150 lines
5.5 KiB
C
150 lines
5.5 KiB
C
/* Target-dependent code for GNU/Linux on MIPS processors.
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Copyright 2006-2012 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Copied from <asm/elf.h>. */
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#define ELF_NGREG 45
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#define ELF_NFPREG 33
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typedef unsigned char mips_elf_greg_t[4];
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typedef mips_elf_greg_t mips_elf_gregset_t[ELF_NGREG];
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typedef unsigned char mips_elf_fpreg_t[8];
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typedef mips_elf_fpreg_t mips_elf_fpregset_t[ELF_NFPREG];
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/* 0 - 31 are integer registers, 32 - 63 are fp registers. */
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#define FPR_BASE 32
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#define PC 64
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#define CAUSE 65
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#define BADVADDR 66
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#define MMHI 67
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#define MMLO 68
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#define FPC_CSR 69
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#define FPC_EIR 70
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#define DSP_BASE 71
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#define DSP_CONTROL 77
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#define EF_REG0 6
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#define EF_REG31 37
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#define EF_LO 38
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#define EF_HI 39
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#define EF_CP0_EPC 40
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#define EF_CP0_BADVADDR 41
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#define EF_CP0_STATUS 42
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#define EF_CP0_CAUSE 43
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#define EF_SIZE 180
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void mips_supply_gregset (struct regcache *, const mips_elf_gregset_t *);
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void mips_fill_gregset (const struct regcache *, mips_elf_gregset_t *, int);
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void mips_supply_fpregset (struct regcache *, const mips_elf_fpregset_t *);
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void mips_fill_fpregset (const struct regcache *, mips_elf_fpregset_t *, int);
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/* 64-bit support. */
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/* Copied from <asm/elf.h>. */
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#define MIPS64_ELF_NGREG 45
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#define MIPS64_ELF_NFPREG 33
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typedef unsigned char mips64_elf_greg_t[8];
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typedef mips64_elf_greg_t mips64_elf_gregset_t[MIPS64_ELF_NGREG];
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typedef unsigned char mips64_elf_fpreg_t[8];
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typedef mips64_elf_fpreg_t mips64_elf_fpregset_t[MIPS64_ELF_NFPREG];
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/* 0 - 31 are integer registers, 32 - 63 are fp registers. */
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#define MIPS64_FPR_BASE 32
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#define MIPS64_PC 64
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#define MIPS64_CAUSE 65
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#define MIPS64_BADVADDR 66
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#define MIPS64_MMHI 67
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#define MIPS64_MMLO 68
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#define MIPS64_FPC_CSR 69
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#define MIPS64_FPC_EIR 70
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#define MIPS64_EF_REG0 0
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#define MIPS64_EF_REG31 31
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#define MIPS64_EF_LO 32
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#define MIPS64_EF_HI 33
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#define MIPS64_EF_CP0_EPC 34
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#define MIPS64_EF_CP0_BADVADDR 35
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#define MIPS64_EF_CP0_STATUS 36
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#define MIPS64_EF_CP0_CAUSE 37
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#define MIPS64_EF_SIZE 304
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void mips64_supply_gregset (struct regcache *, const mips64_elf_gregset_t *);
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void mips64_fill_gregset (const struct regcache *,
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mips64_elf_gregset_t *, int);
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void mips64_supply_fpregset (struct regcache *,
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const mips64_elf_fpregset_t *);
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void mips64_fill_fpregset (const struct regcache *,
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mips64_elf_fpregset_t *, int);
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enum {
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/* The Linux kernel stores an error code from any interrupted
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syscall in a "register" (in $0's save slot). */
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MIPS_RESTART_REGNUM = 79
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};
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/* Return 1 if MIPS_RESTART_REGNUM is usable. */
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int mips_linux_restart_reg_p (struct gdbarch *gdbarch);
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/* MIPS Signals -- adapted from linux/arch/mips/include/asm/signal.h. */
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enum mips_signals
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{
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MIPS_SIGHUP = 1, /* Hangup (POSIX). */
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MIPS_SIGINT = 2, /* Interrupt (ANSI). */
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MIPS_SIGQUIT = 3, /* Quit (POSIX). */
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MIPS_SIGILL = 4, /* Illegal instruction (ANSI). */
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MIPS_SIGTRAP = 5, /* Trace trap (POSIX). */
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MIPS_SIGIOT = 6, /* IOT trap (4.2 BSD). */
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MIPS_SIGABRT = MIPS_SIGIOT, /* Abort (ANSI). */
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MIPS_SIGEMT = 7,
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MIPS_SIGFPE = 8, /* Floating-point exception (ANSI). */
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MIPS_SIGKILL = 9, /* Kill, unblockable (POSIX). */
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MIPS_SIGBUS = 10, /* BUS error (4.2 BSD). */
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MIPS_SIGSEGV = 11, /* Segmentation violation (ANSI). */
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MIPS_SIGSYS = 12,
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MIPS_SIGPIPE = 13, /* Broken pipe (POSIX). */
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MIPS_SIGALRM = 14, /* Alarm clock (POSIX). */
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MIPS_SIGTERM = 15, /* Termination (ANSI). */
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MIPS_SIGUSR1 = 16, /* User-defined signal 1 (POSIX). */
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MIPS_SIGUSR2 = 17, /* User-defined signal 2 (POSIX). */
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MIPS_SIGCHLD = 18, /* Child status has changed (POSIX). */
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MIPS_SIGCLD = MIPS_SIGCHLD, /* Same as SIGCHLD (System V). */
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MIPS_SIGPWR = 19, /* Power failure restart (System V). */
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MIPS_SIGWINCH = 20, /* Window size change (4.3 BSD, Sun). */
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MIPS_SIGURG = 21, /* Urgent condition on socket (4.2 BSD). */
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MIPS_SIGIO = 22, /* I/O now possible (4.2 BSD). */
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MIPS_SIGPOLL = MIPS_SIGIO, /* Pollable event occurred (System V). */
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MIPS_SIGSTOP = 23, /* Stop, unblockable (POSIX). */
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MIPS_SIGTSTP = 24, /* Keyboard stop (POSIX). */
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MIPS_SIGCONT = 25, /* Continue (POSIX). */
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MIPS_SIGTTIN = 26, /* Background read from tty (POSIX). */
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MIPS_SIGTTOU = 27, /* Background write to tty (POSIX). */
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MIPS_SIGVTALRM = 28, /* Virtual alarm clock (4.2 BSD). */
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MIPS_SIGPROF = 29, /* Profiling alarm clock (4.2 BSD). */
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MIPS_SIGXCPU = 30, /* CPU limit exceeded (4.2 BSD). */
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MIPS_SIGXFSZ = 31, /* File size limit exceeded (4.2 BSD). */
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MIPS_SIGRTMIN = 32, /* Minimum RT signal. */
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MIPS_SIGRTMAX = 128 - 1 /* Maximum RT signal. */
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};
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