diff options
Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/common/dwarf/dwarf2diehandler.cc')
| -rw-r--r-- | toolkit/crashreporter/google-breakpad/src/common/dwarf/dwarf2diehandler.cc | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/common/dwarf/dwarf2diehandler.cc b/toolkit/crashreporter/google-breakpad/src/common/dwarf/dwarf2diehandler.cc deleted file mode 100644 index 94542b5ea..000000000 --- a/toolkit/crashreporter/google-breakpad/src/common/dwarf/dwarf2diehandler.cc +++ /dev/null @@ -1,199 +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. - -// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com> - -// dwarf2diehandler.cc: Implement the dwarf2reader::DieDispatcher class. -// See dwarf2diehandler.h for details. - -#include <assert.h> -#include <stdint.h> - -#include <string> - -#include "common/dwarf/dwarf2diehandler.h" -#include "common/using_std_string.h" - -namespace dwarf2reader { - -DIEDispatcher::~DIEDispatcher() { - while (!die_handlers_.empty()) { - HandlerStack &entry = die_handlers_.top(); - if (entry.handler_ != root_handler_) - delete entry.handler_; - die_handlers_.pop(); - } -} - -bool DIEDispatcher::StartCompilationUnit(uint64 offset, uint8 address_size, - uint8 offset_size, uint64 cu_length, - uint8 dwarf_version) { - return root_handler_->StartCompilationUnit(offset, address_size, - offset_size, cu_length, - dwarf_version); -} - -bool DIEDispatcher::StartDIE(uint64 offset, enum DwarfTag tag) { - // The stack entry for the parent of this DIE, if there is one. - HandlerStack *parent = die_handlers_.empty() ? NULL : &die_handlers_.top(); - - // Does this call indicate that we're done receiving the parent's - // attributes' values? If so, call its EndAttributes member function. - if (parent && parent->handler_ && !parent->reported_attributes_end_) { - parent->reported_attributes_end_ = true; - if (!parent->handler_->EndAttributes()) { - // Finish off this handler now. and edit *PARENT to indicate that - // we don't want to visit any of the children. - parent->handler_->Finish(); - if (parent->handler_ != root_handler_) - delete parent->handler_; - parent->handler_ = NULL; - return false; - } - } - - // Find a handler for this DIE. - DIEHandler *handler; - if (parent) { - if (parent->handler_) - // Ask the parent to find a handler. - handler = parent->handler_->FindChildHandler(offset, tag); - else - // No parent handler means we're not interested in any of our - // children. - handler = NULL; - } else { - // This is the root DIE. For a non-root DIE, the parent's handler - // decides whether to visit it, but the root DIE has no parent - // handler, so we have a special method on the root DIE handler - // itself to decide. - if (root_handler_->StartRootDIE(offset, tag)) - handler = root_handler_; - else - handler = NULL; - } - - // Push a handler stack entry for this new handler. As an - // optimization, we don't push NULL-handler entries on top of other - // NULL-handler entries; we just let the oldest such entry stand for - // the whole subtree. - if (handler || !parent || parent->handler_) { - HandlerStack entry; - entry.offset_ = offset; - entry.handler_ = handler; - entry.reported_attributes_end_ = false; - die_handlers_.push(entry); - } - - return handler != NULL; -} - -void DIEDispatcher::EndDIE(uint64 offset) { - assert(!die_handlers_.empty()); - HandlerStack *entry = &die_handlers_.top(); - if (entry->handler_) { - // This entry had better be the handler for this DIE. - assert(entry->offset_ == offset); - // If a DIE has no children, this EndDIE call indicates that we're - // done receiving its attributes' values. - if (!entry->reported_attributes_end_) - entry->handler_->EndAttributes(); // Ignore return value: no children. - entry->handler_->Finish(); - if (entry->handler_ != root_handler_) - delete entry->handler_; - } else { - // If this DIE is within a tree we're ignoring, then don't pop the - // handler stack: that entry stands for the whole tree. - if (entry->offset_ != offset) - return; - } - die_handlers_.pop(); -} - -void DIEDispatcher::ProcessAttributeUnsigned(uint64 offset, - enum DwarfAttribute attr, - enum DwarfForm form, - uint64 data) { - HandlerStack ¤t = die_handlers_.top(); - // This had better be an attribute of the DIE we were meant to handle. - assert(offset == current.offset_); - current.handler_->ProcessAttributeUnsigned(attr, form, data); -} - -void DIEDispatcher::ProcessAttributeSigned(uint64 offset, - enum DwarfAttribute attr, - enum DwarfForm form, - int64 data) { - HandlerStack ¤t = die_handlers_.top(); - // This had better be an attribute of the DIE we were meant to handle. - assert(offset == current.offset_); - current.handler_->ProcessAttributeSigned(attr, form, data); -} - -void DIEDispatcher::ProcessAttributeReference(uint64 offset, - enum DwarfAttribute attr, - enum DwarfForm form, - uint64 data) { - HandlerStack ¤t = die_handlers_.top(); - // This had better be an attribute of the DIE we were meant to handle. - assert(offset == current.offset_); - current.handler_->ProcessAttributeReference(attr, form, data); -} - -void DIEDispatcher::ProcessAttributeBuffer(uint64 offset, - enum DwarfAttribute attr, - enum DwarfForm form, - const uint8_t *data, - uint64 len) { - HandlerStack ¤t = die_handlers_.top(); - // This had better be an attribute of the DIE we were meant to handle. - assert(offset == current.offset_); - current.handler_->ProcessAttributeBuffer(attr, form, data, len); -} - -void DIEDispatcher::ProcessAttributeString(uint64 offset, - enum DwarfAttribute attr, - enum DwarfForm form, - const string& data) { - HandlerStack ¤t = die_handlers_.top(); - // This had better be an attribute of the DIE we were meant to handle. - assert(offset == current.offset_); - current.handler_->ProcessAttributeString(attr, form, data); -} - -void DIEDispatcher::ProcessAttributeSignature(uint64 offset, - enum DwarfAttribute attr, - enum DwarfForm form, - uint64 signature) { - HandlerStack ¤t = die_handlers_.top(); - // This had better be an attribute of the DIE we were meant to handle. - assert(offset == current.offset_); - current.handler_->ProcessAttributeSignature(attr, form, signature); -} - -} // namespace dwarf2reader |