1 /* Target-dependent code for SPARC.
3 Copyright 2003, 2004 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,
20 Boston, MA 02111-1307, USA. */
23 #define SPARC_TDEP_H 1
28 struct trad_frame_saved_reg
;
30 /* Register offsets for the general-purpose register set. */
45 /* SPARC architecture-specific information. */
49 /* Register numbers for the PN and nPC registers. The definitions
50 for (64-bit) UltraSPARC differ from the (32-bit) SPARC
56 struct regset
*gregset
;
57 size_t sizeof_gregset
;
58 struct regset
*fpregset
;
59 size_t sizeof_fpregset
;
61 /* Offset of saved PC in jmp_buf. */
64 /* Size of an Procedure Linkage Table (PLT) entry, 0 if we shouldn't
65 treat the PLT special when doing prologue analysis. */
66 size_t plt_entry_size
;
69 /* Register numbers of various important registers. */
73 SPARC_G0_REGNUM
, /* %g0 */
80 SPARC_G7_REGNUM
, /* %g7 */
81 SPARC_O0_REGNUM
, /* %o0 */
87 SPARC_SP_REGNUM
, /* %sp (%o6) */
88 SPARC_O7_REGNUM
, /* %o7 */
89 SPARC_L0_REGNUM
, /* %l0 */
96 SPARC_L7_REGNUM
, /* %l7 */
97 SPARC_I0_REGNUM
, /* %i0 */
103 SPARC_FP_REGNUM
, /* %fp (%i6) */
104 SPARC_I7_REGNUM
, /* %i7 */
105 SPARC_F0_REGNUM
, /* %f0 */
107 SPARC_F31_REGNUM
/* %f31 */
108 = SPARC_F0_REGNUM
+ 31
113 SPARC32_Y_REGNUM
/* %y */
114 = SPARC_F31_REGNUM
+ 1,
115 SPARC32_PSR_REGNUM
, /* %psr */
116 SPARC32_WIM_REGNUM
, /* %wim */
117 SPARC32_TBR_REGNUM
, /* %tbr */
118 SPARC32_PC_REGNUM
, /* %pc */
119 SPARC32_NPC_REGNUM
, /* %npc */
120 SPARC32_FSR_REGNUM
, /* %fsr */
121 SPARC32_CSR_REGNUM
, /* %csr */
123 /* Pseudo registers. */
124 SPARC32_D0_REGNUM
, /* %d0 */
125 SPARC32_D30_REGNUM
/* %d30 */
126 = SPARC32_D0_REGNUM
+ 15
130 struct sparc_frame_cache
136 /* Do we have a frame? */
139 /* Do we have a Structure, Union or Quad-Precision return value?. */
142 /* Table of saved registers. */
143 struct trad_frame_saved_reg
*saved_regs
;
146 /* Fetch the instruction at PC. */
147 extern unsigned long sparc_fetch_instruction (CORE_ADDR pc
);
149 extern CORE_ADDR
sparc_analyze_prologue (CORE_ADDR pc
, CORE_ADDR current_pc
,
150 struct sparc_frame_cache
*cache
);
152 extern struct sparc_frame_cache
*
153 sparc_frame_cache (struct frame_info
*next_frame
, void **this_cache
);
155 extern struct sparc_frame_cache
*
156 sparc32_frame_cache (struct frame_info
*next_frame
, void **this_cache
);
160 extern void sparc_software_single_step (enum target_signal sig
,
161 int insert_breakpoints_p
);
163 extern void sparc_supply_rwindow (struct regcache
*regcache
,
164 CORE_ADDR sp
, int regnum
);
165 extern void sparc_collect_rwindow (const struct regcache
*regcache
,
166 CORE_ADDR sp
, int regnum
);
168 /* Register offsets for SunOS 4. */
169 extern const struct sparc_gregset sparc32_sunos4_gregset
;
171 extern void sparc32_supply_gregset (const struct sparc_gregset
*gregset
,
172 struct regcache
*regcache
,
173 int regnum
, const void *gregs
);
174 extern void sparc32_collect_gregset (const struct sparc_gregset
*gregset
,
175 const struct regcache
*regcache
,
176 int regnum
, void *gregs
);
177 extern void sparc32_supply_fpregset (struct regcache
*regcache
,
178 int regnum
, const void *fpregs
);
179 extern void sparc32_collect_fpregset (const struct regcache
*regcache
,
180 int regnum
, void *fpregs
);
182 /* Functions and variables exported from sparc-sol2-tdep.c. */
184 /* Register offsets for Solaris 2. */
185 extern const struct sparc_gregset sparc32_sol2_gregset
;
187 extern int sparc_sol2_pc_in_sigtramp (CORE_ADDR pc
, char *name
);
189 extern void sparc32_sol2_init_abi (struct gdbarch_info info
,
190 struct gdbarch
*gdbarch
);
192 /* Functions and variables exported from sparcnbsd-tdep.c. */
194 /* Register offsets for NetBSD. */
195 extern const struct sparc_gregset sparc32nbsd_gregset
;
197 #endif /* sparc-tdep.h */