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Add OpenBSD/powerpc support.

Browse Source 
* NEWS (New native configurations): Mention OpenBSD/powerpc.
* ppc-tdep.h (struct ppc_reg_offsets): New structure.
(ppc_supply_gregset, ppc_supply_fpregset, ppc_collect_gregset)
(ppc_collect_fpregset): New prototypes.
* ppcobsd-nat.c: New file.
* ppcobsd-tdep.c: New file.
* ppcobsd-tdep.h: New file.
* rs6000-tdep.c: Include "regset.h".
(ppc_supply_reg, ppc_collect_reg, ppc_supply_gregset)
(ppc_supply_fpregset, ppc_collect_gregset, ppc_collect_fpregset):
New functions.
* Makefile.in (ALLDEPFILES): Add pccobsd-nat.c and ppcobsd-tdep.c.
(ppcobsd-nat.o, ppcobsd-tdep.o): New dependencies.
(rs6000-tdep.o): Update dependencies.
* configure.host: Add powerpc-*-openbsd.
* configure.tgt: Add powerpc-*-openbsd.
* config/powerpc/obsd.mh: New file.
* config/powerpc/nm-obsd.h: New file.
* config/powerpc/obsd.mt: New file.
This commit is contained in:
Mark Kettenis
2004-04-22 21:13:06 +00:00
parent 5c98409bd6
commit d195bc9fb0
13 changed files with 595 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
gdb/ChangeLog
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@ -1,3 +1,26 @@
2004-04-22 Mark Kettenis <kettenis@gnu.org>
Add OpenBSD/powerpc support.
* NEWS (New native configurations): Mention OpenBSD/powerpc.
* ppc-tdep.h (struct ppc_reg_offsets): New structure.
(ppc_supply_gregset, ppc_supply_fpregset, ppc_collect_gregset)
(ppc_collect_fpregset): New prototypes.
* ppcobsd-nat.c: New file.
* ppcobsd-tdep.c: New file.
* ppcobsd-tdep.h: New file.
* rs6000-tdep.c: Include "regset.h".
(ppc_supply_reg, ppc_collect_reg, ppc_supply_gregset)
(ppc_supply_fpregset, ppc_collect_gregset, ppc_collect_fpregset):
New functions.
* Makefile.in (ALLDEPFILES): Add pccobsd-nat.c and ppcobsd-tdep.c.
(ppcobsd-nat.o, ppcobsd-tdep.o): New dependencies.
(rs6000-tdep.o): Update dependencies.
* configure.host: Add powerpc-*-openbsd.
* configure.tgt: Add powerpc-*-openbsd.
* config/powerpc/obsd.mh: New file.
* config/powerpc/nm-obsd.h: New file.
* config/powerpc/obsd.mt: New file.
2004-04-22 Andrew Cagney <cagney@redhat.com>
* frame.h (show_frame_info): Delete declaration.

