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@ -4,7 +4,7 @@
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#pragma once
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#include "common/common.h"
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#include "common/common_types.h"
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// ELF Header Constants
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@ -52,27 +52,8 @@ enum ElfMachine {
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#define ELFMAG2 'L'
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#define ELFMAG3 'F'
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// File class
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#define ELFCLASSNONE 0
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#define ELFCLASS32 1
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#define ELFCLASS64 2
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// Encoding
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#define ELFDATANONE 0
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#define ELFDATA2LSB 1
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#define ELFDATA2MSB 2
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// Sections constants
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// Section indexes
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#define SHN_UNDEF 0
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#define SHN_LORESERVE 0xFF00
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#define SHN_LOPROC 0xFF00
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#define SHN_HIPROC 0xFF1F
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#define SHN_ABS 0xFFF1
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#define SHN_COMMON 0xFFF2
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#define SHN_HIRESERVE 0xFFFF
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// Section types
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#define SHT_NULL 0
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#define SHT_PROGBITS 1
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@ -91,9 +72,6 @@ enum ElfMachine {
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#define SHT_LOUSER 0x80000000
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#define SHT_HIUSER 0xFFFFFFFF
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// Custom section types
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#define SHT_PSPREL 0x700000a0
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// Section flags
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enum ElfSectionFlags
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{
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@ -103,38 +81,6 @@ enum ElfSectionFlags
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SHF_MASKPROC = 0xF0000000,
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};
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// Symbol binding
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#define STB_LOCAL 0
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#define STB_GLOBAL 1
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#define STB_WEAK 2
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#define STB_LOPROC 13
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#define STB_HIPROC 15
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// Symbol types
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#define STT_NOTYPE 0
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#define STT_OBJECT 1
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#define STT_FUNC 2
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#define STT_SECTION 3
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#define STT_FILE 4
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#define STT_LOPROC 13
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#define STT_HIPROC 15
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// Undefined name
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#define STN_UNDEF 0
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// Relocation types
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#define R_386_NONE 0
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#define R_386_32 1
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#define R_386_PC32 2
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#define R_386_GOT32 3
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#define R_386_PLT32 4
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#define R_386_COPY 5
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#define R_386_GLOB_DAT 6
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#define R_386_JMP_SLOT 7
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#define R_386_RELATIVE 8
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#define R_386_GOTOFF 9
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#define R_386_GOTPC 10
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// Segment types
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#define PT_NULL 0
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#define PT_LOAD 1
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@ -146,39 +92,6 @@ enum ElfSectionFlags
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#define PT_LOPROC 0x70000000
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#define PT_HIPROC 0x7FFFFFFF
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// Segment flags
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#define PF_X 1
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#define PF_W 2
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#define PF_R 4
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// Dynamic Array Tags
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#define DT_NULL 0
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#define DT_NEEDED 1
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#define DT_PLTRELSZ 2
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#define DT_PLTGOT 3
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#define DT_HASH 4
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#define DT_STRTAB 5
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#define DT_SYMTAB 6
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#define DT_RELA 7
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#define DT_RELASZ 8
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#define DT_RELAENT 9
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#define DT_STRSZ 10
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#define DT_SYMENT 11
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#define DT_INIT 12
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#define DT_FINI 13
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#define DT_SONAME 14
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#define DT_RPATH 15
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#define DT_SYMBOLIC 16
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#define DT_REL 17
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#define DT_RELSZ 18
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#define DT_RELENT 19
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#define DT_PLTREL 20
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#define DT_DEBUG 21
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#define DT_TEXTREL 22
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#define DT_JMPREL 23
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#define DT_LOPROC 0x70000000
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#define DT_HIPROC 0x7FFFFFFF
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typedef unsigned int Elf32_Addr;
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typedef unsigned short Elf32_Half;
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typedef unsigned int Elf32_Off;
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@ -239,41 +152,12 @@ struct Elf32_Sym {
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Elf32_Half st_shndx;
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};
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#define ELF32_ST_BIND(i) ((i)>>4)
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#define ELF32_ST_TYPE(i) ((i)&0xf)
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#define ELF32_ST_INFO(b,t) (((b)<<4)+((t)&0xf))
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// Relocation entries
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struct Elf32_Rel {
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Elf32_Addr r_offset;
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Elf32_Word r_info;
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};
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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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};
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#define ELF32_R_SYM(i) ((i)>>8)
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#define ELF32_R_TYPE(i) ((unsigned char)(i))
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#define ELF32_R_INFO(s,t) (((s)<<8 )+(unsigned char)(t))
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struct Elf32_Dyn {
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Elf32_Sword d_tag;
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union {
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Elf32_Word d_val;
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Elf32_Addr d_ptr;
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} d_un;
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};
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enum KnownElfTypes {
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KNOWNELF_PSP = 0,
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KNOWNELF_DS = 1,
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KNOWNELF_GBA = 2,
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KNOWNELF_GC = 3,
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};
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typedef int SectionID;
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class ElfReader {
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