File: PPCPredicates.h

package info (click to toggle)
capstone 2.1.2-2.1
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 13,784 kB
  • ctags: 16,635
  • sloc: ansic: 99,525; pascal: 26,376; python: 5,637; java: 5,426; ml: 3,961; makefile: 484; sh: 110; ruby: 12
file content (57 lines) | stat: -rw-r--r-- 2,017 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
//===-- PPCPredicates.h - PPC Branch Predicate Information ------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file describes the PowerPC branch predicates.
//
//===----------------------------------------------------------------------===//

/* Capstone Disassembler Engine */
/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013> */

#ifndef CS_POWERPC_PPCPREDICATES_H
#define CS_POWERPC_PPCPREDICATES_H

#include "../../include/ppc.h"

// NOTE: duplicate of ppc_bc in ppc.h to maitain code compatibility with LLVM
typedef enum ppc_predicate {
  PPC_PRED_LT       = (0 << 5) | 12,
  PPC_PRED_LE       = (1 << 5) |  4,
  PPC_PRED_EQ       = (2 << 5) | 12,
  PPC_PRED_GE       = (0 << 5) |  4,
  PPC_PRED_GT       = (1 << 5) | 12,
  PPC_PRED_NE       = (2 << 5) |  4,
  PPC_PRED_UN       = (3 << 5) | 12,
  PPC_PRED_NU       = (3 << 5) |  4,
  PPC_PRED_LT_MINUS = (0 << 5) | 14,
  PPC_PRED_LE_MINUS = (1 << 5) |  6,
  PPC_PRED_EQ_MINUS = (2 << 5) | 14,
  PPC_PRED_GE_MINUS = (0 << 5) |  6,
  PPC_PRED_GT_MINUS = (1 << 5) | 14,
  PPC_PRED_NE_MINUS = (2 << 5) |  6,
  PPC_PRED_UN_MINUS = (3 << 5) | 14,
  PPC_PRED_NU_MINUS = (3 << 5) |  6,
  PPC_PRED_LT_PLUS  = (0 << 5) | 15,
  PPC_PRED_LE_PLUS  = (1 << 5) |  7,
  PPC_PRED_EQ_PLUS  = (2 << 5) | 15,
  PPC_PRED_GE_PLUS  = (0 << 5) |  7,
  PPC_PRED_GT_PLUS  = (1 << 5) | 15,
  PPC_PRED_NE_PLUS  = (2 << 5) |  7,
  PPC_PRED_UN_PLUS  = (3 << 5) | 15,
  PPC_PRED_NU_PLUS  = (3 << 5) |  7
} ppc_predicate;

/// Invert the specified predicate.  != -> ==, < -> >=.
ppc_predicate InvertPredicate(ppc_predicate Opcode);

/// Assume the condition register is set by MI(a,b), return the predicate if
/// we modify the instructions such that condition register is set by MI(b,a).
ppc_predicate getSwappedPredicate(ppc_predicate Opcode);

#endif