16
gdb/Makefile.in
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@ -1352,6 +1352,7 @@ ALLDEPFILES = \
somread.c somsolib.c $(HPREAD_SOURCE) \
ppc-sysv-tdep.c ppc-linux-nat.c ppc-linux-tdep.c \
ppcnbsd-nat.c ppcnbsd-tdep.c \
ppcobsd-nat.c ppcobsd-tdep.c \
procfs.c \
remote-e7000.c \
remote-hms.c remote-m32r-sdi.c remote-mips.c \
@ -2157,6 +2158,11 @@ ppcnbsd-nat.o: ppcnbsd-nat.c $(defs_h) $(inferior_h) $(ppc_tdep_h) \
ppcnbsd-tdep.o: ppcnbsd-tdep.c $(defs_h) $(gdbcore_h) $(regcache_h) \
$(target_h) $(breakpoint_h) $(value_h) $(osabi_h) $(ppc_tdep_h) \
$(ppcnbsd_tdep_h) $(nbsd_tdep_h) $(solib_svr4_h)
ppcobsd-nat.o: ppcobsd-nat.c $(defs_h) $(inferior_h) $(regcache_h) \
$(ppcobsd_tdep_h)
ppcobsd-tdep.o: ppcobsd-tdep.c $(defs_h) $(arch_utils_h) $(osabi_h) \
$(regcache_h) $(regset_h) $(gdb_string_h) $(ppc_tdep_h) \
$(ppcobsd_tdep_h) $(solib_svr4_h)
ppc-sysv-tdep.o: ppc-sysv-tdep.c $(defs_h) $(gdbcore_h) $(inferior_h) \
$(regcache_h) $(value_h) $(gdb_string_h) $(gdb_assert_h) \
$(ppc_tdep_h) $(target_h) $(objfiles_h)
@ -2254,11 +2260,11 @@ rs6000-nat.o: rs6000-nat.c $(defs_h) $(inferior_h) $(target_h) $(gdbcore_h) \
$(ppc_tdep_h) $(exec_h) $(gdb_stat_h)
rs6000-tdep.o: rs6000-tdep.c $(defs_h) $(frame_h) $(inferior_h) $(symtab_h) \
$(target_h) $(gdbcore_h) $(gdbcmd_h) $(objfiles_h) $(arch_utils_h) \
$(regcache_h) $(doublest_h) $(value_h) $(parser_defs_h) $(osabi_h) \
$(libbfd_h) $(coff_internal_h) $(libcoff_h) $(coff_xcoff_h) \
$(libxcoff_h) $(elf_bfd_h) $(solib_svr4_h) $(ppc_tdep_h) \
$(gdb_assert_h) $(dis_asm_h) $(trad_frame_h) $(frame_unwind_h) \
$(frame_base_h)
$(regcache_h) $(regset_g) $(doublest_h) $(value_h) $(parser_defs_h) \
$(osabi_h) $(libbfd_h) $(coff_internal_h) $(libcoff_h) \
$(coff_xcoff_h) $(libxcoff_h) $(elf_bfd_h) $(solib_svr4_h) \
$(ppc_tdep_h) $(gdb_assert_h) $(dis_asm_h) $(trad_frame_h) \
$(frame_unwind_h) $(frame_base_h)
s390-nat.o: s390-nat.c $(defs_h) $(tm_h) $(regcache_h) $(inferior_h) \
$(s390_tdep_h)
s390-tdep.o: s390-tdep.c $(defs_h) $(arch_utils_h) $(frame_h) $(inferior_h) \

1
gdb/NEWS
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@ -5,6 +5,7 @@
* New native configurations
OpenBSD/powerpc powerpc-*-openbsd*
NetBSD/vax vax-*-netbsd*
OpenBSD/vax vax-*-openbsd*

28
gdb/config/powerpc/nm-obsd.h Normal file
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@ -0,0 +1,28 @@
/* Native-dependent definitions for OpenBSD/powerpc.
Copyright 2004 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef NM_OBSD_H
#define NM_OBSD_H
/* Get generic BSD native definitions. */
#include "config/nm-bsd.h"
#endif /* nm-obsd.h */

3
gdb/config/powerpc/obsd.mh Normal file
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@ -0,0 +1,3 @@
# Host: OpenBSD/powerpc
NATDEPFILES= ppcobsd-nat.o fork-child.o infptrace.o inftarg.o
NAT_FILE= nm-obsd.h

4
gdb/config/powerpc/obsd.mt Normal file
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@ -0,0 +1,4 @@
# Target: OpenBSD/powerpc
TDEPFILES= rs6000-tdep.o ppc-sysv-tdep.o ppcobsd-tdep.o \
corelow.o solib.o solib-svr4.o
TM_FILE= tm-nbsd.h

1
gdb/configure.host
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@ -98,6 +98,7 @@ powerpc-*-aix4.3.[0-1]*) gdb_host=aix ;;
powerpc-*-aix*) gdb_host=aix432 ;;
powerpc-*-linux*) gdb_host=linux ;;
powerpc-*-netbsd*) gdb_host=nbsd ;;
powerpc-*-openbsd*) gdb_host=obsd ;;
powerpc64-*-linux*) gdb_host=ppc64-linux ;;

1
gdb/configure.tgt
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@ -134,6 +134,7 @@ mn10300-*-*) gdb_target=mn10300 ;;
ns32k-*-netbsd*) gdb_target=nbsdaout ;;
powerpc-*-netbsd*) gdb_target=nbsd ;;
powerpc-*-openbsd*) gdb_target=obsd ;;
powerpc-*-aix*) gdb_target=aix ;;
powerpc-*-linux*) gdb_target=linux
build_gdbserver=yes

