Overview
| Comment: | Use `bti c` instead of `bti jc`
The `j` isn't necessary, as tail call eliminations can just use x16/x17, |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | 1.0 |
| Files: | files | file ages | folders |
| SHA3-256: |
21244a7e6291184a1ebc69033682fc99 |
| User & Date: | js on 2024-02-24 22:30:47 |
| Other Links: | branch diff | manifest | tags |
Context
|
2024-02-25
| ||
| 21:19 | OFLHAArchiveEntry: Create more compatible archives check-in: 431696dee5 user: js tags: 1.0 | |
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2024-02-24
| ||
| 22:30 | Use `bti c` instead of `bti jc` check-in: 21244a7e62 user: js tags: 1.0 | |
| 22:30 | Use `bti c` instead of `bti jc` check-in: ddb7ebcf5b user: js tags: trunk | |
| 21:15 | Set version to 1.0.10 check-in: 8f026dba58 user: js tags: 1.0, 1.0.10-release | |
Changes
Modified configure.ac from [5e8a507046] to [c0c6842cf8].
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844 845 846 847 848 849 850 | AC_MSG_RESULT(no) ]) ;; aarch64* | arm64*) AC_MSG_CHECKING(for bti) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([], [ | | | 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 |
AC_MSG_RESULT(no)
])
;;
aarch64* | arm64*)
AC_MSG_CHECKING(for bti)
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([], [
__asm__ __volatile__ ("bti c");
])
], [
AC_DEFINE(HAVE_BTI, 1, [Whether we have bti])
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
])
|
| ︙ | ︙ |
Modified src/forwarding/apple-forwarding-arm64.S from [ff5af9e7d0] to [eb3a920f88].
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30 31 32 33 34 35 36 | .long 0, 0 .section __TEXT, __text, regular, pure_instructions .align 2 _OFForward: _OFForward_stret: #ifdef HAVE_BTI | | | 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | .long 0, 0 .section __TEXT, __text, regular, pure_instructions .align 2 _OFForward: _OFForward_stret: #ifdef HAVE_BTI bti c #endif stp fp, lr, [sp, #-208]! mov fp, sp sub sp, sp, #208 /* Save all arguments, x8 and x19 */ |
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Modified src/forwarding/forwarding-arm64-elf.S from [d964627f1b] to [09fe8e02cc].
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20 21 22 23 24 25 26 | .globl OFForward .globl OFForward_stret .section .text OFForward: OFForward_stret: #ifdef HAVE_BTI | | | 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | .globl OFForward .globl OFForward_stret .section .text OFForward: OFForward_stret: #ifdef HAVE_BTI bti c #endif stp fp, lr, [sp, #-208]! mov fp, sp sub sp, sp, #208 /* Save all arguments, x8 and x19 */ |
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Modified src/runtime/lookup-asm/lookup-asm-arm64-elf.S from [bed2f1a908] to [3e4b869d59].
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22 23 24 25 26 27 28 | .globl objc_msg_lookup_super .globl objc_msg_lookup_super_stret .section .text .macro GENERATE_LOOKUP name notFound \name: #ifdef HAVE_BTI | | | 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | .globl objc_msg_lookup_super .globl objc_msg_lookup_super_stret .section .text .macro GENERATE_LOOKUP name notFound \name: #ifdef HAVE_BTI bti c #endif cbz x0, returnNilMethod tst x0, #1 b.ne .LtaggedPointer_\name |
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69 70 71 72 73 74 75 | .type \name, %function .size \name, .-\name .endm .macro GENERATE_LOOKUP_SUPER name lookup \name: #ifdef HAVE_BTI | | | 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | .type \name, %function .size \name, .-\name .endm .macro GENERATE_LOOKUP_SUPER name lookup \name: #ifdef HAVE_BTI bti c #endif mov x2, x0 ldr x0, [x0] cbz x0, returnNilMethod ldr x2, [x2, #8] |
| ︙ | ︙ |