binutils-gdb/gdb/alpha-linux-nat.c
Ulrich Weigand 7f7fe91e15 * gregset.h (struct regcache): Add forward declaration.
(supply_gregset): Add REGCACHE parameter, make GREGS const.
	(supply_fpregset): Add REGCACHE parameter, make FPREGS const.
	(supply_fpxregset): Add REGCACHE parameter, make FPXREGS const.
	(fill_gregset): Add REGCACHE parameter.
	(fill_fpregset): Likewise.
	(fill_fpxregset): Likewise.

	Update all definitions accordingly:
	* alphabsd-nat.c, alpha-linux-nat.c, alpha-nat.c, amd64-linux-nat.c,
	arm-linux-nat.c, hppa-linux-nat.c, i386gnu-nat.c, i386-linux-nat.c,
	i386-sol2-nat.c, i386v4-nat.c, ia64-linux-nat.c, irix5-nat.c,
	m32r-linux-nat.c, m68klinux-nat.c, mips-linux-nat.c, ppc-linux-nat.c,
	s390-nat.c, sparc64-linux-nat.c, sparc-linux-nat.c, sparc-sol2-nat.c
	(supply_gregset): Add REGCACHE parameter, use it instead of
	current_regcache.  Make GREGSETP parameter const, adapt casts.
	(supply_fpregset): Add REGCACHE parameter, use it instead of
	current_regcache.  Make FPREGSETP parameter const, adapt casts.
	(fill_gregset): Add REGCACHE parameter, use it instead of
	current_regcache.
	(fill_fpregset): Likewise.

	Update all callers to pass in current_regcache as the new argument:
	* core-regset.c: Include "regcache.h".
	(fetch_core_registers): Update supply_gregset,and supply_fpregset calls.
	* procfs.c: Include "regcache.h".
	(procfs_fetch_registers): Update supply_gregset, supply_fpregset calls.
	(procfs_store_registers): Update fill_gregset, fill_fpregset calls.
	(procfs_do_thread_registers): Likewise.
	(procfs_make_note_section): Likewise.
	* proc-service.c: Include "regcache.h".
	(ps_lgetregs): Update fill_gregset call.
	(ps_lsetregs): Update supply_gregset call.
	(ps_lgetfpregs): Update fill_fpregset call.
	(ps_lsetfpregs): Update supply_fpregset call.
	* sol-thread.c (sol_thread_fetch_registers): Update supply_gregset,
	supply_fpregset calls.
	(sol_thread_store_registers): Update fill_gregset, fill_fpregset calls.
	(ps_lgetregs): Update fill_gregset call.
	(ps_lsetregs): Update supply_gregset call.
	(ps_lgetfpregs): Update fill_fpregset call.
	(ps_lsetfpregs): Update supply_fpregset call.

	* linux-nat.c (linux_nat_do_thread_registers): Update fill_gregset,
	fill_fpregset, and fill_fpxregset calls.
	* i386-linux-nat.c (fetch_regs): Update supply_gregset call.
	(store_regs): Update fill_gregset call.
	(fetch_fpregs): Update supply_fpregset call.
	(store_fpregs): Update fill_fpregset call.
	(fetch_fpxregs): Update supply_fpxregset call.
	(store_fpxregs): Update fill_fpxregset call.
	* m32r-linux-nat.c (fetch_regs): Update supply_gregset call.
	(store_regs): Update fill_gregset call.
	* m68klinux-nat.c (fetch_regs): Update supply_gregset call.
	(store_regs): Update fill_gregset call.
	(fetch_fpregs): Update supply_fpregset call.
	(store_fpregs): Update fill_fpregset call.
	(fetch_core_registers): Update supply_gregset, supply_fpregset calls.
	* s390-nat.c (fetch_regs): Update supply_gregset call.
	(store_regs): Update fill_gregset call.
	(fetch_fpregs): Update supply_fpregset call.
	(store_fpregs): Update fill_fpregset call.

	* Makefile.in (core-regset.o, procfs.o, proc-service.o): Update
	dependencies.
2007-05-06 14:32:31 +00:00

106 lines
2.7 KiB
C

/* Low level Alpha GNU/Linux interface, for GDB when running native.
Copyright (C) 2005, 2006, 2007 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 2 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "target.h"
#include "regcache.h"
#include "linux-nat.h"
#include "alpha-tdep.h"
#include <sys/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
/*
* 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);
}
static CORE_ADDR
alpha_linux_register_u_offset (int regno)
{
if (regno == PC_REGNUM)
return PC;
if (regno == ALPHA_UNIQUE_REGNUM)
return ALPHA_UNIQUE_PTRACE_ADDR;
if (regno < FP0_REGNUM)
return GPR_BASE + regno;
else
return FPR_BASE + regno - FP0_REGNUM;
}
void _initialialize_alpha_linux_nat (void);
void
_initialize_alpha_linux_nat (void)
{
linux_nat_add_target (linux_trad_target (alpha_linux_register_u_offset));
}