#include "bkptmanager.h"

#define REG_PC 15
struct unknown_bpt {
    unknown_bpt(VirtualAddress va) : _va(va) { }
    ~unknown_bpt() { printf("unknown bpt: %08lx:%08lx\n", _va.proc->pid(), _va.vaddr); }

    VirtualAddress _va;
};
void breakpoint_manager::reg_bpt(VirtualAddress bpaddr, breakpoint_action* action)
{
    std::pair<breakpointmap_t::iterator,bool> i= _bpts.insert(breakpointmap_t::value_type(bpaddr, breakpoint_action_ptr(action)));
    printf("new breakpoint: %d %d %08lx:%08lx - %s\n", i.second, (*i.first).second->type(),
            (*i.first).first.proc->pid(), (*i.first).first.vaddr,
            (*i.first).second->description().c_str());
}
void breakpoint_manager::del_bpt(VirtualAddress bpaddr)
{
    // todo: use pid
    breakpointmap_t::iterator i= _bpts.find(bpaddr);
    if (i==_bpts.end()) {
        printf(" could not del bpt for %08lx:%08lx\n", bpaddr.proc->pid(), bpaddr.vaddr);
        return;
    }
    printf("deleted breakpoint: %d %08lx:%08lx - %s\n", (*i).second->type(),
            (*i).first.proc->pid(), (*i).first.vaddr,
            (*i).second->description().c_str());
    _bpts.erase(i);
}


void breakpoint_manager::handle_bpt(ThreadContext& td)
{
    VirtualAddress va= VirtualAddress(td.proc(), td.getreg(REG_PC));

    breakpointmap_t::iterator i= _bpts.find(va);
    if (i==_bpts.end())
        throw unknown_bpt(va);

    printf("handling bpt %d %08lx:%08lx - %s\n", (*i).second->type(),
            (*i).first.proc->pid(), (*i).first.vaddr,
            (*i).second->description().c_str());
    (*i).second->action();
    if ((*i).second->temporary())
        _bpts.erase(i);
}