ObjFW  Check-in [0b441e52d6]

Overview
Comment:Use <cet.h> and _CET_ENDBR macro

This only uses endbr32/endbr64 when actually needed and emits the
necessary .note.gnu.property.

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SHA3-256: 0b441e52d6269942e3fdefe78d75b7744907fb2216210aca0f57e6f077dfe41b
User & Date: js on 2024-02-26 20:32:38
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2024-02-26
21:46
OFLHAArchive: Add support for files > 4 GB check-in: 9d9fa168aa user: js tags: trunk
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Use <cet.h> and _CET_ENDBR macro check-in: de552578e7 user: js tags: 1.0
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Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified configure.ac from [040a8ef356] to [ff00996552].

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	], [
		AC_DEFINE(HAVE_BTI, 1, [Whether we have bti])
		AC_MSG_RESULT(yes)
	], [
		AC_MSG_RESULT(no)
	])
	;;
i?86)
	AC_MSG_CHECKING(for endbr32)
	AC_COMPILE_IFELSE([
		AC_LANG_PROGRAM([], [
			__asm__ __volatile__ ("endbr32");
		])
	], [
		AC_DEFINE(HAVE_ENDBR32, 1, [Whether we have endbr32])
		AC_MSG_RESULT(yes)
	], [
		AC_MSG_RESULT(no)
	])
	;;
x86_64)
	AC_MSG_CHECKING(for endbr64)
	AC_COMPILE_IFELSE([
		AC_LANG_PROGRAM([], [
			__asm__ __volatile__ ("endbr64");
		])
	], [
		AC_DEFINE(HAVE_ENDBR64, 1, [Whether we have endbr64])
		AC_MSG_RESULT(yes)
	], [
		AC_MSG_RESULT(no)
	])
	;;
esac

AC_CHECK_LIB(m, fmod, LIBS="$LIBS -lm")
AC_CHECK_LIB(complex, creal, TESTS_LIBS="$TESTS_LIBS -lcomplex")

AC_CHECK_FUNCS(strtof truncf)








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	], [
		AC_DEFINE(HAVE_BTI, 1, [Whether we have bti])
		AC_MSG_RESULT(yes)
	], [
		AC_MSG_RESULT(no)
	])
	;;













i?86 | x86_64)
	AC_CHECK_HEADERS(cet.h)










	;;
esac

AC_CHECK_LIB(m, fmod, LIBS="$LIBS -lm")
AC_CHECK_LIB(complex, creal, TESTS_LIBS="$TESTS_LIBS -lcomplex")

AC_CHECK_FUNCS(strtof truncf)
︙︙

Modified src/forwarding/apple-forwarding-amd64.S from [dda0d17f49] to [f921148919].

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 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"







.globl _OFForward
.globl _OFForward_stret

.section __TEXT, __objc_methname, cstring_literals
Lstr_forwardingTargetForSelector_:
	.asciz "forwardingTargetForSelector:"

.section __DATA, __objc_selrefs, literal_pointers, no_dead_strip
Lsel_forwardingTargetForSelector_:
	.quad Lstr_forwardingTargetForSelector_

.section __DATA, __objc_imageinfo, regular, no_dead_strip
	.long 0, 0

.section __TEXT, __text, regular, pure_instructions
_OFForward:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)








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 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#ifdef HAVE_CET_H
# include <cet.h>
#else
# define _CET_ENDBR
#endif

.globl _OFForward
.globl _OFForward_stret

.section __TEXT, __objc_methname, cstring_literals
Lstr_forwardingTargetForSelector_:
	.asciz "forwardingTargetForSelector:"

.section __DATA, __objc_selrefs, literal_pointers, no_dead_strip
Lsel_forwardingTargetForSelector_:
	.quad Lstr_forwardingTargetForSelector_

.section __DATA, __objc_imageinfo, regular, no_dead_strip
	.long 0, 0

.section __TEXT, __text, regular, pure_instructions
_OFForward:
	_CET_ENDBR



	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)
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	movq	%rbp, %rsp
	popq	%rbp

	jmp	_OFMethodNotFound

_OFForward_stret:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)








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	movq	%rbp, %rsp
	popq	%rbp

	jmp	_OFMethodNotFound

_OFForward_stret:
	_CET_ENDBR



	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)
︙︙

Modified src/forwarding/apple-forwarding-x86.S from [d769e50b08] to [1bcb94976a].

