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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
\name:
beqz $a0, 0f
andi $t0, $a0, 1
bnez $t0, .Ltagged_pointer_\name
ld $t0, ($a0)
ld $t0, 64($t0)
.Lmain_\name:
#ifdef OF_BIG_ENDIAN
# ifdef OF_SELUID24
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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 notFound
\name:
beqz $a0, 0f
andi $t0, $a0, 1
bnez $t0, .LtaggedPointer_\name
ld $t0, ($a0)
ld $t0, 64($t0)
.Lmain_\name:
#ifdef OF_BIG_ENDIAN
# ifdef OF_SELUID24
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move $v0, $t0
jr $ra
0:
lui $v0, %hi(%neg(%gp_rel(\name)))
daddiu $v0, $v0, %lo(%neg(%gp_rel(\name)))
daddu $v0, $v0, $t9
ld $v0, %got_disp(nil_method)($v0)
jr $ra
1:
lui $t0, %hi(%neg(%gp_rel(\name)))
daddiu $t0, $t0, %lo(%neg(%gp_rel(\name)))
daddu $t0, $t0, $t9
ld $t9, %got_disp(\not_found)($t0)
jr $t9
.Ltagged_pointer_\name:
lui $t0, %hi(%neg(%gp_rel(\name)))
daddiu $t0, $t0, %lo(%neg(%gp_rel(\name)))
daddu $t0, $t0, $t9
ld $t1, %got_disp(objc_tagged_pointer_secret)($t0)
ld $t1, 0($t1)
xor $t1, $a0, $t1
and $t1, $t1, 0xE
dsll $t1, $t1, 2
ld $t0, %got_disp(objc_tagged_pointer_classes)($t0)
daddu $t0, $t0, $t1
ld $t0, ($t0)
ld $t0, 64($t0)
b .Lmain_\name
.type \name, %function
.size \name, .-\name
.endm
.macro generate_lookup_super name lookup
\name:
move $t0, $a0
ld $a0, ($a0)
beqz $a0, 0f
ld $t0, 8($t0)
ld $t0, 64($t0)
daddiu $t9, $t9, \lookup-\name
b .Lmain_\lookup
0:
lui $v0, %hi(%neg(%gp_rel(\name)))
daddiu $v0, $v0, %lo(%neg(%gp_rel(\name)))
daddu $v0, $v0, $t9
ld $v0, %got_disp(nil_method)($v0)
jr $ra
.type \name, %function
.size \name, .-\name
.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
nil_method:
move $v0, $zero
jr $ra
#ifdef OF_LINUX
.section .note.GNU-stack, "", %progbits
#endif
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move $v0, $t0
jr $ra
0:
lui $v0, %hi(%neg(%gp_rel(\name)))
daddiu $v0, $v0, %lo(%neg(%gp_rel(\name)))
daddu $v0, $v0, $t9
ld $v0, %got_disp(nilMethod)($v0)
jr $ra
1:
lui $t0, %hi(%neg(%gp_rel(\name)))
daddiu $t0, $t0, %lo(%neg(%gp_rel(\name)))
daddu $t0, $t0, $t9
ld $t9, %got_disp(\notFound)($t0)
jr $t9
.LtaggedPointer_\name:
lui $t0, %hi(%neg(%gp_rel(\name)))
daddiu $t0, $t0, %lo(%neg(%gp_rel(\name)))
daddu $t0, $t0, $t9
ld $t1, %got_disp(objc_taggedPointerSecret)($t0)
ld $t1, 0($t1)
xor $t1, $a0, $t1
and $t1, $t1, 0xE
dsll $t1, $t1, 2
ld $t0, %got_disp(objc_taggedPointerClasses)($t0)
daddu $t0, $t0, $t1
ld $t0, ($t0)
ld $t0, 64($t0)
b .Lmain_\name
.type \name, %function
.size \name, .-\name
.endm
.macro GENERATE_LOOKUP_SUPER name lookup
\name:
move $t0, $a0
ld $a0, ($a0)
beqz $a0, 0f
ld $t0, 8($t0)
ld $t0, 64($t0)
daddiu $t9, $t9, \lookup-\name
b .Lmain_\lookup
0:
lui $v0, %hi(%neg(%gp_rel(\name)))
daddiu $v0, $v0, %lo(%neg(%gp_rel(\name)))
daddu $v0, $v0, $t9
ld $v0, %got_disp(nilMethod)($v0)
jr $ra
.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
nilMethod:
move $v0, $zero
jr $ra
#ifdef OF_LINUX
.section .note.GNU-stack, "", %progbits
#endif
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