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Implements LLVM based disassembler for the debugger.

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This will work for all of our platforms, x86, ARMv7, and AArch64.
Main issue with this is that LLVM's cmake files aren't correctly finding the LLVM install.
Not sure if this is Ubuntu's issue or not, it may just work on other operating systems.

We could potentially improve this, you can pass in a specific CPU in to the LLVM disassembler. This would probably affect latency times that are
reported by LLVM's disassembly? This needs to be further investigated later.
This commit is contained in:
Ryan Houdek
2014-10-21 05:56:01 -05:00
parent 3ab921d5b0
commit cb10bef9a4
5 changed files with 111 additions and 3 deletions
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22
CMakeTests/FindLLVM.cmake Normal file
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# This file only exists because LLVM's cmake files are broken.
# This affects both LLVM 3.4 and 3.5.
# Hopefully when they fix their cmake system we don't need this garbage.
list(APPEND LLVM_CONFIG_EXECUTABLES "llvm-config")
list(APPEND LLVM_CONFIG_EXECUTABLES "llvm-config-3.5")
list(APPEND LLVM_CONFIG_EXECUTABLES "llvm-config-3.4")
foreach(LLVM_CONFIG_NAME ${LLVM_CONFIG_EXECUTABLES})
find_program(LLVM_CONFIG_EXE NAMES ${LLVM_CONFIG_NAME})
if (LLVM_CONFIG_EXE)
set(LLVM_FOUND 1)
execute_process(COMMAND ${LLVM_CONFIG_EXE} --includedir --prefix OUTPUT_VARIABLE LLVM_INCLUDE_DIRS
OUTPUT_STRIP_TRAILING_WHITESPACE )
execute_process(COMMAND ${LLVM_CONFIG_EXE} --ldflags --prefix OUTPUT_VARIABLE LLVM_DEFINITIONS
OUTPUT_STRIP_TRAILING_WHITESPACE )
execute_process(COMMAND ${LLVM_CONFIG_EXE} --libs Core --prefix OUTPUT_VARIABLE LLVM_LIBRARIES
OUTPUT_STRIP_TRAILING_WHITESPACE )
execute_process(COMMAND ${LLVM_CONFIG_EXE} --version --prefix OUTPUT_VARIABLE LLVM_PACKAGE_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE )
break()
endif()
endforeach()