typeinfo.cc revision 227973 
1#include "typeinfo.h"
2#include <string.h>
3#include <stdlib.h>
4#include <stdio.h>
5
6using std::type_info;
7
8type_info::~type_info() {}
9
10bool type_info::operator==(const type_info &other) const
11{
12	return __type_name == other.__type_name;
13}
14bool type_info::operator!=(const type_info &other) const
15{
16	return __type_name != other.__type_name;
17}
18bool type_info::before(const type_info &other) const
19{
20	return __type_name < other.__type_name;
21}
22const char* type_info::name() const
23{
24	return __type_name;
25}
26type_info::type_info (const type_info& rhs)
27{
28	__type_name = rhs.__type_name;
29}
30type_info& type_info::operator= (const type_info& rhs)
31{
32	return *new type_info(rhs);
33}
34
35ABI_NAMESPACE::__fundamental_type_info::~__fundamental_type_info() {}
36ABI_NAMESPACE::__array_type_info::~__array_type_info() {}
37ABI_NAMESPACE::__function_type_info::~__function_type_info() {}
38ABI_NAMESPACE::__enum_type_info::~__enum_type_info() {}
39ABI_NAMESPACE::__class_type_info::~__class_type_info() {}
40ABI_NAMESPACE::__si_class_type_info::~__si_class_type_info() {}
41ABI_NAMESPACE::__vmi_class_type_info::~__vmi_class_type_info() {}
42ABI_NAMESPACE::__pbase_type_info::~__pbase_type_info() {}
43ABI_NAMESPACE::__pointer_type_info::~__pointer_type_info() {}
44ABI_NAMESPACE::__pointer_to_member_type_info::~__pointer_to_member_type_info() {}
45
46// From libelftc
47extern "C" char    *__cxa_demangle_gnu3(const char *);
48
49extern "C" char* __cxa_demangle(const char* mangled_name,
50                                char* buf,
51                                size_t* n,
52                                int* status)
53{
54	// TODO: We should probably just be linking against libelf-tc, rather than
55	// copying their code.  This requires them to do an actual release,
56	// however, and for our changes to be pushed upstream.  We also need to
57	// call a different demangling function here depending on the ABI (e.g.
58	// ARM).
59	char *demangled = __cxa_demangle_gnu3(mangled_name);
60	if (NULL != demangled)
61	{
62		size_t len = strlen(demangled);
63		buf = (char*)realloc(buf, len+1);
64		if (0 != buf)
65		{
66			memcpy(buf, demangled, len);
67			buf[len] = 0;
68			*n = len;
69			*status = 0;
70		}
71		else
72		{
73			*status = -1;
74		}
75		free(demangled);
76	}
77	else
78	{
79		*status = -2;
80		return NULL;
81	}
82	return buf;
83}
84