1 /* Target-dependent code for SPARC.
3 Copyright (C) 2003-2017 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_pstate_type
;
92 struct type
*sparc64_fsr_type
;
93 struct type
*sparc64_fprs_type
;
96 /* Register numbers of various important registers. */
100 SPARC_G0_REGNUM
= 0, /* %g0 */
107 SPARC_G7_REGNUM
, /* %g7 */
108 SPARC_O0_REGNUM
, /* %o0 */
114 SPARC_SP_REGNUM
, /* %sp (%o6) */
115 SPARC_O7_REGNUM
, /* %o7 */
116 SPARC_L0_REGNUM
, /* %l0 */
123 SPARC_L7_REGNUM
, /* %l7 */
124 SPARC_I0_REGNUM
, /* %i0 */
130 SPARC_FP_REGNUM
, /* %fp (%i6) */
131 SPARC_I7_REGNUM
, /* %i7 */
132 SPARC_F0_REGNUM
, /* %f0 */
140 SPARC_F31_REGNUM
/* %f31 */
141 = SPARC_F0_REGNUM
+ 31
146 SPARC32_Y_REGNUM
/* %y */
147 = SPARC_F31_REGNUM
+ 1,
148 SPARC32_PSR_REGNUM
, /* %psr */
149 SPARC32_WIM_REGNUM
, /* %wim */
150 SPARC32_TBR_REGNUM
, /* %tbr */
151 SPARC32_PC_REGNUM
, /* %pc */
152 SPARC32_NPC_REGNUM
, /* %npc */
153 SPARC32_FSR_REGNUM
, /* %fsr */
154 SPARC32_CSR_REGNUM
, /* %csr */
157 /* Pseudo registers. */
158 enum sparc32_pseudo_regnum
160 SPARC32_D0_REGNUM
= 0, /* %d0 */
161 SPARC32_D30_REGNUM
/* %d30 */
162 = SPARC32_D0_REGNUM
+ 15
166 struct sparc_frame_cache
172 /* Do we have a frame? */
175 /* The offset from the base register to the CFA. */
178 /* Mask of `local' and `in' registers saved in the register save area. */
179 unsigned short int saved_regs_mask
;
181 /* Mask of `out' registers copied or renamed to their `in' sibling. */
182 unsigned char copied_regs_mask
;
184 /* Do we have a Structure, Union or Quad-Precision return value? */
187 /* Table of saved registers. */
188 struct trad_frame_saved_reg
*saved_regs
;
191 /* Fetch the instruction at PC. */
192 extern unsigned long sparc_fetch_instruction (CORE_ADDR pc
);
194 /* Fetch StackGhost Per-Process XOR cookie. */
195 extern ULONGEST
sparc_fetch_wcookie (struct gdbarch
*gdbarch
);
197 /* Record the effect of a SAVE instruction on CACHE. */
198 extern void sparc_record_save_insn (struct sparc_frame_cache
*cache
);
200 /* Do a full analysis of the prologue at PC and update CACHE accordingly. */
201 extern CORE_ADDR
sparc_analyze_prologue (struct gdbarch
*gdbarch
,
202 CORE_ADDR pc
, CORE_ADDR current_pc
,
203 struct sparc_frame_cache
*cache
);
205 extern struct sparc_frame_cache
*
206 sparc_frame_cache (struct frame_info
*this_frame
, void **this_cache
);
208 extern struct sparc_frame_cache
*
209 sparc32_frame_cache (struct frame_info
*this_frame
, void **this_cache
);
212 sparc_stack_frame_destroyed_p (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
216 extern void sparc_supply_rwindow (struct regcache
*regcache
,
217 CORE_ADDR sp
, int regnum
);
218 extern void sparc_collect_rwindow (const struct regcache
*regcache
,
219 CORE_ADDR sp
, int regnum
);
221 /* Register offsets for SunOS 4. */
222 extern const struct sparc_gregmap sparc32_sunos4_gregmap
;
223 extern const struct sparc_fpregmap sparc32_sunos4_fpregmap
;
224 extern const struct sparc_fpregmap sparc32_bsd_fpregmap
;
226 extern void sparc32_supply_gregset (const struct sparc_gregmap
*gregmap
,
227 struct regcache
*regcache
,
228 int regnum
, const void *gregs
);
229 extern void sparc32_collect_gregset (const struct sparc_gregmap
*gregmap
,
230 const struct regcache
*regcache
,
231 int regnum
, void *gregs
);
232 extern void sparc32_supply_fpregset (const struct sparc_fpregmap
*fpregmap
,
233 struct regcache
*regcache
,
234 int regnum
, const void *fpregs
);
235 extern void sparc32_collect_fpregset (const struct sparc_fpregmap
*fpregmap
,
236 const struct regcache
*regcache
,
237 int regnum
, void *fpregs
);
239 extern int sparc_is_annulled_branch_insn (CORE_ADDR pc
);
241 /* Functions and variables exported from sparc-sol2-tdep.c. */
243 /* Register offsets for Solaris 2. */
244 extern const struct sparc_gregmap sparc32_sol2_gregmap
;
245 extern const struct sparc_fpregmap sparc32_sol2_fpregmap
;
247 extern int sparc_sol2_pc_in_sigtramp (CORE_ADDR pc
, const char *name
);
249 extern const char *sparc_sol2_static_transform_name (const char *name
);
251 extern void sparc32_sol2_init_abi (struct gdbarch_info info
,
252 struct gdbarch
*gdbarch
);
254 /* Functions and variables exported from sparcnbsd-tdep.c. */
256 /* Register offsets for NetBSD. */
257 extern const struct sparc_gregmap sparc32nbsd_gregmap
;
259 /* Return the address of a system call's alternative return
261 extern CORE_ADDR
sparcnbsd_step_trap (struct frame_info
*frame
,
264 extern void sparc32nbsd_init_abi (struct gdbarch_info info
,
265 struct gdbarch
*gdbarch
);
267 extern struct trad_frame_saved_reg
*
268 sparc32nbsd_sigcontext_saved_regs (struct frame_info
*next_frame
);
270 #endif /* sparc-tdep.h */