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 when the architecture has an FPU (or at least when
78 the ABI is using the FPU). */
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_gplast_regnum; /* GPR register 31 */
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 */
154 int ppc_fpscr_regnum; /* Floating point status and condition
156 int ppc_mq_regnum; /* Multiply/Divide extension register */
157 int ppc_vr0_regnum; /* First AltiVec register */
158 int ppc_vrsave_regnum; /* Last AltiVec register */
159 int ppc_ev0_regnum; /* First ev register */
160 int ppc_ev31_regnum; /* Last ev register */
161 int lr_frame_offset; /* Offset to ABI specific location where
162 link register is saved. */
166 /* Constants for register set sizes. */
169 ppc_num_fprs = 32 /* 32 floating-point registers */