Added initial UNIX stuff, unfinished...
This commit is contained in:
xolatile
@ -53,6 +53,7 @@ typedef enum {
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FNOP, FXAM, FABS, FSCALE,
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FNOP, FXAM, FABS, FSCALE,
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FSIN, FCOS, FSQRT, FCHS,
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FSIN, FCOS, FSQRT, FCHS,
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FXCH, FREM, FLDPI, FLDZ,
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FXCH, FREM, FLDPI, FLDZ,
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DECLARE,
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} operation_index;
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} operation_index;
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typedef enum {
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typedef enum {
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39
source/unix.c
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39
source/unix.c
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@ -0,0 +1,39 @@
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#include "unix.h"
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static const uint16_t main_header_size = 0x40;
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static const uint16_t text_sector_size = 0x38;
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static const uint16_t data_sector_size = 0x38;
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static const uint16_t full_header_size = main_header_size
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+ text_sector_size
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+ data_sector_size; // 0xb0
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static const uint32_t softcore = 0x1000; // I DON'T KNOW WHAT IS THIS...
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static const uint32_t hardcore = 0x400000; // I DON'T KNOW WHAT IS THIS...
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uint8_t header_bytes [64] = {
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0X7F, 0X45, 0X4C, 0X46, 0X02, 0X01, 0X01, 0X03,
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0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00,
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0X02, 0X00, 0X3E, 0X00, 0X01, 0X00, 0X00, 0X00,
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0XB0, 0X00, 0X40, 0X00, 0X00, 0X00, 0X00, 0X00, // entry_point
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0X40, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00,
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0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00,
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0X00, 0X00, 0X00, 0X00, 0X40, 0X00, 0X38, 0X00,
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0X02, 0X00, 0X40, 0X00, 0X00, 0X00, 0X00, 0X00,
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};
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void header (uint8_t has_program,
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uint8_t for_linux,
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uint8_t for_x86_64,
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uint64_t entry_point) {
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/* */
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uint64_t enter = entry_point; // TEST
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header_bytes [16] = (has_program) ? 0x02 : 0x03; // else linkable
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header_bytes [ 7] = (for_linux) ? 0x03 : 0x00; // else system v
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header_bytes [18] = (for_x86_64) ? 0x3e : 0x00; // else ?
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if (entry_point != 0) {
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memcpy (& header_bytes [24], & enter, 8);
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}
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}
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9
source/unix.h
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9
source/unix.h
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@ -0,0 +1,9 @@
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#include <stdint.h>
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#include <string.h>
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extern uint8_t elf_header_bytes [64];
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extern void header (uint8_t has_program,
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uint8_t for_linux,
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uint8_t for_x86_64,
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uint64_t entry_point);
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166
tool/heyo.asm
166
tool/heyo.asm
@ -4,16 +4,182 @@ segment readable executable
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entry $
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entry $
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fff:
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nop
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mov eax, 1
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mov eax, 1
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nop
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mov edi, 1
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mov edi, 1
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nop
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mov esi, heyo
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mov esi, heyo
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nop
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mov edx, 12
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mov edx, 12
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nop
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syscall
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syscall
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nop
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nop
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nop
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mov eax, 1
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nop
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mov edi, 1
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nop
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mov esi, cyaa
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nop
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mov edx, 12
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nop
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syscall
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nop
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nop
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nop
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mov eax, 1
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nop
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mov edi, 1
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nop
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mov esi, neko
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nop
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mov edx, 12
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nop
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syscall
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nop
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nop
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nop
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mov rax, 1122334455667788h
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nop
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mov rcx, 1122334455667788h
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nop
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mov rdx, 1122334455667788h
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nop
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mov rbx, 1122334455667788h
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nop
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mov rsp, 1122334455667788h
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nop
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mov rbp, 1122334455667788h
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nop
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mov rsi, 1122334455667788h
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nop
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mov rdi, 1122334455667788h
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nop
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mov r8, 1122334455667788h
