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 ObjectFile *unwrap(LLVMObjectFileRef OF) {
23 return reinterpret_cast<ObjectFile*>(OF);
26 inline LLVMObjectFileRef wrap(const ObjectFile *OF) {
27 return reinterpret_cast<LLVMObjectFileRef>(const_cast<ObjectFile*>(OF));
30 inline section_iterator *unwrap(LLVMSectionIteratorRef SI) {
31 return reinterpret_cast<section_iterator*>(SI);
34 inline LLVMSectionIteratorRef
35 wrap(const section_iterator *SI) {
36 return reinterpret_cast<LLVMSectionIteratorRef>
37 (const_cast<section_iterator*>(SI));
40 inline symbol_iterator *unwrap(LLVMSymbolIteratorRef SI) {
41 return reinterpret_cast<symbol_iterator*>(SI);
44 inline LLVMSymbolIteratorRef
45 wrap(const symbol_iterator *SI) {
46 return reinterpret_cast<LLVMSymbolIteratorRef>
47 (const_cast<symbol_iterator*>(SI));
50 inline relocation_iterator *unwrap(LLVMRelocationIteratorRef SI) {
51 return reinterpret_cast<relocation_iterator*>(SI);
54 inline LLVMRelocationIteratorRef
55 wrap(const relocation_iterator *SI) {
56 return reinterpret_cast<LLVMRelocationIteratorRef>
57 (const_cast<relocation_iterator*>(SI));
60 // ObjectFile creation
61 LLVMObjectFileRef LLVMCreateObjectFile(LLVMMemoryBufferRef MemBuf) {
62 std::unique_ptr<MemoryBuffer> Buf(unwrap(MemBuf));
63 ErrorOr<ObjectFile *> ObjOrErr(ObjectFile::createObjectFile(Buf));
65 ObjectFile *Obj = ObjOrErr ? ObjOrErr.get() : nullptr;
69 void LLVMDisposeObjectFile(LLVMObjectFileRef ObjectFile) {
70 delete unwrap(ObjectFile);
73 // ObjectFile Section iterators
74 LLVMSectionIteratorRef LLVMGetSections(LLVMObjectFileRef ObjectFile) {
75 section_iterator SI = unwrap(ObjectFile)->section_begin();
76 return wrap(new section_iterator(SI));
79 void LLVMDisposeSectionIterator(LLVMSectionIteratorRef SI) {
83 LLVMBool LLVMIsSectionIteratorAtEnd(LLVMObjectFileRef ObjectFile,
84 LLVMSectionIteratorRef SI) {
85 return (*unwrap(SI) == unwrap(ObjectFile)->section_end()) ? 1 : 0;
88 void LLVMMoveToNextSection(LLVMSectionIteratorRef SI) {
92 void LLVMMoveToContainingSection(LLVMSectionIteratorRef Sect,
93 LLVMSymbolIteratorRef Sym) {
94 if (std::error_code ec = (*unwrap(Sym))->getSection(*unwrap(Sect)))
95 report_fatal_error(ec.message());
98 // ObjectFile Symbol iterators
99 LLVMSymbolIteratorRef LLVMGetSymbols(LLVMObjectFileRef ObjectFile) {
100 symbol_iterator SI = unwrap(ObjectFile)->symbol_begin();
101 return wrap(new symbol_iterator(SI));
104 void LLVMDisposeSymbolIterator(LLVMSymbolIteratorRef SI) {
108 LLVMBool LLVMIsSymbolIteratorAtEnd(LLVMObjectFileRef ObjectFile,
109 LLVMSymbolIteratorRef SI) {
110 return (*unwrap(SI) == unwrap(ObjectFile)->symbol_end()) ? 1 : 0;
113 void LLVMMoveToNextSymbol(LLVMSymbolIteratorRef SI) {
117 // SectionRef accessors
118 const char *LLVMGetSectionName(LLVMSectionIteratorRef SI) {
120 if (std::error_code ec = (*unwrap(SI))->getName(ret))
121 report_fatal_error(ec.message());
125 uint64_t LLVMGetSectionSize(LLVMSectionIteratorRef SI) {
127 if (std::error_code ec = (*unwrap(SI))->getSize(ret))
128 report_fatal_error(ec.message());
132 const char *LLVMGetSectionContents(LLVMSectionIteratorRef SI) {
134 if (std::error_code ec = (*unwrap(SI))->getContents(ret))
135 report_fatal_error(ec.message());
139 uint64_t LLVMGetSectionAddress(LLVMSectionIteratorRef SI) {
141 if (std::error_code ec = (*unwrap(SI))->getAddress(ret))
142 report_fatal_error(ec.message());
146 LLVMBool LLVMGetSectionContainsSymbol(LLVMSectionIteratorRef SI,
147 LLVMSymbolIteratorRef Sym) {
149 if (std::error_code ec = (*unwrap(SI))->containsSymbol(**unwrap(Sym), ret))
150 report_fatal_error(ec.message());
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);