@@ -15,81 +15,79 @@ #include "config.h" #include "platform.h" -.intel_syntax noprefix - .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: - mov edx, [esp + 4] - test edx, edx + movl 4(%esp), %edx + testl %edx, %edx jz .LreturnNilMethod - test dl, 1 + testb $1, %dl jnz .LtaggedPointer_\name - mov edx, [edx] - mov edx, [edx + 32] + movl (%edx), %edx + movl 32(%edx), %edx .Lmain_\name: - mov eax, [esp + 8] + movl 8(%esp), %eax #ifdef OF_SELUID24 - movzx ecx, byte ptr [eax + 2] - mov edx, [edx + 4 * ecx] + movzbl 2(%eax), %ecx + movl (%edx,%ecx,4), %edx #endif - movzx ecx, byte ptr [eax + 1] - mov edx, [edx + 4 * ecx] - movzx ecx, byte ptr [eax] - mov eax, [edx + 4 * ecx] + movzbl 1(%eax), %ecx + movl (%edx,%ecx,4), %edx + movzbl (%eax), %ecx + movl (%edx,%ecx,4), %eax - test eax, eax + testl %eax, %eax jz 0f ret 0: call .LgetEIP - add eax, offset _GLOBAL_OFFSET_TABLE_ - mov eax, [eax + \notFound@GOT] - jmp eax + addl $_GLOBAL_OFFSET_TABLE_, %eax + movl \notFound@GOT(%eax), %eax + jmp *%eax .LtaggedPointer_\name: call .LgetEIP - add eax, offset _GLOBAL_OFFSET_TABLE_ - - mov ecx, [eax + objc_taggedPointerSecret@GOT] - xor edx, [ecx] - and dl, 0xE - movzx edx, dl - - mov eax, [eax + objc_taggedPointerClasses@GOT] - mov edx, [eax + 2 * edx] - mov edx, [edx + 32] + addl $_GLOBAL_OFFSET_TABLE_, %eax + + movl objc_taggedPointerSecret@GOT(%eax), %ecx + xorl (%ecx), %edx + andb $0xE, %dl + movzbl %dl, %edx + + movl objc_taggedPointerClasses@GOT(%eax), %eax + movl (%eax,%edx,2), %edx + movl 32(%edx), %edx jmp .Lmain_\name .type \name, %function .size \name, .-\name .endm .macro GENERATE_LOOKUP_SUPER name lookup \name: - mov edx, [esp + 4] - mov eax, [edx] - test eax, eax + movl 4(%esp), %edx + movl (%edx), %eax + testl %eax, %eax jz .LreturnNilMethod - mov [esp + 4], eax - mov edx, [edx + 4] - mov edx, [edx + 32] + movl %eax, 4(%esp) + mov 4(%edx), %edx + mov 32(%edx), %edx jmp .Lmain_\lookup .type \name, %function .size \name, .-\name .endm @@ -98,20 +96,20 @@ GENERATE_LOOKUP_SUPER objc_msg_lookup_super objc_msg_lookup GENERATE_LOOKUP_SUPER objc_msg_lookup_super_stret objc_msg_lookup_stret .LreturnNilMethod: call .LgetEIP - add eax, offset _GLOBAL_OFFSET_TABLE_ - lea eax, [eax + .LnilMethod@GOTOFF] + addl $_GLOBAL_OFFSET_TABLE_, %eax + leal .LnilMethod@GOTOFF(%eax), %eax ret .LnilMethod: - xor eax, eax + xorl %eax, %eax ret .LgetEIP: - mov eax, [esp] + movl (%esp), %eax ret #if defined(OF_LINUX) || defined(OF_HAIKU) || defined(OF_HURD) .section .note.GNU-stack, "", %progbits #endif