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Review stats (use virtual size instead of ELF file)

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Gaulthier Gain 2021-12-05 21:19:38 +01:00
parent 6e5d61f946
commit 134f6eb566
2 changed files with 49 additions and 15 deletions
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53
srcs/binarytool/elf64analyser/elf_stats.go
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@ -9,7 +9,9 @@ package elf64analyser
import (
"errors"
"fmt"
"math"
"os"
"sort"
"strconv"
"strings"
"text/tabwriter"
@ -207,21 +209,52 @@ func (analyser *ElfAnalyser) DisplayStatSize(elfFile *elf64core.ELF64File) {
var totalSizeText uint64
var totalSizeElf uint64
_, _ = fmt.Fprintf(w, "Name\tFile size (Bytes/Hex)\n")
for _, s := range elfFile.SectionsTable.DataSect {
if len(s.Name) > 0 {
_, _ = fmt.Fprintf(w, "%s\t%d (0x%x)\n", s.Name, s.Elf64section.Size, s.Elf64section.Size)
_, _ = fmt.Fprintf(w, "-----------------------------------------------------------------------\n")
_, _ = fmt.Fprintf(w, "Name\tVirtual Size (Bytes/Hex) \t#pages\tInfos:\n")
// Sort by addresses
dataSec := elfFile.SectionsTable.DataSect
sort.Slice(dataSec, func(i, j int) bool {
return dataSec[i].Elf64section.VirtualAddress < dataSec[j].Elf64section.VirtualAddress
})
for i, s := range elfFile.SectionsTable.DataSect { //&uint64(elf.SHF_WRITE)
if s.Elf64section.VirtualAddress > 0 {
var size uint64
var currNext = ""
if strings.Contains(s.Name, elf64core.IntrstackSection) || strings.Contains(s.Name, elf64core.TbssSection) {
size = s.Elf64section.Size
totalSizeElf += size
} else {
size = dataSec[i+1].Elf64section.VirtualAddress -
dataSec[i].Elf64section.VirtualAddress
totalSizeElf += size
currNext = fmt.Sprintf("0x%x -> 0x%x : (%s)-> (%s)", dataSec[i].Elf64section.VirtualAddress,
dataSec[i+1].Elf64section.VirtualAddress, dataSec[i].Name, dataSec[i+1].Name)
}
if strings.Contains(s.Name, elf64core.TextSection) {
totalSizeText += s.Elf64section.Size
if strings.Contains(s.Name, elf64core.TextSection) && strings.Contains(dataSec[i+1].Name, elf64core.TextSection) {
totalSizeText += size
} else if strings.Contains(s.Name, elf64core.TextSection) {
// Main application code
size = s.Elf64section.Size
totalSizeText += size
}
totalSizeElf += s.Elf64section.Size
_, _ = fmt.Fprintf(w, "%s\t%d (0x%x)\t%.2f\t%s\n", s.Name, size, size, float32(size)/float32(pageSize), currNext)
}
_, _ = fmt.Fprintf(w, "----------------------\t----------------------\n")
}
_, _ = fmt.Fprintf(w, "----------------------\t----------------------\t------\t----------------------------\n")
_, _ = fmt.Fprintf(w, "Total Size:\n")
_, _ = fmt.Fprintf(w, "Section .text:\t%d (0x%x)\n", totalSizeText, totalSizeText)
_, _ = fmt.Fprintf(w, "All sections:\t%d (0x%x)\n", totalSizeElf, totalSizeElf)
_, _ = fmt.Fprintf(w, "#Pages (.text):\t%d\n", totalSizeText/pageSize)
_, _ = fmt.Fprintf(w, "#Pages (all sections):\t%d\n", totalSizeElf/pageSize)
_, _ = fmt.Fprintf(w, "#Pages (.text):\t%d\n", roundPage(float64(totalSizeText)/float64(pageSize)))
_, _ = fmt.Fprintf(w, "#Pages (all sections):\t%d\n", roundPage(float64(totalSizeElf)/float64(pageSize)))
_ = w.Flush()
}
func roundPage(x float64) uint64 {
return uint64(math.Round(x + 0.5))
}

1
srcs/binarytool/elf64core/elf_constant.go
View file

@ -9,6 +9,7 @@ package elf64core
const (
TextSection = ".text"
BssSection = ".bss"
TbssSection = ".tbss"
DataSection = ".data"
RodataSection = ".rodata"
IntrstackSection = ".intrstack"