* i386-tdep.c: Fix spelling mistakes.

[deliverable/binutils-gdb.git] / opcodes / xstormy16-asm.c

diff --git a/opcodes/xstormy16-asm.c b/opcodes/xstormy16-asm.c
index 3f26b18562ccb9ada3eedd540961bc82033153dc..618e33b2f07539933b4b5fc8222657bee66a3e70 100644 (file)
--- a/opcodes/xstormy16-asm.c
+++ b/opcodes/xstormy16-asm.c
@@ -43,7 +43,7 @@ along with this program; if not, write to the Free Software Foundation, Inc.,
 #define max(a,b) ((a) > (b) ? (a) : (b))
 
 static const char * parse_insn_normal
-     PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *));
+  (CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *);
 \f
 /* -- assembler routines inserted here.  */
 
@@ -52,6 +52,8 @@ static const char * parse_mem8
   PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *));
 static const char * parse_small_immediate
   PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *));
+static const char * parse_immediate16
+  PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *));
 
 /* The machine-independent code doesn't know how to disambiguate
      mov (foo),r3
@@ -73,7 +75,7 @@ parse_mem8 (cd, strp, opindex, valuep)
       if (s[1] == '-' && s[2] == '-')
        return _("Bad register in preincrement");
 
-      while (isalnum (*++s))
+      while (ISALNUM (*++s))
        ;
       if (s[0] == '+' && s[1] == '+' && (s[2] == ')' || s[2] == ','))
        return _("Bad register in postincrement");
@@ -109,6 +111,9 @@ parse_small_immediate (cd, strp, opindex, valuep)
   enum cgen_parse_operand_result result;
   const char *errmsg;
 
+  if (**strp == '@')
+    return _("No relocation for small immediate");
+
   errmsg = (* cd->parse_operand_fn)
     (cd, CGEN_PARSE_OPERAND_INTEGER, strp, opindex, BFD_RELOC_NONE,
      &result, &value);
@@ -122,6 +127,54 @@ parse_small_immediate (cd, strp, opindex, valuep)
   *valuep = value;
   return NULL;
 }
+
+/* Literal scan be either a normal literal, a @hi() or @lo relocation. */
+   
+static const char *
+parse_immediate16 (cd, strp, opindex, valuep)
+     CGEN_CPU_DESC cd;
+     const char **strp;
+     int opindex;
+     unsigned long *valuep;
+{
+  const char *errmsg;
+  enum cgen_parse_operand_result result;
+  bfd_reloc_code_real_type code = BFD_RELOC_NONE;
+  bfd_vma value;
+
+  if (strncmp (*strp, "@hi(", 4) == 0)
+    {
+      *strp += 4;
+      code = BFD_RELOC_HI16;
+    }
+  else
+  if (strncmp (*strp, "@lo(", 4) == 0)
+    {
+      *strp += 4;
+      code = BFD_RELOC_LO16;
+    }
+
+  if (code == BFD_RELOC_NONE)
+    errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, valuep);
+  else
+    {
+      errmsg = cgen_parse_address (cd, strp, opindex, code, &result, &value);
+      if ((errmsg == NULL) &&
+         (result != CGEN_PARSE_OPERAND_RESULT_QUEUED))
+       errmsg = _("Operand is not a symbol");
+
+      *valuep = value;
+      if ((code == BFD_RELOC_HI16 || code == BFD_RELOC_LO16)
+         && **strp == ')')        
+       *strp += 1;
+      else
+        {
+         errmsg = _("Syntax error: No trailing ')'");
+         return errmsg;
+       }
+    }
+  return errmsg;
+}
 /* -- */
 