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 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"







.globl _OFForward
.globl _OFForward_stret

.section __TEXT, __cstring, cstring_literals
Lstr_forwardingTargetForSelector_:
	.asciz "forwardingTargetForSelector:"

.section __OBJC, __message_refs, literal_pointers, no_dead_strip
Lsel_forwardingTargetForSelector_:
	.long Lstr_forwardingTargetForSelector_

.section __OBJC, __image_info
	.long 0, 0

.section __TEXT, __text, regular, pure_instructions
_OFForward:
#ifdef HAVE_ENDBR32
	endbr32
#endif

	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp









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 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#ifdef HAVE_CET_H
# include <cet.h>
#else
# define _CET_ENDBR
#endif

.globl _OFForward
.globl _OFForward_stret

.section __TEXT, __cstring, cstring_literals
Lstr_forwardingTargetForSelector_:
	.asciz "forwardingTargetForSelector:"

.section __OBJC, __message_refs, literal_pointers, no_dead_strip
Lsel_forwardingTargetForSelector_:
	.long Lstr_forwardingTargetForSelector_

.section __OBJC, __image_info
	.long 0, 0

.section __TEXT, __text, regular, pure_instructions
_OFForward:
	_CET_ENDBR



	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp
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	addl	$20, %esp
	popl	%ebx
	popl	%ebp

	jmp	_OFMethodNotFound

_OFForward_stret:
#ifdef HAVE_ENDBR32
	endbr32
#endif

	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp









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	addl	$20, %esp
	popl	%ebx
	popl	%ebp

	jmp	_OFMethodNotFound

_OFForward_stret:
	_CET_ENDBR



	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp
︙︙

Modified src/forwarding/forwarding-amd64-elf.S from [23dfe640bd] to [0fbb5e1e98].

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 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include "platform.h"







.globl OFForward
.globl OFForward_stret

.section .text
OFForward:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)








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 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include "platform.h"

#ifdef HAVE_CET_H
# include <cet.h>
#else
# define _CET_ENDBR
#endif

.globl OFForward
.globl OFForward_stret

.section .text
OFForward:
	_CET_ENDBR



	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)
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	popq	%rbp

	jmp	OFMethodNotFound@PLT
.type OFForward, %function
.size OFForward, .-OFForward

OFForward_stret:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)








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	popq	%rbp

	jmp	OFMethodNotFound@PLT
.type OFForward, %function
.size OFForward, .-OFForward

OFForward_stret:
	_CET_ENDBR



	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)
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	popq	%rbp

	jmp	OFMethodNotFound_stret@PLT
.type OFForward_stret, %function
.size OFForward_stret, .-OFForward_stret

.Linit:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	leaq	.Lmodule(%rip), %rdi
	jmp	__objc_exec_class@PLT

#ifdef OF_SOLARIS
.section .init_array, "aw"
#else








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	popq	%rbp

	jmp	OFMethodNotFound_stret@PLT
.type OFForward_stret, %function
.size OFForward_stret, .-OFForward_stret

.Linit:
	_CET_ENDBR



	leaq	.Lmodule(%rip), %rdi
	jmp	__objc_exec_class@PLT

#ifdef OF_SOLARIS
.section .init_array, "aw"
#else
︙︙

Modified src/forwarding/forwarding-amd64-macho.S from [b2c96d5bb0] to [b0cd93723c].

