1 //===- Object.cpp - C bindings to the object file library--------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the C bindings to the file-format-independent object
13 //===----------------------------------------------------------------------===//
15 #include "llvm/ADT/SmallVector.h"
16 #include "llvm-c/Object.h"
17 #include "llvm/Object/ObjectFile.h"
20 using namespace object;
22 inline OwningBinary<ObjectFile> *unwrap(LLVMObjectFileRef OF) {
23 return reinterpret_cast<OwningBinary<ObjectFile> *>(OF);
26 inline LLVMObjectFileRef wrap(const OwningBinary<ObjectFile> *OF) {
27 return reinterpret_cast<LLVMObjectFileRef>(
28 const_cast<OwningBinary<ObjectFile> *>(OF));
31 inline section_iterator *unwrap(LLVMSectionIteratorRef SI) {
32 return reinterpret_cast<section_iterator*>(SI);
35 inline LLVMSectionIteratorRef
36 wrap(const section_iterator *SI) {
37 return reinterpret_cast<LLVMSectionIteratorRef>
38 (const_cast<section_iterator*>(SI));
41 inline symbol_iterator *unwrap(LLVMSymbolIteratorRef SI) {
42 return reinterpret_cast<symbol_iterator*>(SI);
45 inline LLVMSymbolIteratorRef
46 wrap(const symbol_iterator *SI) {
47 return reinterpret_cast<LLVMSymbolIteratorRef>
48 (const_cast<symbol_iterator*>(SI));
51 inline relocation_iterator *unwrap(LLVMRelocationIteratorRef SI) {
52 return reinterpret_cast<relocation_iterator*>(SI);
55 inline LLVMRelocationIteratorRef
56 wrap(const relocation_iterator *SI) {
57 return reinterpret_cast<LLVMRelocationIteratorRef>
58 (const_cast<relocation_iterator*>(SI));
61 // ObjectFile creation
62 LLVMObjectFileRef LLVMCreateObjectFile(LLVMMemoryBufferRef MemBuf) {
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;
70 auto *Ret = new OwningBinary<ObjectFile>(std::move(ObjOrErr.get()), std::move(Buf));
74 void LLVMDisposeObjectFile(LLVMObjectFileRef ObjectFile) {
75 delete unwrap(ObjectFile);
78 // ObjectFile Section iterators
79 LLVMSectionIteratorRef LLVMGetSections(LLVMObjectFileRef OF) {
80 OwningBinary<ObjectFile> *OB = unwrap(OF);
81 section_iterator SI = OB->getBinary()->section_begin();
82 return wrap(new section_iterator(SI));
85 void LLVMDisposeSectionIterator(LLVMSectionIteratorRef SI) {
89 LLVMBool LLVMIsSectionIteratorAtEnd(LLVMObjectFileRef OF,
90 LLVMSectionIteratorRef SI) {
91 OwningBinary<ObjectFile> *OB = unwrap(OF);
92 return (*unwrap(SI) == OB->getBinary()->section_end()) ? 1 : 0;
95 void LLVMMoveToNextSection(LLVMSectionIteratorRef SI) {
99 void LLVMMoveToContainingSection(LLVMSectionIteratorRef Sect,
100 LLVMSymbolIteratorRef Sym) {
101 if (std::error_code ec = (*unwrap(Sym))->getSection(*unwrap(Sect)))
102 report_fatal_error(ec.message());
105 // ObjectFile Symbol iterators
106 LLVMSymbolIteratorRef LLVMGetSymbols(LLVMObjectFileRef OF) {
107 OwningBinary<ObjectFile> *OB = unwrap(OF);
108 symbol_iterator SI = OB->getBinary()->symbol_begin();
109 return wrap(new symbol_iterator(SI));
112 void LLVMDisposeSymbolIterator(LLVMSymbolIteratorRef SI) {
116 LLVMBool LLVMIsSymbolIteratorAtEnd(LLVMObjectFileRef OF,
117 LLVMSymbolIteratorRef SI) {
118 OwningBinary<ObjectFile> *OB = unwrap(OF);
119 return (*unwrap(SI) == OB->getBinary()->symbol_end()) ? 1 : 0;
122 void LLVMMoveToNextSymbol(LLVMSymbolIteratorRef SI) {
