+/* SPDX-License-Identifier: BSD-3-Clause */
/*
* Copyright (c) 1995, 1996, 2001, 2002
* Erik Theisen. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
*/
/* This is the ELF ABI header file formerly known as "elf_abi.h" */
#ifndef _ELF_H
#define _ELF_H
-#ifndef __ASSEMBLER__
+#ifndef __ASSEMBLY__
#include "compiler.h"
/* This version doesn't work for 64-bit ABIs - Erik */
header string table" entry offset */
} Elf32_Ehdr;
+typedef struct {
+ unsigned char e_ident[EI_NIDENT]; /* ELF Identification */
+ Elf64_Half e_type; /* object file type */
+ Elf64_Half e_machine; /* machine */
+ Elf64_Word e_version; /* object file version */
+ Elf64_Addr e_entry; /* virtual entry point */
+ Elf64_Off e_phoff; /* program header table offset */
+ Elf64_Off e_shoff; /* section header table offset */
+ Elf64_Word e_flags; /* processor-specific flags */
+ Elf64_Half e_ehsize; /* ELF header size */
+ Elf64_Half e_phentsize; /* program header entry size */
+ Elf64_Half e_phnum; /* number of program header entries */
+ Elf64_Half e_shentsize; /* section header entry size */
+ Elf64_Half e_shnum; /* number of section header entries */
+ Elf64_Half e_shstrndx; /* section header table's "section
+ header string table" entry offset */
+} Elf64_Ehdr;
+
/* e_type */
#define ET_NONE 0 /* No file type */
#define ET_REL 1 /* relocatable file */
Elf32_Word sh_entsize; /* section entry size */
} Elf32_Shdr;
+typedef struct {
+ Elf64_Word sh_name; /* name - index into section header
+ string table section */
+ Elf64_Word sh_type; /* type */
+ Elf64_Xword sh_flags; /* flags */
+ Elf64_Addr sh_addr; /* address */
+ Elf64_Off sh_offset; /* file offset */
+ Elf64_Xword sh_size; /* section size */
+ Elf64_Word sh_link; /* section header table index link */
+ Elf64_Word sh_info; /* extra information */
+ Elf64_Xword sh_addralign; /* address alignment */
+ Elf64_Xword sh_entsize; /* section entry size */
+} Elf64_Shdr;
+
/* Special Section Indexes */
#define SHN_UNDEF 0 /* undefined */
#define SHN_LORESERVE 0xff00 /* lower bounds of reserved indexes */
Elf32_Word p_align; /* memory alignment */
} Elf32_Phdr;
+typedef struct {
+ Elf64_Word p_type; /* segment type */
+ Elf64_Word p_flags; /* flags */
+ Elf64_Off p_offset; /* segment offset */
+ Elf64_Addr p_vaddr; /* virtual address of segment */
+ Elf64_Addr p_paddr; /* physical address of segment */
+ Elf64_Xword p_filesz; /* number of bytes in file for seg */
+ Elf64_Xword p_memsz; /* number of bytes in mem. for seg */
+ Elf64_Xword p_align; /* memory alignment */
+} Elf64_Phdr;
+
/* Segment types - p_type */
#define PT_NULL 0 /* unused */
#define PT_LOAD 1 /* loadable segment */
#endif /* __ASSEMBLER */
+/* ELF register definitions */
+#define R_386_NONE 0
+#define R_386_32 1
+#define R_386_PC32 2
+#define R_386_GOT32 3
+#define R_386_PLT32 4
+#define R_386_COPY 5
+#define R_386_GLOB_DAT 6
+#define R_386_JMP_SLOT 7
+#define R_386_RELATIVE 8
+#define R_386_GOTOFF 9
+#define R_386_GOTPC 10
+#define R_386_NUM 11
+
+/* x86-64 relocation types */
+#define R_X86_64_NONE 0 /* No reloc */
+#define R_X86_64_64 1 /* Direct 64 bit */
+#define R_X86_64_PC32 2 /* PC relative 32 bit signed */
+#define R_X86_64_GOT32 3 /* 32 bit GOT entry */
+#define R_X86_64_PLT32 4 /* 32 bit PLT address */
+#define R_X86_64_COPY 5 /* Copy symbol at runtime */
+#define R_X86_64_GLOB_DAT 6 /* Create GOT entry */
+#define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */
+#define R_X86_64_RELATIVE 8 /* Adjust by program base */
+/* 32 bit signed pc relative offset to GOT */
+#define R_X86_64_GOTPCREL 9
+#define R_X86_64_32 10 /* Direct 32 bit zero extended */
+#define R_X86_64_32S 11 /* Direct 32 bit sign extended */
+#define R_X86_64_16 12 /* Direct 16 bit zero extended */
+#define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */
+#define R_X86_64_8 14 /* Direct 8 bit sign extended */
+#define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */
+
+#define R_X86_64_NUM 16
+
/*
* XXX - PowerPC defines really don't belong in here,
* but we'll put them in for simplicity.
/* Values for Elf32/64_Ehdr.e_flags */
#define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag */
+#define EF_PPC64_ELFV1_ABI 0x00000001
+#define EF_PPC64_ELFV2_ABI 0x00000002
+
/* Cygnus local bits below */
#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag*/
#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib
#define R_RISCV_64 2
#define R_RISCV_RELATIVE 3
-#ifndef __ASSEMBLER__
+#ifndef __ASSEMBLY__
int valid_elf_image(unsigned long addr);
+unsigned long load_elf64_image_phdr(unsigned long addr);
+unsigned long load_elf64_image_shdr(unsigned long addr);
+unsigned long load_elf_image_phdr(unsigned long addr);
+unsigned long load_elf_image_shdr(unsigned long addr);
#endif
#endif /* _ELF_H */