+ ElfW(Addr) seg_start = phdr->p_vaddr + load_bias_;
+ ElfW(Addr) seg_end = seg_start + phdr->p_memsz;
- Elf_Addr seg_page_start = PAGE_START(seg_start);
- Elf_Addr seg_page_end = PAGE_END(seg_end);
+ ElfW(Addr) seg_page_start = PAGE_START(seg_start);
+ ElfW(Addr) seg_page_end = PAGE_END(seg_end);
- Elf_Addr seg_file_end = seg_start + phdr->p_filesz;
+ ElfW(Addr) seg_file_end = seg_start + phdr->p_filesz;
// File offsets.
- Elf_Addr file_start = phdr->p_offset;
- Elf_Addr file_end = file_start + phdr->p_filesz;
+ ElfW(Addr) file_start = phdr->p_offset;
+ ElfW(Addr) file_end = file_start + phdr->p_filesz;
- Elf_Addr file_page_start = PAGE_START(file_start);
- Elf_Addr file_length = file_end - file_page_start;
+ ElfW(Addr) file_page_start = PAGE_START(file_start);
+ ElfW(Addr) file_length = file_end - file_page_start;
if (file_length != 0) {
void* seg_addr = mmap((void*)seg_page_start,
* with optional extra flags (i.e. really PROT_WRITE). Used by
* phdr_table_protect_segments and phdr_table_unprotect_segments.
*/
-static int _phdr_table_set_load_prot(const Elf_Phdr* phdr_table, size_t phdr_count,
- Elf_Addr load_bias, int extra_prot_flags) {
- const Elf_Phdr* phdr = phdr_table;
- const Elf_Phdr* phdr_limit = phdr + phdr_count;
-
- for (; phdr < phdr_limit; phdr++) {
- if (phdr->p_type != PT_LOAD || (phdr->p_flags & PF_W) != 0)
- continue;
-
- Elf_Addr seg_page_start = PAGE_START(phdr->p_vaddr) + load_bias;
- Elf_Addr seg_page_end = PAGE_END(phdr->p_vaddr + phdr->p_memsz) + load_bias;
-
- int ret = mprotect((void*)seg_page_start,
- seg_page_end - seg_page_start,
- PFLAGS_TO_PROT(phdr->p_flags) | extra_prot_flags);
- if (ret < 0) {
- return -1;
- }
+static int _phdr_table_set_load_prot(const ElfW(Phdr)* phdr_table, size_t phdr_count,
+ ElfW(Addr) load_bias, int extra_prot_flags) {
+ const ElfW(Phdr)* phdr = phdr_table;
+ const ElfW(Phdr)* phdr_limit = phdr + phdr_count;
+
+ for (; phdr < phdr_limit; phdr++) {
+ if (phdr->p_type != PT_LOAD || (phdr->p_flags & PF_W) != 0) {
+ continue;
}
- return 0;
+
+ ElfW(Addr) seg_page_start = PAGE_START(phdr->p_vaddr) + load_bias;
+ ElfW(Addr) seg_page_end = PAGE_END(phdr->p_vaddr + phdr->p_memsz) + load_bias;
+
+ int ret = mprotect((void*)seg_page_start,
+ seg_page_end - seg_page_start,
+ PFLAGS_TO_PROT(phdr->p_flags) | extra_prot_flags);
+ if (ret < 0) {
+ return -1;
+ }
+ }
+ return 0;
}
/* Restore the original protection modes for all loadable segments.
* Return:
* 0 on error, -1 on failure (error code in errno).
*/
-int phdr_table_protect_segments(const Elf_Phdr* phdr_table, size_t phdr_count, Elf_Addr load_bias) {
- return _phdr_table_set_load_prot(phdr_table, phdr_count, load_bias, 0);
+int phdr_table_protect_segments(const ElfW(Phdr)* phdr_table, size_t phdr_count, ElfW(Addr) load_bias) {
+ return _phdr_table_set_load_prot(phdr_table, phdr_count, load_bias, 0);
}
/* Change the protection of all loaded segments in memory to writable.
