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/tmp/gdb-8.1/gdb/mips-linux-tdep.h
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1 /* Target-dependent code for GNU/Linux on MIPS processors.
2
3 Copyright (C) 2006-2018 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 /* Copied from <asm/elf.h>. */
21 #define ELF_NGREG 45
22 #define ELF_NFPREG 33
23
24 typedef unsigned char mips_elf_greg_t[4];
25 typedef mips_elf_greg_t mips_elf_gregset_t[ELF_NGREG];
26
27 typedef unsigned char mips_elf_fpreg_t[8];
28 typedef mips_elf_fpreg_t mips_elf_fpregset_t[ELF_NFPREG];
29
30 /* 0 - 31 are integer registers, 32 - 63 are fp registers. */
31 #define FPR_BASE 32
32 #define PC 64
33 #define CAUSE 65
34 #define BADVADDR 66
35 #define MMHI 67
36 #define MMLO 68
37 #define FPC_CSR 69
38 #define FPC_EIR 70
39 #define DSP_BASE 71
40 #define DSP_CONTROL 77
41
42 #define EF_REG0 6
43 #define EF_REG31 37
44 #define EF_LO 38
45 #define EF_HI 39
46 #define EF_CP0_EPC 40
47 #define EF_CP0_BADVADDR 41
48 #define EF_CP0_STATUS 42
49 #define EF_CP0_CAUSE 43
50
51 #define EF_SIZE 180
52
53 void mips_supply_gregset (struct regcache *, const mips_elf_gregset_t *);
54 void mips_fill_gregset (const struct regcache *, mips_elf_gregset_t *, int);
55 void mips_supply_fpregset (struct regcache *, const mips_elf_fpregset_t *);
56 void mips_fill_fpregset (const struct regcache *, mips_elf_fpregset_t *, int);
57
58 /* 64-bit support. */
59
60 /* Copied from <asm/elf.h>. */
61 #define MIPS64_ELF_NGREG 45
62 #define MIPS64_ELF_NFPREG 33
63
64 typedef unsigned char mips64_elf_greg_t[8];
65 typedef mips64_elf_greg_t mips64_elf_gregset_t[MIPS64_ELF_NGREG];
66
67 typedef unsigned char mips64_elf_fpreg_t[8];
68 typedef mips64_elf_fpreg_t mips64_elf_fpregset_t[MIPS64_ELF_NFPREG];
69
70 /* 0 - 31 are integer registers, 32 - 63 are fp registers. */
71 #define MIPS64_FPR_BASE 32
72 #define MIPS64_PC 64
73 #define MIPS64_CAUSE 65
74 #define MIPS64_BADVADDR 66
75 #define MIPS64_MMHI 67
76 #define MIPS64_MMLO 68
77 #define MIPS64_FPC_CSR 69
78 #define MIPS64_FPC_EIR 70
79
80 #define MIPS64_EF_REG0 0
81 #define MIPS64_EF_REG31 31
82 #define MIPS64_EF_LO 32
83 #define MIPS64_EF_HI 33
84 #define MIPS64_EF_CP0_EPC 34
85 #define MIPS64_EF_CP0_BADVADDR 35
86 #define MIPS64_EF_CP0_STATUS 36
87 #define MIPS64_EF_CP0_CAUSE 37
88
89 #define MIPS64_EF_SIZE 304
90
91 void mips64_supply_gregset (struct regcache *, const mips64_elf_gregset_t *);
92 void mips64_fill_gregset (const struct regcache *,
93 mips64_elf_gregset_t *, int);
94 void mips64_supply_fpregset (struct regcache *,
95 const mips64_elf_fpregset_t *);
96 void mips64_fill_fpregset (const struct regcache *,
97 mips64_elf_fpregset_t *, int);
98
99 enum {
100 /* The Linux kernel stores an error code from any interrupted
101 syscall in a "register" (in $0's save slot). */
102 MIPS_RESTART_REGNUM = 79
103 };
104
105 /* Return 1 if MIPS_RESTART_REGNUM is usable. */
106
107 int mips_linux_restart_reg_p (struct gdbarch *gdbarch);
