func main() {
log.SetFlags(0)
log.SetPrefix("armspec: ")
if len(os.Args) != 2 {
fmt.Fprintf(os.Stderr, "usage: armspec file.pdf\n")
os.Exit(2)
}
f, err := pdf.Open(os.Args[1])
if err != nil {
log.Fatal(err)
}
// Find instruction set reference in outline, to build instruction list.
instList := instHeadings(f.Outline())
if len(instList) < 200 {
log.Fatalf("only found %d instructions in table of contents", len(instList))
}
stdout = bufio.NewWriter(os.Stdout)
fmt.Fprintf(stdout, "[")
numTable := 0
defer stdout.Flush()
// Scan document looking for instructions.
// Must find exactly the ones in the outline.
n := f.NumPage()
PageLoop:
for pageNum := 1; pageNum <= n; pageNum++ {
if debugPage > 0 && pageNum != debugPage {
continue
}
if pageNum > 1127 {
break
}
p := f.Page(pageNum)
name, table := parsePage(pageNum, p)
if name == "" {
continue
}
if len(table) < 1 {
if false {
fmt.Fprintf(os.Stderr, "no encodings for instruction %q (page %d)\n", name, pageNum)
}
continue
}
for _, inst := range table {
if numTable > 0 {
fmt.Fprintf(stdout, ",")
}
numTable++
js, _ := json.Marshal(inst)
fmt.Fprintf(stdout, "\n%s", jsFix.Replace(string(js)))
}
for j, headline := range instList {
if name == headline {
instList[j] = ""
continue PageLoop
}
}
fmt.Fprintf(os.Stderr, "unexpected instruction %q (page %d)\n", name, pageNum)
}
fmt.Fprintf(stdout, "\n]\n")
stdout.Flush()
if debugPage == 0 {
for _, headline := range instList {
if headline != "" {
switch headline {
default:
fmt.Fprintf(os.Stderr, "missing instruction %q\n", headline)
case "CHKA": // ThumbEE
case "CPS": // system instruction
case "CPY": // synonym for MOV
case "ENTERX": // ThumbEE
case "F* (former VFP instruction mnemonics)": // synonyms
case "HB, HBL, HBLP, HBP": // ThumbEE
case "LEAVEX": // ThumbEE
case "MOV (shifted register)": // pseudo instruction for ASR, LSL, LSR, ROR, and RRX
case "NEG": // synonym for RSB
case "RFE": // system instruction
case "SMC (previously SMI)": // system instruction
case "SRS": // system instruction
case "SUBS PC, LR and related instructions": // system instruction
case "VAND (immediate)": // pseudo instruction
case "VCLE (register)": // pseudo instruction
case "VCLT (register)": // pseudo instruction
case "VORN (immediate)": // pseudo instruction
}
}
}
}
}
func main() {
log.SetFlags(0)
log.SetPrefix("armspec: ")
if len(os.Args) != 2 {
fmt.Fprintf(os.Stderr, "usage: armspec file.pdf\n")
os.Exit(2)
}
f, err := pdf.Open(os.Args[1])
if err != nil {
log.Fatal(err)
}
// Find instruction set reference in outline, to build instruction list.
instList := instHeadings(f.Outline())
if len(instList) < 200 {
log.Fatalf("only found %d instructions in table of contents", len(instList))
}
var all = []Inst{
// Split across multiple columns and pages!
{"Count Leading Zeros Word X-form", "cntlzw RA, RS (Rc=0)\ncntlzw. RA, RS (Rc=1)", "31@0|RS@6|RA@11|///@16|26@21|Rc@31|"},
}
for j, headline := range instList {
for _, inst := range all {
if headline == inst.Name {
instList[j] = ""
break
}
}
}
// Scan document looking for instructions.
// Must find exactly the ones in the outline.
n := f.NumPage()
for pageNum := 1; pageNum <= n; pageNum++ {
if debugPage > 0 && pageNum != debugPage {
continue
}
p := f.Page(pageNum)
table := parsePage(pageNum, p)
if len(table) == 0 {
continue
}
InstLoop:
for _, inst := range table {
for j, headline := range instList {
if inst.Name == headline {
instList[j] = ""
continue InstLoop
}
}
fmt.Fprintf(os.Stderr, "page %d: unexpected instruction %q\n", pageNum, inst.Name)
}
all = append(all, table...)
}
if debugPage == 0 {
for _, headline := range instList {
if headline != "" {
switch headline {
default:
fmt.Fprintf(os.Stderr, "missing instruction %q\n", headline)
case "CHKA": // ThumbEE
case "CPS": // system instruction
case "CPY": // synonym for MOV
case "ENTERX": // ThumbEE
case "F* (former VFP instruction mnemonics)": // synonyms
case "HB, HBL, HBLP, HBP": // ThumbEE
case "LEAVEX": // ThumbEE
case "MOV (shifted register)": // pseudo instruction for ASR, LSL, LSR, ROR, and RRX
case "NEG": // synonym for RSB
case "RFE": // system instruction
case "SMC (previously SMI)": // system instruction
case "SRS": // system instruction
case "SUBS PC, LR and related instructions": // system instruction
case "VAND (immediate)": // pseudo instruction
case "VCLE (register)": // pseudo instruction
case "VCLT (register)": // pseudo instruction
case "VORN (immediate)": // pseudo instruction
}
}
}
}
stdout = bufio.NewWriter(os.Stdout)
for _, inst := range all {
fmt.Fprintf(stdout, "%q,%q,%q,%q\n", inst.Name, strings.Replace(inst.Text, "\n", "|", -1), inst.Enc, "")
}
stdout.Flush()
}
