Create new file regcache.h. Update all uses.
[deliverable/binutils-gdb.git] / gdb / ia64-aix-nat.c
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1/* Functions specific to running gdb native on IA-64 running AIX.
2 Copyright 2000, 2001 Free Software Foundation, Inc.
3
4 This file is part of GDB.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21#include "defs.h"
22#include "inferior.h"
23#include "target.h"
24#include "gdbcore.h"
4e052eda 25#include "regcache.h"
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26#include <sys/procfs.h>
27
28#include "symtab.h"
29#include "bfd.h"
30#include "symfile.h"
31#include "objfiles.h"
32
33#include <sys/types.h>
34#include <fcntl.h>
35#include "gdb_stat.h"
36
37void
38supply_gregset (prgregset_t *gregsetp)
39{
40 int regi;
41
42 for (regi = IA64_GR0_REGNUM; regi <= IA64_GR31_REGNUM; regi++)
43 {
44 supply_register (regi,
45 (char *) &(gregsetp->__gpr[regi - IA64_GR0_REGNUM]));
46 }
47
48 for (regi = IA64_BR0_REGNUM; regi <= IA64_BR7_REGNUM; regi++)
49 {
50 supply_register (regi,
51 (char *) &(gregsetp->__br[regi - IA64_BR0_REGNUM]));
52 }
53
54 supply_register (IA64_PSR_REGNUM, (char *) &(gregsetp->__psr));
55 supply_register (IA64_IP_REGNUM, (char *) &(gregsetp->__ip));
56 supply_register (IA64_CFM_REGNUM, (char *) &(gregsetp->__ifs));
57 supply_register (IA64_RSC_REGNUM, (char *) &(gregsetp->__rsc));
58 supply_register (IA64_BSP_REGNUM, (char *) &(gregsetp->__bsp));
59 supply_register (IA64_BSPSTORE_REGNUM, (char *) &(gregsetp->__bspstore));
60 supply_register (IA64_RNAT_REGNUM, (char *) &(gregsetp->__rnat));
61 supply_register (IA64_PFS_REGNUM, (char *) &(gregsetp->__pfs));
62 supply_register (IA64_UNAT_REGNUM, (char *) &(gregsetp->__unat));
63 supply_register (IA64_PR_REGNUM, (char *) &(gregsetp->__preds));
64 supply_register (IA64_CCV_REGNUM, (char *) &(gregsetp->__ccv));
65 supply_register (IA64_LC_REGNUM, (char *) &(gregsetp->__lc));
66 supply_register (IA64_EC_REGNUM, (char *) &(gregsetp->__ec));
67 /* FIXME: __nats */
68 supply_register (IA64_FPSR_REGNUM, (char *) &(gregsetp->__fpsr));
69
70 /* These (for the most part) are pseudo registers and are obtained
71 by other means. Those that aren't are already handled by the
72 code above. */
73 for (regi = IA64_GR32_REGNUM; regi <= IA64_GR127_REGNUM; regi++)
74 register_valid[regi] = 1;
75 for (regi = IA64_PR0_REGNUM; regi <= IA64_PR63_REGNUM; regi++)
76 register_valid[regi] = 1;
77 for (regi = IA64_VFP_REGNUM; regi <= NUM_REGS; regi++)
78 register_valid[regi] = 1;
79}
80
81void
82fill_gregset (prgregset_t *gregsetp, int regno)
83{
84 int regi;
85
86#define COPY_REG(_fld_,_regi_) \
87 if ((regno == -1) || regno == _regi_) \
88 memcpy (&(gregsetp->_fld_), &registers[REGISTER_BYTE (_regi_)], \
89 REGISTER_RAW_SIZE (_regi_))
90
91 for (regi = IA64_GR0_REGNUM; regi <= IA64_GR31_REGNUM; regi++)
92 {
93 COPY_REG (__gpr[regi - IA64_GR0_REGNUM], regi);
94 }
95
96 for (regi = IA64_BR0_REGNUM; regi <= IA64_BR7_REGNUM; regi++)
97 {
98 COPY_REG (__br[regi - IA64_BR0_REGNUM], regi);
99 }
100 COPY_REG (__psr, IA64_PSR_REGNUM);
101 COPY_REG (__ip, IA64_IP_REGNUM);
102 COPY_REG (__ifs, IA64_CFM_REGNUM);
103 COPY_REG (__rsc, IA64_RSC_REGNUM);
104 COPY_REG (__bsp, IA64_BSP_REGNUM);
105
106 /* Bad things happen if we don't update both bsp and bspstore at the
107 same time. */
108 if (regno == IA64_BSP_REGNUM || regno == -1)
109 {
110 memcpy (&(gregsetp->__bspstore),
111 &registers[REGISTER_BYTE (IA64_BSP_REGNUM)],
112 REGISTER_RAW_SIZE (IA64_BSP_REGNUM));
113 memcpy (&registers[REGISTER_BYTE (IA64_BSPSTORE_REGNUM)],
114 &registers[REGISTER_BYTE (IA64_BSP_REGNUM)],
115 REGISTER_RAW_SIZE (IA64_BSP_REGNUM));
116 }
117
118#if 0
119 /* We never actually write to bspstore, or we'd have to do the same thing
120 here too. */
121 COPY_REG (__bspstore, IA64_BSPSTORE_REGNUM);
122#endif
123 COPY_REG (__rnat, IA64_RNAT_REGNUM);
124 COPY_REG (__pfs, IA64_PFS_REGNUM);
125 COPY_REG (__unat, IA64_UNAT_REGNUM);
126 COPY_REG (__preds, IA64_PR_REGNUM);
127 COPY_REG (__ccv, IA64_CCV_REGNUM);
128 COPY_REG (__lc, IA64_LC_REGNUM);
129 COPY_REG (__ec, IA64_EC_REGNUM);
130 /* FIXME: __nats */
131 COPY_REG (__fpsr, IA64_FPSR_REGNUM);
132#undef COPY_REG
133}
134
135void
136supply_fpregset (prfpregset_t *fpregsetp)
137{
138 register int regi;
139
140 for (regi = IA64_FR0_REGNUM; regi <= IA64_FR127_REGNUM; regi++)
141 supply_register (regi,
142 (char *) &(fpregsetp->__fpr[regi - IA64_FR0_REGNUM]));
143}
144
145void
146fill_fpregset (prfpregset_t *fpregsetp, int regno)
147{
148 int regi;
149 char *to;
150 char *from;
151
152 for (regi = IA64_FR0_REGNUM; regi <= IA64_FR127_REGNUM; regi++)
153 {
154 if ((regno == -1) || (regno == regi))
155 {
156 from = (char *) &registers[REGISTER_BYTE (regi)];
157 to = (char *) &(fpregsetp->__fpr[regi - IA64_FR0_REGNUM]);
158 memcpy (to, from, REGISTER_RAW_SIZE (regi));
159 }
160 }
161}
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