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Allow gdb to search source path for required files

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When doing out-of-source builds I often end up wanting to use gdb from
inside a build directory.

Currently if I do that the `.gdbinit` in the ruby source directory is
not read.

Attempting to manually load the `.gdbinit` from the Ruby source
directory errors because of hard coded file-paths that assume we're
running gdb from inside the source tree.

Adding the `-s` flag to the `source` command when loading relative files
signals to gdb to search in the source search path for the required
file, rather than just the current directory.

This allows me to use a custom `.gdbinit` from my build directory that
sets the correct source directory and then loads the Ruby `.gdbinit`.

```
dir ../src
source ../src/.gdbinit
```
This commit is contained in:
Matt Valentine-House 2024-06-10 16:41:12 +01:00
parent 47322b592a
commit ad9fe6f376
1 changed files with 1 additions and 1 deletions
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.gdbinit
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@ -1344,4 +1344,4 @@ define print_flags
printf "RUBY_FL_USER18 : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER18 ? "1" : "0" printf "RUBY_FL_USER18 : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER18 ? "1" : "0"
end end
source misc/gdb.py source -s misc/gdb.py