mirror of
https://github.com/joel16/VitaShell.git
synced 2024-12-02 16:56:16 +00:00
161 lines
3.6 KiB
C
161 lines
3.6 KiB
C
/*
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VitaShell
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Copyright (C) 2015-2016, TheFloW
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ELFTYPES_H__
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#define __ELFTYPES_H__
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#define ELF_MACHINE_MIPS 0x0008
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#define ELF_SH_STRTAB ".shstrtab"
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#define ELF_SECT_MAX_NAME 128
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/* Define ELF types */
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typedef uint32_t Elf32_Addr;
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typedef uint32_t Elf32_Off;
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typedef uint32_t Elf32_Sword;
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typedef uint32_t Elf32_Word;
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typedef uint16_t Elf32_Half;
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#define ELF_MAGIC 0x464C457F
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#define ELF_EXEC_TYPE 0x0002
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#define ELF_PRX_TYPE 0xFFA0
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#define SHT_NULL 0
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#define SHT_PROGBITS 1
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#define SHT_SYMTAB 2
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#define SHT_STRTAB 3
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#define SHT_RELA 4
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#define SHT_HASH 5
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#define SHT_DYNAMIC 6
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#define SHT_NOTE 7
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#define SHT_NOBITS 8
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#define SHT_REL 9
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#define SHT_SHLIB 10
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#define SHT_DYNSYM 11
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#define SHT_LOPROC 0x70000000
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#define SHT_HIPROC 0x7fffffff
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#define SHT_LOUSER 0x80000000
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#define SHT_HIUSER 0xffffffff
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#define SHT_PRXRELOC (SHT_LOPROC | 0xA0)
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// MIPS Reloc Entry Types
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#define R_MIPS_NONE 0
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#define R_MIPS_16 1
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#define R_MIPS_32 2
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#define R_MIPS_REL32 3
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#define R_MIPS_26 4
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#define R_MIPS_HI16 5
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#define R_MIPS_LO16 6
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#define R_MIPS_GPREL16 7
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#define R_MIPS_LITERAL 8
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#define R_MIPS_GOT16 9
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#define R_MIPS_PC16 10
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#define R_MIPS_CALL16 11
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#define R_MIPS_GPREL32 12
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#define SHF_WRITE 1
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#define SHF_ALLOC 2
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#define SHF_EXECINSTR 4
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#define PT_NULL 0
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#define PT_LOAD 1
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#define PT_DYNAMIC 2
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#define PT_INTERP 3
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#define PT_NOTE 4
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#define PT_SHLIB 5
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#define PT_PHDR 6
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#define PT_LOPROC 0x70000000
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#define PT_HIPROC 0x7fffffff
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/* ELF file header */
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typedef struct {
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Elf32_Word e_magic;
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uint8_t e_class;
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uint8_t e_data;
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uint8_t e_idver;
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uint8_t e_pad[9];
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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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} __attribute__((packed)) Elf32_Ehdr;
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/* ELF section header */
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typedef struct {
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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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} __attribute__((packed)) Elf32_Shdr;
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typedef struct {
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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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#define ELF32_R_SYM(i) ((i)>>8)
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#define ELF32_R_TYPE(i) ((uint8_t)(i&0xFF))
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typedef struct {
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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 {
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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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} __attribute__((packed)) Elf32_Sym;
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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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#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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#endif |