Add split symbol support to test makefile & add linux split symbol test case.
llvm-svn: 185455
This commit is contained in:
Michael Sartain
parent
f0ae35b88c
commit
802b055e78
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@ -0,0 +1,10 @@
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LEVEL = ../../../make
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DYLIB_NAME := libfoo
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DYLIB_C_SOURCES := foo.c
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C_SOURCES := main.c
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CFLAGS_EXTRAS += -fPIC
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SPLIT_DEBUG_SYMBOLS = YES
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include $(LEVEL)/Makefile.rules
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@ -0,0 +1,90 @@
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"""Test that types defined in shared libraries with stripped symbols work correctly."""
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import os, time
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import unittest2
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import lldb
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from lldbtest import *
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import lldbutil
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class SharedLibTestCase(TestBase):
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mydir = os.path.join("lang", "c", "shared_lib")
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@dsym_test
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def test_expr_with_dsym(self):
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"""Test that types work when defined in a shared library and forward-declared in the main executable"""
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self.buildDsym()
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self.expr()
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@dwarf_test
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def test_expr_with_dwarf(self):
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"""Test that types work when defined in a shared library and forward-declared in the main executable"""
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self.buildDwarf()
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self.expr()
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@dsym_test
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def test_frame_variable_with_dsym(self):
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"""Test that types work when defined in a shared library and forward-declared in the main executable"""
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self.buildDsym()
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self.frame_var()
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@dwarf_test
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def test_frame_variable_with_dwarf(self):
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"""Test that types work when defined in a shared library and forward-declared in the main executable"""
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self.buildDwarf()
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self.frame_var()
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line number to break inside main().
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self.line = line_number('main.c', '// Set breakpoint 0 here.')
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if sys.platform.startswith("linux"):
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self.runCmd("settings set target.env-vars " + self.dylibPath + "=" + os.getcwd())
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self.addTearDownHook(lambda: self.runCmd("settings remove target.env-vars " + self.dylibPath))
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def common_setup(self):
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exe = os.path.join(os.getcwd(), "a.out")
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self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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# Break inside the foo function which takes a bar_ptr argument.
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lldbutil.run_break_set_by_file_and_line (self, "main.c", self.line, num_expected_locations=1, loc_exact=True)
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['stopped',
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'stop reason = breakpoint'])
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# The breakpoint should have a hit count of 1.
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self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
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substrs = [' resolved, hit count = 1'])
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def expr(self):
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"""Test that types work when defined in a shared library and forward-declared in the main executable"""
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if "clang" in self.getCompiler() and "3.4" in self.getCompilerVersion():
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self.skipTest("llvm.org/pr16214 -- clang emits partial DWARF for structures referenced via typedef")
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self.common_setup()
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# This should display correctly.
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self.expect("expression --show-types -- *my_foo_ptr", VARIABLES_DISPLAYED_CORRECTLY,
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substrs = ["(foo)", "(sub_foo)", "other_element = 3"])
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@unittest2.expectedFailure
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# rdar://problem/10381325
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def frame_var(self):
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"""Test that types work when defined in a shared library and forward-declared in the main executable"""
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self.common_setup()
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# This should display correctly.
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self.expect("frame variable --show-types -- *my_foo_ptr", VARIABLES_DISPLAYED_CORRECTLY,
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substrs = ["(foo)", "(sub_foo)", "other_element = 3"])
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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@ -0,0 +1,22 @@
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#include "foo.h"
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#include <stdlib.h>
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struct foo
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{
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struct sub_foo sub_element;
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int other_element;
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};
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struct foo *
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GetMeAFoo()
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{
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struct foo *ret_val = (struct foo *) malloc (sizeof (struct foo));
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ret_val->other_element = 3;
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return ret_val;
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}
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struct sub_foo *
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GetMeASubFoo (struct foo *in_foo)
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{
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return &(in_foo->sub_element);
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}
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@ -0,0 +1,12 @@
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struct foo;
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struct sub_foo
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{
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int sub_1;
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char *sub_2;
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};
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struct foo *GetMeAFoo();
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struct sub_foo *GetMeASubFoo (struct foo *in_foo);
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@ -0,0 +1,13 @@
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#include <stdio.h>
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#include "foo.h"
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int
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main ()
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{
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struct foo *my_foo_ptr;
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my_foo_ptr = GetMeAFoo();
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printf ("My sub foo has: %d.\n", GetMeASubFoo(my_foo_ptr)->sub_1); // Set breakpoint 0 here.