59
gdb/ppc-tdep.h
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@ -74,11 +74,68 @@ enum return_value_convention ppc64_sysv_abi_return_value (struct gdbarch *gdbarc
/* From rs6000-tdep.c... */
int altivec_register_p (int regno);
/* Return non-zero when the architecture has an FPU (or at least when
the ABI is using the FPU). */
int ppc_floating_point_unit_p (struct gdbarch *gdbarch);
/* Register set description. */
struct ppc_reg_offsets
{
/* General-purpose registers. */
int r0_offset;
int pc_offset;
int ps_offset;
int cr_offset;
int lr_offset;
int ctr_offset;
int xer_offset;
int mq_offset;
/* Floating-point registers. */
int f0_offset;
int fpscr_offset;
/* AltiVec registers. */
int vr0_offset;
int vscr_offset;
int vrsave_offset;
};
/* Supply register REGNUM in the general-purpose register set REGSET
from the buffer specified by GREGS and LEN to register cache
REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
extern void ppc_supply_gregset (const struct regset *regset,
struct regcache *regcache,
int regnum, const void *gregs, size_t len);
/* Supply register REGNUM in the floating-point register set REGSET
from the buffer specified by FPREGS and LEN to register cache
REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
extern void ppc_supply_fpregset (const struct regset *regset,
struct regcache *regcache,
int regnum, const void *fpregs, size_t len);
/* Collect register REGNUM in the general-purpose register set
REGSET. from register cache REGCACHE into the buffer specified by
GREGS and LEN. If REGNUM is -1, do this for all registers in
REGSET. */
extern void ppc_collect_gregset (const struct regset *regset,
const struct regcache *regcache,
int regnum, void *gregs, size_t len);
/* Collect register REGNUM in the floating-point register set
REGSET. from register cache REGCACHE into the buffer specified by
FPREGS and LEN. If REGNUM is -1, do this for all registers in
REGSET. */
extern void ppc_collect_fpregset (const struct regset *regset,
const struct regcache *regcache,
int regnum, void *fpregs, size_t len);
/* Private data that this module attaches to struct gdbarch. */
struct gdbarch_tdep

97
gdb/ppcobsd-nat.c Normal file
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@ -0,0 +1,97 @@
/* Native-dependent code for OpenBSD/powerpc.
Copyright 2004 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "inferior.h"
#include "regcache.h"
#include <stddef.h>
#include <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
#include "ppcobsd-tdep.h"
/* OpenBSD/powerpc doesn't have PT_GETFPREGS/PT_SETFPREGS like
NetBSD/powerpc and FreeBSD/powerpc. */
/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
for all registers. */
void
fetch_inferior_registers (int regnum)
{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &regs, 0) == -1)
perror_with_name ("Couldn't get registers");
ppcobsd_supply_gregset (&ppcobsd_gregset, current_regcache, -1,
&regs, sizeof regs);
}
/* Store register REGNUM back into the inferior. If REGNUM is -1, do
this for all registers. */
void
store_inferior_registers (int regnum)
{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &regs, 0) == -1)
perror_with_name ("Couldn't get registers");
ppcobsd_collect_gregset (&ppcobsd_gregset, current_regcache,
regnum, &regs, sizeof regs);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &regs, 0) == -1)
perror_with_name ("Couldn't write registers");
}
/* Provide a prototype to silence -Wmissing-prototypes. */
void _initialize_ppcobsd_nat (void);
void
_initialize_ppcobsd_nat (void)
{
/* General-purpose registers. */
ppcobsd_reg_offsets.r0_offset = offsetof (struct reg, gpr);
ppcobsd_reg_offsets.pc_offset = offsetof (struct reg, pc);
ppcobsd_reg_offsets.ps_offset = offsetof (struct reg, ps);
ppcobsd_reg_offsets.cr_offset = offsetof (struct reg, cnd);
ppcobsd_reg_offsets.lr_offset = offsetof (struct reg, lr);
ppcobsd_reg_offsets.ctr_offset = offsetof (struct reg, cnt);
ppcobsd_reg_offsets.xer_offset = offsetof (struct reg, xer);
ppcobsd_reg_offsets.mq_offset = offsetof (struct reg, mq);
/* Floating-point registers. */
ppcobsd_reg_offsets.f0_offset = offsetof (struct reg, fpr);
ppcobsd_reg_offsets.fpscr_offset = -1;
/* AltiVec registers. */
ppcobsd_reg_offsets.vr0_offset = offsetof (struct vreg, vreg);
ppcobsd_reg_offsets.vscr_offset = offsetof (struct vreg, vscr);
ppcobsd_reg_offsets.vrsave_offset = offsetof (struct vreg, vrsave);
}

