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 | 48.9M | { |
26 | 48.9M | const uint8_t *orig_p = p; |
27 | 48.9M | uint64_t Value = 0; |
28 | 48.9M | unsigned Shift = 0; |
29 | 54.7M | do { |
30 | 54.7M | Value += (uint64_t)(*p & 0x7f) << Shift; |
31 | 54.7M | Shift += 7; |
32 | 54.7M | } while (*p++ >= 128); |
33 | 48.9M | if (n) |
34 | 48.9M | *n = (unsigned)(p - orig_p); |
35 | 48.9M | return Value; |
36 | 48.9M | } ARMDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 19.1M | { | 26 | 19.1M | const uint8_t *orig_p = p; | 27 | 19.1M | uint64_t Value = 0; | 28 | 19.1M | unsigned Shift = 0; | 29 | 21.1M | do { | 30 | 21.1M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 21.1M | Shift += 7; | 32 | 21.1M | } while (*p++ >= 128); | 33 | 19.1M | if (n) | 34 | 19.1M | *n = (unsigned)(p - orig_p); | 35 | 19.1M | return Value; | 36 | 19.1M | } |
AArch64Disassembler.c:decodeULEB128 Line | Count | Source | 25 | 8.23M | { | 26 | 8.23M | const uint8_t *orig_p = p; | 27 | 8.23M | uint64_t Value = 0; | 28 | 8.23M | unsigned Shift = 0; | 29 | 9.02M | do { | 30 | 9.02M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 9.02M | Shift += 7; | 32 | 9.02M | } while (*p++ >= 128); | 33 | 8.23M | if (n) | 34 | 8.23M | *n = (unsigned)(p - orig_p); | 35 | 8.23M | return Value; | 36 | 8.23M | } |
MipsDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 3.24M | { | 26 | 3.24M | const uint8_t *orig_p = p; | 27 | 3.24M | uint64_t Value = 0; | 28 | 3.24M | unsigned Shift = 0; | 29 | 3.36M | do { | 30 | 3.36M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 3.36M | Shift += 7; | 32 | 3.36M | } while (*p++ >= 128); | 33 | 3.24M | if (n) | 34 | 3.24M | *n = (unsigned)(p - orig_p); | 35 | 3.24M | return Value; | 36 | 3.24M | } |
PPCDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 5.66M | { | 26 | 5.66M | const uint8_t *orig_p = p; | 27 | 5.66M | uint64_t Value = 0; | 28 | 5.66M | unsigned Shift = 0; | 29 | 5.88M | do { | 30 | 5.88M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 5.88M | Shift += 7; | 32 | 5.88M | } while (*p++ >= 128); | 33 | 5.66M | if (n) | 34 | 5.66M | *n = (unsigned)(p - orig_p); | 35 | 5.66M | return Value; | 36 | 5.66M | } |
SparcDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.85M | { | 26 | 1.85M | const uint8_t *orig_p = p; | 27 | 1.85M | uint64_t Value = 0; | 28 | 1.85M | unsigned Shift = 0; | 29 | 1.89M | do { | 30 | 1.89M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 1.89M | Shift += 7; | 32 | 1.89M | } while (*p++ >= 128); | 33 | 1.85M | if (n) | 34 | 1.85M | *n = (unsigned)(p - orig_p); | 35 | 1.85M | return Value; | 36 | 1.85M | } |
SystemZDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 6.18M | { | 26 | 6.18M | const uint8_t *orig_p = p; | 27 | 6.18M | uint64_t Value = 0; | 28 | 6.18M | unsigned Shift = 0; | 29 | 8.49M | do { | 30 | 8.49M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 8.49M | Shift += 7; | 32 | 8.49M | } while (*p++ >= 128); | 33 | 6.18M | if (n) | 34 | 6.18M | *n = (unsigned)(p - orig_p); | 35 | 6.18M | return Value; | 36 | 6.18M | } |
XCoreDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 736k | { | 26 | 736k | const uint8_t *orig_p = p; | 27 | 736k | uint64_t Value = 0; | 28 | 736k | unsigned Shift = 0; | 29 | 816k | do { | 30 | 816k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 816k | Shift += 7; | 32 | 816k | } while (*p++ >= 128); | 33 | 736k | if (n) | 34 | 736k | *n = (unsigned)(p - orig_p); | 35 | 736k | return Value; | 36 | 736k | } |
TMS320C64xDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.06M | { | 26 | 1.06M | const uint8_t *orig_p = p; | 27 | 1.06M | uint64_t Value = 0; | 28 | 1.06M | unsigned Shift = 0; | 29 | 1.08M | do { | 30 | 1.08M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 1.08M | Shift += 7; | 32 | 1.08M | } while (*p++ >= 128); | 33 | 1.06M | if (n) | 34 | 1.06M | *n = (unsigned)(p - orig_p); | 35 | 1.06M | return Value; | 36 | 1.06M | } |
RISCVDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 2.86M | { | 26 | 2.86M | const uint8_t *orig_p = p; | 27 | 2.86M | uint64_t Value = 0; | 28 | 2.86M | unsigned Shift = 0; | 29 | 2.99M | do { | 30 | 2.99M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 2.99M | Shift += 7; | 32 | 2.99M | } while (*p++ >= 128); | 33 | 2.86M | if (n) | 34 | 2.86M | *n = (unsigned)(p - orig_p); | 35 | 2.86M | return Value; | 36 | 2.86M | } |
Unexecuted instantiation: TriCoreDisassembler.c:decodeULEB128 |
37 | | |
38 | | #endif // LLVM_SYSTEM_LEB128_H |