| 1,19 → 1,17 |
|---|
| format ELF |
| section '.text' executable |
| public start |
| extrn mf_init |
| public start as '_start' |
| ;extrn mf_init |
| extrn main |
| public argc as '__ARGS' |
| ;include 'debug2.inc' |
| __DEBUG__=0 |
| |
| __DEBUG__ equ 1 |
| __DEBUG_LEVEL__ equ 1 |
| |
| include 'DEBUG-FDO.INC' |
| |
| ;start_: |
| virtual at 0 |
| db 'MENUET01' ; 1. Magic number (8 bytes) |
| dd 0x01 ; 2. Version of executable file |
| dd 0x0 ; 3. Start address |
| dd start ; 3. Start address |
| dd 0x0 ; 4. Size of image |
| dd 0x100000 ; 5. Size of needed memory |
| dd 0x100000 ; 6. Pointer to stack |
| 20,11 → 18,15 |
|---|
| hparams dd 0x0 ; 7. Pointer to program arguments |
| hpath dd 0x0 ; 8. Pointer to program path |
| end virtual |
| |
| start: |
| DEBUGF 1,'Start programm\n' |
| xor eax,eax |
| call mf_init |
| DEBUGF 1,' path "%s"\n params "%s"\n', path, params |
| ;DEBUGF 'Start programm\n' |
| ;init heap of memory |
| mov eax,68 |
| mov ebx,11 |
| int 0x40 |
| |
| ;DEBUGF ' path "%s"\n params "%s"\n', .path, .params |
| ; check for overflow |
| mov al, [path+buf_len-1] |
| or al, [params+buf_len-1] |
| 83,12 → 85,12 |
|---|
| jmp .parse |
| |
| .run: |
| DEBUGF 1,'call main(%x, %x) with params:\n', [argc], argv |
| ;DEBUGF 'call main(%x, %x) with params:\n', [argc], argv |
| if __DEBUG__ = 1 |
| mov ecx, [argc] |
| @@: |
| lea esi, [ecx * 4 + argv-4] |
| DEBUGF 1,'%d) "%s"\n', cx, [esi] |
| DEBUGF '0x%x) "%s"\n', cx, [esi] |
| loop @b |
| end if |
| push argv |
| 95,13 → 97,13 |
|---|
| push [argc] |
| call main |
| .exit: |
| DEBUGF 1,'Exit from prog with code: %x\n', eax; |
| ;DEBUGF 'Exit from prog\n'; |
| xor eax,eax |
| dec eax |
| int 0x40 |
| dd -1 |
| .crash: |
| DEBUGF 1,'E:buffer overflowed\n' |
| ;DEBUGF 'E:buffer overflowed\n' |
| jmp .exit |
| ;============================ |
| push_param: |
| 120,6 → 122,7 |
|---|
| .dont_add: |
| ret |
| ;============================== |
| public argc as '__argc' |
| public params as '__argv' |
| public path as '__path' |
| |
| 131,5 → 134,5 |
|---|
| path rb buf_len |
| params rb buf_len |
| |
| section '.data' |
| include_debug_strings ; ALWAYS present in data section |
| ;section '.data' |
| ;include_debug_strings ; ALWAYS present in data section |