package pe

import (
	"encoding/binary"
	"errors"
	"fmt"
	"internal/saferio"
	"io"
	"unsafe"
)

const COFFSymbolSize = 18

// COFFSymbol represents single COFF symbol table record.
type COFFSymbol struct {
	Name               [8]uint8
	Value              uint32
	SectionNumber      int16
	Type               uint16
	StorageClass       uint8
	NumberOfAuxSymbols uint8
}

//
// Callers should set the unwindSilentErrors flag on u.
func tracebackPCs(u *unwinder, skip int, pcBuf []uintptr) int {
	var cgoBuf [32]uintptr
	n := 0
	for ; n < len(pcBuf) && u.valid(); u.next() {
		f := u.frame.fn
		cgoN := u.cgoCallers(cgoBuf[:])

		// TODO: Why does &u.cache cause u to escape? (Same in traceback2)

import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Arrays;


/**
 * Parse and hide given symbols in on object file based on COFF format documented
 * here: https://docs.microsoft.com/en-us/windows/desktop/debug/pe-format
 */
public class SymbolHider {
    DataReader data;
    private byte[] objectBytes;

    private static class DataReader {

	// at each iteration and checking whether there is a nonzero
	// coefficient to look up a multiple of.
	for ; i >= 0; i-- {
		tmp1.Double(tmp2)

		// Only update v if we have a nonzero coeff to add in.
		if aNaf[i] > 0 {
			v.fromP1xP1(tmp1)
			aTable.SelectInto(multA, aNaf[i])
			tmp1.Add(v, multA)
		} else if aNaf[i] < 0 {
			v.fromP1xP1(tmp1)
			aTable.SelectInto(multA, -aNaf[i])

// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Package loadpe implements a PE/COFF file reader.
package loadpe

import (
	"bytes"
	"cmd/internal/bio"
	"cmd/internal/objabi"
	"cmd/internal/sys"
	"cmd/link/internal/loader"
	"cmd/link/internal/sym"
	"debug/pe"
	"encoding/binary"
	"errors"
	"fmt"
	"io"
	"strings"

		if fno <= 0 {
			return ""
		}
		return t.string(t.binary.Uint32(t.filetab[4*fno:]))
	}
	// Go ≥ 1.16
	if fno < 0 { // 0 is valid for ≥ 1.16
		return ""
	}
	cuoff := f.cuOffset()
	if fnoff := t.binary.Uint32(t.cutab[(cuoff+uint32(fno))*4:]); fnoff != ^uint32(0) {
		return t.stringFrom(t.filetab, fnoff)
	}
	return ""
}

     (TFL_MulOp:$mul_out1
      (TFL_AddOp:$add_out1 $arg0,
       (TFL_MulOp:$mul_out2
        (TFL_PowOp:$pow_out $arg0, (Arith_ConstantOp F32ElementsAttr:$Cst_3)),
        (Arith_ConstantOp F32ElementsAttr:$Coeff), TFL_AF_None), TFL_AF_None),
      (Arith_ConstantOp F32ElementsAttr:$Cst_sqrt_2dPi), TFL_AF_None)),
    (Arith_ConstantOp F32ElementsAttr:$Cst_1), TFL_AF_None), TFL_AF_None),
  (TFL_GeluOp $arg0, ConstBoolAttrTrue),

type File struct {
	FileHeader
	OptionalHeader any // of type *OptionalHeader32 or *OptionalHeader64
	Sections       []*Section
	Symbols        []*Symbol    // COFF symbols with auxiliary symbol records removed
	COFFSymbols    []COFFSymbol // all COFF symbols (including auxiliary symbol records)
	StringTable    StringTable

	closer io.Closer
}

	n, p, q *bigmod.Modulus // moduli for CRT with Montgomery precomputed constants
}

// CRTValue contains the precomputed Chinese remainder theorem values.
type CRTValue struct {
	Exp   *big.Int // D mod (prime-1).
	Coeff *big.Int // R·Coeff ≡ 1 mod Prime.
	R     *big.Int // product of primes prior to this (inc p and q).
}

// Validate performs basic sanity checks on the key.

		if ok && seg.Addr != 0 && seg.Filesz != 0 && seg.Prot == RW && seg.Maxprot == RW {
			return seg.Addr, seg.Memsz
		}
	}
	return 0, 0
}

// xcoffExe is the XCOFF (AIX eXtended COFF) implementation of the exe interface.
type xcoffExe struct {
	f *xcoff.File
}

func (x *xcoffExe) ReadData(addr, size uint64) ([]byte, error) {
	for _, sect := range x.f.Sections {