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d719c50655
This tool merges interface stub files to produce a merged interface stub file
or a stub library. Currently it for stub library generation it can produce an
ELF .so stub file, or a TBD file (experimental). It will be used by the clang
-emit-interface-stubs compilation pipeline to merge and assemble the per-CU
stub files into a stub library.
The new IFS format is as follows:
--- !experimental-ifs-v1
IfsVersion: 1.0
Triple: <llvm triple>
ObjectFileFormat: <ELF | TBD>
Symbols:
_ZSymbolName: { Type: <type>, etc... }
...
Differential Revision: https://reviews.llvm.org/D66405
llvm-svn: 370499
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-v1
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# CHECK-IFS-NEXT: IfsVersion: 1.0
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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: e: { Type: Object, Size: 8 }
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# CHECK-IFS-DAG: a: { Type: Func }
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# CHECK-IFS-DAG: f: { Type: Object, Size: 2 }
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# CHECK-IFS-DAG: _Z10strongFuncv: { Type: Func }
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# CHECK-IFS-DAG: _Z8weakFuncv: { Type: Func, Weak: true }
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# CHECK-IFS-DAG: 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-v1
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IfsVersion: 1.0
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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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e: { Type: Object, Size: 8 }
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f: { Type: Object, Size: 2 }
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...
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