1 /* Target-dependent code for SPARC.
3 Copyright (C) 2003-2018 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
23 #define SPARC_CORE_REGISTERS \
24 "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", \
25 "o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7", \
26 "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7", \
27 "i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7"
33 struct trad_frame_saved_reg;
35 /* Register offsets for the general-purpose register set. */
56 /* SPARC architecture-specific information. */
60 /* Register numbers for the PN and nPC registers. The definitions
61 for (64-bit) UltraSPARC differ from the (32-bit) SPARC
66 /* Register names specific for architecture (sparc32 vs. sparc64) */
67 const char **fpu_register_names;
68 size_t fpu_registers_num;
69 const char **cp0_register_names;
70 size_t cp0_registers_num;
73 const struct regset *gregset;
74 size_t sizeof_gregset;
75 const struct regset *fpregset;
76 size_t sizeof_fpregset;
78 /* Offset of saved PC in jmp_buf. */
81 /* Size of an Procedure Linkage Table (PLT) entry, 0 if we shouldn't
82 treat the PLT special when doing prologue analysis. */
83 size_t plt_entry_size;
85 /* Alternative location for trap return. Used for single-stepping. */
86 CORE_ADDR (*step_trap) (struct frame_info *frame, unsigned long insn);
88 /* ISA-specific data types. */
89 struct type *sparc_psr_type;
90 struct type *sparc_fsr_type;
91 struct type *sparc64_ccr_type;
92 struct type *sparc64_pstate_type;
93 struct type *sparc64_fsr_type;
94 struct type *sparc64_fprs_type;
97 /* Register numbers of various important registers. */
101 SPARC_G0_REGNUM = 0, /* %g0 */
108 SPARC_G7_REGNUM, /* %g7 */
109 SPARC_O0_REGNUM, /* %o0 */
115 SPARC_SP_REGNUM, /* %sp (%o6) */
116 SPARC_O7_REGNUM, /* %o7 */
117 SPARC_L0_REGNUM, /* %l0 */
124 SPARC_L7_REGNUM, /* %l7 */
125 SPARC_I0_REGNUM, /* %i0 */
131 SPARC_FP_REGNUM, /* %fp (%i6) */
132 SPARC_I7_REGNUM, /* %i7 */
133 SPARC_F0_REGNUM, /* %f0 */
141 SPARC_F31_REGNUM /* %f31 */
142 = SPARC_F0_REGNUM + 31
147 SPARC32_Y_REGNUM /* %y */
148 = SPARC_F31_REGNUM + 1,
149 SPARC32_PSR_REGNUM, /* %psr */
150 SPARC32_WIM_REGNUM, /* %wim */
151 SPARC32_TBR_REGNUM, /* %tbr */
152 SPARC32_PC_REGNUM, /* %pc */
153 SPARC32_NPC_REGNUM, /* %npc */
154 SPARC32_FSR_REGNUM, /* %fsr */
155 SPARC32_CSR_REGNUM, /* %csr */
158 /* Pseudo registers. */
159 enum sparc32_pseudo_regnum
161 SPARC32_D0_REGNUM = 0, /* %d0 */
162 SPARC32_D30_REGNUM /* %d30 */
163 = SPARC32_D0_REGNUM + 15
167 struct sparc_frame_cache
173 /* Do we have a frame? */
176 /* The offset from the base register to the CFA. */
179 /* Mask of `local' and `in' registers saved in the register save area. */
180 unsigned short int saved_regs_mask;
182 /* Mask of `out' registers copied or renamed to their `in' sibling. */
183 unsigned char copied_regs_mask;
185 /* Do we have a Structure, Union or Quad-Precision return value? */
188 /* Table of saved registers. */
189 struct trad_frame_saved_reg *saved_regs;
192 /* Fetch the instruction at PC. */
193 extern unsigned long sparc_fetch_instruction (CORE_ADDR pc);
195 /* Fetch StackGhost Per-Process XOR cookie. */
196 extern ULONGEST sparc_fetch_wcookie (struct gdbarch *gdbarch);
198 /* Record the effect of a SAVE instruction on CACHE. */
199 extern void sparc_record_save_insn (struct sparc_frame_cache *cache);
201 /* Do a full analysis of the prologue at PC and update CACHE accordingly. */
202 extern CORE_ADDR sparc_analyze_prologue (struct gdbarch *gdbarch,
203 CORE_ADDR pc, CORE_ADDR current_pc,
204 struct sparc_frame_cache *cache);
206 extern struct sparc_frame_cache *
207 sparc_frame_cache (struct frame_info *this_frame, void **this_cache);
209 extern struct sparc_frame_cache *
210 sparc32_frame_cache (struct frame_info *this_frame, void **this_cache);
213 sparc_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc);
217 extern void sparc_supply_rwindow (struct regcache *regcache,
218 CORE_ADDR sp, int regnum);
219 extern void sparc_collect_rwindow (const struct regcache *regcache,
220 CORE_ADDR sp, int regnum);
222 /* Register offsets for SunOS 4. */
223 extern const struct sparc_gregmap sparc32_sunos4_gregmap;
224 extern const struct sparc_fpregmap sparc32_sunos4_fpregmap;
225 extern const struct sparc_fpregmap sparc32_bsd_fpregmap;
227 extern void sparc32_supply_gregset (const struct sparc_gregmap *gregmap,
228 struct regcache *regcache,
229 int regnum, const void *gregs);
230 extern void sparc32_collect_gregset (const struct sparc_gregmap *gregmap,
231 const struct regcache *regcache,
232 int regnum, void *gregs);
233 extern void sparc32_supply_fpregset (const struct sparc_fpregmap *fpregmap,
234 struct regcache *regcache,
235 int regnum, const void *fpregs);
236 extern void sparc32_collect_fpregset (const struct sparc_fpregmap *fpregmap,
237 const struct regcache *regcache,
238 int regnum, void *fpregs);
240 extern int sparc_is_annulled_branch_insn (CORE_ADDR pc);
242 /* Functions and variables exported from sparc-sol2-tdep.c. */
244 /* Register offsets for Solaris 2. */
245 extern const struct sparc_gregmap sparc32_sol2_gregmap;
246 extern const struct sparc_fpregmap sparc32_sol2_fpregmap;
248 extern int sparc_sol2_pc_in_sigtramp (CORE_ADDR pc, const char *name);
250 extern const char *sparc_sol2_static_transform_name (const char *name);
252 extern void sparc32_sol2_init_abi (struct gdbarch_info info,
253 struct gdbarch *gdbarch);
255 /* Functions and variables exported from sparcnbsd-tdep.c. */
257 /* Register offsets for NetBSD. */
258 extern const struct sparc_gregmap sparc32nbsd_gregmap;
260 /* Return the address of a system call's alternative return
262 extern CORE_ADDR sparcnbsd_step_trap (struct frame_info *frame,
265 extern void sparc32nbsd_init_abi (struct gdbarch_info info,
266 struct gdbarch *gdbarch);
268 extern struct trad_frame_saved_reg *
269 sparc32nbsd_sigcontext_saved_regs (struct frame_info *next_frame);
271 #endif /* sparc-tdep.h */