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.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 not_found
.macro GENERATE_LOOKUP name notFound
\name:
movl 4(%esp), %edx
testl %edx, %edx
jz ret_nil
jz returnNilMethod
testb $1, %dl
jnz .Ltagged_pointer_\name
jnz .LtaggedPointer_\name
movl (%edx), %edx
movl 32(%edx), %edx
.Lmain_\name:
movl 8(%esp), %eax
#ifdef OF_SELUID24
movzbl 2(%eax), %ecx
movl (%edx,%ecx,4), %edx
#endif
movzbl 1(%eax), %ecx
movl (%edx,%ecx,4), %edx
movzbl (%eax), %ecx
movl (%edx,%ecx,4), %eax
testl %eax, %eax
jz \not_found
jz \notFound
ret
.Ltagged_pointer_\name:
xorl _objc_tagged_pointer_secret, %edx
.LtaggedPointer_\name:
xorl _objc_taggedPointerSecret, %edx
andb $0xE, %dl
movzbl %dl, %edx
movl _objc_tagged_pointer_classes(,%edx,2), %edx
movl _objc_taggedPointerClasses(,%edx,2), %edx
movl 32(%edx), %edx
jmp .Lmain_\name
.def \name
.scl 2
.type 32
.endef
.endm
.macro generate_lookup_super name lookup
.macro GENERATE_LOOKUP_SUPER name lookup
\name:
movl 4(%esp), %edx
movl (%edx), %eax
test %eax, %eax
jz ret_nil
jz returnNilMethod
movl %eax, 4(%esp)
movl 4(%edx), %edx
movl 32(%edx), %edx
jmp .Lmain_\lookup
.def \name
.scl 2
.type 32
.endef
.endm
generate_lookup _objc_msg_lookup _objc_method_not_found
generate_lookup _objc_msg_lookup_stret _objc_method_not_found_stret
generate_lookup_super _objc_msg_lookup_super _objc_msg_lookup
generate_lookup_super _objc_msg_lookup_super_stret _objc_msg_lookup_stret
ret_nil:
movl $nil_method, %eax
returnNilMethod:
movl $nilMethod, %eax
ret
nil_method:
nilMethod:
xorl %eax, %eax
ret
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