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Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/common/mac/macho_walker.h')
-rw-r--r-- | toolkit/crashreporter/google-breakpad/src/common/mac/macho_walker.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/common/mac/macho_walker.h b/toolkit/crashreporter/google-breakpad/src/common/mac/macho_walker.h deleted file mode 100644 index dd535814a..000000000 --- a/toolkit/crashreporter/google-breakpad/src/common/mac/macho_walker.h +++ /dev/null @@ -1,119 +0,0 @@ -// Copyright (c) 2006, 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. - -// macho_walker.h: Iterate over the load commands in a mach-o file -// -// Author: Dan Waylonis - -#ifndef COMMON_MAC_MACHO_WALKER_H__ -#define COMMON_MAC_MACHO_WALKER_H__ - -#include <mach/machine.h> -#include <mach-o/loader.h> -#include <sys/types.h> - -namespace MacFileUtilities { - -class MachoWalker { - public: - // A callback function executed when a new load command is read. If no - // further processing of load commands is desired, return false. Otherwise, - // return true. - // |cmd| is the current command, and |offset| is the location relative to the - // beginning of the file (not header) where the command was read. If |swap| - // is set, then any command data (other than the returned load_command) should - // be swapped when read - typedef bool (*LoadCommandCallback)(MachoWalker *walker, load_command *cmd, - off_t offset, bool swap, void *context); - - MachoWalker(const char *path, LoadCommandCallback callback, void *context); - MachoWalker(void *memory, size_t size, LoadCommandCallback callback, - void *context); - ~MachoWalker(); - - // Begin walking the header for |cpu_type| and |cpu_subtype|. If |cpu_type| - // is 0, then the native cpu type is used. Otherwise, accepted values are - // listed in /usr/include/mach/machine.h (e.g., CPU_TYPE_X86 or - // CPU_TYPE_POWERPC). If |cpu_subtype| is CPU_SUBTYPE_MULTIPLE, the match is - // only done on |cpu_type|. - // Returns false if opening the file failed or if the |cpu_type|/|cpu_subtype| - // is not present in the file. - bool WalkHeader(cpu_type_t cpu_type, cpu_subtype_t cpu_subtype); - - // Read |size| bytes from the opened file at |offset| into |buffer| - bool ReadBytes(void *buffer, size_t size, off_t offset); - - // Return the current header and header offset - bool CurrentHeader(struct mach_header_64 *header, off_t *offset); - - private: - // Locate (if any) the header offset for |cpu_type| and return in |offset|. - // Return true if found, false otherwise. - bool FindHeader(cpu_type_t cpu_type, - cpu_subtype_t cpu_subtype, - off_t &offset); - - // Process an individual header starting at |offset| from the start of the - // file. Return true if successful, false otherwise. - bool WalkHeaderAtOffset(off_t offset); - bool WalkHeader64AtOffset(off_t offset); - - // Bottleneck for walking the load commands - bool WalkHeaderCore(off_t offset, uint32_t number_of_commands, bool swap); - - // File descriptor to the opened file - int file_; - - // Memory location to read from. - void *memory_; - - // Size of the memory segment we can read from. - size_t memory_size_; - - // User specified callback & context - LoadCommandCallback callback_; - void *callback_context_; - - // Current header, size, and offset. The mach_header_64 is used for both - // 32-bit and 64-bit headers because they only differ in their last field - // (reserved). By adding the |current_header_size_| and the - // |current_header_offset_|, you can determine the offset in the file just - // after the header. - struct mach_header_64 *current_header_; - unsigned long current_header_size_; - off_t current_header_offset_; - - private: - MachoWalker(const MachoWalker &); - MachoWalker &operator=(const MachoWalker &); -}; - -} // namespace MacFileUtilities - -#endif // COMMON_MAC_MACHO_WALKER_H__ |