* gdbarch.sh (read_pc): Add REGCACHE argument. Remove PTID argument.

	(write_pc): Likewise.  Remove default implementation, add predicate.
	* gdbarch.c, gdbarch.h: Regenerate.
	* regcache.c (read_pc_pid): Use current regcache instead of calling
	read_register_pid.
	(write_pc_pid): Check gdbarch_write_pc predicate, implement default
	case inline.
	(generic_target_write_pc): Remove.
	* inferior.h (generic_target_write_pc): Remove.
	* frv-tdep.c (frv_gdbarch_init): Do not install it.
	* m68hc11-tdep.c (m68hc11_gdbarch_init): Likewise.
	* rs6000-tdep.c (rs6000_gdbarch_init): Likewise.
	* sh64-tdep.c (sh64_gdbarch_init): Likewise.
	* sh-tdep.c (sh_gdbarch_init): Likewise.
	* xstormy16-tdep.c (xstormy16_gdbarch_init): Likewise.

	* avr-tdep.c (avr_read_pc): Add REGCACHE argument.  Remove PTID
	argument.  Use REGCACHE instead of calling read_register_pid.
	* hppa-hpux-tdep.c (hppa_hpux_read_pc): Likewise.
	* hppa-tdep.c (hppa_read_pc): Likewise.
	* hppa-tdep.h (hppa_read_pc): Likewise.
	* ia64-tdep.c (ia64_read_pc): Likewise.
	* m32r-tdep.c (m32r_read_pc): Likewise.
	* mep-tdep.c (mep_read_pc): Likewise.
	* mn10300-tdep.c (mn10300_read_pc): Likewise.
	* spu-tdep.c (spu_read_pc): Likewise.

	* arm-tdep.c (arm_write_pc): Add REGCACHE argument.  Remove PTID
	argument.  Use REGCACHE instead of calling write_register_pid.
	* avr-tdep.c (avr_write_pc): Likewise.
	* hppa-hpux-tdep.c (hppa_hpux_write_pc): Likewise.
	* hppa-tdep.c (hppa_write_pc): Likewise.
	* hppa-tdep.h (hppa_write_pc): Likewise.
	* i386-linux-tdep.c (i386_linux_write_pc): Likewise.
	* amd64-linux-tdep.c (amd64_linux_write_pc): Likewise.
	* ia64-linux-tdep.c (ia64_linux_write_pc): Likewise.
	* ia64-tdep.c (ia64_write_pc): Likewise.
	* ia64-tdep.h (ia64_write_pc): Likewise.
	* m32r-tdep.c (m32r_write_pc): Likewise.
	* m88k-tdep.c (m88k_write_pc): Likewise.
	* mep-tdep.c (mep_write_pc): Likewise.
	* mips-tdep.c (mips_write_pc): Likewise.
	* mips-linux-tdep.c (mips_linux_write_pc): Likewise.
	* mn10300-tdep.c (mn10300_write_pc): Likewise.
	* sparc-tdep.c (sparc_write_pc): Likewise.
	* spu-tdep.c (spu_write_pc): Likewise.

	* mips-tdep.c (read_signed_register): Remove.
	(read_signed_register_pid): Likewise.
	(mips_read_pc): Add REGCACHE argument.  Remove PTID argument.
	Use REGCACHE instead of calling read_signed_register_pid.

1 files changed, 17 insertions, 14 deletions

diff --git a/gdb/regcache.c b/gdb/regcache.c
index 8a535e1fd21..dc07c9f52ca 100644
--- a/gdb/regcache.c
+++ b/gdb/regcache.c
@@ -887,6 +887,9 @@ regcache_raw_collect (const struct regcache *regcache, int regnum, void *buf)
 CORE_ADDR
 read_pc_pid (ptid_t ptid)
 {
+  struct regcache *regcache = current_regcache;
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
+
   ptid_t saved_inferior_ptid;
   CORE_ADDR pc_val;
 
@@ -894,12 +897,13 @@ read_pc_pid (ptid_t ptid)
   saved_inferior_ptid = inferior_ptid;
   inferior_ptid = ptid;
 
-  if (TARGET_READ_PC_P ())
-    pc_val = TARGET_READ_PC (ptid);
+  if (gdbarch_read_pc_p (gdbarch))
+    pc_val = gdbarch_read_pc (gdbarch, regcache);
   /* Else use per-frame method on get_current_frame.  */
   else if (PC_REGNUM >= 0)
     {
-      CORE_ADDR raw_val = read_register_pid (PC_REGNUM, ptid);
+      ULONGEST raw_val;
+      regcache_cooked_read_unsigned (regcache, PC_REGNUM, &raw_val);
       pc_val = gdbarch_addr_bits_remove (current_gdbarch, raw_val);
     }
   else
@@ -916,25 +920,24 @@ read_pc (void)
 }
 
 void
-generic_target_write_pc (CORE_ADDR pc, ptid_t ptid)
-{
-  if (PC_REGNUM >= 0)
-    write_register_pid (PC_REGNUM, pc, ptid);
-  else
-    internal_error (__FILE__, __LINE__,
-		    _("generic_target_write_pc"));
-}
-
-void
 write_pc_pid (CORE_ADDR pc, ptid_t ptid)
 {
+  struct regcache *regcache = current_regcache;
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
+
   ptid_t saved_inferior_ptid;
 
   /* In case ptid != inferior_ptid. */
   saved_inferior_ptid = inferior_ptid;
   inferior_ptid = ptid;
 
-  TARGET_WRITE_PC (pc, ptid);
+  if (gdbarch_write_pc_p (gdbarch))
+    gdbarch_write_pc (gdbarch, regcache, pc);
+  else if (PC_REGNUM >= 0)
+    regcache_cooked_write_unsigned (regcache, PC_REGNUM, pc);
+  else
+    internal_error (__FILE__, __LINE__,
+		    _("write_pc_pid: Unable to update PC"));
 
   inferior_ptid = saved_inferior_ptid;
 }