1 /* Target-dependent code for SPARC.
3 Copyright (C) 2003, 2004, 2006, 2007, 2008 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 3 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, see <http://www.gnu.org/licenses/>. */
21 #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
55 struct regset *gregset;
56 size_t sizeof_gregset;
57 struct regset *fpregset;
58 size_t sizeof_fpregset;
60 /* Offset of saved PC in jmp_buf. */
63 /* Size of an Procedure Linkage Table (PLT) entry, 0 if we shouldn't
64 treat the PLT special when doing prologue analysis. */
65 size_t plt_entry_size;
67 /* Alternative location for trap return. Used for single-stepping. */
68 CORE_ADDR (*step_trap) (struct frame_info *frame, unsigned long insn);
71 /* Register numbers of various important registers. */
75 SPARC_G0_REGNUM, /* %g0 */
82 SPARC_G7_REGNUM, /* %g7 */
83 SPARC_O0_REGNUM, /* %o0 */
89 SPARC_SP_REGNUM, /* %sp (%o6) */
90 SPARC_O7_REGNUM, /* %o7 */
91 SPARC_L0_REGNUM, /* %l0 */
98 SPARC_L7_REGNUM, /* %l7 */
99 SPARC_I0_REGNUM, /* %i0 */
105 SPARC_FP_REGNUM, /* %fp (%i6) */
106 SPARC_I7_REGNUM, /* %i7 */
107 SPARC_F0_REGNUM, /* %f0 */
109 SPARC_F31_REGNUM /* %f31 */
110 = SPARC_F0_REGNUM + 31
115 SPARC32_Y_REGNUM /* %y */
116 = SPARC_F31_REGNUM + 1,
117 SPARC32_PSR_REGNUM, /* %psr */
118 SPARC32_WIM_REGNUM, /* %wim */
119 SPARC32_TBR_REGNUM, /* %tbr */
120 SPARC32_PC_REGNUM, /* %pc */
121 SPARC32_NPC_REGNUM, /* %npc */
122 SPARC32_FSR_REGNUM, /* %fsr */
123 SPARC32_CSR_REGNUM, /* %csr */
125 /* Pseudo registers. */
126 SPARC32_D0_REGNUM, /* %d0 */
127 SPARC32_D30_REGNUM /* %d30 */
128 = SPARC32_D0_REGNUM + 15
132 struct sparc_frame_cache
138 /* Do we have a frame? */
141 /* Do we have a Structure, Union or Quad-Precision return value?. */
144 /* Table of saved registers. */
145 struct trad_frame_saved_reg *saved_regs;
148 /* Fetch the instruction at PC. */
149 extern unsigned long sparc_fetch_instruction (CORE_ADDR pc);
151 /* Fetch StackGhost Per-Process XOR cookie. */
152 extern ULONGEST sparc_fetch_wcookie (void);
154 extern CORE_ADDR sparc_analyze_prologue (struct gdbarch *gdbarch,
155 CORE_ADDR pc, CORE_ADDR current_pc,
156 struct sparc_frame_cache *cache);
158 extern struct sparc_frame_cache *
159 sparc_frame_cache (struct frame_info *next_frame, void **this_cache);
161 extern struct sparc_frame_cache *
162 sparc32_frame_cache (struct frame_info *next_frame, void **this_cache);
166 extern int sparc_software_single_step (struct frame_info *frame);
168 extern void sparc_supply_rwindow (struct regcache *regcache,
169 CORE_ADDR sp, int regnum);
170 extern void sparc_collect_rwindow (const struct regcache *regcache,
171 CORE_ADDR sp, int regnum);
173 /* Register offsets for SunOS 4. */
174 extern const struct sparc_gregset sparc32_sunos4_gregset;
176 extern void sparc32_supply_gregset (const struct sparc_gregset *gregset,
177 struct regcache *regcache,
178 int regnum, const void *gregs);
179 extern void sparc32_collect_gregset (const struct sparc_gregset *gregset,
180 const struct regcache *regcache,
181 int regnum, void *gregs);
182 extern void sparc32_supply_fpregset (struct regcache *regcache,
183 int regnum, const void *fpregs);
184 extern void sparc32_collect_fpregset (const struct regcache *regcache,
185 int regnum, void *fpregs);
187 /* Functions and variables exported from sparc-sol2-tdep.c. */
189 /* Register offsets for Solaris 2. */
190 extern const struct sparc_gregset sparc32_sol2_gregset;
192 extern int sparc_sol2_pc_in_sigtramp (CORE_ADDR pc, char *name);
194 extern char *sparc_sol2_static_transform_name (char *name);
196 extern void sparc32_sol2_init_abi (struct gdbarch_info info,
197 struct gdbarch *gdbarch);
199 /* Functions and variables exported from sparcnbsd-tdep.c. */
201 /* Register offsets for NetBSD. */
202 extern const struct sparc_gregset sparc32nbsd_gregset;
204 /* Return the address of a system call's alternative return
206 extern CORE_ADDR sparcnbsd_step_trap (struct frame_info *frame,
209 extern void sparc32nbsd_elf_init_abi (struct gdbarch_info info,
210 struct gdbarch *gdbarch);
212 extern struct trad_frame_saved_reg *
213 sparc32nbsd_sigcontext_saved_regs (struct frame_info *next_frame);
215 #endif /* sparc-tdep.h */