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 | 42.4M | { |
26 | 42.4M | const uint8_t *orig_p = p; |
27 | 42.4M | uint64_t Value = 0; |
28 | 42.4M | unsigned Shift = 0; |
29 | 47.5M | do { |
30 | 47.5M | Value += (uint64_t)(*p & 0x7f) << Shift; |
31 | 47.5M | Shift += 7; |
32 | 47.5M | } while (*p++ >= 128); |
33 | 42.4M | if (n) |
34 | 42.4M | *n = (unsigned)(p - orig_p); |
35 | 42.4M | return Value; |
36 | 42.4M | } ARMDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 17.3M | { | 26 | 17.3M | const uint8_t *orig_p = p; | 27 | 17.3M | uint64_t Value = 0; | 28 | 17.3M | unsigned Shift = 0; | 29 | 19.1M | do { | 30 | 19.1M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 19.1M | Shift += 7; | 32 | 19.1M | } while (*p++ >= 128); | 33 | 17.3M | if (n) | 34 | 17.3M | *n = (unsigned)(p - orig_p); | 35 | 17.3M | return Value; | 36 | 17.3M | } |
AArch64Disassembler.c:decodeULEB128 Line | Count | Source | 25 | 6.25M | { | 26 | 6.25M | const uint8_t *orig_p = p; | 27 | 6.25M | uint64_t Value = 0; | 28 | 6.25M | unsigned Shift = 0; | 29 | 6.85M | do { | 30 | 6.85M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 6.85M | Shift += 7; | 32 | 6.85M | } while (*p++ >= 128); | 33 | 6.25M | if (n) | 34 | 6.25M | *n = (unsigned)(p - orig_p); | 35 | 6.25M | return Value; | 36 | 6.25M | } |
MipsDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 3.45M | { | 26 | 3.45M | const uint8_t *orig_p = p; | 27 | 3.45M | uint64_t Value = 0; | 28 | 3.45M | unsigned Shift = 0; | 29 | 3.58M | do { | 30 | 3.58M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 3.58M | Shift += 7; | 32 | 3.58M | } while (*p++ >= 128); | 33 | 3.45M | if (n) | 34 | 3.45M | *n = (unsigned)(p - orig_p); | 35 | 3.45M | return Value; | 36 | 3.45M | } |
PPCDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 4.64M | { | 26 | 4.64M | const uint8_t *orig_p = p; | 27 | 4.64M | uint64_t Value = 0; | 28 | 4.64M | unsigned Shift = 0; | 29 | 4.83M | do { | 30 | 4.83M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 4.83M | Shift += 7; | 32 | 4.83M | } while (*p++ >= 128); | 33 | 4.64M | if (n) | 34 | 4.64M | *n = (unsigned)(p - orig_p); | 35 | 4.64M | return Value; | 36 | 4.64M | } |
SparcDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.68M | { | 26 | 1.68M | const uint8_t *orig_p = p; | 27 | 1.68M | uint64_t Value = 0; | 28 | 1.68M | unsigned Shift = 0; | 29 | 1.72M | do { | 30 | 1.72M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 1.72M | Shift += 7; | 32 | 1.72M | } while (*p++ >= 128); | 33 | 1.68M | if (n) | 34 | 1.68M | *n = (unsigned)(p - orig_p); | 35 | 1.68M | return Value; | 36 | 1.68M | } |
SystemZDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 5.32M | { | 26 | 5.32M | const uint8_t *orig_p = p; | 27 | 5.32M | uint64_t Value = 0; | 28 | 5.32M | unsigned Shift = 0; | 29 | 7.40M | do { | 30 | 7.40M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 7.40M | Shift += 7; | 32 | 7.40M | } while (*p++ >= 128); | 33 | 5.32M | if (n) | 34 | 5.32M | *n = (unsigned)(p - orig_p); | 35 | 5.32M | return Value; | 36 | 5.32M | } |
XCoreDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 805k | { | 26 | 805k | const uint8_t *orig_p = p; | 27 | 805k | uint64_t Value = 0; | 28 | 805k | unsigned Shift = 0; | 29 | 885k | do { | 30 | 885k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 885k | Shift += 7; | 32 | 885k | } while (*p++ >= 128); | 33 | 805k | if (n) | 34 | 805k | *n = (unsigned)(p - orig_p); | 35 | 805k | return Value; | 36 | 805k | } |
TMS320C64xDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 945k | { | 26 | 945k | const uint8_t *orig_p = p; | 27 | 945k | uint64_t Value = 0; | 28 | 945k | unsigned Shift = 0; | 29 | 964k | do { | 30 | 964k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 964k | Shift += 7; | 32 | 964k | } while (*p++ >= 128); | 33 | 945k | if (n) | 34 | 945k | *n = (unsigned)(p - orig_p); | 35 | 945k | return Value; | 36 | 945k | } |
RISCVDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 2.07M | { | 26 | 2.07M | const uint8_t *orig_p = p; | 27 | 2.07M | uint64_t Value = 0; | 28 | 2.07M | unsigned Shift = 0; | 29 | 2.16M | do { | 30 | 2.16M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 2.16M | Shift += 7; | 32 | 2.16M | } while (*p++ >= 128); | 33 | 2.07M | if (n) | 34 | 2.07M | *n = (unsigned)(p - orig_p); | 35 | 2.07M | return Value; | 36 | 2.07M | } |
Unexecuted instantiation: TriCoreDisassembler.c:decodeULEB128 |
37 | | |
38 | | #endif // LLVM_SYSTEM_LEB128_H |