gdb: rename displaced_step_closure to displaced_step_copy_insn_closure

Since we're going to introduce other "displaced step" functions and
another kind of displaced step closure, make it clear that this is the
return type of the gdbarch_displaced_step_copy_insn function.

gdb/ChangeLog:

	* infrun.h (get_displaced_step_closure_by_addr): Rename to...
	(get_displaced_step_copy_insn_closure_by_addr): ... this.
	Update all users.
	(displaced_step_closure): Rename to...
	(displaced_step_copy_insn_closure): ... this.  Update all users.
	(displaced_step_closure_up): Rename to...
	(displaced_step_copy_insn_closure_up). ... this.  Update all
	users.
	(buf_displaced_step_closure): Rename to...
	(buf_displaced_step_copy_insn_closure): ... this.  Update all
	users.
	* infrun.c (get_displaced_step_closure_by_addr): Rename to...
	(get_displaced_step_copy_insn_closure_by_addr): ... this.
	Update all users.
	* aarch64-tdep.c (aarch64_displaced_step_closure): Rename to...
	(aarch64_displaced_step_copy_insn_closure): ... this.  Update
	all users.
	* amd64-tdep.c (amd64_displaced_step_closure): Rename to...
	(amd64_displaced_step_copy_insn_closure): ... this.  Update all
	users.
	* arm-tdep.h (arm_displaced_step_closure): Rename to...
	(arm_displaced_step_copy_insn_closure): ... this.  Update all
	users.
	* i386-tdep.h (i386_displaced_step_closure): Rename to...
	(i386_displaced_step_copy_insn_closure): ... this.  Update all
	users.
	* rs6000-tdep.c (ppc_displaced_step_closure): Rename to...
	(ppc_displaced_step_copy_insn_closure): ... this.  Update all
	users.
	* s390-tdep.c (s390_displaced_step_closure): Rename to...
	(s390_displaced_step_copy_insn_closure): ... this.  Update all
	users.
	* gdbarch.h: Re-generate.
	* gdbarch.c: Re-generate.

Change-Id: I11f56dbcd4c3532fb195a08ba93bccf1d12a03c8

1 files changed, 91 insertions, 89 deletions

diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
index d1e3a98c0b5..bc086e18a57 100644
--- a/gdb/arm-tdep.c
+++ b/gdb/arm-tdep.c
@@ -433,9 +433,9 @@ arm_pc_is_thumb (struct gdbarch *gdbarch, CORE_ADDR memaddr)
 {
   struct bound_minimal_symbol sym;
   char type;
-  arm_displaced_step_closure *dsc
-    = ((arm_displaced_step_closure * )
-	get_displaced_step_closure_by_addr (memaddr));
+  arm_displaced_step_copy_insn_closure *dsc
+    = ((arm_displaced_step_copy_insn_closure * )
+	get_displaced_step_copy_insn_closure_by_addr (memaddr));
 
   /* If checking the mode of displaced instruction in copy area, the mode
      should be determined by instruction on the original address.  */
@@ -4474,7 +4474,7 @@ arm_adjust_breakpoint_address (struct gdbarch *gdbarch, CORE_ADDR bpaddr)
    location.  */
 
 ULONGEST
-displaced_read_reg (struct regcache *regs, arm_displaced_step_closure *dsc,
+displaced_read_reg (regcache *regs, arm_displaced_step_copy_insn_closure *dsc,
 		    int regno)
 {
   ULONGEST ret;
@@ -4522,7 +4522,7 @@ displaced_in_arm_mode (struct regcache *regs)
 /* Write to the PC as from a branch instruction.  */
 
 static void
-branch_write_pc (struct regcache *regs, arm_displaced_step_closure *dsc,
+branch_write_pc (regcache *regs, arm_displaced_step_copy_insn_closure *dsc,
 		 ULONGEST val)
 {
   if (!dsc->is_thumb)
@@ -4568,7 +4568,7 @@ bx_write_pc (struct regcache *regs, ULONGEST val)
 /* Write to the PC as if from a load instruction.  */
 
 static void
-load_write_pc (struct regcache *regs, arm_displaced_step_closure *dsc,
+load_write_pc (regcache *regs, arm_displaced_step_copy_insn_closure *dsc,
 	       ULONGEST val)
 {
   if (DISPLACED_STEPPING_ARCH_VERSION >= 5)
@@ -4580,7 +4580,7 @@ load_write_pc (struct regcache *regs, arm_displaced_step_closure *dsc,
 /* Write to the PC as if from an ALU instruction.  */
 
 static void
-alu_write_pc (struct regcache *regs, arm_displaced_step_closure *dsc,
+alu_write_pc (regcache *regs, arm_displaced_step_copy_insn_closure *dsc,
 	      ULONGEST val)
 {
   if (DISPLACED_STEPPING_ARCH_VERSION >= 7 && !dsc->is_thumb)
@@ -4594,7 +4594,7 @@ alu_write_pc (struct regcache *regs, arm_displaced_step_closure *dsc,
    this is controlled by the WRITE_PC argument.  */
 
 void
-displaced_write_reg (struct regcache *regs, arm_displaced_step_closure *dsc,
+displaced_write_reg (regcache *regs, arm_displaced_step_copy_insn_closure *dsc,
 		     int regno, ULONGEST val, enum pc_write_style write_pc)
 {
   if (regno == ARM_PC_REGNUM)
@@ -4675,8 +4675,8 @@ insn_references_pc (uint32_t insn, uint32_t bitmask)
    matter what address they are executed at: in those cases, use this.  */
 
