Line | Count | Source |
1 | | //===- llvm/Support/LEB128.h - [SU]LEB128 utility functions -----*- C++ -*-===// |
2 | | // |
3 | | // The LLVM Compiler Infrastructure |
4 | | // |
5 | | // This file is distributed under the University of Illinois Open Source |
6 | | // License. See LICENSE.TXT for details. |
7 | | // |
8 | | //===----------------------------------------------------------------------===// |
9 | | // |
10 | | // This file declares some utility functions for encoding SLEB128 and |
11 | | // ULEB128 values. |
12 | | // |
13 | | //===----------------------------------------------------------------------===// |
14 | | |
15 | | /* Capstone Disassembly Engine */ |
16 | | /* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2019 */ |
17 | | |
18 | | #ifndef CS_LLVM_SUPPORT_LEB128_H |
19 | | #define CS_LLVM_SUPPORT_LEB128_H |
20 | | |
21 | | #include "include/capstone/capstone.h" |
22 | | |
23 | | /// Utility function to decode a ULEB128 value. |
24 | | static inline uint64_t decodeULEB128(const uint8_t *p, unsigned *n) |
25 | 107M | { |
26 | 107M | const uint8_t *orig_p = p; |
27 | 107M | uint64_t Value = 0; |
28 | 107M | unsigned Shift = 0; |
29 | 121M | do { |
30 | 121M | Value += (uint64_t)(*p & 0x7f) << Shift; |
31 | 121M | Shift += 7; |
32 | 121M | } while (*p++ >= 128); |
33 | 107M | if (n) |
34 | 107M | *n = (unsigned)(p - orig_p); |
35 | 107M | return Value; |
36 | 107M | } ARMDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 46.5M | { | 26 | 46.5M | const uint8_t *orig_p = p; | 27 | 46.5M | uint64_t Value = 0; | 28 | 46.5M | unsigned Shift = 0; | 29 | 51.4M | do { | 30 | 51.4M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 51.4M | Shift += 7; | 32 | 51.4M | } while (*p++ >= 128); | 33 | 46.5M | if (n) | 34 | 46.5M | *n = (unsigned)(p - orig_p); | 35 | 46.5M | return Value; | 36 | 46.5M | } |
AArch64Disassembler.c:decodeULEB128 Line | Count | Source | 25 | 15.8M | { | 26 | 15.8M | const uint8_t *orig_p = p; | 27 | 15.8M | uint64_t Value = 0; | 28 | 15.8M | unsigned Shift = 0; | 29 | 17.4M | do { | 30 | 17.4M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 17.4M | Shift += 7; | 32 | 17.4M | } while (*p++ >= 128); | 33 | 15.8M | if (n) | 34 | 15.8M | *n = (unsigned)(p - orig_p); | 35 | 15.8M | return Value; | 36 | 15.8M | } |
MipsDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 7.60M | { | 26 | 7.60M | const uint8_t *orig_p = p; | 27 | 7.60M | uint64_t Value = 0; | 28 | 7.60M | unsigned Shift = 0; | 29 | 7.92M | do { | 30 | 7.92M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 7.92M | Shift += 7; | 32 | 7.92M | } while (*p++ >= 128); | 33 | 7.60M | if (n) | 34 | 7.60M | *n = (unsigned)(p - orig_p); | 35 | 7.60M | return Value; | 36 | 7.60M | } |
PPCDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 9.80M | { | 26 | 9.80M | const uint8_t *orig_p = p; | 27 | 9.80M | uint64_t Value = 0; | 28 | 9.80M | unsigned Shift = 0; | 29 | 10.1M | do { | 30 | 10.1M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 10.1M | Shift += 7; | 32 | 10.1M | } while (*p++ >= 128); | 33 | 9.80M | if (n) | 34 | 9.80M | *n = (unsigned)(p - orig_p); | 35 | 9.80M | return Value; | 36 | 9.80M | } |
SparcDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 3.43M | { | 26 | 3.43M | const uint8_t *orig_p = p; | 27 | 3.43M | uint64_t Value = 0; | 28 | 3.43M | unsigned Shift = 0; | 29 | 3.52M | do { | 30 | 3.52M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 3.52M | Shift += 7; | 32 | 3.52M | } while (*p++ >= 128); | 33 | 3.43M | if (n) | 34 | 3.43M | *n = (unsigned)(p - orig_p); | 35 | 3.43M | return Value; | 36 | 3.43M | } |
SystemZDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 14.6M | { | 26 | 14.6M | const uint8_t *orig_p = p; | 27 | 14.6M | uint64_t Value = 0; | 28 | 14.6M | unsigned Shift = 0; | 29 | 20.4M | do { | 30 | 20.4M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 20.4M | Shift += 7; | 32 | 20.4M | } while (*p++ >= 128); | 33 | 14.6M | if (n) | 34 | 14.6M | *n = (unsigned)(p - orig_p); | 35 | 14.6M | return Value; | 36 | 14.6M | } |
XCoreDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.65M | { | 26 | 1.65M | const uint8_t *orig_p = p; | 27 | 1.65M | uint64_t Value = 0; | 28 | 1.65M | unsigned Shift = 0; | 29 | 1.82M | do { | 30 | 1.82M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 1.82M | Shift += 7; | 32 | 1.82M | } while (*p++ >= 128); | 33 | 1.65M | if (n) | 34 | 1.65M | *n = (unsigned)(p - orig_p); | 35 | 1.65M | return Value; | 36 | 1.65M | } |
TMS320C64xDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.96M | { | 26 | 1.96M | const uint8_t *orig_p = p; | 27 | 1.96M | uint64_t Value = 0; | 28 | 1.96M | unsigned Shift = 0; | 29 | 2.01M | do { | 30 | 2.01M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 2.01M | Shift += 7; | 32 | 2.01M | } while (*p++ >= 128); | 33 | 1.96M | if (n) | 34 | 1.96M | *n = (unsigned)(p - orig_p); | 35 | 1.96M | return Value; | 36 | 1.96M | } |
RISCVDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 5.98M | { | 26 | 5.98M | const uint8_t *orig_p = p; | 27 | 5.98M | uint64_t Value = 0; | 28 | 5.98M | unsigned Shift = 0; | 29 | 6.24M | do { | 30 | 6.24M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 6.24M | Shift += 7; | 32 | 6.24M | } while (*p++ >= 128); | 33 | 5.98M | if (n) | 34 | 5.98M | *n = (unsigned)(p - orig_p); | 35 | 5.98M | return Value; | 36 | 5.98M | } |
Unexecuted instantiation: TriCoreDisassembler.c:decodeULEB128 |
37 | | |
38 | | #endif // LLVM_SYSTEM_LEB128_H |