* Return:
* 0 on error, -1 on failure (error code in errno).
*/
-int phdr_table_unprotect_segments(const Elf_Phdr* phdr_table, size_t phdr_count, Elf_Addr load_bias) {
- return _phdr_table_set_load_prot(phdr_table, phdr_count, load_bias, PROT_WRITE);
+int phdr_table_unprotect_segments(const ElfW(Phdr)* phdr_table, size_t phdr_count, ElfW(Addr) load_bias) {
+ return _phdr_table_set_load_prot(phdr_table, phdr_count, load_bias, PROT_WRITE);
}
/* Used internally by phdr_table_protect_gnu_relro and
* phdr_table_unprotect_gnu_relro.
*/
-static int _phdr_table_set_gnu_relro_prot(const Elf_Phdr* phdr_table, size_t phdr_count,
- Elf_Addr load_bias, int prot_flags) {
- const Elf_Phdr* phdr = phdr_table;
- const Elf_Phdr* phdr_limit = phdr + phdr_count;
-
- for (phdr = phdr_table; phdr < phdr_limit; phdr++) {
- if (phdr->p_type != PT_GNU_RELRO)
- continue;
-
- /* Tricky: what happens when the relro segment does not start
- * or end at page boundaries?. We're going to be over-protective
- * here and put every page touched by the segment as read-only.
- *
- * This seems to match Ian Lance Taylor's description of the
- * feature at http://www.airs.com/blog/archives/189.
- *
- * Extract:
- * Note that the current dynamic linker code will only work
- * correctly if the PT_GNU_RELRO segment starts on a page
- * boundary. This is because the dynamic linker rounds the
- * p_vaddr field down to the previous page boundary. If
- * there is anything on the page which should not be read-only,
- * the program is likely to fail at runtime. So in effect the
- * linker must only emit a PT_GNU_RELRO segment if it ensures
- * that it starts on a page boundary.
- */
- Elf_Addr seg_page_start = PAGE_START(phdr->p_vaddr) + load_bias;
- Elf_Addr seg_page_end = PAGE_END(phdr->p_vaddr + phdr->p_memsz) + load_bias;
-
- int ret = mprotect((void*)seg_page_start,
- seg_page_end - seg_page_start,
- prot_flags);
- if (ret < 0) {
- return -1;
- }
+static int _phdr_table_set_gnu_relro_prot(const ElfW(Phdr)* phdr_table, size_t phdr_count,
+ ElfW(Addr) load_bias, int prot_flags) {
+ const ElfW(Phdr)* phdr = phdr_table;
+ const ElfW(Phdr)* phdr_limit = phdr + phdr_count;
+
+ for (phdr = phdr_table; phdr < phdr_limit; phdr++) {
+ if (phdr->p_type != PT_GNU_RELRO) {
+ continue;
}
- return 0;
+
+ // Tricky: what happens when the relro segment does not start
+ // or end at page boundaries? We're going to be over-protective
+ // here and put every page touched by the segment as read-only.
+
+ // This seems to match Ian Lance Taylor's description of the
+ // feature at http://www.airs.com/blog/archives/189.
+
+ // Extract:
+ // Note that the current dynamic linker code will only work
+ // correctly if the PT_GNU_RELRO segment starts on a page
+ // boundary. This is because the dynamic linker rounds the
+ // p_vaddr field down to the previous page boundary. If
+ // there is anything on the page which should not be read-only,
+ // the program is likely to fail at runtime. So in effect the
+ // linker must only emit a PT_GNU_RELRO segment if it ensures
+ // that it starts on a page boundary.
+ ElfW(Addr) seg_page_start = PAGE_START(phdr->p_vaddr) + load_bias;
+ ElfW(Addr) seg_page_end = PAGE_END(phdr->p_vaddr + phdr->p_memsz) + load_bias;
+
+ int ret = mprotect((void*)seg_page_start,
+ seg_page_end - seg_page_start,
+ prot_flags);
+ if (ret < 0) {
+ return -1;
+ }
+ }
+ return 0;
}
/* Apply GNU relro protection if specified by the program header. This will
* Return:
* 0 on error, -1 on failure (error code in errno).
