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* ppc-tdep.h (struct gdbarch_tdep): New member: ppc_sr0_regnum.

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* rs6000-tdep.c (rs6000_gdbarch_init): Initialize it.
This commit is contained in:
Jim Blandy 2004-07-15 08:02:36 +00:00
parent 090e1a9bcf
commit f86a7158a9
3 changed files with 28 additions and 1 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2004-07-15 Jim Blandy <jimb@redhat.com>
* ppc-tdep.h (struct gdbarch_tdep): New member: ppc_sr0_regnum.
* rs6000-tdep.c (rs6000_gdbarch_init): Initialize it.
2004-07-14 Jim Blandy <jimb@redhat.com>
* rs6000-tdep.c (COMMON_UISA_NOFP_REGS): Delete; unused.

4
gdb/ppc-tdep.h
View file

@ -158,6 +158,10 @@ struct gdbarch_tdep
int ppc_fpscr_regnum; /* Floating point status and condition
register */
int ppc_sr0_regnum; /* segment register 0, or -1 on
variants that have no segment
registers. */
int ppc_mq_regnum; /* Multiply/Divide extension register */
int ppc_vr0_regnum; /* First AltiVec register */
int ppc_vrsave_regnum; /* Last AltiVec register */

20
gdb/rs6000-tdep.c
View file

@ -2868,6 +2868,7 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
tdep->ppc_mq_regnum = -1;
tdep->ppc_fp0_regnum = 32;
tdep->ppc_fpscr_regnum = power ? 71 : 70;
tdep->ppc_sr0_regnum = 71;
tdep->ppc_vr0_regnum = -1;
tdep->ppc_vrsave_regnum = -1;
tdep->ppc_ev0_regnum = -1;
@ -2896,7 +2897,9 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
else
tdep->lr_frame_offset = 8;
if (v->arch == bfd_arch_powerpc)
if (v->arch == bfd_arch_rs6000)
tdep->ppc_sr0_regnum = -1;
else if (v->arch == bfd_arch_powerpc)
switch (v->mach)
{
case bfd_mach_ppc:
@ -2920,6 +2923,7 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
tdep->ppc_ev31_regnum = 38;
tdep->ppc_fp0_regnum = -1;
tdep->ppc_fpscr_regnum = -1;
tdep->ppc_sr0_regnum = -1;
tdep->ppc_acc_regnum = 39;
tdep->ppc_spefscr_regnum = 40;
set_gdbarch_pc_regnum (gdbarch, 0);
@ -2928,7 +2932,21 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_pseudo_register_read (gdbarch, e500_pseudo_register_read);
set_gdbarch_pseudo_register_write (gdbarch, e500_pseudo_register_write);
break;
case bfd_mach_ppc64:
case bfd_mach_ppc_620:
case bfd_mach_ppc_630:
case bfd_mach_ppc_a35:
case bfd_mach_ppc_rs64ii:
case bfd_mach_ppc_rs64iii:
/* These processor's register sets don't have segment registers. */
tdep->ppc_sr0_regnum = -1;
break;
}
else
internal_error (__FILE__, __LINE__,
"rs6000_gdbarch_init: "
"received unexpected BFD 'arch' value");
/* Sanity check on registers. */
gdb_assert (strcmp (tdep->regs[tdep->ppc_gp0_regnum].name, "r0") == 0);