0963b4bd45
* ada-lang.c: Comment cleanup, mostly periods and spaces. * ada-lang.h: Ditto. * ada-tasks.c: Ditto. * ada-valprint.c: Ditto. * aix-threads.c: Ditto. * alpha-linux-nat.c: Ditto. * alpha-linux-tdep.c: Ditto. * alpha-mdebug-tdep.c: Ditto. * alpha-nat.c: Ditto. * alpha-osf1-tdep.c: Ditto. * alpha-tdep.c: Ditto. * alphabsd-nat.c: Ditto. * alphabsd-tdep.c: Ditto. * amd64-darwin-tdep.c: Ditto. * amd64-linux-nat.c: Ditto. * amd64-linux-tdep.c: Ditto. * amd64-sol2-tdep.c: Ditto. * amd64-tdep.c: Ditto. * amd64-fbsd-tdep.c: Ditto. * amd64-nbsd-tdep.c: Ditto. * amd64-obsd-tdep.c: Ditto. * amd64-linux-nat.c: Ditto. * amd64-linux-tdep.c: Ditto. * arm-tdep.c: Ditto. * arm-tdep.h: Ditto. * armnbsd-nat.c: Ditto. * avr-tdep.c: Ditto. * bfin-tdep.c: Ditto. * bsd-kvm.c: Ditto. * c-typeprintc: Ditto. * c-valprint.c: Ditto. * coff-pe-read.h: Ditto. * coffreead.c: Ditto. * cris-tdep.c: Ditto. * d-lang.c: Ditto. * darwin-nat-info.c: Ditto. * darwin-nat.c: Ditto. * dbug-rom.c: Ditto. * dbxread.c: Ditto. * dcache.c: Ditto. * dcache.h: Ditto. * dec-thread.c: Ditto. * defs.h: Ditto. * demangle.c: Ditto. * dicos-tdep.c: Ditto. * dictionary.c: Ditto. * dictionary.h: Ditto. * dink32-rom.c: Ditto. * disasm.c: Ditto. * doublest.c: Ditto. * dsrec.c: Ditto. * dummy-frame.c: Ditto. * dwarf2-frame.c: Ditto. * dwarf2expr.c: Ditto. * dwarf2loc.c: Ditto. * dwarf2read.c: Ditto. * elfread.c: Ditto. * environ.c: Ditto. * eval.c: Ditto. * event-top.h: Ditto. * exceptions.c: Ditto. * exceptions.h: Ditto. * exec.c: Ditto. * expprint.c: Ditto. * expression.h: Ditto. * f-exp.y: Ditto. * f-lang.c: Ditto. * f-lang.h: Ditto. * f-typeprint.c: Ditto. * f-valprint.c: Ditto. * fbsd-nat.c: Ditto. * findvar.c: Ditto. * fork-child.c: Ditto. * frame.c: Ditto. * frame.h: Ditto. * frv-linux-tdep.c: Ditto. * frv-tdep.c: Ditto. * gcore.c: Ditto. * gdb-stabs.h: Ditto. * gdb_assert.h: Ditto. * gdb_string.h: Ditto. * gdb_thread_db.h: Ditto. * gdb_wait.h: Ditto. * gdbarch.sh: Ditto. * gdbcore.h: Ditto. * gdbthread.h: Ditto. * gdbtypes.c: Ditto. * gdbtypes.h: Ditto. * gnu-nat.c: Ditto. * gnu-nat.h: Ditto. * gnu-v2-abi.c: Ditto. * gnu-v3-abi.c: Ditto. * go32-nat.c: Ditto. * gdbarch.c: Regenerate. * gdbarch.h: Regenerate.
102 lines
2.7 KiB
C
102 lines
2.7 KiB
C
/* Low level Alpha GNU/Linux interface, for GDB when running native.
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Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011
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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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#include "defs.h"
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#include "target.h"
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#include "regcache.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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/* The address of UNIQUE for ptrace. */
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#define ALPHA_UNIQUE_PTRACE_ADDR 65
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/* See the comment in m68k-tdep.c regarding the utility of these
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functions. */
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void
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supply_gregset (struct regcache *regcache, const gdb_gregset_t *gregsetp)
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{
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const long *regp = (const long *)gregsetp;
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/* PC is in slot 32, UNIQUE is in slot 33. */
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alpha_supply_int_regs (regcache, -1, regp, regp + 31, regp + 32);
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}
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void
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fill_gregset (const struct regcache *regcache,
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gdb_gregset_t *gregsetp, int regno)
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{
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long *regp = (long *)gregsetp;
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/* PC is in slot 32, UNIQUE is in slot 33. */
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alpha_fill_int_regs (regcache, regno, regp, regp + 31, regp + 32);
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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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void
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supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregsetp)
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{
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const long *regp = (const long *)fpregsetp;
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/* FPCR is in slot 32. */
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alpha_supply_fp_regs (regcache, -1, regp, regp + 31);
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}
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void
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fill_fpregset (const struct regcache *regcache,
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gdb_fpregset_t *fpregsetp, int regno)
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{
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long *regp = (long *)fpregsetp;
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/* FPCR is in slot 32. */
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alpha_fill_fp_regs (regcache, regno, regp, regp + 31);
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}
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static CORE_ADDR
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alpha_linux_register_u_offset (struct gdbarch *gdbarch, int regno, int store_p)
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{
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if (regno == gdbarch_pc_regnum (gdbarch))
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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 < gdbarch_fp0_regnum (gdbarch))
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return GPR_BASE + regno;
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else
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return FPR_BASE + regno - gdbarch_fp0_regnum (gdbarch);
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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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