FreeChainXenon/binutils-gdb
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions
binutils-gdb/gdb/testsuite/gdb.python/py-frame.exp
Tom Tromey a207f6b3a3 Rewrite "python" command exception handling 
The "python" command (and the Python implementation of the gdb
"source" command) does not handle Python exceptions in the same way as
other gdb-facing Python code.  In particular, exceptions are turned
into a generic error rather than being routed through
gdbpy_handle_exception, which takes care of converting to 'quit' as
appropriate.

I think this was done this way because PyRun_SimpleFile and friends do
not propagate the Python exception -- they simply indicate that one
occurred.

This patch reimplements these functions to respect the general gdb
convention here.  As a bonus, some Windows-specific code can be
removed, as can the _execute_file function.

The bulk of this change is tweaking the test suite to match the new
way that exceptions are displayed.  These changes are largely
uninteresting.  However, it's worth pointing out the py-error.exp
change.  Here, the failure changes because the test changes the host
charset to something that isn't supported by Python.  This then
results in a weird error in the new setup.

Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=31354
Acked-By: Tom de Vries <tdevries@suse.de>
Reviewed-By: Eli Zaretskii <eliz@gnu.org>
2024-02-27 09:46:31 -07:00

203 lines
8.8 KiB
Text
Raw Permalink Blame History

# Copyright (C) 2009-2024 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This file is part of the GDB testsuite. It tests the mechanism
# exposing values to Python.
load_lib gdb-python.exp
require allow_python_tests
standard_testfile
if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
return -1
}
# The following tests require execution.
if {![runto_main]} {
return 0
}
gdb_breakpoint [gdb_get_line_number "Block break here."]
gdb_continue_to_breakpoint "Block break here."
gdb_py_test_silent_cmd "python bf1 = gdb.selected_frame ()" "get frame" 0
# Test Frame.__repr__() method for a valid Frame object.
gdb_test "python print (repr(bf1))" "<gdb\\.Frame level=0 frame-id=\\{\[^\r\n\]+\\}>" \
"test __repr__ for gdb.Frame on a valid frame"
# Test Frame.architecture() method.
gdb_py_test_silent_cmd "python show_arch_str = gdb.execute(\"show architecture\", to_string=True)" "show arch" 0
gdb_test "python print (bf1.architecture().name() in show_arch_str)" "True" "test Frame.architecture()"
# First test that read_var is unaffected by PR 11036 changes.
gdb_test "python print (bf1.read_var(\"i\"))" "\"stuff\"" "test i"
gdb_test "python print (bf1.read_var(\"f\"))" "\"foo\"" "test f"
gdb_test "python print (bf1.read_var(\"b\"))" "\"bar\"" "test b"
# Check we can use a single named argument with read_var.
gdb_test "python print (bf1.read_var(variable = \"b\"))" "\"bar\"" \
"test b using named arguments"
# Test the read_var function in another block other than the current
# block (in this case, the super block). Test thar read_var is reading
# the correct variables of i and f but they are the correct value and type.
gdb_py_test_silent_cmd "python sb = bf1.block().superblock" "get superblock" 0
gdb_test "python print (bf1.read_var(\"i\", sb))" "1.1.*" "test i = 1.1"
gdb_test "python print (bf1.read_var(\"i\", sb).type)" "double" "test double i"
gdb_test "python print (bf1.read_var(\"f\", sb))" "2.2.*" "test f = 2.2"
gdb_test "python print (bf1.read_var(\"f\", sb).type)" "double" "test double f"
# Now test read_var with a variable and block using named arguments.
gdb_test "python print (bf1.read_var(block = sb, variable = \"i\"))" "1.1.*" \
"test i = 1.1 usign named arguments"
gdb_test "python print (bf1.read_var(block = sb, variable = \"f\"))" "2.2.*" \
"test f = 2.2 using named arguments"
# And again test another outerblock, this time testing "i" is the
# correct value and type.
gdb_py_test_silent_cmd "python sb = sb.superblock" "get superblock" 0
gdb_test "python print (bf1.read_var(\"i\", sb))" "99" "test i = 99"
gdb_test "python print (bf1.read_var(\"i\", sb).type)" "int" "test int i"
# Test what happens when we provide a block of the wrong type.
gdb_test "python print (bf1.read_var(\"i\", \"some_block\"))" \
[multi_line \
"TypeError.*: argument 2 must be gdb\\.Block, not str" \
"Error occurred in Python.*"] \
"check invalid block type error"
gdb_test "python print (bf1.read_var(block = \"some_block\", variable = \"i\"))" \
[multi_line \
"TypeError.*: argument 2 must be gdb\\.Block, not str" \
"Error occurred in Python.*"] \
"check invalid block type error when named args are used"
# Test what happens when we provide a variable of the wrong type.
gdb_test "python print (bf1.read_var(None))" \
[multi_line \
"TypeError.*: argument 1 must be gdb\\.Symbol or str, not NoneType" \
"Error occurred in Python.*"] \