 static int
-arm_copy_unmodified (struct gdbarch *gdbarch, uint32_t insn,
-		     const char *iname, arm_displaced_step_closure *dsc)
+arm_copy_unmodified (struct gdbarch *gdbarch, uint32_t insn, const char *iname,
+		     arm_displaced_step_copy_insn_closure *dsc)
 {
   displaced_debug_printf ("copying insn %.8lx, opcode/class '%s' unmodified",
 			  (unsigned long) insn, iname);
@@ -4689,7 +4689,7 @@ arm_copy_unmodified (struct gdbarch *gdbarch, uint32_t insn,
 static int
 thumb_copy_unmodified_32bit (struct gdbarch *gdbarch, uint16_t insn1,
 			     uint16_t insn2, const char *iname,
-			     arm_displaced_step_closure *dsc)
+			     arm_displaced_step_copy_insn_closure *dsc)
 {
   displaced_debug_printf ("copying insn %.4x %.4x, opcode/class '%s' "
 			  "unmodified", insn1, insn2, iname);
@@ -4706,7 +4706,7 @@ thumb_copy_unmodified_32bit (struct gdbarch *gdbarch, uint16_t insn1,
 static int
 thumb_copy_unmodified_16bit (struct gdbarch *gdbarch, uint16_t insn,
 			     const char *iname,
-			     arm_displaced_step_closure *dsc)
+			     arm_displaced_step_copy_insn_closure *dsc)
 {
   displaced_debug_printf ("copying insn %.4x, opcode/class '%s' unmodified",
 			  insn, iname);
@@ -4719,8 +4719,8 @@ thumb_copy_unmodified_16bit (struct gdbarch *gdbarch, uint16_t insn,
 /* Preload instructions with immediate offset.  */
 
 static void
-cleanup_preload (struct gdbarch *gdbarch,
-		 struct regcache *regs, arm_displaced_step_closure *dsc)
+cleanup_preload (struct gdbarch *gdbarch, regcache *regs,
+		 arm_displaced_step_copy_insn_closure *dsc)
 {
   displaced_write_reg (regs, dsc, 0, dsc->tmp[0], CANNOT_WRITE_PC);
   if (!dsc->u.preload.immed)
@@ -4729,7 +4729,7 @@ cleanup_preload (struct gdbarch *gdbarch,
 
 static void
 install_preload (struct gdbarch *gdbarch, struct regcache *regs,
-		 arm_displaced_step_closure *dsc, unsigned int rn)
+		 arm_displaced_step_copy_insn_closure *dsc, unsigned int rn)
 {
   ULONGEST rn_val;
   /* Preload instructions:
@@ -4748,7 +4748,7 @@ install_preload (struct gdbarch *gdbarch, struct regcache *regs,
 
 static int
 arm_copy_preload (struct gdbarch *gdbarch, uint32_t insn, struct regcache *regs,
-		  arm_displaced_step_closure *dsc)
+		  arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int rn = bits (insn, 16, 19);
 
@@ -4766,7 +4766,7 @@ arm_copy_preload (struct gdbarch *gdbarch, uint32_t insn, struct regcache *regs,
 
 static int
 thumb2_copy_preload (struct gdbarch *gdbarch, uint16_t insn1, uint16_t insn2,
-		     struct regcache *regs, arm_displaced_step_closure *dsc)
+		     regcache *regs, arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int rn = bits (insn1, 0, 3);
   unsigned int u_bit = bit (insn1, 7);
@@ -4814,7 +4814,7 @@ thumb2_copy_preload (struct gdbarch *gdbarch, uint16_t insn1, uint16_t insn2,
 
 static void
 install_preload_reg(struct gdbarch *gdbarch, struct regcache *regs,
-		    arm_displaced_step_closure *dsc, unsigned int rn,
+		    arm_displaced_step_copy_insn_closure *dsc, unsigned int rn,
 		    unsigned int rm)
 {
   ULONGEST rn_val, rm_val;
@@ -4839,7 +4839,7 @@ install_preload_reg(struct gdbarch *gdbarch, struct regcache *regs,
 static int
 arm_copy_preload_reg (struct gdbarch *gdbarch, uint32_t insn,
 		      struct regcache *regs,
-		      arm_displaced_step_closure *dsc)
+		      arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int rn = bits (insn, 16, 19);
   unsigned int rm = bits (insn, 0, 3);
@@ -4862,7 +4862,7 @@ arm_copy_preload_reg (struct gdbarch *gdbarch, uint32_t insn,
 static void
 cleanup_copro_load_store (struct gdbarch *gdbarch,
 			  struct regcache *regs,
-			  arm_displaced_step_closure *dsc)
+			  arm_displaced_step_copy_insn_closure *dsc)
 {
   ULONGEST rn_val = displaced_read_reg (regs, dsc, 0);
 
