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https://github.com/jart/cosmopolitan.git
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7e0a09feec
This change ports APE Loader to Linux AARCH64, so that Raspberry Pi users can run programs like redbean, without the executable needing to modify itself. Progress has also slipped into this change on the issue of making progress better conforming to user expectations and industry standards regarding which symbols we're allowed to declare
72 lines
2.7 KiB
ArmAsm
72 lines
2.7 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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sub $1024*1024,%rsp // room for allocs
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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 105000000
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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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