clang -cc1 -cc1 -triple amd64-unknown-openbsd7.0 -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name MachOUniversal.cpp -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 1 -fhalf-no-semantic-interposition -mframe-pointer=all -relaxed-aliasing -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/gnu/usr.bin/clang/libLLVM/obj -resource-dir /usr/local/lib/clang/13.0.0 -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Transforms -I /usr/src/gnu/usr.bin/clang/libLLVM/obj/../include/llvm/AMDGPU -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/lib/Target/AMDGPU -I /usr/src/gnu/usr.bin/clang/libLLVM/obj/../include/llvm/AMDGPU -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/lib/Target/AMDGPU -I /usr/src/gnu/usr.bin/clang/libLLVM/obj/../include/llvm/AMDGPU -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/lib/Target/AMDGPU -I /usr/src/gnu/usr.bin/clang/libLLVM/obj/../include/llvm/AMDGPU -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/lib/Target/AMDGPU -I /usr/src/gnu/usr.bin/clang/libLLVM/obj/../include/llvm/AMDGPU -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/lib/Target/AMDGPU -I /usr/src/gnu/usr.bin/clang/libLLVM/obj/../include/llvm/AMDGPU -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/lib/Target/AMDGPU -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Analysis -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/ASMParser -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/BinaryFormat -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Bitcode -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Bitcode -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Bitstream -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Transforms -I /include/llvm/CodeGen -I /include/llvm/CodeGen/PBQP -I /usr/src/gnu/usr.bin/clang/libLLVM/obj/../include/llvm/IR -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/IR -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Transforms -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Transforms/Coroutines -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/ProfileData/Coverage -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/DebugInfo/CodeView -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/DebugInfo/DWARF -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/DebugInfo -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/DebugInfo/MSF -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/DebugInfo/PDB -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Demangle -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/ExecutionEngine -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/ExecutionEngine/JITLink -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/ExecutionEngine/Orc -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Frontend -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Frontend/OpenACC -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Frontend -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Frontend/OpenMP -I /include/llvm/CodeGen/GlobalISel -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/IRReader -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Transforms -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Transforms/InstCombine -I /usr/src/gnu/usr.bin/clang/libLLVM/obj/../include/llvm/Transforms/InstCombine -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Transforms -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/LTO -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Linker -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/MC -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/MC/MCParser -I /include/llvm/CodeGen/MIRParser -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Transforms -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Object -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Option -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Passes -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/ -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/ProfileData -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Transforms -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Transforms/Scalar -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/ADT -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Support -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/DebugInfo/Symbolize -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Target -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Transforms -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Transforms/Utils -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Transforms -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Transforms/Vectorize -I /usr/src/gnu/usr.bin/clang/libLLVM/obj/../include/llvm/X86 -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/lib/Target/X86 -I /usr/src/gnu/usr.bin/clang/libLLVM/obj/../include/llvm/X86 -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/lib/Target/X86 -I /usr/src/gnu/usr.bin/clang/libLLVM/obj/../include/llvm/X86 -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/lib/Target/X86 -I /usr/src/gnu/usr.bin/clang/libLLVM/obj/../include/llvm/X86 -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/lib/Target/X86 -I /usr/src/gnu/usr.bin/clang/libLLVM/obj/../include/llvm/X86 -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/lib/Target/X86 -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Transforms -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include/llvm/Transforms/IPO -I /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/include -I /usr/src/gnu/usr.bin/clang/libLLVM/../include -I /usr/src/gnu/usr.bin/clang/libLLVM/obj -I /usr/src/gnu/usr.bin/clang/libLLVM/obj/../include -D NDEBUG -D __STDC_LIMIT_MACROS -D __STDC_CONSTANT_MACROS -D __STDC_FORMAT_MACROS -D LLVM_PREFIX="/usr" -D PIC -internal-isystem /usr/include/c++/v1 -internal-isystem /usr/local/lib/clang/13.0.0/include -internal-externc-isystem /usr/include -O2 -Wno-unused-parameter -Wwrite-strings -Wno-missing-field-initializers -Wno-long-long -Wno-comment -std=c++14 -fdeprecated-macro -fdebug-compilation-dir=/usr/src/gnu/usr.bin/clang/libLLVM/obj -ferror-limit 19 -fvisibility-inlines-hidden -fwrapv -D_RET_PROTECTOR -ret-protector -fno-rtti -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /home/ben/Projects/vmm/scan-build/2022-01-12-194120-40624-1 -x c++ /usr/src/gnu/usr.bin/clang/libLLVM/../../../llvm/llvm/lib/Object/MachOUniversal.cpp
1 | |
2 | |
3 | |
4 | |
5 | |
6 | |
7 | |
8 | |
9 | |
10 | |
11 | |
12 | |
13 | #include "llvm/Object/MachOUniversal.h" |
14 | #include "llvm/Object/Archive.h" |
15 | #include "llvm/Object/IRObjectFile.h" |
16 | #include "llvm/Object/MachO.h" |
17 | #include "llvm/Object/ObjectFile.h" |
18 | #include "llvm/Support/Casting.h" |
19 | #include "llvm/Support/Host.h" |
20 | #include "llvm/Support/MemoryBuffer.h" |
21 | |
22 | using namespace llvm; |
23 | using namespace object; |
24 | |
25 | static Error |
26 | malformedError(Twine Msg) { |
27 | std::string StringMsg = "truncated or malformed fat file (" + Msg.str() + ")"; |
28 | return make_error<GenericBinaryError>(std::move(StringMsg), |
29 | object_error::parse_failed); |
30 | } |
31 | |
32 | template<typename T> |
33 | static T getUniversalBinaryStruct(const char *Ptr) { |
34 | T Res; |
35 | memcpy(&Res, Ptr, sizeof(T)); |
36 | |
37 | if (sys::IsLittleEndianHost) |
38 | swapStruct(Res); |