 const char * xstormy16_cgen_parse_operand
@@ -187,7 +240,7 @@ xstormy16_cgen_parse_operand (cd, opindex, strp, fields)
       errmsg = cgen_parse_signed_integer (cd, strp, XSTORMY16_OPERAND_IMM12, &fields->f_imm12);
       break;
     case XSTORMY16_OPERAND_IMM16 :
-      errmsg = cgen_parse_unsigned_integer (cd, strp, XSTORMY16_OPERAND_IMM16, &fields->f_imm16);
+      errmsg = parse_immediate16 (cd, strp, XSTORMY16_OPERAND_IMM16, &fields->f_imm16);
       break;
     case XSTORMY16_OPERAND_IMM2 :
       errmsg = cgen_parse_unsigned_integer (cd, strp, XSTORMY16_OPERAND_IMM2, &fields->f_imm2);
@@ -264,8 +317,7 @@ xstormy16_cgen_init_asm (cd)
    Returns NULL for success, an error message for failure.  */
 
 char * 
-xstormy16_cgen_build_insn_regex (insn)
-     CGEN_INSN *insn;
+xstormy16_cgen_build_insn_regex (CGEN_INSN *insn)
 {  
   CGEN_OPCODE *opc = (CGEN_OPCODE *) CGEN_INSN_OPCODE (insn);
   const char *mnem = CGEN_INSN_MNEMONIC (insn);
@@ -388,11 +440,10 @@ xstormy16_cgen_build_insn_regex (insn)
    Returns NULL for success, an error message for failure.  */
 
 static const char *
-parse_insn_normal (cd, insn, strp, fields)
-     CGEN_CPU_DESC cd;
-     const CGEN_INSN *insn;
-     const char **strp;
-     CGEN_FIELDS *fields;
+parse_insn_normal (CGEN_CPU_DESC cd,
+                  const CGEN_INSN *insn,
+                  const char **strp,
+                  CGEN_FIELDS *fields)
 {
   /* ??? Runtime added insns not handled yet.  */
   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
@@ -479,7 +530,7 @@ parse_insn_normal (cd, insn, strp, fields)
        }
 
       /* We have an operand of some sort.  */
-      errmsg = xstormy16_cgen_parse_operand (cd, CGEN_SYNTAX_FIELD (*syn),
+      errmsg = cd->parse_operand (cd, CGEN_SYNTAX_FIELD (*syn),
                                          &str, fields);
       if (errmsg)
        return errmsg;
@@ -530,12 +581,11 @@ parse_insn_normal (cd, insn, strp, fields)
    mind helps keep the design clean.  */
 
 const CGEN_INSN *
-xstormy16_cgen_assemble_insn (cd, str, fields, buf, errmsg)
-     CGEN_CPU_DESC cd;
-     const char *str;
-     CGEN_FIELDS *fields;
-     CGEN_INSN_BYTES_PTR buf;
-     char **errmsg;
+xstormy16_cgen_assemble_insn (CGEN_CPU_DESC cd,
+                          const char *str,
+                          CGEN_FIELDS *fields,
+                          CGEN_INSN_BYTES_PTR buf,
+                          char **errmsg)
 {
   const char *start;
   CGEN_INSN_LIST *ilist;
@@ -565,10 +615,10 @@ xstormy16_cgen_assemble_insn (cd, str, fields, buf, errmsg)
       if (! xstormy16_cgen_insn_supported (cd, insn))
        continue;
 #endif
-      /* If the RELAX attribute is set, this is an insn that shouldn't be
+      /* If the RELAXED attribute is set, this is an insn that shouldn't be
         chosen immediately.  Instead, it is used during assembler/linker
         relaxation if possible.  */
-      if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAX) != 0)
+      if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED) != 0)
        continue;
 
       str = start;
@@ -639,9 +689,7 @@ xstormy16_cgen_assemble_insn (cd, str, fields, buf, errmsg)
    FIXME: Not currently used.  */
 
 void
-xstormy16_cgen_asm_hash_keywords (cd, opvals)
-     CGEN_CPU_DESC cd;
-     CGEN_KEYWORD *opvals;
+xstormy16_cgen_asm_hash_keywords (CGEN_CPU_DESC cd, CGEN_KEYWORD *opvals)
 {
   CGEN_KEYWORD_SEARCH search = cgen_keyword_search_init (opvals, NULL);
   const CGEN_KEYWORD_ENTRY * ke;