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-- ELF32 definitions.
-- Copyright (C) 2006 Tristan Gingold
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 2 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <gnu.org/licenses>.
with Interfaces; use Interfaces;
with System;
with Elf_Common; use Elf_Common;
package Elf32 is
subtype Elf32_Addr is Unsigned_32;
subtype Elf32_Half is Unsigned_16;
subtype Elf32_Off is Unsigned_32;
subtype Elf32_Sword is Integer_32;
subtype Elf32_Word is Unsigned_32;
subtype Elf32_Uchar is Unsigned_8;
type Elf32_Ehdr is record
E_Ident : E_Ident_Type;
E_Type : Elf32_Half;
E_Machine : Elf32_Half;
E_Version : Elf32_Word;
E_Entry : Elf32_Addr;
E_Phoff : Elf32_Off;
E_Shoff : Elf32_Off;
E_Flags : Elf32_Word;
E_Ehsize : Elf32_Half;
E_Phentsize : Elf32_Half;
E_Phnum : Elf32_Half;
E_Shentsize : Elf32_Half;
E_Shnum : Elf32_Half;
E_Shstrndx : Elf32_Half;
end record;
Elf32_Ehdr_Size : constant Natural := Elf32_Ehdr'Size / System.Storage_Unit;
type Elf32_Shdr is record
Sh_Name : Elf32_Word;
Sh_Type : Elf32_Word;
Sh_Flags : Elf32_Word;
Sh_Addr : Elf32_Addr;
Sh_Offset : Elf32_Off;
Sh_Size : Elf32_Word;
Sh_Link : Elf32_Word;
Sh_Info : Elf32_Word;
Sh_Addralign : Elf32_Word;
Sh_Entsize : Elf32_Word;
end record;
Elf32_Shdr_Size : constant Natural := Elf32_Shdr'Size / System.Storage_Unit;
-- Symbol table.
type Elf32_Sym is record
St_Name : Elf32_Word;
St_Value : Elf32_Addr;
St_Size : Elf32_Word;
St_Info : Elf32_Uchar;
St_Other : Elf32_Uchar;
St_Shndx : Elf32_Half;
end record;
Elf32_Sym_Size : constant Natural := Elf32_Sym'Size / System.Storage_Unit;
-- Relocation.
type Elf32_Rel is record
R_Offset : Elf32_Addr;
R_Info : Elf32_Word;
end record;
Elf32_Rel_Size : constant Natural := Elf32_Rel'Size / System.Storage_Unit;
type Elf32_Rela is record
R_Offset : Elf32_Addr;
R_Info : Elf32_Word;
R_Addend : Elf32_Sword;
end record;
Elf32_Rela_Size : constant Natural := Elf32_Rela'Size / System.Storage_Unit;
function Elf32_R_Sym (I : Elf32_Word) return Elf32_Word;
function Elf32_R_Type (I : Elf32_Word) return Elf32_Word;
function Elf32_R_Info (S, T : Elf32_Word) return Elf32_Word;
-- For i386
R_386_NONE : constant Elf32_Word := 0; -- none none
R_386_32 : constant Elf32_Word := 1; -- word32 S+A
R_386_PC32 : constant Elf32_Word := 2; -- word32 S+A-P
-- For sparc
R_SPARC_NONE : constant Elf32_Word := 0; -- none
R_SPARC_32 : constant Elf32_Word := 3; -- (S + A)
R_SPARC_WDISP30 : constant Elf32_Word := 7; -- (S + A - P) >> 2
R_SPARC_WDISP22 : constant Elf32_Word := 8; -- (S + A - P) >> 2
R_SPARC_HI22 : constant Elf32_Word := 9; -- (S + A) >> 10
R_SPARC_LO10 : constant Elf32_Word := 12; -- (S + A) & 0x3ff
R_SPARC_UA32 : constant Elf32_Word := 23; -- (S + A)
type Elf32_Phdr is record
P_Type : Elf32_Word;
P_Offset : Elf32_Off;
P_Vaddr : Elf32_Addr;
P_Paddr : Elf32_Addr;
P_Filesz : Elf32_Word;
P_Memsz : Elf32_Word;
P_Flags : Elf32_Word;
P_Align : Elf32_Word;
end record;
Elf32_Phdr_Size : constant Natural := Elf32_Phdr'Size / System.Storage_Unit;
end Elf32;
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