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| author | Kartik Agaram <vc@akkartik.com> | 2018-10-10 19:51:20 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2018-10-10 20:54:15 -0700 |
| commit | 8950915a007f78c427f176609678c50ef9923e5b (patch) | |
| tree | dbe10980201791f98d7ed02944c98d1defec38be /subx/036global_variables.cc | |
| parent | 2a15acd51025c9a6e63865b6ba7b3fbbd4bdd802 (diff) | |
| download | mu-8950915a007f78c427f176609678c50ef9923e5b.tar.gz | |
4678
A debugging aid: 'subx --map translate' dumps a mapping from functions to addresses to a file called "map", and 'subx --map run' loads the mapping in "map", augmenting debug traces. Let's see how much this helps. Debugging machine code has been pretty painful lately.
Diffstat (limited to 'subx/036global_variables.cc')
| -rw-r--r-- | subx/036global_variables.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/subx/036global_variables.cc b/subx/036global_variables.cc index a5e15369..5281b545 100644 --- a/subx/036global_variables.cc +++ b/subx/036global_variables.cc @@ -47,8 +47,8 @@ void compute_addresses_for_global_variables(const segment& s, map<string, uint32 if (trace_contains_errors()) return; if (j > 0) raise << "'" << to_string(inst) << "': global variable names can only be the first word in a line.\n" << end(); - if (Dump_map) - cerr << "0x" << HEXWORD << current_address << ' ' << variable << '\n'; + if (Map_file.is_open()) + Map_file << "0x" << HEXWORD << current_address << ' ' << variable << '\n'; put(address, variable, current_address); trace(99, "transform") << "global variable '" << variable << "' is at address 0x" << HEXWORD << current_address << end(); // no modifying current_address; global variable definitions won't be in the final binary |