"""Show global variables and check that they do indeed have global scopes."""
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class GlobalVariablesTestCase(TestBase):
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.source = "main.c"
self.line = line_number(self.source, "// Set break point at this line.")
self.shlib_names = ["a"]
@skipIfDarwin # Chained Fixups
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24764")
def test_without_process(self):
"""Test that static initialized variables can be inspected without
process."""
self.build()
# Create a target by the debugger.
target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
self.assertTrue(target, VALID_TARGET)
self.expect(
"target variable g_ptr", VARIABLES_DISPLAYED_CORRECTLY, substrs=["(int *)"]
)
self.expect(
"target variable *g_ptr", VARIABLES_DISPLAYED_CORRECTLY, substrs=["42"]
)
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24764")
def test_c_global_variables(self):
"""Test 'frame variable --scope --no-args' which omits args and shows scopes."""
self.build()
# Create a target by the debugger.
target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
self.assertTrue(target, VALID_TARGET)
# Break inside the main.
lldbutil.run_break_set_by_file_and_line(
self, self.source, self.line, num_expected_locations=1, loc_exact=True
)
# Register our shared libraries for remote targets so they get
# automatically uploaded
environment = self.registerSharedLibrariesWithTarget(target, self.shlib_names)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(
None, environment, self.get_process_working_directory()
)
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stopped", "stop reason = breakpoint"],
)
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
# Test that the statically initialized variable can also be
# inspected *with* a process.
self.expect(
"target variable g_ptr", VARIABLES_DISPLAYED_CORRECTLY, substrs=["(int *)"]
)
self.expect(
"target variable *g_ptr", VARIABLES_DISPLAYED_CORRECTLY, substrs=["42"]
)
# Check that GLOBAL scopes are indicated for the variables.
self.expect(
"frame variable --show-types --scope --show-globals --no-args",
VARIABLES_DISPLAYED_CORRECTLY,
ordered=False,
substrs=[
"STATIC: (const char *) g_func_static_cstr",
'"g_func_static_cstr"',
"GLOBAL: (int *) g_ptr",
"STATIC: (const int) g_file_static_int = 2",
"GLOBAL: (int) g_common_1 = 21",
"GLOBAL: (int) g_file_global_int = 42",
"STATIC: (const char *) g_file_static_cstr",
'"g_file_static_cstr"',
"GLOBAL: (const char *) g_file_global_cstr",
'"g_file_global_cstr"',
],
)
# 'frame variable' should support address-of operator.
self.runCmd("frame variable &g_file_global_int")
# Exercise the 'target variable' command to display globals in a.c
# file.
self.expect(
"target variable g_a", VARIABLES_DISPLAYED_CORRECTLY, substrs=["g_a", "123"]
)
self.expect(
"target variable g_marked_spot.x",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=["g_marked_spot.x", "20"],
)
self.expect(
"target variable g_marked_spot.y",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=["g_marked_spot.y", "21"],
)
self.expect(
"target variable g_marked_spot.y",
VARIABLES_DISPLAYED_CORRECTLY,
matching=False,
substrs=["can't be resolved"],
)
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