mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
111 lines
3.0 KiB
C
111 lines
3.0 KiB
C
/* Low level Alpha GNU/Linux interface, for GDB when running native.
|
|
Copyright (C) 2005-2022 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/>. */
|
|
|
|
#include "defs.h"
|
|
#include "target.h"
|
|
#include "regcache.h"
|
|
#include "linux-nat-trad.h"
|
|
|
|
#include "alpha-tdep.h"
|
|
#include "gdbarch.h"
|
|
|
|
#include "nat/gdb_ptrace.h"
|
|
#include <alpha/ptrace.h>
|
|
|
|
#include <sys/procfs.h>
|
|
#include "gregset.h"
|
|
|
|
/* The address of UNIQUE for ptrace. */
|
|
#define ALPHA_UNIQUE_PTRACE_ADDR 65
|
|
|
|
class alpha_linux_nat_target final : public linux_nat_trad_target
|
|
{
|
|
protected:
|
|
/* Override linux_nat_trad_target methods. */
|
|
CORE_ADDR register_u_offset (struct gdbarch *gdbarch,
|
|
int regno, int store_p) override;
|
|
};
|
|
|
|
static alpha_linux_nat_target the_alpha_linux_nat_target;
|
|
|
|
/* See the comment in m68k-tdep.c regarding the utility of these
|
|
functions. */
|
|
|
|
void
|
|
supply_gregset (struct regcache *regcache, const gdb_gregset_t *gregsetp)
|
|
{
|
|
const long *regp = (const long *)gregsetp;
|
|
|
|
/* PC is in slot 32, UNIQUE is in slot 33. */
|
|
alpha_supply_int_regs (regcache, -1, regp, regp + 31, regp + 32);
|
|
}
|
|
|
|
void
|
|
fill_gregset (const struct regcache *regcache,
|
|
gdb_gregset_t *gregsetp, int regno)
|
|
{
|
|
long *regp = (long *)gregsetp;
|
|
|
|
/* PC is in slot 32, UNIQUE is in slot 33. */
|
|
alpha_fill_int_regs (regcache, regno, regp, regp + 31, regp + 32);
|
|
}
|
|
|
|
/* Now we do the same thing for floating-point registers.
|
|
Again, see the comments in m68k-tdep.c. */
|
|
|
|
void
|
|
supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregsetp)
|
|
{
|
|
const long *regp = (const long *)fpregsetp;
|
|
|
|
/* FPCR is in slot 32. */
|
|
alpha_supply_fp_regs (regcache, -1, regp, regp + 31);
|
|
}
|
|
|
|
void
|
|
fill_fpregset (const struct regcache *regcache,
|
|
gdb_fpregset_t *fpregsetp, int regno)
|
|
{
|
|
long *regp = (long *)fpregsetp;
|
|
|
|
/* FPCR is in slot 32. */
|
|
alpha_fill_fp_regs (regcache, regno, regp, regp + 31);
|
|
}
|
|
|
|
CORE_ADDR
|
|
alpha_linux_nat_target::register_u_offset (struct gdbarch *gdbarch,
|
|
int regno, int store_p)
|
|
{
|
|
if (regno == gdbarch_pc_regnum (gdbarch))
|
|
return PC;
|
|
if (regno == ALPHA_UNIQUE_REGNUM)
|
|
return ALPHA_UNIQUE_PTRACE_ADDR;
|
|
if (regno < gdbarch_fp0_regnum (gdbarch))
|
|
return GPR_BASE + regno;
|
|
else
|
|
return FPR_BASE + regno - gdbarch_fp0_regnum (gdbarch);
|
|
}
|
|
|
|
void _initialize_alpha_linux_nat ();
|
|
void
|
|
_initialize_alpha_linux_nat ()
|
|
{
|
|
linux_target = &the_alpha_linux_nat_target;
|
|
add_inf_child_target (&the_alpha_linux_nat_target);
|
|
}
|