//
// 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 is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
-#include "llvm/Config/config.h"
#include "llvm/Support/Disassembler.h"
-
+#include "llvm/Config/config.h"
#include <cassert>
#include <iomanip>
-#include <string>
#include <sstream>
+#include <string>
#if USE_UDIS86
#include <udis86.h>
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";
- }
+bool llvm::sys::hasDisassembler()
+{
+#if defined (__i386__) || defined (__amd64__) || defined (__x86_64__)
+ // We have option to enable udis86 library.
+# if USE_UDIS86
+ return true;
+#else
+ return false;
#endif
+#else
+ return false;
+#endif
+}
+
+std::string llvm::sys::disassembleBuffer(uint8_t* start, size_t length,
+ uint64_t pc) {
+#if (defined (__i386__) || defined (__amd64__) || defined (__x86_64__)) \
+ && USE_UDIS86
+ std::stringstream res;
+
+ unsigned bits;
+# if defined(__i386__)
+ bits = 32;
+# else
+ bits = 64;
+# endif
+
+ ud_t ud_obj;
+
+ ud_init(&ud_obj);
+ ud_set_input_buffer(&ud_obj, start, length);
+ ud_set_mode(&ud_obj, bits);
+ ud_set_pc(&ud_obj, pc);
+ ud_set_syntax(&ud_obj, UD_SYN_ATT);
+
+ res << std::setbase(16)
+ << std::setw(bits/4);
+
+ while (ud_disassemble(&ud_obj)) {
+ res << ud_insn_off(&ud_obj) << ":\t" << ud_insn_asm(&ud_obj) << "\n";
}
return res.str();
+#else
+ return "No disassembler available. See configure help for options.\n";
+#endif
}