39 | return Res; |
40 | } |
41 | |
42 | MachOUniversalBinary::ObjectForArch::ObjectForArch( |
43 | const MachOUniversalBinary *Parent, uint32_t Index) |
44 | : Parent(Parent), Index(Index) { |
45 | |
46 | if (!Parent || Index >= Parent->getNumberOfObjects()) { |
47 | clear(); |
48 | } else { |
49 | |
50 | StringRef ParentData = Parent->getData(); |
51 | if (Parent->getMagic() == MachO::FAT_MAGIC) { |
52 | const char *HeaderPos = ParentData.begin() + sizeof(MachO::fat_header) + |
53 | Index * sizeof(MachO::fat_arch); |
54 | Header = getUniversalBinaryStruct<MachO::fat_arch>(HeaderPos); |
55 | } else { |
56 | const char *HeaderPos = ParentData.begin() + sizeof(MachO::fat_header) + |
57 | Index * sizeof(MachO::fat_arch_64); |
58 | Header64 = getUniversalBinaryStruct<MachO::fat_arch_64>(HeaderPos); |
59 | } |
60 | } |
61 | } |
62 | |
63 | Expected<std::unique_ptr<MachOObjectFile>> |
64 | MachOUniversalBinary::ObjectForArch::getAsObjectFile() const { |
65 | if (!Parent) |
66 | report_fatal_error("MachOUniversalBinary::ObjectForArch::getAsObjectFile() " |
67 | "called when Parent is a nullptr"); |
68 | |
69 | StringRef ParentData = Parent->getData(); |
70 | StringRef ObjectData; |
71 | uint32_t cputype; |
72 | if (Parent->getMagic() == MachO::FAT_MAGIC) { |
73 | ObjectData = ParentData.substr(Header.offset, Header.size); |
74 | cputype = Header.cputype; |
75 | } else { |
76 | ObjectData = ParentData.substr(Header64.offset, Header64.size); |
77 | cputype = Header64.cputype; |
78 | } |
79 | StringRef ObjectName = Parent->getFileName(); |
80 | MemoryBufferRef ObjBuffer(ObjectData, ObjectName); |
81 | return ObjectFile::createMachOObjectFile(ObjBuffer, cputype, Index); |
82 | } |
83 | |
84 | Expected<std::unique_ptr<IRObjectFile>> |
85 | MachOUniversalBinary::ObjectForArch::getAsIRObject(LLVMContext &Ctx) const { |
86 | if (!Parent) |
87 | report_fatal_error("MachOUniversalBinary::ObjectForArch::getAsIRObject() " |
88 | "called when Parent is a nullptr"); |
89 | |
90 | StringRef ParentData = Parent->getData(); |
91 | StringRef ObjectData; |
92 | if (Parent->getMagic() == MachO::FAT_MAGIC) { |
93 | ObjectData = ParentData.substr(Header.offset, Header.size); |
94 | } else { |
95 | ObjectData = ParentData.substr(Header64.offset, Header64.size); |
96 | } |
97 | StringRef ObjectName = Parent->getFileName(); |
98 | MemoryBufferRef ObjBuffer(ObjectData, ObjectName); |
99 | |
100 | return IRObjectFile::create(ObjBuffer, Ctx); |
101 | } |
102 | |
103 | Expected<std::unique_ptr<Archive>> |
104 | MachOUniversalBinary::ObjectForArch::getAsArchive() const { |
105 | if (!Parent) |
106 | report_fatal_error("MachOUniversalBinary::ObjectForArch::getAsArchive() " |
107 | "called when Parent is a nullptr"); |
108 | |
109 | StringRef ParentData = Parent->getData(); |
110 | StringRef ObjectData; |
111 | if (Parent->getMagic() == MachO::FAT_MAGIC) |
112 | ObjectData = ParentData.substr(Header.offset, Header.size); |
113 | else |
114 | ObjectData = ParentData.substr(Header64.offset, Header64.size); |
115 | StringRef ObjectName = Parent->getFileName(); |
116 | MemoryBufferRef ObjBuffer(ObjectData, ObjectName); |
117 | return Archive::create(ObjBuffer); |
118 | } |
119 | |
120 | void MachOUniversalBinary::anchor() { } |
121 | |
122 | Expected<std::unique_ptr<MachOUniversalBinary>> |
123 | MachOUniversalBinary::create(MemoryBufferRef Source) { |
124 | Error Err = Error::success(); |
125 | std::unique_ptr<MachOUniversalBinary> Ret( |
126 | new MachOUniversalBinary(Source, Err)); |
127 | if (Err) |
128 | return std::move(Err); |
129 | return std::move(Ret); |
130 | } |
131 | |
132 | MachOUniversalBinary::MachOUniversalBinary(MemoryBufferRef Source, Error &Err) |