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nop
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mov r9, 1122334455667788h
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nop
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mov r10, 1122334455667788h
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nop
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mov r11, 1122334455667788h
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nop
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mov r12, 1122334455667788h
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nop
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mov r13, 1122334455667788h
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nop
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mov r14, 1122334455667788h
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nop
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mov r15, 1122334455667788h
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nop
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nop
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nop
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mov eax, 60
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mov eax, 60
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nop
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mov edi, 0
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mov edi, 0
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nop
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syscall
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syscall
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nop
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jmp fff
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nop
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jmp nnn
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nop
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nop
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nop
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nnn:
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segment readable writable
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segment readable writable
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heyo: db "heyo world!", 10
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heyo: db "heyo world!", 10
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cyaa: db "cyaa world!", 10
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neko: db "neko world!", 10
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;~176 / 00B0 ; header
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;~504 / 01F8 ; executable
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;~292 / 0124 ; readable
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;~36 / 0024 ; writable
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;~328 / 0148 ; executable - header
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;~7F_45_4C_46_02_01_01_03_
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;~00_00_00_00_00_00_00_00_ ; 0
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;~02_00_3E_00_01_00_00_00_
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;~B0_00_40_00_00_00_00_00_ ; header + hardcore
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;~40_00_00_00_00_00_00_00_
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;~00_00_00_00_00_00_00_00_ ; 0
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;~00_00_00_00_40_00_38_00_
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;~02_00_40_00_00_00_00_00_
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;~01_00_00_00_05_00_00_00_ ; text
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;~00_00_00_00_00_00_00_00_ ; 0
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;~00_00_40_00_00_00_00_00_ ; hardcore
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;~00_00_40_00_00_00_00_00_ ; hardcore
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;~D4_01_00_00_00_00_00_00_ ; executable - writable
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;~D4_01_00_00_00_00_00_00_ ; executable - writable
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;~00_10_00_00_00_00_00_00_ ; softcore
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;~01_00_00_00_06_00_00_00_ ; data
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;~D4_01_00_00_00_00_00_00_ ; executable - writable
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;~D4_11_40_00_00_00_00_00_ ; hardcore + softcore + executable - writable
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;~D4_11_40_00_00_00_00_00_ ; hardcore + softcore + executable - writable
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;~24_00_00_00_00_00_00_00_ ; writable
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;~24_00_00_00_00_00_00_00_ ; writable
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;~00_10_00_00_00_00_00_00_ ; softcore
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;~90_B8_01_00_00_00_
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;~90_BF_01_00_00_00_
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;~90_BE_D4_11_40_00_
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;~90_BA_0C_00_00_00_
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;~90_0F_05_
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;~90_
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;~90_
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;~90_B8_01_00_00_00_
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;~90_BF_01_00_00_00_
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;~90_BE_E0_11_40_00_
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;~90_BA_0C_00_00_00_
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;~90_0F_05_
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;~90_
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;~90_
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;~90_B8_01_00_00_00_
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;~90_BF_01_00_00_00_
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;~90_BE_EC_11_40_00_
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;~90_BA_0C_00_00_00_
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;~90_0F_05_
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;~90_
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;~90_
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;~90_48_B8_88_77_66_55_44_33_22_11_
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;~90_48_B9_88_77_66_55_44_33_22_11_
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;~90_48_BA_88_77_66_55_44_33_22_11_
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;~90_48_BB_88_77_66_55_44_33_22_11_
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;~90_48_BC_88_77_66_55_44_33_22_11_
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;~90_48_BD_88_77_66_55_44_33_22_11_
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;~90_48_BE_88_77_66_55_44_33_22_11_
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;~90_48_BF_88_77_66_55_44_33_22_11_
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;~90_49_B8_88_77_66_55_44_33_22_11_
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;~90_49_B9_88_77_66_55_44_33_22_11_
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;~90_49_BA_88_77_66_55_44_33_22_11_
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;~90_49_BB_88_77_66_55_44_33_22_11_
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;~90_49_BC_88_77_66_55_44_33_22_11_
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;~90_49_BD_88_77_66_55_44_33_22_11_
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;~90_49_BE_88_77_66_55_44_33_22_11_
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;~90_49_BF_88_77_66_55_44_33_22_11_
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;~90_
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;~90_
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;~90_B8_3C_00_00_00_
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;~90_BF_00_00_00_00_
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;~90_0F_05_
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;~90_E9_E2_FE_FF_FF_
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;~90_EB_03_
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;~90_
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;~90_
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;~90_
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;~68_65_79_6F_20_77_6F_72_6C_64_21_0A_
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;~63_79_61_61_20_77_6F_72_6C_64_21_0A_
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;~6E_65_6B_6F_20_77_6F_72_6C_64_21_0A_
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