@@ -4874,7 +4874,7 @@ cleanup_copro_load_store (struct gdbarch *gdbarch,
 
 static void
 install_copro_load_store (struct gdbarch *gdbarch, struct regcache *regs,
-			  arm_displaced_step_closure *dsc,
+			  arm_displaced_step_copy_insn_closure *dsc,
 			  int writeback, unsigned int rn)
 {
   ULONGEST rn_val;
@@ -4902,7 +4902,7 @@ install_copro_load_store (struct gdbarch *gdbarch, struct regcache *regs,
 static int
 arm_copy_copro_load_store (struct gdbarch *gdbarch, uint32_t insn,
 			   struct regcache *regs,
-			   arm_displaced_step_closure *dsc)
+			   arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int rn = bits (insn, 16, 19);
 
@@ -4922,7 +4922,7 @@ arm_copy_copro_load_store (struct gdbarch *gdbarch, uint32_t insn,
 static int
 thumb2_copy_copro_load_store (struct gdbarch *gdbarch, uint16_t insn1,
 			      uint16_t insn2, struct regcache *regs,
-			      arm_displaced_step_closure *dsc)
+			      arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int rn = bits (insn1, 0, 3);
 
@@ -4949,7 +4949,7 @@ thumb2_copy_copro_load_store (struct gdbarch *gdbarch, uint16_t insn1,
 
 static void
 cleanup_branch (struct gdbarch *gdbarch, struct regcache *regs,
-		arm_displaced_step_closure *dsc)
+		arm_displaced_step_copy_insn_closure *dsc)
 {
   uint32_t status = displaced_read_reg (regs, dsc, ARM_PS_REGNUM);
   int branch_taken = condition_true (dsc->u.branch.cond, status);
@@ -4980,7 +4980,7 @@ cleanup_branch (struct gdbarch *gdbarch, struct regcache *regs,
 
 static void
 install_b_bl_blx (struct gdbarch *gdbarch, struct regcache *regs,
-		  arm_displaced_step_closure *dsc,
+		  arm_displaced_step_copy_insn_closure *dsc,
 		  unsigned int cond, int exchange, int link, long offset)
 {
   /* Implement "BL<cond> <label>" as:
@@ -5009,7 +5009,7 @@ install_b_bl_blx (struct gdbarch *gdbarch, struct regcache *regs,
 }
 static int
 arm_copy_b_bl_blx (struct gdbarch *gdbarch, uint32_t insn,
-		   struct regcache *regs, arm_displaced_step_closure *dsc)
+		   regcache *regs, arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int cond = bits (insn, 28, 31);
   int exchange = (cond == 0xf);
@@ -5038,7 +5038,7 @@ arm_copy_b_bl_blx (struct gdbarch *gdbarch, uint32_t insn,
 static int
 thumb2_copy_b_bl_blx (struct gdbarch *gdbarch, uint16_t insn1,
 		      uint16_t insn2, struct regcache *regs,
-		      arm_displaced_step_closure *dsc)
+		      arm_displaced_step_copy_insn_closure *dsc)
 {
   int link = bit (insn2, 14);
   int exchange = link && !bit (insn2, 12);
@@ -5091,7 +5091,7 @@ thumb2_copy_b_bl_blx (struct gdbarch *gdbarch, uint16_t insn1,
 /* Copy B Thumb instructions.  */
 static int
 thumb_copy_b (struct gdbarch *gdbarch, uint16_t insn,
-	      arm_displaced_step_closure *dsc)
+	      arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int cond = 0;
   int offset = 0;
@@ -5129,7 +5129,7 @@ thumb_copy_b (struct gdbarch *gdbarch, uint16_t insn,
 
 static void
 install_bx_blx_reg (struct gdbarch *gdbarch, struct regcache *regs,
-		    arm_displaced_step_closure *dsc, int link,
+		    arm_displaced_step_copy_insn_closure *dsc, int link,
 		    unsigned int cond, unsigned int rm)
 {
   /* Implement {BX,BLX}<cond> <reg>" as:
@@ -5152,7 +5152,7 @@ install_bx_blx_reg (struct gdbarch *gdbarch, struct regcache *regs,
 
 static int
 arm_copy_bx_blx_reg (struct gdbarch *gdbarch, uint32_t insn,
-		     struct regcache *regs, arm_displaced_step_closure *dsc)
+		     regcache *regs, arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int cond = bits (insn, 28, 31);
   /* BX:  x12xxx1x
@@ -5171,7 +5171,7 @@ arm_copy_bx_blx_reg (struct gdbarch *gdbarch, uint32_t insn,
 static int
 thumb_copy_bx_blx_reg (struct gdbarch *gdbarch, uint16_t insn,
 		       struct regcache *regs,
-		       arm_displaced_step_closure *dsc)
+		       arm_displaced_step_copy_insn_closure *dsc)
 {
   int link = bit (insn, 7);
   unsigned int rm = bits (insn, 3, 6);
@@ -5190,7 +5190,7 @@ thumb_copy_bx_blx_reg (struct gdbarch *gdbarch, uint16_t insn,
 
 static void
 cleanup_alu_imm (struct gdbarch *gdbarch,
-		 struct regcache *regs, arm_displaced_step_closure *dsc)
+		 regcache *regs, arm_displaced_step_copy_insn_closure *dsc)
 {
   ULONGEST rd_val = displaced_read_reg (regs, dsc, 0);
   displaced_write_reg (regs, dsc, 0, dsc->tmp[0], CANNOT_WRITE_PC);
@@ -5200,7 +5200,7 @@ cleanup_alu_imm (struct gdbarch *gdbarch,
 
