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| author | Skip Montanaro <skip@pobox.com> | 2004-03-01 15:44:05 +0000 |
|---|---|---|
| committer | Skip Montanaro <skip@pobox.com> | 2004-03-01 15:44:05 +0000 |
| commit | 905460b2da211039da91a5a257c09b91679a132a (patch) | |
| tree | d5b8144b3789cff68439c1e128dc335795b82393 /Misc/gdbinit | |
| parent | cf71f0d6bb74e5725398a655632986b0ca0cd2fa (diff) | |
| download | cpython-905460b2da211039da91a5a257c09b91679a132a.tar.gz | |
Add pystack definition to Misc/gdbinit with some explanation of its behavior
and add flag comments to ceval.c and main.c alerting people to the coupling
between pystack and the layout of those files.
Diffstat (limited to 'Misc/gdbinit')
| -rw-r--r-- | Misc/gdbinit | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Misc/gdbinit b/Misc/gdbinit index 05f6a9151c..4790adae54 100644 --- a/Misc/gdbinit +++ b/Misc/gdbinit @@ -34,3 +34,26 @@ x/s ((PyStringObject*)f->f_code->co_filename)->ob_sval x/s ((PyStringObject*)f->f_code->co_name)->ob_sval p f->f_lineno end + +# Here's a somewhat fragile way to print the entire Python stack from gdb. +# It's fragile because the tests for the value of $pc depend on the layout +# of specific functions in the C source code. + +# Explanation of while and if tests: We want to pop up the stack until we +# land in Py_Main (this is probably an incorrect assumption in an embedded +# interpreter, but the test can be extended by an interested party). If +# Py_Main <= $pc <= Py_GetArgcArv is true $pc is in Py_Main(), so the while +# tests succeeds as long as it's not true. In a similar fashion the if +# statement tests to see if we are in eval_frame(). + +define pystack + while $pc < Py_Main || $pc > Py_GetArgcArgv + if $pc > eval_frame && $pc < PyEval_EvalCodeEx + set $__fn = PyString_AsString(co->co_filename) + set $__n = PyString_AsString(co->co_name) + printf "%s (%d): %s\n", $__fn, f->f_lineno, $__n + end + up-silently 1 + end + select-frame 0 +end |