153
gdb/ppcobsd-tdep.c Normal file
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@ -0,0 +1,153 @@
/* Target-dependent code for OpenBSD/powerpc.
Copyright 2004 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "arch-utils.h"
#include "osabi.h"
#include "regcache.h"
#include "regset.h"
#include "gdb_string.h"
#include "ppc-tdep.h"
#include "ppcobsd-tdep.h"
#include "solib-svr4.h"
/* Register offsets from <machine/reg.h>. */
struct ppc_reg_offsets ppcobsd_reg_offsets;
/* Core file support. */
/* Supply register REGNUM in the general-purpose register set REGSET
from the buffer specified by GREGS and LEN to register cache
REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
void
ppcobsd_supply_gregset (const struct regset *regset,
struct regcache *regcache, int regnum,
const void *gregs, size_t len)
{
ppc_supply_gregset (regset, regcache, regnum, gregs, len);
ppc_supply_fpregset (regset, regcache, regnum, gregs, len);
}
/* Collect register REGNUM in the general-purpose register set
REGSET. from register cache REGCACHE into the buffer specified by
GREGS and LEN. If REGNUM is -1, do this for all registers in
REGSET. */
void
ppcobsd_collect_gregset (const struct regset *regset,
const struct regcache *regcache, int regnum,
void *gregs, size_t len)
{
ppc_collect_gregset (regset, regcache, regnum, gregs, len);
ppc_collect_fpregset (regset, regcache, regnum, gregs, len);
}
/* OpenBS/powerpc register set. */
struct regset ppcobsd_gregset =
{
&ppcobsd_reg_offsets,
ppcobsd_supply_gregset
};
/* Return the appropriate register set for the core section identified
by SECT_NAME and SECT_SIZE. */
static const struct regset *
ppcobsd_regset_from_core_section (struct gdbarch *gdbarch,
const char *sect_name, size_t sect_size)
{
if (strcmp (sect_name, ".reg") == 0 && sect_size >= 412)
return &ppcobsd_gregset;
return NULL;
}
static void
ppcobsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
/* OpenBSD uses SVR4-style shared libraries. */
set_gdbarch_in_solib_call_trampoline
(gdbarch, generic_in_solib_call_trampoline);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
set_gdbarch_regset_from_core_section
(gdbarch, ppcobsd_regset_from_core_section);
}
/* OpenBSD uses uses the traditional NetBSD core file format, even for
ports that use ELF. */
#define GDB_OSABI_NETBSD_CORE GDB_OSABI_OPENBSD_ELF
static enum gdb_osabi
ppcobsd_core_osabi_sniffer (bfd *abfd)
{
if (strcmp (bfd_get_target (abfd), "netbsd-core") == 0)
return GDB_OSABI_NETBSD_CORE;
return GDB_OSABI_UNKNOWN;
}
/* Provide a prototype to silence -Wmissing-prototypes. */
void _initialize_ppcobsd_tdep (void);
void
_initialize_ppcobsd_tdep (void)
{
/* BFD doesn't set a flavour for NetBSD style a.out core files. */
gdbarch_register_osabi_sniffer (bfd_arch_powerpc, bfd_target_unknown_flavour,
ppcobsd_core_osabi_sniffer);
gdbarch_register_osabi (bfd_arch_powerpc, 0, GDB_OSABI_OPENBSD_ELF,
ppcobsd_init_abi);
/* Avoid initializing the register offsets again if they were
already initailized by ppcobsd-nat.c. */
if (ppcobsd_reg_offsets.pc_offset == 0)
{
/* General-purpose registers. */
ppcobsd_reg_offsets.r0_offset = 0;
ppcobsd_reg_offsets.pc_offset = 384;
ppcobsd_reg_offsets.ps_offset = 388;
ppcobsd_reg_offsets.cr_offset = 392;
ppcobsd_reg_offsets.lr_offset = 396;
ppcobsd_reg_offsets.ctr_offset = 400;
ppcobsd_reg_offsets.xer_offset = 404;
ppcobsd_reg_offsets.mq_offset = 408;
/* Floating-point registers. */
ppcobsd_reg_offsets.f0_offset = 128;
ppcobsd_reg_offsets.fpscr_offset = -1;
/* AltiVec registers. */
ppcobsd_reg_offsets.vr0_offset = 0;
ppcobsd_reg_offsets.vscr_offset = 512;
ppcobsd_reg_offsets.vrsave_offset = 520;
}
}

