67 lines
2.5 KiB
C
67 lines
2.5 KiB
C
#include "assembler.h"
|
|
#include "unix.h"
|
|
|
|
#include <string.h>
|
|
|
|
unsigned char elf_main_header_byte[ELF_MAIN_HEADER_SIZE] = {
|
|
0X7F, 0X45, 0X4C, 0X46, 0X02, 0X01, 0X01, 0X03,
|
|
0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00,
|
|
0X02, 0X00, 0X3E, 0X00, 0X01, 0X00, 0X00, 0X00,
|
|
0XB0, 0X00, 0X40, 0X00, 0X00, 0X00, 0X00, 0X00,
|
|
0X40, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00,
|
|
0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00,
|
|
0X00, 0X00, 0X00, 0X00, 0X40, 0X00, 0X38, 0X00,
|
|
0X02, 0X00, 0X40, 0X00, 0X00, 0X00, 0X00, 0X00
|
|
};
|
|
|
|
unsigned char elf_text_sector_byte[ELF_TEXT_SECTOR_SIZE] = {
|
|
0X01, 0X00, 0X00, 0X00, 0X05, 0X00, 0X00, 0X00,
|
|
0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00,
|
|
0X00, 0X00, 0X40, 0X00, 0X00, 0X00, 0X00, 0X00,
|
|
0X00, 0X00, 0X40, 0X00, 0X00, 0X00, 0X00, 0X00,
|
|
0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00,
|
|
0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00,
|
|
0X00, 0X10, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00
|
|
};
|
|
|
|
unsigned char elf_data_sector_byte[ELF_DATA_SECTOR_SIZE] = {
|
|
0X01, 0X00, 0X00, 0X00, 0X06, 0X00, 0X00, 0X00,
|
|
0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00,
|
|
0X00, 0X10, 0X40, 0X00, 0X00, 0X00, 0X00, 0X00,
|
|
0X00, 0X10, 0X40, 0X00, 0X00, 0X00, 0X00, 0X00,
|
|
0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00,
|
|
0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00,
|
|
0X00, 0X10, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00
|
|
};
|
|
|
|
void elf_main_header(unsigned char has_program,
|
|
unsigned char for_linux,
|
|
unsigned char for_x86_64) {
|
|
unsigned int enter = text_entry_point + 0x4000b0u;
|
|
|
|
elf_main_header_byte[16] = (has_program) ? 0x02 : 0x03;
|
|
elf_main_header_byte[ 7] = (for_linux) ? 0x03 : 0x00;
|
|
elf_main_header_byte[18] = (for_x86_64) ? 0x3e : 0x00;
|
|
|
|
memcpy (& elf_main_header_byte[24], & enter, sizeof(enter));
|
|
}
|
|
|
|
void elf_text_sector(unsigned long text_size, unsigned long data_size) {
|
|
unsigned long text = ELF_HEADER_SIZE + text_size - data_size;
|
|
|
|
memcpy (& elf_text_sector_byte[32], & text, sizeof(text));
|
|
memcpy (& elf_text_sector_byte[40], & text, sizeof(text));
|
|
}
|
|
|
|
void elf_data_sector(unsigned long text_size, unsigned long data_size) {
|
|
unsigned long data = data_size;
|
|
unsigned long core = ELF_HEADER_SIZE + text_size - data_size;
|
|
unsigned long move = 0x401000 + core;
|
|
|
|
memcpy (& elf_data_sector_byte[ 8], & core, sizeof(core));
|
|
memcpy (& elf_data_sector_byte[16], & move, sizeof(move));
|
|
memcpy (& elf_data_sector_byte[24], & move, sizeof(move));
|
|
memcpy (& elf_data_sector_byte[32], & data, sizeof(data));
|
|
memcpy (& elf_data_sector_byte[40], & data, sizeof(data));
|
|
}
|