Add const qualifiers at various places.

opcodes	* mcore-opc.h: Add const qualifiers.
	* microblaze-opc.h (struct op_code_struct): Likewise.
	* sh-opc.h: Likewise.
	* tic4x-dis.c (tic4x_print_indirect): Likewise.
	(tic4x_print_op): Likewise.

include	* opcode/dlx.h (struct dlx_opcode): Add const qualifiers.
	* opcode/h8300.h (struct h8_opcode): Likewise.
	* opcode/hppa.h (struct pa_opcode): Likewise.
	* opcode/msp430.h: Likewise.
	* opcode/spu.h (struct spu_opcode): Likewise.
	* opcode/tic30.h (struct _register): Likewise.
	* opcode/tic4x.h (struct tic4x_register): Likewise.
	(struct tic4x_cond): Likewise.
	(struct tic4x_indirect): Likewise.
	(struct tic4x_inst): Likewise.
	* opcode/visium.h (struct reg_entry): Likewise.

gas	* config/tc-arc.c: Add const qualifiers.
	* config/tc-h8300.c (md_begin): Likewise.
	* config/tc-ia64.c (print_prmask): Likewise.
	* config/tc-msp430.c (msp430_operands): Likewise.
	* config/tc-nds32.c (struct suffix_name): Likewise.
	(struct nds32_parse_option_table): Likewise.
	(struct nds32_set_option_table): Likewise.
	(do_pseudo_pushpopm): Likewise.
	(do_pseudo_pushpop_stack): Likewise.
	(nds32_relax_relocs): Likewise.
	(nds32_flag): Likewise.
	(struct nds32_hint_map): Likewise.
	(nds32_find_reloc_table): Likewise.
	(nds32_match_hint_insn): Likewise.
	* config/tc-s390.c: Likewise.
	* config/tc-sh.c (get_specific): Likewise.
	* config/tc-tic30.c: Likewise.
	* config/tc-tic4x.c (tic4x_inst_add): Likewise.
	(tic4x_indirect_parse): Likewise.
	* config/tc-vax.c (vax_cons): Likewise.
	* config/tc-z80.c (struct reg_entry): Likewise.
	* config/tc-epiphany.c (md_assemble): Adjust.
	(epiphany_assemble): New function.
	(epiphany_elf_section_rtn): Call do_align directly.
	(epiphany_elf_section_text): Likewise.
	* config/tc-ip2k.c (ip2k_elf_section_rtn): Likewise.
	(ip2k_elf_section_text): Likewise.
	* read.c (do_align): Make it not static.
	* read.h (do_align): New prototype.

include/opcode/dlx.h

@@ -143,7 +143,7 @@
 struct dlx_opcode
 {
   /* Name of the instruction.  */
-  char *name;
+  const char *name;
 
   /* Opcode word.  */
   unsigned long opcode;
@@ -161,7 +161,7 @@ struct dlx_opcode
      D	      An immediate operand is in bits 0-25 of the instruction.
      N	      No opperands needed, for nops.
      P	      it can be a register or a 16 bit operand.  */
-  char *args;
+  const char *args;
 };
 
 static const struct dlx_opcode dlx_opcodes[] =

include/opcode/h8300.h

@@ -261,7 +261,7 @@ struct h8_opcode
   int how;
   enum h8_model available;
   int time;
-  char *name;
+  const char *name;
   struct arg args;
   struct code data;
 };

include/opcode/hppa.h

@@ -42,7 +42,7 @@ struct pa_opcode
     const char *name;
     unsigned long int match;	/* Bits that must be set...  */
     unsigned long int mask;	/* ... in these bits. */
-    char *args;
+    const char *args;
     enum pa_arch arch;
     char flags;
 };

include/opcode/msp430.h

@@ -45,7 +45,7 @@ struct msp430_operand_s
 
 struct  msp430_opcode_s
 {
-  char *name;
+  const char *name;
   int fmt;
   int insn_opnumb;
   int bin_opcode;

include/opcode/spu.h

@@ -83,7 +83,7 @@ struct spu_opcode
 {
    spu_iformat insn_type;
    unsigned int opcode;
-   char *mnemonic;
+   const char *mnemonic;
    int arg[5];
 };
 

include/opcode/tic30.h

@@ -27,7 +27,7 @@
 
 struct _register
 {
-  char *name;
+  const char *name;
   unsigned char opcode;
   unsigned char regtype;
 };
@@ -135,7 +135,7 @@ static const reg *const tic30_regtab_end
 #define PostIR0_Add_BitRev 0x19
 
 typedef struct {
-  char *syntax;
+  const char *syntax;
   unsigned char modfield;
   unsigned char displacement;
 } ind_addr_type;
@@ -215,7 +215,7 @@ static const ind_addr_type *const tic30_indaddrtab_end
 
 typedef struct _template
 {
-  char *name;
+  const char *name;
   unsigned int operands; /* how many operands */
   unsigned int base_opcode; /* base_opcode is the fundamental opcode byte */
   /* the bits in opcode_modifier are used to generate the final opcode from
@@ -608,7 +608,7 @@ static const insn_template *const tic30_optab_end =
   tic30_optab + sizeof(tic30_optab)/sizeof(tic30_optab[0]);
 
 typedef struct {
-  char *name;
+  const char *name;
   unsigned int operands_1;
   unsigned int operands_2;
   unsigned int base_opcode;

include/opcode/tic4x.h

@@ -58,7 +58,7 @@ c4x_reg_t;
 
 struct tic4x_register
 {
-  char *        name;
+  const char *  name;
   unsigned long regno;
 };
 
@@ -131,7 +131,7 @@ const unsigned int tic4x_num_registers = (((sizeof tic4x_registers) / (sizeof ti
 
 struct tic4x_cond
 {
-  char *        name;
+  const char *  name;
   unsigned long cond;
 };
 
@@ -171,7 +171,7 @@ const unsigned int tic4x_num_conds = (((sizeof tic4x_conds) / (sizeof tic4x_cond
 
 struct tic4x_indirect
 {
-  char *        name;
+  const char *  name;
   unsigned long modn;
 };
 
@@ -223,7 +223,7 @@ const unsigned int tic4x_num_indirects = (((sizeof tic4x_indirects) / (sizeof ti
 /* Instruction template.  */
 struct tic4x_inst
 {
-  char *        name;
+  const char *  name;
   unsigned long opcode;
   unsigned long opmask;
   char *        args;

include/opcode/visium.h

@@ -100,7 +100,7 @@ enum visium_opcode_arch_val
 
 struct reg_entry
 {
-  char *name;
+  const char *name;
   unsigned char code;
 };
 
@@ -164,7 +164,7 @@ static const struct reg_entry fp_reg_table[] ATTRIBUTE_UNUSED =
 
 static const struct cc_entry
 {
-  char *name;
+  const char *name;
   int code;
 } cc_table [] ATTRIBUTE_UNUSED =
 {
@@ -224,7 +224,7 @@ enum addressing_mode
 
 static const struct opcode_entry
 {
-  char *mnem;
+  const char *mnem;
   enum addressing_mode mode;
   unsigned code;
   char flags;