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9aa1e687 | 1 | /* Target-dependent code for GDB, the GNU debugger. |
f9be684a AC |
2 | |
3 | Copyright 2000, 2001, 2002, 2003, 2004 Free Software Foundation, | |
4 | Inc. | |
9aa1e687 KB |
5 | |
6 | This file is part of GDB. | |
7 | ||
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. | |
12 | ||
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. | |
17 | ||
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. */ | |
22 | ||
3a1c5313 AC |
23 | #ifndef PPC_TDEP_H |
24 | #define PPC_TDEP_H | |
25 | ||
da3331ec | 26 | struct gdbarch; |
3a1c5313 AC |
27 | struct frame_info; |
28 | struct value; | |
4a4b3fed | 29 | struct regcache; |
221c12ff | 30 | struct type; |
3a1c5313 | 31 | |
9aa1e687 | 32 | /* From ppc-linux-tdep.c... */ |
05580c65 AC |
33 | enum return_value_convention ppc_sysv_abi_return_value (struct gdbarch *gdbarch, |
34 | struct type *valtype, | |
35 | struct regcache *regcache, | |
963e2bb7 AC |
36 | void *readbuf, |
37 | const void *writebuf); | |
05580c65 AC |
38 | enum return_value_convention ppc_sysv_abi_broken_return_value (struct gdbarch *gdbarch, |
39 | struct type *valtype, | |
40 | struct regcache *regcache, | |
963e2bb7 AC |
41 | void *readbuf, |
42 | const void *writebuf); | |
77b2b6d4 | 43 | CORE_ADDR ppc_sysv_abi_push_dummy_call (struct gdbarch *gdbarch, |
7d9b040b | 44 | struct value *function, |
77b2b6d4 AC |
45 | struct regcache *regcache, |
46 | CORE_ADDR bp_addr, int nargs, | |
47 | struct value **args, CORE_ADDR sp, | |
48 | int struct_return, | |
49 | CORE_ADDR struct_addr); | |
8be9034a | 50 | CORE_ADDR ppc64_sysv_abi_push_dummy_call (struct gdbarch *gdbarch, |
7d9b040b | 51 | struct value *function, |
8be9034a AC |
52 | struct regcache *regcache, |
53 | CORE_ADDR bp_addr, int nargs, | |
54 | struct value **args, CORE_ADDR sp, | |
55 | int struct_return, | |
56 | CORE_ADDR struct_addr); | |
6066c3de AC |
57 | CORE_ADDR ppc64_sysv_abi_adjust_breakpoint_address (struct gdbarch *gdbarch, |
58 | CORE_ADDR bpaddr); | |
9aa1e687 | 59 | int ppc_linux_memory_remove_breakpoint (CORE_ADDR addr, char *contents_cache); |
6ded7999 | 60 | struct link_map_offsets *ppc_linux_svr4_fetch_link_map_offsets (void); |
f9be684a AC |
61 | void ppc_linux_supply_gregset (struct regcache *regcache, |
62 | int regnum, const void *gregs, size_t size, | |
63 | int wordsize); | |
64 | void ppc_linux_supply_fpregset (const struct regset *regset, | |
65 | struct regcache *regcache, | |
66 | int regnum, const void *gregs, size_t size); | |
9aa1e687 | 67 | |
05580c65 AC |
68 | enum return_value_convention ppc64_sysv_abi_return_value (struct gdbarch *gdbarch, |
69 | struct type *valtype, | |
70 | struct regcache *regcache, | |
963e2bb7 AC |
71 | void *readbuf, |
72 | const void *writebuf); | |
9aa1e687 KB |
73 | |
74 | /* From rs6000-tdep.c... */ | |
1fcc0bb8 | 75 | int altivec_register_p (int regno); |
867e2dc5 | 76 | int spe_register_p (int regno); |
9aa1e687 | 77 | |
383f0f5b JB |
78 | /* Return non-zero if the architecture described by GDBARCH has |
79 | floating-point registers (f0 --- f31 and fpscr). */ | |
0a613259 AC |
80 | int ppc_floating_point_unit_p (struct gdbarch *gdbarch); |
81 | ||
d195bc9f MK |
82 | /* Register set description. */ |
83 | ||
84 | struct ppc_reg_offsets | |
85 | { | |
86 | /* General-purpose registers. */ | |
87 | int r0_offset; | |
88 | int pc_offset; | |
89 | int ps_offset; | |
90 | int cr_offset; | |
91 | int lr_offset; | |
92 | int ctr_offset; | |
93 | int xer_offset; | |
94 | int mq_offset; | |
95 | ||
96 | /* Floating-point registers. */ | |
97 | int f0_offset; | |
98 | int fpscr_offset; | |
99 | ||
100 | /* AltiVec registers. */ | |
101 | int vr0_offset; | |