54
gdb/ppcobsd-tdep.h Normal file
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@ -0,0 +1,54 @@
/* Target-dependent code for OpenBSD/powerpc.
Copyright 2004 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef PPCOBSD_TDEP_H
#define PPCOBSD_TDEP_H
#include <stddef.h>
struct regset;
struct regcache;
/* Register offsets for OpenBSD/powerpc. */
extern struct ppc_reg_offsets ppcobsd_reg_offsets;
/* Register sets for OpenBSD/powerpc. */
extern struct regset ppcobsd_gregset;
/* Supply register REGNUM in the general-purpose register set REGSET
from the buffer specified by GREGS and LEN to register cache
REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
extern void ppcobsd_supply_gregset (const struct regset *regset,
struct regcache *regcache, int regnum,
const void *gregs, size_t len);
/* Collect register REGNUM in the general-purpose register set
REGSET. from register cache REGCACHE into the buffer specified by
GREGS and LEN. If REGNUM is -1, do this for all registers in
REGSET. */
extern void ppcobsd_collect_gregset (const struct regset *regset,
const struct regcache *regcache,
int regnum, void *gregs, size_t len);
#endif /* ppcobsd-tdep.h */

161
gdb/rs6000-tdep.c
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@ -31,6 +31,7 @@
#include "objfiles.h"
#include "arch-utils.h"
#include "regcache.h"
#include "regset.h"
#include "doublest.h"
#include "value.h"
#include "parser-defs.h"
@ -150,6 +151,166 @@ ppc_floating_point_unit_p (struct gdbarch *gdbarch)
return 1;
return 0;
}
/* Register set support functions. */
static void
ppc_supply_reg (struct regcache *regcache, int regnum,
const char *regs, size_t offset)
{
if (regnum != -1 && offset != -1)
regcache_raw_supply (regcache, regnum, regs + offset);
}
static void
ppc_collect_reg (const struct regcache *regcache, int regnum,
char *regs, size_t offset)
{
if (regnum != -1 && offset != -1)
regcache_raw_collect (regcache, regnum, regs + offset);
}
/* Supply register REGNUM in the general-purpose register set REGSET
from the buffer specified by GREGS and LEN to register cache
REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
void
ppc_supply_gregset (const struct regset *regset, struct regcache *regcache,
int regnum, const void *gregs, size_t len)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
const struct ppc_reg_offsets *offsets = regset->descr;
size_t offset;
int i;
for (i = 0, offset = offsets->r0_offset; i < 32; i++, offset += 4)
{
if (regnum == -1 || regnum == i)
ppc_supply_reg (regcache, i, gregs, offset);
}
if (regnum == -1 || regnum == PC_REGNUM)
ppc_supply_reg (regcache, PC_REGNUM, gregs, offsets->pc_offset);
if (regnum == -1 || regnum == tdep->ppc_ps_regnum)
ppc_supply_reg (regcache, tdep->ppc_ps_regnum,
gregs, offsets->ps_offset);
if (regnum == -1 || regnum == tdep->ppc_cr_regnum)
ppc_supply_reg (regcache, tdep->ppc_cr_regnum,
gregs, offsets->cr_offset);
if (regnum == -1 || regnum == tdep->ppc_lr_regnum)
ppc_supply_reg (regcache, tdep->ppc_lr_regnum,
gregs, offsets->lr_offset);
if (regnum == -1 || regnum == tdep->ppc_ctr_regnum)
ppc_supply_reg (regcache, tdep->ppc_ctr_regnum,
gregs, offsets->ctr_offset);
if (regnum == -1 || regnum == tdep->ppc_xer_regnum)
ppc_supply_reg (regcache, tdep->ppc_xer_regnum,