 static int
 arm_copy_alu_imm (struct gdbarch *gdbarch, uint32_t insn, struct regcache *regs,
-		  arm_displaced_step_closure *dsc)
+		  arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int rn = bits (insn, 16, 19);
   unsigned int rd = bits (insn, 12, 15);
@@ -5248,7 +5248,7 @@ arm_copy_alu_imm (struct gdbarch *gdbarch, uint32_t insn, struct regcache *regs,
 static int
 thumb2_copy_alu_imm (struct gdbarch *gdbarch, uint16_t insn1,
 		     uint16_t insn2, struct regcache *regs,
-		     arm_displaced_step_closure *dsc)
+		     arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int op = bits (insn1, 5, 8);
   unsigned int rn, rm, rd;
@@ -5299,7 +5299,7 @@ thumb2_copy_alu_imm (struct gdbarch *gdbarch, uint16_t insn1,
 
 static void
 cleanup_alu_reg (struct gdbarch *gdbarch,
-		 struct regcache *regs, arm_displaced_step_closure *dsc)
+		 regcache *regs, arm_displaced_step_copy_insn_closure *dsc)
 {
   ULONGEST rd_val;
   int i;
@@ -5314,7 +5314,7 @@ cleanup_alu_reg (struct gdbarch *gdbarch,
 
 static void
 install_alu_reg (struct gdbarch *gdbarch, struct regcache *regs,
-		 arm_displaced_step_closure *dsc,
+		 arm_displaced_step_copy_insn_closure *dsc,
 		 unsigned int rd, unsigned int rn, unsigned int rm)
 {
   ULONGEST rd_val, rn_val, rm_val;
@@ -5347,7 +5347,7 @@ install_alu_reg (struct gdbarch *gdbarch, struct regcache *regs,
 
 static int
 arm_copy_alu_reg (struct gdbarch *gdbarch, uint32_t insn, struct regcache *regs,
-		  arm_displaced_step_closure *dsc)
+		  arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int op = bits (insn, 21, 24);
   int is_mov = (op == 0xd);
@@ -5371,7 +5371,7 @@ arm_copy_alu_reg (struct gdbarch *gdbarch, uint32_t insn, struct regcache *regs,
 static int
 thumb_copy_alu_reg (struct gdbarch *gdbarch, uint16_t insn,
 		    struct regcache *regs,
-		    arm_displaced_step_closure *dsc)
+		    arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned rm, rd;
 
@@ -5395,7 +5395,7 @@ thumb_copy_alu_reg (struct gdbarch *gdbarch, uint16_t insn,
 static void
 cleanup_alu_shifted_reg (struct gdbarch *gdbarch,
 			 struct regcache *regs,
-			 arm_displaced_step_closure *dsc)
+			 arm_displaced_step_copy_insn_closure *dsc)
 {
   ULONGEST rd_val = displaced_read_reg (regs, dsc, 0);
   int i;
@@ -5408,7 +5408,7 @@ cleanup_alu_shifted_reg (struct gdbarch *gdbarch,
 
 static void
 install_alu_shifted_reg (struct gdbarch *gdbarch, struct regcache *regs,
-			 arm_displaced_step_closure *dsc,
+			 arm_displaced_step_copy_insn_closure *dsc,
 			 unsigned int rd, unsigned int rn, unsigned int rm,
 			 unsigned rs)
 {
@@ -5447,7 +5447,7 @@ install_alu_shifted_reg (struct gdbarch *gdbarch, struct regcache *regs,
 static int
 arm_copy_alu_shifted_reg (struct gdbarch *gdbarch, uint32_t insn,
 			  struct regcache *regs,
-			  arm_displaced_step_closure *dsc)
+			  arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int op = bits (insn, 21, 24);
   int is_mov = (op == 0xd);
@@ -5479,7 +5479,7 @@ arm_copy_alu_shifted_reg (struct gdbarch *gdbarch, uint32_t insn,
 
 static void
 cleanup_load (struct gdbarch *gdbarch, struct regcache *regs,
-	      arm_displaced_step_closure *dsc)
+	      arm_displaced_step_copy_insn_closure *dsc)
 {
   ULONGEST rt_val, rt_val2 = 0, rn_val;
 
@@ -5508,7 +5508,7 @@ cleanup_load (struct gdbarch *gdbarch, struct regcache *regs,
 
 static void
 cleanup_store (struct gdbarch *gdbarch, struct regcache *regs,
-	       arm_displaced_step_closure *dsc)
+	       arm_displaced_step_copy_insn_closure *dsc)
 {
   ULONGEST rn_val = displaced_read_reg (regs, dsc, 2);
 