102 | int vscr_offset; | |
103 | int vrsave_offset; | |
104 | }; | |
105 | ||
106 | /* Supply register REGNUM in the general-purpose register set REGSET | |
107 | from the buffer specified by GREGS and LEN to register cache | |
108 | REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */ | |
109 | ||
110 | extern void ppc_supply_gregset (const struct regset *regset, | |
111 | struct regcache *regcache, | |
112 | int regnum, const void *gregs, size_t len); | |
113 | ||
114 | /* Supply register REGNUM in the floating-point register set REGSET | |
115 | from the buffer specified by FPREGS and LEN to register cache | |
116 | REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */ | |
117 | ||
118 | extern void ppc_supply_fpregset (const struct regset *regset, | |
119 | struct regcache *regcache, | |
120 | int regnum, const void *fpregs, size_t len); | |
121 | ||
122 | /* Collect register REGNUM in the general-purpose register set | |
123 | REGSET. from register cache REGCACHE into the buffer specified by | |
124 | GREGS and LEN. If REGNUM is -1, do this for all registers in | |
125 | REGSET. */ | |
126 | ||
127 | extern void ppc_collect_gregset (const struct regset *regset, | |
128 | const struct regcache *regcache, | |
129 | int regnum, void *gregs, size_t len); | |
130 | ||
131 | /* Collect register REGNUM in the floating-point register set | |
132 | REGSET. from register cache REGCACHE into the buffer specified by | |
133 | FPREGS and LEN. If REGNUM is -1, do this for all registers in | |
134 | REGSET. */ | |
135 | ||
136 | extern void ppc_collect_fpregset (const struct regset *regset, | |
137 | const struct regcache *regcache, | |
138 | int regnum, void *fpregs, size_t len); | |
139 | ||
2188cbdd EZ |
140 | /* Private data that this module attaches to struct gdbarch. */ |
141 | ||
142 | struct gdbarch_tdep | |
143 | { | |
144 | int wordsize; /* size in bytes of fixed-point word */ | |
2188cbdd EZ |
145 | const struct reg *regs; /* from current variant */ |
146 | int ppc_gp0_regnum; /* GPR register 0 */ | |
01904826 | 147 | int ppc_gprs_pseudo_p; /* non-zero if GPRs are pseudo-registers */ |
2188cbdd EZ |
148 | int ppc_toc_regnum; /* TOC register */ |
149 | int ppc_ps_regnum; /* Processor (or machine) status (%msr) */ | |
150 | int ppc_cr_regnum; /* Condition register */ | |
151 | int ppc_lr_regnum; /* Link register */ | |
152 | int ppc_ctr_regnum; /* Count register */ | |
153 | int ppc_xer_regnum; /* Integer exception register */ | |
383f0f5b JB |
154 | |
155 | /* On PPC and RS6000 variants that have no floating-point | |
156 | registers, the next two members will be -1. */ | |
366f009f | 157 | int ppc_fp0_regnum; /* floating-point register 0 */ |
e3f36dbd KB |
158 | int ppc_fpscr_regnum; /* Floating point status and condition |
159 | register */ | |
383f0f5b | 160 | |
2188cbdd | 161 | int ppc_mq_regnum; /* Multiply/Divide extension register */ |
1fcc0bb8 EZ |
162 | int ppc_vr0_regnum; /* First AltiVec register */ |
163 | int ppc_vrsave_regnum; /* Last AltiVec register */ | |
c8001721 EZ |
164 | int ppc_ev0_regnum; /* First ev register */ |
165 | int ppc_ev31_regnum; /* Last ev register */ | |
867e2dc5 JB |
166 | int ppc_acc_regnum; /* SPE 'acc' register */ |
167 | int ppc_spefscr_regnum; /* SPE 'spefscr' register */ | |
a88376a3 KB |
168 | int lr_frame_offset; /* Offset to ABI specific location where |
169 | link register is saved. */ | |
2188cbdd | 170 | }; |
3a1c5313 | 171 | |
b967e06f JB |
172 | |
173 | /* Constants for register set sizes. */ | |
174 | enum | |
175 | { | |
8bf659e8 | 176 | ppc_num_gprs = 32, /* 32 general-purpose registers */ |
b967e06f JB |
177 | ppc_num_fprs = 32 /* 32 floating-point registers */ |
178 | }; | |
179 | ||
3a1c5313 | 180 | #endif |