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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 | 35.9M | { |
26 | 35.9M | const uint8_t *orig_p = p; |
27 | 35.9M | uint64_t Value = 0; |
28 | 35.9M | unsigned Shift = 0; |
29 | 40.2M | do { |
30 | 40.2M | Value += (uint64_t)(*p & 0x7f) << Shift; |
31 | 40.2M | Shift += 7; |
32 | 40.2M | } while (*p++ >= 128); |
33 | 35.9M | if (n) |
34 | 35.9M | *n = (unsigned)(p - orig_p); |
35 | 35.9M | return Value; |
36 | 35.9M | } 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 | 15.9M | do { | 30 | 15.9M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 15.9M | Shift += 7; | 32 | 15.9M | } 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 | 5.15M | { | 26 | 5.15M | const uint8_t *orig_p = p; | 27 | 5.15M | uint64_t Value = 0; | 28 | 5.15M | unsigned Shift = 0; | 29 | 5.64M | do { | 30 | 5.64M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 5.64M | Shift += 7; | 32 | 5.64M | } while (*p++ >= 128); | 33 | 5.15M | if (n) | 34 | 5.15M | *n = (unsigned)(p - orig_p); | 35 | 5.15M | return Value; | 36 | 5.15M | } |
MipsDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 2.81M | { | 26 | 2.81M | const uint8_t *orig_p = p; | 27 | 2.81M | uint64_t Value = 0; | 28 | 2.81M | unsigned Shift = 0; | 29 | 2.91M | do { | 30 | 2.91M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 2.91M | Shift += 7; | 32 | 2.91M | } while (*p++ >= 128); | 33 | 2.81M | if (n) | 34 | 2.81M | *n = (unsigned)(p - orig_p); | 35 | 2.81M | return Value; | 36 | 2.81M | } |
PPCDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 3.91M | { | 26 | 3.91M | const uint8_t *orig_p = p; | 27 | 3.91M | uint64_t Value = 0; | 28 | 3.91M | 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 | 3.91M | if (n) | 34 | 3.91M | *n = (unsigned)(p - orig_p); | 35 | 3.91M | return Value; | 36 | 3.91M | } |
SparcDisassembler.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 | 1.76M | do { | 30 | 1.76M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 1.76M | Shift += 7; | 32 | 1.76M | } while (*p++ >= 128); | 33 | 1.71M | if (n) | 34 | 1.71M | *n = (unsigned)(p - orig_p); | 35 | 1.71M | return Value; | 36 | 1.71M | } |
SystemZDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 4.70M | { | 26 | 4.70M | const uint8_t *orig_p = p; | 27 | 4.70M | uint64_t Value = 0; | 28 | 4.70M | unsigned Shift = 0; | 29 | 6.52M | do { | 30 | 6.52M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 6.52M | Shift += 7; | 32 | 6.52M | } while (*p++ >= 128); | 33 | 4.70M | if (n) | 34 | 4.70M | *n = (unsigned)(p - orig_p); | 35 | 4.70M | return Value; | 36 | 4.70M | } |
XCoreDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 532k | { | 26 | 532k | const uint8_t *orig_p = p; | 27 | 532k | uint64_t Value = 0; | 28 | 532k | unsigned Shift = 0; | 29 | 578k | do { | 30 | 578k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 578k | Shift += 7; | 32 | 578k | } while (*p++ >= 128); | 33 | 532k | if (n) | 34 | 532k | *n = (unsigned)(p - orig_p); | 35 | 532k | return Value; | 36 | 532k | } |
TMS320C64xDisassembler.c:decodeULEB128 Line | Count | Source | 25 | 725k | { | 26 | 725k | const uint8_t *orig_p = p; | 27 | 725k | uint64_t Value = 0; | 28 | 725k | unsigned Shift = 0; | 29 | 741k | do { | 30 | 741k | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 741k | Shift += 7; | 32 | 741k | } while (*p++ >= 128); | 33 | 725k | if (n) | 34 | 725k | *n = (unsigned)(p - orig_p); | 35 | 725k | return Value; | 36 | 725k | } |
RISCVDisassembler.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 | 2.09M | do { | 30 | 2.09M | Value += (uint64_t)(*p & 0x7f) << Shift; | 31 | 2.09M | Shift += 7; | 32 | 2.09M | } while (*p++ >= 128); | 33 | 2.00M | if (n) | 34 | 2.00M | *n = (unsigned)(p - orig_p); | 35 | 2.00M | return Value; | 36 | 2.00M | } |
Unexecuted instantiation: TriCoreDisassembler.c:decodeULEB128 |
37 | | |
38 | | #endif // LLVM_SYSTEM_LEB128_H |