Changes in directory llvm/lib/Support:
Disassembler.cpp added (r1.1)
---
Log message:
Adding disassembler interface and external hook to udis86 library.
---
Diffs of the changes: (+53 -0)
Disassembler.cpp | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 53 insertions(+)
Index: llvm/lib/Support/Disassembler.cpp
diff -c /dev/null llvm/lib/Support/Disassembler.cpp:1.1
*** /dev/null Fri Jan 19 11:25:27 2007
--- llvm/lib/Support/Disassembler.cpp Fri Jan 19 11:25:17 2007
***************
*** 0 ****
--- 1,53 ----
+ //===- lib/Support/Disassembler.cpp -----------------------------*- C++
-*-===//
+ //
+ // The LLVM Compiler Infrastructure
+ //
+ // This file was developed by Anton Korobeynikov and is distributed under the
+ // University of Illinois Open Source License. See LICENSE.TXT for details.
+ //
+
//===----------------------------------------------------------------------===//
+ //
+ // This file implements the necessary glue to call external disassembler
+ // libraries.
+ //
+
//===----------------------------------------------------------------------===//
+
+ #include "llvm/Config/config.h"
+ #include "llvm/Support/Disassembler.h"
+
+ #include <cassert>
+ #include <iomanip>
+ #include <string>
+ #include <sstream>
+
+ #if USE_UDIS86
+ #include <udis86.h>
+ #endif
+
+ using namespace llvm;
+
+ std::string llvm::disassembleBuffer(uint8_t* start, size_t length,
+ Disassembler::Type type, uint64_t pc) {
+ std::stringstream res;
+
+ if (type == Disassembler::X86_32 || type == Disassembler::X86_64) {
+ #if USE_UDIS86
+ ud_t ud_obj;
+
+ ud_init(&ud_obj);
+ ud_set_input_buffer(&ud_obj, start, length);
+ ud_set_mode(&ud_obj, (type == Disassembler::X86_32 ? 32 : 64));
+ ud_set_pc(&ud_obj, pc);
+ ud_set_syntax(&ud_obj, UD_SYN_ATT);
+
+ res << std::setbase(16)
+ << std::setw((type == Disassembler::X86_32 ? 8 : 16));
+
+ while (ud_disassemble(&ud_obj)) {
+ res << ud_insn_off(&ud_obj) << ":\t" << ud_insn_asm(&ud_obj) << "\n";
+ }
+ #endif
+ }
+
+ return res.str();
+ }
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