// license that can be found in the LICENSE file.

package pe

import (
	"encoding/binary"
	"fmt"
	"internal/saferio"
	"io"
	"strconv"
)

// SectionHeader32 represents real PE COFF section header.
type SectionHeader32 struct {
	Name                 [8]uint8
	VirtualSize          uint32
	VirtualAddress       uint32
	SizeOfRawData        uint32
	PointerToRawData     uint32
	PointerToRelocations uint32

	F_FDPR_PROF = 0x0010
	F_FDPR_OPTI = 0x0020
	F_DSA       = 0x0040
	F_VARPG     = 0x0100
	F_DYNLOAD   = 0x1000
	F_SHROBJ    = 0x2000
	F_LOADONLY  = 0x4000
)

// Section Header.
type SectionHeader32 struct {
	Sname    [8]byte // Section name
	Spaddr   uint32  // Physical address
	Svaddr   uint32  // Virtual address
	Ssize    uint32  // Section size
	Sscnptr  uint32  // Offset in file to raw data for section

	binary.Write(&buf, binary.LittleEndian, int32(0x3c+4))

	buf.Write([]byte{'P', 'E', 0, 0})

	binary.Write(&buf, binary.LittleEndian, pe.FileHeader{NumberOfSections: 1})

	sh := pe.SectionHeader32{
		Name:             [8]uint8{'t', 0},
		SizeOfRawData:    uint32(paddingSize + len(buildInfoMagic)),
		PointerToRawData: uint32(buf.Len()),
	}
	sh.PointerToRawData = uint32(buf.Len() + binary.Size(sh))

	if err != nil {
		return nil, err
	}

	// Process sections.
	f.Sections = make([]*Section, f.FileHeader.NumberOfSections)
	for i := 0; i < int(f.FileHeader.NumberOfSections); i++ {
		sh := new(SectionHeader32)
		if err := binary.Read(sr, binary.LittleEndian, sh); err != nil {
			return nil, err
		}
		name, err := sh.fullName(f.StringTable)
		if err != nil {
			return nil, err
		}
		s := new(Section)

	}
	f.Sections = make([]*Section, 0, c)
	for i := 0; i < int(nscns); i++ {
		var scnptr uint64
		s := new(Section)
		switch f.TargetMachine {
		case U802TOCMAGIC:
			shdr := new(SectionHeader32)
			if err := binary.Read(sr, binary.BigEndian, shdr); err != nil {
				return nil, err
			}
			s.Name = cstring(shdr.Sname[:])
			s.VirtualAddress = uint64(shdr.Svaddr)
			s.Size = uint64(shdr.Ssize)

	out.WriteStringN("", int(sect.sizeOfRawData-n))
}

// write writes COFF section sect into the output file.
func (sect *peSection) write(out *OutBuf, linkmode LinkMode) error {
	h := pe.SectionHeader32{
		VirtualSize:          sect.virtualSize,
		SizeOfRawData:        sect.sizeOfRawData,
		PointerToRawData:     sect.pointerToRawData,
		PointerToRelocations: sect.pointerToRelocations,

		{"SectionHeader.VirtualSize", Field, 0},
		{"SectionHeader32", Type, 0},
		{"SectionHeader32.Characteristics", Field, 0},
		{"SectionHeader32.Name", Field, 0},
		{"SectionHeader32.NumberOfLineNumbers", Field, 0},
		{"SectionHeader32.NumberOfRelocations", Field, 0},
		{"SectionHeader32.PointerToLineNumbers", Field, 0},
		{"SectionHeader32.PointerToRawData", Field, 0},
		{"SectionHeader32.PointerToRelocations", Field, 0},

pkg debug/pe, type SectionHeader32 struct
pkg debug/pe, type SectionHeader32 struct, Characteristics uint32
pkg debug/pe, type SectionHeader32 struct, Name [8]uint8
pkg debug/pe, type SectionHeader32 struct, NumberOfLineNumbers uint16
pkg debug/pe, type SectionHeader32 struct, NumberOfRelocations uint16
pkg debug/pe, type SectionHeader32 struct, PointerToLineNumbers uint32