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* file.
*/
#include "config.h"
#include "platform.h"
.intel_syntax noprefix
test rdi, rdi
testq %rdi, %rdi
jz .LreturnNilMethod
test dil, 1
testb $1, %dil
jnz .LtaggedPointer_\name
mov r8, [rdi]
mov r8, [r8 + 64]
movq (%rdi), %r8
movq 64(%r8), %r8
.Lmain_\name:
mov rax, [rsi]
movzx ecx, ah
movzx edx, al
movq (%rsi), %rax
movzbl %ah, %ecx
movzbl %al, %edx
#ifdef OF_SELUID24
shr eax, 16
shrl $16, %eax
mov r8, [r8 + 8 * rax]
movq (%r8,%rax,8), %r8
#endif
mov r8, [r8 + 8 * rcx]
mov rax, [r8 + 8 * rdx]
movq (%r8,%rcx,8), %r8
movq (%r8,%rdx,8), %rax
test rax, rax
testq %rax, %rax
jz \notFound@PLT
ret
.LtaggedPointer_\name:
mov rax, [rip + objc_taggedPointerSecret@GOTPCREL]
xor rdi, [rax]
and dil, 0xE
movzx r8d, dil
movq objc_taggedPointerSecret@GOTPCREL(%rip), %rax
xorq (%rax), %rdi
andb $0xE, %dil
movzbl %dil, %r8d
mov rax, [rip + objc_taggedPointerClasses@GOTPCREL]
mov r8, [rax + 4 * r8]
mov r8, [r8 + 64]
movq objc_taggedPointerClasses@GOTPCREL(%rip), %rax
movq (%rax,%r8,4), %r8
movq 64(%r8), %r8
jmp .Lmain_\name
.type \name, %function
.size \name, .-\name
.endm
.macro GENERATE_LOOKUP_SUPER name lookup
\name:
mov r8, rdi
mov rdi, [rdi]
test rdi, rdi
movq %rdi, %r8
movq (%rdi), %rdi
testq %rdi, %rdi
jz .LreturnNilMethod
mov r8, [r8 + 8]
mov r8, [r8 + 64]
movq 8(%r8), %r8
movq 64(%r8), %r8
jmp .Lmain_\lookup
.type \name, %function
.size \name, .-\name
.endm
GENERATE_LOOKUP objc_msg_lookup objc_methodNotFound
GENERATE_LOOKUP objc_msg_lookup_stret objc_methodNotFound_stret
GENERATE_LOOKUP_SUPER objc_msg_lookup_super objc_msg_lookup
GENERATE_LOOKUP_SUPER objc_msg_lookup_super_stret objc_msg_lookup_stret
.LreturnNilMethod:
lea rax, [rip + .LnilMethod]
leaq .LnilMethod(%rip), %rax
ret
.LnilMethod:
xor rax, rax
xorq %rax, %rax
ret
#if defined(OF_LINUX) || defined(OF_HAIKU) || defined(OF_HURD)
.section .note.GNU-stack, "", %progbits
#endif
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