*/
-int phdr_table_protect_gnu_relro(const Elf_Phdr* phdr_table, size_t phdr_count, Elf_Addr load_bias) {
- return _phdr_table_set_gnu_relro_prot(phdr_table, phdr_count, load_bias, PROT_READ);
+int phdr_table_protect_gnu_relro(const ElfW(Phdr)* phdr_table, size_t phdr_count, ElfW(Addr) load_bias) {
+ return _phdr_table_set_gnu_relro_prot(phdr_table, phdr_count, load_bias, PROT_READ);
}
#if defined(__arm__)
* Return:
* 0 on error, -1 on failure (_no_ error code in errno)
*/
-int phdr_table_get_arm_exidx(const Elf_Phdr* phdr_table, size_t phdr_count,
- Elf_Addr load_bias,
- Elf_Addr** arm_exidx, unsigned* arm_exidx_count) {
- const Elf_Phdr* phdr = phdr_table;
- const Elf_Phdr* phdr_limit = phdr + phdr_count;
-
- for (phdr = phdr_table; phdr < phdr_limit; phdr++) {
- if (phdr->p_type != PT_ARM_EXIDX)
- continue;
-
- *arm_exidx = (Elf_Addr*)(load_bias + phdr->p_vaddr);
- *arm_exidx_count = (unsigned)(phdr->p_memsz / 8);
- return 0;
+int phdr_table_get_arm_exidx(const ElfW(Phdr)* phdr_table, size_t phdr_count,
+ ElfW(Addr) load_bias,
+ ElfW(Addr)** arm_exidx, unsigned* arm_exidx_count) {
+ const ElfW(Phdr)* phdr = phdr_table;
+ const ElfW(Phdr)* phdr_limit = phdr + phdr_count;
+
+ for (phdr = phdr_table; phdr < phdr_limit; phdr++) {
+ if (phdr->p_type != PT_ARM_EXIDX) {
+ continue;
}
- *arm_exidx = NULL;
- *arm_exidx_count = 0;
- return -1;
+
+ *arm_exidx = reinterpret_cast<ElfW(Addr)*>(load_bias + phdr->p_vaddr);
+ *arm_exidx_count = (unsigned)(phdr->p_memsz / 8);
+ return 0;
+ }
+ *arm_exidx = NULL;
+ *arm_exidx_count = 0;
+ return -1;
}
#endif
* Return:
* void
*/
-void phdr_table_get_dynamic_section(const Elf_Phdr* phdr_table, size_t phdr_count,
- Elf_Addr load_bias,
- Elf_Dyn** dynamic, size_t* dynamic_count, Elf_Word* dynamic_flags) {
- const Elf_Phdr* phdr = phdr_table;
- const Elf_Phdr* phdr_limit = phdr + phdr_count;
-
- for (phdr = phdr_table; phdr < phdr_limit; phdr++) {
- if (phdr->p_type != PT_DYNAMIC) {
- continue;
- }
-
- *dynamic = reinterpret_cast<Elf_Dyn*>(load_bias + phdr->p_vaddr);
- if (dynamic_count) {
- *dynamic_count = (unsigned)(phdr->p_memsz / 8);
- }
- if (dynamic_flags) {
- *dynamic_flags = phdr->p_flags;
- }
- return;
+void phdr_table_get_dynamic_section(const ElfW(Phdr)* phdr_table, size_t phdr_count,
+ ElfW(Addr) load_bias,
+ ElfW(Dyn)** dynamic, size_t* dynamic_count, ElfW(Word)* dynamic_flags) {
+ const ElfW(Phdr)* phdr = phdr_table;
+ const ElfW(Phdr)* phdr_limit = phdr + phdr_count;
+
+ for (phdr = phdr_table; phdr < phdr_limit; phdr++) {
+ if (phdr->p_type != PT_DYNAMIC) {
+ continue;
}
- *dynamic = NULL;
+
+ *dynamic = reinterpret_cast<ElfW(Dyn)*>(load_bias + phdr->p_vaddr);
if (dynamic_count) {
- *dynamic_count = 0;
+ *dynamic_count = (unsigned)(phdr->p_memsz / 8);
+ }
+ if (dynamic_flags) {
+ *dynamic_flags = phdr->p_flags;
}
+ return;
+ }
+ *dynamic = NULL;
+ if (dynamic_count) {
+ *dynamic_count = 0;
+ }
}
// Returns the address of the program header table as it appears in the loaded
// segments in memory. This is in contrast with 'phdr_table_' which
// is temporary and will be released before the library is relocated.