126 // SectionRef accessors
127 const char *LLVMGetSectionName(LLVMSectionIteratorRef SI) {
129 if (std::error_code ec = (*unwrap(SI))->getName(ret))
130 report_fatal_error(ec.message());
134 uint64_t LLVMGetSectionSize(LLVMSectionIteratorRef SI) {
135 return (*unwrap(SI))->getSize();
138 const char *LLVMGetSectionContents(LLVMSectionIteratorRef SI) {
140 if (std::error_code ec = (*unwrap(SI))->getContents(ret))
141 report_fatal_error(ec.message());
145 uint64_t LLVMGetSectionAddress(LLVMSectionIteratorRef SI) {
146 return (*unwrap(SI))->getAddress();
149 LLVMBool LLVMGetSectionContainsSymbol(LLVMSectionIteratorRef SI,
150 LLVMSymbolIteratorRef Sym) {
151 return (*unwrap(SI))->containsSymbol(**unwrap(Sym));
154 // Section Relocation iterators
155 LLVMRelocationIteratorRef LLVMGetRelocations(LLVMSectionIteratorRef Section) {
156 relocation_iterator SI = (*unwrap(Section))->relocation_begin();
157 return wrap(new relocation_iterator(SI));
160 void LLVMDisposeRelocationIterator(LLVMRelocationIteratorRef SI) {
164 LLVMBool LLVMIsRelocationIteratorAtEnd(LLVMSectionIteratorRef Section,
165 LLVMRelocationIteratorRef SI) {
166 return (*unwrap(SI) == (*unwrap(Section))->relocation_end()) ? 1 : 0;
169 void LLVMMoveToNextRelocation(LLVMRelocationIteratorRef SI) {
174 // SymbolRef accessors
175 const char *LLVMGetSymbolName(LLVMSymbolIteratorRef SI) {
177 if (std::error_code ec = (*unwrap(SI))->getName(ret))
178 report_fatal_error(ec.message());
182 uint64_t LLVMGetSymbolAddress(LLVMSymbolIteratorRef SI) {
184 if (std::error_code ec = (*unwrap(SI))->getAddress(ret))
185 report_fatal_error(ec.message());
189 uint64_t LLVMGetSymbolSize(LLVMSymbolIteratorRef SI) {
191 if (std::error_code ec = (*unwrap(SI))->getSize(ret))
192 report_fatal_error(ec.message());
196 // RelocationRef accessors
197 uint64_t LLVMGetRelocationAddress(LLVMRelocationIteratorRef RI) {
199 if (std::error_code ec = (*unwrap(RI))->getAddress(ret))
200 report_fatal_error(ec.message());
204 uint64_t LLVMGetRelocationOffset(LLVMRelocationIteratorRef RI) {
206 if (std::error_code ec = (*unwrap(RI))->getOffset(ret))
207 report_fatal_error(ec.message());
211 LLVMSymbolIteratorRef LLVMGetRelocationSymbol(LLVMRelocationIteratorRef RI) {
212 symbol_iterator ret = (*unwrap(RI))->getSymbol();
213 return wrap(new symbol_iterator(ret));
216 uint64_t LLVMGetRelocationType(LLVMRelocationIteratorRef RI) {
218 if (std::error_code ec = (*unwrap(RI))->getType(ret))
219 report_fatal_error(ec.message());
223 // NOTE: Caller takes ownership of returned string.
224 const char *LLVMGetRelocationTypeName(LLVMRelocationIteratorRef RI) {
225 SmallVector<char, 0> ret;
226 if (std::error_code ec = (*unwrap(RI))->getTypeName(ret))
227 report_fatal_error(ec.message());
229 char *str = static_cast<char*>(malloc(ret.size()));
230 std::copy(ret.begin(), ret.end(), str);
234 // NOTE: Caller takes ownership of returned string.
235 const char *LLVMGetRelocationValueString(LLVMRelocationIteratorRef RI) {
236 SmallVector<char, 0> ret;
237 if (std::error_code ec = (*unwrap(RI))->getValueString(ret))
238 report_fatal_error(ec.message());
240 char *str = static_cast<char*>(malloc(ret.size()));
241 std::copy(ret.begin(), ret.end(), str);