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LibELF: Remove leftover i386 entry files

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Tim Schumacher 2023-04-10 20:01:27 +02:00 committed by Andreas Kling
parent e931b2ecd9
commit dea65e33b4
Notes: sideshowbarker 2024-07-16 23:34:44 +09:00 
Author: https://github.com/timschumi
Commit: https://github.com/SerenityOS/serenity/commit/dea65e33b4
Pull-request: https://github.com/SerenityOS/serenity/pull/18280
2 changed files with 0 additions and 86 deletions
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28
Userland/Libraries/LibELF/Arch/i386/entry.S
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@ -1,28 +0,0 @@
/*
* Copyright (c) 2021, Gunnar Beutner <gbeutner@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
.align 4
.globl _invoke_entry
.hidden _invoke_entry
.type _invoke_entry,@function
_invoke_entry: # (argc, argv, envp, entry)
addl $4, %esp # return address
popl %edi # argc
popl %esi # argv
popl %edx # envp
popl %ecx # entry
// The System V ABI for x86 and x86_64 prescribes that the stack pointer is 16-byte aligned
andl $~15, %esp
// We're going to push three arguments so we need to align the stack for that
subl $4, %esp
// FIXME: The way we're setting up the stack and passing arguments to the entry point isn't ABI-compliant
pushl %edx
pushl %esi
pushl %edi
jmp *%ecx

58
Userland/Libraries/LibELF/Arch/i386/plt_trampoline.S
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@ -1,58 +0,0 @@
/*-
* Copyright (c) 1998, 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas and by Charles M. Hannum.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/**
* This asm method is copied from NetBSD. We changed the internal method that
* gets called and the name, but it's still essentially the same as
* _rtld_bind_start from libexec/ld.elf_so/arch/i386/rtld_start.S
*/
.align 4
.globl _plt_trampoline
.hidden _plt_trampoline
.type _plt_trampoline,@function
_plt_trampoline: # (obj, reloff)
pushf # save registers
pushl %eax
pushl %ecx
pushl %edx
pushl 20(%esp) # Copy of reloff
pushl 20(%esp) # Copy of obj
call _fixup_plt_entry@PLT # Call the binder
addl $8,%esp # pop binder args
movl %eax,20(%esp) # Store function to be called in obj
popl %edx
popl %ecx
popl %eax
popf
leal 4(%esp),%esp # Discard reloff, do not change eflags
ret