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 | 53.0M | { |
26 | 53.0M | const uint8_t *orig_p = p; |
27 | 53.0M | uint64_t Value = 0; |
28 | 53.0M | unsigned Shift = 0; |
29 | 59.3M | do { |
30 | 59.3M | Value += (uint64_t)(*p & 0x7f) << Shift; |
31 | 59.3M | Shift += 7; |
32 | 59.3M | } while (*p++ >= 128); |
33 | 53.0M | if (n) |
34 | 53.0M | *n = (unsigned)(p - orig_p); |
35 | 53.0M | return Value; |
36 | 53.0M | } ARMDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 18.8M | { | 26 | 18.8M | const uint8_t *orig_p = p; | 27 | 18.8M | uint64_t Value = 0; | 28 | 18.8M | unsigned Shift = 0; | 29 | 20.8M | do { | 30 | 20.8M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 20.8M | Shift += 7; | 32 | 20.8M | } while (*p++ >= 128); | 33 | 18.8M | if (n) | 34 | 18.8M | *n = (unsigned)(p - orig_p); | 35 | 18.8M | return Value; | 36 | 18.8M | } |
AArch64Disassembler.c:decodeULEB128 Line | Count | Source | 25 | 9.78M | { | 26 | 9.78M | const uint8_t *orig_p = p; | 27 | 9.78M | uint64_t Value = 0; | 28 | 9.78M | unsigned Shift = 0; | 29 | 10.7M | do { | 30 | 10.7M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 10.7M | Shift += 7; | 32 | 10.7M | } while (*p++ >= 128); | 33 | 9.78M | if (n) | 34 | 9.78M | *n = (unsigned)(p - orig_p); | 35 | 9.78M | return Value; | 36 | 9.78M | } |
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 | 3.67M | do { | 30 | 3.67M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 3.67M | Shift += 7; | 32 | 3.67M | } 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 | 6.11M | { | 26 | 6.11M | const uint8_t *orig_p = p; | 27 | 6.11M | uint64_t Value = 0; | 28 | 6.11M | 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 | 6.11M | if (n) | 34 | 6.11M | *n = (unsigned)(p - orig_p); | 35 | 6.11M | return Value; | 36 | 6.11M | } |
SparcDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 2.03M | { | 26 | 2.03M | const uint8_t *orig_p = p; | 27 | 2.03M | uint64_t Value = 0; | 28 | 2.03M | unsigned Shift = 0; | 29 | 2.07M | do { | 30 | 2.07M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 2.07M | Shift += 7; | 32 | 2.07M | } while (*p++ >= 128); | 33 | 2.03M | if (n) | 34 | 2.03M | *n = (unsigned)(p - orig_p); | 35 | 2.03M | return Value; | 36 | 2.03M | } |
SystemZDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 6.99M | { | 26 | 6.99M | const uint8_t *orig_p = p; | 27 | 6.99M | uint64_t Value = 0; | 28 | 6.99M | unsigned Shift = 0; | 29 | 9.72M | do { | 30 | 9.72M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 9.72M | Shift += 7; | 32 | 9.72M | } while (*p++ >= 128); | 33 | 6.99M | if (n) | 34 | 6.99M | *n = (unsigned)(p - orig_p); | 35 | 6.99M | return Value; | 36 | 6.99M | } |
XCoreDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 852k | { | 26 | 852k | const uint8_t *orig_p = p; | 27 | 852k | uint64_t Value = 0; | 28 | 852k | unsigned Shift = 0; | 29 | 949k | do { | 30 | 949k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 949k | Shift += 7; | 32 | 949k | } while (*p++ >= 128); | 33 | 852k | if (n) | 34 | 852k | *n = (unsigned)(p - orig_p); | 35 | 852k | return Value; | 36 | 852k | } |
TMS320C64xDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 978k | { | 26 | 978k | const uint8_t *orig_p = p; | 27 | 978k | uint64_t Value = 0; | 28 | 978k | unsigned Shift = 0; | 29 | 1.00M | do { | 30 | 1.00M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 1.00M | Shift += 7; | 32 | 1.00M | } while (*p++ >= 128); | 33 | 978k | if (n) | 34 | 978k | *n = (unsigned)(p - orig_p); | 35 | 978k | return Value; | 36 | 978k | } |
RISCVDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 3.89M | { | 26 | 3.89M | const uint8_t *orig_p = p; | 27 | 3.89M | uint64_t Value = 0; | 28 | 3.89M | unsigned Shift = 0; | 29 | 4.07M | do { | 30 | 4.07M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 4.07M | Shift += 7; | 32 | 4.07M | } while (*p++ >= 128); | 33 | 3.89M | if (n) | 34 | 3.89M | *n = (unsigned)(p - orig_p); | 35 | 3.89M | return Value; | 36 | 3.89M | } |
Unexecuted instantiation: TriCoreDisassembler.c:decodeULEB128 |
37 | | |
38 | | #endif // LLVM_SYSTEM_LEB128_H |