2003-04-28 Andrew Cagney <cagney@redhat.com>

	* gdbarch.sh (DEPRECATED_TARGET_READ_FP): Replace TARGET_READ_FP.
	(DEPRECATED_FP_REGNUM): Replace FP_REGNUM.
	* gdbarch.h, gdbarch.c: Re-generate.
	* infcall.c (call_function_by_hand): Use DEPRECATED_FP_REGNUM,
	DEPRECATED_TARGET_READ_FP, or "sp" to create the dummy frame ID.
	* inferior.h (deprecated_read_fp): Rename read_fp.
	(generic_target_read_fp): Delete declaration.
	* regcache.c (generic_target_read_fp): Delete function.
	(deprecated_read_fp): Replace read_fp, use
	DEPRECATED_TARGET_READ_FP or DEPRECATED_FP_REGNUM.
	* d10v-tdep.c (d10v_read_fp): Delete function.
	(d10v_gdbarch_init): Do not set deprecated_read_fp.

	* sparc-tdep.c (sparc_gdbarch_init): Do not set
	deprecated_target_read_fp to generic_target_read_fp.
	* sh-tdep.c (sh_gdbarch_init): Ditto.
	* rs6000-tdep.c (rs6000_gdbarch_init): Ditto.
	* m68hc11-tdep.c (m68hc11_gdbarch_init): Ditto.
	* frv-tdep.c (frv_gdbarch_init): Ditto.

	* xstormy16-tdep.c (xstormy16_gdbarch_init): Set
	deprecated_fp_regnum.
	* x86-64-tdep.c (x86_64_init_abi): Ditto.
	* vax-tdep.c (vax_gdbarch_init): Ditto.
	* v850-tdep.c (v850_gdbarch_init): Ditto.
	* sparc-tdep.c (sparc_gdbarch_init): Ditto.
	* sh-tdep.c (sh_gdbarch_init): Ditto.
	* s390-tdep.c (s390_gdbarch_init): Ditto.
	* rs6000-tdep.c (rs6000_gdbarch_init): Ditto.
	* mn10300-tdep.c (mn10300_gdbarch_init): Ditto.
	* mcore-tdep.c (mcore_gdbarch_init): Ditto.
	* m68k-tdep.c (m68k_gdbarch_init): Ditto.
	* m68hc11-tdep.c (m68hc11_gdbarch_init): Ditto.
	* ia64-tdep.c (ia64_gdbarch_init): Ditto.
	* i386-tdep.c (i386_gdbarch_init): Ditto.
	* hppa-tdep.c (hppa_gdbarch_init): Ditto.
	* h8300-tdep.c (h8300_gdbarch_init): Ditto.
	* frv-tdep.c (frv_gdbarch_init): Ditto.
	* cris-tdep.c (cris_gdbarch_init): Ditto.
	* avr-tdep.c (avr_gdbarch_init): Ditto.
	* arm-tdep.c (arm_gdbarch_init): Ditto.
	* alpha-tdep.c (alpha_gdbarch_init): Ditto.

	* x86-64-tdep.c (x86_64_init_abi): Set deprecated_target_read_fp.
	* v850-tdep.c (v850_gdbarch_init): Ditto.
	* sparc-tdep.c (sparc_gdbarch_init): Ditto.
	* sh-tdep.c (sh_gdbarch_init): Ditto.
	* s390-tdep.c (s390_gdbarch_init): Ditto.
	* rs6000-tdep.c (rs6000_gdbarch_init): Ditto.
	* mn10300-tdep.c (mn10300_gdbarch_init): Ditto.
	* mips-tdep.c (mips_gdbarch_init): Ditto.
	* m68hc11-tdep.c (m68hc11_gdbarch_init): Ditto.
	* ia64-tdep.c (ia64_gdbarch_init): Ditto.
	* hppa-tdep.c (hppa_gdbarch_init): Ditto.
	* frv-tdep.c (frv_gdbarch_init): Ditto.
	* avr-tdep.c (avr_gdbarch_init): Ditto.
	* arm-tdep.c (arm_gdbarch_init): Ditto.

