1 /* Target-dependent code for GDB, the GNU debugger.
3 Copyright 2000, 2001, 2002, 2003, 2004 Free Software Foundation,
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
32 /* From ppc-linux-tdep.c... */
33 enum return_value_convention
ppc_sysv_abi_return_value (struct gdbarch
*gdbarch
,
35 struct regcache
*regcache
,
37 const void *writebuf
);
38 enum return_value_convention
ppc_sysv_abi_broken_return_value (struct gdbarch
*gdbarch
,
40 struct regcache
*regcache
,
42 const void *writebuf
);
43 CORE_ADDR
ppc_sysv_abi_push_dummy_call (struct gdbarch
*gdbarch
,
45 struct regcache
*regcache
,
46 CORE_ADDR bp_addr
, int nargs
,
47 struct value
**args
, CORE_ADDR sp
,
49 CORE_ADDR struct_addr
);
50 CORE_ADDR
ppc64_sysv_abi_push_dummy_call (struct gdbarch
*gdbarch
,
52 struct regcache
*regcache
,
53 CORE_ADDR bp_addr
, int nargs
,
54 struct value
**args
, CORE_ADDR sp
,
56 CORE_ADDR struct_addr
);
57 CORE_ADDR
ppc64_sysv_abi_adjust_breakpoint_address (struct gdbarch
*gdbarch
,
59 int ppc_linux_memory_remove_breakpoint (CORE_ADDR addr
, char *contents_cache
);
60 struct link_map_offsets
*ppc_linux_svr4_fetch_link_map_offsets (void);
61 void ppc_linux_supply_gregset (struct regcache
*regcache
,
62 int regnum
, const void *gregs
, size_t size
,
64 void ppc_linux_supply_fpregset (const struct regset
*regset
,
65 struct regcache
*regcache
,
66 int regnum
, const void *gregs
, size_t size
);
68 enum return_value_convention
ppc64_sysv_abi_return_value (struct gdbarch
*gdbarch
,
70 struct regcache
*regcache
,
72 const void *writebuf
);
74 /* From rs6000-tdep.c... */
75 int altivec_register_p (int regno
);
77 /* Return non-zero if the architecture described by GDBARCH has
78 floating-point registers (f0 --- f31 and fpscr). */
79 int ppc_floating_point_unit_p (struct gdbarch
*gdbarch
);
81 /* Register set description. */
83 struct ppc_reg_offsets
85 /* General-purpose registers. */
95 /* Floating-point registers. */
99 /* AltiVec registers. */
105 /* Supply register REGNUM in the general-purpose register set REGSET
106 from the buffer specified by GREGS and LEN to register cache
107 REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
109 extern void ppc_supply_gregset (const struct regset
*regset
,
110 struct regcache
*regcache
,
111 int regnum
, const void *gregs
, size_t len
);
113 /* Supply register REGNUM in the floating-point register set REGSET
114 from the buffer specified by FPREGS and LEN to register cache
115 REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
117 extern void ppc_supply_fpregset (const struct regset
*regset
,
118 struct regcache
*regcache
,
119 int regnum
, const void *fpregs
, size_t len
);
121 /* Collect register REGNUM in the general-purpose register set
122 REGSET. from register cache REGCACHE into the buffer specified by
123 GREGS and LEN. If REGNUM is -1, do this for all registers in
126 extern void ppc_collect_gregset (const struct regset
*regset
,
127 const struct regcache
*regcache
,
128 int regnum
, void *gregs
, size_t len
);
130 /* Collect register REGNUM in the floating-point register set
131 REGSET. from register cache REGCACHE into the buffer specified by
132 FPREGS and LEN. If REGNUM is -1, do this for all registers in
135 extern void ppc_collect_fpregset (const struct regset
*regset
,
136 const struct regcache
*regcache
,
137 int regnum
, void *fpregs
, size_t len
);
139 /* Private data that this module attaches to struct gdbarch. */
143 int wordsize
; /* size in bytes of fixed-point word */
144 int *regoff
; /* byte offsets in register arrays */
145 const struct reg
*regs
; /* from current variant */
146 int ppc_gp0_regnum
; /* GPR register 0 */
147 int ppc_toc_regnum
; /* TOC register */
148 int ppc_ps_regnum
; /* Processor (or machine) status (%msr) */
149 int ppc_cr_regnum
; /* Condition register */
150 int ppc_lr_regnum
; /* Link register */
151 int ppc_ctr_regnum
; /* Count register */
152 int ppc_xer_regnum
; /* Integer exception register */
154 /* On PPC and RS6000 variants that have no floating-point
155 registers, the next two members will be -1. */
156 int ppc_fp0_regnum
; /* floating-point register 0 */
157 int ppc_fpscr_regnum
; /* Floating point status and condition
160 int ppc_mq_regnum
; /* Multiply/Divide extension register */
161 int ppc_vr0_regnum
; /* First AltiVec register */
162 int ppc_vrsave_regnum
; /* Last AltiVec register */
163 int ppc_ev0_regnum
; /* First ev register */
164 int ppc_ev31_regnum
; /* Last ev register */
165 int lr_frame_offset
; /* Offset to ABI specific location where
166 link register is saved. */
170 /* Constants for register set sizes. */
173 ppc_num_gprs
= 32, /* 32 general-purpose registers */
174 ppc_num_fprs
= 32 /* 32 floating-point registers */
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