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author | Tony Puccinelli | 2010-06-22 00:19:26 +0000 |
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committer | Tony Puccinelli | 2010-06-22 00:19:26 +0000 |
commit | 38b495aea2c393128ea5263b400b819efec0690e (patch) | |
tree | d69bf27b2c30411eb060501b6ae98ab7133d3baa /backends/platform/gp2xwiz/elf32.h | |
parent | b515cb1ed6411f9d71c3b3c138bb55ae60c3b1f5 (diff) | |
download | scummvm-rg350-38b495aea2c393128ea5263b400b819efec0690e.tar.gz scummvm-rg350-38b495aea2c393128ea5263b400b819efec0690e.tar.bz2 scummvm-rg350-38b495aea2c393128ea5263b400b819efec0690e.zip |
added elf32.h for gp2xwiz
svn-id: r50135
Diffstat (limited to 'backends/platform/gp2xwiz/elf32.h')
-rw-r--r-- | backends/platform/gp2xwiz/elf32.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/backends/platform/gp2xwiz/elf32.h b/backends/platform/gp2xwiz/elf32.h new file mode 100644 index 0000000000..842146e567 --- /dev/null +++ b/backends/platform/gp2xwiz/elf32.h @@ -0,0 +1,105 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + * + */ + +#ifndef BACKENDS_ELF_H +#define BACKENDS_ELF_H + +/* ELF stuff */ + +typedef unsigned short Elf32_Half, Elf32_Section; +typedef unsigned int Elf32_Word, Elf32_Addr, Elf32_Off; +typedef signed int Elf32_Sword; +typedef Elf32_Half Elf32_Versym; + +#define EI_NIDENT (16) +#define SELFMAG 6 + +/* ELF File format structures. Look up ELF structure for more details */ + +// ELF header (contains info about the file) +typedef struct { + unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ + Elf32_Half e_type; /* Object file type */ + Elf32_Half e_machine; /* Architecture */ + Elf32_Word e_version; /* Object file version */ + Elf32_Addr e_entry; /* Entry point virtual address */ + Elf32_Off e_phoff; /* Program header table file offset */ + Elf32_Off e_shoff; /* Section header table file offset */ + Elf32_Word e_flags; /* Processor-specific flags */ + Elf32_Half e_ehsize; /* ELF header size in bytes */ + Elf32_Half e_phentsize; /* Program header table entry size */ + Elf32_Half e_phnum; /* Program header table entry count */ + Elf32_Half e_shentsize; /* Section header table entry size */ + Elf32_Half e_shnum; /* Section header table entry count */ + Elf32_Half e_shstrndx; /* Section header string table index */ +} Elf32_Ehdr; + +// Should be in e_ident +#define ELFMAG "\177ELF\1\1" /* ELF Magic number */ + +// Program header (contains info about segment) +typedef struct { + Elf32_Word p_type; /* Segment type */ + Elf32_Off p_offset; /* Segment file offset */ + Elf32_Addr p_vaddr; /* Segment virtual address */ + Elf32_Addr p_paddr; /* Segment physical address */ + Elf32_Word p_filesz; /* Segment size in file */ + Elf32_Word p_memsz; /* Segment size in memory */ + Elf32_Word p_flags; /* Segment flags */ + Elf32_Word p_align; /* Segment alignment */ +} Elf32_Phdr; + +// Section header (contains info about section) +typedef struct { + Elf32_Word sh_name; /* Section name (string tbl index) */ + Elf32_Word sh_type; /* Section type */ + Elf32_Word sh_flags; /* Section flags */ + Elf32_Addr sh_addr; /* Section virtual addr at execution */ + Elf32_Off sh_offset; /* Section file offset */ + Elf32_Word sh_size; /* Section size in bytes */ + Elf32_Word sh_link; /* Link to another section */ + Elf32_Word sh_info; /* Additional section information */ + Elf32_Word sh_addralign; /* Section alignment */ + Elf32_Word sh_entsize; /* Entry size if section holds table */ +} Elf32_Shdr; + +// Symbol entry (contain info about a symbol) +typedef struct { + Elf32_Word st_name; /* Symbol name (string tbl index) */ + Elf32_Addr st_value; /* Symbol value */ + Elf32_Word st_size; /* Symbol size */ + unsigned char st_info; /* Symbol type and binding */ + unsigned char st_other; /* Symbol visibility */ + Elf32_Section st_shndx; /* Section index */ +} Elf32_Sym; + +// Relocation entry (info about how to relocate) +typedef struct { + Elf32_Addr r_offset; /* Address */ + Elf32_Word r_info; /* Relocation type and symbol index */ + Elf32_Sword r_addend; /* Addend */ +} Elf32_Rela; + +#endif /* BACKENDS_ELF_H */ |