diff options
5 files changed, 80 insertions, 5 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/linux/add-symbols/Makefile b/lldb/packages/Python/lldbsuite/test/linux/add-symbols/Makefile new file mode 100644 index 00000000000..c701797f0a7 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/linux/add-symbols/Makefile @@ -0,0 +1,12 @@ +LEVEL = ../../make +CXX_SOURCES := main.cpp +LD_EXTRAS += -Wl,--build-id=none + +localall : stripped.out all +stripped.out : a.out + $(OBJCOPY) --remove-section=.note.gnu.build-id --remove-section=.gnu_debuglink --strip-debug a.out stripped.out + +clean:: + $(RM) stripped.out + +include $(LEVEL)/Makefile.rules
\ No newline at end of file diff --git a/lldb/packages/Python/lldbsuite/test/linux/add-symbols/TestTargetSymbolsAddCommand.py b/lldb/packages/Python/lldbsuite/test/linux/add-symbols/TestTargetSymbolsAddCommand.py new file mode 100644 index 00000000000..477ddf9c15b --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/linux/add-symbols/TestTargetSymbolsAddCommand.py @@ -0,0 +1,52 @@ +""" Testing explicit symbol loading via target symbols add. """ +import os +import time +import lldb +import sys +from lldbsuite.test.decorators import * +from lldbsuite.test.lldbtest import * +from lldbsuite.test import lldbutil + + +class TargetSymbolsAddCommand(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + def setUp(self): + TestBase.setUp(self) + self.source = 'main.c' + + @no_debug_info_test # Prevent the genaration of the dwarf version of this test + @skipUnlessPlatform(['linux']) + def test_target_symbols_add(self): + """Test that 'target symbols add' can load the symbols + even if gnu.build-id and gnu_debuglink are not present in the module. + Similar to test_add_dsym_mid_execution test for macos.""" + self.build(clean=True) + exe = os.path.join(os.getcwd(), "stripped.out") + + self.target = self.dbg.CreateTarget(exe) + self.assertTrue(self.target, VALID_TARGET) + + main_bp = self.target.BreakpointCreateByName("main", "stripped.out") + self.assertTrue(main_bp, VALID_BREAKPOINT) + + self.process = self.target.LaunchSimple( + None, None, self.get_process_working_directory()) + self.assertTrue(self.process, PROCESS_IS_VALID) + + # The stop reason of the thread should be breakpoint. + self.assertTrue(self.process.GetState() == lldb.eStateStopped, + STOPPED_DUE_TO_BREAKPOINT) + + exe_module = self.target.GetModuleAtIndex(0) + + # Check that symbols are not loaded and main.c is not know to be + # the source file. + self.expect("frame select", substrs=['main.c'], matching=False) + + # Tell LLDB that a.out has symbols for stripped.out + self.runCmd("target symbols add -s stripped.out a.out") + + # Check that symbols are now loaded and main.c is in the output. + self.expect("frame select", substrs=['main.c']) diff --git a/lldb/packages/Python/lldbsuite/test/linux/add-symbols/main.c b/lldb/packages/Python/lldbsuite/test/linux/add-symbols/main.c new file mode 100644 index 00000000000..5a0915746b7 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/linux/add-symbols/main.c @@ -0,0 +1,6 @@ +#include <stdio.h> +static int var = 5; +int main() { + printf("%p is %d\n", &var, var); + return ++var; +} diff --git a/lldb/source/Commands/CommandObjectTarget.cpp b/lldb/source/Commands/CommandObjectTarget.cpp index a80acf19be2..bb1b3f8ae7d 100644 --- a/lldb/source/Commands/CommandObjectTarget.cpp +++ b/lldb/source/Commands/CommandObjectTarget.cpp @@ -3969,7 +3969,8 @@ public: "Add a debug symbol file to one of the target's current modules by " "specifying a path to a debug symbols file, or using the options " "to specify a module to download symbols for.", - "target symbols add [<symfile>]", eCommandRequiresTarget), + "target symbols add <cmd-options> [<symfile>]", + eCommandRequiresTarget), m_option_group(), m_file_option( LLDB_OPT_SET_1, false, "shlib", 's', @@ -4289,18 +4290,22 @@ protected: if (uuid_option_set) { result.AppendError("specify either one or more paths to symbol files " "or use the --uuid option without arguments"); - } else if (file_option_set) { - result.AppendError("specify either one or more paths to symbol files " - "or use the --file option without arguments"); } else if (frame_option_set) { result.AppendError("specify either one or more paths to symbol files " "or use the --frame option without arguments"); + } else if (file_option_set && argc > 1) { + result.AppendError("specify at most one symbol file path when " + "--shlib option is set"); } else { PlatformSP platform_sp(target->GetPlatform()); for (auto &entry : args.entries()) { if (!entry.ref.empty()) { module_spec.GetSymbolFileSpec().SetFile(entry.ref, true); + if (file_option_set) { + module_spec.GetFileSpec() = + m_file_option.GetOptionValue().GetCurrentValue(); + } if (platform_sp) { FileSpec symfile_spec; if (platform_sp diff --git a/lldb/source/Interpreter/CommandObject.cpp b/lldb/source/Interpreter/CommandObject.cpp index f9a5b10bb4b..96c245cb8bb 100644 --- a/lldb/source/Interpreter/CommandObject.cpp +++ b/lldb/source/Interpreter/CommandObject.cpp @@ -57,7 +57,7 @@ llvm::StringRef CommandObject::GetHelp() { return m_cmd_help_short; } llvm::StringRef CommandObject::GetHelpLong() { return m_cmd_help_long; } llvm::StringRef CommandObject::GetSyntax() { - if (m_cmd_syntax.empty()) + if (!m_cmd_syntax.empty()) return m_cmd_syntax; StreamString syntax_str; |