// The external linker refers main symbol directly.
		if d.ctxt.LinkMode == LinkExternal && (d.ctxt.BuildMode == BuildModeExe || d.ctxt.BuildMode == BuildModePIE) {
			if d.ctxt.HeadType == objabi.Hwindows && d.ctxt.Arch.Family == sys.I386 {
				*flagEntrySymbol = "_main"
			} else {
				*flagEntrySymbol = "main"
			}
		}
		names = append(names, *flagEntrySymbol)
	}
	// runtime.unreachableMethod is a function that will throw if called.

				// x86 the relocation applies to bytes [1:5] of the 5 byte call
				// instruction).
				deferreturn = uint32(r.Off())
				switch target.Arch.Family {
				case sys.AMD64, sys.I386:
					deferreturn--
				case sys.ARM, sys.ARM64, sys.Loong64, sys.MIPS, sys.MIPS64, sys.PPC64, sys.RISCV64:
					// no change
				case sys.S390X:
					deferreturn -= 2
				default:

		},
		sys.AMD64, sys.I386, sys.ARM64, sys.ARM, sys.S390X, sys.MIPS, sys.PPC64, sys.Wasm)
	addF("math/bits", "TrailingZeros32",
		func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value {
			return s.newValue1(ssa.OpCtz32, types.Types[types.TINT], args[0])
		},
		sys.AMD64, sys.I386, sys.ARM64, sys.ARM, sys.S390X, sys.MIPS, sys.PPC64, sys.Wasm)

			gogo(&gp.sched) // never return
		}
	}

	if gp.stack.lo == 0 {
		throw("missing stack in newstack")
	}
	sp := gp.sched.sp
	if goarch.ArchFamily == goarch.AMD64 || goarch.ArchFamily == goarch.I386 || goarch.ArchFamily == goarch.WASM {
		// The call to morestack cost a word.
		sp -= goarch.PtrSize
	}
	if stackDebug >= 1 || sp < gp.stack.lo {

build:ios_sim_arm64 --config=ios
build:ios_sim_arm64 --cpu=ios_sim_arm64
build:ios_x86_64 --config=ios
build:ios_x86_64 --cpu=ios_x86_64
build:ios_fat --config=ios
build:ios_fat --ios_multi_cpus=armv7,arm64,i386,x86_64

# Config to use a mostly-static build and disable modular op registration
# support (this will revert to loading TensorFlow with RTLD_GLOBAL in Python).
# By default, TensorFlow will build with a dependence on

 * $FreeBSD: src/sys/amd64/include/elf.h,v 1.18 2004/08/03 08:21:48 dfr Exp $
 * $FreeBSD: src/sys/arm/include/elf.h,v 1.5.2.1 2006/06/30 21:42:52 cognet Exp $
 * $FreeBSD: src/sys/i386/include/elf.h,v 1.16 2004/08/02 19:12:17 dfr Exp $
 * $FreeBSD: src/sys/powerpc/include/elf.h,v 1.7 2004/11/02 09:47:01 ssouhlal Exp $
 * $FreeBSD: src/sys/sparc64/include/elf.h,v 1.12 2003/09/25 01:10:26 peter Exp $

#ifdef GOOS_darwin
#define NEED_OS_SUPPORT_AX V3_OS_SUPPORT_AX
// These values are from:
// https://github.com/apple/darwin-xnu/blob/xnu-4570.1.46/osfmk/i386/cpu_capabilities.h
#define commpage64_base_address         0x00007fffffe00000
#define commpage64_cpu_capabilities64   (commpage64_base_address+0x010)
#define commpage64_version              (commpage64_base_address+0x01E)

	}
	return flags
}

// hostlinkArchArgs returns arguments to pass to the external linker
// based on the architecture.
func hostlinkArchArgs(arch *sys.Arch) []string {
	switch arch.Family {
	case sys.I386:
		return []string{"-m32"}
	case sys.AMD64:
		if buildcfg.GOOS == "darwin" {
			return []string{"-arch", "x86_64", "-m64"}
		}
		return []string{"-m64"}
	case sys.S390X:
		return []string{"-m64"}

	{0x4d, 0x5a, 0x90, 0x00, 0x03, 0x00},      // PE (Windows) as generated by 6l/8l and gcc
	{0x4d, 0x5a, 0x78, 0x00, 0x01, 0x00},      // PE (Windows) as generated by llvm for dll
	{0x00, 0x00, 0x01, 0xEB},                  // Plan 9 i386
	{0x00, 0x00, 0x8a, 0x97},                  // Plan 9 amd64
	{0x00, 0x00, 0x06, 0x47},                  // Plan 9 arm
	{0x00, 0x61, 0x73, 0x6D},                  // WASM

			r.SetAdd(int64(tplt))

			// jmp *addr
			switch ctxt.Arch.Family {
			default:
				return fmt.Errorf("internal error in windynrelocsym: unsupported arch %v", ctxt.Arch.Family)
			case sys.I386:
				rel.AddUint8(0xff)
				rel.AddUint8(0x25)
				rel.AddAddrPlus(ctxt.Arch, targ, 0)
				rel.AddUint8(0x90)
				rel.AddUint8(0x90)
			case sys.AMD64:
				rel.AddUint8(0xff)
				rel.AddUint8(0x24)