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mips-linux-tdep.h
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1/* Target-dependent code for GNU/Linux on MIPS processors.
2
3 Copyright (C) 2006-2023 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 MIPS_LINUX_TDEP_H
21#define MIPS_LINUX_TDEP_H
22
23/* Copied from <asm/elf.h>. */
24#define ELF_NGREG 45
25#define ELF_NFPREG 33
26
27typedef unsigned char mips_elf_greg_t[4];
29
30typedef unsigned char mips_elf_fpreg_t[8];
32
33/* 0 - 31 are integer registers, 32 - 63 are fp registers. */
34#define FPR_BASE 32
35#define PC 64
36#define CAUSE 65
37#define BADVADDR 66
38#define MMHI 67
39#define MMLO 68
40#define FPC_CSR 69
41#define FPC_EIR 70
42#define DSP_BASE 71
43#define DSP_CONTROL 77
44
45#define EF_REG0 6
46#define EF_REG31 37
47#define EF_LO 38
48#define EF_HI 39
49#define EF_CP0_EPC 40
50#define EF_CP0_BADVADDR 41
51#define EF_CP0_STATUS 42
52#define EF_CP0_CAUSE 43
53
54#define EF_SIZE 180
55
56void mips_supply_gregset (struct regcache *, const mips_elf_gregset_t *);
57void mips_fill_gregset (const struct regcache *, mips_elf_gregset_t *, int);
58
59/* 64-bit support. */
60
61/* Copied from <asm/elf.h>. */
62#define MIPS64_ELF_NGREG 45
63#define MIPS64_ELF_NFPREG 33
64
65typedef unsigned char mips64_elf_greg_t[8];
67
68typedef unsigned char mips64_elf_fpreg_t[8];
70
71/* 0 - 31 are integer registers, 32 - 63 are fp registers. */
72#define MIPS64_FPR_BASE 32
73#define MIPS64_PC 64
74#define MIPS64_CAUSE 65
75#define MIPS64_BADVADDR 66
76#define MIPS64_MMHI 67
77#define MIPS64_MMLO 68
78#define MIPS64_FPC_CSR 69
79#define MIPS64_FPC_EIR 70
80
81#define MIPS64_EF_REG0 0
82#define MIPS64_EF_REG31 31
83#define MIPS64_EF_LO 32
84#define MIPS64_EF_HI 33
85#define MIPS64_EF_CP0_EPC 34
86#define MIPS64_EF_CP0_BADVADDR 35
87#define MIPS64_EF_CP0_STATUS 36
88#define MIPS64_EF_CP0_CAUSE 37
89
90#define MIPS64_EF_SIZE 304
91
93void mips64_fill_gregset (const struct regcache *,
95void mips64_supply_fpregset (struct regcache *,
96 const mips64_elf_fpregset_t *);
97void mips64_fill_fpregset (const struct regcache *,
99
100enum {
101 /* The Linux kernel stores an error code from any interrupted
102 syscall in a "register" (in $0's save slot). */
105
106/* Return 1 if MIPS_RESTART_REGNUM is usable. */
107
109
110/* Target descriptions. */
111extern const struct target_desc *tdesc_mips_linux;
112extern const struct target_desc *tdesc_mips64_linux;
113extern const struct target_desc *tdesc_mips_dsp_linux;
114extern const struct target_desc *tdesc_mips64_dsp_linux;
115
116#endif /* MIPS_LINUX_TDEP_H */
mips64_elf_greg_t mips64_elf_gregset_t[MIPS64_ELF_NGREG]
#define ELF_NFPREG
unsigned char mips_elf_greg_t[4]
int mips_linux_restart_reg_p(struct gdbarch *gdbarch)
unsigned char mips_elf_fpreg_t[8]
void mips64_fill_fpregset(const struct regcache *, mips64_elf_fpregset_t *, int)
const struct target_desc * tdesc_mips_linux
Definition mips-linux.c:8
unsigned char mips64_elf_fpreg_t[8]
void mips64_fill_gregset(const struct regcache *, mips64_elf_gregset_t *, int)
#define MIPS64_ELF_NFPREG
const struct target_desc * tdesc_mips_dsp_linux
mips_elf_greg_t mips_elf_gregset_t[ELF_NGREG]
#define MIPS64_ELF_NGREG
void mips_supply_gregset(struct regcache *, const mips_elf_gregset_t *)
void mips64_supply_gregset(struct regcache *, const mips64_elf_gregset_t *)
const struct target_desc * tdesc_mips64_linux
Definition mips64-linux.c:8
const struct target_desc * tdesc_mips64_dsp_linux
unsigned char mips64_elf_greg_t[8]
void mips64_supply_fpregset(struct regcache *, const mips64_elf_fpregset_t *)
void mips_fill_gregset(const struct regcache *, mips_elf_gregset_t *, int)
@ MIPS_RESTART_REGNUM
mips64_elf_fpreg_t mips64_elf_fpregset_t[MIPS64_ELF_NFPREG]
mips_elf_fpreg_t mips_elf_fpregset_t[ELF_NFPREG]
#define ELF_NGREG