// the runtime, but operations like a slice copy can call msanread
// anyhow for values on the stack. Just ignore msanread when running
// on the system stack. The other msan functions are fine.
//
//go:linkname msanread
//go:nosplit
func msanread(addr unsafe.Pointer, sz uintptr) {
	gp := getg()
	if gp == nil || gp.m == nil || gp == gp.m.g0 || gp == gp.m.gsignal {
		return
	}
	domsanread(addr, sz)
}

//go:noescape

// license that can be found in the LICENSE file.

//go:build msan

package msan

import (
	"unsafe"
)

const Enabled = true

//go:linkname Read runtime.msanread
func Read(addr unsafe.Pointer, sz uintptr)

//go:linkname Write runtime.msanwrite
func Write(addr unsafe.Pointer, sz uintptr)

//go:linkname Malloc runtime.msanmalloc
func Malloc(addr unsafe.Pointer, sz uintptr)

//go:build msan

#include "go_asm.h"
#include "textflag.h"

#define RARG0 R0
#define RARG1 R1
#define RARG2 R2
#define FARG R3

// func runtime·domsanread(addr unsafe.Pointer, sz uintptr)
// Called from msanread.
TEXT	runtime·domsanread(SB), NOSPLIT, $0-16
	MOVD	addr+0(FP), RARG0
	MOVD	sz+8(FP), RARG1
	// void __msan_read_go(void *addr, uintptr_t sz);
	MOVD	$__msan_read_go(SB), FARG
	JMP	msancall<>(SB)

//go:build msan

#include "go_asm.h"
#include "textflag.h"

#define RARG0 R4
#define RARG1 R5
#define RARG2 R6
#define FARG  R7

// func runtime·domsanread(addr unsafe.Pointer, sz uintptr)
// Called from msanread.
TEXT	runtime·domsanread(SB), NOSPLIT, $0-16
	MOVV	addr+0(FP), RARG0
	MOVV	sz+8(FP), RARG1
	// void __msan_read_go(void *addr, uintptr_t sz);
	MOVV	$__msan_read_go(SB), FARG
	JMP	msancall<>(SB)

#define RARG1 DX
#define RARG2 R8
#define RARG3 R9
#else
#define RARG0 DI
#define RARG1 SI
#define RARG2 DX
#define RARG3 CX
#endif

// func runtime·domsanread(addr unsafe.Pointer, sz uintptr)
// Called from msanread.
TEXT	runtime·domsanread(SB), NOSPLIT, $0-16
	MOVQ	addr+0(FP), RARG0
	MOVQ	sz+8(FP), RARG1
	// void __msan_read_go(void *addr, uintptr_t sz);
	MOVQ	$__msan_read_go(SB), AX
	JMP	msancall<>(SB)

	{"runtime.racefuncexit", 1},
	{"runtime.raceread", 1},
	{"runtime.racewrite", 1},
	{"runtime.racereadrange", 1},
	{"runtime.racewriterange", 1},
	{"runtime.msanread", 1},
	{"runtime.msanwrite", 1},
	{"runtime.msanmove", 1},
	{"runtime.asanread", 1},
	{"runtime.asanwrite", 1},
	{"runtime.checkptrAlignment", 1},
	{"runtime.checkptrArithmetic", 1},
	{"runtime.libfuzzerTraceCmp1", 1},

const asanenabled = true

// asan{read,write} are nosplit because they may be called between
// fork and exec, when the stack must not grow. See issue #50391.

//go:linkname asanread
//go:nosplit
func asanread(addr unsafe.Pointer, sz uintptr) {
	sp := getcallersp()
	pc := getcallerpc()
	doasanread(addr, sz, sp, pc)
}

//go:linkname asanwrite
//go:nosplit

// license that can be found in the LICENSE file.

//go:build asan

package asan

import (
	"unsafe"
)

const Enabled = true

//go:linkname Read runtime.asanread
func Read(addr unsafe.Pointer, len uintptr)

//go:linkname Write runtime.asanwrite

                    }
                }
            }
        } else {
            File pluginXml = new File(extensionJar, getExtensionDescriptorLocation());

            if (pluginXml.canRead()) {
                try (InputStream is = Files.newInputStream(pluginXml.toPath())) {
                    extensionDescriptor = build(is);
                }
            }
        }

            if (!directory.isDirectory()) {
                throw new IllegalArgumentException(String.format("Cache directory %s must be a directory", directory));
            }
            if (!directory.canRead()) {
                throw new IllegalArgumentException(String.format("Cache directory %s must be readable", directory));
            }
            if (!directory.canWrite()) {