133 | : Binary(Binary::ID_MachOUniversalBinary, Source), Magic(0), |
134 | NumberOfObjects(0) { |
135 | ErrorAsOutParameter ErrAsOutParam(&Err); |
136 | if (Data.getBufferSize() < sizeof(MachO::fat_header)) { |
137 | Err = make_error<GenericBinaryError>("File too small to be a Mach-O " |
138 | "universal file", |
139 | object_error::invalid_file_type); |
140 | return; |
141 | } |
142 | |
143 | StringRef Buf = getData(); |
144 | MachO::fat_header H = |
145 | getUniversalBinaryStruct<MachO::fat_header>(Buf.begin()); |
146 | Magic = H.magic; |
147 | NumberOfObjects = H.nfat_arch; |
148 | if (NumberOfObjects == 0) { |
149 | Err = malformedError("contains zero architecture types"); |
150 | return; |
151 | } |
152 | uint32_t MinSize = sizeof(MachO::fat_header); |
153 | if (Magic == MachO::FAT_MAGIC) |
154 | MinSize += sizeof(MachO::fat_arch) * NumberOfObjects; |
155 | else if (Magic == MachO::FAT_MAGIC_64) |
156 | MinSize += sizeof(MachO::fat_arch_64) * NumberOfObjects; |
157 | else { |
158 | Err = malformedError("bad magic number"); |
159 | return; |
160 | } |
161 | if (Buf.size() < MinSize) { |
162 | Err = malformedError("fat_arch" + |
163 | Twine(Magic == MachO::FAT_MAGIC ? "" : "_64") + |
164 | " structs would extend past the end of the file"); |
165 | return; |
166 | } |
167 | for (uint32_t i = 0; i < NumberOfObjects; i++) { |
168 | ObjectForArch A(this, i); |
169 | uint64_t bigSize = A.getOffset(); |
170 | bigSize += A.getSize(); |
171 | if (bigSize > Buf.size()) { |
172 | Err = malformedError("offset plus size of cputype (" + |
173 | Twine(A.getCPUType()) + ") cpusubtype (" + |
174 | Twine(A.getCPUSubType() & ~MachO::CPU_SUBTYPE_MASK) + |
175 | ") extends past the end of the file"); |
176 | return; |
177 | } |
178 | |
179 | if (A.getAlign() > MaxSectionAlignment) { |
180 | Err = malformedError("align (2^" + Twine(A.getAlign()) + |
181 | ") too large for cputype (" + Twine(A.getCPUType()) + |
182 | ") cpusubtype (" + |
183 | Twine(A.getCPUSubType() & ~MachO::CPU_SUBTYPE_MASK) + |
184 | ") (maximum 2^" + Twine(MaxSectionAlignment) + ")"); |
185 | return; |
186 | } |
187 | if(A.getOffset() % (1ull << A.getAlign()) != 0){ |
188 | Err = malformedError("offset: " + Twine(A.getOffset()) + |
189 | " for cputype (" + Twine(A.getCPUType()) + ") cpusubtype (" + |
190 | Twine(A.getCPUSubType() & ~MachO::CPU_SUBTYPE_MASK) + |
191 | ") not aligned on it's alignment (2^" + Twine(A.getAlign()) + ")"); |
192 | return; |
193 | } |
194 | if (A.getOffset() < MinSize) { |
195 | Err = malformedError("cputype (" + Twine(A.getCPUType()) + ") " |
196 | "cpusubtype (" + Twine(A.getCPUSubType() & ~MachO::CPU_SUBTYPE_MASK) + |
197 | ") offset " + Twine(A.getOffset()) + " overlaps universal headers"); |
198 | return; |
199 | } |
200 | } |
201 | for (uint32_t i = 0; i < NumberOfObjects; i++) { |
202 | ObjectForArch A(this, i); |
203 | for (uint32_t j = i + 1; j < NumberOfObjects; j++) { |
204 | ObjectForArch B(this, j); |
205 | if (A.getCPUType() == B.getCPUType() && |
206 | (A.getCPUSubType() & ~MachO::CPU_SUBTYPE_MASK) == |
207 | (B.getCPUSubType() & ~MachO::CPU_SUBTYPE_MASK)) { |
208 | Err = malformedError("contains two of the same architecture (cputype " |
209 | "(" + Twine(A.getCPUType()) + ") cpusubtype (" + |
210 | Twine(A.getCPUSubType() & ~MachO::CPU_SUBTYPE_MASK) + "))"); |
211 | return; |
212 | } |
213 | if ((A.getOffset() >= B.getOffset() && |
214 | A.getOffset() < B.getOffset() + B.getSize()) || |
215 | (A.getOffset() + A.getSize() > B.getOffset() && |
216 | A.getOffset() + A.getSize() < B.getOffset() + B.getSize()) || |
217 | (A.getOffset() <= B.getOffset() && |
218 | A.getOffset() + A.getSize() >= B.getOffset() + B.getSize())) { |
219 | Err = malformedError("cputype (" + Twine(A.getCPUType()) + ") " |
