iposva@google.com
52a736ee38
Review URL: https://codereview.chromium.org//23903034 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@27346 260f80e4-7a28-3924-810f-c04153c831b5
77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/disassembler.h"
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#include "vm/assembler.h"
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#include "vm/globals.h"
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#include "vm/os.h"
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#include "vm/json_stream.h"
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namespace dart {
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void DisassembleToStdout::ConsumeInstruction(char* hex_buffer,
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intptr_t hex_size,
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char* human_buffer,
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intptr_t human_size,
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uword pc) {
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static const int kHexColumnWidth = 23;
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uint8_t* pc_ptr = reinterpret_cast<uint8_t*>(pc);
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OS::Print("%p %s", pc_ptr, hex_buffer);
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int hex_length = strlen(hex_buffer);
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if (hex_length < kHexColumnWidth) {
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for (int i = kHexColumnWidth - hex_length; i > 0; i--) {
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OS::Print(" ");
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}
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}
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OS::Print("%s", human_buffer);
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OS::Print("\n");
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}
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void DisassembleToStdout::Print(const char* format, ...) {
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va_list args;
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va_start(args, format);
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OS::VFPrint(stdout, format, args);
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va_end(args);
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}
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void DisassembleToJSONStream::ConsumeInstruction(char* hex_buffer,
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intptr_t hex_size,
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char* human_buffer,
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intptr_t human_size,
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uword pc) {
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uint8_t* pc_ptr = reinterpret_cast<uint8_t*>(pc);
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JSONObject jsobj(&jsarr_);
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jsobj.AddProperty("type", "DisassembledInstruction");
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jsobj.AddPropertyF("pc", "%p", pc_ptr);
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jsobj.AddProperty("hex", hex_buffer);
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jsobj.AddProperty("human", human_buffer);
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}
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void DisassembleToJSONStream::Print(const char* format, ...) {
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va_list args;
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va_start(args, format);
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intptr_t len = OS::VSNPrint(NULL, 0, format, args);
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va_end(args);
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char* p = reinterpret_cast<char*>(malloc(len+1));
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va_start(args, format);
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intptr_t len2 = OS::VSNPrint(p, len, format, args);
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va_end(args);
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ASSERT(len == len2);
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for (intptr_t i = 0; i < len; i++) {
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if (p[i] == '\n' || p[i] == '\r') {
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p[i] = ' ';
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}
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}
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JSONObject jsobj(&jsarr_);
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jsobj.AddProperty("type", "DisassembledInstructionComment");
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jsobj.AddProperty("comment", p);
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free(p);
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}
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} // namespace dart
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