ObjFW  Check-in [75d88e0f6e]

Overview
Comment:Add endbr32 / endbr64
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Files: files | file ages | folders
SHA3-256: 75d88e0f6e6c6003e9dce22e8a99ac0c6d71db6805f46420e6e4f8bd59461065
User & Date: js on 2024-02-24 20:50:51
Other Links: manifest | tags
Context
2024-02-24
21:07
Add bti instructions check-in: 5c0891c85d user: js tags: trunk
20:57
Add endbr32 / endbr64 check-in: 262baf76e7 user: js tags: 1.0
20:50
Add endbr32 / endbr64 check-in: 75d88e0f6e user: js tags: trunk
19:42
runtime: Fix objc_getClassList not unlocking mutex check-in: 39e23d6363 user: js tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified configure.ac from [5be93faa88] to [6589788787].

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		])
	], [
		AC_DEFINE(HAVE_VFP2, 1, [Whether we have VFP2 or above])
		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_VFP2, 1, [Whether we have VFP2 or above])
		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)
︙︙

Modified src/forwarding/apple-forwarding-amd64.S from [59b2226de5] to [dda0d17f49].

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	.quad Lstr_forwardingTargetForSelector_

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

.section __TEXT, __text, regular, pure_instructions
_OFForward:




	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)
	movq	%rdi, -0x10(%rbp)








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	.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)
	movq	%rdi, -0x10(%rbp)
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	movq	%rbp, %rsp
	popq	%rbp

	jmp	_OFMethodNotFound

_OFForward_stret:




	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)
	movq	%rdi, -0x10(%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)
	movq	%rdi, -0x10(%rbp)
︙︙

Modified src/forwarding/apple-forwarding-x86.S from [5b3e10592e] to [d769e50b08].

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	.long Lstr_forwardingTargetForSelector_

.section __OBJC, __image_info
	.long 0, 0

.section __TEXT, __text, regular, pure_instructions
_OFForward:




	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp

	call	LgetEIP








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	.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

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

	jmp	_OFMethodNotFound

_OFForward_stret:




	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp

	call	LgetEIP








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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

	call	LgetEIP
︙︙

Modified src/forwarding/forwarding-amd64-elf.S from [f508a1c5c1] to [23dfe640bd].

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#include "platform.h"

.globl OFForward
.globl OFForward_stret

.section .text
OFForward:




	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)
	movq	%rdi, -0x10(%rbp)








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#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)
	movq	%rdi, -0x10(%rbp)
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	popq	%rbp

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

OFForward_stret:




	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)
	movq	%rdi, -0x10(%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)
	movq	%rdi, -0x10(%rbp)
︙︙
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	popq	%rbp

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

.Linit:




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

#ifdef OF_SOLARIS
.section .init_array, "aw"
#else
.section .ctors, "aw", %progbits








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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
.section .ctors, "aw", %progbits
︙︙

Modified src/forwarding/forwarding-amd64-macho.S from [fb857e93f9] to [b2c96d5bb0].

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#include "platform.h"

.globl _OFForward
.globl _OFForward_stret

.section __TEXT, __text, regular, pure_instructions
_OFForward:




	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)
	movq	%rdi, -0x10(%rbp)








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#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)
	movq	%rdi, -0x10(%rbp)
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	movq	%rbp, %rsp
	popq	%rbp

	jmp	_OFMethodNotFound

_OFForward_stret:




	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)
	movq	%rdi, -0x10(%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)
	movq	%rdi, -0x10(%rbp)
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	movq	%rbp, %rsp
	popq	%rbp

	jmp	_OFMethodNotFound_stret

Linit:




	leaq	Lmodule(%rip), %rdi
	jmp	___objc_exec_class

.section __DATA, __mod_init_func, mod_init_funcs
	.quad Linit

.section __TEXT, __cstring, cstring_literals








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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

.section __TEXT, __cstring, cstring_literals
︙︙

Modified src/forwarding/forwarding-amd64-win64.S from [fedf0b1bb7] to [e1d53b7337].

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#include "config.h"

.globl OFForward
.globl OFForward_stret

.section .text
OFForward:




	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0x90, %rsp	/* 16-byte alignment */
	movq	%rax, -0x28(%rbp)
	movq	%rcx, -0x30(%rbp)








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#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)
	movq	%rcx, -0x30(%rbp)
︙︙
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	jmp	OFMethodNotFound
.def OFForward
.scl 2
.type 32
.endef

OFForward_stret:




	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0x90, %rsp	/* 16-byte alignment */
	movq	%rax, -0x28(%rbp)
	movq	%rcx, -0x30(%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)
	movq	%rcx, -0x30(%rbp)
︙︙
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	jmp	OFMethodNotFound_stret
.def OFForward_stret
.scl 2
.type 32
.endef

.Linit:




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

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

.section .rodata








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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

.section .rodata
︙︙

Modified src/forwarding/forwarding-x86-elf.S from [8672a85794] to [c50bd5dc41].

