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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 | 93.7M | { |
26 | 93.7M | const uint8_t *orig_p = p; |
27 | 93.7M | uint64_t Value = 0; |
28 | 93.7M | unsigned Shift = 0; |
29 | 105M | do { |
30 | 105M | Value += (uint64_t)(*p & 0x7f) << Shift; |
31 | 105M | Shift += 7; |
32 | 105M | } while (*p++ >= 128); |
33 | 93.7M | if (n) |
34 | 93.7M | *n = (unsigned)(p - orig_p); |
35 | 93.7M | return Value; |
36 | 93.7M | } ARMDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 42.6M | { | 26 | 42.6M | const uint8_t *orig_p = p; | 27 | 42.6M | uint64_t Value = 0; | 28 | 42.6M | unsigned Shift = 0; | 29 | 47.2M | do { | 30 | 47.2M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 47.2M | Shift += 7; | 32 | 47.2M | } while (*p++ >= 128); | 33 | 42.6M | if (n) | 34 | 42.6M | *n = (unsigned)(p - orig_p); | 35 | 42.6M | return Value; | 36 | 42.6M | } |
AArch64Disassembler.c:decodeULEB128 Line | Count | Source | 25 | 10.7M | { | 26 | 10.7M | const uint8_t *orig_p = p; | 27 | 10.7M | uint64_t Value = 0; | 28 | 10.7M | unsigned Shift = 0; | 29 | 11.8M | do { | 30 | 11.8M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 11.8M | Shift += 7; | 32 | 11.8M | } while (*p++ >= 128); | 33 | 10.7M | if (n) | 34 | 10.7M | *n = (unsigned)(p - orig_p); | 35 | 10.7M | return Value; | 36 | 10.7M | } |
MipsDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 8.89M | { | 26 | 8.89M | const uint8_t *orig_p = p; | 27 | 8.89M | uint64_t Value = 0; | 28 | 8.89M | unsigned Shift = 0; | 29 | 9.26M | do { | 30 | 9.26M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 9.26M | Shift += 7; | 32 | 9.26M | } while (*p++ >= 128); | 33 | 8.89M | if (n) | 34 | 8.89M | *n = (unsigned)(p - orig_p); | 35 | 8.89M | return Value; | 36 | 8.89M | } |
PPCDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 8.97M | { | 26 | 8.97M | const uint8_t *orig_p = p; | 27 | 8.97M | uint64_t Value = 0; | 28 | 8.97M | unsigned Shift = 0; | 29 | 9.32M | do { | 30 | 9.32M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 9.32M | Shift += 7; | 32 | 9.32M | } while (*p++ >= 128); | 33 | 8.97M | if (n) | 34 | 8.97M | *n = (unsigned)(p - orig_p); | 35 | 8.97M | return Value; | 36 | 8.97M | } |
SparcDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 3.05M | { | 26 | 3.05M | const uint8_t *orig_p = p; | 27 | 3.05M | uint64_t Value = 0; | 28 | 3.05M | unsigned Shift = 0; | 29 | 3.14M | do { | 30 | 3.14M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 3.14M | Shift += 7; | 32 | 3.14M | } while (*p++ >= 128); | 33 | 3.05M | if (n) | 34 | 3.05M | *n = (unsigned)(p - orig_p); | 35 | 3.05M | return Value; | 36 | 3.05M | } |
SystemZDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 12.1M | { | 26 | 12.1M | const uint8_t *orig_p = p; | 27 | 12.1M | uint64_t Value = 0; | 28 | 12.1M | unsigned Shift = 0; | 29 | 16.9M | do { | 30 | 16.9M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 16.9M | Shift += 7; | 32 | 16.9M | } while (*p++ >= 128); | 33 | 12.1M | if (n) | 34 | 12.1M | *n = (unsigned)(p - orig_p); | 35 | 12.1M | return Value; | 36 | 12.1M | } |
XCoreDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.42M | { | 26 | 1.42M | const uint8_t *orig_p = p; | 27 | 1.42M | uint64_t Value = 0; | 28 | 1.42M | unsigned Shift = 0; | 29 | 1.57M | do { | 30 | 1.57M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 1.57M | Shift += 7; | 32 | 1.57M | } while (*p++ >= 128); | 33 | 1.42M | if (n) | 34 | 1.42M | *n = (unsigned)(p - orig_p); | 35 | 1.42M | return Value; | 36 | 1.42M | } |
TMS320C64xDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.51M | { | 26 | 1.51M | const uint8_t *orig_p = p; | 27 | 1.51M | uint64_t Value = 0; | 28 | 1.51M | unsigned Shift = 0; | 29 | 1.54M | do { | 30 | 1.54M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 1.54M | Shift += 7; | 32 | 1.54M | } while (*p++ >= 128); | 33 | 1.51M | if (n) | 34 | 1.51M | *n = (unsigned)(p - orig_p); | 35 | 1.51M | return Value; | 36 | 1.51M | } |
RISCVDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 4.25M | { | 26 | 4.25M | const uint8_t *orig_p = p; | 27 | 4.25M | uint64_t Value = 0; | 28 | 4.25M | unsigned Shift = 0; | 29 | 4.41M | do { | 30 | 4.41M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 4.41M | Shift += 7; | 32 | 4.41M | } while (*p++ >= 128); | 33 | 4.25M | if (n) | 34 | 4.25M | *n = (unsigned)(p - orig_p); | 35 | 4.25M | return Value; | 36 | 4.25M | } |
Unexecuted instantiation: TriCoreDisassembler.c:decodeULEB128 |
37 | | |
38 | | #endif // LLVM_SYSTEM_LEB128_H |