package x86asm

import (
	"fmt"
	"strings"
)

// IntelSyntax returns the Intel assembler syntax for the instruction, as defined by Intel's XED tool.
func IntelSyntax(inst Inst, pc uint64, symname SymLookup) string {
	if symname == nil {
		symname = func(uint64) (string, uint64) { return "", 0 }
	}

	var iargs []Arg
	for _, a := range inst.Args {
		if a == nil {
			break
		}
		iargs = append(iargs, a)
	}

	doInit(initTasks)

	// Fill out the value of each plugin symbol.
	updatedSyms := map[string]any{}
	for symName, sym := range syms {
		isFunc := symName[0] == '.'
		if isFunc {
			delete(syms, symName)
			symName = symName[1:]
		}

		fullName := pluginpath + "." + symName
		cname := make([]byte, len(fullName)+1)
		copy(cname, fullName)

		if targType == sym.SDYNIMPORT {
			ldr.Errorf(s, "unexpected R_AARCH64_PREL32 relocation for dynamic symbol %s", ldr.SymName(targ))
		}
		if targType == 0 || targType == sym.SXREF {
			ldr.Errorf(s, "unknown symbol %s in pcrel", ldr.SymName(targ))
		}
		su := ldr.MakeSymbolUpdater(s)
		su.SetRelocType(rIdx, objabi.R_PCREL)
		su.SetRelocAdd(rIdx, r.Add()+4)
		return true

		relocs := ldr.Relocs(rs)
		if relocs.Count() != 1 {
			ldr.Errorf(s, "trampoline %v has %d relocations", ldr.SymName(rs), relocs.Count())
		}
		tr := relocs.At(0)
		if tr.Type() != objabi.R_RISCV_CALL {
			ldr.Errorf(s, "trampoline %v has unexpected relocation %v", ldr.SymName(rs), tr.Type())
		}
		trs := tr.Sym()

	// sift down
	i := 0
	for {
		c := 2*i + 1 // left child
		if c >= n {
			break
		}
		if c1 := c + 1; c1 < n && ldr.SymName((*h)[c1]) < ldr.SymName((*h)[c]) {
			c = c1 // right child
		}
		if ldr.SymName((*h)[i]) <= ldr.SymName((*h)[c]) {
			break
		}
		(*h)[i], (*h)[c] = (*h)[c], (*h)[i]
		i = c
	}

	return r
}

// PC-relative addresses into absolute ones.
// The symname function queries the symbol table for the program
// being disassembled. Given a target address it returns the name and base
// address of the symbol containing the target, if any; otherwise it returns "", 0.
func GoSyntax(inst Inst, pc uint64, symname SymLookup) string {
	if symname == nil {
		symname = func(uint64) (string, uint64) { return "", 0 }
	}
	var args []string

				rsn := d.ldr.SymName(rs)
				if !strings.Contains(rsn, "map.init") {
					panic(fmt.Sprintf("internal error: expected map.init sym for weak call reloc, got %s -> %s", d.ldr.SymName(idx), rsn))
				}
				d.ldr.SetAttrReachable(d.mapinitnoop, true)
				if d.ctxt.Debugvlog > 1 {
					d.ctxt.Logf("deadcode: %s rewrite %s ref to %s\n",
						d.ldr.SymName(idx), rsn,
						d.ldr.SymName(d.mapinitnoop))

	return open(path)
}

// Lookup searches for a symbol named symName in plugin p.
// A symbol is any exported variable or function.
// It reports an error if the symbol is not found.
// It is safe for concurrent use by multiple goroutines.
func (p *Plugin) Lookup(symName string) (Symbol, error) {
	return lookup(p, symName)
}

// A Symbol is a pointer to a variable or function.
//

		if targType == sym.SDYNIMPORT {
			ldr.Errorf(s, "unexpected R_X86_64_PC32 relocation for dynamic symbol %s", ldr.SymName(targ))
		}
		if targType == 0 || targType == sym.SXREF {
			ldr.Errorf(s, "unknown symbol %s in pcrel", ldr.SymName(targ))
		}
		su := ldr.MakeSymbolUpdater(s)
		su.SetRelocType(rIdx, objabi.R_PCREL)
		su.SetRelocAdd(rIdx, r.Add()+4)
		return true

		nam := fn.Nname
		if ir.IsBlank(nam) {
			continue
		}
		sym := nam.Sym()

		symName := sym.Linkname
		if symName == "" {
			symName = sym.Pkg.Prefix + "." + sym.Name
		}
		symName = s.canonicalize(symName)

		// Apply definitions.
		defABI, hasDefABI := s.defs[symName]
		if hasDefABI {
			if len(fn.Body) != 0 {
				base.ErrorfAt(fn.Pos(), 0, "%v defined in both Go and assembly", fn)