Add debug test, which checks that openocd correctly switch active thread on any hart...

[riscv-tests.git] / debug / gdbserver.py

diff --git a/debug/gdbserver.py b/debug/gdbserver.py
index 257f8d409db6a10e12347f451fe9d612c20751bc..528eae19a35f2e71ccaf455234397a476027f3d7 100755 (executable)
--- a/debug/gdbserver.py
+++ b/debug/gdbserver.py
@@ -633,6 +633,34 @@ class MulticoreRunAllHaltOne(GdbTest):
         time.sleep(1)
         self.gdb.p("buf", fmt="")
 
+class MulticoreRtosSwitchActiveHartTest(GdbTest):
+    compile_args = ("programs/multicore.c", "-DMULTICORE")
+
+    def early_applicable(self):
+        return len(self.target.harts) > 1
+
+    def setup(self):
+        self.gdb.select_hart(self.target.harts[0])
+        self.gdb.load()
+        for hart in self.target.harts:
+            self.gdb.select_hart(hart)
+            self.gdb.p("$pc=_start")
+
+    def test(self):
+        if self.gdb.one_hart_per_gdb():
+            return 'not_applicable'
+
+        # Set breakpoint near '_start' label to increase the chances of a situation
+        # when all harts hit breakpoint immediately and simultaneously.
+        self.gdb.b("set_trap_handler")
+
+        # Check that all harts hit breakpoint one by one.
+        for _ in range(len(self.target.harts)):
+            output = self.gdb.c()
+            assertIn("hit Breakpoint", output)
+            assertIn("set_trap_handler", output)
+            assertNotIn("received signal SIGTRAP", output)
+
 class StepTest(GdbSingleHartTest):
     compile_args = ("programs/step.S", )
 
@@ -652,6 +680,29 @@ class StepTest(GdbSingleHartTest):
             pc = self.gdb.p("$pc")
             assertEqual("%x" % (pc - main_address), "%x" % expected)
 
+class JumpHbreak(GdbSingleHartTest):
+    """'jump' resumes execution at location. Execution stops again immediately
+    if there is a breakpoint there.
+    That second line can be trouble."""
+    compile_args = ("programs/trigger.S", )
+
+    def early_applicable(self):
+        return self.hart.instruction_hardware_breakpoint_count >= 1
+
+    def setup(self):
+        self.gdb.load()
+        self.gdb.hbreak("main")
+        self.gdb.c()
+        self.gdb.command("delete 1")
+
+    def test(self):
+        self.gdb.b("read_loop")
+        self.gdb.command("hbreak just_before_read_loop")
+        output = self.gdb.command("jump just_before_read_loop")
+        assertRegexpMatches(output, r"Breakpoint \d, just_before_read_loop ")
+        output = self.gdb.c()
+        assertRegexpMatches(output, r"Breakpoint \d, read_loop ")
+
 class TriggerTest(GdbSingleHartTest):
     compile_args = ("programs/trigger.S", )
     def setup(self):
@@ -692,7 +743,8 @@ class TriggerLoadAddressInstant(TriggerTest):
         self.gdb.c()
         read_loop = self.gdb.p("&read_loop")
         read_again = self.gdb.p("&read_again")
-        self.gdb.command("rwatch data")
+        data = self.gdb.p("&data")
+        self.gdb.command("rwatch *0x%x" % data)
         self.gdb.c()
         # Accept hitting the breakpoint before or after the load instruction.
         assertIn(self.gdb.p("$pc"), [read_loop, read_loop + 4])
@@ -719,7 +771,8 @@ class TriggerStoreAddressInstant(TriggerTest):
         self.gdb.command("b just_before_write_loop")
         self.gdb.c()
         write_loop = self.gdb.p("&write_loop")
-        self.gdb.command("watch data")
+        data = self.gdb.p("&data")
+        self.gdb.command("watch *0x%x" % data)
         self.gdb.c()
         # Accept hitting the breakpoint before or after the store instruction.
         assertIn(self.gdb.p("$pc"), [write_loop, write_loop + 4])