esp-idf/tools/test_apps/system/panic/panic_tests.py

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#!/usr/bin/env python
from pprint import pformat
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import re
from test_panic_util.test_panic_util import get_dut
def get_default_backtrace(test_name):
return [
test_name,
"app_main",
"main_task",
"vPortTaskWrapper"
]
def test_common(dut, test_name, expected_backtrace=None):
if expected_backtrace is None:
expected_backtrace = get_default_backtrace(dut.test_name)
if "gdbstub" in test_name:
dut.start_gdb()
frames = dut.gdb_backtrace()
if not dut.match_backtrace(frames, expected_backtrace):
raise AssertionError("Unexpected backtrace in test {}:\n{}".format(test_name, pformat(frames)))
return
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if "uart" in test_name:
dut.expect(dut.COREDUMP_UART_END)
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dut.expect("Rebooting...")
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if "uart" in test_name:
dut.process_coredump_uart()
# TODO: check backtrace
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elif "flash" in test_name:
dut.process_coredump_flash()
# TODO: check backtrace
elif "panic" in test_name:
# TODO: check backtrace
pass
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def task_wdt_inner(env, test_name):
with get_dut(env, test_name, "test_task_wdt", qemu_wdt_enable=True) as dut:
dut.expect("Task watchdog got triggered. The following tasks did not reset the watchdog in time:")
dut.expect("CPU 0: main")
dut.expect(re.compile(r"abort\(\) was called at PC [0-9xa-f]+ on core 0"))
dut.expect_none("register dump:")
dut.expect_backtrace()
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dut.expect_elf_sha256()
dut.expect_none("Guru Meditation")
test_common(dut, test_name, expected_backtrace=[
# Backtrace interrupted when abort is called, IDF-842.
# Task WDT calls abort internally.
"panic_abort", "esp_system_abort"
])
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def int_wdt_inner(env, test_name):
with get_dut(env, test_name, "test_int_wdt", qemu_wdt_enable=True) as dut:
dut.expect_gme("Interrupt wdt timeout on CPU0")
dut.expect_reg_dump(0)
dut.expect_backtrace()
dut.expect_none("Guru Meditation")
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dut.expect_reg_dump(1)
dut.expect_backtrace()
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dut.expect_elf_sha256()
dut.expect_none("Guru Meditation")
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test_common(dut, test_name)
def int_wdt_cache_disabled_inner(env, test_name):
with get_dut(env, test_name, "test_int_wdt_cache_disabled", qemu_wdt_enable=True) as dut:
dut.expect("Re-enable cpu cache.")
dut.expect_gme("Interrupt wdt timeout on CPU0")
dut.expect_reg_dump(0)
dut.expect("Backtrace:")
dut.expect_none("Guru Meditation")
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dut.expect_reg_dump(1)
dut.expect_backtrace()
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dut.expect_elf_sha256()
dut.expect_none("Guru Meditation")
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test_common(dut, test_name)
def cache_error_inner(env, test_name):
with get_dut(env, test_name, "test_cache_error") as dut:
dut.expect("Re-enable cpu cache.")
dut.expect_gme("Cache disabled but cached memory region accessed")
dut.expect_reg_dump(0)
dut.expect_backtrace()
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dut.expect_elf_sha256()
dut.expect_none("Guru Meditation")
test_common(dut, test_name,
expected_backtrace=["die"] + get_default_backtrace(dut.test_name))
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def abort_inner(env, test_name):
with get_dut(env, test_name, "test_abort") as dut:
dut.expect(re.compile(r"abort\(\) was called at PC [0-9xa-f]+ on core 0"))
dut.expect_backtrace()
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dut.expect_elf_sha256()
dut.expect_none("Guru Meditation", "Re-entered core dump")
test_common(dut, test_name, expected_backtrace=[
# Backtrace interrupted when abort is called, IDF-842
"panic_abort", "esp_system_abort"
])
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def storeprohibited_inner(env, test_name):
with get_dut(env, test_name, "test_storeprohibited") as dut:
dut.expect_gme("StoreProhibited")
dut.expect_reg_dump(0)
dut.expect_backtrace()
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dut.expect_elf_sha256()
dut.expect_none("Guru Meditation")
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test_common(dut, test_name)
def stack_overflow_inner(env, test_name):
with get_dut(env, test_name, "test_stack_overflow") as dut:
dut.expect_gme("Unhandled debug exception")
dut.expect("Stack canary watchpoint triggered (main)")
dut.expect_reg_dump(0)
dut.expect_backtrace()
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dut.expect_elf_sha256()
dut.expect_none("Guru Meditation")
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test_common(dut, test_name)
def illegal_instruction_inner(env, test_name):
with get_dut(env, test_name, "test_illegal_instruction") as dut:
dut.expect_gme("IllegalInstruction")
dut.expect_reg_dump(0)
dut.expect_backtrace()
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dut.expect_elf_sha256()
dut.expect_none("Guru Meditation")
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test_common(dut, test_name)
def instr_fetch_prohibited_inner(env, test_name):
with get_dut(env, test_name, "test_instr_fetch_prohibited") as dut:
dut.expect_gme("InstrFetchProhibited")
dut.expect_reg_dump(0)
dut.expect_backtrace()
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dut.expect_elf_sha256()
dut.expect_none("Guru Meditation")
test_common(dut, test_name,
expected_backtrace=["_init"] + get_default_backtrace(dut.test_name))