// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package amd64

const (
	maxAlign  = 32 // max data alignment
	minAlign  = 1  // min data alignment
	funcAlign = 32
)

/* Used by ../internal/ld/dwarf.go */
const (
	dwarfRegSP = 7
	dwarfRegLR = 16

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package x86

const (
	maxAlign  = 32 // max data alignment
	minAlign  = 1  // min data alignment
	funcAlign = 16
)

/* Used by ../internal/ld/dwarf.go */
const (
	dwarfRegSP = 4
	dwarfRegLR = 8

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

const (
	MaxAlign  = 32 // max data alignment
	MinAlign  = 1  // min data alignment
	FuncAlign = 4
)

/* Used by ../internal/ld/dwarf.go */
const (
	DWARFREGSP = 29
	DWARFREGLR = 31

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

const (
	maxAlign  = 32 // max data alignment
	minAlign  = 1  // min data alignment
	funcAlign = 16
)

/* Used by ../internal/ld/dwarf.go */
const (
	dwarfRegSP = 31
	dwarfRegLR = 30

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

const (
	maxAlign  = 32 // max data alignment
	minAlign  = 1  // min data alignment
	funcAlign = 8
)

/* Used by ../internal/ld/dwarf.go */
const (
	dwarfRegSP = 29
	dwarfRegLR = 31

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

const (
	maxAlign  = 32 // max data alignment
	minAlign  = 1  // min data alignment
	funcAlign = 16
)

/* Used by ../internal/ld/dwarf.go */
const (
	dwarfRegSP = 1
	dwarfRegLR = 65

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

const (
	maxAlign  = 32 // max data alignment
	minAlign  = 2  // min data alignment
	funcAlign = 16
)

/* Used by ../internal/ld/dwarf.go */
const (
	dwarfRegSP = 15
	dwarfRegLR = 14

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

const (
	maxAlign  = 8 // max data alignment
	minAlign  = 1 // min data alignment
	funcAlign = 4 // single-instruction alignment
)

/* Used by ../internal/ld/dwarf.go */
const (
	dwarfRegSP = 13
	dwarfRegLR = 14

//  c.qcount < c.dataqsiz implies that c.sendq is empty.

import (
	"internal/abi"
	"internal/runtime/atomic"
	"runtime/internal/math"
	"unsafe"
)

const (
	maxAlign  = 8
	hchanSize = unsafe.Sizeof(hchan{}) + uintptr(-int(unsafe.Sizeof(hchan{}))&(maxAlign-1))
	debugChan = false
)

type hchan struct {
	qcount   uint           // total data in the queue
	dataqsiz uint           // size of the circular queue

	// any of them counts as writing to result.
	retRegs []string
	// calculated during initialization
	sizes    types.Sizes
	intSize  int
	ptrSize  int
	maxAlign int
}

// An asmFunc describes the expected variables for a function on a given architecture.
type asmFunc struct {
	arch        *asmArch
	size        int // size of all arguments
	vars        map[string]*asmVar