108
109 /* Target descriptions. */
110 extern struct target_desc *tdesc_mips_linux;
111 extern struct target_desc *tdesc_mips64_linux;
112 extern struct target_desc *tdesc_mips_dsp_linux;
113 extern struct target_desc *tdesc_mips64_dsp_linux;
gdbarch
Definition: gdbarch.c:127
MIPS64_ELF_NGREG
#define MIPS64_ELF_NGREG
Definition: mips-linux-tdep.h:61
mips_fill_fpregset
void mips_fill_fpregset(const struct regcache *, mips_elf_fpregset_t *, int)
Definition: mips-linux-tdep.c:273
MIPS64_ELF_NFPREG
#define MIPS64_ELF_NFPREG
Definition: mips-linux-tdep.h:62
mips_supply_gregset
void mips_supply_gregset(struct regcache *, const mips_elf_gregset_t *)
Definition: mips-linux-tdep.c:130
ELF_NGREG
#define ELF_NGREG
Definition: mips-linux-tdep.h:21
mips64_fill_gregset
void mips64_fill_gregset(const struct regcache *, mips64_elf_gregset_t *, int)
Definition: mips-linux-tdep.c:415
mips_elf_greg_t
unsigned char mips_elf_greg_t[4]
Definition: mips-linux-tdep.h:24
mips64_supply_fpregset
void mips64_supply_fpregset(struct regcache *, const mips64_elf_fpregset_t *)
Definition: mips-linux-tdep.c:479
tdesc_mips_dsp_linux
struct target_desc * tdesc_mips_dsp_linux
Definition: mips-dsp-linux.c:8
mips64_supply_gregset
void mips64_supply_gregset(struct regcache *, const mips64_elf_gregset_t *)
Definition: mips-linux-tdep.c:369
mips64_elf_gregset_t
mips64_elf_greg_t mips64_elf_gregset_t[MIPS64_ELF_NGREG]
Definition: mips-linux-tdep.h:65
tdesc_mips_linux
struct target_desc * tdesc_mips_linux
Definition: mips-linux.c:8
MIPS_RESTART_REGNUM
Definition: mips-linux-tdep.h:102
mips64_fill_fpregset
void mips64_fill_fpregset(const struct regcache *, mips64_elf_fpregset_t *, int)
Definition: mips-linux-tdep.c:529
ELF_NFPREG
#define ELF_NFPREG
Definition: mips-linux-tdep.h:22
mips64_elf_greg_t
unsigned char mips64_elf_greg_t[8]
Definition: mips-linux-tdep.h:64
mips_elf_fpreg_t
unsigned char mips_elf_fpreg_t[8]
Definition: mips-linux-tdep.h:27
target_desc
Definition: target-descriptions.c:591
mips_elf_fpregset_t
mips_elf_fpreg_t mips_elf_fpregset_t[ELF_NFPREG]
Definition: mips-linux-tdep.h:28
mips64_elf_fpreg_t
unsigned char mips64_elf_fpreg_t[8]
Definition: mips-linux-tdep.h:67
mips_fill_gregset
void mips_fill_gregset(const struct regcache *, mips_elf_gregset_t *, int)
Definition: mips-linux-tdep.c:171
mips_linux_restart_reg_p
int mips_linux_restart_reg_p(struct gdbarch *gdbarch)
Definition: mips-linux-tdep.c:1366
regcache
Definition: regcache.h:232
tdesc_mips64_linux
struct target_desc * tdesc_mips64_linux
Definition: mips64-linux.c:8
mips_supply_fpregset
void mips_supply_fpregset(struct regcache *, const mips_elf_fpregset_t *)
Definition: mips-linux-tdep.c:239
mips_elf_gregset_t
mips_elf_greg_t mips_elf_gregset_t[ELF_NGREG]
Definition: mips-linux-tdep.h:25
mips64_elf_fpregset_t
mips64_elf_fpreg_t mips64_elf_fpregset_t[MIPS64_ELF_NFPREG]
Definition: mips-linux-tdep.h:68
tdesc_mips64_dsp_linux
struct target_desc * tdesc_mips64_dsp_linux
Definition: mips64-dsp-linux.c:8