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Adding back support for printing operands symbolically to ARM's new disassembler

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using llvm's public 'C' disassembler API now including annotations.

Hooked this up to Darwin's otool(1) so it can again print things like branch
targets for example this:
 blx _puts
instead of this:
 blx #-36
and includes support for annotations for branches to symbol stubs like:
 bl	0x40 @ symbol stub for: _puts
and annotations for pc relative loads like this:
 ldr	r3, #8 @ literal pool for: Hello, world!
Also again can print the expression encoded in the Mach-O relocation entries for
things like this:
 movt r0, :upper16:((_foo-_bar)+1234)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141129 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kevin Enderby
2011-10-04 22:44:48 +00:00
parent a8512edb6d
commit 9e5887b17e
8 changed files with 272 additions and 12 deletions
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2
lib/MC/MCDisassembler/Disassembler.cpp
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@ -68,7 +68,7 @@ LLVMDisasmContextRef LLVMCreateDisasm(const char *TripleName, void *DisInfo,
// Set up disassembler.
MCDisassembler *DisAsm = TheTarget->createMCDisassembler(*STI);
assert(DisAsm && "Unable to create disassembler!");
DisAsm->setupForSymbolicDisassembly(GetOpInfo, DisInfo, Ctx);
DisAsm->setupForSymbolicDisassembly(GetOpInfo, SymbolLookUp, DisInfo, Ctx);
// Set up the instruction printer.
int AsmPrinterVariant = MAI->getAssemblerDialect();