Overview
Comment: | Move x86/ELF assembly back to Intel syntax
This used to be in Intel syntax, but was moved back to AT&T syntax for |
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a338982b3bd051b36efa085d4b7fe263 |
User & Date: | js on 2023-10-25 22:26:18 |
Other Links: | manifest | tags |
Context
2023-10-26
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19:16 | platform/x86/OFAtomic.h: Reduce code duplication check-in: 3751618dd1 user: js tags: trunk | |
2023-10-25
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22:26 | Move x86/ELF assembly back to Intel syntax check-in: a338982b3b user: js tags: trunk | |
00:50 | Move x86/Win32 assembly back to Intel syntax check-in: 357bcde965 user: js tags: trunk | |
Changes
Modified src/forwarding/forwarding-x86-elf.S from [b808836991] to [4b872d6763].
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13 14 15 16 17 18 19 20 21 22 23 24 | * file. */ #include "config.h" #include "platform.h" .globl OFForward .globl OFForward_stret .section .text OFForward: | > > | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 | * file. */ #include "config.h" #include "platform.h" .intel_syntax noprefix .globl OFForward .globl OFForward_stret .section .text OFForward: push ebp mov ebp, esp push ebx sub esp, 20 call getEIP add ebx, offset _GLOBAL_OFFSET_TABLE_ mov eax, [ebp + 8] mov [esp], eax call object_getClass@PLT mov [esp], eax lea eax, [ebx + sel_forwardingTargetForSelector_@GOTOFF] mov [esp + 4], eax call class_respondsToSelector@PLT test eax, eax jz short 0f mov eax, [ebp + 8] mov [esp], eax lea eax, [ebx + sel_forwardingTargetForSelector_@GOTOFF] mov [esp + 4], eax call objc_msg_lookup@PLT mov edx, [ebp + 8] mov [esp], edx lea edx, [ebx + sel_forwardingTargetForSelector_@GOTOFF] mov [esp + 4], edx mov edx, [ebp + 12] mov [esp + 8], edx call eax test eax, eax jz short 0f cmp eax, [ebp + 8] je short 0f mov [ebp + 8], eax mov [esp], eax mov eax, [ebp + 12] mov [esp + 4], eax call objc_msg_lookup@PLT add esp, 20 pop ebx pop ebp jmp eax 0: mov eax, [ebx + OFMethodNotFound@GOT] add esp, 20 pop ebx pop ebp jmp eax .type OFForward, %function .size OFForward, .-OFForward OFForward_stret: push ebp mov ebp, esp push ebx sub esp, 20 call getEIP add ebx, offset _GLOBAL_OFFSET_TABLE_ mov eax, [ebp + 12] mov [esp], eax call object_getClass@PLT mov [esp], eax lea eax, [ebx + sel_forwardingTargetForSelector_@GOTOFF] mov [esp + 4], eax call class_respondsToSelector@PLT test eax, eax jz short 0f mov eax, [ebp + 12] mov [esp], eax lea eax, [ebx + sel_forwardingTargetForSelector_@GOTOFF] mov [esp + 4], eax call objc_msg_lookup@PLT mov edx, [ebp + 12] mov [esp], edx lea edx, [ebx + sel_forwardingTargetForSelector_@GOTOFF] mov [esp + 4], edx mov edx, [ebp + 16] mov [esp + 8], edx call eax test eax, eax jz short 0f cmp eax, [ebp + 12] je short 0f mov [ebp + 12], eax mov [esp], eax mov eax, [ebp + 16] mov [esp + 4], eax call objc_msg_lookup_stret@PLT add esp, 20 pop ebx pop ebp jmp eax 0: mov eax, [ebx + OFMethodNotFound_stret@GOT] add esp, 20 pop ebx pop ebp jmp eax .type OFForward_stret, %function .size OFForward_stret, .-OFForward_stret init: push ebp mov ebp, esp push ebx sub esp, 4 call getEIP add ebx, offset _GLOBAL_OFFSET_TABLE_ lea eax, [ebx + module@GOTOFF] mov [esp], eax call __objc_exec_class@PLT add esp, 4 pop ebx pop ebp ret getEIP: mov ebx, [esp] ret #ifdef OF_SOLARIS .section .init_array, "aw" #else .section .ctors, "aw", %progbits #endif |
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Modified src/runtime/lookup-asm/lookup-asm-x86-elf.S from [4341f730bd] to [a240f9cb41].
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13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | * file. */ #include "config.h" #include "platform.h" .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: | > > | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | * file. */ #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 jz short returnNilMethod test dl, 1 jnz short .LtaggedPointer_\name mov edx, [edx] mov edx, [edx + 32] .Lmain_\name: mov eax, [esp + 8] #ifdef OF_SELUID24 movzx ecx, byte ptr [eax + 2] mov edx, [edx + 4 * ecx] #endif movzx ecx, byte ptr [eax + 1] mov edx, [edx + 4 * ecx] movzx ecx, byte ptr [eax] mov eax, [edx + 4 * ecx] test eax, eax jz short 0f ret 0: call getEIP add eax, offset _GLOBAL_OFFSET_TABLE_ mov eax, [eax + \notFound@GOT] jmp eax .LtaggedPointer_\name: call getEIP 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] jmp short .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 jz short returnNilMethod mov [esp + 4], eax mov edx, [edx + 4] mov edx, [edx + 32] jmp short .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 returnNilMethod: call getEIP add eax, offset _GLOBAL_OFFSET_TABLE_ lea eax, [eax + nilMethod@GOTOFF] ret nilMethod: xor eax, eax ret getEIP: mov eax, [esp] ret #if defined(OF_LINUX) || defined(OF_HAIKU) || defined(OF_HURD) .section .note.GNU-stack, "", %progbits #endif |