gregs, offsets->cr_offset);
if (regnum == -1 || regnum == tdep->ppc_mq_regnum)
ppc_supply_reg (regcache, tdep->ppc_mq_regnum, gregs, offsets->mq_offset);
}
/* Supply register REGNUM in the floating-point register set REGSET
from the buffer specified by FPREGS and LEN to register cache
REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
void
ppc_supply_fpregset (const struct regset *regset, struct regcache *regcache,
int regnum, const void *fpregs, size_t len)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
const struct ppc_reg_offsets *offsets = regset->descr;
size_t offset;
int i;
offset = offsets->f0_offset;
for (i = FP0_REGNUM; i < FP0_REGNUM + 32; i++, offset += 4)
{
if (regnum == -1 || regnum == i)
ppc_supply_reg (regcache, i, fpregs, offset);
}
if (regnum == -1 || regnum == tdep->ppc_fpscr_regnum)
ppc_supply_reg (regcache, tdep->ppc_fpscr_regnum,
fpregs, offsets->fpscr_offset);
}
/* Collect register REGNUM in the general-purpose register set
REGSET. from register cache REGCACHE into the buffer specified by
GREGS and LEN. If REGNUM is -1, do this for all registers in
REGSET. */
void
ppc_collect_gregset (const struct regset *regset,
const struct regcache *regcache,
int regnum, void *gregs, size_t len)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
const struct ppc_reg_offsets *offsets = regset->descr;
size_t offset;
int i;
offset = offsets->r0_offset;
for (i = 0; i <= 32; i++, offset += 4)
{
if (regnum == -1 || regnum == i)
ppc_collect_reg (regcache, regnum, gregs, offset);
}
if (regnum == -1 || regnum == PC_REGNUM)
ppc_collect_reg (regcache, PC_REGNUM, gregs, offsets->pc_offset);
if (regnum == -1 || regnum == tdep->ppc_ps_regnum)
ppc_collect_reg (regcache, tdep->ppc_ps_regnum,
gregs, offsets->ps_offset);
if (regnum == -1 || regnum == tdep->ppc_cr_regnum)
ppc_collect_reg (regcache, tdep->ppc_cr_regnum,
gregs, offsets->cr_offset);
if (regnum == -1 || regnum == tdep->ppc_lr_regnum)
ppc_collect_reg (regcache, tdep->ppc_lr_regnum,
gregs, offsets->lr_offset);
if (regnum == -1 || regnum == tdep->ppc_ctr_regnum)
ppc_collect_reg (regcache, tdep->ppc_ctr_regnum,
gregs, offsets->ctr_offset);
if (regnum == -1 || regnum == tdep->ppc_xer_regnum)
ppc_collect_reg (regcache, tdep->ppc_xer_regnum,
gregs, offsets->xer_offset);
if (regnum == -1 || regnum == tdep->ppc_mq_regnum)
ppc_collect_reg (regcache, tdep->ppc_mq_regnum,
gregs, offsets->mq_offset);
}
/* Collect register REGNUM in the floating-point register set
REGSET. from register cache REGCACHE into the buffer specified by
FPREGS and LEN. If REGNUM is -1, do this for all registers in
REGSET. */
void
ppc_collect_fpregset (const struct regset *regset,
const struct regcache *regcache,
int regnum, void *fpregs, size_t len)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
const struct ppc_reg_offsets *offsets = regset->descr;
size_t offset;
int i;
offset = offsets->f0_offset;
for (i = FP0_REGNUM; i <= FP0_REGNUM + 32; i++, offset += 4)
{
if (regnum == -1 || regnum == i)
ppc_collect_reg (regcache, regnum, fpregs, offset);
}
if (regnum == -1 || regnum == tdep->ppc_fpscr_regnum)
ppc_collect_reg (regcache, tdep->ppc_fpscr_regnum,
fpregs, offsets->fpscr_offset);
}
/* Read a LEN-byte address from debugged memory address MEMADDR. */