def setUp(self):
self.server = target.server()
self.gdb = testlib.Gdb()
+ # For now gdb has to be told what the architecture is when it's not
+ # given an ELF file.
+ self.gdb.command("set arch riscv:rv%d" % target.xlen)
+
self.gdb.command("target extended-remote localhost:%d" % self.server.port)
# 0x13 is nop
def setUp(self):
self.server = target.server()
self.gdb = testlib.Gdb()
+ self.gdb.command("set arch riscv:rv%d" % target.xlen)
self.gdb.command("target extended-remote localhost:%d" % self.server.port)
def access_test(self, size, data_type):
+ self.assertEqual(self.gdb.p("sizeof(%s)" % data_type),
+ size)
a = 0x86753095555aaaa & ((1<<(size*8))-1)
b = 0xdeadbeef12345678 & ((1<<(size*8))-1)
self.gdb.p("*((%s*)0x%x) = 0x%x" % (data_type, target.ram, a))
self.access_test(2, 'short')
def test_32(self):
- self.access_test(4, 'long')
+ self.access_test(4, 'int')
def test_64(self):
self.access_test(8, 'long long')
self.gdb.command("restore write.ihex 0x%x" % target.ram)
for offset in range(0, length, 19*4) + [length-4]:
- value = self.gdb.p("*((long*)0x%x)" % (target.ram + offset))
+ value = self.gdb.p("*((int*)0x%x)" % (target.ram + offset))
written = ord(data[offset]) | \
(ord(data[offset+1]) << 8) | \
(ord(data[offset+2]) << 16) | \
def setUp(self):
self.server = target.server()
self.gdb = testlib.Gdb()
+ self.gdb.command("set arch riscv:rv%d" % target.xlen)
self.gdb.command("target extended-remote localhost:%d" % self.server.port)
def test_instant_halt(self):
class DebugTest(DeleteServer):
def setUp(self):
- self.binary = target.compile("programs/debug.c", "programs/checksum.c")
+ # Include malloc so that gdb can make function calls. I suspect this
+ # malloc will silently blow through the memory set aside for it, so be
+ # careful.
+ self.binary = target.compile("programs/debug.c", "programs/checksum.c",
+ "programs/tiny-malloc.c", "-DDEFINE_MALLOC", "-DDEFINE_FREE")
self.server = target.server()
self.gdb = testlib.Gdb()
self.gdb.command("file %s" % self.binary)
self.gdb.load()
self.gdb.b("_exit")
- def exit(self):
+ def exit(self, expected_result = 0xc86455d4):
output = self.gdb.c()
self.assertIn("Breakpoint", output)
- #TODO self.assertIn("_exit", output)
- #TODO self.assertEqual(self.gdb.p("status"), 0xc86455d4)
- # Use a0 until gdb can resolve "status"
- self.assertEqual(self.gdb.p("$a0") & 0xffffffff, 0xc86455d4)
+ self.assertIn("_exit", output)
+ self.assertEqual(self.gdb.p("status"), expected_result)
+
+ def test_function_call(self):
+ self.gdb.b("main:start")
+ self.gdb.c()
+ text = "Howdy, Earth!"
+ gdb_length = self.gdb.p('strlen("%s")' % text)
+ self.assertEqual(gdb_length, len(text))
+ self.exit()
+
+ def test_change_string(self):
+ text = "This little piggy went to the market."
+ self.gdb.b("main:start")
+ self.gdb.c()
+ self.gdb.p('fox = "%s"' % text)
+ self.exit(0x43b497b8)
def test_turbostep(self):
"""Single step a bunch of times."""
self.exit()
def test_hwbp_1(self):
+ if target.instruction_hardware_breakpoint_count < 1:
+ return
+
self.gdb.hbreak("rot13")
# The breakpoint should be hit exactly 2 times.
for i in range(2):
self.exit()
def test_hwbp_2(self):
+ if target.instruction_hardware_breakpoint_count < 2:
+ return
+
self.gdb.hbreak("main")
self.gdb.hbreak("rot13")
# We should hit 3 breakpoints.
xlen = 64
ram = 0x80010000
ram_size = 5 * 1024 * 1024
+ instruction_hardware_breakpoint_count = 0
def server(self):
return testlib.Spike(parsed.cmd, halted=True)
xlen = 32
ram = 0x80010000
ram_size = 5 * 1024 * 1024
+ instruction_hardware_breakpoint_count = 0
def server(self):
return testlib.Spike(parsed.cmd, halted=True, xlen=32)
xlen = 32
ram = 0x80000000
ram_size = 16 * 1024
+ instruction_hardware_breakpoint_count = 2
def server(self):
return testlib.Openocd(cmd=parsed.cmd,