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-rw-r--r--toolkit/crashreporter/google-breakpad/src/common/dwarf/functioninfo.cc231
1 files changed, 0 insertions, 231 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/common/dwarf/functioninfo.cc b/toolkit/crashreporter/google-breakpad/src/common/dwarf/functioninfo.cc
deleted file mode 100644
index 55a255eda..000000000
--- a/toolkit/crashreporter/google-breakpad/src/common/dwarf/functioninfo.cc
+++ /dev/null
@@ -1,231 +0,0 @@
-// Copyright (c) 2010 Google Inc. All Rights Reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// This is a client for the dwarf2reader to extract function and line
-// information from the debug info.
-
-#include <assert.h>
-#include <limits.h>
-#include <stdio.h>
-
-#include <map>
-#include <queue>
-#include <vector>
-
-#include "common/dwarf/functioninfo.h"
-#include "common/dwarf/bytereader.h"
-#include "common/scoped_ptr.h"
-#include "common/using_std_string.h"
-
-using google_breakpad::scoped_ptr;
-
-namespace dwarf2reader {
-
-CULineInfoHandler::CULineInfoHandler(std::vector<SourceFileInfo>* files,
- std::vector<string>* dirs,
- LineMap* linemap):linemap_(linemap),
- files_(files),
- dirs_(dirs) {
- // The dirs and files are 1 indexed, so just make sure we put
- // nothing in the 0 vector.
- assert(dirs->size() == 0);
- assert(files->size() == 0);
- dirs->push_back("");
- SourceFileInfo s;
- s.name = "";
- s.lowpc = ULLONG_MAX;
- files->push_back(s);
-}
-
-void CULineInfoHandler::DefineDir(const string& name, uint32 dir_num) {
- // These should never come out of order, actually
- assert(dir_num == dirs_->size());
- dirs_->push_back(name);
-}
-
-void CULineInfoHandler::DefineFile(const string& name,
- int32 file_num, uint32 dir_num,
- uint64 mod_time, uint64 length) {
- assert(dir_num >= 0);
- assert(dir_num < dirs_->size());
-
- // These should never come out of order, actually.
- if (file_num == (int32)files_->size() || file_num == -1) {
- string dir = dirs_->at(dir_num);
-
- SourceFileInfo s;
- s.lowpc = ULLONG_MAX;
-
- if (dir == "") {
- s.name = name;
- } else {
- s.name = dir + "/" + name;
- }
-
- files_->push_back(s);
- } else {
- fprintf(stderr, "error in DefineFile");
- }
-}
-
-void CULineInfoHandler::AddLine(uint64 address, uint64 length, uint32 file_num,
- uint32 line_num, uint32 column_num) {
- if (file_num < files_->size()) {
- linemap_->insert(
- std::make_pair(address,
- std::make_pair(files_->at(file_num).name.c_str(),
- line_num)));
-
- if (address < files_->at(file_num).lowpc) {
- files_->at(file_num).lowpc = address;
- }
- } else {
- fprintf(stderr, "error in AddLine");
- }
-}
-
-bool CUFunctionInfoHandler::StartCompilationUnit(uint64 offset,
- uint8 address_size,
- uint8 offset_size,
- uint64 cu_length,
- uint8 dwarf_version) {
- current_compilation_unit_offset_ = offset;
- return true;
-}
-
-
-// For function info, we only care about subprograms and inlined
-// subroutines. For line info, the DW_AT_stmt_list lives in the
-// compile unit tag.
-
-bool CUFunctionInfoHandler::StartDIE(uint64 offset, enum DwarfTag tag) {
- switch (tag) {
- case DW_TAG_subprogram:
- case DW_TAG_inlined_subroutine: {
- current_function_info_ = new FunctionInfo;
- current_function_info_->lowpc = current_function_info_->highpc = 0;
- current_function_info_->name = "";
- current_function_info_->line = 0;
- current_function_info_->file = "";
- offset_to_funcinfo_->insert(std::make_pair(offset,
- current_function_info_));
- };
- // FALLTHROUGH
- case DW_TAG_compile_unit:
- return true;
- default:
- return false;
- }
- return false;
-}
-
-// Only care about the name attribute for functions
-
-void CUFunctionInfoHandler::ProcessAttributeString(uint64 offset,
- enum DwarfAttribute attr,
- enum DwarfForm form,
- const string &data) {
- if (current_function_info_) {
- if (attr == DW_AT_name)
- current_function_info_->name = data;
- else if (attr == DW_AT_MIPS_linkage_name)
- current_function_info_->mangled_name = data;
- }
-}
-
-void CUFunctionInfoHandler::ProcessAttributeUnsigned(uint64 offset,
- enum DwarfAttribute attr,
- enum DwarfForm form,
- uint64 data) {
- if (attr == DW_AT_stmt_list) {
- SectionMap::const_iterator iter = sections_.find("__debug_line");
- assert(iter != sections_.end());
-
- scoped_ptr<LineInfo> lireader(new LineInfo(iter->second.first + data,
- iter->second.second - data,
- reader_, linehandler_));
- lireader->Start();
- } else if (current_function_info_) {
- switch (attr) {
- case DW_AT_low_pc:
- current_function_info_->lowpc = data;
- break;
- case DW_AT_high_pc:
- current_function_info_->highpc = data;
- break;
- case DW_AT_decl_line:
- current_function_info_->line = data;
- break;
- case DW_AT_decl_file:
- current_function_info_->file = files_->at(data).name;
- break;
- default:
- break;
- }
- }
-}
-
-void CUFunctionInfoHandler::ProcessAttributeReference(uint64 offset,
- enum DwarfAttribute attr,
- enum DwarfForm form,
- uint64 data) {
- if (current_function_info_) {
- switch (attr) {
- case DW_AT_specification: {
- // Some functions have a "specification" attribute
- // which means they were defined elsewhere. The name
- // attribute is not repeated, and must be taken from
- // the specification DIE. Here we'll assume that
- // any DIE referenced in this manner will already have
- // been seen, but that's not really required by the spec.
- FunctionMap::iterator iter = offset_to_funcinfo_->find(data);
- if (iter != offset_to_funcinfo_->end()) {
- current_function_info_->name = iter->second->name;
- current_function_info_->mangled_name = iter->second->mangled_name;
- } else {
- // If you hit this, this code probably needs to be rewritten.
- fprintf(stderr,
- "Error: DW_AT_specification was seen before the referenced "
- "DIE! (Looking for DIE at offset %08llx, in DIE at "
- "offset %08llx)\n", data, offset);
- }
- break;
- }
- default:
- break;
- }
- }
-}
-
-void CUFunctionInfoHandler::EndDIE(uint64 offset) {
- if (current_function_info_ && current_function_info_->lowpc)
- address_to_funcinfo_->insert(std::make_pair(current_function_info_->lowpc,
- current_function_info_));
-}
-
-} // namespace dwarf2reader
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 16:05:36 +0000