$text .= "\t}\n";
	}
	$text .= "\treturn\n";
	$text .= "}\n\n";
	if($libc) {
		if (not exists $trampolines{$funcname}) {
			$trampolines{$funcname} = 1;
			# The assembly trampoline that jumps to the libc routine.
			$text .= "func ${funcname}_trampoline()\n\n";
			# Tell the linker that funcname can be found in libSystem using varname without the libc_ prefix.
			my $basename = substr $funcname, 5;

	if thearch.Trampoline == nil || isTramp {
		return 0
	}

	n := uint64(0)
	relocs := ldr.Relocs(s)
	for ri := 0; ri < relocs.Count(); ri++ {
		r := relocs.At(ri)
		if r.Type().IsDirectCallOrJump() {
			n++
		}
	}

	switch {
	case ctxt.IsARM():
		return n * 20 // Trampolines in ARM range from 3 to 5 instructions.
	case ctxt.IsARM64():

	return ctxt.IsSharedGoLink()
}

// resolve direct jump relocation r in s, and add trampoline if necessary.
func trampoline(ctxt *ld.Link, ldr *loader.Loader, ri int, rs, s loader.Sym) {

	// Trampolines are created if the branch offset is too large and the linker cannot insert a call stub to handle it.
	// For internal linking, trampolines are always created for long calls.

	flagInterpreter   = flag.String("I", "", "use `linker` as ELF dynamic linker")
	flagCheckLinkname = flag.Bool("checklinkname", true, "check linkname symbol references")
	FlagDebugTramp    = flag.Int("debugtramp", 0, "debug trampolines")
	FlagDebugTextSize = flag.Int("debugtextsize", 0, "debug text section max size")
	flagDebugNosplit  = flag.Bool("debugnosplit", false, "dump nosplit call graph")

	f1()
}

// Test deferreturn trampolines. See issue #39049.
func f1() { defer f2() }
func f2() { panic("XXX") }
`

func TestTrampoline(t *testing.T) {
	// Test that trampoline insertion works as expected.
	// For stress test, we set -debugtramp=2 flag, which sets a very low
	// threshold for trampoline generation, and essentially all cross-package
	// calls will use trampolines.
	buildmodes := []string{"default"}

	pc := ldr.SymValue(s) + int64(r.Off())

	// If the call points to a trampoline, see if we can reach the symbol
	// directly. This situation can occur when the relocation symbol is
	// not assigned an address until after the trampolines are generated.
	if r.Type() == objabi.R_RISCV_JAL_TRAMP {
		relocs := ldr.Relocs(rs)
		if relocs.Count() != 1 {
			ldr.Errorf(s, "trampoline %v has %d relocations", ldr.SymName(rs), relocs.Count())
		}

					// so recheck them.
					rescan = true
				}
			case AJAL:
				// Linker will handle the intersymbol case and trampolines.
				if p.To.Target() == nil {
					if !big {
						break
					}
					// This function is going to be too large for JALs
					// to reach trampolines. Replace with AUIPC+JALR.
					jmp := obj.Appendp(p, newprog)
					jmp.As = AJALR
					jmp.From = p.From

		}
		if t >= 1<<27 || t < -1<<27 || ldr.SymValue(rs) == 0 || (*ld.FlagDebugTramp > 1 && (ldr.SymPkg(s) == "" || ldr.SymPkg(s) != ldr.SymPkg(rs))) {
			// direct call too far, need to insert trampoline.
			// look up existing trampolines first. if we found one within the range
			// of direct call, we can reuse it. otherwise create a new one.
			var tramp loader.Sym
			for i := 0; ; i++ {
				oName := ldr.SymName(rs)

}

type Arch struct {
	Funcalign  int
	Maxalign   int
	Minalign   int
	Dwarfregsp int
	Dwarfreglr int

	// Threshold of total text size, used for trampoline insertion. If the total
	// text size is smaller than TrampLimit, we won't need to insert trampolines.
	// It is pretty close to the offset range of a direct CALL machine instruction.
	// We leave some room for extra stuff like PLT stubs.
	TrampLimit uint64

			t.Errorf("check failed for testcase %s -- wanted:\n%s\ngot:%s\n",
				tc.tag, tc.expected, foundParams)
		}
	}
}
func TestIssue54320(t *testing.T) {
	// Check that when trampolines are used, the DWARF LPT is correctly
	// emitted in the final binary
	testenv.MustHaveGoBuild(t)

	mustHaveDWARF(t)

	t.Parallel()

	const prog = `
package main

import "fmt"