@@ -5531,7 +5531,7 @@ cleanup_store (struct gdbarch *gdbarch, struct regcache *regs,
 
 static int
 arm_copy_extra_ld_st (struct gdbarch *gdbarch, uint32_t insn, int unprivileged,
-		      struct regcache *regs, arm_displaced_step_closure *dsc)
+		      regcache *regs, arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int op1 = bits (insn, 20, 24);
   unsigned int op2 = bits (insn, 5, 6);
@@ -5604,7 +5604,7 @@ arm_copy_extra_ld_st (struct gdbarch *gdbarch, uint32_t insn, int unprivileged,
 
 static void
 install_load_store (struct gdbarch *gdbarch, struct regcache *regs,
-		    arm_displaced_step_closure *dsc, int load,
+		    arm_displaced_step_copy_insn_closure *dsc, int load,
 		    int immed, int writeback, int size, int usermode,
 		    int rt, int rm, int rn)
 {
@@ -5660,7 +5660,7 @@ install_load_store (struct gdbarch *gdbarch, struct regcache *regs,
 static int
 thumb2_copy_load_literal (struct gdbarch *gdbarch, uint16_t insn1,
 			  uint16_t insn2, struct regcache *regs,
-			  arm_displaced_step_closure *dsc, int size)
+			  arm_displaced_step_copy_insn_closure *dsc, int size)
 {
   unsigned int u_bit = bit (insn1, 7);
   unsigned int rt = bits (insn2, 12, 15);
@@ -5714,7 +5714,7 @@ thumb2_copy_load_literal (struct gdbarch *gdbarch, uint16_t insn1,
 static int
 thumb2_copy_load_reg_imm (struct gdbarch *gdbarch, uint16_t insn1,
 			  uint16_t insn2, struct regcache *regs,
-			  arm_displaced_step_closure *dsc,
+			  arm_displaced_step_copy_insn_closure *dsc,
 			  int writeback, int immed)
 {
   unsigned int rt = bits (insn2, 12, 15);
@@ -5761,7 +5761,7 @@ thumb2_copy_load_reg_imm (struct gdbarch *gdbarch, uint16_t insn1,
 static int
 arm_copy_ldr_str_ldrb_strb (struct gdbarch *gdbarch, uint32_t insn,
 			    struct regcache *regs,
-			    arm_displaced_step_closure *dsc,
+			    arm_displaced_step_copy_insn_closure *dsc,
 			    int load, int size, int usermode)
 {
   int immed = !bit (insn, 25);
@@ -5844,7 +5844,7 @@ arm_copy_ldr_str_ldrb_strb (struct gdbarch *gdbarch, uint32_t insn,
 
 static void
 cleanup_block_load_all (struct gdbarch *gdbarch, struct regcache *regs,
-			arm_displaced_step_closure *dsc)
+			arm_displaced_step_copy_insn_closure *dsc)
 {
   int inc = dsc->u.block.increment;
   int bump_before = dsc->u.block.before ? (inc ? 4 : -4) : 0;
@@ -5904,7 +5904,7 @@ cleanup_block_load_all (struct gdbarch *gdbarch, struct regcache *regs,
 
 static void
 cleanup_block_store_pc (struct gdbarch *gdbarch, struct regcache *regs,
-			arm_displaced_step_closure *dsc)
+			arm_displaced_step_copy_insn_closure *dsc)
 {
   uint32_t status = displaced_read_reg (regs, dsc, ARM_PS_REGNUM);
   int store_executed = condition_true (dsc->u.block.cond, status);
@@ -5955,7 +5955,7 @@ cleanup_block_store_pc (struct gdbarch *gdbarch, struct regcache *regs,
 static void
 cleanup_block_load_pc (struct gdbarch *gdbarch,
 		       struct regcache *regs,
-		       arm_displaced_step_closure *dsc)
+		       arm_displaced_step_copy_insn_closure *dsc)
 {
   uint32_t status = displaced_read_reg (regs, dsc, ARM_PS_REGNUM);
   int load_executed = condition_true (dsc->u.block.cond, status);
@@ -6031,7 +6031,7 @@ cleanup_block_load_pc (struct gdbarch *gdbarch,
 static int
 arm_copy_block_xfer (struct gdbarch *gdbarch, uint32_t insn,
 		     struct regcache *regs,
-		     arm_displaced_step_closure *dsc)
+		     arm_displaced_step_copy_insn_closure *dsc)
 {
   int load = bit (insn, 20);
   int user = bit (insn, 22);
@@ -6143,7 +6143,7 @@ arm_copy_block_xfer (struct gdbarch *gdbarch, uint32_t insn,
 static int
 thumb2_copy_block_xfer (struct gdbarch *gdbarch, uint16_t insn1, uint16_t insn2,
 			struct regcache *regs,
-			arm_displaced_step_closure *dsc)
+			arm_displaced_step_copy_insn_closure *dsc)
 {
   int rn = bits (insn1, 0, 3);
   int load = bit (insn1, 4);
@@ -6287,7 +6287,7 @@ arm_software_single_step (struct regcache *regcache)
 
 static void
 cleanup_svc (struct gdbarch *gdbarch, struct regcache *regs,
-	     arm_displaced_step_closure *dsc)
+	     arm_displaced_step_copy_insn_closure *dsc)
 {
   CORE_ADDR resume_addr = dsc->insn_addr + dsc->insn_size;
 
