https://github.com/akkartik/mu/blob/master/subx/039debug.cc
1
2
3
4
5
6 :(before "End Globals")
7 map<uint32_t, string> Symbol_name;
8 :(before "End --map Settings")
9 load_map("map");
10 :(code)
11 void load_map(const string& map_filename) {
12 ifstream fin(map_filename.c_str());
13 fin >> std::hex;
14 while (has_data(fin)) {
15 uint32_t addr = 0;
16 fin >> addr;
17 string name;
18 fin >> name;
19 put(Symbol_name, addr, name);
20 }
21 }
22
23 :(after "Run One Instruction")
24 if (contains_key(Symbol_name, EIP))
25 trace(Callstack_depth, "run") << "== label " << get(Symbol_name, EIP) << end();
26
27
28
29
30
31 :(after "Run One Instruction")
32 dump_watch_points();
33 :(before "End Globals")
34 map<string, uint32_t> Watch_points;
35 :(before "End Reset")
36 Watch_points.clear();
37 :(code)
38 void dump_watch_points() {
39 if (Watch_points.empty()) return;
40 dbg << "watch points:" << end();
41 for (map<string, uint32_t>::iterator p = Watch_points.begin(); p != Watch_points.end(); ++p)
42 dbg << " " << p->first << ": " << HEXWORD << p->second << " -> " << HEXWORD << read_mem_u32(p->second) << end();
43 }
44
45 :(before "End Globals")
46 string Watch_this_effective_address;
47 :(after "Run One Instruction")
48 Watch_this_effective_address = "";
49 if (contains_key(Symbol_name, EIP) && starts_with(get(Symbol_name, EIP), "$watch-"))
50 Watch_this_effective_address = get(Symbol_name, EIP);
51 :(after "Found effective_address(addr)")
52 if (!Watch_this_effective_address.empty()) {
53 dbg << "now watching " << HEXWORD << addr << " for " << Watch_this_effective_address << end();
54 put(Watch_points, Watch_this_effective_address, addr);
55 }