Differences From Artifact [44cfb2c923]:
- File
src/runtime/lookup-asm/lookup-asm-x86-win32.S
— part of check-in
[2630b77909]
at
2020-06-30 01:53:16
on branch trunk
— Convert all x86/Win32 ASM 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: 1738) [annotate] [blame] [check-ins using] [more...]
To Artifact [5502257c39]:
- File src/runtime/lookup-asm/lookup-asm-x86-win32.S — part of check-in [4491aefd93] at 2020-07-12 13:46:26 on branch tagged-pointers — lookup-asm-x86*-win*.S: Obfuscate tagged pointers (user: js, size: 1948) [annotate] [blame] [check-ins using] [more...]
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27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | .section .text .macro generate_lookup name not_found \name: mov edx, [esp+4] test edx, edx jz short ret_nil 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+ecx*4] #endif movzx ecx, byte ptr [eax+1] mov edx, [edx+ecx*4] movzx ecx, byte ptr [eax] mov eax, [edx+ecx*4] test eax, eax | > > > | > > > > | > > | > | 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 | .section .text .macro generate_lookup name not_found \name: mov edx, [esp+4] test edx, edx jz short ret_nil bt edx, 0 jc short .Ltagged_pointer_\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+ecx*4] #endif movzx ecx, byte ptr [eax+1] mov edx, [edx+ecx*4] movzx ecx, byte ptr [eax] mov eax, [edx+ecx*4] test eax, eax jz \not_found ret .Ltagged_pointer_\name: xor edx, _objc_tagged_pointer_secret and dl, 0xE movzx edx, dl mov edx, [_objc_tagged_pointer_classes+edx*2] mov edx, [edx+32] jmp short .Lmain_\name .endm .macro generate_lookup_super name lookup \name: mov edx, [esp+4] mov eax, [edx] test eax, eax |
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