* 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, 8 insertions, 34 deletions

diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c
index da46b35..0597191 100644
--- a/gdb/mips-tdep.c
+++ b/gdb/mips-tdep.c
@@ -266,36 +266,6 @@ unmake_mips16_addr (CORE_ADDR addr)
   return ((addr) & ~(CORE_ADDR) 1);
 }
 
-/* Return the contents of register REGNUM as a signed integer.  */
-
-static LONGEST
-read_signed_register (int regnum)
-{
-  LONGEST val;
-  regcache_cooked_read_signed (current_regcache, regnum, &val);
-  return val;
-}
-
-static LONGEST
-read_signed_register_pid (int regnum, ptid_t ptid)
-{
-  ptid_t save_ptid;
-  LONGEST retval;
-
-  if (ptid_equal (ptid, inferior_ptid))
-    return read_signed_register (regnum);
-
-  save_ptid = inferior_ptid;
-
-  inferior_ptid = ptid;
-
-  retval = read_signed_register (regnum);
-
-  inferior_ptid = save_ptid;
-
-  return retval;
-}
-
 /* Return the MIPS ABI associated with GDBARCH.  */
 enum mips_abi
 mips_abi (struct gdbarch *gdbarch)
@@ -926,9 +896,12 @@ mips_pc_is_mips16 (CORE_ADDR memaddr)
    all registers should be sign extended for simplicity? */
 
 static CORE_ADDR
-mips_read_pc (ptid_t ptid)
+mips_read_pc (struct regcache *regcache)
 {
-  return read_signed_register_pid (mips_regnum (current_gdbarch)->pc, ptid);
+  ULONGEST pc;
+  int regnum = mips_regnum (get_regcache_arch (regcache))->pc;
+  regcache_cooked_read_signed (regcache, regnum, &pc);
+  return pc;
 }
 
 static CORE_ADDR
@@ -963,9 +936,10 @@ mips_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame)
 }
 
 static void
-mips_write_pc (CORE_ADDR pc, ptid_t ptid)
+mips_write_pc (struct regcache *regcache, CORE_ADDR pc)
 {
-  write_register_pid (mips_regnum (current_gdbarch)->pc, pc, ptid);
+  int regnum = mips_regnum (get_regcache_arch (regcache))->pc;
+  regcache_cooked_write_unsigned (regcache, regnum, pc);
 }
 
 /* Fetch and return instruction from the specified location.  If the PC