Commit | Line | Data |
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386c036b | 1 | /* Target-dependent code for SPARC. |
c139e7d9 | 2 | |
0b302171 | 3 | Copyright (C) 2003-2004, 2006-2012 Free Software Foundation, Inc. |
c139e7d9 DJ |
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 | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c139e7d9 DJ |
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 | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c139e7d9 | 19 | |
386c036b MK |
20 | #ifndef SPARC_TDEP_H |
21 | #define SPARC_TDEP_H 1 | |
22 | ||
566626fa | 23 | struct frame_info; |
386c036b MK |
24 | struct gdbarch; |
25 | struct regcache; | |
a54124c5 | 26 | struct regset; |
386c036b MK |
27 | struct trad_frame_saved_reg; |
28 | ||
29 | /* Register offsets for the general-purpose register set. */ | |
30 | ||
31 | struct sparc_gregset | |
32 | { | |
33 | int r_psr_offset; | |
34 | int r_pc_offset; | |
35 | int r_npc_offset; | |
36 | int r_y_offset; | |
37 | int r_wim_offset; | |
38 | int r_tbr_offset; | |
39 | int r_g1_offset; | |
40 | int r_l0_offset; | |
41 | int r_y_size; | |
42 | }; | |
43 | ||
44 | /* SPARC architecture-specific information. */ | |
45 | ||
46 | struct gdbarch_tdep | |
47 | { | |
48 | /* Register numbers for the PN and nPC registers. The definitions | |
49 | for (64-bit) UltraSPARC differ from the (32-bit) SPARC | |
50 | definitions. */ | |
51 | int pc_regnum; | |
52 | int npc_regnum; | |
53 | ||
a54124c5 MK |
54 | /* Register sets. */ |
55 | struct regset *gregset; | |
56 | size_t sizeof_gregset; | |
57 | struct regset *fpregset; | |
58 | size_t sizeof_fpregset; | |
59 | ||
386c036b MK |
60 | /* Offset of saved PC in jmp_buf. */ |
61 | int jb_pc_offset; | |
62 | ||
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; | |
c893be75 MK |
66 | |
67 | /* Alternative location for trap return. Used for single-stepping. */ | |
0b1b3e42 | 68 | CORE_ADDR (*step_trap) (struct frame_info *frame, unsigned long insn); |
209bd28e UW |
69 | |
70 | /* ISA-specific data types. */ | |
71 | struct type *sparc_psr_type; | |
72 | struct type *sparc_fsr_type; | |
73 | struct type *sparc64_pstate_type; | |
74 | struct type *sparc64_fsr_type; | |
75 | struct type *sparc64_fprs_type; | |
386c036b MK |
76 | }; |
77 | ||
78 | /* Register numbers of various important registers. */ | |
79 | ||
80 | enum sparc_regnum | |
81 | { | |
82 | SPARC_G0_REGNUM, /* %g0 */ | |
83 | SPARC_G1_REGNUM, | |
84 | SPARC_G2_REGNUM, | |
85 | SPARC_G3_REGNUM, | |
86 | SPARC_G4_REGNUM, | |
87 | SPARC_G5_REGNUM, | |
88 | SPARC_G6_REGNUM, | |
89 | SPARC_G7_REGNUM, /* %g7 */ | |
90 | SPARC_O0_REGNUM, /* %o0 */ | |
91 | SPARC_O1_REGNUM, | |
92 | SPARC_O2_REGNUM, | |
93 | SPARC_O3_REGNUM, | |
94 | SPARC_O4_REGNUM, | |
95 | SPARC_O5_REGNUM, | |
96 | SPARC_SP_REGNUM, /* %sp (%o6) */ | |
97 | SPARC_O7_REGNUM, /* %o7 */ | |
98 | SPARC_L0_REGNUM, /* %l0 */ | |
99 | SPARC_L1_REGNUM, | |
100 | SPARC_L2_REGNUM, | |
101 | SPARC_L3_REGNUM, | |
102 | SPARC_L4_REGNUM, | |
103 | SPARC_L5_REGNUM, | |
104 | SPARC_L6_REGNUM, | |
105 | SPARC_L7_REGNUM, /* %l7 */ | |
106 | SPARC_I0_REGNUM, /* %i0 */ | |
107 | SPARC_I1_REGNUM, | |
108 | SPARC_I2_REGNUM, | |
109 | SPARC_I3_REGNUM, | |
110 | SPARC_I4_REGNUM, | |
111 | SPARC_I5_REGNUM, | |
112 | SPARC_FP_REGNUM, /* %fp (%i6) */ | |
113 | SPARC_I7_REGNUM, /* %i7 */ | |
114 | SPARC_F0_REGNUM, /* %f0 */ | |
115 | SPARC_F1_REGNUM, | |
fe10a582 DM |
116 | SPARC_F2_REGNUM, |
117 | SPARC_F3_REGNUM, | |
118 | SPARC_F4_REGNUM, | |
119 | SPARC_F5_REGNUM, | |
120 | SPARC_F6_REGNUM, | |
121 | SPARC_F7_REGNUM, | |
386c036b MK |
122 | SPARC_F31_REGNUM /* %f31 */ |
123 | = SPARC_F0_REGNUM + 31 | |
124 | }; | |
125 | ||
126 | enum sparc32_regnum | |
127 | { | |
128 | SPARC32_Y_REGNUM /* %y */ | |
129 | = SPARC_F31_REGNUM + 1, | |
130 | SPARC32_PSR_REGNUM, /* %psr */ | |
131 | SPARC32_WIM_REGNUM, /* %wim */ | |
132 | SPARC32_TBR_REGNUM, /* %tbr */ | |
133 | SPARC32_PC_REGNUM, /* %pc */ | |
134 | SPARC32_NPC_REGNUM, /* %npc */ | |
135 | SPARC32_FSR_REGNUM, /* %fsr */ | |
136 | SPARC32_CSR_REGNUM, /* %csr */ | |
137 | ||
138 | /* Pseudo registers. */ | |
139 | SPARC32_D0_REGNUM, /* %d0 */ | |
140 | SPARC32_D30_REGNUM /* %d30 */ | |
141 | = SPARC32_D0_REGNUM + 15 | |
142 | }; | |
143 | \f | |
