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 | 52.5M | { |
26 | 52.5M | const uint8_t *orig_p = p; |
27 | 52.5M | uint64_t Value = 0; |
28 | 52.5M | unsigned Shift = 0; |
29 | 58.9M | do { |
30 | 58.9M | Value += (uint64_t)(*p & 0x7f) << Shift; |
31 | 58.9M | Shift += 7; |
32 | 58.9M | } while (*p++ >= 128); |
33 | 52.5M | if (n) |
34 | 52.5M | *n = (unsigned)(p - orig_p); |
35 | 52.5M | return Value; |
36 | 52.5M | } ARMDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 19.4M | { | 26 | 19.4M | const uint8_t *orig_p = p; | 27 | 19.4M | uint64_t Value = 0; | 28 | 19.4M | unsigned Shift = 0; | 29 | 21.5M | do { | 30 | 21.5M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 21.5M | Shift += 7; | 32 | 21.5M | } while (*p++ >= 128); | 33 | 19.4M | if (n) | 34 | 19.4M | *n = (unsigned)(p - orig_p); | 35 | 19.4M | return Value; | 36 | 19.4M | } |
AArch64Disassembler.c:decodeULEB128 Line | Count | Source | 25 | 9.17M | { | 26 | 9.17M | const uint8_t *orig_p = p; | 27 | 9.17M | uint64_t Value = 0; | 28 | 9.17M | unsigned Shift = 0; | 29 | 10.0M | do { | 30 | 10.0M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 10.0M | Shift += 7; | 32 | 10.0M | } while (*p++ >= 128); | 33 | 9.17M | if (n) | 34 | 9.17M | *n = (unsigned)(p - orig_p); | 35 | 9.17M | return Value; | 36 | 9.17M | } |
MipsDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 3.55M | { | 26 | 3.55M | const uint8_t *orig_p = p; | 27 | 3.55M | uint64_t Value = 0; | 28 | 3.55M | unsigned Shift = 0; | 29 | 3.68M | do { | 30 | 3.68M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 3.68M | Shift += 7; | 32 | 3.68M | } while (*p++ >= 128); | 33 | 3.55M | if (n) | 34 | 3.55M | *n = (unsigned)(p - orig_p); | 35 | 3.55M | return Value; | 36 | 3.55M | } |
PPCDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 6.12M | { | 26 | 6.12M | const uint8_t *orig_p = p; | 27 | 6.12M | uint64_t Value = 0; | 28 | 6.12M | unsigned Shift = 0; | 29 | 6.36M | do { | 30 | 6.36M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 6.36M | Shift += 7; | 32 | 6.36M | } while (*p++ >= 128); | 33 | 6.12M | if (n) | 34 | 6.12M | *n = (unsigned)(p - orig_p); | 35 | 6.12M | return Value; | 36 | 6.12M | } |
SparcDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 2.00M | { | 26 | 2.00M | const uint8_t *orig_p = p; | 27 | 2.00M | uint64_t Value = 0; | 28 | 2.00M | unsigned Shift = 0; | 29 | 2.05M | do { | 30 | 2.05M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 2.05M | Shift += 7; | 32 | 2.05M | } while (*p++ >= 128); | 33 | 2.00M | if (n) | 34 | 2.00M | *n = (unsigned)(p - orig_p); | 35 | 2.00M | return Value; | 36 | 2.00M | } |
SystemZDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 7.09M | { | 26 | 7.09M | const uint8_t *orig_p = p; | 27 | 7.09M | uint64_t Value = 0; | 28 | 7.09M | unsigned Shift = 0; | 29 | 9.84M | do { | 30 | 9.84M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 9.84M | Shift += 7; | 32 | 9.84M | } while (*p++ >= 128); | 33 | 7.09M | if (n) | 34 | 7.09M | *n = (unsigned)(p - orig_p); | 35 | 7.09M | return Value; | 36 | 7.09M | } |
XCoreDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 842k | { | 26 | 842k | const uint8_t *orig_p = p; | 27 | 842k | uint64_t Value = 0; | 28 | 842k | unsigned Shift = 0; | 29 | 929k | do { | 30 | 929k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 929k | Shift += 7; | 32 | 929k | } while (*p++ >= 128); | 33 | 842k | if (n) | 34 | 842k | *n = (unsigned)(p - orig_p); | 35 | 842k | return Value; | 36 | 842k | } |
TMS320C64xDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.06M | { | 26 | 1.06M | const uint8_t *orig_p = p; | 27 | 1.06M | uint64_t Value = 0; | 28 | 1.06M | unsigned Shift = 0; | 29 | 1.08M | do { | 30 | 1.08M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 1.08M | Shift += 7; | 32 | 1.08M | } while (*p++ >= 128); | 33 | 1.06M | if (n) | 34 | 1.06M | *n = (unsigned)(p - orig_p); | 35 | 1.06M | return Value; | 36 | 1.06M | } |
RISCVDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 3.27M | { | 26 | 3.27M | const uint8_t *orig_p = p; | 27 | 3.27M | uint64_t Value = 0; | 28 | 3.27M | unsigned Shift = 0; | 29 | 3.41M | do { | 30 | 3.41M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 3.41M | Shift += 7; | 32 | 3.41M | } while (*p++ >= 128); | 33 | 3.27M | if (n) | 34 | 3.27M | *n = (unsigned)(p - orig_p); | 35 | 3.27M | return Value; | 36 | 3.27M | } |
Unexecuted instantiation: TriCoreDisassembler.c:decodeULEB128 |
37 | | |
38 | | #endif // LLVM_SYSTEM_LEB128_H |