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return 0;
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}
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@ -16,6 +16,7 @@
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# FRAMEWORK_INCLUDES (Darwin only) :=
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# CFLAGS_EXTRAS :=
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# LD_EXTRAS :=
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# SPLIT_DEBUG_SYMBOLS := YES
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#
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# And test/functionalities/archives/Makefile:
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# MAKE_DSYM := NO
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@ -79,6 +80,10 @@ else
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ifeq "$(ARCH)" "i386"
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override ARCH := $(subst i386,32,$(ARCH))
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endif
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ifeq "$(SPLIT_DEBUG_SYMBOLS)" "YES"
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DSYM = $(EXE).debug
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endif
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endif
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CFLAGS ?= -g -O0
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@ -229,13 +234,20 @@ endif
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#----------------------------------------------------------------------
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# Make the dSYM file from the executable if $(MAKE_DSYM) != "NO"
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#----------------------------------------------------------------------
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$(DSYM) : $(EXE)
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ifeq "$(OS)" "Darwin"
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ifneq "$(MAKE_DSYM)" "NO"
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ifeq "$(DYLIB_ONLY)" ""
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$(DSYM) : $(EXE)
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$(DS) $(DSFLAGS) -o "$(DSYM)" "$(EXE)"
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endif
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endif
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else
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ifeq "$(SPLIT_DEBUG_SYMBOLS)" "YES"
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ifeq "$(DYLIB_ONLY)" ""
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objcopy --only-keep-debug "$(EXE)" "$(DSYM)"
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objcopy --strip-debug --add-gnu-debuglink="$(DSYM)" "$(EXE)" "$(EXE)"
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endif
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endif
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endif
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#----------------------------------------------------------------------
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@ -279,6 +291,10 @@ endif
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endif
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else
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$(LD) $(LDFLAGS) $(DYLIB_OBJECTS) -shared -o "$(DYLIB_FILENAME)"
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ifeq "$(SPLIT_DEBUG_SYMBOLS)" "YES"
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objcopy --only-keep-debug "$(DYLIB_FILENAME)" "$(DYLIB_FILENAME).debug"
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objcopy --strip-debug --add-gnu-debuglink="$(DYLIB_FILENAME).debug" "$(DYLIB_FILENAME)" "$(DYLIB_FILENAME)"
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endif
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endif
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#----------------------------------------------------------------------
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@ -342,7 +358,7 @@ clean::
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ifeq "$(DYLIB_NAME)" ""
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rm -rf "$(EXE)" "$(DSYM)" $(OBJECTS) $(PREREQS) $(ARCHIVE_NAME) $(ARCHIVE_OBJECTS) *.d.[0-9] *.d.[0-9][0-9] *.d.[0-9][0-9][0-9] *.d.[0-9][0-9][0-9][0-9] *.d.[0-9][0-9][0-9][0-9][0-9]
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else
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rm -rf "$(EXE)" "$(DSYM)" $(OBJECTS) $(PREREQS) $(ARCHIVE_NAME) $(ARCHIVE_OBJECTS) $(DYLIB_OBJECTS) $(DYLIB_PREREQS) $(DYLIB_FILENAME) $(DYLIB_FILENAME).dSYM *.d.[0-9] *.d.[0-9][0-9] *.d.[0-9][0-9][0-9] *.d.[0-9][0-9][0-9][0-9] *.d.[0-9][0-9][0-9][0-9][0-9]
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rm -rf "$(EXE)" "$(DSYM)" $(OBJECTS) $(PREREQS) $(ARCHIVE_NAME) $(ARCHIVE_OBJECTS) $(DYLIB_OBJECTS) $(DYLIB_PREREQS) $(DYLIB_FILENAME) $(DYLIB_FILENAME).dSYM $(DYLIB_FILENAME).debug *.d.[0-9] *.d.[0-9][0-9] *.d.[0-9][0-9][0-9] *.d.[0-9][0-9][0-9][0-9] *.d.[0-9][0-9][0-9][0-9][0-9]
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endif
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#----------------------------------------------------------------------
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