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 | 36.4M | { |
26 | 36.4M | const uint8_t *orig_p = p; |
27 | 36.4M | uint64_t Value = 0; |
28 | 36.4M | unsigned Shift = 0; |
29 | 41.0M | do { |
30 | 41.0M | Value += (uint64_t)(*p & 0x7f) << Shift; |
31 | 41.0M | Shift += 7; |
32 | 41.0M | } while (*p++ >= 128); |
33 | 36.4M | if (n) |
34 | 36.4M | *n = (unsigned)(p - orig_p); |
35 | 36.4M | return Value; |
36 | 36.4M | } ARMDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 14.3M | { | 26 | 14.3M | const uint8_t *orig_p = p; | 27 | 14.3M | uint64_t Value = 0; | 28 | 14.3M | unsigned Shift = 0; | 29 | 15.8M | do { | 30 | 15.8M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 15.8M | Shift += 7; | 32 | 15.8M | } while (*p++ >= 128); | 33 | 14.3M | if (n) | 34 | 14.3M | *n = (unsigned)(p - orig_p); | 35 | 14.3M | return Value; | 36 | 14.3M | } |
AArch64Disassembler.c:decodeULEB128 Line | Count | Source | 25 | 5.12M | { | 26 | 5.12M | const uint8_t *orig_p = p; | 27 | 5.12M | uint64_t Value = 0; | 28 | 5.12M | unsigned Shift = 0; | 29 | 5.60M | do { | 30 | 5.60M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 5.60M | Shift += 7; | 32 | 5.60M | } while (*p++ >= 128); | 33 | 5.12M | if (n) | 34 | 5.12M | *n = (unsigned)(p - orig_p); | 35 | 5.12M | return Value; | 36 | 5.12M | } |
MipsDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 2.86M | { | 26 | 2.86M | const uint8_t *orig_p = p; | 27 | 2.86M | uint64_t Value = 0; | 28 | 2.86M | unsigned Shift = 0; | 29 | 2.96M | do { | 30 | 2.96M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 2.96M | Shift += 7; | 32 | 2.96M | } while (*p++ >= 128); | 33 | 2.86M | if (n) | 34 | 2.86M | *n = (unsigned)(p - orig_p); | 35 | 2.86M | return Value; | 36 | 2.86M | } |
PPCDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 3.99M | { | 26 | 3.99M | const uint8_t *orig_p = p; | 27 | 3.99M | uint64_t Value = 0; | 28 | 3.99M | unsigned Shift = 0; | 29 | 4.14M | do { | 30 | 4.14M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 4.14M | Shift += 7; | 32 | 4.14M | } while (*p++ >= 128); | 33 | 3.99M | if (n) | 34 | 3.99M | *n = (unsigned)(p - orig_p); | 35 | 3.99M | return Value; | 36 | 3.99M | } |
SparcDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.38M | { | 26 | 1.38M | const uint8_t *orig_p = p; | 27 | 1.38M | uint64_t Value = 0; | 28 | 1.38M | unsigned Shift = 0; | 29 | 1.42M | do { | 30 | 1.42M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 1.42M | Shift += 7; | 32 | 1.42M | } while (*p++ >= 128); | 33 | 1.38M | if (n) | 34 | 1.38M | *n = (unsigned)(p - orig_p); | 35 | 1.38M | return Value; | 36 | 1.38M | } |
SystemZDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 5.35M | { | 26 | 5.35M | const uint8_t *orig_p = p; | 27 | 5.35M | uint64_t Value = 0; | 28 | 5.35M | unsigned Shift = 0; | 29 | 7.41M | do { | 30 | 7.41M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 7.41M | Shift += 7; | 32 | 7.41M | } while (*p++ >= 128); | 33 | 5.35M | if (n) | 34 | 5.35M | *n = (unsigned)(p - orig_p); | 35 | 5.35M | return Value; | 36 | 5.35M | } |
XCoreDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 575k | { | 26 | 575k | const uint8_t *orig_p = p; | 27 | 575k | uint64_t Value = 0; | 28 | 575k | unsigned Shift = 0; | 29 | 630k | do { | 30 | 630k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 630k | Shift += 7; | 32 | 630k | } while (*p++ >= 128); | 33 | 575k | if (n) | 34 | 575k | *n = (unsigned)(p - orig_p); | 35 | 575k | return Value; | 36 | 575k | } |
TMS320C64xDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 788k | { | 26 | 788k | const uint8_t *orig_p = p; | 27 | 788k | uint64_t Value = 0; | 28 | 788k | unsigned Shift = 0; | 29 | 805k | do { | 30 | 805k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 805k | Shift += 7; | 32 | 805k | } while (*p++ >= 128); | 33 | 788k | if (n) | 34 | 788k | *n = (unsigned)(p - orig_p); | 35 | 788k | return Value; | 36 | 788k | } |
RISCVDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 2.08M | { | 26 | 2.08M | const uint8_t *orig_p = p; | 27 | 2.08M | uint64_t Value = 0; | 28 | 2.08M | 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 | 2.08M | if (n) | 34 | 2.08M | *n = (unsigned)(p - orig_p); | 35 | 2.08M | return Value; | 36 | 2.08M | } |
Unexecuted instantiation: TriCoreDisassembler.c:decodeULEB128 |
37 | | |
38 | | #endif // LLVM_SYSTEM_LEB128_H |