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 | 15.3M | { |
26 | 15.3M | const uint8_t *orig_p = p; |
27 | 15.3M | uint64_t Value = 0; |
28 | 15.3M | unsigned Shift = 0; |
29 | 17.1M | do { |
30 | 17.1M | Value += (uint64_t)(*p & 0x7f) << Shift; |
31 | 17.1M | Shift += 7; |
32 | 17.1M | } while (*p++ >= 128); |
33 | 15.3M | if (n) |
34 | 15.3M | *n = (unsigned)(p - orig_p); |
35 | 15.3M | return Value; |
36 | 15.3M | } ARMDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 7.15M | { | 26 | 7.15M | const uint8_t *orig_p = p; | 27 | 7.15M | uint64_t Value = 0; | 28 | 7.15M | unsigned Shift = 0; | 29 | 7.94M | do { | 30 | 7.94M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 7.94M | Shift += 7; | 32 | 7.94M | } while (*p++ >= 128); | 33 | 7.15M | if (n) | 34 | 7.15M | *n = (unsigned)(p - orig_p); | 35 | 7.15M | return Value; | 36 | 7.15M | } |
AArch64Disassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.81M | { | 26 | 1.81M | const uint8_t *orig_p = p; | 27 | 1.81M | uint64_t Value = 0; | 28 | 1.81M | unsigned Shift = 0; | 29 | 1.99M | do { | 30 | 1.99M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 1.99M | Shift += 7; | 32 | 1.99M | } while (*p++ >= 128); | 33 | 1.81M | if (n) | 34 | 1.81M | *n = (unsigned)(p - orig_p); | 35 | 1.81M | return Value; | 36 | 1.81M | } |
MipsDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.37M | { | 26 | 1.37M | const uint8_t *orig_p = p; | 27 | 1.37M | uint64_t Value = 0; | 28 | 1.37M | 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 | 1.37M | if (n) | 34 | 1.37M | *n = (unsigned)(p - orig_p); | 35 | 1.37M | return Value; | 36 | 1.37M | } |
PPCDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.31M | { | 26 | 1.31M | const uint8_t *orig_p = p; | 27 | 1.31M | uint64_t Value = 0; | 28 | 1.31M | unsigned Shift = 0; | 29 | 1.37M | do { | 30 | 1.37M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 1.37M | Shift += 7; | 32 | 1.37M | } while (*p++ >= 128); | 33 | 1.31M | if (n) | 34 | 1.31M | *n = (unsigned)(p - orig_p); | 35 | 1.31M | return Value; | 36 | 1.31M | } |
SparcDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 419k | { | 26 | 419k | const uint8_t *orig_p = p; | 27 | 419k | uint64_t Value = 0; | 28 | 419k | unsigned Shift = 0; | 29 | 431k | do { | 30 | 431k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 431k | Shift += 7; | 32 | 431k | } while (*p++ >= 128); | 33 | 419k | if (n) | 34 | 419k | *n = (unsigned)(p - orig_p); | 35 | 419k | return Value; | 36 | 419k | } |
SystemZDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 1.71M | { | 26 | 1.71M | const uint8_t *orig_p = p; | 27 | 1.71M | uint64_t Value = 0; | 28 | 1.71M | unsigned Shift = 0; | 29 | 2.31M | do { | 30 | 2.31M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 2.31M | Shift += 7; | 32 | 2.31M | } while (*p++ >= 128); | 33 | 1.71M | if (n) | 34 | 1.71M | *n = (unsigned)(p - orig_p); | 35 | 1.71M | return Value; | 36 | 1.71M | } |
XCoreDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 571k | { | 26 | 571k | const uint8_t *orig_p = p; | 27 | 571k | uint64_t Value = 0; | 28 | 571k | unsigned Shift = 0; | 29 | 636k | do { | 30 | 636k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 636k | Shift += 7; | 32 | 636k | } while (*p++ >= 128); | 33 | 571k | if (n) | 34 | 571k | *n = (unsigned)(p - orig_p); | 35 | 571k | return Value; | 36 | 571k | } |
TMS320C64xDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 364k | { | 26 | 364k | const uint8_t *orig_p = p; | 27 | 364k | uint64_t Value = 0; | 28 | 364k | unsigned Shift = 0; | 29 | 373k | do { | 30 | 373k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 373k | Shift += 7; | 32 | 373k | } while (*p++ >= 128); | 33 | 364k | if (n) | 34 | 364k | *n = (unsigned)(p - orig_p); | 35 | 364k | return Value; | 36 | 364k | } |
RISCVDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 604k | { | 26 | 604k | const uint8_t *orig_p = p; | 27 | 604k | uint64_t Value = 0; | 28 | 604k | unsigned Shift = 0; | 29 | 630k | do { | 30 | 630k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 630k | Shift += 7; | 32 | 630k | } while (*p++ >= 128); | 33 | 604k | if (n) | 34 | 604k | *n = (unsigned)(p - orig_p); | 35 | 604k | return Value; | 36 | 604k | } |
Unexecuted instantiation: TriCoreDisassembler.c:decodeULEB128 |
37 | | |
38 | | #endif // LLVM_SYSTEM_LEB128_H |