bool ElfReader::FindPhdr() {
- const Elf_Phdr* phdr_limit = phdr_table_ + phdr_num_;
+ const ElfW(Phdr)* phdr_limit = phdr_table_ + phdr_num_;
// If there is a PT_PHDR, use it directly.
- for (const Elf_Phdr* phdr = phdr_table_; phdr < phdr_limit; ++phdr) {
+ for (const ElfW(Phdr)* phdr = phdr_table_; phdr < phdr_limit; ++phdr) {
if (phdr->p_type == PT_PHDR) {
return CheckPhdr(load_bias_ + phdr->p_vaddr);
}
// Otherwise, check the first loadable segment. If its file offset
// is 0, it starts with the ELF header, and we can trivially find the
// loaded program header from it.
- for (const Elf_Phdr* phdr = phdr_table_; phdr < phdr_limit; ++phdr) {
+ for (const ElfW(Phdr)* phdr = phdr_table_; phdr < phdr_limit; ++phdr) {
if (phdr->p_type == PT_LOAD) {
if (phdr->p_offset == 0) {
- Elf_Addr elf_addr = load_bias_ + phdr->p_vaddr;
- const Elf_Ehdr* ehdr = (const Elf_Ehdr*)(void*)elf_addr;
- Elf_Addr offset = ehdr->e_phoff;
- return CheckPhdr((Elf_Addr)ehdr + offset);
+ ElfW(Addr) elf_addr = load_bias_ + phdr->p_vaddr;
+ const ElfW(Ehdr)* ehdr = (const ElfW(Ehdr)*)(void*)elf_addr;
+ ElfW(Addr) offset = ehdr->e_phoff;
+ return CheckPhdr((ElfW(Addr))ehdr + offset);
}
break;
}
// Ensures that our program header is actually within a loadable
// segment. This should help catch badly-formed ELF files that
// would cause the linker to crash later when trying to access it.
-bool ElfReader::CheckPhdr(Elf_Addr loaded) {
- const Elf_Phdr* phdr_limit = phdr_table_ + phdr_num_;
- Elf_Addr loaded_end = loaded + (phdr_num_ * sizeof(Elf_Phdr));
- for (Elf_Phdr* phdr = phdr_table_; phdr < phdr_limit; ++phdr) {
+bool ElfReader::CheckPhdr(ElfW(Addr) loaded) {
+ const ElfW(Phdr)* phdr_limit = phdr_table_ + phdr_num_;
+ ElfW(Addr) loaded_end = loaded + (phdr_num_ * sizeof(ElfW(Phdr)));
+ for (ElfW(Phdr)* phdr = phdr_table_; phdr < phdr_limit; ++phdr) {
if (phdr->p_type != PT_LOAD) {
continue;
}
- Elf_Addr seg_start = phdr->p_vaddr + load_bias_;
- Elf_Addr seg_end = phdr->p_filesz + seg_start;
+ ElfW(Addr) seg_start = phdr->p_vaddr + load_bias_;
+ ElfW(Addr) seg_end = phdr->p_filesz + seg_start;
if (seg_start <= loaded && loaded_end <= seg_end) {
- loaded_phdr_ = reinterpret_cast<const Elf_Phdr*>(loaded);
+ loaded_phdr_ = reinterpret_cast<const ElfW(Phdr)*>(loaded);
return true;
}
}
bool Load();
size_t phdr_count() { return phdr_num_; }
- Elf_Addr load_start() { return reinterpret_cast<Elf_Addr>(load_start_); }
+ ElfW(Addr) load_start() { return reinterpret_cast<ElfW(Addr)>(load_start_); }
size_t load_size() { return load_size_; }
