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use doxygen comments for makeBuffer() 

llvm-svn: 50908
This commit is contained in:
Nick Kledzik 2008-05-09 18:44:41 +00:00
parent 82e8d07b02
commit db18f328d7
1 changed files with 4 additions and 4 deletions
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8
llvm/tools/lto2/LTOModule.cpp
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@ -91,12 +91,12 @@ LTOModule* LTOModule::makeLTOModule(const char* path, std::string& errMsg)
return makeLTOModule(buffer.get(), errMsg); return makeLTOModule(buffer.get(), errMsg);
} }
/// makeBuffer - create a MemoryBuffer from a memory range.
/// MemoryBuffer requires the byte past end of the buffer to be a zero.
/// We might get lucky and already be that way, otherwise make a copy.
/// Also if next byte is on a different page, don't assume it is readable.
MemoryBuffer* LTOModule::makeBuffer(const void* mem, size_t length) MemoryBuffer* LTOModule::makeBuffer(const void* mem, size_t length)
{ {
// MemoryBuffer requires the byte past end of the buffer to be a zero.
// We might get lucky and already be that way, otherwise make a copy.
// Also if next byte is on a different page, don't assume it is readable.
const char* startPtr = (char*)mem; const char* startPtr = (char*)mem;
const char* endPtr = startPtr+length; const char* endPtr = startPtr+length;
if ( (((uintptr_t)endPtr & (sys::Process::GetPageSize()-1)) == 0) if ( (((uintptr_t)endPtr & (sys::Process::GetPageSize()-1)) == 0)