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sparc-tdep.h
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1/* Target-dependent code for SPARC.
2
3 Copyright (C) 2003-2023 Free Software Foundation, Inc.
4
5 This file is part of GDB.
6
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.
11
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.
16
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/>. */
19
20#ifndef SPARC_TDEP_H
21#define SPARC_TDEP_H 1
22
23#include "gdbarch.h"
24
25#define SPARC_CORE_REGISTERS \
26 "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", \
27 "o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7", \
28 "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7", \
29 "i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7"
30
31class frame_info_ptr;
32struct gdbarch;
33struct regcache;
34struct regset;
36
37/* Register offsets for the general-purpose register set. */
38
51
57
58/* SPARC architecture-specific information. */
59
61{
62 /* Register numbers for the PN and nPC registers. The definitions
63 for (64-bit) UltraSPARC differ from the (32-bit) SPARC
64 definitions. */
65 int pc_regnum = 0;
66 int npc_regnum = 0;
67
68 /* Register names specific for architecture (sparc32 vs. sparc64) */
69 const char * const *fpu_register_names = nullptr;
71 const char * const *cp0_register_names = nullptr;
73
74 /* Register sets. */
75 const struct regset *gregset = nullptr;
76 size_t sizeof_gregset = 0;
77 const struct regset *fpregset = nullptr;
78 size_t sizeof_fpregset = 0;
79
80 /* Offset of saved PC in jmp_buf. */
81 int jb_pc_offset = 0;
82
83 /* Size of an Procedure Linkage Table (PLT) entry, 0 if we shouldn't
84 treat the PLT special when doing prologue analysis. */
85 size_t plt_entry_size = 0;
86
87 /* Alternative location for trap return. Used for single-stepping. */
88 CORE_ADDR (*step_trap) (frame_info_ptr frame, unsigned long insn)
89 = nullptr;
90
91 /* ISA-specific data types. */
92 struct type *sparc_psr_type = nullptr;
93 struct type *sparc_fsr_type = nullptr;
94 struct type *sparc64_ccr_type = nullptr;
95 struct type *sparc64_pstate_type = nullptr;
96 struct type *sparc64_fsr_type = nullptr;
97 struct type *sparc64_fprs_type = nullptr;
98};
99
100/* Register numbers of various important registers. */
101
147
160
161/* Pseudo registers. */
163{
164 SPARC32_D0_REGNUM = 0, /* %d0 */
165 SPARC32_D30_REGNUM /* %d30 */
166 = SPARC32_D0_REGNUM + 15
168
169
171{
172 /* Base address. */
173 CORE_ADDR base;
174 CORE_ADDR pc;
175
176 /* Do we have a frame? */
178
179 /* The offset from the base register to the CFA. */
181
182 /* Mask of `local' and `in' registers saved in the register save area. */
183 unsigned short int saved_regs_mask;
184
185 /* Mask of `out' registers copied or renamed to their `in' sibling. */
186 unsigned char copied_regs_mask;
187
188 /* Do we have a Structure, Union or Quad-Precision return value? */
190
191 /* Table of saved registers. */
193};
194
195/* Fetch the instruction at PC. */
196extern unsigned long sparc_fetch_instruction (CORE_ADDR pc);
197
198/* Fetch StackGhost Per-Process XOR cookie. */
199extern ULONGEST sparc_fetch_wcookie (struct gdbarch *gdbarch);
200
201/* Record the effect of a SAVE instruction on CACHE. */
202extern void sparc_record_save_insn (struct sparc_frame_cache *cache);
203
204/* Do a full analysis of the prologue at PC and update CACHE accordingly. */
205extern CORE_ADDR sparc_analyze_prologue (struct gdbarch *gdbarch,
206 CORE_ADDR pc, CORE_ADDR current_pc,
207 struct sparc_frame_cache *cache);
208
209extern struct sparc_frame_cache *
210 sparc_frame_cache (frame_info_ptr this_frame, void **this_cache);
211
212extern struct sparc_frame_cache *
