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* m68hc11-tdep.c (m68hc11_init_reggroups): New function.

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(m68hc11_add_reggroups): New function.
	(m68hc11_register_reggroup_p): New to register hard/soft reggroups.
	(m68hc11_gdbarch_init): Install the reggroups.
	(_initialize_m68hc11_tdep): Initialize them.
This commit is contained in:
Stephane Carrez 2003-02-22 15:59:49 +00:00
parent 0aa8c1e41b
commit b631436bb9
2 changed files with 73 additions and 0 deletions
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8
gdb/ChangeLog
View file

@ -1,3 +1,11 @@
2003-02-22 Stephane Carrez <stcarrez@nerim.fr>
* m68hc11-tdep.c (m68hc11_init_reggroups): New function.
(m68hc11_add_reggroups): New function.
(m68hc11_register_reggroup_p): New to register hard/soft reggroups.
(m68hc11_gdbarch_init): Install the reggroups.
(_initialize_m68hc11_tdep): Initialize them.
2003-02-21 James E Wilson <wilson@tuliptree.org>
* MAINTAINERS: Update my email address.

65
gdb/m68hc11-tdep.c
View file

@ -33,6 +33,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "objfiles.h"
#include "arch-utils.h"
#include "regcache.h"
#include "reggroups.h"
#include "target.h"
#include "opcode/m68hc11.h"
@ -1205,6 +1206,66 @@ gdb_print_insn_m68hc11 (bfd_vma memaddr, disassemble_info *info)
return print_insn_m68hc12 (memaddr, info);
}
/* 68HC11/68HC12 register groups.
Identify real hard registers and soft registers used by gcc. */
static struct reggroup *m68hc11_soft_reggroup;
static struct reggroup *m68hc11_hard_reggroup;
static void
m68hc11_init_reggroups (void)
{
m68hc11_hard_reggroup = reggroup_new ("hard", USER_REGGROUP);
m68hc11_soft_reggroup = reggroup_new ("soft", USER_REGGROUP);
}
static void
m68hc11_add_reggroups (struct gdbarch *gdbarch)
{
reggroup_add (gdbarch, m68hc11_hard_reggroup);
reggroup_add (gdbarch, m68hc11_soft_reggroup);
reggroup_add (gdbarch, general_reggroup);
reggroup_add (gdbarch, float_reggroup);
reggroup_add (gdbarch, all_reggroup);
reggroup_add (gdbarch, save_reggroup);
reggroup_add (gdbarch, restore_reggroup);
reggroup_add (gdbarch, vector_reggroup);
reggroup_add (gdbarch, system_reggroup);
}
static int
m68hc11_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
struct reggroup *group)
{
/* We must save the real hard register as well as gcc
soft registers including the frame pointer. */
if (group == save_reggroup || group == restore_reggroup)
{
return (regnum <= gdbarch_num_regs (gdbarch)
|| ((regnum == SOFT_FP_REGNUM
|| regnum == SOFT_TMP_REGNUM
|| regnum == SOFT_ZS_REGNUM
|| regnum == SOFT_XY_REGNUM)
&& m68hc11_register_name (regnum)));
}
/* Group to identify gcc soft registers (d1..dN). */
if (group == m68hc11_soft_reggroup)
{
return regnum >= SOFT_D1_REGNUM && m68hc11_register_name (regnum);
}
if (group == m68hc11_hard_reggroup)
{
return regnum == HARD_PC_REGNUM || regnum == HARD_SP_REGNUM
|| regnum == HARD_X_REGNUM || regnum == HARD_D_REGNUM
|| regnum == HARD_Y_REGNUM || regnum == HARD_CCR_REGNUM;
}
return default_register_reggroup_p (gdbarch, regnum, group);
}
static struct gdbarch *
m68hc11_gdbarch_init (struct gdbarch_info info,
struct gdbarch_list *arches)
@ -1358,6 +1419,9 @@ m68hc11_gdbarch_init (struct gdbarch_info info,
set_gdbarch_stack_align (gdbarch, m68hc11_stack_align);
set_gdbarch_print_insn (gdbarch, gdb_print_insn_m68hc11);
m68hc11_add_reggroups (gdbarch);
set_gdbarch_register_reggroup_p (gdbarch, m68hc11_register_reggroup_p);
/* Minsymbol frobbing. */
set_gdbarch_elf_make_msymbol_special (gdbarch,
m68hc11_elf_make_msymbol_special);
@ -1372,6 +1436,7 @@ _initialize_m68hc11_tdep (void)
{
register_gdbarch_init (bfd_arch_m68hc11, m68hc11_gdbarch_init);
register_gdbarch_init (bfd_arch_m68hc12, m68hc11_gdbarch_init);
m68hc11_init_reggroups ();
add_com ("regs", class_vars, show_regs, "Print all registers");
}