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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 | 48.7M | { |
26 | 48.7M | const uint8_t *orig_p = p; |
27 | 48.7M | uint64_t Value = 0; |
28 | 48.7M | unsigned Shift = 0; |
29 | 54.8M | do { |
30 | 54.8M | Value += (uint64_t)(*p & 0x7f) << Shift; |
31 | 54.8M | Shift += 7; |
32 | 54.8M | } while (*p++ >= 128); |
33 | 48.7M | if (n) |
34 | 48.7M | *n = (unsigned)(p - orig_p); |
35 | 48.7M | return Value; |
36 | 48.7M | } ARMDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 19.7M | { | 26 | 19.7M | const uint8_t *orig_p = p; | 27 | 19.7M | uint64_t Value = 0; | 28 | 19.7M | unsigned Shift = 0; | 29 | 21.7M | do { | 30 | 21.7M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 21.7M | Shift += 7; | 32 | 21.7M | } while (*p++ >= 128); | 33 | 19.7M | if (n) | 34 | 19.7M | *n = (unsigned)(p - orig_p); | 35 | 19.7M | return Value; | 36 | 19.7M | } |
AArch64Disassembler.c:decodeULEB128 Line | Count | Source | 25 | 7.26M | { | 26 | 7.26M | const uint8_t *orig_p = p; | 27 | 7.26M | uint64_t Value = 0; | 28 | 7.26M | unsigned Shift = 0; | 29 | 7.96M | do { | 30 | 7.96M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 7.96M | Shift += 7; | 32 | 7.96M | } while (*p++ >= 128); | 33 | 7.26M | if (n) | 34 | 7.26M | *n = (unsigned)(p - orig_p); | 35 | 7.26M | return Value; | 36 | 7.26M | } |
MipsDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 3.54M | { | 26 | 3.54M | const uint8_t *orig_p = p; | 27 | 3.54M | uint64_t Value = 0; | 28 | 3.54M | unsigned Shift = 0; | 29 | 3.66M | do { | 30 | 3.66M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 3.66M | Shift += 7; | 32 | 3.66M | } while (*p++ >= 128); | 33 | 3.54M | if (n) | 34 | 3.54M | *n = (unsigned)(p - orig_p); | 35 | 3.54M | return Value; | 36 | 3.54M | } |
PPCDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 5.23M | { | 26 | 5.23M | const uint8_t *orig_p = p; | 27 | 5.23M | uint64_t Value = 0; | 28 | 5.23M | unsigned Shift = 0; | 29 | 5.45M | do { | 30 | 5.45M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 5.45M | Shift += 7; | 32 | 5.45M | } while (*p++ >= 128); | 33 | 5.23M | if (n) | 34 | 5.23M | *n = (unsigned)(p - orig_p); | 35 | 5.23M | return Value; | 36 | 5.23M | } |
SparcDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 2.09M | { | 26 | 2.09M | const uint8_t *orig_p = p; | 27 | 2.09M | uint64_t Value = 0; | 28 | 2.09M | unsigned Shift = 0; | 29 | 2.14M | do { | 30 | 2.14M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 2.14M | Shift += 7; | 32 | 2.14M | } while (*p++ >= 128); | 33 | 2.09M | if (n) | 34 | 2.09M | *n = (unsigned)(p - orig_p); | 35 | 2.09M | return Value; | 36 | 2.09M | } |
SystemZDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 6.72M | { | 26 | 6.72M | const uint8_t *orig_p = p; | 27 | 6.72M | uint64_t Value = 0; | 28 | 6.72M | unsigned Shift = 0; | 29 | 9.43M | do { | 30 | 9.43M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 9.43M | Shift += 7; | 32 | 9.43M | } while (*p++ >= 128); | 33 | 6.72M | if (n) | 34 | 6.72M | *n = (unsigned)(p - orig_p); | 35 | 6.72M | return Value; | 36 | 6.72M | } |
XCoreDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 830k | { | 26 | 830k | const uint8_t *orig_p = p; | 27 | 830k | uint64_t Value = 0; | 28 | 830k | unsigned Shift = 0; | 29 | 918k | do { | 30 | 918k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 918k | Shift += 7; | 32 | 918k | } while (*p++ >= 128); | 33 | 830k | if (n) | 34 | 830k | *n = (unsigned)(p - orig_p); | 35 | 830k | return Value; | 36 | 830k | } |
TMS320C64xDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 812k | { | 26 | 812k | const uint8_t *orig_p = p; | 27 | 812k | uint64_t Value = 0; | 28 | 812k | unsigned Shift = 0; | 29 | 829k | do { | 30 | 829k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 829k | Shift += 7; | 32 | 829k | } while (*p++ >= 128); | 33 | 812k | if (n) | 34 | 812k | *n = (unsigned)(p - orig_p); | 35 | 812k | return Value; | 36 | 812k | } |
RISCVDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 2.53M | { | 26 | 2.53M | const uint8_t *orig_p = p; | 27 | 2.53M | uint64_t Value = 0; | 28 | 2.53M | unsigned Shift = 0; | 29 | 2.64M | do { | 30 | 2.64M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 2.64M | Shift += 7; | 32 | 2.64M | } while (*p++ >= 128); | 33 | 2.53M | if (n) | 34 | 2.53M | *n = (unsigned)(p - orig_p); | 35 | 2.53M | return Value; | 36 | 2.53M | } |
Unexecuted instantiation: TriCoreDisassembler.c:decodeULEB128 |
37 | | |
38 | | #endif // LLVM_SYSTEM_LEB128_H |