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https://github.com/jart/cosmopolitan.git
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1422e96b4e
There's a new program named ape/ape-m1.c which will be used to build an embeddable binary that can load ape and elf executables. The support is mostly working so far, but still chasing down ABI issues.
70 lines
2.8 KiB
ArmAsm
70 lines
2.8 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 2020 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/nt/enum/status.h"
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#include "libc/macros.internal.h"
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#ifdef __x86_64__
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// @fileoverview NTDLL.DLL Non-Mandatory Importer
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//
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// This module lets us import Microsoft's private APIs in a way
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// that ensures executables won't fail to load in the future,
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// should Microsoft ever choose to delete these APIs.
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.initro 202,_init_ntdll.1
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.type kNtdllProcRvas,@object
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kNtdllProcRvas:
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.previous/*
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...
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decentralized content
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...
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*/.initro 202,_init_ntdll.3
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.quad 0
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.previous
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.init.start 202,_init_ntdll
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push %r12
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push %r13
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lea _ntdllmissingno(%rip),%r13
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sub $32,%rsp
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loadstr "ntdll.dll",cx
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call *__imp_GetModuleHandleA(%rip)
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mov %rax,%r12
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0: lodsq
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test %rax,%rax
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jz 1f
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.weak __executable_start
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lea __executable_start(%rax),%rdx
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mov %r12,%rcx
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call *__imp_GetProcAddress(%rip)
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test %rax,%rax
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cmovz %r13,%rax
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stosq
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jmp 0b
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1: add $32,%rsp
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pop %r13
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pop %r12
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.init.end 202,_init_ntdll,globl,hidden
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.text.windows
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_ntdllmissingno:
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mov $kNtStatusDllNotFound,%eax
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ret
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.previous
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#endif /* __x86_64__ */
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