abi.cpp

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#include "abi.h"
#include "op_abi.h"
#include "odb.h"
#include "op_sample_file.h"

#include <iostream>
#include <cassert>

using namespace std;

typedef map<string, int> abi_map;
typedef abi_map::const_iterator abi_iter;

abi_exception::abi_exception(string const d) : desc(d) {}


abi::abi()
{
    op_abi_entry const * entry = get_abi();
    for ( ; entry->name != 0; ++entry)
        slots[entry->name] = entry->offset;

    slots["little_endian"] = op_little_endian();
}


int abi::need(string const key) const throw (abi_exception)
{
    if (slots.find(key) != slots.end())
        return slots.find(key)->second;
    else
        throw abi_exception(string("missing ABI key: ") + key);
}


bool abi::operator==(abi const & other) const
{
    return slots == other.slots;
}


ostream & operator<<(ostream & o, abi const & abi)
{
    abi_iter i = abi.slots.begin();
    abi_iter e = abi.slots.end();

    for (; i != e; ++i)
        o << i->first << " " << i->second << endl;

    return o;
}


istream & operator>>(istream & i, abi & abi)
{
    string key;
    int val;
    abi.slots.clear();

    while(i >> key >> val)
        abi.slots[key] = val;

    return i;
}