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a3e3cecf73
Prior to this change the clang interface stubs format resembled
something ending with a symbol list like this:
Symbols:
a: { Type: Func }
This was problematic because we didn't actually want a map format and
also because we didn't like that an empty symbol list required
"Symbols: {}". That is to say without the empty {} llvm-ifs would crash
on an empty list.
With this new format it is much more clear which field is the symbol
name, and instead the [] that is used to express an empty symbol vector
is optional, ie:
Symbols:
- { Name: a, Type: Func }
or
Symbols: []
or
Symbols:
This further diverges the format from existing llvm-elftapi. This is a
good thing because although the format originally came from the same
place, they are not the same in any way.
Differential Revision: https://reviews.llvm.org/D76979
35 lines
1.3 KiB
Plaintext
35 lines
1.3 KiB
Plaintext
# RUN: llvm-ifs -action write-ifs -o - %s %S/func.ifs %S/object.ifs %S/weak.ifs | \
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# RUN: FileCheck %s --check-prefixes=CHECK-IFS
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# RUN: llvm-ifs -action write-bin -o - %s %S/func.ifs %S/object.ifs %S/weak.ifs | \
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# RUN: llvm-readelf --all | FileCheck %s --check-prefixes=CHECK-ELF
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# CHECK-IFS: --- !experimental-ifs-v2
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# CHECK-IFS-NEXT: IfsVersion: 2.0
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# CHECK-IFS-NEXT: Triple: x86_64-unknown-linux-gnu
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# CHECK-IFS-NEXT: ObjectFileFormat: ELF
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# CHECK-IFS-NEXT: Symbols:
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# CHECK-IFS-DAG: - { Name: e, Type: Object, Size: 8 }
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# CHECK-IFS-DAG: - { Name: a, Type: Func }
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# CHECK-IFS-DAG: - { Name: f, Type: Object, Size: 2 }
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# CHECK-IFS-DAG: - { Name: _Z10strongFuncv, Type: Func }
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# CHECK-IFS-DAG: - { Name: _Z8weakFuncv, Type: Func, Weak: true }
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# CHECK-IFS-DAG: - { Name: b, Type: Object, Size: 4 }
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# CHECK-IFS: ...
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# CHECK-ELF: FUNC GLOBAL DEFAULT 1 _Z10strongFuncv
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# CHECK-ELF: FUNC WEAK DEFAULT 1 _Z8weakFuncv
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# CHECK-ELF: FUNC GLOBAL DEFAULT 1 a
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# CHECK-ELF: OBJECT GLOBAL DEFAULT 1 b
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# CHECK-ELF: OBJECT GLOBAL DEFAULT 1 e
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# CHECK-ELF: OBJECT GLOBAL DEFAULT 1 f
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--- !experimental-ifs-v2
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IfsVersion: 2.0
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Triple: x86_64-unknown-linux-gnu
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ObjectFileFormat: ELF
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Symbols:
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- { Name: e, Type: Object, Size: 8 }
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- { Name: f, Type: Object, Size: 2 }
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...
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