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//:: Some helpers for debugging.
//: Load the 'map' file generated during 'subx --map translate' when running 'subx --map --dump run'.
//: (It'll only affect the trace.)
:(before "End Globals")
map</*address*/uint32_t, string> Symbol_name; // used only by 'subx run'
:(before "End --map Settings")
load_map("map");
:(code)
void load_map(const string& map_filename) {
ifstream fin(map_filename.c_str());
fin >> std::hex;
while (has_data(fin)) {
uint32_t addr = 0;
fin >> addr;
string name;
fin >> name;
put(Symbol_name, addr, name);
}
}
:(after "Run One Instruction")
if (contains_key(Symbol_name, EIP))
trace(90, "run") << "== label " << get(Symbol_name, EIP) << end();
//: If a label starts with '$watch-', make a note of the effective address
//: computed by the next instruction. Start dumping out its contents to the
//: trace after every subsequent instruction.
:(after "Run One Instruction")
dump_watch_points();
:(before "End Globals")
map<string, uint32_t> Watch_points;
:(before "End Reset")
Watch_points.clear();
:(code)
void dump_watch_points() {
if (Watch_points.empty()) return;
dbg << "watch points:" << end();
for (map<string, uint32_t>::iterator p = Watch_points.begin(); p != Watch_points.end(); ++p)
dbg << " " << p->first << ": " << HEXWORD << p->second << " -> " << HEXWORD << read_mem_u32(p->second) << end();
}
:(before "End Globals")
string Watch_this_effective_address;
:(after "Run One Instruction")
Watch_this_effective_address = "";
if (contains_key(Symbol_name, EIP) && starts_with(get(Symbol_name, EIP), "$watch-"))
Watch_this_effective_address = get(Symbol_name, EIP);
:(after "Found effective_address(addr)")
if (!Watch_this_effective_address.empty()) {
dbg << "now watching " << HEXWORD << addr << " for " << Watch_this_effective_address << end();
put(Watch_points, Watch_this_effective_address, addr);
}
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