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223e47cc LB |
1 | //===- Object.cpp - C bindings to the object file library--------*- C++ -*-===// |
2 | // | |
3 | // The LLVM Compiler Infrastructure | |
4 | // | |
5 | // This file is distributed under the University of Illinois Open Source | |
6 | // License. See LICENSE.TXT for details. | |
7 | // | |
8 | //===----------------------------------------------------------------------===// | |
9 | // | |
10 | // This file defines the C bindings to the file-format-independent object | |
11 | // library. | |
12 | // | |
13 | //===----------------------------------------------------------------------===// | |
14 | ||
1a4d82fc | 15 | #include "llvm/ADT/SmallVector.h" |
223e47cc | 16 | #include "llvm-c/Object.h" |
1a4d82fc | 17 | #include "llvm/Object/ObjectFile.h" |
223e47cc LB |
18 | |
19 | using namespace llvm; | |
20 | using namespace object; | |
21 | ||
1a4d82fc JJ |
22 | inline OwningBinary<ObjectFile> *unwrap(LLVMObjectFileRef OF) { |
23 | return reinterpret_cast<OwningBinary<ObjectFile> *>(OF); | |
24 | } | |
25 | ||
26 | inline LLVMObjectFileRef wrap(const OwningBinary<ObjectFile> *OF) { | |
27 | return reinterpret_cast<LLVMObjectFileRef>( | |
28 | const_cast<OwningBinary<ObjectFile> *>(OF)); | |
29 | } | |
30 | ||
31 | inline section_iterator *unwrap(LLVMSectionIteratorRef SI) { | |
32 | return reinterpret_cast<section_iterator*>(SI); | |
33 | } | |
34 | ||
35 | inline LLVMSectionIteratorRef | |
36 | wrap(const section_iterator *SI) { | |
37 | return reinterpret_cast<LLVMSectionIteratorRef> | |
38 | (const_cast<section_iterator*>(SI)); | |
39 | } | |
40 | ||
41 | inline symbol_iterator *unwrap(LLVMSymbolIteratorRef SI) { | |
42 | return reinterpret_cast<symbol_iterator*>(SI); | |
43 | } | |
44 | ||
45 | inline LLVMSymbolIteratorRef | |
46 | wrap(const symbol_iterator *SI) { | |
47 | return reinterpret_cast<LLVMSymbolIteratorRef> | |
48 | (const_cast<symbol_iterator*>(SI)); | |
49 | } | |
50 | ||
51 | inline relocation_iterator *unwrap(LLVMRelocationIteratorRef SI) { | |
52 | return reinterpret_cast<relocation_iterator*>(SI); | |
53 | } | |
54 | ||
55 | inline LLVMRelocationIteratorRef | |
56 | wrap(const relocation_iterator *SI) { | |
57 | return reinterpret_cast<LLVMRelocationIteratorRef> | |
58 | (const_cast<relocation_iterator*>(SI)); | |
59 | } | |
60 | ||
223e47cc LB |
61 | // ObjectFile creation |
62 | LLVMObjectFileRef LLVMCreateObjectFile(LLVMMemoryBufferRef MemBuf) { | |
1a4d82fc JJ |
63 | std::unique_ptr<MemoryBuffer> Buf(unwrap(MemBuf)); |
64 | ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr( | |
65 | ObjectFile::createObjectFile(Buf->getMemBufferRef())); | |
66 | std::unique_ptr<ObjectFile> Obj; | |
67 | if (!ObjOrErr) | |
68 | return nullptr; | |
69 | ||
70 | auto *Ret = new OwningBinary<ObjectFile>(std::move(ObjOrErr.get()), std::move(Buf)); | |
71 | return wrap(Ret); | |
223e47cc LB |
72 | } |
73 | ||
74 | void LLVMDisposeObjectFile(LLVMObjectFileRef ObjectFile) { | |
75 | delete unwrap(ObjectFile); | |
76 | } | |
77 | ||
78 | // ObjectFile Section iterators | |
1a4d82fc JJ |
79 | LLVMSectionIteratorRef LLVMGetSections(LLVMObjectFileRef OF) { |
80 | OwningBinary<ObjectFile> *OB = unwrap(OF); | |
81 | section_iterator SI = OB->getBinary()->section_begin(); | |