213 sparc32_frame_cache (frame_info_ptr this_frame, void **this_cache);
214
215extern int
216 sparc_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc);
217
218
219
220extern void sparc_supply_rwindow (struct regcache *regcache,
221 CORE_ADDR sp, int regnum);
222extern void sparc_collect_rwindow (const struct regcache *regcache,
223 CORE_ADDR sp, int regnum);
224
225/* Register offsets for SunOS 4. */
226extern const struct sparc_gregmap sparc32_sunos4_gregmap;
227extern const struct sparc_fpregmap sparc32_sunos4_fpregmap;
228extern const struct sparc_fpregmap sparc32_bsd_fpregmap;
229
230extern void sparc32_supply_gregset (const struct sparc_gregmap *gregmap,
231 struct regcache *regcache,
232 int regnum, const void *gregs);
233extern void sparc32_collect_gregset (const struct sparc_gregmap *gregmap,
234 const struct regcache *regcache,
235 int regnum, void *gregs);
236extern void sparc32_supply_fpregset (const struct sparc_fpregmap *fpregmap,
237 struct regcache *regcache,
238 int regnum, const void *fpregs);
239extern void sparc32_collect_fpregset (const struct sparc_fpregmap *fpregmap,
240 const struct regcache *regcache,
241 int regnum, void *fpregs);
242
243extern int sparc_is_annulled_branch_insn (CORE_ADDR pc);
244
245/* Functions and variables exported from sparc-sol2-tdep.c. */
246
247/* Register offsets for Solaris 2. */
248extern const struct sparc_gregmap sparc32_sol2_gregmap;
249extern const struct sparc_fpregmap sparc32_sol2_fpregmap;
250
251/* Functions and variables exported from sparc-netbsd-tdep.c. */
252
253/* Register offsets for NetBSD. */
254extern const struct sparc_gregmap sparc32nbsd_gregmap;
255
256/* Return the address of a system call's alternative return
257 address. */
258extern CORE_ADDR sparcnbsd_step_trap (frame_info_ptr frame,
259 unsigned long insn);
260
261extern void sparc32nbsd_init_abi (struct gdbarch_info info,
262 struct gdbarch *gdbarch);
263
264extern struct trad_frame_saved_reg *
266
267#endif /* sparc-tdep.h */
int regnum
void sparc_supply_rwindow(struct regcache *regcache, CORE_ADDR sp, int regnum)
CORE_ADDR sparcnbsd_step_trap(frame_info_ptr frame, unsigned long insn)
struct sparc_frame_cache * sparc_frame_cache(frame_info_ptr this_frame, void **this_cache)
struct trad_frame_saved_reg * sparc32nbsd_sigcontext_saved_regs(frame_info_ptr next_frame)
void sparc_record_save_insn(struct sparc_frame_cache *cache)
Definition sparc-tdep.c:960
sparc32_pseudo_regnum
Definition sparc-tdep.h:163
@ SPARC32_D0_REGNUM
Definition sparc-tdep.h:164
@ SPARC32_D30_REGNUM
Definition sparc-tdep.h:165
CORE_ADDR sparc_analyze_prologue(struct gdbarch *gdbarch, CORE_ADDR pc, CORE_ADDR current_pc, struct sparc_frame_cache *cache)
Definition sparc-tdep.c:983
void sparc32nbsd_init_abi(struct gdbarch_info info, struct gdbarch *gdbarch)
sparc32_regnum
Definition sparc-tdep.h:149
@ SPARC32_CSR_REGNUM
Definition sparc-tdep.h:158
@ SPARC32_NPC_REGNUM
Definition sparc-tdep.h:156
@ SPARC32_WIM_REGNUM
Definition sparc-tdep.h:153
@ SPARC32_TBR_REGNUM
Definition sparc-tdep.h:154
@ SPARC32_FSR_REGNUM
Definition sparc-tdep.h:157
@ SPARC32_PSR_REGNUM
Definition sparc-tdep.h:152
@ SPARC32_PC_REGNUM
Definition sparc-tdep.h:155
@ SPARC32_Y_REGNUM
Definition sparc-tdep.h:150
int sparc_stack_frame_destroyed_p(struct gdbarch *gdbarch, CORE_ADDR pc)
Definition sparc-tdep.c:554
void sparc_collect_rwindow(const struct regcache *regcache, CORE_ADDR sp, int regnum)
ULONGEST sparc_fetch_wcookie(struct gdbarch *gdbarch)
Definition sparc-tdep.c:185
int sparc_is_annulled_branch_insn(CORE_ADDR pc)
Definition sparc-tdep.c:126
void sparc32_supply_gregset(const struct sparc_gregmap *gregmap, struct regcache *regcache, int regnum, const void *gregs)
unsigned long sparc_fetch_instruction(CORE_ADDR pc)
