// Prepare for entry to Go.
	BL	runtime·load_g(SB)

	// Call cgocallback, which will call callbackWrap(frame).
	MOVW	$0, R0
	MOVW	R0, 12(R13)	// context
	MOVW	$16(R13), R1	// R1 = &callbackArgs{...}
	MOVW	R1, 8(R13)	// frame (address of callbackArgs)
	MOVW	$·callbackWrap(SB), R1
	MOVW	R1, 4(R13)	// PC of function to call
	BL	runtime·cgocallback(SB)

	// Get callback result.

func (c *ctxt9) rewriteToUseTOC(p *obj.Prog) {
	if p.As == obj.ATEXT || p.As == obj.AFUNCDATA || p.As == obj.ACALL || p.As == obj.ARET || p.As == obj.AJMP {
		return
	}

	if p.As == obj.ADUFFCOPY || p.As == obj.ADUFFZERO {
		// ADUFFZERO/ADUFFCOPY is considered as an ABL except in dynamic
		// link where it should be an indirect call.
		if !c.ctxt.Flag_dynlink {
			return
		}
		//     ADUFFxxx $offset
		// becomes

	ATRUNCFW
	ATRUNCDW
	AMOVWU
	AMOVFV
	AMOVDV
	AMOVVF
	AMOVVD

	/* MSA */
	AVMOVB
	AVMOVH
	AVMOVW
	AVMOVD

	ALAST

	// aliases
	AJMP = obj.AJMP
	AJAL = obj.ACALL
	ARET = obj.ARET
)

func init() {
	// The asm encoder generally assumes that the lowest 5 bits of the
	// REG_XX constants match the machine instruction encoding, i.e.

	bls.To.SetTarget(movw)

	// BL runtime.morestack
	call := obj.Appendp(movw, c.newprog)
	call.As = obj.ACALL
	call.To.Type = obj.TYPE_BRANCH
	morestack := "runtime.morestack"
	switch {
	case c.cursym.CFunc():
		morestack = "runtime.morestackc"
	case !c.cursym.Func().Text.From.Sym.NeedCtxt():
		morestack = "runtime.morestack_noctxt"
	}
	call.To.Sym = c.ctxt.Lookup(morestack)

		p.To.Reg = v.Reg()

	case ssa.Op386LoweredWB:
		p := s.Prog(obj.ACALL)
		p.To.Type = obj.TYPE_MEM
		p.To.Name = obj.NAME_EXTERN
		// AuxInt encodes how many buffer entries we need.
		p.To.Sym = ir.Syms.GCWriteBarrier[v.AuxInt-1]

	case ssa.Op386LoweredPanicBoundsA, ssa.Op386LoweredPanicBoundsB, ssa.Op386LoweredPanicBoundsC:
		p := s.Prog(obj.ACALL)
		p.To.Type = obj.TYPE_MEM
		p.To.Name = obj.NAME_EXTERN

# license that can be found in the LICENSE file.

# Generate Go code listing errors and other #defined constant
# values (ENAMETOOLONG etc.), by asking the preprocessor
# about the definitions.

unset LANG
export LC_ALL=C
export LC_CTYPE=C

CC=${CC:-gcc}

if [[ "$GOOS" -eq "solaris" ]]; then
	# Assumes GNU versions of utilities in PATH.
	export PATH=/usr/gnu/bin:$PATH
fi

uname=$(uname)

includes_AIX='

	BINVI	$1, X7, X8				// 13941368
	BSET	X8, X9, X10				// 33958428
	BSET	$63, X9					// 9394f42b
	BSETI	$1, X10, X11				// 93151528

	// Privileged ISA

	// 3.2.1: Environment Call and Breakpoint
	ECALL						// 73000000
	SCALL						// 73000000
	EBREAK						// 73001000
	SBREAK						// 73001000

	// Arbitrary bytes (entered in little-endian mode)
	WORD	$0x12345678	// WORD $305419896	// 78563412

	if ir.ConstOverflow(v, types.Types[types.TINT]) {
		return -2
	}
	return ir.IntVal(types.Types[types.TINT], v)
}

// callOrChan reports whether n is a call or channel operation.
func callOrChan(n ir.Node) bool {
	switch n.Op() {
	case ir.OAPPEND,
		ir.OCALL,
		ir.OCALLFUNC,
		ir.OCALLINTER,
		ir.OCALLMETH,
		ir.OCAP,
		ir.OCLEAR,
		ir.OCLOSE,
		ir.OCOMPLEX,
		ir.OCOPY,
		ir.ODELETE,

	I64Const $8
	Call	gcWriteBarrier<>(SB)
	Return
TEXT runtime·gcWriteBarrier2<ABIInternal>(SB),NOSPLIT,$0
	I64Const $16
	Call	gcWriteBarrier<>(SB)
	Return
TEXT runtime·gcWriteBarrier3<ABIInternal>(SB),NOSPLIT,$0
	I64Const $24
	Call	gcWriteBarrier<>(SB)
	Return
TEXT runtime·gcWriteBarrier4<ABIInternal>(SB),NOSPLIT,$0
	I64Const $32
	Call	gcWriteBarrier<>(SB)
	Return

	AVMSLEOG

	ANOPH // NOP

	// binary
	ABYTE
	AWORD
	ADWORD

	// Breakpoint
	ABRRK

	// end marker
	ALAST

	// aliases
	ABR = obj.AJMP
	ABL = obj.ACALL