From def3218714ead504ddc1b6a1921f726d8667c8ce Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C5=99emysl=20Janouch?= Date: Thu, 19 Jan 2017 01:22:30 +0100 Subject: gdb-experiment.go: add DWARF debugging information Now we can debug compiled Brainfuck! --- README.adoc | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'README.adoc') diff --git a/README.adoc b/README.adoc index 5944529..2302dda 100644 --- a/README.adoc +++ b/README.adoc @@ -35,6 +35,18 @@ When no input file is specified, standard input is used. Similarly, the default output filename is `a.out`. After the compilation, the resulting file can be run on the target platform. +gdb +--- +You may have noticed the `gdb-experiment.go` file. It is a non-optimizing +version of the compiler targeting Linux only that adds DWARF debugging +information mapping code locations onto lines in the `ir-dump.txt` byproduct +output file. It's been rewritten in Go since managing all those binary buffers +required to build the symbol table proved to be too painful in C. + + $ go run gdb-experiment.go [INPUT-FILE] [OUTPUT-FILE] + +Use `break *0x4000b7` to get a breakpoint at the first Brainfuck instruction. + Contributing and Support ------------------------ Use this project's GitHub to report any bugs, request features, or submit pull -- cgit v1.2.3