1 #include "StreamWriter.h"
2 #include "llvm/ADT/StringExtras.h"
3 #include "llvm/Support/Format.h"
4 #include <cctype>
5
6 using namespace llvm::support;
7
8 namespace llvm {
9
operator <<(raw_ostream & OS,const HexNumber & Value)10 raw_ostream &operator<<(raw_ostream &OS, const HexNumber& Value) {
11 uint64_t N = Value.Value;
12 // Zero is a special case.
13 if (N == 0)
14 return OS << "0x0";
15
16 char NumberBuffer[20];
17 char *EndPtr = NumberBuffer + sizeof(NumberBuffer);
18 char *CurPtr = EndPtr;
19
20 while (N) {
21 uintptr_t X = N % 16;
22 *--CurPtr = (X < 10 ? '0' + X : 'A' + X - 10);
23 N /= 16;
24 }
25
26 OS << "0x";
27 return OS.write(CurPtr, EndPtr - CurPtr);
28 }
29
printBinaryImpl(StringRef Label,StringRef Str,ArrayRef<uint8_t> Data,bool Block)30 void StreamWriter::printBinaryImpl(StringRef Label, StringRef Str,
31 ArrayRef<uint8_t> Data, bool Block) {
32 if (Data.size() > 16)
33 Block = true;
34
35 if (Block) {
36 startLine() << Label;
37 if (Str.size() > 0)
38 OS << ": " << Str;
39 OS << " (\n";
40 for (size_t addr = 0, end = Data.size(); addr < end; addr += 16) {
41 startLine() << format(" %04" PRIX64 ": ", uint64_t(addr));
42 // Dump line of hex.
43 for (size_t i = 0; i < 16; ++i) {
44 if (i != 0 && i % 4 == 0)
45 OS << ' ';
46 if (addr + i < end)
47 OS << hexdigit((Data[addr + i] >> 4) & 0xF, false)
48 << hexdigit(Data[addr + i] & 0xF, false);
49 else
50 OS << " ";
51 }
52 // Print ascii.
53 OS << " |";
54 for (std::size_t i = 0; i < 16 && addr + i < end; ++i) {
55 if (std::isprint(Data[addr + i] & 0xFF))
56 OS << Data[addr + i];
57 else
58 OS << ".";
59 }
60 OS << "|\n";
61 }
62
63 startLine() << ")\n";
64 } else {
65 startLine() << Label << ":";
66 if (Str.size() > 0)
67 OS << " " << Str;
68 OS << " (";
69 for (size_t i = 0; i < Data.size(); ++i) {
70 if (i > 0)
71 OS << " ";
72
73 OS << format("%02X", static_cast<int>(Data[i]));
74 }
75 OS << ")\n";
76 }
77 }
78
79 } // namespace llvm
80