223e47cc LB |
82 | return wrap(new section_iterator(SI)); |
83 | } | |
84 | ||
85 | void LLVMDisposeSectionIterator(LLVMSectionIteratorRef SI) { | |
86 | delete unwrap(SI); | |
87 | } | |
88 | ||
1a4d82fc JJ |
89 | LLVMBool LLVMIsSectionIteratorAtEnd(LLVMObjectFileRef OF, |
90 | LLVMSectionIteratorRef SI) { | |
91 | OwningBinary<ObjectFile> *OB = unwrap(OF); | |
92 | return (*unwrap(SI) == OB->getBinary()->section_end()) ? 1 : 0; | |
223e47cc LB |
93 | } |
94 | ||
95 | void LLVMMoveToNextSection(LLVMSectionIteratorRef SI) { | |
1a4d82fc | 96 | ++(*unwrap(SI)); |
223e47cc LB |
97 | } |
98 | ||
99 | void LLVMMoveToContainingSection(LLVMSectionIteratorRef Sect, | |
100 | LLVMSymbolIteratorRef Sym) { | |
1a4d82fc | 101 | if (std::error_code ec = (*unwrap(Sym))->getSection(*unwrap(Sect))) |
223e47cc LB |
102 | report_fatal_error(ec.message()); |
103 | } | |
104 | ||
105 | // ObjectFile Symbol iterators | |
1a4d82fc JJ |
106 | LLVMSymbolIteratorRef LLVMGetSymbols(LLVMObjectFileRef OF) { |
107 | OwningBinary<ObjectFile> *OB = unwrap(OF); | |
108 | symbol_iterator SI = OB->getBinary()->symbol_begin(); | |
223e47cc LB |
109 | return wrap(new symbol_iterator(SI)); |
110 | } | |
111 | ||
112 | void LLVMDisposeSymbolIterator(LLVMSymbolIteratorRef SI) { | |
113 | delete unwrap(SI); | |
114 | } | |
115 | ||
1a4d82fc JJ |
116 | LLVMBool LLVMIsSymbolIteratorAtEnd(LLVMObjectFileRef OF, |
117 | LLVMSymbolIteratorRef SI) { | |
118 | OwningBinary<ObjectFile> *OB = unwrap(OF); | |
119 | return (*unwrap(SI) == OB->getBinary()->symbol_end()) ? 1 : 0; | |
223e47cc LB |
120 | } |
121 | ||
122 | void LLVMMoveToNextSymbol(LLVMSymbolIteratorRef SI) { | |
1a4d82fc | 123 | ++(*unwrap(SI)); |
223e47cc LB |
124 | } |
125 | ||
126 | // SectionRef accessors | |
127 | const char *LLVMGetSectionName(LLVMSectionIteratorRef SI) { | |
128 | StringRef ret; | |
1a4d82fc | 129 | if (std::error_code ec = (*unwrap(SI))->getName(ret)) |
223e47cc LB |
130 | report_fatal_error(ec.message()); |
131 | return ret.data(); | |
132 | } | |
133 | ||
134 | uint64_t LLVMGetSectionSize(LLVMSectionIteratorRef SI) { | |
85aaf69f | 135 | return (*unwrap(SI))->getSize(); |
223e47cc LB |
136 | } |
137 | ||
138 | const char *LLVMGetSectionContents(LLVMSectionIteratorRef SI) { | |
139 | StringRef ret; | |
1a4d82fc | 140 | if (std::error_code ec = (*unwrap(SI))->getContents(ret)) |
223e47cc LB |
141 | report_fatal_error(ec.message()); |
142 | return ret.data(); | |
143 | } | |
144 | ||
145 | uint64_t LLVMGetSectionAddress(LLVMSectionIteratorRef SI) { | |
85aaf69f | 146 | return (*unwrap(SI))->getAddress(); |
223e47cc LB |
147 | } |
148 | ||
149 | LLVMBool LLVMGetSectionContainsSymbol(LLVMSectionIteratorRef SI, | |
150 | LLVMSymbolIteratorRef Sym) { | |
85aaf69f | 151 | return (*unwrap(SI))->containsSymbol(**unwrap(Sym)); |
223e47cc LB |
152 | } |
153 | ||
154 | // Section Relocation iterators | |
155 | LLVMRelocationIteratorRef LLVMGetRelocations(LLVMSectionIteratorRef Section) { | |
1a4d82fc | 156 | relocation_iterator SI = (*unwrap(Section))->relocation_begin(); |
223e47cc LB |
157 | return wrap(new relocation_iterator(SI)); |
158 | } | |
159 | ||
160 | void LLVMDisposeRelocationIterator(LLVMRelocationIteratorRef SI) { | |
161 | delete unwrap(SI); | |
162 | } | |
