1 /* PPC linux native support.
2 Copyright 1988, 1989, 1991, 1992, 1994, 1996, 2000, 2001
3 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
27 #include <sys/types.h>
28 #include <sys/param.h>
31 #include <sys/ioctl.h>
34 #include <sys/procfs.h>
36 /* Prototypes for supply_gregset etc. */
42 return (sizeof (struct user
));
46 {PT_R0
, PT_R1
, PT_R2
, PT_R3
, PT_R4
, PT_R5
, PT_R6
, PT_R7
,
47 PT_R8
, PT_R9
, PT_R10
, PT_R11
, PT_R12
, PT_R13
, PT_R14
, PT_R15
,
48 PT_R16
, PT_R17
, PT_R18
, PT_R19
, PT_R20
, PT_R21
, PT_R22
, PT_R23
,
49 PT_R24
, PT_R25
, PT_R26
, PT_R27
, PT_R28
, PT_R29
, PT_R30
, PT_R31
,
50 PT_FPR0
, PT_FPR0
+ 2, PT_FPR0
+ 4, PT_FPR0
+ 6, PT_FPR0
+ 8, PT_FPR0
+ 10, PT_FPR0
+ 12, PT_FPR0
+ 14,
51 PT_FPR0
+ 16, PT_FPR0
+ 18, PT_FPR0
+ 20, PT_FPR0
+ 22, PT_FPR0
+ 24, PT_FPR0
+ 26, PT_FPR0
+ 28, PT_FPR0
+ 30,
52 PT_FPR0
+ 32, PT_FPR0
+ 34, PT_FPR0
+ 36, PT_FPR0
+ 38, PT_FPR0
+ 40, PT_FPR0
+ 42, PT_FPR0
+ 44, PT_FPR0
+ 46,
53 PT_FPR0
+ 48, PT_FPR0
+ 50, PT_FPR0
+ 52, PT_FPR0
+ 54, PT_FPR0
+ 56, PT_FPR0
+ 58, PT_FPR0
+ 60, PT_FPR0
+ 62,
54 PT_NIP
, PT_MSR
, PT_CCR
, PT_LNK
, PT_CTR
, PT_XER
, PT_MQ
};
57 ppc_register_u_addr (int ustart
, int regnum
)
59 return (ustart
+ 4 * regmap
[regnum
]);
63 supply_gregset (gdb_gregset_t
*gregsetp
)
66 register greg_t
*regp
= (greg_t
*) gregsetp
;
68 for (regi
= 0; regi
< 32; regi
++)
69 supply_register (regi
, (char *) (regp
+ regi
));
71 for (regi
= FIRST_UISA_SP_REGNUM
; regi
<= LAST_UISA_SP_REGNUM
; regi
++)
72 supply_register (regi
, (char *) (regp
+ regmap
[regi
]));
76 fill_gregset (gdb_gregset_t
*gregsetp
, int regno
)
79 greg_t
*regp
= (greg_t
*) gregsetp
;
81 #define COPY_REG(_idx_,_regi_) \
82 if ((regno == -1) || regno == _regi_) \
83 memcpy (regp + _idx_, ®isters[REGISTER_BYTE (_regi_)], \
84 REGISTER_RAW_SIZE (_regi_))
86 for (regi
= 0; regi
< 32; regi
++)
88 COPY_REG (regmap
[regi
], regi
);
91 for (regi
= FIRST_UISA_SP_REGNUM
; regi
<= LAST_UISA_SP_REGNUM
; regi
++)
93 COPY_REG (regmap
[regi
], regi
);
98 supply_fpregset (gdb_fpregset_t
* fpregsetp
)
101 for (regi
= 0; regi
< 32; regi
++)
103 supply_register (FP0_REGNUM
+ regi
, (char *) (*fpregsetp
+ regi
));
107 /* Given a pointer to a floating point register set in /proc format
108 (fpregset_t *), update the register specified by REGNO from gdb's idea
109 of the current floating point register set. If REGNO is -1, update
113 fill_fpregset (gdb_fpregset_t
*fpregsetp
, int regno
)
119 for (regi
= 0; regi
< 32; regi
++)
121 if ((regno
== -1) || (regno
== FP0_REGNUM
+ regi
))
123 from
= (char *) ®isters
[REGISTER_BYTE (FP0_REGNUM
+ regi
)];
124 to
= (char *) (*fpregsetp
+ regi
);
125 memcpy (to
, from
, REGISTER_RAW_SIZE (FP0_REGNUM
+ regi
));
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