abi.cpp revision 10e23eebca4175a8dfe3a788b2bebacb1fcfce54 
1/**
2 * @file abi.cpp
3 *
4 * @remark Copyright 2002 OProfile authors
5 * @remark Read the file COPYING
6 *
7 * @author Graydon Hoare
8 * @author John Levon
9 * @author Philippe Elie
10 */
11
12#include "abi.h"
13#include "op_abi.h"
14#include "odb.h"
15#include "op_sample_file.h"
16
17#include <iostream>
18#include <cassert>
19
20using namespace std;
21
22typedef map<string, int> abi_map;
23typedef abi_map::const_iterator abi_iter;
24
25abi_exception::abi_exception(string const d) : desc(d) {}
26
27
28abi::abi()
29{
30	op_abi_entry const * entry = get_abi();
31	for ( ; entry->name != 0; ++entry)
32		slots[entry->name] = entry->offset;
33
34	slots["little_endian"] = op_little_endian();
35}
36
37
38int abi::need(string const key) const throw (abi_exception)
39{
40	if (slots.find(key) != slots.end())
41		return slots.find(key)->second;
42	else
43		throw abi_exception(string("missing ABI key: ") + key);
44}
45
46
47bool abi::operator==(abi const & other) const
48{
49	return slots == other.slots;
50}
51
52
53ostream & operator<<(ostream & o, abi const & abi)
54{
55	abi_iter i = abi.slots.begin();
56	abi_iter e = abi.slots.end();
57
58	for (; i != e; ++i)
59		o << i->first << " " << i->second << endl;
60
61	return o;
62}
63
64
65istream & operator>>(istream & i, abi & abi)
66{
67	string key;
68	int val;
69	abi.slots.clear();
70
71	while(i >> key >> val)
72		abi.slots[key] = val;
73
74	return i;
75}
76