220 | "cpusubtype (" + Twine(A.getCPUSubType() & ~MachO::CPU_SUBTYPE_MASK) + |
221 | ") at offset " + Twine(A.getOffset()) + " with a size of " + |
222 | Twine(A.getSize()) + ", overlaps cputype (" + Twine(B.getCPUType()) + |
223 | ") cpusubtype (" + Twine(B.getCPUSubType() & ~MachO::CPU_SUBTYPE_MASK) |
224 | + ") at offset " + Twine(B.getOffset()) + " with a size of " |
225 | + Twine(B.getSize())); |
226 | return; |
227 | } |
228 | } |
229 | } |
230 | Err = Error::success(); |
231 | } |
232 | |
233 | Expected<MachOUniversalBinary::ObjectForArch> |
234 | MachOUniversalBinary::getObjectForArch(StringRef ArchName) const { |
235 | if (Triple(ArchName).getArch() == Triple::ArchType::UnknownArch) |
| 2 | | Assuming the condition is false | |
|
| |
236 | return make_error<GenericBinaryError>("Unknown architecture " |
237 | "named: " + |
238 | ArchName, |
239 | object_error::arch_not_found); |
240 | for (const auto &Obj : objects()) |
| 6 | | Calling 'object_iterator::operator++' | |
|
| 8 | | Returning from 'object_iterator::operator++' | |
|
241 | if (Obj.getArchFlagName() == ArchName) |
| 4 | | Assuming the condition is false | |
|
| |
| 9 | | Calling 'ObjectForArch::getArchFlagName' | |
|
242 | return Obj; |
243 | return make_error<GenericBinaryError>("fat file does not " |
244 | "contain " + |
245 | ArchName, |
246 | object_error::arch_not_found); |
247 | } |
248 | |
249 | Expected<std::unique_ptr<MachOObjectFile>> |
250 | MachOUniversalBinary::getMachOObjectForArch(StringRef ArchName) const { |
251 | Expected<ObjectForArch> O = getObjectForArch(ArchName); |
252 | if (!O) |
253 | return O.takeError(); |
254 | return O->getAsObjectFile(); |
255 | } |
256 | |
257 | Expected<std::unique_ptr<IRObjectFile>> |
258 | MachOUniversalBinary::getIRObjectForArch(StringRef ArchName, |
259 | LLVMContext &Ctx) const { |
260 | Expected<ObjectForArch> O = getObjectForArch(ArchName); |
261 | if (!O) |
262 | return O.takeError(); |
263 | return O->getAsIRObject(Ctx); |
264 | } |
265 | |
266 | Expected<std::unique_ptr<Archive>> |
267 | MachOUniversalBinary::getArchiveForArch(StringRef ArchName) const { |
268 | Expected<ObjectForArch> O = getObjectForArch(ArchName); |
| 1 | Calling 'MachOUniversalBinary::getObjectForArch' | |
|
269 | if (!O) |
270 | return O.takeError(); |
271 | return O->getAsArchive(); |
272 | } |
1 | |
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7 | |
8 | |
9 | |
10 | |
11 | |
12 | |
13 | #ifndef LLVM_OBJECT_MACHOUNIVERSAL_H |
14 | #define LLVM_OBJECT_MACHOUNIVERSAL_H |
15 | |
16 | #include "llvm/ADT/Triple.h" |
17 | #include "llvm/ADT/iterator_range.h" |
18 | #include "llvm/BinaryFormat/MachO.h" |
19 | #include "llvm/Object/Archive.h" |
20 | #include "llvm/Object/Binary.h" |
21 | #include "llvm/Object/MachO.h" |
22 | |
23 | namespace llvm { |
24 | class StringRef; |
25 | class Module; |
26 | class LLVMContext; |
27 | |
28 | namespace object { |
29 | class IRObjectFile; |
30 | |
31 | class MachOUniversalBinary : public Binary { |
32 | virtual void anchor(); |
33 | |
34 | uint32_t Magic; |
35 | uint32_t NumberOfObjects; |
36 | public: |
37 | static constexpr uint32_t MaxSectionAlignment = 15; |
38 | |
39 | class ObjectForArch { |
40 | const MachOUniversalBinary *Parent; |
41 | |
42 | uint32_t Index; |
43 | |
44 | MachO::fat_arch Header; |
45 | MachO::fat_arch_64 Header64; |
46 | |
47 | public: |
48 | ObjectForArch(const MachOUniversalBinary *Parent, uint32_t Index); |
49 | |
50 | void clear() { |
51 | Parent = nullptr; |
52 | Index = 0; |
53 | } |
54 | |
55 | bool operator==(const ObjectForArch &Other) const { |
56 | return (Parent == Other.Parent) && (Index == Other.Index); |
57 | } |
58 | |
59 | ObjectForArch getNext() const { return ObjectForArch(Parent, Index + 1); } |
