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d7392ad814
Add new copyright headers to the new output modules. As far as I know, the only module which we still don't have a green light to release under 2-BSD is outmacho. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
168 lines
5.1 KiB
C
168 lines
5.1 KiB
C
/* ----------------------------------------------------------------------- *
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*
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* Copyright 1996-2009 The NASM Authors - All Rights Reserved
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* See the file AUTHORS included with the NASM distribution for
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* the specific copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following
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* conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ----------------------------------------------------------------------- */
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#ifndef OUTPUT_ELF32_H
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#define OUTPUT_ELF32_H
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#include "output/elfcommon.h"
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/* ELF standard typedefs (yet more proof that <stdint.h> was way overdue) */
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typedef uint16_t Elf32_Half;
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typedef int16_t Elf32_SHalf;
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typedef uint32_t Elf32_Word;
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typedef int32_t Elf32_Sword;
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typedef uint64_t Elf32_Xword;
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typedef int64_t Elf32_Sxword;
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typedef uint32_t Elf32_Off;
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typedef uint32_t Elf32_Addr;
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typedef uint16_t Elf32_Section;
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/* Dynamic header */
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typedef struct elf32_dyn {
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Elf32_Sword d_tag;
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union {
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Elf32_Sword d_val;
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Elf32_Addr d_ptr;
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} d_un;
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} Elf32_Dyn;
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/* Relocations */
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#define ELF32_R_SYM(x) ((x) >> 8)
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#define ELF32_R_TYPE(x) ((x) & 0xff)
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typedef struct elf32_rel {
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Elf32_Addr r_offset;
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Elf32_Word r_info;
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} Elf32_Rel;
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typedef struct elf32_rela {
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Elf32_Addr r_offset;
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Elf32_Word r_info;
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Elf32_Sword r_addend;
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} Elf32_Rela;
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enum reloc32_type {
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R_386_32 = 1, /* ordinary absolute relocation */
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R_386_PC32 = 2, /* PC-relative relocation */
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R_386_GOT32 = 3, /* an offset into GOT */
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R_386_PLT32 = 4, /* a PC-relative offset into PLT */
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R_386_COPY = 5, /* ??? */
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R_386_GLOB_DAT = 6, /* ??? */
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R_386_JUMP_SLOT = 7, /* ??? */
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R_386_RELATIVE = 8, /* ??? */
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R_386_GOTOFF = 9, /* an offset from GOT base */
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R_386_GOTPC = 10, /* a PC-relative offset _to_ GOT */
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R_386_TLS_TPOFF = 14, /* Offset in static TLS block */
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R_386_TLS_IE = 15, /* Address of GOT entry for static TLS
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block offset */
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/* These are GNU extensions, but useful */
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R_386_16 = 20, /* A 16-bit absolute relocation */
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R_386_PC16 = 21, /* A 16-bit PC-relative relocation */
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R_386_8 = 22, /* An 8-bit absolute relocation */
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R_386_PC8 = 23 /* An 8-bit PC-relative relocation */
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};
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/* Symbol */
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typedef struct elf32_sym {
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Elf32_Word st_name;
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Elf32_Addr st_value;
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Elf32_Word st_size;
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unsigned char st_info;
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unsigned char st_other;
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Elf32_Half st_shndx;
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} Elf32_Sym;
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/* Main file header */
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typedef struct elf32_hdr {
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unsigned char e_ident[EI_NIDENT];
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Elf32_Half e_type;
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Elf32_Half e_machine;
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Elf32_Word e_version;
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Elf32_Addr e_entry;
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Elf32_Off e_phoff;
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Elf32_Off e_shoff;
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Elf32_Word e_flags;
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Elf32_Half e_ehsize;
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Elf32_Half e_phentsize;
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Elf32_Half e_phnum;
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Elf32_Half e_shentsize;
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Elf32_Half e_shnum;
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Elf32_Half e_shstrndx;
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} Elf32_Ehdr;
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/* Program header */
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typedef struct elf32_phdr {
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Elf32_Word p_type;
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Elf32_Off p_offset;
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Elf32_Addr p_vaddr;
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Elf32_Addr p_paddr;
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Elf32_Word p_filesz;
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Elf32_Word p_memsz;
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Elf32_Word p_flags;
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Elf32_Word p_align;
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} Elf32_Phdr;
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/* Section header */
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typedef struct elf32_shdr {
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Elf32_Word sh_name;
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Elf32_Word sh_type;
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Elf32_Word sh_flags;
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Elf32_Addr sh_addr;
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Elf32_Off sh_offset;
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Elf32_Word sh_size;
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Elf32_Word sh_link;
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Elf32_Word sh_info;
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Elf32_Word sh_addralign;
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Elf32_Word sh_entsize;
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} Elf32_Shdr;
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/* Note header */
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typedef struct elf32_note {
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Elf32_Word n_namesz; /* Name size */
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Elf32_Word n_descsz; /* Content size */
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Elf32_Word n_type; /* Content type */
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} Elf32_Nhdr;
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/* How to extract and insert information held in the st_info field. */
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#define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4)
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#define ELF32_ST_TYPE(val) ((val) & 0xf)
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#endif /* OUTPUT_ELF32_H */
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