Overview
| Comment: | lookup-asm-x86-elf.S: Support tagged pointers |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | tagged-pointers |
| Files: | files | file ages | folders |
| SHA3-256: |
7f493d2446750873226aeebc7a664101 |
| User & Date: | js on 2020-06-30 00:29:47 |
| Other Links: | branch diff | manifest | tags |
Context
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2020-06-30
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| 20:52 | Merge trunk into branch "tagged-pointers" check-in: c4a12e3fa1 user: js tags: tagged-pointers | |
| 00:29 | lookup-asm-x86-elf.S: Support tagged pointers check-in: 7f493d2446 user: js tags: tagged-pointers | |
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2020-06-29
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| 23:24 | lookup-asm-x86_64-elf.S: Support tagged pointers check-in: 577564693c user: js tags: tagged-pointers | |
Changes
Modified src/runtime/lookup-asm/lookup-asm-x86-elf.S from [65ed1dc5ee] to [9f1f33cd94].
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29 30 31 32 33 34 35 36 37 38 39 40 41 42 | .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 | > > > | 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | .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 |
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55 56 57 58 59 60 61 62 63 64 65 66 67 68 | 0: call get_eip 1: add eax, offset _GLOBAL_OFFSET_TABLE_ mov eax, [eax+\not_found@GOT] jmp eax .type \name, %function .size \name, .-\name .endm .macro generate_lookup_super name lookup \name: mov edx, [esp+4] | > > > > > > > > > > > > > | 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 | 0: call get_eip 1: add eax, offset _GLOBAL_OFFSET_TABLE_ mov eax, [eax+\not_found@GOT] jmp eax .Ltagged_pointer_\name: movzx edx, dl shr edx, 1 call get_eip add eax, offset _GLOBAL_OFFSET_TABLE_ lea eax, [eax+objc_tagged_pointer_classes@GOTOFF] mov edx, [eax+edx*4] 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] |
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