File: TestSaveJITObjects.py

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"""
Test that LLDB can emit JIT objects when the appropriate setting is enabled
"""

from __future__ import print_function

import os
import time
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil

def enumerateJITFiles():
    return [f for f in os.listdir(os.getcwd()) if f.startswith("jit")]
    
def countJITFiles():
    return len(enumerateJITFiles())

def cleanJITFiles():
    for j in enumerateJITFiles():
        os.remove(j)
    return

class SaveJITObjectsTestCase(TestBase):
    mydir = TestBase.compute_mydir(__file__)

    @expectedFailureAll(oslist=["windows"])
    def test_save_jit_objects(self):
        self.build()
        src_file = "main.c"
        src_file_spec = lldb.SBFileSpec(src_file)
  
        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
            self, "break", src_file_spec)

        frame = thread.frames[0]

        cleanJITFiles()
        frame.EvaluateExpression("(void*)malloc(0x1)")
        self.assertTrue(countJITFiles() == 0,
                        "No files emitted with save-jit-objects=false")

        self.runCmd("settings set target.save-jit-objects true")
        frame.EvaluateExpression("(void*)malloc(0x1)")
        jit_files_count = countJITFiles()
        cleanJITFiles()
        self.assertTrue(jit_files_count != 0,
                        "At least one file emitted with save-jit-objects=true")

        process.Kill()