Keep that in mind. */
#include "sysdep.h"
-#include <ctype.h>
#include <stdio.h>
#include "ansidecl.h"
#include "bfd.h"
#include "opintl.h"
#include "xregex.h"
#include "libiberty.h"
+#include "safe-ctype.h"
-#undef min
+#undef min
#define min(a,b) ((a) < (b) ? (a) : (b))
-#undef max
+#undef max
#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 */
+/* -- assembler routines inserted here. */
/* -- asm.c */
openrisc_sign_extend_16bit (value)
long value;
{
- return (long) (short) value;
+ return ((value & 0xffff) ^ 0x8000) - 0x8000;
}
/* Handle hi(). */
{
const char *errmsg;
enum cgen_parse_operand_result result_type;
- bfd_vma value;
+ unsigned long ret;
if (**strp == '#')
++*strp;
if (strncasecmp (*strp, "hi(", 3) == 0)
{
- *strp += 3;
+ bfd_vma value;
+ *strp += 3;
#if 0
errmsg = cgen_parse_signed_integer (cd, strp, opindex, valuep);
if (errmsg != NULL)
errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_HI16,
&result_type, &value);
if (**strp != ')')
- return "missing `)'";
+ return _("missing `)'");
+
++*strp;
if (errmsg == NULL
&& result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
value >>= 16;
- *valuep = (long) (short) value;
-
- return errmsg;
+ ret = value;
}
else
{
if (**strp == '-')
- errmsg = cgen_parse_signed_integer (cd, strp, opindex, (long *) &value);
+ {
+ long value;
+ errmsg = cgen_parse_signed_integer (cd, strp, opindex, &value);
+ ret = value;
+ }
else
- errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, (unsigned long *) &value);
+ {
+ unsigned long value;
+ errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, &value);
+ ret = value;
+ }
}
- *valuep = (long) (short) (value & 0xffff);
+
+ *valuep = ((ret & 0xffff) ^ 0x8000) - 0x8000;
return errmsg;
}
{
const char *errmsg;
enum cgen_parse_operand_result result_type;
- bfd_vma value;
+ unsigned long ret;
if (**strp == '#')
++*strp;
if (strncasecmp (*strp, "lo(", 3) == 0)
{
- *strp += 3;
+ bfd_vma value;
+ *strp += 3;
#if 0
errmsg = cgen_parse_signed_integer (cd, strp, opindex, valuep);
if (errmsg != NULL)
errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LO16,
&result_type, &value);
if (**strp != ')')
- return "missing `)'";
- ++*strp;
- if (errmsg == NULL
- && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
- value &= 0xffff;
- *valuep = (long) (short) value;
+ return _("missing `)'");
- return errmsg;
+ ++*strp;
+ ret = value;
}
-
- if (**strp == '-')
- errmsg = cgen_parse_signed_integer (cd, strp, opindex, (long *) &value);
else
- errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, (unsigned long *) &value);
- *valuep = (long) (short) (value & 0xffff);
+ {
+ if (**strp == '-')
+ {
+ long value;
+ errmsg = cgen_parse_signed_integer (cd, strp, opindex, &value);
+ ret = value;
+ }
+ else
+ {
+ unsigned long value;
+ errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, &value);
+ ret = value;
+ }
+ }
+
+ *valuep = ((ret & 0xffff) ^ 0x8000) - 0x8000;
return errmsg;
}
This function could be moved into `parse_insn_normal', but keeping it
separate makes clear the interface between `parse_insn_normal' and each of
- the handlers.
-*/
+ the handlers. */
const char *
openrisc_cgen_parse_operand (cd, opindex, strp, fields)
\f
-/*
- Regex construction routine.
+/* Regex construction routine.
- This translates an opcode syntax string into a regex string,
- by replacing any non-character syntax element (such as an
- opcode) with the pattern '.*'
+ This translates an opcode syntax string into a regex string,
+ by replacing any non-character syntax element (such as an
+ opcode) with the pattern '.*'
- It then compiles the regex and stores it in the opcode, for
- later use by openrisc_cgen_assemble_insn
+ It then compiles the regex and stores it in the opcode, for
+ later use by openrisc_cgen_assemble_insn
- Returns NULL for success, an error message for failure. */
+ Returns NULL for success, an error message for failure. */
char *
-openrisc_cgen_build_insn_regex (insn)
- CGEN_INSN *insn;
+openrisc_cgen_build_insn_regex (CGEN_INSN *insn)
{
CGEN_OPCODE *opc = (CGEN_OPCODE *) CGEN_INSN_OPCODE (insn);
const char *mnem = CGEN_INSN_MNEMONIC (insn);
- int mnem_len;
char rxbuf[CGEN_MAX_RX_ELEMENTS];
char *rx = rxbuf;
const CGEN_SYNTAX_CHAR_TYPE *syn;
*rx++ = c;
break;
}
-
- /* Insert syntax char into rx. */
- *rx++ = c;
}
else
{
regfree ((regex_t *) CGEN_INSN_RX (insn));
free (CGEN_INSN_RX (insn));
(CGEN_INSN_RX (insn)) = NULL;
- return msg;
+ return msg;
}
}
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);
GAS's input scrubber will ensure mnemonics are lowercase, but we may
not be called from GAS. */
p = CGEN_INSN_MNEMONIC (insn);
- while (*p && tolower (*p) == tolower (*str))
+ while (*p && TOLOWER (*p) == TOLOWER (*str))
++p, ++str;
if (* p)
return _("unrecognized instruction");
#ifndef CGEN_MNEMONIC_OPERANDS
- if (* str && !isspace (* str))
+ if (* str && ! ISSPACE (* str))
return _("unrecognized instruction");
#endif
first char after the mnemonic part is a space. */
/* FIXME: We also take inappropriate advantage of the fact that
GAS's input scrubber will remove extraneous blanks. */
- if (tolower (*str) == tolower (CGEN_SYNTAX_CHAR (* syn)))
+ if (TOLOWER (*str) == TOLOWER (CGEN_SYNTAX_CHAR (* syn)))
{
#ifdef CGEN_MNEMONIC_OPERANDS
if (CGEN_SYNTAX_CHAR(* syn) == ' ')
}
/* We have an operand of some sort. */
- errmsg = openrisc_cgen_parse_operand (cd, CGEN_SYNTAX_FIELD (*syn),
+ errmsg = cd->parse_operand (cd, CGEN_SYNTAX_FIELD (*syn),
&str, fields);
if (errmsg)
return errmsg;
blanks now. IE: We needn't try again with a longer version of
the insn and it is assumed that longer versions of insns appear
before shorter ones (eg: lsr r2,r3,1 vs lsr r2,r3). */
- while (isspace (* str))
+ while (ISSPACE (* str))
++ str;
if (* str != '\0')
mind helps keep the design clean. */
const CGEN_INSN *
-openrisc_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;
+openrisc_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;
int recognized_mnemonic = 0;
/* Skip leading white space. */
- while (isspace (* str))
+ while (ISSPACE (* str))
++ str;
/* The instructions are stored in hashed lists.
if (! openrisc_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;
FIXME: Not currently used. */
void
-openrisc_cgen_asm_hash_keywords (cd, opvals)
- CGEN_CPU_DESC cd;
- CGEN_KEYWORD *opvals;
+openrisc_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;
projects / deliverable / binutils-gdb.git / blobdiff