"check read_var error when variable is None"
gdb_test "python print (bf1.read_var(sb))" \
[multi_line \
"TypeError.*: argument 1 must be gdb\\.Symbol or str, not gdb\\.Block" \
"Error occurred in Python.*"] \
"check read_var error when variable is a gdb.Block"
gdb_breakpoint "f2"
gdb_continue_to_breakpoint "breakpoint at f2"
gdb_py_test_silent_cmd "python bframe = gdb.selected_frame()" \
"get bottommost frame" 0
gdb_test "up" ".*" ""
# Test Frame.__repr__() method for an invalid Frame object.
gdb_test "python print (repr(bf1))" "<gdb\\.Frame \\(invalid\\)>" \
"test __repr__ for gdb.Frame on an invalid frame"
gdb_py_test_silent_cmd "python f1 = gdb.selected_frame ()" "get second frame" 0
gdb_py_test_silent_cmd "python f0 = f1.newer ()" "get first frame" 0
gdb_py_test_silent_cmd "python f2 = f1.older ()" "get last frame" 0
# Check the Frame.level method.
gdb_test "python print ('bframe.level = %d' % bframe.level ())" \
"bframe\\.level = 0"
gdb_test "python print ('f0.level = %d' % f0.level ())" \
"f0\\.level = 0"
gdb_test "python print ('f1.level = %d' % f1.level ())" \
"f1\\.level = 1"
gdb_test "python print ('f2.level = %d' % f2.level ())" \
"f2\\.level = 2"
gdb_test "python print (f1 == gdb.newest_frame())" False \
"selected frame -vs- newest frame"
gdb_test "python print (bframe == gdb.newest_frame())" True \
"newest frame -vs- newest frame"
gdb_test "python print ('result = %s' % (f0 == f1))" " = False" "test equality comparison (false)"
gdb_test "python print ('result = %s' % (f0 == f0))" " = True" "test equality comparison (true)"
gdb_test "python print ('result = %s' % (f0 != f1))" " = True" "test inequality comparison (true)"
gdb_test "python print ('result = %s' % (f0 != f0))" " = False" "test inequality comparison (false)"
gdb_test "python print ('result = %s' % f0.is_valid ())" " = True" "test Frame.is_valid"
gdb_test "python print ('result = %s' % f0.name ())" " = f2" "test Frame.name"
gdb_test "python print ('result = %s' % (f0.type () == gdb.NORMAL_FRAME))" " = True" "test Frame.type"
gdb_test "python print ('result = %s' % (f0.unwind_stop_reason () == gdb.FRAME_UNWIND_NO_REASON))" \
" = True" "test Frame.unwind_stop_reason"
gdb_test "python print ('result = %s' % gdb.frame_stop_reason_string (gdb.FRAME_UNWIND_INNER_ID))" " = previous frame inner to this frame \\(corrupt stack\\?\\)" "test gdb.frame_stop_reason_string"
gdb_test "python print ('result = %s' % f0.pc ())" " = \[0-9\]+" "test Frame.pc"
gdb_test "python print ('result = %s' % (f0.older () == f1))" " = True" "test Frame.older"
gdb_test "python print ('result = %s' % (f1.newer () == f0))" " = True" "test Frame.newer"
gdb_test "python print ('result = %s' % f0.read_var ('variable_which_surely_doesnt_exist'))" \
"ValueError.*: Variable 'variable_which_surely_doesnt_exist' not found.*Error occurred in Python.*" \
"test Frame.read_var - error"
gdb_test "python print ('result = %s' % f0.read_var ('a'))" " = 1" "test Frame.read_var - success"
gdb_test "python print ('result = %s' % (gdb.selected_frame () == f1))" " = True" "test gdb.selected_frame"
# Can read SP register.
gdb_test "python print ('result = %s' % (gdb.selected_frame ().read_register ('sp') == gdb.parse_and_eval ('\$sp')))" \
" = True" \
"test Frame.read_register(sp)"
# PC value obtained via read_register is as expected.
gdb_test "python print ('result = %s' % (f0.read_register('pc') == f0.pc()))" \
" = True" \
"test Frame.read_register(pc)"
# Repeat the previous test, but this time use named arguments for the
# read_register method call.
gdb_test "python print ('result = %s' % (f0.read_register(register = 'pc') == f0.pc()))" \
" = True" \
"test Frame.read_register() using named arguments"
# Test arch-specific register name.
set pc ""
if {[is_amd64_regs_target]} {
set pc "rip"
} elseif {[is_x86_like_target]} {
set pc "eip"
}
if { $pc != "" } {
gdb_test "python print ('result = %s' % (f0.read_register('pc') == f0.read_register('$pc')))" \
" = True" \
"test Frame.read_register($pc)"
}
# Test language.
gdb_test "python print(gdb.selected_frame().language())" "c"
gdb_test "set language ada"
gdb_test "python print(gdb.selected_frame().language())" "c" \
"frame language is not affected by global language"
# This previously caused a crash -- the implementation was missing the
# case where a register had an unexpected type.
gdb_test "python print(gdb.selected_frame().read_register(list()))" \
".*Invalid type for register.*" \
"test Frame.read_register with list"
# Compile again without debug info.
gdb_exit
if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} {}] } {
return -1
}
if {![runto_main]} {
return 0
}
# Test if Frame.static_link works for a frame without debug info.
gdb_test "python print(gdb.selected_frame().static_link())" "None" \
"test Frame.static_link for a frame without debug info"
Reference in a new issue View git blame Copy permalink