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Expand the coverage of the libObject C bindings to include more SectionRef accessors as well as Symbol iterators. 

llvm-svn: 142661
This commit is contained in:
Owen Anderson 2011-10-21 17:50:59 +00:00
parent 5e00bb5feb
commit f239db40d5
2 changed files with 100 additions and 2 deletions
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33
llvm/include/llvm-c/Object.h
View File

@ -28,23 +28,42 @@
extern "C" {
#endif
// Opaque type wrappers
typedef struct LLVMOpaqueObjectFile *LLVMObjectFileRef;
typedef struct LLVMOpaqueSectionIterator *LLVMSectionIteratorRef;
typedef struct LLVMOpauqeSymbolIterator *LLVMSymbolIteratorRef;
// ObjectFile creation
LLVMObjectFileRef LLVMCreateObjectFile(LLVMMemoryBufferRef MemBuf);
void LLVMDisposeObjectFile(LLVMObjectFileRef ObjectFile);
// ObjectFile Section iterators
LLVMSectionIteratorRef LLVMGetSections(LLVMObjectFileRef ObjectFile);
void LLVMDisposeSectionIterator(LLVMSectionIteratorRef SI);
LLVMBool LLVMIsSectionIteratorAtEnd(LLVMObjectFileRef ObjectFile,
LLVMSectionIteratorRef SI);
void LLVMMoveToNextSection(LLVMSectionIteratorRef SI);
// ObjectFile Symbol iterators
LLVMSymbolIteratorRef LLVMGetSymbols(LLVMObjectFileRef ObjectFile);
void LLVMDisposeSymbolIterator(LLVMSymbolIteratorRef SI);
LLVMBool LLVMIsSymbolIteratorAtEnd(LLVMObjectFileRef ObjectFile,
LLVMSymbolIteratorRef SI);
void LLVMMoveToNextSymbol(LLVMSymbolIteratorRef SI);
// SectionRef accessors
const char *LLVMGetSectionName(LLVMSectionIteratorRef SI);
uint64_t LLVMGetSectionSize(LLVMSectionIteratorRef SI);
const char *LLVMGetSectionContents(LLVMSectionIteratorRef SI);
uint64_t LLVMGetSectionAddress(LLVMSectionIteratorRef SI);
int LLVMGetSectionContainsSymbol(LLVMSectionIteratorRef SI,
LLVMSymbolIteratorRef Sym);
// SymbolRef accessors
const char *LLVMGetSymbolName(LLVMSymbolIteratorRef SI);
uint64_t LLVMGetSymbolAddress(LLVMSymbolIteratorRef SI);
uint64_t LLVMGetSymbolOffset(LLVMSymbolIteratorRef SI);
uint64_t LLVMGetSymbolSize(LLVMSymbolIteratorRef SI);
#ifdef __cplusplus
}
@ -68,6 +87,16 @@ namespace llvm {
return reinterpret_cast<LLVMSectionIteratorRef>
(const_cast<section_iterator*>(SI));
}
inline symbol_iterator *unwrap(LLVMSymbolIteratorRef SI) {
return reinterpret_cast<symbol_iterator*>(SI);
}
inline LLVMSymbolIteratorRef
wrap(const symbol_iterator *SI) {
return reinterpret_cast<LLVMSymbolIteratorRef>
(const_cast<symbol_iterator*>(SI));
}
}
}

69
llvm/lib/Object/Object.cpp
View File

@ -18,6 +18,7 @@
using namespace llvm;
using namespace object;
// ObjectFile creation
LLVMObjectFileRef LLVMCreateObjectFile(LLVMMemoryBufferRef MemBuf) {
return wrap(ObjectFile::createObjectFile(unwrap(MemBuf)));
}
@ -26,6 +27,7 @@ void LLVMDisposeObjectFile(LLVMObjectFileRef ObjectFile) {
delete unwrap(ObjectFile);
}
// ObjectFile Section iterators
LLVMSectionIteratorRef LLVMGetSections(LLVMObjectFileRef ObjectFile) {
section_iterator SI = unwrap(ObjectFile)->begin_sections();
return wrap(new section_iterator(SI));
@ -46,6 +48,28 @@ void LLVMMoveToNextSection(LLVMSectionIteratorRef SI) {
if (ec) report_fatal_error("LLVMMoveToNextSection failed: " + ec.message());
}
// ObjectFile Symbol iterators
LLVMSymbolIteratorRef LLVMGetSymbols(LLVMObjectFileRef ObjectFile) {
symbol_iterator SI = unwrap(ObjectFile)->begin_symbols();
return wrap(new symbol_iterator(SI));
}
void LLVMDisposeSymbolIterator(LLVMSymbolIteratorRef SI) {
delete unwrap(SI);
}
LLVMBool LLVMIsSymbolIteratorAtEnd(LLVMObjectFileRef ObjectFile,
LLVMSymbolIteratorRef SI) {
return (*unwrap(SI) == unwrap(ObjectFile)->end_symbols()) ? 1 : 0;
}
void LLVMMoveToNextSymbol(LLVMSymbolIteratorRef SI) {
error_code ec;
unwrap(SI)->increment(ec);
if (ec) report_fatal_error("LLVMMoveToNextSymbol failed: " + ec.message());
}
// SectionRef accessors
const char *LLVMGetSectionName(LLVMSectionIteratorRef SI) {
StringRef ret;
if (error_code ec = (*unwrap(SI))->getName(ret))
@ -66,3 +90,48 @@ const char *LLVMGetSectionContents(LLVMSectionIteratorRef SI) {
report_fatal_error(ec.message());
return ret.data();
}
uint64_t LLVMGetSectionAddress(LLVMSectionIteratorRef SI) {
uint64_t ret;
if (error_code ec = (*unwrap(SI))->getAddress(ret))
report_fatal_error(ec.message());
return ret;
}
int LLVMGetSectionContainsSymbol(LLVMSectionIteratorRef SI,
LLVMSymbolIteratorRef Sym) {
bool ret;
if (error_code ec = (*unwrap(SI))->containsSymbol(**unwrap(Sym), ret))
report_fatal_error(ec.message());
return ret;
}
// SymbolRef accessors
const char *LLVMGetSymbolName(LLVMSymbolIteratorRef SI) {
StringRef ret;
if (error_code ec = (*unwrap(SI))->getName(ret))
report_fatal_error(ec.message());
return ret.data();
}
uint64_t LLVMGetSymbolAddress(LLVMSymbolIteratorRef SI) {
uint64_t ret;
if (error_code ec = (*unwrap(SI))->getAddress(ret))
report_fatal_error(ec.message());
return ret;
}
uint64_t LLVMGetSymbolOffset(LLVMSymbolIteratorRef SI) {
uint64_t ret;
if (error_code ec = (*unwrap(SI))->getOffset(ret))
report_fatal_error(ec.message());
return ret;
}
uint64_t LLVMGetSymbolSize(LLVMSymbolIteratorRef SI) {
uint64_t ret;
if (error_code ec = (*unwrap(SI))->getSize(ret))
report_fatal_error(ec.message());
return ret;
}