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
27 struct trad_frame_saved_reg;
29 /* Register offsets for the general-purpose register set. */
44 /* SPARC architecture-specific information. */
48 /* Register numbers for the PN and nPC registers. The definitions
49 for (64-bit) UltraSPARC differ from the (32-bit) SPARC
54 /* Offset of saved PC in jmp_buf. */
57 /* Size of an Procedure Linkage Table (PLT) entry, 0 if we shouldn't
58 treat the PLT special when doing prologue analysis. */
59 size_t plt_entry_size;
62 /* Register numbers of various important registers. */
66 SPARC_G0_REGNUM, /* %g0 */
73 SPARC_G7_REGNUM, /* %g7 */
74 SPARC_O0_REGNUM, /* %o0 */
80 SPARC_SP_REGNUM, /* %sp (%o6) */
81 SPARC_O7_REGNUM, /* %o7 */
82 SPARC_L0_REGNUM, /* %l0 */
89 SPARC_L7_REGNUM, /* %l7 */
90 SPARC_I0_REGNUM, /* %i0 */
96 SPARC_FP_REGNUM, /* %fp (%i6) */
97 SPARC_I7_REGNUM, /* %i7 */
98 SPARC_F0_REGNUM, /* %f0 */
100 SPARC_F31_REGNUM /* %f31 */
101 = SPARC_F0_REGNUM + 31
106 SPARC32_Y_REGNUM /* %y */
107 = SPARC_F31_REGNUM + 1,
108 SPARC32_PSR_REGNUM, /* %psr */
109 SPARC32_WIM_REGNUM, /* %wim */
110 SPARC32_TBR_REGNUM, /* %tbr */
111 SPARC32_PC_REGNUM, /* %pc */
112 SPARC32_NPC_REGNUM, /* %npc */
113 SPARC32_FSR_REGNUM, /* %fsr */
114 SPARC32_CSR_REGNUM, /* %csr */
116 /* Pseudo registers. */
117 SPARC32_D0_REGNUM, /* %d0 */
118 SPARC32_D30_REGNUM /* %d30 */
119 = SPARC32_D0_REGNUM + 15
123 struct sparc_frame_cache
129 /* Do we have a frame? */
132 /* Do we have a Structure, Union or Quad-Precision return value?. */
135 /* Table of saved registers. */
136 struct trad_frame_saved_reg *saved_regs;
139 /* Fetch the instruction at PC. */
140 extern unsigned long sparc_fetch_instruction (CORE_ADDR pc);
142 extern CORE_ADDR sparc_analyze_prologue (CORE_ADDR pc, CORE_ADDR current_pc,
143 struct sparc_frame_cache *cache);
145 extern struct sparc_frame_cache *
146 sparc_frame_cache (struct frame_info *next_frame, void **this_cache);
148 extern struct sparc_frame_cache *
149 sparc32_frame_cache (struct frame_info *next_frame, void **this_cache);
153 extern void sparc_software_single_step (enum target_signal sig,
154 int insert_breakpoints_p);
156 extern void sparc_supply_rwindow (struct regcache *regcache,
157 CORE_ADDR sp, int regnum);
158 extern void sparc_collect_rwindow (const struct regcache *regcache,
159 CORE_ADDR sp, int regnum);
161 /* Register offsets for SunOS 4. */
162 extern const struct sparc_gregset sparc32_sunos4_gregset;
164 extern void sparc32_supply_gregset (const struct sparc_gregset *gregset,
165 struct regcache *regcache,
166 int regnum, const void *gregs);
167 extern void sparc32_collect_gregset (const struct sparc_gregset *gregset,
168 const struct regcache *regcache,
169 int regnum, void *gregs);
170 extern void sparc32_supply_fpregset (struct regcache *regcache,
171 int regnum, const void *fpregs);
172 extern void sparc32_collect_fpregset (const struct regcache *regcache,
173 int regnum, void *fpregs);
175 /* Functions and variables exported from sparc-sol2-tdep.c. */
177 /* Register offsets for Solaris 2. */
178 extern const struct sparc_gregset sparc32_sol2_gregset;
180 extern int sparc_sol2_pc_in_sigtramp (CORE_ADDR pc, char *name);
182 extern void sparc32_sol2_init_abi (struct gdbarch_info info,
183 struct gdbarch *gdbarch);
185 /* Functions and variables exported from sparcnbsd-tdep.c. */
187 /* Register offsets for NetBSD. */
188 extern const struct sparc_gregset sparc32nbsd_gregset;
190 #endif /* sparc-tdep.h */