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kolibrios/contrib/media/updf/stub/crt0_elf.asm
right-hearted a116ccf850 Building updf using ready menuetlibc
git-svn-id: svn://kolibrios.org@4767 a494cfbc-eb01-0410-851d-a64ba20cac60
2014-04-04 21:40:57 +00:00

57 lines
973 B
NASM

CATCH_NULL_CALL = 0
format ELF
section '.text' executable
public start
EXTRN _edata
EXTRN ___menuet__app_param_area
EXTRN ___menuet__app_path_area
EXTRN ___crt1_startup
start:
public ___menuet__app_header
public ___menuet__memsize
___menuet__app_header:
db 'MENUET01'
dd 0x01
if CATCH_NULL_CALL
dd do_start
else
dd ___crt1_startup
end if
dd _edata
___menuet__memsize:
dd 0x800000
dd app_stack
dd ___menuet__app_param_area
dd ___menuet__app_path_area
if CATCH_NULL_CALL
do_start:
mov byte [0], 0xE9
mov dword [1], _libc_null_call-5
call ___crt1_startup
; Handle exit if __crt1_startup returns (shouldn't happen)
mov eax,-1
int 0x40
end if
if CATCH_NULL_CALL
EXTRN ___libc_null_call
_libc_null_call:
push eax
push ebx
push ecx
push edx
push esi
push edi
push ebp
call ___libc_null_call
mov eax,-1
int 0x40
end if
section '.bss' writeable
rd 0x20000
app_stack: