darkkirb/old-cross-binutils
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

* ppc-tdep.h (spe_register_p): New declaration.

Browse source 
(struct gdbarch_tdep): New members: ppc_acc_regnum and
ppc_spefscr_regnum.
* rs6000-tdep.c (spe_register_p): New function.
(rs6000_dwarf2_stab_reg_to_regnum): Recognize numbers for acc and
spefscr.
(rs6000_gdbarch_init): Initialize the new members of the tdep
structure.
This commit is contained in:
Jim Blandy 2004-05-22 06:03:26 +00:00
parent 753731eef0
commit 867e2dc5ac
3 changed files with 49 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
gdb/ChangeLog
View file

@ -1,3 +1,14 @@
2004-05-22 Jim Blandy <jimb@redhat.com>
* ppc-tdep.h (spe_register_p): New declaration.
(struct gdbarch_tdep): New members: ppc_acc_regnum and
ppc_spefscr_regnum.
* rs6000-tdep.c (spe_register_p): New function.
(rs6000_dwarf2_stab_reg_to_regnum): Recognize numbers for acc and
spefscr.
(rs6000_gdbarch_init): Initialize the new members of the tdep
structure.
2004-05-21 Jim Blandy <jimb@redhat.com>
* ppc-linux-nat.c (fetch_register): Move code back to be next

3
gdb/ppc-tdep.h
View file

@ -73,6 +73,7 @@ enum return_value_convention ppc64_sysv_abi_return_value (struct gdbarch *gdbarc
/* From rs6000-tdep.c... */
int altivec_register_p (int regno);
int spe_register_p (int regno);
/* Return non-zero if the architecture described by GDBARCH has
floating-point registers (f0 --- f31 and fpscr). */
@ -162,6 +163,8 @@ struct gdbarch_tdep
int ppc_vrsave_regnum; /* Last AltiVec register */
int ppc_ev0_regnum; /* First ev register */
int ppc_ev31_regnum; /* Last ev register */
int ppc_acc_regnum; /* SPE 'acc' register */
int ppc_spefscr_regnum; /* SPE 'spefscr' register */
int lr_frame_offset; /* Offset to ABI specific location where
link register is saved. */
};

35
gdb/rs6000-tdep.c
View file

@ -141,6 +141,33 @@ altivec_register_p (int regno)
}
/* Return true if REGNO is an SPE register, false otherwise. */
int
spe_register_p (int regno)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
/* Is it a reference to EV0 -- EV31, and do we have those? */
if (tdep->ppc_ev0_regnum >= 0
&& tdep->ppc_ev31_regnum >= 0
&& tdep->ppc_ev0_regnum <= regno && regno <= tdep->ppc_ev31_regnum)
return 1;
/* Is it a reference to the 64-bit accumulator, and do we have that? */
if (tdep->ppc_acc_regnum >= 0
&& tdep->ppc_acc_regnum == regno)
return 1;
/* Is it a reference to the SPE floating-point status and control register,
and do we have that? */
if (tdep->ppc_spefscr_regnum >= 0
&& tdep->ppc_spefscr_regnum == regno)
return 1;
return 0;
}
/* Return non-zero if the architecture described by GDBARCH has
floating-point registers (f0 --- f31 and fpscr). */
int
@ -1831,6 +1858,10 @@ rs6000_dwarf2_stab_reg_to_regnum (int num)
return tdep->ppc_xer_regnum;
case 109:
return tdep->ppc_vrsave_regnum;
case 111:
return gdbarch_tdep (current_gdbarch)->ppc_acc_regnum;
case 112:
return gdbarch_tdep (current_gdbarch)->ppc_spefscr_regnum;
default:
return num;
}
@ -2827,6 +2858,8 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
tdep->ppc_vrsave_regnum = -1;
tdep->ppc_ev0_regnum = -1;
tdep->ppc_ev31_regnum = -1;
tdep->ppc_acc_regnum = -1;
tdep->ppc_spefscr_regnum = -1;
set_gdbarch_pc_regnum (gdbarch, 64);
set_gdbarch_sp_regnum (gdbarch, 1);
@ -2880,6 +2913,8 @@ 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_acc_regnum = 39;
tdep->ppc_spefscr_regnum = 40;
set_gdbarch_pc_regnum (gdbarch, 0);
set_gdbarch_sp_regnum (gdbarch, tdep->ppc_gp0_regnum + 1);
set_gdbarch_deprecated_fp_regnum (gdbarch, tdep->ppc_gp0_regnum + 1);