diff options
Diffstat (limited to 'lldb/packages/Python/lldbsuite/test/python_api/lldbutil')
| -rw-r--r-- | lldb/packages/Python/lldbsuite/test/python_api/lldbutil/process/TestPrintStackTraces.py | 41 | ||||
| -rw-r--r-- | lldb/packages/Python/lldbsuite/test/python_api/lldbutil/process/main.cpp | 125 |
2 files changed, 8 insertions, 158 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/python_api/lldbutil/process/TestPrintStackTraces.py b/lldb/packages/Python/lldbsuite/test/python_api/lldbutil/process/TestPrintStackTraces.py index 0e3d67ecb88..531f30e7af7 100644 --- a/lldb/packages/Python/lldbsuite/test/python_api/lldbutil/process/TestPrintStackTraces.py +++ b/lldb/packages/Python/lldbsuite/test/python_api/lldbutil/process/TestPrintStackTraces.py @@ -18,47 +18,12 @@ class ThreadsStackTracesTestCase(TestBase): mydir = TestBase.compute_mydir(__file__) - def setUp(self): - # Call super's setUp(). - TestBase.setUp(self) - # Find the line number to break inside main(). - self.line = line_number('main.cpp', '// Set break point at this line.') - - # We are unable to produce a backtrace of the main thread when the thread - # is blocked in fgets - @expectedFailureAll("llvm.org/pr23043", ["linux"], archs=["i386"]) - # The __thread_start function in libc doesn't contain any epilogue and prologue instructions - # hence unwinding fail when we are stopped in __thread_start - @expectedFailureAll(triple='mips*') - @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778") - @expectedFlakeyAndroid("llvm.org/26492", archs=["arm"]) - @expectedFlakeyLinux("llvm.org/pr27687") - @expectedFailureNetBSD @add_test_categories(['pyapi']) def test_stack_traces(self): """Test SBprocess and SBThread APIs with printing of the stack traces.""" self.build() - exe = self.getBuildArtifact("a.out") - - target = self.dbg.CreateTarget(exe) - self.assertTrue(target, VALID_TARGET) - - breakpoint = target.BreakpointCreateByLocation("main.cpp", self.line) - self.assertTrue(breakpoint, VALID_BREAKPOINT) - - # Now launch the process, and do not stop at entry point. - process = target.LaunchSimple( - ["abc", "xyz"], None, self.get_process_working_directory()) - - if not process: - self.fail("SBTarget.LaunchProcess() failed") - - import lldbsuite.test.lldbutil as lldbutil - if process.GetState() != lldb.eStateStopped: - self.fail("Process should be in the 'stopped' state, " - "instead the actual state is: '%s'" % - lldbutil.state_type_to_str(process.GetState())) - + (_, process, _, _) = lldbutil.run_to_source_breakpoint(self, + "// BREAK HERE", lldb.SBFileSpec("main.cpp")) stacktraces = lldbutil.print_stacktraces(process, string_buffer=True) self.expect(stacktraces, exe=False, - substrs=['(int)argc=3']) + substrs=['(int)x=4', '(int)y=6', '(int)x=3', '(int)argc=1']) diff --git a/lldb/packages/Python/lldbsuite/test/python_api/lldbutil/process/main.cpp b/lldb/packages/Python/lldbsuite/test/python_api/lldbutil/process/main.cpp index da94b2714a2..a490d8f9900 100644 --- a/lldb/packages/Python/lldbsuite/test/python_api/lldbutil/process/main.cpp +++ b/lldb/packages/Python/lldbsuite/test/python_api/lldbutil/process/main.cpp @@ -6,130 +6,15 @@ // //===----------------------------------------------------------------------===// -// C includes -#include <stdio.h> -#include <stdint.h> -#include <stdlib.h> - -// C++ includes -#include <chrono> -#include <mutex> -#include <random> -#include <thread> - -std::thread g_thread_1; -std::thread g_thread_2; -std::thread g_thread_3; -std::mutex g_mask_mutex; - -typedef enum { - eGet, - eAssign, - eClearBits -} MaskAction; - -uint32_t mask_access (MaskAction action, uint32_t mask = 0); - -uint32_t -mask_access (MaskAction action, uint32_t mask) -{ - static uint32_t g_mask = 0; - - std::lock_guard<std::mutex> lock(g_mask_mutex); - switch (action) - { - case eGet: - break; - - case eAssign: - g_mask |= mask; - break; - - case eClearBits: - g_mask &= ~mask; - break; - } - return g_mask; +static int foo(int x, int y) { + return x + y; // BREAK HERE } -void * -thread_func (void *arg) -{ - uint32_t thread_index = *((uint32_t *)arg); - uint32_t thread_mask = (1u << (thread_index)); - printf ("%s (thread index = %u) startng...\n", __FUNCTION__, thread_index); - - std::default_random_engine generator; - std::uniform_int_distribution<int> distribution(0, 3000000); - - while (mask_access(eGet) & thread_mask) - { - // random micro second sleep from zero to 3 seconds - int usec = distribution(generator); - - printf ("%s (thread = %u) doing a usleep (%d)...\n", __FUNCTION__, thread_index, usec); - std::chrono::microseconds duration(usec); - std::this_thread::sleep_for(duration); - printf ("%s (thread = %u) after usleep ...\n", __FUNCTION__, thread_index); // Set break point at this line. - } - printf ("%s (thread index = %u) exiting...\n", __FUNCTION__, thread_index); - return NULL; +static int bar(int x) { + return foo(x + 1, x * 2); } - int main (int argc, char const *argv[]) { - int err; - void *thread_result = NULL; - uint32_t thread_index_1 = 1; - uint32_t thread_index_2 = 2; - uint32_t thread_index_3 = 3; - uint32_t thread_mask_1 = (1u << thread_index_1); - uint32_t thread_mask_2 = (1u << thread_index_2); - uint32_t thread_mask_3 = (1u << thread_index_3); - - // Make a mask that will keep all threads alive - mask_access (eAssign, thread_mask_1 | thread_mask_2 | thread_mask_3); // And that line. - - // Create 3 threads - g_thread_1 = std::thread(thread_func, (void*)&thread_index_1); - g_thread_2 = std::thread(thread_func, (void*)&thread_index_2); - g_thread_3 = std::thread(thread_func, (void*)&thread_index_3); - - char line[64]; - while (mask_access(eGet) != 0) - { - printf ("Enter thread index to kill or ENTER for all:\n"); - fflush (stdout); - // Kill threads by index, or ENTER for all threads - - if (fgets (line, sizeof(line), stdin)) - { - if (line[0] == '\n' || line[0] == '\r' || line[0] == '\0') - { - printf ("Exiting all threads...\n"); - break; - } - int32_t index = strtoul (line, NULL, 0); - switch (index) - { - case 1: mask_access (eClearBits, thread_mask_1); break; - case 2: mask_access (eClearBits, thread_mask_2); break; - case 3: mask_access (eClearBits, thread_mask_3); break; - } - continue; - } - - break; - } - - // Clear all thread bits to they all exit - mask_access (eClearBits, UINT32_MAX); - - // Join all of our threads - g_thread_1.join(); - g_thread_2.join(); - g_thread_3.join(); - - return 0; + return bar(argc + 2); } |
