diff options
Diffstat (limited to 'packages/Python/lldbsuite/test/lang/c/forward')
6 files changed, 87 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/lang/c/forward/Makefile b/packages/Python/lldbsuite/test/lang/c/forward/Makefile new file mode 100644 index 0000000..1db43ab --- /dev/null +++ b/packages/Python/lldbsuite/test/lang/c/forward/Makefile @@ -0,0 +1,5 @@ +LEVEL = ../../../make + +C_SOURCES := main.c foo.c + +include $(LEVEL)/Makefile.rules diff --git a/packages/Python/lldbsuite/test/lang/c/forward/README.txt b/packages/Python/lldbsuite/test/lang/c/forward/README.txt new file mode 100644 index 0000000..b7b66f7 --- /dev/null +++ b/packages/Python/lldbsuite/test/lang/c/forward/README.txt @@ -0,0 +1,5 @@ +This example has a function call in foo.c named "foo" that takes a forward +declaration to "struct bar" and uses it as a pointer argument. In main.c +we have a real declaration for "struct bar". We want to be able to find the +real definition of "struct bar" when we are stopped in foo in foo.c such that +when we stop in "foo" we see the contents of the "bar_ptr". diff --git a/packages/Python/lldbsuite/test/lang/c/forward/TestForwardDeclaration.py b/packages/Python/lldbsuite/test/lang/c/forward/TestForwardDeclaration.py new file mode 100644 index 0000000..33c0de2 --- /dev/null +++ b/packages/Python/lldbsuite/test/lang/c/forward/TestForwardDeclaration.py @@ -0,0 +1,47 @@ +"""Test that forward declaration of a data structure gets resolved correctly.""" + +from __future__ import print_function + + + +import os, time +import lldb +from lldbsuite.test.lldbtest import * +import lldbsuite.test.lldbutil as lldbutil + +class ForwardDeclarationTestCase(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + def test_and_run_command(self): + """Display *bar_ptr when stopped on a function with forward declaration of struct bar.""" + self.build() + exe = os.path.join(os.getcwd(), "a.out") + self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) + + # Break inside the foo function which takes a bar_ptr argument. + lldbutil.run_break_set_by_symbol (self, "foo", num_expected_locations=1, sym_exact=True) + + self.runCmd("run", RUN_SUCCEEDED) + + # 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. + self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE, + substrs = [' resolved, hit count = 1']) + + # This should display correctly. + # Note that the member fields of a = 1 and b = 2 is by design. + self.expect("frame variable --show-types *bar_ptr", VARIABLES_DISPLAYED_CORRECTLY, + substrs = ['(bar) *bar_ptr = ', + '(int) a = 1', + '(int) b = 2']) + + # And so should this. + self.expect("expression --show-types -- *bar_ptr", VARIABLES_DISPLAYED_CORRECTLY, + substrs = ['(bar)', + '(int) a = 1', + '(int) b = 2']) diff --git a/packages/Python/lldbsuite/test/lang/c/forward/foo.c b/packages/Python/lldbsuite/test/lang/c/forward/foo.c new file mode 100644 index 0000000..2e050e7 --- /dev/null +++ b/packages/Python/lldbsuite/test/lang/c/forward/foo.c @@ -0,0 +1,8 @@ +#include <stdio.h> +#include "foo.h" + +int +foo (struct bar *bar_ptr) +{ + return printf ("bar_ptr = %p\n", bar_ptr); +} diff --git a/packages/Python/lldbsuite/test/lang/c/forward/foo.h b/packages/Python/lldbsuite/test/lang/c/forward/foo.h new file mode 100644 index 0000000..3040927 --- /dev/null +++ b/packages/Python/lldbsuite/test/lang/c/forward/foo.h @@ -0,0 +1,4 @@ + +struct bar; + +int foo (struct bar *bar_ptr); diff --git a/packages/Python/lldbsuite/test/lang/c/forward/main.c b/packages/Python/lldbsuite/test/lang/c/forward/main.c new file mode 100644 index 0000000..6f9787c --- /dev/null +++ b/packages/Python/lldbsuite/test/lang/c/forward/main.c @@ -0,0 +1,18 @@ +#include <stdio.h> +#include "foo.h" + +struct bar +{ + int a; + int b; +}; + +int +main (int argc, char const *argv[]) +{ + struct bar b= { 1, 2 }; + + foo (&b); + + return 0; +} |