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 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include "platform.h"







.globl _OFForward
.globl _OFForward_stret

.section __TEXT, __text, regular, pure_instructions
_OFForward:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)








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 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include "platform.h"

#ifdef HAVE_CET_H
# include <cet.h>
#else
# define _CET_ENDBR
#endif

.globl _OFForward
.globl _OFForward_stret

.section __TEXT, __text, regular, pure_instructions
_OFForward:
	_CET_ENDBR



	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)
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	movq	%rbp, %rsp
	popq	%rbp

	jmp	_OFMethodNotFound

_OFForward_stret:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)








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	movq	%rbp, %rsp
	popq	%rbp

	jmp	_OFMethodNotFound

_OFForward_stret:
	_CET_ENDBR



	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)
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	movq	%rbp, %rsp
	popq	%rbp

	jmp	_OFMethodNotFound_stret

Linit:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	leaq	Lmodule(%rip), %rdi
	jmp	___objc_exec_class

.section __DATA, __mod_init_func, mod_init_funcs
	.quad Linit









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	movq	%rbp, %rsp
	popq	%rbp

	jmp	_OFMethodNotFound_stret

Linit:
	_CET_ENDBR



	leaq	Lmodule(%rip), %rdi
	jmp	___objc_exec_class

.section __DATA, __mod_init_func, mod_init_funcs
	.quad Linit
︙︙

Modified src/forwarding/forwarding-amd64-win64.S from [e1d53b7337] to [9cb3865a66].

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 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"







.globl OFForward
.globl OFForward_stret

.section .text
OFForward:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0x90, %rsp	/* 16-byte alignment */
	movq	%rax, -0x28(%rbp)








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 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#ifdef HAVE_CET_H
# include <cet.h>
#else
# define _CET_ENDBR
#endif

.globl OFForward
.globl OFForward_stret

.section .text
OFForward:
	_CET_ENDBR



	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0x90, %rsp	/* 16-byte alignment */
	movq	%rax, -0x28(%rbp)
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	jmp	OFMethodNotFound
.def OFForward
.scl 2
.type 32
.endef

OFForward_stret:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0x90, %rsp	/* 16-byte alignment */
	movq	%rax, -0x28(%rbp)








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	jmp	OFMethodNotFound
.def OFForward
.scl 2
.type 32
.endef

OFForward_stret:
	_CET_ENDBR



	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0x90, %rsp	/* 16-byte alignment */
	movq	%rax, -0x28(%rbp)
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	jmp	OFMethodNotFound_stret
.def OFForward_stret
.scl 2
.type 32
.endef

.Linit:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	leaq	.Lmodule(%rip), %rcx
	jmp	__objc_exec_class

.section .ctors, "aw"
	.quad .Linit









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	jmp	OFMethodNotFound_stret
.def OFForward_stret
.scl 2
.type 32
.endef

.Linit:
	_CET_ENDBR



	leaq	.Lmodule(%rip), %rcx
	jmp	__objc_exec_class

.section .ctors, "aw"
	.quad .Linit
︙︙

Modified src/forwarding/forwarding-x86-elf.S from [c50bd5dc41] to [fb77637fec].

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 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include "platform.h"







.globl OFForward
.globl OFForward_stret

.section .text
OFForward:
#ifdef HAVE_ENDBR32
	endbr32
#endif

	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp









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 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include "platform.h"

#ifdef HAVE_CET_H
# include <cet.h>
#else
# define _CET_ENDBR
#endif

.globl OFForward
.globl OFForward_stret

.section .text
OFForward:
	_CET_ENDBR



	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp
︙︙
86
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93
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95
96
97
98
99
100
101
102

	popl	%ebp

	jmp	*%eax
.type OFForward, %function
.size OFForward, .-OFForward

OFForward_stret:
#ifdef HAVE_ENDBR32
	endbr32
#endif

	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp









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<








90
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97


98
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102
103
104

	popl	%ebp

	jmp	*%eax
.type OFForward, %function
.size OFForward, .-OFForward

OFForward_stret:
	_CET_ENDBR



	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp
︙︙
154
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164
165
166
167
168
169
170

	popl	%ebp

	jmp	*%eax
.type OFForward_stret, %function
.size OFForward_stret, .-OFForward_stret

.Linit:
#ifdef HAVE_ENDBR32
	endbr32
#endif

	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$4, %esp









|
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<








156
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	popl	%ebp

	jmp	*%eax
.type OFForward_stret, %function
.size OFForward_stret, .-OFForward_stret

.Linit:
	_CET_ENDBR



	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$4, %esp
︙︙

Modified src/forwarding/forwarding-x86-win32.S from [fa878f1d90] to [4d792b9be9].

