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 | 7.19M | { |
26 | 7.19M | const uint8_t *orig_p = p; |
27 | 7.19M | uint64_t Value = 0; |
28 | 7.19M | unsigned Shift = 0; |
29 | 8.09M | do { |
30 | 8.09M | Value += (uint64_t)(*p & 0x7f) << Shift; |
31 | 8.09M | Shift += 7; |
32 | 8.09M | } while (*p++ >= 128); |
33 | 7.19M | if (n) |
34 | 7.19M | *n = (unsigned)(p - orig_p); |
35 | 7.19M | return Value; |
36 | 7.19M | } ARMDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 2.61M | { | 26 | 2.61M | const uint8_t *orig_p = p; | 27 | 2.61M | uint64_t Value = 0; | 28 | 2.61M | unsigned Shift = 0; | 29 | 2.89M | do { | 30 | 2.89M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 2.89M | Shift += 7; | 32 | 2.89M | } while (*p++ >= 128); | 33 | 2.61M | if (n) | 34 | 2.61M | *n = (unsigned)(p - orig_p); | 35 | 2.61M | return Value; | 36 | 2.61M | } |
AArch64Disassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.22M | { | 26 | 1.22M | const uint8_t *orig_p = p; | 27 | 1.22M | uint64_t Value = 0; | 28 | 1.22M | unsigned Shift = 0; | 29 | 1.35M | do { | 30 | 1.35M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 1.35M | Shift += 7; | 32 | 1.35M | } while (*p++ >= 128); | 33 | 1.22M | if (n) | 34 | 1.22M | *n = (unsigned)(p - orig_p); | 35 | 1.22M | return Value; | 36 | 1.22M | } |
MipsDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 410k | { | 26 | 410k | const uint8_t *orig_p = p; | 27 | 410k | uint64_t Value = 0; | 28 | 410k | unsigned Shift = 0; | 29 | 424k | do { | 30 | 424k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 424k | Shift += 7; | 32 | 424k | } while (*p++ >= 128); | 33 | 410k | if (n) | 34 | 410k | *n = (unsigned)(p - orig_p); | 35 | 410k | return Value; | 36 | 410k | } |
PPCDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.05M | { | 26 | 1.05M | const uint8_t *orig_p = p; | 27 | 1.05M | uint64_t Value = 0; | 28 | 1.05M | unsigned Shift = 0; | 29 | 1.09M | do { | 30 | 1.09M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 1.09M | Shift += 7; | 32 | 1.09M | } while (*p++ >= 128); | 33 | 1.05M | if (n) | 34 | 1.05M | *n = (unsigned)(p - orig_p); | 35 | 1.05M | return Value; | 36 | 1.05M | } |
SparcDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 316k | { | 26 | 316k | const uint8_t *orig_p = p; | 27 | 316k | uint64_t Value = 0; | 28 | 316k | unsigned Shift = 0; | 29 | 321k | do { | 30 | 321k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 321k | Shift += 7; | 32 | 321k | } while (*p++ >= 128); | 33 | 316k | if (n) | 34 | 316k | *n = (unsigned)(p - orig_p); | 35 | 316k | return Value; | 36 | 316k | } |
SystemZDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.01M | { | 26 | 1.01M | const uint8_t *orig_p = p; | 27 | 1.01M | uint64_t Value = 0; | 28 | 1.01M | unsigned Shift = 0; | 29 | 1.41M | do { | 30 | 1.41M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 1.41M | Shift += 7; | 32 | 1.41M | } while (*p++ >= 128); | 33 | 1.01M | if (n) | 34 | 1.01M | *n = (unsigned)(p - orig_p); | 35 | 1.01M | return Value; | 36 | 1.01M | } |
XCoreDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 61.0k | { | 26 | 61.0k | const uint8_t *orig_p = p; | 27 | 61.0k | uint64_t Value = 0; | 28 | 61.0k | unsigned Shift = 0; | 29 | 67.8k | do { | 30 | 67.8k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 67.8k | Shift += 7; | 32 | 67.8k | } while (*p++ >= 128); | 33 | 61.0k | if (n) | 34 | 61.0k | *n = (unsigned)(p - orig_p); | 35 | 61.0k | return Value; | 36 | 61.0k | } |
TMS320C64xDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 68.8k | { | 26 | 68.8k | const uint8_t *orig_p = p; | 27 | 68.8k | uint64_t Value = 0; | 28 | 68.8k | unsigned Shift = 0; | 29 | 70.6k | do { | 30 | 70.6k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 70.6k | Shift += 7; | 32 | 70.6k | } while (*p++ >= 128); | 33 | 68.8k | if (n) | 34 | 68.8k | *n = (unsigned)(p - orig_p); | 35 | 68.8k | return Value; | 36 | 68.8k | } |
RISCVDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 425k | { | 26 | 425k | const uint8_t *orig_p = p; | 27 | 425k | uint64_t Value = 0; | 28 | 425k | unsigned Shift = 0; | 29 | 444k | do { | 30 | 444k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 444k | Shift += 7; | 32 | 444k | } while (*p++ >= 128); | 33 | 425k | if (n) | 34 | 425k | *n = (unsigned)(p - orig_p); | 35 | 425k | return Value; | 36 | 425k | } |
Unexecuted instantiation: TriCoreDisassembler.c:decodeULEB128 |
37 | | |
38 | | #endif // LLVM_SYSTEM_LEB128_H |