144 | ||
145 | struct sparc_frame_cache | |
146 | { | |
147 | /* Base address. */ | |
148 | CORE_ADDR base; | |
149 | CORE_ADDR pc; | |
150 | ||
151 | /* Do we have a frame? */ | |
152 | int frameless_p; | |
153 | ||
369c397b JB |
154 | /* The offset from the base register to the CFA. */ |
155 | int frame_offset; | |
156 | ||
157 | /* Mask of `local' and `in' registers saved in the register save area. */ | |
158 | unsigned short int saved_regs_mask; | |
159 | ||
160 | /* Mask of `out' registers copied or renamed to their `in' sibling. */ | |
161 | unsigned char copied_regs_mask; | |
162 | ||
c378eb4e | 163 | /* Do we have a Structure, Union or Quad-Precision return value? */ |
386c036b MK |
164 | int struct_return_p; |
165 | ||
166 | /* Table of saved registers. */ | |
167 | struct trad_frame_saved_reg *saved_regs; | |
168 | }; | |
169 | ||
170 | /* Fetch the instruction at PC. */ | |
171 | extern unsigned long sparc_fetch_instruction (CORE_ADDR pc); | |
172 | ||
1c800673 | 173 | /* Fetch StackGhost Per-Process XOR cookie. */ |
e17a4113 | 174 | extern ULONGEST sparc_fetch_wcookie (struct gdbarch *gdbarch); |
1c800673 | 175 | |
369c397b JB |
176 | /* Record the effect of a SAVE instruction on CACHE. */ |
177 | extern void sparc_record_save_insn (struct sparc_frame_cache *cache); | |
178 | ||
179 | /* Do a full analysis of the prologue at PC and update CACHE accordingly. */ | |
be8626e0 MD |
180 | extern CORE_ADDR sparc_analyze_prologue (struct gdbarch *gdbarch, |
181 | CORE_ADDR pc, CORE_ADDR current_pc, | |
386c036b MK |
182 | struct sparc_frame_cache *cache); |
183 | ||
184 | extern struct sparc_frame_cache * | |
236369e7 | 185 | sparc_frame_cache (struct frame_info *this_frame, void **this_cache); |
386c036b MK |
186 | |
187 | extern struct sparc_frame_cache * | |
236369e7 | 188 | sparc32_frame_cache (struct frame_info *this_frame, void **this_cache); |
386c036b MK |
189 | |
190 | \f | |
191 | ||
0b1b3e42 | 192 | extern int sparc_software_single_step (struct frame_info *frame); |
386c036b MK |
193 | |
194 | extern void sparc_supply_rwindow (struct regcache *regcache, | |
195 | CORE_ADDR sp, int regnum); | |
196 | extern void sparc_collect_rwindow (const struct regcache *regcache, | |
197 | CORE_ADDR sp, int regnum); | |
198 | ||
199 | /* Register offsets for SunOS 4. */ | |
200 | extern const struct sparc_gregset sparc32_sunos4_gregset; | |
201 | ||
202 | extern void sparc32_supply_gregset (const struct sparc_gregset *gregset, | |
203 | struct regcache *regcache, | |
204 | int regnum, const void *gregs); | |
205 | extern void sparc32_collect_gregset (const struct sparc_gregset *gregset, | |
206 | const struct regcache *regcache, | |
207 | int regnum, void *gregs); | |
208 | extern void sparc32_supply_fpregset (struct regcache *regcache, | |
209 | int regnum, const void *fpregs); | |
210 | extern void sparc32_collect_fpregset (const struct regcache *regcache, | |
211 | int regnum, void *fpregs); | |
212 | ||
213 | /* Functions and variables exported from sparc-sol2-tdep.c. */ | |
214 | ||
215 | /* Register offsets for Solaris 2. */ | |
216 | extern const struct sparc_gregset sparc32_sol2_gregset; | |
217 | ||
2c02bd72 | 218 | extern int sparc_sol2_pc_in_sigtramp (CORE_ADDR pc, const char *name); |
386c036b | 219 | |
0d5cff50 | 220 | extern const char *sparc_sol2_static_transform_name (const char *name); |
149ad273 | 221 | |
386c036b MK |
222 | extern void sparc32_sol2_init_abi (struct gdbarch_info info, |
223 | struct gdbarch *gdbarch); | |
224 | ||
225 | /* Functions and variables exported from sparcnbsd-tdep.c. */ | |
226 | ||
227 | /* Register offsets for NetBSD. */ | |
228 | extern const struct sparc_gregset sparc32nbsd_gregset; | |
229 | ||
c893be75 MK |
230 | /* Return the address of a system call's alternative return |
231 | address. */ | |
0b1b3e42 UW |
232 | extern CORE_ADDR sparcnbsd_step_trap (struct frame_info *frame, |
233 | unsigned long insn); | |
c893be75 | 234 | |
19671c2b MK |
235 | extern void sparc32nbsd_elf_init_abi (struct gdbarch_info info, |
236 | struct gdbarch *gdbarch); | |
237 | ||
566626fa MK |
238 | extern struct trad_frame_saved_reg * |
239 | sparc32nbsd_sigcontext_saved_regs (struct frame_info *next_frame); | |
240 | ||
386c036b | 241 | #endif /* sparc-tdep.h */ |