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 ErrorOr<ObjectFile*> ObjOrErr(ObjectFile::createObjectFile(unwrap(MemBuf)));
63 ObjectFile *Obj = ObjOrErr ? ObjOrErr.get() : nullptr;
67 void LLVMDisposeObjectFile(LLVMObjectFileRef ObjectFile) {
68 delete unwrap(ObjectFile);
71 // ObjectFile Section iterators
72 LLVMSectionIteratorRef LLVMGetSections(LLVMObjectFileRef ObjectFile) {
73 section_iterator SI = unwrap(ObjectFile)->section_begin();
74 return wrap(new section_iterator(SI));
77 void LLVMDisposeSectionIterator(LLVMSectionIteratorRef SI) {
81 LLVMBool LLVMIsSectionIteratorAtEnd(LLVMObjectFileRef ObjectFile,
82 LLVMSectionIteratorRef SI) {
83 return (*unwrap(SI) == unwrap(ObjectFile)->section_end()) ? 1 : 0;
86 void LLVMMoveToNextSection(LLVMSectionIteratorRef SI) {
90 void LLVMMoveToContainingSection(LLVMSectionIteratorRef Sect,
91 LLVMSymbolIteratorRef Sym) {
92 if (error_code ec = (*unwrap(Sym))->getSection(*unwrap(Sect)))
93 report_fatal_error(ec.message());
96 // ObjectFile Symbol iterators
97 LLVMSymbolIteratorRef LLVMGetSymbols(LLVMObjectFileRef ObjectFile) {
98 symbol_iterator SI = unwrap(ObjectFile)->symbol_begin();
99 return wrap(new symbol_iterator(SI));
102 void LLVMDisposeSymbolIterator(LLVMSymbolIteratorRef SI) {
106 LLVMBool LLVMIsSymbolIteratorAtEnd(LLVMObjectFileRef ObjectFile,
107 LLVMSymbolIteratorRef SI) {
108 return (*unwrap(SI) == unwrap(ObjectFile)->symbol_end()) ? 1 : 0;
111 void LLVMMoveToNextSymbol(LLVMSymbolIteratorRef SI) {
115 // SectionRef accessors
116 const char *LLVMGetSectionName(LLVMSectionIteratorRef SI) {
118 if (error_code ec = (*unwrap(SI))->getName(ret))
119 report_fatal_error(ec.message());
123 uint64_t LLVMGetSectionSize(LLVMSectionIteratorRef SI) {
125 if (error_code ec = (*unwrap(SI))->getSize(ret))
126 report_fatal_error(ec.message());
130 const char *LLVMGetSectionContents(LLVMSectionIteratorRef SI) {
132 if (error_code ec = (*unwrap(SI))->getContents(ret))
133 report_fatal_error(ec.message());
137 uint64_t LLVMGetSectionAddress(LLVMSectionIteratorRef SI) {
139 if (error_code ec = (*unwrap(SI))->getAddress(ret))
140 report_fatal_error(ec.message());
144 LLVMBool LLVMGetSectionContainsSymbol(LLVMSectionIteratorRef SI,
145 LLVMSymbolIteratorRef Sym) {
147 if (error_code ec = (*unwrap(SI))->containsSymbol(**unwrap(Sym), ret))
148 report_fatal_error(ec.message());
152 // Section Relocation iterators
153 LLVMRelocationIteratorRef LLVMGetRelocations(LLVMSectionIteratorRef Section) {
154 relocation_iterator SI = (*unwrap(Section))->relocation_begin();
155 return wrap(new relocation_iterator(SI));
158 void LLVMDisposeRelocationIterator(LLVMRelocationIteratorRef SI) {
162 LLVMBool LLVMIsRelocationIteratorAtEnd(LLVMSectionIteratorRef Section,
163 LLVMRelocationIteratorRef SI) {
164 return (*unwrap(SI) == (*unwrap(Section))->relocation_end()) ? 1 : 0;
167 void LLVMMoveToNextRelocation(LLVMRelocationIteratorRef SI) {
172 // SymbolRef accessors
173 const char *LLVMGetSymbolName(LLVMSymbolIteratorRef SI) {
175 if (error_code ec = (*unwrap(SI))->getName(ret))
176 report_fatal_error(ec.message());
180 uint64_t LLVMGetSymbolAddress(LLVMSymbolIteratorRef SI) {
182 if (error_code ec = (*unwrap(SI))->getAddress(ret))
183 report_fatal_error(ec.message());
187 uint64_t LLVMGetSymbolSize(LLVMSymbolIteratorRef SI) {
189 if (error_code ec = (*unwrap(SI))->getSize(ret))
190 report_fatal_error(ec.message());
194 // RelocationRef accessors
195 uint64_t LLVMGetRelocationAddress(LLVMRelocationIteratorRef RI) {
197 if (error_code ec = (*unwrap(RI))->getAddress(ret))
198 report_fatal_error(ec.message());
202 uint64_t LLVMGetRelocationOffset(LLVMRelocationIteratorRef RI) {
204 if (error_code ec = (*unwrap(RI))->getOffset(ret))
205 report_fatal_error(ec.message());
209 LLVMSymbolIteratorRef LLVMGetRelocationSymbol(LLVMRelocationIteratorRef RI) {
210 symbol_iterator ret = (*unwrap(RI))->getSymbol();
211 return wrap(new symbol_iterator(ret));
214 uint64_t LLVMGetRelocationType(LLVMRelocationIteratorRef RI) {
216 if (error_code ec = (*unwrap(RI))->getType(ret))
217 report_fatal_error(ec.message());
221 // NOTE: Caller takes ownership of returned string.
222 const char *LLVMGetRelocationTypeName(LLVMRelocationIteratorRef RI) {
223 SmallVector<char, 0> ret;
224 if (error_code ec = (*unwrap(RI))->getTypeName(ret))
225 report_fatal_error(ec.message());
227 char *str = static_cast<char*>(malloc(ret.size()));
228 std::copy(ret.begin(), ret.end(), str);
232 // NOTE: Caller takes ownership of returned string.
233 const char *LLVMGetRelocationValueString(LLVMRelocationIteratorRef RI) {
234 SmallVector<char, 0> ret;
235 if (error_code ec = (*unwrap(RI))->getValueString(ret))
236 report_fatal_error(ec.message());
238 char *str = static_cast<char*>(malloc(ret.size()));
239 std::copy(ret.begin(), ret.end(), str);