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https://github.com/jart/cosmopolitan.git
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a6baba1b07
The WIN32 CreateProcess() function does not require an .exe or .com suffix in order to spawn an executable. Now that we have Cosmo bash we're no longer so dependent on the cmd.exe prompt.
95 lines
3.7 KiB
ArmAsm
95 lines
3.7 KiB
ArmAsm
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
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│ vi: set noet ft=asm ts=8 sw=8 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/macho.internal.h"
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#include "libc/sysv/consts/prot.h"
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#include "libc/dce.h"
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#include "libc/macros.internal.h"
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// Apple Mach-O Executable Headers
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// Fixups are applied by objbincopy
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// There must exist a MAC_LC_SEGMENT_64 for every PT_LOAD
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.section .macho,"a",@progbits
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.balign 64
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.long 0xFEEDFACE+1
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.long MAC_CPU_NEXGEN32E
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.long MAC_CPU_NEXGEN32E_ALL
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.long MAC_EXECUTE
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.long 5 // number of load commands
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.long 60f-10f // size of all load commands
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.long MAC_NOUNDEFS|MAC_SPLIT_SEGS // flags
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.long 0 // reserved
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10: .long MAC_LC_SEGMENT_64
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.long 20f-10b // unmaps first page dir
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.ascin "__PAGEZERO",16 // consistent with linux
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.quad 0,0x200000,0,0 // which forbids mem <2m
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.long 0,0,0,0
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20: .long MAC_LC_SEGMENT_64
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.long 30f-20b
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.ascin "__TEXT",16
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.quad 0 // vaddr
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.quad 0 // memsz
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.quad 0 // file offset
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.quad 0 // file size
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.long 0 // maxprot
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.long 0 // initprot
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.long 0 // segment section count
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.long 0 // flags
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30: .long MAC_LC_SEGMENT_64
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.long 40f-30b
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.ascin "__RODATA",16
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.quad 0 // vaddr
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.quad 0 // memsz
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.quad 0 // file offset
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.quad 0 // file size
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.long 0 // maxprot
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.long 0 // initprot
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.long 0 // segment section count
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.long 0 // flags
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40: .long MAC_LC_UUID
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.long 50f-40b
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.quad 0x4527148ba7a513ef // uuid1
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.quad 0x56fa865940665e8f // uuid2
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50: .long MAC_LC_UNIXTHREAD
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.long 60f-50b // cmdsize
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.long MAC_THREAD_NEXGEN32E // flavaflav
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.long (520f-510f)/4 // count
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510: .quad 0 // rax
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.quad 0 // rbx
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.quad 0 // rcx
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.quad 0 // rdx
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.quad 0 // rdi
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.quad 0 // rsi
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.quad 0 // rbp
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.quad 0 // rsp
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.quad 0 // r8
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.quad 0 // r9
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.quad 0 // r10
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.quad 0 // r11
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.quad 0 // r12
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.quad 0 // r13
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.quad 0 // r14
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.quad 0 // r15
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.quad XnuEntrypoint // rip
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.quad 0 // rflags
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.quad 0 // cs
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.quad 0 // fs
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.quad 0 // gs
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520:
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60:
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