163 | ||
164 | LLVMBool LLVMIsRelocationIteratorAtEnd(LLVMSectionIteratorRef Section, | |
165 | LLVMRelocationIteratorRef SI) { | |
1a4d82fc | 166 | return (*unwrap(SI) == (*unwrap(Section))->relocation_end()) ? 1 : 0; |
223e47cc LB |
167 | } |
168 | ||
169 | void LLVMMoveToNextRelocation(LLVMRelocationIteratorRef SI) { | |
1a4d82fc | 170 | ++(*unwrap(SI)); |
223e47cc LB |
171 | } |
172 | ||
173 | ||
174 | // SymbolRef accessors | |
175 | const char *LLVMGetSymbolName(LLVMSymbolIteratorRef SI) { | |
176 | StringRef ret; | |
1a4d82fc | 177 | if (std::error_code ec = (*unwrap(SI))->getName(ret)) |
223e47cc LB |
178 | report_fatal_error(ec.message()); |
179 | return ret.data(); | |
180 | } | |
181 | ||
182 | uint64_t LLVMGetSymbolAddress(LLVMSymbolIteratorRef SI) { | |
183 | uint64_t ret; | |
1a4d82fc | 184 | if (std::error_code ec = (*unwrap(SI))->getAddress(ret)) |
223e47cc LB |
185 | report_fatal_error(ec.message()); |
186 | return ret; | |
187 | } | |
188 | ||
189 | uint64_t LLVMGetSymbolSize(LLVMSymbolIteratorRef SI) { | |
190 | uint64_t ret; | |
1a4d82fc | 191 | if (std::error_code ec = (*unwrap(SI))->getSize(ret)) |
223e47cc LB |
192 | report_fatal_error(ec.message()); |
193 | return ret; | |
194 | } | |
195 | ||
196 | // RelocationRef accessors | |
197 | uint64_t LLVMGetRelocationAddress(LLVMRelocationIteratorRef RI) { | |
198 | uint64_t ret; | |
1a4d82fc | 199 | if (std::error_code ec = (*unwrap(RI))->getAddress(ret)) |
223e47cc LB |
200 | report_fatal_error(ec.message()); |
201 | return ret; | |
202 | } | |
203 | ||
204 | uint64_t LLVMGetRelocationOffset(LLVMRelocationIteratorRef RI) { | |
205 | uint64_t ret; | |
1a4d82fc | 206 | if (std::error_code ec = (*unwrap(RI))->getOffset(ret)) |
223e47cc LB |
207 | report_fatal_error(ec.message()); |
208 | return ret; | |
209 | } | |
210 | ||
211 | LLVMSymbolIteratorRef LLVMGetRelocationSymbol(LLVMRelocationIteratorRef RI) { | |
1a4d82fc | 212 | symbol_iterator ret = (*unwrap(RI))->getSymbol(); |
223e47cc LB |
213 | return wrap(new symbol_iterator(ret)); |
214 | } | |
215 | ||
216 | uint64_t LLVMGetRelocationType(LLVMRelocationIteratorRef RI) { | |
217 | uint64_t ret; | |
1a4d82fc | 218 | if (std::error_code ec = (*unwrap(RI))->getType(ret)) |
223e47cc LB |
219 | report_fatal_error(ec.message()); |
220 | return ret; | |
221 | } | |
222 | ||
223 | // NOTE: Caller takes ownership of returned string. | |
224 | const char *LLVMGetRelocationTypeName(LLVMRelocationIteratorRef RI) { | |
225 | SmallVector<char, 0> ret; | |
1a4d82fc | 226 | if (std::error_code ec = (*unwrap(RI))->getTypeName(ret)) |
223e47cc LB |
227 | report_fatal_error(ec.message()); |
228 | ||
229 | char *str = static_cast<char*>(malloc(ret.size())); | |
230 | std::copy(ret.begin(), ret.end(), str); | |
231 | return str; | |
232 | } | |
233 | ||
234 | // NOTE: Caller takes ownership of returned string. | |
235 | const char *LLVMGetRelocationValueString(LLVMRelocationIteratorRef RI) { | |
236 | SmallVector<char, 0> ret; | |
1a4d82fc | 237 | if (std::error_code ec = (*unwrap(RI))->getValueString(ret)) |
223e47cc LB |
238 | report_fatal_error(ec.message()); |
239 | ||
240 | char *str = static_cast<char*>(malloc(ret.size())); | |
241 | std::copy(ret.begin(), ret.end(), str); | |
242 | return str; | |
243 | } | |
244 |