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1  /* -*- mode: C; c-basic-offset: 3; -*- */
2  
3  /*---------------------------------------------------------------*/
4  /*--- begin                                     s390_disasm.h ---*/
5  /*---------------------------------------------------------------*/
6  
7  /*
8     This file is part of Valgrind, a dynamic binary instrumentation
9     framework.
10  
11     Copyright IBM Corp. 2010-2015
12  
13     This program is free software; you can redistribute it and/or
14     modify it under the terms of the GNU General Public License as
15     published by the Free Software Foundation; either version 2 of the
16     License, or (at your option) any later version.
17  
18     This program is distributed in the hope that it will be useful, but
19     WITHOUT ANY WARRANTY; without even the implied warranty of
20     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
21     General Public License for more details.
22  
23     You should have received a copy of the GNU General Public License
24     along with this program; if not, write to the Free Software
25     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
26     02110-1301, USA.
27  
28     The GNU General Public License is contained in the file COPYING.
29  */
30  
31  #ifndef __VEX_S390_DISASM_H
32  #define __VEX_S390_DISASM_H
33  
34  #include "libvex_basictypes.h"
35  
36  /* Macros to encode a command for s390_disasm. */
37  #undef  P
38  #define P(a) (S390_ARG_##a)
39  #undef  ENC1
40  #define ENC1(a) ((P(DONE) << 4) | P(a))
41  #undef  ENC2
42  #define ENC2(a,b) ((P(DONE) << 8) | (P(b) << 4) | P(a))
43  #undef  ENC3
44  #define ENC3(a,b,c) ((P(DONE) << 12) | (P(c) << 8) | (P(b) << 4) | P(a))
45  #undef  ENC4
46  #define ENC4(a,b,c,d) ((P(DONE) << 16) | (P(d) << 12) | (P(c) << 8) | \
47                         (P(b) << 4) | P(a))
48  #undef  ENC5
49  #define ENC5(a,b,c,d,e) ((P(DONE) << 20) | (P(e) << 16) | (P(d) << 12) | \
50                           (P(c) << 8) | (P(b) << 4) | P(a))
51  #undef  ENC6
52  #define ENC6(a,b,c,d,e,f) ((P(DONE) << 24) | (P(f) << 20) | (P(e) << 16) | \
53                             (P(d) << 12) | (P(c) << 8) | (P(b) << 4) | P(a))
54  
55  /* The different kinds of operands in an asm insn */
56  enum {
57     S390_ARG_DONE = 0,
58     S390_ARG_GPR = 1,
59     S390_ARG_FPR = 2,
60     S390_ARG_AR = 3,
61     S390_ARG_INT = 4,
62     S390_ARG_UINT = 5,
63     S390_ARG_PCREL = 6,
64     S390_ARG_SDXB = 7,
65     S390_ARG_UDXB = 8,
66     S390_ARG_UDLB = 9,
67     S390_ARG_CABM = 10,
68     S390_ARG_MNM = 11,
69     S390_ARG_XMNM = 12
70  };
71  
72  /* The different kinds of extended mnemonics */
73  enum {
74     S390_XMNM_CAB = 0,
75     S390_XMNM_BCR = 1,
76     S390_XMNM_BC = 2,
77     S390_XMNM_BRC = 3,
78     S390_XMNM_BRCL = 4,
79     S390_XMNM_LOCR = 5,
80     S390_XMNM_LOCGR = 6,
81     S390_XMNM_LOC = 7,
82     S390_XMNM_LOCG = 8,
83     S390_XMNM_STOC = 9,
84     S390_XMNM_STOCG = 10
85  };
86  
87  void s390_disasm(UInt command, ...);
88  
89  /*---------------------------------------------------------------*/
90  /*--- end                                       s390_disasm.h ---*/
91  /*---------------------------------------------------------------*/
92  
93  #endif /* __VEX_S390_DISASM_H */
94