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Implement GDB integration for source level debugging of code JITed using

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the MCJIT execution engine.

The GDB JIT debugging integration support works by registering a loaded
object image with a pre-defined function that GDB will monitor if GDB
is attached. GDB integration support is implemented for ELF only at this
time. This integration requires GDB version 7.0 or newer.

Patch by Andy Kaylor!

 

llvm-svn: 154868
This commit is contained in:
Preston Gurd
2012-04-16 22:12:58 +00:00
parent 1f5580b6f3
commit cc31af9328
9 changed files with 235 additions and 34 deletions
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10
llvm/lib/Object/ELFObjectFile.cpp
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@@ -17,16 +17,6 @@ namespace llvm {
using namespace object;
namespace {
std::pair<unsigned char, unsigned char>
getElfArchType(MemoryBuffer *Object) {
if (Object->getBufferSize() < ELF::EI_NIDENT)
return std::make_pair((uint8_t)ELF::ELFCLASSNONE,(uint8_t)ELF::ELFDATANONE);
return std::make_pair( (uint8_t)Object->getBufferStart()[ELF::EI_CLASS]
, (uint8_t)Object->getBufferStart()[ELF::EI_DATA]);
}
}
// Creates an in-memory object-file by default: createELFObjectFile(Buffer)
ObjectFile *ObjectFile::createELFObjectFile(MemoryBuffer *Object) {
std::pair<unsigned char, unsigned char> Ident = getElfArchType(Object);