mirror of
https://github.com/jart/cosmopolitan.git
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1d8937d528
This change reduces the memory requirements of your APE Loader by 10x, in terms of virtual memory size, thanks to the help of alloca(). We're also now creating argument blocks with the same layout across systems.
72 lines
2.6 KiB
ArmAsm
72 lines
2.6 KiB
ArmAsm
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
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│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2023 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/dce.h"
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#include "libc/macros.internal.h"
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#ifdef __aarch64__
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_start: mov x1,sp
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mov x29,0
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bl ApeLoader
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.endfn _start,globl
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#else
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XnuEntrypoint:
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mov $_HOSTXNU,%dl // xnu's not unix!
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ElfEntrypoint:
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mov %rsp,%rsi // save real stack
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call ApeLoader
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.endfn ElfEntrypoint,globl
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.endfn XnuEntrypoint,globl
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.section .note,"a",@progbits
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.balign 4
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openbsd.ident:
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.long 2f-1f
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.long 4f-3f
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.long 1
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1: .asciz "OpenBSD"
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2: .balign 4
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3: .long 0
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4: .size openbsd.ident,.-openbsd.ident
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.type openbsd.ident,@object
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.balign 4
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netbsd.ident:
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.long 2f-1f
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.long 4f-3f
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.long 1
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1: .asciz "NetBSD"
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2: .balign 4
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3: .long 901000000
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4: .size netbsd.ident,.-netbsd.ident
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.type netbsd.ident,@object
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.balign 4
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ape.ident:
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.long 2f-1f
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.long 4f-3f
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.long 1
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1: .asciz "APE"
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2: .balign 4
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3: .long 107000000
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4: .size ape.ident,.-ape.ident
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.type ape.ident,@object
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#endif
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