/* Target-dependent code for GNU/Linux on MIPS processors. Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ /* Copied from <asm/elf.h>. */ #define ELF_NGREG 45 #define ELF_NFPREG 33 typedef unsigned char mips_elf_greg_t[4]; typedef mips_elf_greg_t mips_elf_gregset_t[ELF_NGREG]; typedef unsigned char mips_elf_fpreg_t[8]; typedef mips_elf_fpreg_t mips_elf_fpregset_t[ELF_NFPREG]; /* 0 - 31 are integer registers, 32 - 63 are fp registers. */ #define FPR_BASE 32 #define PC 64 #define CAUSE 65 #define BADVADDR 66 #define MMHI 67 #define MMLO 68 #define FPC_CSR 69 #define FPC_EIR 70 #define EF_REG0 6 #define EF_REG31 37 #define EF_LO 38 #define EF_HI 39 #define EF_CP0_EPC 40 #define EF_CP0_BADVADDR 41 #define EF_CP0_STATUS 42 #define EF_CP0_CAUSE 43 #define EF_SIZE 180 void mips_supply_gregset (struct regcache *, const mips_elf_gregset_t *); void mips_fill_gregset (const struct regcache *, mips_elf_gregset_t *, int); void mips_supply_fpregset (struct regcache *, const mips_elf_fpregset_t *); void mips_fill_fpregset (const struct regcache *, mips_elf_fpregset_t *, int); /* 64-bit support. */ /* Copied from <asm/elf.h>. */ #define MIPS64_ELF_NGREG 45 #define MIPS64_ELF_NFPREG 33 typedef unsigned char mips64_elf_greg_t[8]; typedef mips64_elf_greg_t mips64_elf_gregset_t[MIPS64_ELF_NGREG]; typedef unsigned char mips64_elf_fpreg_t[8]; typedef mips64_elf_fpreg_t mips64_elf_fpregset_t[MIPS64_ELF_NFPREG]; /* 0 - 31 are integer registers, 32 - 63 are fp registers. */ #define MIPS64_FPR_BASE 32 #define MIPS64_PC 64 #define MIPS64_CAUSE 65 #define MIPS64_BADVADDR 66 #define MIPS64_MMHI 67 #define MIPS64_MMLO 68 #define MIPS64_FPC_CSR 69 #define MIPS64_FPC_EIR 70 #define MIPS64_EF_REG0 0 #define MIPS64_EF_REG31 31 #define MIPS64_EF_LO 32 #define MIPS64_EF_HI 33 #define MIPS64_EF_CP0_EPC 34 #define MIPS64_EF_CP0_BADVADDR 35 #define MIPS64_EF_CP0_STATUS 36 #define MIPS64_EF_CP0_CAUSE 37 #define MIPS64_EF_SIZE 304 void mips64_supply_gregset (struct regcache *, const mips64_elf_gregset_t *); void mips64_fill_gregset (const struct regcache *, mips64_elf_gregset_t *, int); void mips64_supply_fpregset (struct regcache *, const mips64_elf_fpregset_t *); void mips64_fill_fpregset (const struct regcache *, mips64_elf_fpregset_t *, int); enum { /* The Linux kernel stores an error code from any interrupted syscall in a "register" (in $0's save slot). */ MIPS_RESTART_REGNUM = MIPS_LAST_EMBED_REGNUM + 1 }; /* Return 1 if MIPS_RESTART_REGNUM is usable. */ int mips_linux_restart_reg_p (struct gdbarch *gdbarch);