︙︙
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28
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31
32

 * file.
 */

#include "config.h"

.globl _OFForward
.globl _OFForward_stret







.section .text
_OFForward:
#ifdef HAVE_ENDBR32
	endbr32
#endif

	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp









>
>
>
>
>
>



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35
36

 * file.
 */

#include "config.h"

.globl _OFForward
.globl _OFForward_stret

#ifdef HAVE_CET_H
# include <cet.h>
#else
# define _CET_ENDBR
#endif

.section .text
_OFForward:
	_CET_ENDBR



	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp
︙︙
81
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88
89
90
91
92
93
94
95
96
97

	jmp	_OFMethodNotFound
.def _OFForward
.scl 2
.type 32
.endef

_OFForward_stret:
#ifdef HAVE_ENDBR32
	endbr32
#endif

	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp









|
<
<








85
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89
90
91
92


93
94
95
96
97
98
99

	jmp	_OFMethodNotFound
.def _OFForward
.scl 2
.type 32
.endef

_OFForward_stret:
	_CET_ENDBR



	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp
︙︙
146
147
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149
150
151
152
153
154
155
156
157
158
159
160
161
162

	jmp	_OFMethodNotFound_stret
.def _OFForward_stret
.scl 2
.type 32
.endef

.Linit:
#ifdef HAVE_ENDBR32
	endbr32
#endif

	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$4, %esp









|
<
<








148
149
150
151
152
153
154
155


156
157
158
159
160
161
162

	jmp	_OFMethodNotFound_stret
.def _OFForward_stret
.scl 2
.type 32
.endef

.Linit:
	_CET_ENDBR



	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$4, %esp
︙︙

Modified src/runtime/lookup-asm/lookup-asm-amd64-elf.S from [2b44a729f4] to [c26c73e7ea].

︙︙
12
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19
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23
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27
28
29
30
31
32
33
34
35
36
37

 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include "platform.h"







.globl objc_msg_lookup
.globl objc_msg_lookup_stret
.globl objc_msg_lookup_super
.globl objc_msg_lookup_super_stret

.section .text
.macro GENERATE_LOOKUP name notFound
\name:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	testq	%rdi, %rdi
	jz	.LreturnNilMethod

	testb	$1, %dil
	jnz	.LtaggedPointer_\name









>
>
>
>
>
>









|
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12
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20
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29
30
31
32
33
34


35
36
37
38
39
40
41

 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include "platform.h"

#ifdef HAVE_CET_H
# include <cet.h>
#else
# define _CET_ENDBR
#endif

.globl objc_msg_lookup
.globl objc_msg_lookup_stret
.globl objc_msg_lookup_super
.globl objc_msg_lookup_super_stret

.section .text
.macro GENERATE_LOOKUP name notFound
\name:
	_CET_ENDBR



	testq	%rdi, %rdi
	jz	.LreturnNilMethod

	testb	$1, %dil
	jnz	.LtaggedPointer_\name
︙︙
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84

	jmp	.Lmain_\name
.type \name, %function
.size \name, .-\name
.endm

.macro GENERATE_LOOKUP_SUPER name lookup
\name:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	movq	%rdi, %r8
	movq	(%rdi), %rdi
	testq	%rdi, %rdi
	jz	.LreturnNilMethod

	movq	8(%r8), %r8








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72
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75
76
77
78
79


80
81
82
83
84
85
86

	jmp	.Lmain_\name
.type \name, %function
.size \name, .-\name
.endm

.macro GENERATE_LOOKUP_SUPER name lookup
\name:
	_CET_ENDBR



	movq	%rdi, %r8
	movq	(%rdi), %rdi
	testq	%rdi, %rdi
	jz	.LreturnNilMethod

	movq	8(%r8), %r8
︙︙

Modified src/runtime/lookup-asm/lookup-asm-amd64-macho.S from [e88d4f78e5] to [ef9ad4248e].

