b02f9d5732
and "regcache.h". (alpha_linux_supply_gregset, alpha_linux_supply_fpregset): New. (alpha_linux_gregset, alpha_linux_fpregset): New variables. (alpha_linux_regset_from_core_section): New function. (alpha_linux_init_abi): Install it. * alpha-linux-nat.c: Do not include "gdbcore.h". Include "alpha-tdep.h", <sys/ptrace.h>, <alpha/ptrace.h>, <sys/procfs.h>, and "gregset.h". (ALPHA_REGSET_BASE, ALPHA_REGSET_UNIQUE, ALPHA_UNIQUE_PTRACE_ADDR): Move from config/alpha/nm-linux.h. (supply_gregset, fill_gregset, supply_fpregset, fill_fpregset): Copy from alpha-nat.c. (alpha_linux_register_u_offset): Inline register_addr from alpha-nat.c. * alpha-nat.c: Remove #ifdef __linux__ section. (fetch_elf_core_registers, alpha_elf_core_fns): Remove. (_initialize_core_alpha): Do not register alpha_elf_core_fns. (ALPHA_UNIQUE_PTRACE_ADDR, ALPHA_REGSET_UNIQUE): Define unconditionally. (ALPHA_REGSET_BASE): Move from config/alpha/nm-osf.h. * config/alpha/alpha-linux.mh (NAT_FILE): Set to config/nm-linux.h. (NATDEPFILES): Remove alpha-nat.o. * config/alpha/nm-linux.h: Delete file. * config/alpha/nm-osf.h (ALPHA_REGSET_BASE): Move to alpha-nat.c. * Makefile.in (alpha-linux-nat.o): Update dependencies. (alpha-linux-tdep.o): Likewise.
111 lines
2.8 KiB
C
111 lines
2.8 KiB
C
/* Low level Alpha GNU/Linux interface, for GDB when running native.
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Copyright (C) 2005, 2006, 2007 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 2 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, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#include "defs.h"
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#include "target.h"
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#include "linux-nat.h"
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#include "alpha-tdep.h"
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#include <sys/ptrace.h>
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#include <alpha/ptrace.h>
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#include <sys/procfs.h>
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#include "gregset.h"
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/* Given a pointer to either a gregset_t or fpregset_t, return a
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pointer to the first register. */
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#define ALPHA_REGSET_BASE(regsetp) ((long *) (regsetp))
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/* Given a pointer to a gregset_t, locate the UNIQUE value. */
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#define ALPHA_REGSET_UNIQUE(regsetp) ((long *)(regsetp) + 32)
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/* The address of UNIQUE for ptrace. */
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#define ALPHA_UNIQUE_PTRACE_ADDR 65
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/*
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* See the comment in m68k-tdep.c regarding the utility of these functions.
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*/
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void
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supply_gregset (gdb_gregset_t *gregsetp)
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{
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long *regp = ALPHA_REGSET_BASE (gregsetp);
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void *unique = ALPHA_REGSET_UNIQUE (gregsetp);
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/* PC is in slot 32. */
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alpha_supply_int_regs (-1, regp, regp + 31, unique);
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}
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void
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fill_gregset (gdb_gregset_t *gregsetp, int regno)
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{
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long *regp = ALPHA_REGSET_BASE (gregsetp);
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void *unique = ALPHA_REGSET_UNIQUE (gregsetp);
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/* PC is in slot 32. */
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alpha_fill_int_regs (regno, regp, regp + 31, unique);
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}
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/*
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* Now we do the same thing for floating-point registers.
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* Again, see the comments in m68k-tdep.c.
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*/
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void
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supply_fpregset (gdb_fpregset_t *fpregsetp)
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{
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long *regp = ALPHA_REGSET_BASE (fpregsetp);
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/* FPCR is in slot 32. */
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alpha_supply_fp_regs (-1, regp, regp + 31);
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}
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void
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fill_fpregset (gdb_fpregset_t *fpregsetp, int regno)
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{
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long *regp = ALPHA_REGSET_BASE (fpregsetp);
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/* FPCR is in slot 32. */
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alpha_fill_fp_regs (regno, regp, regp + 31);
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}
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static CORE_ADDR
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alpha_linux_register_u_offset (int regno)
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{
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if (regno == PC_REGNUM)
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return PC;
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if (regno == ALPHA_UNIQUE_REGNUM)
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return ALPHA_UNIQUE_PTRACE_ADDR;
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if (regno < FP0_REGNUM)
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return GPR_BASE + regno;
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else
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return FPR_BASE + regno - FP0_REGNUM;
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}
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void _initialialize_alpha_linux_nat (void);
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void
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_initialize_alpha_linux_nat (void)
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{
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linux_nat_add_target (linux_trad_target (alpha_linux_register_u_offset));
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}
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