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

//go:build arm

package atomic

import (
	"internal/cpu"
	"unsafe"
)

const (
	offsetARMHasV7Atomics = unsafe.Offsetof(cpu.ARM.HasV7Atomics)
)

// Export some functions via linkname to assembly in sync/atomic.
//
//go:linkname Xchg
//go:linkname Xchguintptr
//go:linkname Xadd

type spinlock struct {
	v uint32
}

		// of inodes. Therefore, we cannot make the assumption that it is safe
		// to skip entries with zero inodes.
		if ino == 0 && runtime.GOOS != "wasip1" {
			continue
		}
		const namoff = uint64(unsafe.Offsetof(syscall.Dirent{}.Name))
		namlen, ok := direntNamlen(rec)
		if !ok || namoff+namlen > uint64(len(rec)) {
			break
		}
		name := rec[namoff : namoff+namlen]
		for i, c := range name {
			if c == 0 {

	// If thread local slots are laid out as we expect, our magic word will
	// be located at some low offset from tlsbase. However, just in case something went
	// wrong, the search is limited to sensible offsets. PTHREAD_KEYS_MAX was the
	// original limit, but issue 19472 made a higher limit necessary.
	for (i=0; i<384; i++) {
		if (*(tlsbase+i) == (void*)magic1) {
			*tlsg = (void*)(i*sizeof(void *));
			pthread_setspecific(k, 0);

		a[i] = _Gid_t(v)
	}
	return setgroups(len(a), &a[0])
}

func direntIno(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
}

func direntReclen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
}

func direntNamlen(buf []byte) (uint64, bool) {
	reclen, ok := direntReclen(buf)
	if !ok {

/**
 * Checks the data in the content of the documents for equality structurally, ignoring:
 * * the [DeclarativeDocument] implementations,
 * * the differences in the source information, like source identifiers or the offsets in the source data,
 * * the source representations of the literal values (thus taking into account only the values),
 * * the error causes, thus considering all error nodes equal to each other but not to any other node.
 */

	}
}

// Parses x-amz-copy-source-range for CopyObjectPart API. Its behavior
// is different from regular HTTP range header. It only supports the
// form `bytes=first-last` where first and last are zero-based byte
// offsets. See
// http://docs.aws.amazon.com/AmazonS3/latest/API/mpUploadUploadPartCopy.html
// for full details. This function treats an empty rangeString as
// referring to the whole resource.

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

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

// The frames of each of the two functions below contain two locals, at offsets
// that are known to the runtime.
//
// The first local is a bool called retValid with a whole pointer-word reserved
// for it on the stack. The purpose of this word is so that the runtime knows

	access := uint32(syscall.FILE_MAP_READ | syscall.FILE_MAP_WRITE)
	addr, err := syscall.MapViewOfFile(
		mapObj,        // handle
		access,        // access
		0,             // offsetHigh
		0,             // offsetLow
		uintptr(size), // length
	)
	if err != nil {
		syscall.CloseHandle(mapObj)
		return nil, err
	}

	region := unsafe.Slice((*byte)(unsafe.Pointer(addr)), size)
	return &sharedMem{
		f:             f,

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

#include "textflag.h"
#include "funcdata.h"

#define	REGCTXT	R29

// The frames of each of the two functions below contain two locals, at offsets
// that are known to the runtime.
//
// The first local is a bool called retValid with a whole pointer-word reserved
// for it on the stack. The purpose of this word is so that the runtime knows

typedef struct {
	innerUnpacked g1;
	uint64_t g2;
} outerUnpacked;

size_t offset(int x) {
	switch (x) {
	case 0:
		return offsetof(innerPacked, f2);
	case 1:
		return offsetof(outerPacked, g2);
	case 2:
		return offsetof(innerUnpacked, f2);
	case 3:
		return offsetof(outerUnpacked, g2);
	default:
		abort();
	}
}

// issue 29748

typedef struct { char **p; } S29748;