* alpha-tdep.c (alpha_register_reggroup_p): New.
(alpha_gdbarch_init): Register it.
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@ -1,3 +1,8 @@
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2003-06-01 Richard Henderson <rth@redhat.com>
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* alpha-tdep.c (alpha_register_reggroup_p): New.
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(alpha_gdbarch_init): Register it.
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2003-06-02 Andrew Cagney <cagney@redhat.com>
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* dwarfread.c: Eliminate "register"
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@ -20,6 +20,7 @@
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "doublest.h"
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#include "frame.h"
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#include "frame-unwind.h"
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#include "frame-base.h"
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@ -34,7 +35,7 @@
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#include "gdb_string.h"
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#include "linespec.h"
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#include "regcache.h"
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#include "doublest.h"
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#include "reggroups.h"
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#include "arch-utils.h"
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#include "osabi.h"
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#include "block.h"
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@ -92,6 +93,39 @@ alpha_register_virtual_type (int regno)
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? builtin_type_double : builtin_type_long);
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}
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/* Is REGNUM a member of REGGROUP? */
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static int
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alpha_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
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struct reggroup *group)
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{
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/* Filter out any registers eliminated, but whose regnum is
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reserved for backward compatibility, e.g. the vfp. */
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if (REGISTER_NAME (regnum) == NULL || *REGISTER_NAME (regnum) == '\0')
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return 0;
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/* Since we implement no pseudo registers, save/restore is equal to all. */
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if (group == all_reggroup
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|| group == save_reggroup
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|| group == restore_reggroup)
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return 1;
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/* All other groups are non-overlapping. */
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/* Since this is really a PALcode memory slot... */
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if (regnum == ALPHA_UNIQUE_REGNUM)
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return group == system_reggroup;
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/* Force the FPCR to be considered part of the floating point state. */
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if (regnum == ALPHA_FPCR_REGNUM)
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return group == float_reggroup;
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if (regnum >= ALPHA_FP0_REGNUM && regnum < ALPHA_FP0_REGNUM + 31)
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return group == float_reggroup;
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else
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return group == general_reggroup;
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}
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static int
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alpha_register_byte (int regno)
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{
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@ -1260,6 +1294,8 @@ alpha_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
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alpha_register_convert_to_virtual);
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set_gdbarch_register_convert_to_raw (gdbarch, alpha_register_convert_to_raw);
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set_gdbarch_register_reggroup_p (gdbarch, alpha_register_reggroup_p);
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/* Prologue heuristics. */
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set_gdbarch_skip_prologue (gdbarch, alpha_skip_prologue);
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