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c91cd5f47b
Summary: This change implements the instrumentation map loading library which can understand both YAML-defined instrumentation maps, and ELF 64-bit object files that have the XRay instrumentation map section. We break it out into a library on its own to allow for other applications to deal with the XRay instrumentation map defined in XRay-instrumented binaries. This type provides both raw access to the logical representation of the instrumentation map entries as well as higher level functions for converting a function ID into a function address. At this point we only support ELF64 binaries and YAML-defined XRay instrumentation maps. Future changes should extend this to support 32-bit ELF binaries, as well as other binary formats (like MachO). As part of this change we also migrate all uses of the extraction logic that used to be defined in tools/llvm-xray/ to use this new type and interface for loading from files. We also remove the flag from the `llvm-xray` tool that required users to specify the type of the instrumentation map file being provided to instead make the library auto-detect the file type. Reviewers: dblaikie Subscribers: mgorny, varno, llvm-commits Differential Revision: https://reviews.llvm.org/D29319 llvm-svn: 293721
17 lines
244 B
CMake
17 lines
244 B
CMake
add_llvm_library(LLVMXRay
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InstrumentationMap.cpp
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Trace.cpp
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ADDITIONAL_HEADER_DIRS
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${LLVM_MAIN_INCLUDE_DIR}/llvm/ADT
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${LLVM_MAIN_INCLUDE_DIR}/llvm/XRay
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DEPENDS
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LLVMSupport
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LLVMObject
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LINK_LIBS
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LLVMSupport
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LLVMObject
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)
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