# ! $Source$ ! $State$ ! $Revision$ ! Declare segments (the order is important). .sect .text .sect .rom .sect .data .sect .bss .sect .text begtext: ! This code is placed at the beginning of the ELF executable and is the ! first thing that runs. ! ! On entry, the stack looks like this: ! ! sp+.. NULL ! sp+8+(4*argc) env (X quads) ! sp+4+(4*argc) NULL ! sp+4 argv (argc quads) ! sp argc ! ! The ACK actually expects: ! ! sp+8 argc ! sp+4 argv ! sp env mov eax, (esp) ! eax = argc lea ebx, 4(esp) ! ebx = argv lea ecx, (esp)(eax*4) add ecx, 12 ! environ push ecx ! environ push ebx ! argc push eax ! argv push eax ! dummy, representing the return argument xor ebp, ebp jmp __m_a_i_n ! This provides an emergency exit routine used by EM. .define EXIT .extern EXIT EXIT: push 1 jmp __exit ! Define symbols at the beginning of our various segments, so that we can find ! them. (Except .text, which has already been done.) .sect .data; begdata: .sect .rom; begrom: .sect .bss; begbss: ! Some magic data. All EM systems need these. .define .trppc, .ignmask, _errno .comm .trppc, 4 .comm .ignmask, 4 .comm _errno, 4