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#include "platform.h"

.globl OFForward
.globl OFForward_stret

.section .text
OFForward:




	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp

	call	.LgetEIP








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#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

	call	.LgetEIP
︙︙
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	popl	%ebp

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

OFForward_stret:




	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp

	call	.LgetEIP








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	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

	call	.LgetEIP
︙︙
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	popl	%ebp

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

.Linit:




	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$4, %esp

	call	.LgetEIP








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	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

	call	.LgetEIP
︙︙

Modified src/forwarding/forwarding-x86-win32.S from [5d1651a3b2] to [fa878f1d90].

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#include "config.h"

.globl _OFForward
.globl _OFForward_stret

.section .text
_OFForward:




	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp

	movl	8(%ebp), %eax








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#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

	movl	8(%ebp), %eax
︙︙
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	jmp	_OFMethodNotFound
.def _OFForward
.scl 2
.type 32
.endef

_OFForward_stret:




	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp

	movl	12(%ebp), %eax








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	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

	movl	12(%ebp), %eax
︙︙
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	jmp	_OFMethodNotFound_stret
.def _OFForward_stret
.scl 2
.type 32
.endef

.Linit:




	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$4, %esp

	movl	$.Lmodule, %eax








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>
>
>








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	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

	movl	$.Lmodule, %eax
︙︙

Modified src/runtime/lookup-asm/lookup-asm-amd64-elf.S from [d99537b0fa] to [2b44a729f4].

︙︙
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34

.globl objc_msg_lookup_stret
.globl objc_msg_lookup_super
.globl objc_msg_lookup_super_stret

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




	testq	%rdi, %rdi
	jz	.LreturnNilMethod

	testb	$1, %dil
	jnz	.LtaggedPointer_\name

	movq	(%rdi), %r8








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>
>
>








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.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

	movq	(%rdi), %r8
︙︙
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70




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77

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

.macro GENERATE_LOOKUP_SUPER name lookup
\name:




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

	movq	8(%r8), %r8
	movq	64(%r8), %r8








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>
>








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	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
	movq	64(%r8), %r8
︙︙

Modified src/runtime/lookup-asm/lookup-asm-amd64-macho.S from [77b3efe9ac] to [e88d4f78e5].

︙︙
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32

.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:




	testq	%rdi, %rdi
	jz	LreturnNilMethod

	testb	$$1, %dil
	jnz	LtaggedPointer_$0

	movq	(%rdi), %r8








>
>
>
>








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.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

	movq	(%rdi), %r8
︙︙
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64
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66




67
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73

	movq	64(%r8), %r8

	jmp	Lmain_$0
.endmacro

.macro GENERATE_LOOKUP_SUPER
$0:




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

	movq	8(%r8), %r8
	movq	64(%r8), %r8








>
>
>
>








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81

	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
	movq	64(%r8), %r8
︙︙

Modified src/runtime/lookup-asm/lookup-asm-amd64-win64.S from [c432b0ebda] to [94ccf0547a].

︙︙
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25




26
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31
32

.globl objc_msg_lookup_stret
.globl objc_msg_lookup_super
.globl objc_msg_lookup_super_stret

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




	testq	%rcx, %rcx
	jz	.LreturnNilMethod

	testb	$1, %cl
	jnz	.LtaggedPointer_\name

	movq	(%rcx), %r8








>
>
>
>








19
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36

.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

	movq	(%rcx), %r8
︙︙
71
72
73
74
75
76
77




78
79
80
81
82
83
84

.scl 2
.type 32
.endef
.endm

.macro GENERATE_LOOKUP_SUPER name lookup
\name:




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

	movq	8(%r8), %r8
	movq	56(%r8), %r8








>
>
>
>








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81
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83
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85
86
87
88
89
90
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92

.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
	movq	56(%r8), %r8
︙︙

Modified src/runtime/lookup-asm/lookup-asm-x86-elf.S from [875e7a8b79] to [8f444911c9].

︙︙
21
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25
26
27




28
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30
31
32
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34

.globl objc_msg_lookup_stret
.globl objc_msg_lookup_super
.globl objc_msg_lookup_super_stret

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




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

	testb	$1, %dl
	jnz	.LtaggedPointer_\name









>
>
>
>








21
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38

.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
︙︙
74
75
76
77
78
79
80




81
82
83
84
85
86
87

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

.macro GENERATE_LOOKUP_SUPER name lookup
\name:




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

	movl	%eax, 4(%esp)
	mov	4(%edx), %edx








>
>
>
>








78
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81
82
83
84
85
86
87
88
89
90
91
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93
94
95

	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)
	mov	4(%edx), %edx
︙︙

Modified src/runtime/lookup-asm/lookup-asm-x86-win32.S from [f5268f2582] to [aee3f07f59].

︙︙
19
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21
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23
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25




26
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28
29
30
31
32

.globl _objc_msg_lookup_stret
.globl _objc_msg_lookup_super
.globl _objc_msg_lookup_super_stret

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




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

	testb	$1, %dl
	jnz	.LtaggedPointer_\name









>
>
>
>








19
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30
31
32
33
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35
36

.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
︙︙
63
64
65
66
67
68
69




70
71
72
73
74
75
76

.scl 2
.type 32
.endef
.endm

.macro GENERATE_LOOKUP_SUPER name lookup
\name:




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

	movl	%eax, 4(%esp)
	movl	4(%edx), %edx








>
>
>
>








67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84

.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)
	movl	4(%edx), %edx
︙︙

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