OpenE2K/binutils-gdb
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2005-01-26 Andrew Cagney <cagney@gnu.org>

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* rs6000-tdep.c: Include "reggroups.h".
	(rs6000_gdbarch_init): Set register_reggroup_p.
	(rs6000_register_reggroup_p): New function.
This commit is contained in:
Andrew Cagney 2005-01-26 21:53:06 +00:00
parent c600d464c0
commit c44ca51c0b
2 changed files with 61 additions and 0 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2005-01-26 Andrew Cagney <cagney@gnu.org>
* rs6000-tdep.c: Include "reggroups.h".
(rs6000_gdbarch_init): Set register_reggroup_p.
(rs6000_register_reggroup_p): New function.
2005-01-26 Orjan Friberg <orjanf@axis.com>
* cris-tdep.c (enum cris_num_regs, enum cris_regnums)

55
gdb/rs6000-tdep.c
View File

@ -59,6 +59,8 @@
#include "frame-unwind.h"
#include "frame-base.h"
#include "reggroups.h"
/* If the kernel has to deliver a signal, it pushes a sigcontext
structure on the stack and then calls the signal handler, passing
the address of the sigcontext in an argument register. Usually
@ -1861,6 +1863,58 @@ rs6000_register_type (struct gdbarch *gdbarch, int n)
}
}
/* Is REGNUM a member of REGGROUP? */
static int
rs6000_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
struct reggroup *group)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int float_p;
int vector_p;
int general_p;
if (REGISTER_NAME (regnum) == NULL
|| *REGISTER_NAME (regnum) == '\0')
return 0;
if (group == all_reggroup)
return 1;
float_p = (regnum == tdep->ppc_fpscr_regnum
|| (regnum >= tdep->ppc_fp0_regnum
&& regnum < tdep->ppc_fp0_regnum + 32));
if (group == float_reggroup)
return float_p;
vector_p = ((regnum >= tdep->ppc_vr0_regnum
&& regnum < tdep->ppc_vr0_regnum + 32)
|| (regnum >= tdep->ppc_ev0_regnum
&& regnum < tdep->ppc_ev0_regnum + 32)
|| regnum == tdep->ppc_vrsave_regnum
|| regnum == tdep->ppc_acc_regnum
|| regnum == tdep->ppc_spefscr_regnum);
if (group == vector_reggroup)
return vector_p;
/* Note that PS aka MSR isn't included - it's a system register (and
besides, due to GCC's CFI foobar you do not want to restore
it). */
general_p = ((regnum >= tdep->ppc_gp0_regnum
&& regnum < tdep->ppc_gp0_regnum + 32)
|| regnum == tdep->ppc_toc_regnum
|| regnum == tdep->ppc_cr_regnum
|| regnum == tdep->ppc_lr_regnum
|| regnum == tdep->ppc_ctr_regnum
|| regnum == tdep->ppc_xer_regnum
|| regnum == PC_REGNUM);
if (group == general_reggroup)
return general_p;
if (group == save_reggroup || group == restore_reggroup)
return general_p || vector_p || float_p;
return 0;
}
/* The register format for RS/6000 floating point registers is always
double, we need a conversion if the memory format is float. */
@ -3218,6 +3272,7 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_num_pseudo_regs (gdbarch, v->npregs);
set_gdbarch_register_name (gdbarch, rs6000_register_name);
set_gdbarch_register_type (gdbarch, rs6000_register_type);
set_gdbarch_register_reggroup_p (gdbarch, rs6000_register_reggroup_p);
set_gdbarch_ptr_bit (gdbarch, wordsize * TARGET_CHAR_BIT);
set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT);