@@ -17,182 +17,198 @@ #include "platform.h" .globl _OFForward .globl _OFForward_stret + +.intel_syntax noprefix + +/* Work around assembler bugs. */ +.macro call + .att_syntax + /* Use uppercase instruction to avoid recursion. */ + CALL $0 + .intel_syntax noprefix +.endmacro +.macro jmp + .att_syntax + /* Use uppercase instruction to avoid recursion. */ + JMP $0 + .intel_syntax noprefix +.endmacro .section __TEXT, __text, regular, pure_instructions _OFForward: - pushq %rbp - movq %rsp, %rbp + push rbp + mov rbp, rsp /* Save all arguments */ - subq $0xC0, %rsp /* 16-byte alignment */ - movq %rax, -0x8(%rbp) - movq %rdi, -0x10(%rbp) - movq %rsi, -0x18(%rbp) - movq %rdx, -0x20(%rbp) - movq %rcx, -0x28(%rbp) - movq %r8, -0x30(%rbp) - movq %r9, -0x38(%rbp) - movaps %xmm0, -0x50(%rbp) - movaps %xmm1, -0x60(%rbp) - movaps %xmm2, -0x70(%rbp) - movaps %xmm3, -0x80(%rbp) - movaps %xmm4, -0x90(%rbp) - movaps %xmm5, -0xA0(%rbp) - movaps %xmm6, -0xB0(%rbp) - movaps %xmm7, -0xC0(%rbp) + sub rsp, 0xC0 /* 16-byte alignment */ + movq [rbp - 0x08], rax + movq [rbp - 0x10], rdi + movq [rbp - 0x18], rsi + movq [rbp - 0x20], rdx + movq [rbp - 0x28], rcx + movq [rbp - 0x30], r8 + movq [rbp - 0x38], r9 + movaps [rbp - 0x50], xmm0 + movaps [rbp - 0x60], xmm1 + movaps [rbp - 0x70], xmm2 + movaps [rbp - 0x80], xmm3 + movaps [rbp - 0x90], xmm4 + movaps [rbp - 0xA0], xmm5 + movaps [rbp - 0xB0], xmm6 + movaps [rbp - 0xC0], xmm7 call _object_getClass - movq %rax, %rdi - leaq sel_forwardingTargetForSelector_(%rip), %rsi + mov rdi, rax + lea rsi, [rip + sel_forwardingTargetForSelector_] call _class_respondsToSelector - testq %rax, %rax + test rax, rax jz 0f - movq -0x10(%rbp), %rdi - leaq sel_forwardingTargetForSelector_(%rip), %rsi + mov rdi, [rbp - 0x10] + lea rsi, [rip + sel_forwardingTargetForSelector_] call _objc_msg_lookup - movq -0x10(%rbp), %rdi - leaq sel_forwardingTargetForSelector_(%rip), %rsi - movq -0x18(%rbp), %rdx + movq rdi, [rbp - 0x10] + leaq rsi, [rip + sel_forwardingTargetForSelector_] + movq rdx, [rbp - 0x18] call *%rax - testq %rax, %rax + test rax, rax jz 0f - cmpq -0x10(%rbp), %rax + cmp rax, [rbp - 0x10] je 0f - movq %rax, -0x10(%rbp) + mov [rbp - 0x10], rax - movq %rax, %rdi - movq -0x18(%rbp), %rsi + mov rdi, rax + mov rsi, [rbp - 0x18] call _objc_msg_lookup - movq %rax, %r11 + mov r11, rax /* Restore all arguments */ - movaps -0xC0(%rbp), %xmm7 - movaps -0xB0(%rbp), %xmm6 - movaps -0xA0(%rbp), %xmm5 - movaps -0x90(%rbp), %xmm4 - movaps -0x80(%rbp), %xmm3 - movaps -0x70(%rbp), %xmm2 - movaps -0x60(%rbp), %xmm1 - movaps -0x50(%rbp), %xmm0 - movq -0x38(%rbp), %r9 - movq -0x30(%rbp), %r8 - movq -0x28(%rbp), %rcx - movq -0x20(%rbp), %rdx - movq -0x18(%rbp), %rsi - movq -0x10(%rbp), %rdi - movq -0x8(%rbp), %rax - - movq %rbp, %rsp - popq %rbp - - jmpq *%r11 + movaps xmm7, [rbp - 0xC0] + movaps xmm6, [rbp - 0xB0] + movaps xmm5, [rbp - 0xA0] + movaps xmm4, [rbp - 0x90] + movaps xmm3, [rbp - 0x80] + movaps xmm2, [rbp - 0x70] + movaps xmm1, [rbp - 0x60] + movaps xmm0, [rbp - 0x50] + mov r9, [rbp - 0x38] + mov r8, [rbp - 0x30] + mov rcx, [rbp - 0x28] + mov rdx, [rbp - 0x20] + mov rsi, [rbp - 0x18] + mov rdi, [rbp - 0x10] + mov rax, [rbp - 0x08] + + mov rsp, rbp + pop rbp + + jmp *%r11 0: - movq -0x10(%rbp), %rdi - movq -0x18(%rbp), %rsi + mov rdi, [rbp - 0x10] + mov rsi, [rbp - 0x18] - movq %rbp, %rsp - popq %rbp + mov rsp, rbp + pop rbp jmp _OFMethodNotFound _OFForward_stret: - pushq %rbp - movq %rsp, %rbp + push rbp + mov rbp, rsp /* Save all arguments */ - subq $0xC0, %rsp /* 16-byte alignment */ - movq %rax, -0x8(%rbp) - movq %rdi, -0x10(%rbp) - movq %rsi, -0x18(%rbp) - movq %rdx, -0x20(%rbp) - movq %rcx, -0x28(%rbp) - movq %r8, -0x30(%rbp) - movq %r9, -0x38(%rbp) - movaps %xmm0, -0x50(%rbp) - movaps %xmm1, -0x60(%rbp) - movaps %xmm2, -0x70(%rbp) - movaps %xmm3, -0x80(%rbp) - movaps %xmm4, -0x90(%rbp) - movaps %xmm5, -0xA0(%rbp) - movaps %xmm6, -0xB0(%rbp) - movaps %xmm7, -0xC0(%rbp) - - movq %rsi, %rdi + sub rsp, 0xC0 /* 16-byte alignment */ + mov [rbp - 0x08], rax + mov [rbp - 0x10], rdi + mov [rbp - 0x18], rsi + mov [rbp - 0x20], rdx + mov [rbp - 0x28], rcx + mov [rbp - 0x30], r8 + mov [rbp - 0x38], r9 + movaps [rbp - 0x50], xmm0 + movaps [rbp - 0x60], xmm1 + movaps [rbp - 0x70], xmm2 + movaps [rbp - 0x80], xmm3 + movaps [rbp - 0x90], xmm4 + movaps [rbp - 0xA0], xmm5 + movaps [rbp - 0xB0], xmm6 + movaps [rbp - 0xC0], xmm7 + + mov rdi, rsi call _object_getClass - movq %rax, %rdi - leaq sel_forwardingTargetForSelector_(%rip), %rsi + mov rdi, rax + lea rsi, [rip + sel_forwardingTargetForSelector_] call _class_respondsToSelector - testq %rax, %rax + test rax, rax jz 0f - movq -0x18(%rbp), %rdi - leaq sel_forwardingTargetForSelector_(%rip), %rsi + mov rdi, [rbp - 0x18] + lea rsi, [rip + sel_forwardingTargetForSelector_] call _objc_msg_lookup - movq -0x18(%rbp), %rdi - leaq sel_forwardingTargetForSelector_(%rip), %rsi - movq -0x20(%rbp), %rdx + mov rdi, [rbp - 0x18] + lea rsi, [rip + sel_forwardingTargetForSelector_] + mov rdx, [rbp - 0x20] call *%rax - testq %rax, %rax + test rax, rax jz 0f - cmpq -0x18(%rbp), %rax + cmp rax, [rbp - 0x18] je 0f - movq %rax, -0x18(%rbp) + mov [rbp - 0x18], rax - movq %rax, %rdi - movq -0x20(%rbp), %rsi + mov rdi, rax + mov rsi, [rbp - 0x20] call _objc_msg_lookup_stret - movq %rax, %r11 + mov r11, rax /* Restore all arguments */ - movaps -0xC0(%rbp), %xmm7 - movaps -0xB0(%rbp), %xmm6 - movaps -0xA0(%rbp), %xmm5 - movaps -0x90(%rbp), %xmm4 - movaps -0x80(%rbp), %xmm3 - movaps -0x70(%rbp), %xmm2 - movaps -0x60(%rbp), %xmm1 - movaps -0x50(%rbp), %xmm0 - movq -0x38(%rbp), %r9 - movq -0x30(%rbp), %r8 - movq -0x28(%rbp), %rcx - movq -0x20(%rbp), %rdx - movq -0x18(%rbp), %rsi - movq -0x10(%rbp), %rdi - movq -0x8(%rbp), %rax - - movq %rbp, %rsp - popq %rbp - - jmpq *%r11 + movaps xmm7, [rbp - 0xC0] + movaps xmm6, [rbp - 0xB0] + movaps xmm5, [rbp - 0xA0] + movaps xmm4, [rbp - 0x90] + movaps xmm3, [rbp - 0x80] + movaps xmm2, [rbp - 0x70] + movaps xmm1, [rbp - 0x60] + movaps xmm0, [rbp - 0x50] + mov r9, [rbp - 0x38] + mov r8, [rbp - 0x30] + mov rcx, [rbp - 0x28] + mov rdx, [rbp - 0x20] + mov rsi, [rbp - 0x18] + mov rdi, [rbp - 0x10] + mov rax, [rbp - 0x08] + + mov rsp, rbp + pop rbp + + jmp *%r11 0: - movq -0x10(%rbp), %rdi - movq -0x18(%rbp), %rsi - movq -0x20(%rbp), %rdx + mov rdi, [rbp - 0x10] + mov rsi, [rbp - 0x18] + mov rdx, [rbp - 0x20] - movq %rbp, %rsp - popq %rbp + mov rsp, rbp + pop rbp jmp _OFMethodNotFound_stret init: - leaq module(%rip), %rdi + lea rdi, [rip + module] jmp ___objc_exec_class .section __DATA, __mod_init_func, mod_init_funcs .quad init