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Use a constructor function to create regset structures.

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* regset.h (supply_regset_ftype, collect_regset_ftype): New typedefs.
(struct regset): Use supply_regset_ftype.  Add new
'collect_regset' member.
(regset_xmalloc): New declaration.
* regset.c: New file.
* am64-tdep.c (amd64_regset_from_core_section): Use
regset_xmalloc to construct regset structures.
* amd64obsd-tdep.c (amd64obsd_regset_from_core_section): Same.
* i386-tdep.c (i386_regset_from_core_section): Same.
* i386nbsd-tdep.c (i386nbsd_aout_regset_from_core_section): Same.
* i386obsd-tdep.c (i386obsd_aout_regset_from_core_section): Same.
* sparc64fbsd-tdep.c (sparc64fbsd_init_abi): Same.
* sparc64nbsd-tdep.c (sparc64nbsd_init_abi): Same.
* sparc64obsd-tdep.c (sparc64obsd_init_abi): Same.
* sparcnbsd-tdep.c (sparc32nbsd_init_abi): Same.
* Makefile.in (COMMON_OBS): Add regset.o.
(regset.o): New rule.
This commit is contained in:
Jim Blandy 2004-05-20 00:53:06 +00:00
parent e14ad0e71a
commit be07a590ed
13 changed files with 104 additions and 59 deletions
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28
gdb/ChangeLog
View File

@ -1,15 +1,29 @@
2004-05-19 Jim Blandy <jimb@redhat.com>
Use a constructor function to create regset structures.
* regset.h (supply_regset_ftype, collect_regset_ftype): New typedefs.
(struct regset): Use supply_regset_ftype. Add new
'collect_regset' member.
(regset_xmalloc): New declaration.
* regset.c: New file.
* am64-tdep.c (amd64_regset_from_core_section): Use
regset_xmalloc to construct regset structures.
* amd64obsd-tdep.c (amd64obsd_regset_from_core_section): Same.
* i386-tdep.c (i386_regset_from_core_section): Same.
* i386nbsd-tdep.c (i386nbsd_aout_regset_from_core_section): Same.
* i386obsd-tdep.c (i386obsd_aout_regset_from_core_section): Same.
* sparc64fbsd-tdep.c (sparc64fbsd_init_abi): Same.
* sparc64nbsd-tdep.c (sparc64nbsd_init_abi): Same.
* sparc64obsd-tdep.c (sparc64obsd_init_abi): Same.
* sparcnbsd-tdep.c (sparc32nbsd_init_abi): Same.
* Makefile.in (COMMON_OBS): Add regset.o.
(regset.o): New rule.
2004-05-19 Joel Brobecker <brobecker@gnat.com>
* config/djgpp/fnchange.lst: Add entries for pthread_cond_wait.exp
and pthread_cond_wait.c.
2004-05-18 Jim Blandy <jimb@redhat.com>
* rs6000-tdep.c (rs6000_gdbarch_init): Initialize tdep fields
before the mach-specific switch, and then let the individual cases
override the defaults, rather than leaving them uninitialized
until the switch and then setting them in each case.
2004-05-18 Randolph Chung <tausq@debian.org>
* hppa-tdep.c (hppa_frame_cache): Check for validity of r31 for

3
gdb/Makefile.in
View File

@ -910,7 +910,7 @@ COMMON_OBS = $(DEPFILES) $(YYOBJ) \
frame-base.o \
gnu-v2-abi.o gnu-v3-abi.o hpacc-abi.o cp-abi.o cp-support.o \
cp-namespace.o \
reggroups.o \
reggroups.o regset.o \
trad-frame.o \
tramp-frame.o
@ -2197,6 +2197,7 @@ regcache.o: regcache.c $(defs_h) $(inferior_h) $(target_h) $(gdbarch_h) \
$(gdb_string_h) $(gdbcmd_h) $(observer_h)
reggroups.o: reggroups.c $(defs_h) $(reggroups_h) $(gdbtypes_h) \
$(gdb_assert_h) $(regcache_h) $(command_h) $(gdbcmd_h)
regset.o: regset.c $(defs_h) $(regset_h) $(gdb_assert_h)
remote.o: remote.c $(defs_h) $(gdb_string_h) $(inferior_h) $(bfd_h) \
$(symfile_h) $(target_h) $(gdbcmd_h) $(objfiles_h) $(gdb_stabs_h) \
$(gdbthread_h) $(remote_h) $(regcache_h) $(value_h) $(gdb_assert_h) \

