// Visual C++ compiler embeds a timestamp in every object file, and ASLR is non-deterministic
        toolChain.visualCpp || objectiveCWithAslr
    }

    // compiling Objective-C and Objective-Cpp with clang generates
    // random different object files (related to ASLR settings)
    // We saw this behaviour only on linux so far.
    // 2021-4-15: recent GCC also enable ASLR by default:
    // https://wiki.ubuntu.com/Security/Features

		a function call or refers to other variables.
		Note that before Go 1.5 this option took two separate arguments.
	-asan
		Link with C/C++ address sanitizer support.
	-aslr
		Enable ASLR for buildmode=c-shared on windows (default true).
	-bindnow
		Mark a dynamically linked ELF object for immediate function binding (default false).
	-buildid id
		Record id as Go toolchain build id.
	-buildmode mode

	switch platform {
	case "windows/amd64", "windows/386":
	default:
		t.Skip("skipping windows amd64/386 only test")
	}

	testenv.MustHaveCGO(t)

	t.Run("aslr", func(t *testing.T) {
		testWindowsBuildmodeCSharedASLR(t, true)
	})
	t.Run("no-aslr", func(t *testing.T) {
		testWindowsBuildmodeCSharedASLR(t, false)
	})
}

func testWindowsBuildmodeCSharedASLR(t *testing.T, useASLR bool) {
	t.Parallel()

		}
	}
}

#endif // TARGET_OS_IPHONE

void
x_cgo_init(G *g, void (*setg)(void*))
{
	//fprintf(stderr, "x_cgo_init = %p\n", &x_cgo_init); // aid debugging in presence of ASLR
	setg_gcc = setg;
	_cgo_set_stacklo(g, NULL);

#if TARGET_OS_IPHONE
	darwin_arm_init_mach_exception_handler();
	darwin_arm_init_thread_exception_port();
	init_working_dir();
#endif

			continue
		}
		pc, err := strconv.ParseUint(parts[1][2:], 16, 64)
		if err != nil {
			t.Fatalf("can't parse pc %s: %v", parts[1], err)
		}
		if entry == 0 {
			entry = pc
		}
		// Note that some platforms do ASLR, so the PCs in the disassembly
		// don't match PCs in the address space. Only offsets from function
		// entry make sense.
		unsafe := runtime.UnsafePoint(f.Entry() + uintptr(pc-entry))
		t.Logf("unsafe: %v\n", unsafe)

	flagMsan          = flag.Bool("msan", false, "enable MSan interface")
	flagAsan          = flag.Bool("asan", false, "enable ASan interface")
	flagAslr          = flag.Bool("aslr", true, "enable ASLR for buildmode=c-shared on windows")

	flagFieldTrack = flag.String("k", "", "set field tracking `symbol`")
	flagLibGCC     = flag.String("libgcc", "", "compiler support lib for internal linking; use \"none\" to disable")

	out.Write(ELF_NOTE_NETBSD_NAME)
	out.Write8(0)
	out.Write32(ELF_NOTE_NETBSD_VERSION)

	return int(sh.Size)
}

// The race detector can't handle ASLR (address space layout randomization).
// ASLR is on by default for NetBSD, so we turn the ASLR off explicitly
// using a magic elf Note when building race binaries.

func elfnetbsdpax(sh *ElfShdr, startva uint64, resoff uint64) int {
	n := int(Rnd(4, 4) + Rnd(4, 4))

		//       VADDR=0xffffffff80200000
		// stextOffset=0xffffffff80200198
		//       Start=0xffffffff83200000
		//       Limit=0xffffffff84200000
		//      Offset=0 (0xc000000000000000 for PowerPC64) (== Start for ASLR kernel)
		// So the base should be:
		if stextOffset != nil && (start%pageSize) == (*stextOffset%pageSize) {
			// perf uses the address of _stext as start. Some tools may

		}
	}

	// Enable/disable ASLR on Windows.
	addASLRargs := func(argv []string, val bool) []string {
		// Old/ancient versions of GCC support "--dynamicbase" and
		// "--high-entropy-va" but don't enable it by default. In
		// addition, they don't accept "--disable-dynamicbase" or
		// "--no-dynamicbase", so the only way to disable ASLR is to
		// not pass any flags at all.
		//

func (m *Matcher) stack(w Writer) bool {
	const maxStack = 16
	var stk [maxStack]uintptr
	n := runtime.Callers(2, stk[:])
	// caller #2 is not for printing; need it to normalize PCs if ASLR.
	if n <= 1 {
		return false
	}

	base := stk[0]
	// normalize PCs
	for i := range stk[:n] {
		stk[i] -= base
	}

	h := Hash(stk[:n])
	if m.ShouldPrint(h) {
		var d *dedup