︙︙
10
11
12
13
14
15
16






17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35

 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"







.globl _objc_msg_lookup
.globl _objc_msg_lookup_stret
.globl _objc_msg_lookup_super
.globl _objc_msg_lookup_super_stret

.section __TEXT, __text, regular, pure_instructions
.macro GENERATE_LOOKUP
$0:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	testq	%rdi, %rdi
	jz	LreturnNilMethod

	testb	$$1, %dil
	jnz	LtaggedPointer_$0









>
>
>
>
>
>









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10
11
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13
14
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17
18
19
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22
23
24
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26
27
28
29
30
31
32


33
34
35
36
37
38
39

 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#ifdef HAVE_CET_H
# include <cet.h>
#else
# define _CET_ENDBR
#endif

.globl _objc_msg_lookup
.globl _objc_msg_lookup_stret
.globl _objc_msg_lookup_super
.globl _objc_msg_lookup_super_stret

.section __TEXT, __text, regular, pure_instructions
.macro GENERATE_LOOKUP
$0:
	_CET_ENDBR



	testq	%rdi, %rdi
	jz	LreturnNilMethod

	testb	$$1, %dil
	jnz	LtaggedPointer_$0
︙︙
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80

	movq	64(%r8), %r8

	jmp	Lmain_$0
.endmacro

.macro GENERATE_LOOKUP_SUPER
$0:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	movq	%rdi, %r8
	movq	(%rdi), %rdi
	testq	%rdi, %rdi
	jz	LreturnNilMethod

	movq	8(%r8), %r8








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<
<








68
69
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71
72
73
74
75


76
77
78
79
80
81
82

	movq	64(%r8), %r8

	jmp	Lmain_$0
.endmacro

.macro GENERATE_LOOKUP_SUPER
$0:
	_CET_ENDBR



	movq	%rdi, %r8
	movq	(%rdi), %rdi
	testq	%rdi, %rdi
	jz	LreturnNilMethod

	movq	8(%r8), %r8
︙︙

Modified src/runtime/lookup-asm/lookup-asm-amd64-win64.S from [94ccf0547a] to [5536a6afa6].

︙︙
10
11
12
13
14
15
16






17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35

 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"







.globl objc_msg_lookup
.globl objc_msg_lookup_stret
.globl objc_msg_lookup_super
.globl objc_msg_lookup_super_stret

.section .text
.macro GENERATE_LOOKUP name notFound
\name:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	testq	%rcx, %rcx
	jz	.LreturnNilMethod

	testb	$1, %cl
	jnz	.LtaggedPointer_\name









>
>
>
>
>
>









|
<
<








10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32


33
34
35
36
37
38
39

 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#ifdef HAVE_CET_H
# include <cet.h>
#else
# define _CET_ENDBR
#endif

.globl objc_msg_lookup
.globl objc_msg_lookup_stret
.globl objc_msg_lookup_super
.globl objc_msg_lookup_super_stret

.section .text
.macro GENERATE_LOOKUP name notFound
\name:
	_CET_ENDBR



	testq	%rcx, %rcx
	jz	.LreturnNilMethod

	testb	$1, %cl
	jnz	.LtaggedPointer_\name
︙︙
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91

.scl 2
.type 32
.endef
.endm

.macro GENERATE_LOOKUP_SUPER name lookup
\name:
#ifdef HAVE_ENDBR64
	endbr64
#endif

	movq	%rcx, %r8
	movq	(%rcx), %rcx
	testq	%rcx, %rcx
	jz	.LreturnNilMethod

	movq	8(%r8), %r8








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79
80
81
82
83
84
85
86


87
88
89
90
91
92
93

.scl 2
.type 32
.endef
.endm

.macro GENERATE_LOOKUP_SUPER name lookup
\name:
	_CET_ENDBR



	movq	%rcx, %r8
	movq	(%rcx), %rcx
	testq	%rcx, %rcx
	jz	.LreturnNilMethod

	movq	8(%r8), %r8
︙︙

Modified src/runtime/lookup-asm/lookup-asm-x86-elf.S from [8f444911c9] to [f6654defd2].