6
gdb/amd64-tdep.c
View File

@ -1074,11 +1074,7 @@ amd64_regset_from_core_section (struct gdbarch *gdbarch,
if (strcmp (sect_name, ".reg2") == 0 && sect_size == tdep->sizeof_fpregset)
{
if (tdep->fpregset == NULL)
{
tdep->fpregset = XMALLOC (struct regset);
tdep->fpregset->descr = tdep;
tdep->fpregset->supply_regset = amd64_supply_fpregset;
}
tdep->fpregset = regset_xmalloc (tdep, amd64_supply_fpregset, NULL);
return tdep->fpregset;
}

6
gdb/amd64obsd-tdep.c
View File

@ -63,11 +63,7 @@ amd64obsd_regset_from_core_section (struct gdbarch *gdbarch,
&& sect_size >= tdep->sizeof_gregset + I387_SIZEOF_FXSAVE)
{
if (tdep->gregset == NULL)
{
tdep->gregset = XMALLOC (struct regset);
tdep->gregset->descr = tdep;
tdep->gregset->supply_regset = amd64obsd_supply_regset;
}
tdep->gregset = regset_xmalloc (tdep, amd64obsd_supply_regset, NULL);
return tdep->gregset;
}

12
gdb/i386-tdep.c
View File

@ -1662,11 +1662,7 @@ i386_regset_from_core_section (struct gdbarch *gdbarch,
if (strcmp (sect_name, ".reg") == 0 && sect_size == tdep->sizeof_gregset)
{
if (tdep->gregset == NULL)
{
tdep->gregset = XMALLOC (struct regset);
tdep->gregset->descr = tdep;
tdep->gregset->supply_regset = i386_supply_gregset;
}
tdep->gregset = regset_xmalloc (tdep, i386_supply_gregset, NULL);
return tdep->gregset;
}
@ -1675,11 +1671,7 @@ i386_regset_from_core_section (struct gdbarch *gdbarch,
&& sect_size == I387_SIZEOF_FXSAVE))
{
if (tdep->fpregset == NULL)
{
tdep->fpregset = XMALLOC (struct regset);
tdep->fpregset->descr = tdep;
tdep->fpregset->supply_regset = i386_supply_fpregset;
}
tdep->fpregset = regset_xmalloc (tdep, i386_supply_fpregset, NULL);
return tdep->fpregset;
}

7
gdb/i386nbsd-tdep.c
View File

@ -86,11 +86,8 @@ i386nbsd_aout_regset_from_core_section (struct gdbarch *gdbarch,
&& sect_size >= tdep->sizeof_gregset + I387_SIZEOF_FSAVE)
{
if (tdep->gregset == NULL)
{
tdep->gregset = XMALLOC (struct regset);
tdep->gregset->descr = tdep;
tdep->gregset->supply_regset = i386nbsd_aout_supply_regset;
}
tdep->gregset
= regset_xmalloc (tdep, i386nbsd_aout_supply_regset, NULL);
return tdep->gregset;
}

7
gdb/i386obsd-tdep.c
View File

@ -141,11 +141,8 @@ i386obsd_aout_regset_from_core_section (struct gdbarch *gdbarch,
&& sect_size >= tdep->sizeof_gregset + I387_SIZEOF_FSAVE)
{
if (tdep->gregset == NULL)
{
tdep->gregset = XMALLOC (struct regset);
tdep->gregset->descr = tdep;
tdep->gregset->supply_regset = i386obsd_aout_supply_regset;
}
tdep->gregset
= regset_xmalloc (tdep, i386obsd_aout_supply_regset, NULL);
return tdep->gregset;
}

39
gdb/regset.c Normal file
View File

@ -0,0 +1,39 @@
/* Regset support functions, for GDB.
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 "regset.h"
#include "gdb_assert.h"
struct regset *
regset_xmalloc (void *descr,
supply_regset_ftype *supply_regset,
collect_regset_ftype *collect_regset)
{
struct regset *r = (struct regset *) xmalloc (sizeof (*r));
r->descr = descr;
r->supply_regset = supply_regset;
r->collect_regset = collect_regset;
return r;
}

