79cc728b77
``` /// Symbols can be appended with "(.__uniq.xxxx)?.llvm.yyyy" where "xxxx" and /// "yyyy" are numbers that could change between builds. We need to use the root /// symbol name before this suffix so these symbols can be matched with profiles /// which may have different suffixes. ``` Just like what we are doing in BP, https://github.com/llvm/llvm-project/blob/main/lld/MachO/BPSectionOrderer.cpp#L127 the patch removes the suffixes when parsing the order file and getting the symbol priority to have a better symbol match. --------- Co-authored-by: Sharon Xu <sharonxu@fb.com> Co-authored-by: Ellis Hoag <ellis.sparky.hoag@gmail.com>
95 lines
2.0 KiB
ArmAsm
95 lines
2.0 KiB
ArmAsm
# RUN: rm -rf %t && split-file %s %t
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# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/a.s -o %t/a.o
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# RUN: %lld -arch arm64 -lSystem -e _main -o %t/a.out %t/a.o -order_file %t/ord-1
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# RUN: llvm-nm --numeric-sort --format=just-symbols %t/a.out | FileCheck %s
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#--- a.s
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.text
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.globl _main, A, _B, C.__uniq.111111111111111111111111111111111111111.llvm.2222222222222222222
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_main:
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ret
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A:
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ret
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F:
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add w0, w0, #3
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bl C.__uniq.111111111111111111111111111111111111111.llvm.2222222222222222222
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ret
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C.__uniq.111111111111111111111111111111111111111.llvm.2222222222222222222:
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add w0, w0, #2
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bl A
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ret
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D:
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add w0, w0, #2
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bl B
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ret
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B:
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add w0, w0, #1
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bl A
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ret
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E:
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add w0, w0, #2
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bl C.__uniq.111111111111111111111111111111111111111.llvm.2222222222222222222
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ret
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.section __DATA,__objc_const
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# test multiple symbols at the same address, which will be alphabetic sorted based symbol names
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_OBJC_$_CATEGORY_CLASS_METHODS_Foo_$_Cat2:
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.quad 789
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_OBJC_$_CATEGORY_SOME_$_FOLDED:
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_OBJC_$_CATEGORY_Foo_$_Cat1:
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_ALPHABETIC_SORT_FIRST:
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.quad 123
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_OBJC_$_CATEGORY_Foo_$_Cat2:
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.quad 222
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_OBJC_$_CATEGORY_INSTANCE_METHODS_Foo_$_Cat1:
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.quad 456
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.section __DATA,__objc_data
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_OBJC_CLASS_$_Foo:
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.quad 123
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_OBJC_CLASS_$_Bar.llvm.1234:
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.quad 456
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_OBJC_CLASS_$_Baz:
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.quad 789
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_OBJC_CLASS_$_Baz2:
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.quad 999
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.section __DATA,__objc_classrefs
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.quad _OBJC_CLASS_$_Foo
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.quad _OBJC_CLASS_$_Bar.llvm.1234
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.quad _OBJC_CLASS_$_Baz
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.subsections_via_symbols
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#--- ord-1
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# change order, parital covered
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A
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B
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C.__uniq.555555555555555555555555555555555555555.llvm.6666666666666666666
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_OBJC_CLASS_$_Baz
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_OBJC_CLASS_$_Bar.__uniq.12345
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_OBJC_CLASS_$_Foo.__uniq.123.llvm.123456789
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_OBJC_$_CATEGORY_INSTANCE_METHODS_Foo_$_Cat1
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_OBJC_$_CATEGORY_Foo_$_Cat1.llvm.1234567
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# .text
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# CHECK: A
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# CHECK: B
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# CHECK: C
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# .section __DATA,__objc_const
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# CHECK: _OBJC_$_CATEGORY_INSTANCE_METHODS_Foo_$_Cat1
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# CHECK: _OBJC_$_CATEGORY_Foo_$_Cat1
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# .section __DATA,__objc_data
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# CHECK: _OBJC_CLASS_$_Baz
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# CHECK: _OBJC_CLASS_$_Bar
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# CHECK: _OBJC_CLASS_$_Foo
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