Differences From Artifact [2e098aafbd]:
- File
src/forwarding/forwarding-x86-elf.S
— part of check-in
[2073a345ba]
at
2020-06-29 23:14:11
on branch trunk
— Convert all x86/ELF ASM files to Intel syntax
GAS has decent support for Intel syntax these days, so there is little
reason to stick with AT&T syntax. (user: js, size: 3630) [annotate] [blame] [check-ins using] [more...]
To Artifact [1b2ac8ff28]:
- File src/forwarding/forwarding-x86-elf.S — part of check-in [0b417fb86f] at 2020-06-30 00:11:12 on branch trunk — Make use of @PLT in x86/ELF ASM (user: js, size: 3444) [annotate] [blame] [check-ins using]
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34 35 36 37 38 39 40 | call get_eip 0: add ebx, offset _GLOBAL_OFFSET_TABLE_ mov eax, [ebp+8] mov [esp], eax | | < | < | < | < | 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 | call get_eip 0: 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 1f 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 1f cmp eax, [ebp+8] je short 1f 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 |
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98 99 100 101 102 103 104 | push ebp mov ebp, esp push ebx sub esp, 20 call get_eip | < | < | < | < | < | 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 | push ebp mov ebp, esp push ebx sub esp, 20 call get_eip 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 1f 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 1f cmp eax, [ebp+12] je short 1f 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 |
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167 168 169 170 171 172 173 | push ebp mov ebp, esp push ebx sub esp, 4 call get_eip | < | < | 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 | push ebp mov ebp, esp push ebx sub esp, 4 call get_eip 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 get_eip: |
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