| /* Target-dependent code for GNU/Linux on MIPS processors. |
| |
| Copyright 2006, 2007, 2008 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); |