@@ -6302,7 +6302,7 @@ cleanup_svc (struct gdbarch *gdbarch, struct regcache *regs,
 
 static int
 install_svc (struct gdbarch *gdbarch, struct regcache *regs,
-	     arm_displaced_step_closure *dsc)
+	     arm_displaced_step_copy_insn_closure *dsc)
 {
   /* Preparation: none.
      Insn: unmodified svc.
@@ -6324,7 +6324,7 @@ install_svc (struct gdbarch *gdbarch, struct regcache *regs,
 
 static int
 arm_copy_svc (struct gdbarch *gdbarch, uint32_t insn,
-	      struct regcache *regs, arm_displaced_step_closure *dsc)
+	      regcache *regs, arm_displaced_step_copy_insn_closure *dsc)
 {
 
   displaced_debug_printf ("copying svc insn %.8lx",
@@ -6337,7 +6337,7 @@ arm_copy_svc (struct gdbarch *gdbarch, uint32_t insn,
 
 static int
 thumb_copy_svc (struct gdbarch *gdbarch, uint16_t insn,
-		struct regcache *regs, arm_displaced_step_closure *dsc)
+		regcache *regs, arm_displaced_step_copy_insn_closure *dsc)
 {
 
   displaced_debug_printf ("copying svc insn %.4x", insn);
@@ -6351,7 +6351,7 @@ thumb_copy_svc (struct gdbarch *gdbarch, uint16_t insn,
 
 static int
 arm_copy_undef (struct gdbarch *gdbarch, uint32_t insn,
-		arm_displaced_step_closure *dsc)
+		arm_displaced_step_copy_insn_closure *dsc)
 {
   displaced_debug_printf ("copying undefined insn %.8lx",
 			  (unsigned long) insn);
@@ -6363,7 +6363,7 @@ arm_copy_undef (struct gdbarch *gdbarch, uint32_t insn,
 
 static int
 thumb_32bit_copy_undef (struct gdbarch *gdbarch, uint16_t insn1, uint16_t insn2,
-		       arm_displaced_step_closure *dsc)
+			arm_displaced_step_copy_insn_closure *dsc)
 {
 
   displaced_debug_printf ("copying undefined insn %.4x %.4x",
@@ -6380,7 +6380,7 @@ thumb_32bit_copy_undef (struct gdbarch *gdbarch, uint16_t insn1, uint16_t insn2,
 
 static int
 arm_copy_unpred (struct gdbarch *gdbarch, uint32_t insn,
-		 arm_displaced_step_closure *dsc)
+		 arm_displaced_step_copy_insn_closure *dsc)
 {
   displaced_debug_printf ("copying unpredictable insn %.8lx",
 			  (unsigned long) insn);
@@ -6396,7 +6396,7 @@ arm_copy_unpred (struct gdbarch *gdbarch, uint32_t insn,
 static int
 arm_decode_misc_memhint_neon (struct gdbarch *gdbarch, uint32_t insn,
 			      struct regcache *regs,
-			      arm_displaced_step_closure *dsc)
+			      arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int op1 = bits (insn, 20, 26), op2 = bits (insn, 4, 7);
   unsigned int rn = bits (insn, 16, 19);
@@ -6456,7 +6456,7 @@ arm_decode_misc_memhint_neon (struct gdbarch *gdbarch, uint32_t insn,
 static int
 arm_decode_unconditional (struct gdbarch *gdbarch, uint32_t insn,
 			  struct regcache *regs,
-			  arm_displaced_step_closure *dsc)
+			  arm_displaced_step_copy_insn_closure *dsc)
 {
   if (bit (insn, 27) == 0)
     return arm_decode_misc_memhint_neon (gdbarch, insn, regs, dsc);
@@ -6541,7 +6541,7 @@ arm_decode_unconditional (struct gdbarch *gdbarch, uint32_t insn,
 static int
 arm_decode_miscellaneous (struct gdbarch *gdbarch, uint32_t insn,
 			  struct regcache *regs,
-			  arm_displaced_step_closure *dsc)
+			  arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int op2 = bits (insn, 4, 6);
   unsigned int op = bits (insn, 21, 22);
@@ -6592,7 +6592,7 @@ arm_decode_miscellaneous (struct gdbarch *gdbarch, uint32_t insn,
 static int
 arm_decode_dp_misc (struct gdbarch *gdbarch, uint32_t insn,
 		    struct regcache *regs,
-		    arm_displaced_step_closure *dsc)
+		    arm_displaced_step_copy_insn_closure *dsc)
 {
   if (bit (insn, 25))
     switch (bits (insn, 20, 24))
@@ -6638,7 +6638,7 @@ arm_decode_dp_misc (struct gdbarch *gdbarch, uint32_t insn,
 static int
 arm_decode_ld_st_word_ubyte (struct gdbarch *gdbarch, uint32_t insn,
 			     struct regcache *regs,
-			     arm_displaced_step_closure *dsc)
+			     arm_displaced_step_copy_insn_closure *dsc)
 {
   int a = bit (insn, 25), b = bit (insn, 4);
   uint32_t op1 = bits (insn, 20, 24);
@@ -6674,7 +6674,7 @@ arm_decode_ld_st_word_ubyte (struct gdbarch *gdbarch, uint32_t insn,
 
 static int
 arm_decode_media (struct gdbarch *gdbarch, uint32_t insn,
-		  arm_displaced_step_closure *dsc)
+		  arm_displaced_step_copy_insn_closure *dsc)
 {
   switch (bits (insn, 20, 24))
     {
@@ -6731,7 +6731,7 @@ arm_decode_media (struct gdbarch *gdbarch, uint32_t insn,
 static int
 arm_decode_b_bl_ldmstm (struct gdbarch *gdbarch, uint32_t insn,
 			struct regcache *regs,
-			arm_displaced_step_closure *dsc)
+			arm_displaced_step_copy_insn_closure *dsc)
 {
   if (bit (insn, 25))
     return arm_copy_b_bl_blx (gdbarch, insn, regs, dsc);
@@ -6742,7 +6742,7 @@ arm_decode_b_bl_ldmstm (struct gdbarch *gdbarch, uint32_t insn,
 static int
 arm_decode_ext_reg_ld_st (struct gdbarch *gdbarch, uint32_t insn,
 			  struct regcache *regs,
-			  arm_displaced_step_closure *dsc)
+			  arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int opcode = bits (insn, 20, 24);
 
