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- //
- // KSDynamicLinker.h
- //
- // Created by Karl Stenerud on 2013-10-02.
- //
- // Copyright (c) 2012 Karl Stenerud. All rights reserved.
- //
- // Permission is hereby granted, free of charge, to any person obtaining a copy
- // of this software and associated documentation files (the "Software"), to deal
- // in the Software without restriction, including without limitation the rights
- // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- // copies of the Software, and to permit persons to whom the Software is
- // furnished to do so, subject to the following conditions:
- //
- // The above copyright notice and this permission notice shall remain in place
- // in this source code.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- // THE SOFTWARE.
- //
- #ifndef HDR_KSDynamicLinker_h
- #define HDR_KSDynamicLinker_h
- #ifdef __cplusplus
- extern "C" {
- #endif
- #include <dlfcn.h>
- #include <stdbool.h>
- #include <stdint.h>
- typedef struct
- {
- uint64_t address;
- uint64_t vmAddress;
- uint64_t size;
- const char* name;
- const uint8_t* uuid;
- int cpuType;
- int cpuSubType;
- uint64_t majorVersion;
- uint64_t minorVersion;
- uint64_t revisionVersion;
- const char* crashInfoMessage;
- const char* crashInfoMessage2;
- } KSBinaryImage;
- /** Get the number of loaded binary images.
- */
- int ksdl_imageCount(void);
- /** Get information about a binary image.
- *
- * @param index The binary index.
- *
- * @param buffer A structure to hold the information.
- *
- * @return True if the image was successfully queried.
- */
- bool ksdl_getBinaryImage(int index, KSBinaryImage* buffer);
- /** Get information about a binary image based on mach_header.
- *
- * @param header_ptr The pointer to mach_header of the image.
- *
- * @param image_name The name of the image.
- *
- * @param buffer A structure to hold the information.
- *
- * @return True if the image was successfully queried.
- */
- bool ksdl_getBinaryImageForHeader(const void* const header_ptr, const char* const image_name, KSBinaryImage* buffer);
- /** Find a loaded binary image with the specified name.
- *
- * @param imageName The image name to look for.
- *
- * @param exactMatch If true, look for an exact match instead of a partial one.
- *
- * @return the index of the matched image, or UINT32_MAX if not found.
- */
- uint32_t ksdl_imageNamed(const char* const imageName, bool exactMatch);
- /** Get the UUID of a loaded binary image with the specified name.
- *
- * @param imageName The image name to look for.
- *
- * @param exactMatch If true, look for an exact match instead of a partial one.
- *
- * @return A pointer to the binary (16 byte) UUID of the image, or NULL if it
- * wasn't found.
- */
- const uint8_t* ksdl_imageUUID(const char* const imageName, bool exactMatch);
- /** async-safe version of dladdr.
- *
- * This method searches the dynamic loader for information about any image
- * containing the specified address. It may not be entirely successful in
- * finding information, in which case any fields it could not find will be set
- * to NULL.
- *
- * Unlike dladdr(), this method does not make use of locks, and does not call
- * async-unsafe functions.
- *
- * @param address The address to search for.
- * @param info Gets filled out by this function.
- * @return true if at least some information was found.
- */
- bool ksdl_dladdr(const uintptr_t address, Dl_info* const info);
- #ifdef __cplusplus
- }
- #endif
- #endif // HDR_KSDynamicLinker_h
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