	* vax-tdep.c (vax_frame_init_saved_regs): Replace FP_REGNUM with
	DEPRECATED_FP_REGNUM.
	(vax_push_dummy_frame, vax_pop_frame): Ditto.
	* std-regs.c (value_of_builtin_frame_fp_reg): Ditto.
	* sparc-tdep.c (sparc_init_extra_frame_info): Ditto.
	(sparc_push_dummy_frame, sparc64_read_fp): Ditto.
	(sparc32_register_virtual_type): Ditto.
	* sh-tdep.c (sh64_frame_chain): Ditto.
	(sh64_get_saved_register, sh64_pop_frame): Ditto.
	(sh_nofp_frame_init_saved_regs): Ditto.
	(sh64_nofp_frame_init_saved_regs): Ditto.
	(sh_fp_frame_init_saved_regs): Ditto.
	* remote-mips.c (mips_wait, mips_fetch_registers): Ditto.
	* remote-e7000.c (fetch_regs_from_dump): Ditto.
	* procfs.c (procfs_fetch_registers): Ditto.
	(procfs_store_registers): Ditto.
	* ns32knbsd-nat.c (fetch_inferior_registers): Ditto.
	(store_inferior_registers, fetch_core_registers): Ditto.
	(fetch_kcore_registers, clear_regs): Ditto.
	* ns32k-tdep.c (ns32k_frame_init_saved_regs): Ditto.
	(ns32k_push_dummy_frame, ns32k_pop_frame): Ditto.
	* nlm/i386.h (DEPRECATED_FP_REGNUM): Ditto.
	* nlm/i386.c (do_status): Ditto.
	* mipsv4-nat.c (supply_gregset): Ditto.
	* mips-tdep.c: Ditto for comments.
	* mips-nat.c (fetch_inferior_registers): Ditto.
	(store_inferior_registers, fetch_core_registers): Ditto.
	* m68k-tdep.c (m68k_push_dummy_frame): Ditto.
	(m68k_pop_frame, m68k_frame_init_saved_regs): Ditto.
	* i386-tdep.c (i386_frame_init_saved_regs): Ditto.
	(i386_do_pop_frame, i386_register_type): Ditto.
	* hppa-tdep.c (hppa_frame_chain): Ditto.
	(hppa_push_dummy_frame, find_dummy_frame_regs): Ditto.
	(hppa_pop_frame, hppa_read_fp): Ditto.
	(skip_prologue_hard_way, hppa_frame_find_saved_regs): Ditto.
	* cris-tdep.c (cris_examine, cris_pop_frame): Ditto.
	* config/vax/nm-vax.h (REGISTER_U_ADDR): Ditto.
	* config/sparc/tm-sparc.h (DEPRECATED_FP_REGNUM): Ditto.
	* config/sparc/tm-sp64.h (DEPRECATED_FP_REGNUM): Ditto.
	* config/s390/tm-s390.h (DEPRECATED_FP_REGNUM): Ditto.
	* config/pa/tm-hppa64.h (DEPRECATED_FP_REGNUM): Ditto.
	* config/ia64/tm-ia64.h (DEPRECATED_FP_REGNUM): Ditto.
	* blockframe.c: Ditto for comments.
	* arch-utils.h: Ditto for comments.
	* arch-utils.c (legacy_virtual_frame_pointer): Ditto.
	* alphanbsd-tdep.c (fetch_core_registers): Ditto.
	* alphabsd-nat.c (fetch_inferior_registers): Ditto.
	* alpha-tdep.h: Ditto for comments.
	* alpha-tdep.c (alpha_cannot_fetch_register): Ditto.
	(alpha_cannot_store_register): Ditto.
	(alpha_push_dummy_frame): Ditto.
	* alpha-nat.c (supply_gregset): Ditto.

	* config/sparc/tm-sp64.h (DEPRECATED_TARGET_READ_FP): Update.
	* config/pa/tm-hppa64.h (DEPRECATED_TARGET_READ_FP): Update.
	* config/sparc/tm-sparc.h: Update comment.

	* hppa-tdep.c (hppa_init_extra_frame_info): Use
	deprecated_read_fp instead of TARGET_READ_FP.
	(hppa_init_extra_frame_info, hppa_frame_chain): Ditto.
	(hppa_push_dummy_frame, hppa_read_fp): Ditto.
	* sparc-tdep.c (sparc_init_extra_frame_info): Use
	deprecated_read_fp instead of read_fp.
	* s390-tdep.c (s390_push_arguments): Ditto.
	* ia64-tdep.c (ia64_gdbarch_init): Ditto.
	* frame.h: Ditto in comments.
	* frame.c (legacy_get_prev_frame): Ditto.
	* dummy-frame.c (dummy_frame_this_id): Ditto.
	* arm-tdep.c (arm_init_extra_frame_info): Ditto.

2003-04-28  Andrew Cagney  <cagney@redhat.com>

	* gdbint.texinfo (Target Architecture Definition): Replace
	read_fp, TARGET_READ_FP and FP_REGNUM, with deprecated_read_fp,
	DEPRECATED_TARGET_READ_FP and DEPRECATED_REGNUM.

1 files changed, 19 insertions, 14 deletions

diff --git a/gdb/std-regs.c b/gdb/std-regs.c
index 6078d1ab2b8..9f6f9acb109 100644
--- a/gdb/std-regs.c
+++ b/gdb/std-regs.c
@@ -74,20 +74,25 @@ value_of_builtin_frame_reg (struct frame_info *frame)
 static struct value *
 value_of_builtin_frame_fp_reg (struct frame_info *frame)
 {
-#ifdef FP_REGNUM
-  if (FP_REGNUM >= 0)
-    return value_of_register (FP_REGNUM, frame);
-#endif
-  {
-    struct value *val = allocate_value (builtin_type_void_data_ptr);
-    char *buf = VALUE_CONTENTS_RAW (val);
-    if (frame == NULL)
-      memset (buf, TYPE_LENGTH (VALUE_TYPE (val)), 0);
-    else
-      ADDRESS_TO_POINTER (builtin_type_void_data_ptr, buf,
-			  get_frame_base (frame));
-    return val;
-  }
+  if (DEPRECATED_FP_REGNUM >= 0)
+    /* NOTE: cagney/2003-04-24: Since the mere presence of "fp" in the
+       register name table overrides this built-in $fp register, there
+       is no real reason for this DEPRECATED_FP_REGNUM trickery here.
+       An architecture wanting to implement "$fp" as alias for a raw
+       register can do so by adding "fp" to register name table (mind
+       you, doing this is probably a dangerous thing).  */
+    return value_of_register (DEPRECATED_FP_REGNUM, frame);
+  else
+    {
+      struct value *val = allocate_value (builtin_type_void_data_ptr);
+      char *buf = VALUE_CONTENTS_RAW (val);
+      if (frame == NULL)
+	memset (buf, TYPE_LENGTH (VALUE_TYPE (val)), 0);
+      else
+	ADDRESS_TO_POINTER (builtin_type_void_data_ptr, buf,
+			    get_frame_base (frame));
+      return val;
+    }
 }
 
 static struct value *