// But -no-pie is not supported by all compilers, and clang spells it -nopie.
func (b *Builder) gccNoPie(linker []string) string {
	if b.gccSupportsFlag(linker, "-no-pie") {
		return "-no-pie"
	}
	if b.gccSupportsFlag(linker, "-nopie") {
		return "-nopie"
	}
	return ""
}

// gccSupportsFlag checks to see if the compiler supports a flag.

// the groundwork for turning a given relocation into an external reloc
// (to be applied by the external linker). For more on how relocations
// work in general, see
//
//	"Linkers and Loaders", by John R. Levine (Morgan Kaufmann, 1999), ch. 7
//
// This is a performance-critical function for the linker; be careful
// to avoid introducing unnecessary allocations in the main loop.

	// list can arrive a few different ways, but it will always
	// contain the init tasks computed by the linker for all the
	// packages in the program (excluding those added at runtime
	// by package plugin). Run through the modules in dependency
	// order (the order they are initialized by the dynamic
	// loader, i.e. they are added to the moduledata linked list).
	for m := &firstmoduledata; m != nil; m = m.next {
		doInit(m.inittasks)
	}

	// bound to.
	DF_1_NODIRECT DynFlag1 = 0x00020000
	// Reserved for internal use by the kernel runtime-linker.
	DF_1_IGNMULDEF DynFlag1 = 0x00040000
	// Reserved for internal use by the kernel runtime-linker.
	DF_1_NOKSYMS DynFlag1 = 0x00080000
	// Reserved for internal use by the kernel runtime-linker.
	DF_1_NOHDR DynFlag1 = 0x00100000
	// Indicates that this object has been edited or has been modified since the

//	-compiler name
//		name of compiler to use, as in runtime.Compiler (gccgo or gc).
//	-gccgoflags '[pattern=]arg list'
//		arguments to pass on each gccgo compiler/linker invocation.
//	-gcflags '[pattern=]arg list'
//		arguments to pass on each go tool compile invocation.
//	-installsuffix suffix
//		a suffix to use in the name of the package installation directory,

	CgoCXXFLAGS  []string `json:",omitempty"` // cgo: flags for C++ compiler
	CgoFFLAGS    []string `json:",omitempty"` // cgo: flags for Fortran compiler
	CgoLDFLAGS   []string `json:",omitempty"` // cgo: flags for linker
	CgoPkgConfig []string `json:",omitempty"` // cgo: pkg-config names

	// Dependency information
	Imports   []string          `json:",omitempty"` // import paths used by this package

				// but the relocations applied by the linker are relative to the end
				// of the relocation. Because immediate instruction
				// arguments can follow the PC-relative memory reference in the
				// instruction encoding, the two may not coincide. In this case,
				// adjust addend so that linker can keep relocating relative to the
				// end of the relocation.

// The remainder of the MakeFunc implementation is in makefunc.go.
//
// NOTE: This function must be marked as a "wrapper" in the generated code,
// so that the linker can make it work correctly for panic and recover.
// The gc compilers know to do that for the name "reflect.callReflect".
//
// ctxt is the "closure" generated by MakeFunc.

	bflag := 1

	var otxt int64
	var q *obj.Prog
	var out [5]uint32
	var falign int32 // Track increased alignment requirements for prefix.
	for bflag != 0 {
		bflag = 0
		pc = 0
		falign = 0 // Note, linker bumps function symbols to funcAlign.
		for p = c.cursym.Func().Text.Link; p != nil; p = p.Link {
			p.Pc = pc
			o = c.oplook(p)

			// very large conditional branches

		ParamFloatRegNames: "X0 X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 X11 X12 X13 X14",
		gpregmask:          gp,
		fpregmask:          fp,
		specialregmask:     x15,
		framepointerreg:    int8(num["BP"]),
		linkreg:            -1, // not used
	})