60 | uint32_t getCPUType() const { |
61 | if (Parent->getMagic() == MachO::FAT_MAGIC) |
| 11 | | Called C++ object pointer is null |
|
62 | return Header.cputype; |
63 | else |
64 | return Header64.cputype; |
65 | } |
66 | uint32_t getCPUSubType() const { |
67 | if (Parent->getMagic() == MachO::FAT_MAGIC) |
68 | return Header.cpusubtype; |
69 | else |
70 | return Header64.cpusubtype; |
71 | } |
72 | uint64_t getOffset() const { |
73 | if (Parent->getMagic() == MachO::FAT_MAGIC) |
74 | return Header.offset; |
75 | else |
76 | return Header64.offset; |
77 | } |
78 | uint64_t getSize() const { |
79 | if (Parent->getMagic() == MachO::FAT_MAGIC) |
80 | return Header.size; |
81 | else |
82 | return Header64.size; |
83 | } |
84 | uint32_t getAlign() const { |
85 | if (Parent->getMagic() == MachO::FAT_MAGIC) |
86 | return Header.align; |
87 | else |
88 | return Header64.align; |
89 | } |
90 | uint32_t getReserved() const { |
91 | if (Parent->getMagic() == MachO::FAT_MAGIC) |
92 | return 0; |
93 | else |
94 | return Header64.reserved; |
95 | } |
96 | Triple getTriple() const { |
97 | return MachOObjectFile::getArchTriple(getCPUType(), getCPUSubType()); |
98 | } |
99 | std::string getArchFlagName() const { |
100 | const char *McpuDefault, *ArchFlag; |
101 | MachOObjectFile::getArchTriple(getCPUType(), getCPUSubType(), |
| 10 | | Calling 'ObjectForArch::getCPUType' | |
|
102 | &McpuDefault, &ArchFlag); |
103 | return ArchFlag ? ArchFlag : std::string(); |
104 | } |
105 | |
106 | Expected<std::unique_ptr<MachOObjectFile>> getAsObjectFile() const; |
107 | Expected<std::unique_ptr<IRObjectFile>> |
108 | getAsIRObject(LLVMContext &Ctx) const; |
109 | |
110 | Expected<std::unique_ptr<Archive>> getAsArchive() const; |
111 | }; |
112 | |
113 | class object_iterator { |
114 | ObjectForArch Obj; |
115 | public: |
116 | object_iterator(const ObjectForArch &Obj) : Obj(Obj) {} |
117 | const ObjectForArch *operator->() const { return &Obj; } |
118 | const ObjectForArch &operator*() const { return Obj; } |
119 | |
120 | bool operator==(const object_iterator &Other) const { |
121 | return Obj == Other.Obj; |
122 | } |
123 | bool operator!=(const object_iterator &Other) const { |
124 | return !(*this == Other); |
125 | } |
126 | |
127 | object_iterator& operator++() { |
128 | Obj = Obj.getNext(); |
| 7 | | Null pointer value stored to '__begin1.Obj.Parent' | |
|
129 | return *this; |
130 | } |
131 | }; |
132 | |
133 | MachOUniversalBinary(MemoryBufferRef Souce, Error &Err); |
134 | static Expected<std::unique_ptr<MachOUniversalBinary>> |
135 | create(MemoryBufferRef Source); |
136 | |
137 | object_iterator begin_objects() const { |
138 | return ObjectForArch(this, 0); |
139 | } |
140 | object_iterator end_objects() const { |
141 | return ObjectForArch(nullptr, 0); |
142 | } |
143 | |
144 | iterator_range<object_iterator> objects() const { |
145 | return make_range(begin_objects(), end_objects()); |
146 | } |
147 | |
148 | uint32_t getMagic() const { return Magic; } |
149 | uint32_t getNumberOfObjects() const { return NumberOfObjects; } |
150 | |
151 | |
152 | static bool classof(Binary const *V) { |
153 | return V->isMachOUniversalBinary(); |
154 | } |
155 | |
156 | Expected<ObjectForArch> |
157 | getObjectForArch(StringRef ArchName) const; |
158 | |
159 | Expected<std::unique_ptr<MachOObjectFile>> |
160 | getMachOObjectForArch(StringRef ArchName) const; |
161 | |
162 | Expected<std::unique_ptr<IRObjectFile>> |
163 | getIRObjectForArch(StringRef ArchName, LLVMContext &Ctx) const; |
164 | |
165 | Expected<std::unique_ptr<Archive>> |
166 | getArchiveForArch(StringRef ArchName) const; |
167 | }; |
168 | |
169 | } |
170 | } |
171 | |
172 | #endif |