@@ -6775,7 +6775,7 @@ arm_decode_ext_reg_ld_st (struct gdbarch *gdbarch, uint32_t insn,
 static int
 thumb2_decode_dp_shift_reg (struct gdbarch *gdbarch, uint16_t insn1,
 			    uint16_t insn2,  struct regcache *regs,
-			    arm_displaced_step_closure *dsc)
+			    arm_displaced_step_copy_insn_closure *dsc)
 {
   /* PC is only allowed to be used in instruction MOV.  */
 
@@ -6796,7 +6796,7 @@ thumb2_decode_dp_shift_reg (struct gdbarch *gdbarch, uint16_t insn1,
 static int
 thumb2_decode_ext_reg_ld_st (struct gdbarch *gdbarch, uint16_t insn1,
 			     uint16_t insn2,  struct regcache *regs,
-			     arm_displaced_step_closure *dsc)
+			     arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int opcode = bits (insn1, 4, 8);
 
@@ -6831,7 +6831,7 @@ thumb2_decode_ext_reg_ld_st (struct gdbarch *gdbarch, uint16_t insn1,
 
 static int
 arm_decode_svc_copro (struct gdbarch *gdbarch, uint32_t insn,
-		      struct regcache *regs, arm_displaced_step_closure *dsc)
+		      regcache *regs, arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int op1 = bits (insn, 20, 25);
   int op = bit (insn, 4);
@@ -6877,7 +6877,7 @@ arm_decode_svc_copro (struct gdbarch *gdbarch, uint32_t insn,
 static int
 thumb2_decode_svc_copro (struct gdbarch *gdbarch, uint16_t insn1,
 			 uint16_t insn2, struct regcache *regs,
-			 arm_displaced_step_closure *dsc)
+			 arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int coproc = bits (insn2, 8, 11);
   unsigned int bit_5_8 = bits (insn1, 5, 8);
@@ -6917,7 +6917,7 @@ thumb2_decode_svc_copro (struct gdbarch *gdbarch, uint16_t insn1,
 
 static void
 install_pc_relative (struct gdbarch *gdbarch, struct regcache *regs,
-		     arm_displaced_step_closure *dsc, int rd)
+		     arm_displaced_step_copy_insn_closure *dsc, int rd)
 {
   /* ADR Rd, #imm
 
@@ -6935,7 +6935,7 @@ install_pc_relative (struct gdbarch *gdbarch, struct regcache *regs,
 
 static int
 thumb_copy_pc_relative_16bit (struct gdbarch *gdbarch, struct regcache *regs,
-			      arm_displaced_step_closure *dsc,
+			      arm_displaced_step_copy_insn_closure *dsc,
 			      int rd, unsigned int imm)
 {
 
@@ -6950,7 +6950,7 @@ thumb_copy_pc_relative_16bit (struct gdbarch *gdbarch, struct regcache *regs,
 static int
 thumb_decode_pc_relative_16bit (struct gdbarch *gdbarch, uint16_t insn,
 				struct regcache *regs,
-				arm_displaced_step_closure *dsc)
+				arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int rd = bits (insn, 8, 10);
   unsigned int imm8 = bits (insn, 0, 7);
@@ -6964,7 +6964,7 @@ thumb_decode_pc_relative_16bit (struct gdbarch *gdbarch, uint16_t insn,
 static int
 thumb_copy_pc_relative_32bit (struct gdbarch *gdbarch, uint16_t insn1,
 			      uint16_t insn2, struct regcache *regs,
-			      arm_displaced_step_closure *dsc)
+			      arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int rd = bits (insn2, 8, 11);
   /* Since immediate has the same encoding in ADR ADD and SUB, so we simply
@@ -6999,7 +6999,7 @@ thumb_copy_pc_relative_32bit (struct gdbarch *gdbarch, uint16_t insn1,
 static int
 thumb_copy_16bit_ldr_literal (struct gdbarch *gdbarch, uint16_t insn1,
 			      struct regcache *regs,
-			      arm_displaced_step_closure *dsc)
+			      arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned int rt = bits (insn1, 8, 10);
   unsigned int pc;
@@ -7046,7 +7046,7 @@ thumb_copy_16bit_ldr_literal (struct gdbarch *gdbarch, uint16_t insn1,
 static int
 thumb_copy_cbnz_cbz (struct gdbarch *gdbarch, uint16_t insn1,
 		     struct regcache *regs,
-		     arm_displaced_step_closure *dsc)
+		     arm_displaced_step_copy_insn_closure *dsc)
 {
   int non_zero = bit (insn1, 11);
   unsigned int imm5 = (bit (insn1, 9) << 6) | (bits (insn1, 3, 7) << 1);
@@ -7083,7 +7083,7 @@ thumb_copy_cbnz_cbz (struct gdbarch *gdbarch, uint16_t insn1,
 static int
 thumb2_copy_table_branch (struct gdbarch *gdbarch, uint16_t insn1,
 			  uint16_t insn2, struct regcache *regs,
-			  arm_displaced_step_closure *dsc)
+			  arm_displaced_step_copy_insn_closure *dsc)
 {
   ULONGEST rn_val, rm_val;
   int is_tbh = bit (insn2, 4);
@@ -7125,7 +7125,7 @@ thumb2_copy_table_branch (struct gdbarch *gdbarch, uint16_t insn1,
 
