* config/rs6000/tm-rs6000.h (FP0_REGNUM): Document that this

should no longer be used in code specific to the RS6000 and its
derivatives.
* ppc-tdep.h (struct gdbarch_tdep): Add 'ppc_fp0_regnum' member.
* rs6000-tdep.c (rs6000_gdbarch_init): Initialize
tdep->ppc_fp0_regnum.
(ppc_supply_fpregset, ppc_collect_fpregset)
(rs6000_push_dummy_call, rs6000_extract_return_value)
(rs6000_dwarf2_stab_reg_to_regnum, rs6000_store_return_value)
(rs6000_frame_cache): Use tdep->ppc_fp0_regnum instead of
FP0_REGNUM.
* aix-thread.c (supply_fprs, fetch_regs_kernel_thread)
(fill_gprs64, fill_gprs32, fill_fprs, store_regs_kernel_thread):
Same.
* ppc-bdm.c (bdm_ppc_fetch_registers, bdm_ppc_fetch_registers,
bdm_ppc_store_registers): Same.
* ppc-linux-nat.c (ppc_register_u_addr, fetch_register)
(store_register, fill_fpregset): Same.
* ppc-linux-tdep.c (ppc_linux_sigtramp_cache)
(ppc_linux_supply_fpregset): Same.
* ppcnbsd-nat.c (getfpregs_supplies): Same.
* ppcnbsd-tdep.c (ppcnbsd_supply_fpreg, ppcnbsd_fill_fpreg):
Same.
* ppc-sysv-tdep.c (ppc_sysv_abi_push_dummy_call,
do_ppc_sysv_return_value, ppc64_sysv_abi_push_dummy_call,
ppc64_sysv_abi_return_value): Same.
* rs6000-nat.c (regmap, fetch_inferior_registers)
(store_inferior_registers, fetch_core_registers): Same.

1 files changed, 4 insertions, 0 deletions

diff --git a/gdb/config/rs6000/tm-rs6000.h b/gdb/config/rs6000/tm-rs6000.h
index e53a7b8..59af62b 100644
--- a/gdb/config/rs6000/tm-rs6000.h
+++ b/gdb/config/rs6000/tm-rs6000.h
@@ -71,6 +71,10 @@ extern void aix_process_linenos (void);
    to be actual register numbers as far as the user is concerned
    but do serve to get the desired values when passed to read_register.  */
 
+/* Don't use this in code specific to the RS6000 and its descendants;
+   use tdep->ppc_fp0_regnum instead.  FP0_REGNUM will be deprecated
+   soon, but we still need to define it here for the uses in
+   architecture-independent code.  */
 #define FP0_REGNUM 32		/* Floating point register 0 */
 
 /* Notice when a new child process is started. */