Definition sparc-tdep.c:94
sparc_regnum
Definition sparc-tdep.h:103
@ SPARC_G6_REGNUM
Definition sparc-tdep.h:110
@ SPARC_G5_REGNUM
Definition sparc-tdep.h:109
@ SPARC_FP_REGNUM
Definition sparc-tdep.h:134
@ SPARC_G4_REGNUM
Definition sparc-tdep.h:108
@ SPARC_O2_REGNUM
Definition sparc-tdep.h:114
@ SPARC_O0_REGNUM
Definition sparc-tdep.h:112
@ SPARC_O4_REGNUM
Definition sparc-tdep.h:116
@ SPARC_F4_REGNUM
Definition sparc-tdep.h:140
@ SPARC_G3_REGNUM
Definition sparc-tdep.h:107
@ SPARC_F7_REGNUM
Definition sparc-tdep.h:143
@ SPARC_F3_REGNUM
Definition sparc-tdep.h:139
@ SPARC_I1_REGNUM
Definition sparc-tdep.h:129
@ SPARC_G0_REGNUM
Definition sparc-tdep.h:104
@ SPARC_G1_REGNUM
Definition sparc-tdep.h:105
@ SPARC_L0_REGNUM
Definition sparc-tdep.h:120
@ SPARC_I0_REGNUM
Definition sparc-tdep.h:128
@ SPARC_L1_REGNUM
Definition sparc-tdep.h:121
@ SPARC_G7_REGNUM
Definition sparc-tdep.h:111
@ SPARC_I3_REGNUM
Definition sparc-tdep.h:131
@ SPARC_L4_REGNUM
Definition sparc-tdep.h:124
@ SPARC_G2_REGNUM
Definition sparc-tdep.h:106
@ SPARC_I4_REGNUM
Definition sparc-tdep.h:132
@ SPARC_L5_REGNUM
Definition sparc-tdep.h:125
@ SPARC_F0_REGNUM
Definition sparc-tdep.h:136
@ SPARC_L7_REGNUM
Definition sparc-tdep.h:127
@ SPARC_L2_REGNUM
Definition sparc-tdep.h:122
@ SPARC_F6_REGNUM
Definition sparc-tdep.h:142
@ SPARC_O3_REGNUM
Definition sparc-tdep.h:115
@ SPARC_I7_REGNUM
Definition sparc-tdep.h:135
@ SPARC_I2_REGNUM
Definition sparc-tdep.h:130
@ SPARC_L6_REGNUM
Definition sparc-tdep.h:126
@ SPARC_O5_REGNUM
Definition sparc-tdep.h:117
@ SPARC_L3_REGNUM
Definition sparc-tdep.h:123
@ SPARC_F1_REGNUM
Definition sparc-tdep.h:137
@ SPARC_F5_REGNUM
Definition sparc-tdep.h:141
@ SPARC_F31_REGNUM
Definition sparc-tdep.h:144
@ SPARC_I5_REGNUM
Definition sparc-tdep.h:133
@ SPARC_O1_REGNUM
Definition sparc-tdep.h:113
@ SPARC_O7_REGNUM
Definition sparc-tdep.h:119
@ SPARC_SP_REGNUM
Definition sparc-tdep.h:118
@ SPARC_F2_REGNUM
Definition sparc-tdep.h:138
const struct sparc_fpregmap sparc32_sunos4_fpregmap
const struct sparc_gregmap sparc32_sunos4_gregmap
const struct sparc_gregmap sparc32_sol2_gregmap
const struct sparc_fpregmap sparc32_bsd_fpregmap
void sparc32_supply_fpregset(const struct sparc_fpregmap *fpregmap, struct regcache *regcache, int regnum, const void *fpregs)
const struct sparc_fpregmap sparc32_sol2_fpregmap
struct sparc_frame_cache * sparc32_frame_cache(frame_info_ptr this_frame, void **this_cache)
void sparc32_collect_fpregset(const struct sparc_fpregmap *fpregmap, const struct regcache *regcache, int regnum, void *fpregs)
void sparc32_collect_gregset(const struct sparc_gregmap *gregmap, const struct regcache *regcache, int regnum, void *gregs)
const struct sparc_gregmap sparc32nbsd_gregmap
struct trad_frame_saved_reg * saved_regs
Definition sparc-tdep.h:192
unsigned char copied_regs_mask
Definition sparc-tdep.h:186
unsigned short int saved_regs_mask
Definition sparc-tdep.h:183
struct type * sparc_fsr_type
Definition sparc-tdep.h:93
size_t fpu_registers_num
Definition sparc-tdep.h:70
struct type * sparc64_fprs_type
Definition sparc-tdep.h:97
const char *const * fpu_register_names
Definition sparc-tdep.h:69
CORE_ADDR(* step_trap)(frame_info_ptr frame, unsigned long insn)
Definition sparc-tdep.h:88
const struct regset * fpregset
Definition sparc-tdep.h:77
size_t cp0_registers_num
Definition sparc-tdep.h:72
struct type * sparc_psr_type
Definition sparc-tdep.h:92
const char *const * cp0_register_names
Definition sparc-tdep.h:71
struct type * sparc64_pstate_type
Definition sparc-tdep.h:95
const struct regset * gregset
Definition sparc-tdep.h:75
struct type * sparc64_ccr_type
Definition sparc-tdep.h:94
struct type * sparc64_fsr_type
Definition sparc-tdep.h:96