/usr/include/hphp/util/abi-cxx.h is in hhvm-dev 3.11.1+dfsg-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | /*
+----------------------------------------------------------------------+
| HipHop for PHP |
+----------------------------------------------------------------------+
| Copyright (c) 2010-2015 Facebook, Inc. (http://www.facebook.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
*/
#ifndef incl_HPHP_UTIL_ABI_CXX_H_
#define incl_HPHP_UTIL_ABI_CXX_H_
#include <inttypes.h>
#include <string>
namespace HPHP {
//////////////////////////////////////////////////////////////////////
/*
* Given a pointer to somewhere in a C++ function, returns that function's name
* or a hex string representation of the address if it can't find the
* function's name. Attempts to demangle C++ function names.
*/
std::string getNativeFunctionName(void* codeAddr);
template<typename Ret, typename... Args>
inline std::string getNativeFunctionName(Ret (*ptr)(Args...)) {
return getNativeFunctionName(reinterpret_cast<void*>(ptr));
}
/**
* Get the vtable offset corresponding to a method pointer. NB: only works
* for single inheritance. For no inheritance at all, use
* getMethodPtr. ABI-specific, don't play on or around.
*/
template <typename MethodPtr>
int64_t getVTableOffset(MethodPtr meth) {
union {
MethodPtr meth;
int64_t offset;
} u;
u.meth = meth;
return u.offset - 1;
}
template <typename MethodPtr>
union MethodPtrU {
MethodPtr meth;
void* ptr;
};
template <typename MethodPtr>
constexpr void* getMethodPtr(MethodPtr meth) {
return ((MethodPtrU<MethodPtr>*)(&meth))->ptr;
}
//////////////////////////////////////////////////////////////////////
}
#endif
|