Table-driven disassembler for the X86 architecture (16-, 32-, and 64-bit
incarnations), integrated into the MC framework.
The disassembler is table-driven, using a custom TableGen backend to
generate hierarchical tables optimized for fast decode. The disassembler
consumes MemoryObjects and produces arrays of MCInsts, adhering to the
abstract base class MCDisassembler (llvm/MC/MCDisassembler.h).
The disassembler is documented in detail in
- lib/Target/X86/Disassembler/X86Disassembler.cpp (disassembler runtime)
- utils/TableGen/DisassemblerEmitter.cpp (table emitter)
You can test the disassembler by running llvm-mc -disassemble for i386
or x86_64 targets. Please let me know if you encounter any problems
with it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91749 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 0152121..90d9083 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -38,6 +38,8 @@
}
}
+extern "C" void LLVMInitializeX86Disassembler();
+
extern "C" void LLVMInitializeX86Target() {
// Register the target.
RegisterTargetMachine<X86_32TargetMachine> X(TheX86_32Target);
@@ -47,6 +49,8 @@
RegisterAsmInfoFn A(TheX86_32Target, createMCAsmInfo);
RegisterAsmInfoFn B(TheX86_64Target, createMCAsmInfo);
+ LLVMInitializeX86Disassembler();
+
// Register the code emitter.
TargetRegistry::RegisterCodeEmitter(TheX86_32Target, createX86MCCodeEmitter);
TargetRegistry::RegisterCodeEmitter(TheX86_64Target, createX86MCCodeEmitter);