111 lines
4.0 KiB
C
111 lines
4.0 KiB
C
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// Copyright 2019 Google
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <mach-o/arch.h>
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#include <mach-o/loader.h>
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#include <sys/types.h>
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#include <CoreFoundation/CoreFoundation.h>
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struct FIRCLSMachOFile {
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int fd;
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size_t mappedSize;
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void* mappedFile;
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};
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typedef struct FIRCLSMachOFile* FIRCLSMachOFileRef;
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struct FIRCLSMachOSlice {
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const void* startAddress;
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cpu_type_t cputype;
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cpu_subtype_t cpusubtype;
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};
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typedef struct FIRCLSMachOSlice* FIRCLSMachOSliceRef;
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typedef struct {
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uint32_t major;
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uint32_t minor;
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uint32_t bugfix;
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} FIRCLSMachOVersion;
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typedef struct {
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uint64_t addr;
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uint64_t size;
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uint32_t offset;
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} FIRCLSMachOSection;
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typedef struct {
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char segname[16];
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uint64_t vmaddr;
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uint64_t vmsize;
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} FIRCLSMachOSegmentCommand;
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typedef void (^FIRCLSMachOSliceIterator)(FIRCLSMachOSliceRef slice);
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typedef void (^FIRCLSMachOLoadCommandIterator)(uint32_t type,
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uint32_t size,
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const struct load_command* cmd);
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__BEGIN_DECLS
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bool FIRCLSMachOFileInitWithPath(FIRCLSMachOFileRef file, const char* path);
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bool FIRCLSMachOFileInitWithCurrent(FIRCLSMachOFileRef file);
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void FIRCLSMachOFileDestroy(FIRCLSMachOFileRef file);
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void FIRCLSMachOFileEnumerateSlices(FIRCLSMachOFileRef file, FIRCLSMachOSliceIterator block);
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struct FIRCLSMachOSlice FIRCLSMachOFileSliceWithArchitectureName(FIRCLSMachOFileRef file,
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const char* name);
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void FIRCLSMachOEnumerateSlicesAtAddress(void* executableData, FIRCLSMachOSliceIterator block);
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void FIRCLSMachOSliceEnumerateLoadCommands(FIRCLSMachOSliceRef slice,
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FIRCLSMachOLoadCommandIterator block);
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struct FIRCLSMachOSlice FIRCLSMachOSliceGetCurrent(void);
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struct FIRCLSMachOSlice FIRCLSMachOSliceWithHeader(void* machHeader);
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const char* FIRCLSMachOSliceGetExecutablePath(FIRCLSMachOSliceRef slice);
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const char* FIRCLSMachOSliceGetArchitectureName(FIRCLSMachOSliceRef slice);
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bool FIRCLSMachOSliceIs64Bit(FIRCLSMachOSliceRef slice);
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bool FIRCLSMachOSliceGetSectionByName(FIRCLSMachOSliceRef slice,
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const char* segName,
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const char* sectionName,
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const void** ptr);
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bool FIRCLSMachOSliceInitSectionByName(FIRCLSMachOSliceRef slice,
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const char* segName,
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const char* sectionName,
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FIRCLSMachOSection* section);
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void FIRCLSMachOSliceGetUnwindInformation(FIRCLSMachOSliceRef slice,
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const void** ehFrame,
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const void** unwindInfo);
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// load-command-specific calls for convenience
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// returns a pointer to the 16-byte UUID
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uint8_t const* FIRCLSMachOGetUUID(const struct load_command* cmd);
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const char* FIRCLSMachOGetDylibPath(const struct load_command* cmd);
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// return true if the header indicates the binary is encrypted
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bool FIRCLSMachOGetEncrypted(const struct load_command* cmd);
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// SDK minimums
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FIRCLSMachOVersion FIRCLSMachOGetMinimumOSVersion(const struct load_command* cmd);
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FIRCLSMachOVersion FIRCLSMachOGetLinkedSDKVersion(const struct load_command* cmd);
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// Helpers
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FIRCLSMachOSegmentCommand FIRCLSMachOGetSegmentCommand(const struct load_command* cmd);
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#ifdef __OBJC__
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NSString* FIRCLSMachONormalizeUUID(CFUUIDBytes* uuidBytes);
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NSString* FIRCLSMachOFormatVersion(FIRCLSMachOVersion* version);
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#endif
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__END_DECLS
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