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 | 115M | { |
26 | 115M | const uint8_t *orig_p = p; |
27 | 115M | uint64_t Value = 0; |
28 | 115M | unsigned Shift = 0; |
29 | 129M | do { |
30 | 129M | Value += (uint64_t)(*p & 0x7f) << Shift; |
31 | 129M | Shift += 7; |
32 | 129M | } while (*p++ >= 128); |
33 | 115M | if (n) |
34 | 115M | *n = (unsigned)(p - orig_p); |
35 | 115M | return Value; |
36 | 115M | } ARMDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 46.8M | { | 26 | 46.8M | const uint8_t *orig_p = p; | 27 | 46.8M | uint64_t Value = 0; | 28 | 46.8M | unsigned Shift = 0; | 29 | 51.7M | do { | 30 | 51.7M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 51.7M | Shift += 7; | 32 | 51.7M | } while (*p++ >= 128); | 33 | 46.8M | if (n) | 34 | 46.8M | *n = (unsigned)(p - orig_p); | 35 | 46.8M | return Value; | 36 | 46.8M | } |
AArch64Disassembler.c:decodeULEB128 Line | Count | Source | 25 | 18.2M | { | 26 | 18.2M | const uint8_t *orig_p = p; | 27 | 18.2M | uint64_t Value = 0; | 28 | 18.2M | unsigned Shift = 0; | 29 | 20.0M | do { | 30 | 20.0M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 20.0M | Shift += 7; | 32 | 20.0M | } while (*p++ >= 128); | 33 | 18.2M | if (n) | 34 | 18.2M | *n = (unsigned)(p - orig_p); | 35 | 18.2M | return Value; | 36 | 18.2M | } |
MipsDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 8.26M | { | 26 | 8.26M | const uint8_t *orig_p = p; | 27 | 8.26M | uint64_t Value = 0; | 28 | 8.26M | unsigned Shift = 0; | 29 | 8.61M | do { | 30 | 8.61M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 8.61M | Shift += 7; | 32 | 8.61M | } while (*p++ >= 128); | 33 | 8.26M | if (n) | 34 | 8.26M | *n = (unsigned)(p - orig_p); | 35 | 8.26M | return Value; | 36 | 8.26M | } |
PPCDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 10.2M | { | 26 | 10.2M | const uint8_t *orig_p = p; | 27 | 10.2M | uint64_t Value = 0; | 28 | 10.2M | unsigned Shift = 0; | 29 | 10.6M | do { | 30 | 10.6M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 10.6M | Shift += 7; | 32 | 10.6M | } while (*p++ >= 128); | 33 | 10.2M | if (n) | 34 | 10.2M | *n = (unsigned)(p - orig_p); | 35 | 10.2M | return Value; | 36 | 10.2M | } |
SparcDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 3.93M | { | 26 | 3.93M | const uint8_t *orig_p = p; | 27 | 3.93M | uint64_t Value = 0; | 28 | 3.93M | unsigned Shift = 0; | 29 | 4.03M | do { | 30 | 4.03M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 4.03M | Shift += 7; | 32 | 4.03M | } while (*p++ >= 128); | 33 | 3.93M | if (n) | 34 | 3.93M | *n = (unsigned)(p - orig_p); | 35 | 3.93M | return Value; | 36 | 3.93M | } |
SystemZDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 16.9M | { | 26 | 16.9M | const uint8_t *orig_p = p; | 27 | 16.9M | uint64_t Value = 0; | 28 | 16.9M | unsigned Shift = 0; | 29 | 23.6M | do { | 30 | 23.6M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 23.6M | Shift += 7; | 32 | 23.6M | } while (*p++ >= 128); | 33 | 16.9M | if (n) | 34 | 16.9M | *n = (unsigned)(p - orig_p); | 35 | 16.9M | return Value; | 36 | 16.9M | } |
XCoreDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.72M | { | 26 | 1.72M | const uint8_t *orig_p = p; | 27 | 1.72M | uint64_t Value = 0; | 28 | 1.72M | 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 | 1.72M | if (n) | 34 | 1.72M | *n = (unsigned)(p - orig_p); | 35 | 1.72M | return Value; | 36 | 1.72M | } |
TMS320C64xDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.97M | { | 26 | 1.97M | const uint8_t *orig_p = p; | 27 | 1.97M | uint64_t Value = 0; | 28 | 1.97M | unsigned Shift = 0; | 29 | 2.02M | do { | 30 | 2.02M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 2.02M | Shift += 7; | 32 | 2.02M | } while (*p++ >= 128); | 33 | 1.97M | if (n) | 34 | 1.97M | *n = (unsigned)(p - orig_p); | 35 | 1.97M | return Value; | 36 | 1.97M | } |
RISCVDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 6.88M | { | 26 | 6.88M | const uint8_t *orig_p = p; | 27 | 6.88M | uint64_t Value = 0; | 28 | 6.88M | unsigned Shift = 0; | 29 | 7.18M | do { | 30 | 7.18M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 7.18M | Shift += 7; | 32 | 7.18M | } while (*p++ >= 128); | 33 | 6.88M | if (n) | 34 | 6.88M | *n = (unsigned)(p - orig_p); | 35 | 6.88M | return Value; | 36 | 6.88M | } |
Unexecuted instantiation: TriCoreDisassembler.c:decodeULEB128 |
37 | | |
38 | | #endif // LLVM_SYSTEM_LEB128_H |