2020-06-16 13:38:43 +00:00
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/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
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2020-06-15 14:18:57 +00:00
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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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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/nt/enum/status.h"
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#include "libc/macros.h"
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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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lea (%rbx,%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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