︙︙
12
13
14
15
16
17
18






19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include "platform.h"







.globl objc_msg_lookup
.globl objc_msg_lookup_stret
.globl objc_msg_lookup_super
.globl objc_msg_lookup_super_stret

.section .text
.macro GENERATE_LOOKUP name notFound
\name:
#ifdef HAVE_ENDBR32
	endbr32
#endif

	movl	4(%esp), %edx
	testl	%edx, %edx
	jz	.LreturnNilMethod

	testb	$1, %dl
	jnz	.LtaggedPointer_\name








>
>
>
>
>
>









|
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<








12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34


35
36
37
38
39
40
41

 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include "platform.h"

#ifdef HAVE_CET_H
# include <cet.h>
#else
# define _CET_ENDBR
#endif

.globl objc_msg_lookup
.globl objc_msg_lookup_stret
.globl objc_msg_lookup_super
.globl objc_msg_lookup_super_stret

.section .text
.macro GENERATE_LOOKUP name notFound
\name:
	_CET_ENDBR



	movl	4(%esp), %edx
	testl	%edx, %edx
	jz	.LreturnNilMethod

	testb	$1, %dl
	jnz	.LtaggedPointer_\name
︙︙
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94

	jmp	.Lmain_\name
.type \name, %function
.size \name, .-\name
.endm

.macro GENERATE_LOOKUP_SUPER name lookup
\name:
#ifdef HAVE_ENDBR32
	endbr32
#endif

	movl	4(%esp), %edx
	movl	(%edx), %eax
	testl	%eax, %eax
	jz	.LreturnNilMethod

	movl	%eax, 4(%esp)








|
<
<








82
83
84
85
86
87
88
89


90
91
92
93
94
95
96

	jmp	.Lmain_\name
.type \name, %function
.size \name, .-\name
.endm

.macro GENERATE_LOOKUP_SUPER name lookup
\name:
	_CET_ENDBR



	movl	4(%esp), %edx
	movl	(%edx), %eax
	testl	%eax, %eax
	jz	.LreturnNilMethod

	movl	%eax, 4(%esp)
︙︙

Modified src/runtime/lookup-asm/lookup-asm-x86-win32.S from [aee3f07f59] to [31732be2f7].

︙︙
10
11
12
13
14
15
16






17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35

 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"







.globl _objc_msg_lookup
.globl _objc_msg_lookup_stret
.globl _objc_msg_lookup_super
.globl _objc_msg_lookup_super_stret

.section .text
.macro GENERATE_LOOKUP name notFound
\name:
#ifdef HAVE_ENDBR32
	endbr32
#endif

	movl	4(%esp), %edx
	testl	%edx, %edx
	jz	.LreturnNilMethod

	testb	$1, %dl
	jnz	.LtaggedPointer_\name








>
>
>
>
>
>









|
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<








10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32


33
34
35
36
37
38
39

 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#ifdef HAVE_CET_H
# include <cet.h>
#else
# define _CET_ENDBR
#endif

.globl _objc_msg_lookup
.globl _objc_msg_lookup_stret
.globl _objc_msg_lookup_super
.globl _objc_msg_lookup_super_stret

.section .text
.macro GENERATE_LOOKUP name notFound
\name:
	_CET_ENDBR



	movl	4(%esp), %edx
	testl	%edx, %edx
	jz	.LreturnNilMethod

	testb	$1, %dl
	jnz	.LtaggedPointer_\name
︙︙
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83

.scl 2
.type 32
.endef
.endm

.macro GENERATE_LOOKUP_SUPER name lookup
\name:
#ifdef HAVE_ENDBR32
	endbr32
#endif

	movl	4(%esp), %edx
	movl	(%edx), %eax
	test	%eax, %eax
	jz	.LreturnNilMethod

	movl	%eax, 4(%esp)








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71
72
73
74
75
76
77
78


79
80
81
82
83
84
85

.scl 2
.type 32
.endef
.endm

.macro GENERATE_LOOKUP_SUPER name lookup
\name:
	_CET_ENDBR



	movl	4(%esp), %edx
	movl	(%edx), %eax
	test	%eax, %eax
	jz	.LreturnNilMethod

	movl	%eax, 4(%esp)
︙︙

Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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