- Elf_Addr load_bias() { return load_bias_; }
- const Elf_Phdr* loaded_phdr() { return loaded_phdr_; }
+ ElfW(Addr) load_bias() { return load_bias_; }
+ const ElfW(Phdr)* loaded_phdr() { return loaded_phdr_; }
private:
bool ReadElfHeader();
bool ReserveAddressSpace();
bool LoadSegments();
bool FindPhdr();
- bool CheckPhdr(Elf_Addr);
+ bool CheckPhdr(ElfW(Addr));
const char* name_;
int fd_;
- Elf_Ehdr header_;
+ ElfW(Ehdr) header_;
size_t phdr_num_;
void* phdr_mmap_;
- Elf_Phdr* phdr_table_;
- Elf_Addr phdr_size_;
+ ElfW(Phdr)* phdr_table_;
+ ElfW(Addr) phdr_size_;
// First page of reserved address space.
void* load_start_;
// Size in bytes of reserved address space.
size_t load_size_;
// Load bias.
- Elf_Addr load_bias_;
+ ElfW(Addr) load_bias_;
// Loaded phdr.
- const Elf_Phdr* loaded_phdr_;
+ const ElfW(Phdr)* loaded_phdr_;
};
-size_t phdr_table_get_load_size(const Elf_Phdr* phdr_table, size_t phdr_count,
- Elf_Addr* min_vaddr = NULL, Elf_Addr* max_vaddr = NULL);
+size_t phdr_table_get_load_size(const ElfW(Phdr)* phdr_table, size_t phdr_count,
+ ElfW(Addr)* min_vaddr = NULL, ElfW(Addr)* max_vaddr = NULL);
-int phdr_table_protect_segments(const Elf_Phdr* phdr_table, size_t phdr_count, Elf_Addr load_bias);
+int phdr_table_protect_segments(const ElfW(Phdr)* phdr_table, size_t phdr_count, ElfW(Addr) load_bias);
-int phdr_table_unprotect_segments(const Elf_Phdr* phdr_table, size_t phdr_count, Elf_Addr load_bias);
+int phdr_table_unprotect_segments(const ElfW(Phdr)* phdr_table, size_t phdr_count, ElfW(Addr) load_bias);
-int phdr_table_protect_gnu_relro(const Elf_Phdr* phdr_table, size_t phdr_count, Elf_Addr load_bias);
+int phdr_table_protect_gnu_relro(const ElfW(Phdr)* phdr_table, size_t phdr_count, ElfW(Addr) load_bias);
#if defined(__arm__)
-int phdr_table_get_arm_exidx(const Elf_Phdr* phdr_table, size_t phdr_count, Elf_Addr load_bias,
- Elf_Addr** arm_exidx, unsigned* arm_exidix_count);
+int phdr_table_get_arm_exidx(const ElfW(Phdr)* phdr_table, size_t phdr_count, ElfW(Addr) load_bias,
+ ElfW(Addr)** arm_exidx, unsigned* arm_exidix_count);
#endif
-void phdr_table_get_dynamic_section(const Elf_Phdr* phdr_table, size_t phdr_count,
- Elf_Addr load_bias,
- Elf_Dyn** dynamic, size_t* dynamic_count, Elf_Word* dynamic_flags);
+void phdr_table_get_dynamic_section(const ElfW(Phdr)* phdr_table, size_t phdr_count,
+ ElfW(Addr) load_bias,
+ ElfW(Dyn)** dynamic, size_t* dynamic_count, ElfW(Word)* dynamic_flags);
#endif /* LINKER_PHDR_H */
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