 static void
 cleanup_pop_pc_16bit_all (struct gdbarch *gdbarch, struct regcache *regs,
-			  arm_displaced_step_closure *dsc)
+			  arm_displaced_step_copy_insn_closure *dsc)
 {
   /* PC <- r7 */
   int val = displaced_read_reg (regs, dsc, 7);
@@ -7143,7 +7143,7 @@ cleanup_pop_pc_16bit_all (struct gdbarch *gdbarch, struct regcache *regs,
 static int
 thumb_copy_pop_pc_16bit (struct gdbarch *gdbarch, uint16_t insn1,
 			 struct regcache *regs,
-			 arm_displaced_step_closure *dsc)
+			 arm_displaced_step_copy_insn_closure *dsc)
 {
   dsc->u.block.regmask = insn1 & 0x00ff;
 
@@ -7212,7 +7212,7 @@ thumb_copy_pop_pc_16bit (struct gdbarch *gdbarch, uint16_t insn1,
 static void
 thumb_process_displaced_16bit_insn (struct gdbarch *gdbarch, uint16_t insn1,
 				    struct regcache *regs,
-				    arm_displaced_step_closure *dsc)
+				    arm_displaced_step_copy_insn_closure *dsc)
 {
   unsigned short op_bit_12_15 = bits (insn1, 12, 15);
   unsigned short op_bit_10_11 = bits (insn1, 10, 11);
@@ -7316,7 +7316,7 @@ static int
 decode_thumb_32bit_ld_mem_hints (struct gdbarch *gdbarch,
 				 uint16_t insn1, uint16_t insn2,
 				 struct regcache *regs,
-				 arm_displaced_step_closure *dsc)
+				 arm_displaced_step_copy_insn_closure *dsc)
 {
   int rt = bits (insn2, 12, 15);
   int rn = bits (insn1, 0, 3);
@@ -7395,7 +7395,7 @@ decode_thumb_32bit_ld_mem_hints (struct gdbarch *gdbarch,
 static void
 thumb_process_displaced_32bit_insn (struct gdbarch *gdbarch, uint16_t insn1,
 				    uint16_t insn2, struct regcache *regs,
-				    arm_displaced_step_closure *dsc)
+				    arm_displaced_step_copy_insn_closure *dsc)
 {
   int err = 0;
   unsigned short op = bit (insn2, 15);
@@ -7523,7 +7523,7 @@ thumb_process_displaced_32bit_insn (struct gdbarch *gdbarch, uint16_t insn1,
 static void
 thumb_process_displaced_insn (struct gdbarch *gdbarch, CORE_ADDR from,
 			      struct regcache *regs,
-			      arm_displaced_step_closure *dsc)
+			      arm_displaced_step_copy_insn_closure *dsc)
 {
   enum bfd_endian byte_order_for_code = gdbarch_byte_order_for_code (gdbarch);
   uint16_t insn1
@@ -7547,7 +7547,7 @@ thumb_process_displaced_insn (struct gdbarch *gdbarch, CORE_ADDR from,
 void
 arm_process_displaced_insn (struct gdbarch *gdbarch, CORE_ADDR from,
 			    CORE_ADDR to, struct regcache *regs,
-			    arm_displaced_step_closure *dsc)
+			    arm_displaced_step_copy_insn_closure *dsc)
 {
   int err = 0;
   enum bfd_endian byte_order_for_code = gdbarch_byte_order_for_code (gdbarch);
@@ -7604,7 +7604,8 @@ arm_process_displaced_insn (struct gdbarch *gdbarch, CORE_ADDR from,
 
 void
 arm_displaced_init_closure (struct gdbarch *gdbarch, CORE_ADDR from,
-			    CORE_ADDR to, arm_displaced_step_closure *dsc)
+			    CORE_ADDR to,
+			    arm_displaced_step_copy_insn_closure *dsc)
 {
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
   unsigned int i, len, offset;
@@ -7654,11 +7655,12 @@ arm_displaced_init_closure (struct gdbarch *gdbarch, CORE_ADDR from,
 
 void
 arm_displaced_step_fixup (struct gdbarch *gdbarch,
-			  struct displaced_step_closure *dsc_,
+			  struct displaced_step_copy_insn_closure *dsc_,
 			  CORE_ADDR from, CORE_ADDR to,
 			  struct regcache *regs)
 {
-  arm_displaced_step_closure *dsc = (arm_displaced_step_closure *) dsc_;
+  arm_displaced_step_copy_insn_closure *dsc
+    = (arm_displaced_step_copy_insn_closure *) dsc_;
 
   if (dsc->cleanup)
     dsc->cleanup (gdbarch, regs, dsc);