25
gdb/regset.h
View File

@ -26,6 +26,11 @@ struct gdbarch;
struct regcache;
/* Data structure describing a register set. */
typedef void (supply_regset_ftype) (const struct regset *, struct regcache *,
int, const void *, size_t);
typedef void (collect_regset_ftype) (const struct regset *,
const struct regcache *,
int, const void *, size_t);
struct regset
{
@ -33,9 +38,23 @@ struct regset
providing some sort of description of the register set. */
const void *descr;
/* Function supplying a register set to a register cache. */
void (*supply_regset) (const struct regset *, struct regcache *,
int, const void *, size_t);
/* Function supplying values in a register set to a register cache. */
supply_regset_ftype *supply_regset;
/* Function collecting values in a register set from a register cache. */
collect_regset_ftype *collect_regset;
};
/* Allocate a fresh 'struct regset' whose descr is DESCR, whose
supply_regset function is SUPPLY_REGSET, and whose collect_regset
function is COLLECT_REGSET. If the regset has no collect function,
pass NULL for COLLECT_REGSET.
The object returned is allocated using xmalloc. */
extern struct regset *regset_xmalloc (void *descr,
supply_regset_ftype *supply_regset,
collect_regset_ftype *collect_regset);
#endif /* regset.h */

8
gdb/sparc64fbsd-tdep.c
View File

@ -199,13 +199,11 @@ sparc64fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
tdep->gregset = XMALLOC (struct regset);
tdep->gregset->descr = &sparc64fbsd_gregset;
tdep->gregset->supply_regset = sparc64fbsd_supply_gregset;
tdep->gregset
= regset_xmalloc (&sparc64fbsd_gregset, sparc64fbsd_supply_gregset, NULL);
tdep->sizeof_gregset = 256;
tdep->fpregset = XMALLOC (struct regset);
tdep->fpregset->supply_regset = sparc64fbsd_supply_fpregset;
tdep->fpregset = regset_xmalloc (NULL, sparc64fbsd_supply_fpregset, NULL);
tdep->sizeof_fpregset = 272;
frame_unwind_append_sniffer (gdbarch, sparc64fbsd_sigtramp_frame_sniffer);

8
gdb/sparc64nbsd-tdep.c
View File

@ -226,13 +226,11 @@ sparc64nbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
tdep->gregset = XMALLOC (struct regset);
tdep->gregset->descr = &sparc64nbsd_gregset;
tdep->gregset->supply_regset = sparc64nbsd_supply_gregset;
tdep->gregset
= regset_xmalloc (&sparc64nbsd_gregset, sparc64nbsd_supply_gregset, NULL);
tdep->sizeof_gregset = 160;
tdep->fpregset = XMALLOC (struct regset);
tdep->fpregset->supply_regset = sparc64nbsd_supply_fpregset;
tdep->fpregset = regset_xmalloc (NULL, sparc64nbsd_supply_fpregset, NULL);
tdep->sizeof_fpregset = 272;
frame_unwind_append_sniffer (gdbarch, sparc64nbsd_sigtramp_frame_sniffer);

6
gdb/sparc64obsd-tdep.c
View File

@ -184,9 +184,9 @@ sparc64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
tdep->gregset = XMALLOC (struct regset);
tdep->gregset->descr = &sparc64obsd_core_gregset;
tdep->gregset->supply_regset = sparc64obsd_supply_gregset;
tdep->gregset = regset_xmalloc (&sparc64obsd_core_gregset,
sparc64obsd_supply_gregset,
NULL);
tdep->sizeof_gregset = 832;
frame_unwind_append_sniffer (gdbarch, sparc64obsd_sigtramp_frame_sniffer);

8
gdb/sparcnbsd-tdep.c
View File

@ -274,13 +274,11 @@ sparc32nbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
set_gdbarch_long_double_bit (gdbarch, 64);
set_gdbarch_long_double_format (gdbarch, &floatformat_ieee_double_big);
tdep->gregset = XMALLOC (struct regset);
tdep->gregset->descr = &sparc32nbsd_gregset;
tdep->gregset->supply_regset = sparc32nbsd_supply_gregset;
tdep->gregset
= regset_xmalloc (&sparc32nbsd_gregset, sparc32nbsd_supply_gregset, NULL);
tdep->sizeof_gregset = 20 * 4;
tdep->fpregset = XMALLOC (struct regset);
tdep->fpregset->supply_regset = sparc32nbsd_supply_fpregset;
tdep->fpregset = regset_xmalloc (NULL, sparc32nbsd_supply_fpregset, NULL);
tdep->sizeof_fpregset = 33 * 4;
frame_unwind_append_sniffer (gdbarch, sparc32nbsd_sigtramp_frame_sniffer);