1 /* Target-dependent code for GNU/Linux on MIPS processors.
3 Copyright 2006-2013 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/>. */
20 /* Copied from <asm/elf.h>. */
24 typedef unsigned char mips_elf_greg_t[4];
25 typedef mips_elf_greg_t mips_elf_gregset_t[ELF_NGREG];
27 typedef unsigned char mips_elf_fpreg_t[8];
28 typedef mips_elf_fpreg_t mips_elf_fpregset_t[ELF_NFPREG];
30 /* 0 - 31 are integer registers, 32 - 63 are fp registers. */
40 #define DSP_CONTROL 77
47 #define EF_CP0_BADVADDR 41
48 #define EF_CP0_STATUS 42
49 #define EF_CP0_CAUSE 43
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);
60 /* Copied from <asm/elf.h>. */
61 #define MIPS64_ELF_NGREG 45
62 #define MIPS64_ELF_NFPREG 33
64 typedef unsigned char mips64_elf_greg_t[8];
65 typedef mips64_elf_greg_t mips64_elf_gregset_t[MIPS64_ELF_NGREG];
67 typedef unsigned char mips64_elf_fpreg_t[8];
68 typedef mips64_elf_fpreg_t mips64_elf_fpregset_t[MIPS64_ELF_NFPREG];
70 /* 0 - 31 are integer registers, 32 - 63 are fp registers. */
71 #define MIPS64_FPR_BASE 32
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
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
89 #define MIPS64_EF_SIZE 304
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);
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
105 /* Return 1 if MIPS_RESTART_REGNUM is usable. */
107 int mips_linux_restart_reg_p (struct gdbarch *gdbarch);
109 /* MIPS Signals -- adapted from linux/arch/mips/include/asm/signal.h. */
113 MIPS_SIGHUP = 1, /* Hangup (POSIX). */
114 MIPS_SIGINT = 2, /* Interrupt (ANSI). */
115 MIPS_SIGQUIT = 3, /* Quit (POSIX). */
116 MIPS_SIGILL = 4, /* Illegal instruction (ANSI). */
117 MIPS_SIGTRAP = 5, /* Trace trap (POSIX). */
118 MIPS_SIGIOT = 6, /* IOT trap (4.2 BSD). */
119 MIPS_SIGABRT = MIPS_SIGIOT, /* Abort (ANSI). */
121 MIPS_SIGFPE = 8, /* Floating-point exception (ANSI). */
122 MIPS_SIGKILL = 9, /* Kill, unblockable (POSIX). */
123 MIPS_SIGBUS = 10, /* BUS error (4.2 BSD). */
124 MIPS_SIGSEGV = 11, /* Segmentation violation (ANSI). */
126 MIPS_SIGPIPE = 13, /* Broken pipe (POSIX). */
127 MIPS_SIGALRM = 14, /* Alarm clock (POSIX). */
128 MIPS_SIGTERM = 15, /* Termination (ANSI). */
129 MIPS_SIGUSR1 = 16, /* User-defined signal 1 (POSIX). */
130 MIPS_SIGUSR2 = 17, /* User-defined signal 2 (POSIX). */
131 MIPS_SIGCHLD = 18, /* Child status has changed (POSIX). */
132 MIPS_SIGCLD = MIPS_SIGCHLD, /* Same as SIGCHLD (System V). */
133 MIPS_SIGPWR = 19, /* Power failure restart (System V). */
134 MIPS_SIGWINCH = 20, /* Window size change (4.3 BSD, Sun). */
135 MIPS_SIGURG = 21, /* Urgent condition on socket (4.2 BSD). */
136 MIPS_SIGIO = 22, /* I/O now possible (4.2 BSD). */
137 MIPS_SIGPOLL = MIPS_SIGIO, /* Pollable event occurred (System V). */
138 MIPS_SIGSTOP = 23, /* Stop, unblockable (POSIX). */
139 MIPS_SIGTSTP = 24, /* Keyboard stop (POSIX). */
140 MIPS_SIGCONT = 25, /* Continue (POSIX). */
141 MIPS_SIGTTIN = 26, /* Background read from tty (POSIX). */
142 MIPS_SIGTTOU = 27, /* Background write to tty (POSIX). */
143 MIPS_SIGVTALRM = 28, /* Virtual alarm clock (4.2 BSD). */
144 MIPS_SIGPROF = 29, /* Profiling alarm clock (4.2 BSD). */
145 MIPS_SIGXCPU = 30, /* CPU limit exceeded (4.2 BSD). */
146 MIPS_SIGXFSZ = 31, /* File size limit exceeded (4.2 BSD). */
147 MIPS_SIGRTMIN = 32, /* Minimum RT signal. */
148 MIPS_SIGRTMAX = 128 - 1 /* Maximum RT signal. */