gdb/rust symbols

new output with verbose

(gdb) set verbose
(gdb) b main
Breakpoint 1 at 0x100000e70
(gdb) r foo.rs --out-dir ./bar/baz
Starting program: /Users/chris/Code/rust/x86_64-apple-darwin/stage1/bin/rustc foo.rs --out-dir ./bar/baz
warning: platform-specific solib_create_inferior_hook did not load initial shared libraries.

# this is on os x

screenshot

#gdb commands -- run from ~/Code/rust
# the rlib for rustc located at /.x86_64-apple-darwin/stage1/lib/rustlib/x86_64-apple-darwin/lib/librustc.... 
# has been untarred into /.x86_64-apple-darwin/stage1/lib/rustlib/x86_64-apple-darwin/lib/test

(gdb) exec-file ./x86_64-apple-darwin/stage1/bin/rustc                      
(gdb) symbol-file /.x86_64-apple-darwin/stage1/lib/rustlib/x86_64-apple-darwin/lib/test/rustc.o
(gdb) run ./src/test/run-make/com_test/foo.rs --out-dir ./bar/baz

# when this is run I'm able to set breakpoints on the using the symbols from rustc.o, however, 
#it looks like gdb can't actually use them, e.g. 

(gdb) b rustc::back::link::WriteOutputFile 
Cannot access memory at address 0x6d2af0

http://stackoverflow.com/questions/15871885/how-to-debug-rust-programs