-/*-
- tc-pj.c -- Assemble code for Pico Java
- Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+/* tc-pj.c -- Assemble code for Pico Java
+ Copyright (C) 1999-2021 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to
- the Free Software Foundation, 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ the Free Software Foundation, 51 Franklin Street - Fifth Floor,
+ Boston, MA 02110-1301, USA. */
/* Contributed by Steve Chamberlain of Transmeta <sac@pobox.com>. */
extern const pj_opc_info_t pj_opc_info[512];
-const char comment_chars[] = "!/";
+const char comment_chars[] = "!/";
const char line_separator_chars[] = ";";
-const char line_comment_chars[] = "/!#";
+const char line_comment_chars[] = "/!#";
static int pending_reloc;
-static struct hash_control *opcode_hash_control;
+static htab_t opcode_hash_control;
static void
-little (ignore)
- int ignore ATTRIBUTE_UNUSED;
+little (int ignore ATTRIBUTE_UNUSED)
{
target_big_endian = 0;
}
static void
-big (ignore)
- int ignore ATTRIBUTE_UNUSED;
+big (int ignore ATTRIBUTE_UNUSED)
{
target_big_endian = 1;
}
-const pseudo_typeS md_pseudo_table[] = {
+const pseudo_typeS md_pseudo_table[] =
+{
{"ml", little, 0},
{"mb", big, 0},
{0, 0, 0}
const char EXP_CHARS[] = "eE";
void
-md_operand (op)
- expressionS *op;
+md_operand (expressionS *op)
{
if (strncmp (input_line_pointer, "%hi16", 5) == 0)
{
input_line_pointer += 5;
expression (op);
}
+
if (strncmp (input_line_pointer, "%lo16", 5) == 0)
{
if (pending_reloc)
/* Parse an expression and then restore the input line pointer. */
static char *
-parse_exp_save_ilp (s, op)
- char *s;
- expressionS *op;
+parse_exp_save_ilp (char *s, expressionS *op)
{
char *save = input_line_pointer;
+
input_line_pointer = s;
expression (op);
s = input_line_pointer;
we want to handle magic pending reloc expressions specially. */
void
-pj_cons_fix_new_pj (frag, where, nbytes, exp)
- fragS *frag;
- int where;
- int nbytes;
- expressionS *exp;
+pj_cons_fix_new_pj (fragS *frag, int where, int nbytes, expressionS *exp,
+ bfd_reloc_code_real_type r ATTRIBUTE_UNUSED)
{
static int rv[5][2] =
{ { 0, 0 },
code which BFD can handle. */
static int
-c_to_r (x)
- char x;
+c_to_r (int x)
{
switch (x)
{
turns ipush <foo> into sipush lo16<foo>, sethi hi16<foo>. */
static void
-ipush_code (opcode, str)
- pj_opc_info_t *opcode ATTRIBUTE_UNUSED;
- char *str;
+ipush_code (pj_opc_info_t *opcode ATTRIBUTE_UNUSED, char *str)
{
- int mod = 0;
char *b = frag_more (6);
expressionS arg;
b[0] = 0x11;
b[3] = 0xed;
- parse_exp_save_ilp (str + 1, &arg, &mod);
- if (mod)
- as_bad (_("can't have relocation for ipush"));
+ parse_exp_save_ilp (str + 1, &arg);
+ if (pending_reloc)
+ {
+ as_bad (_("can't have relocation for ipush"));
+ pending_reloc = 0;
+ }
fix_new_exp (frag_now, b - frag_now->fr_literal + 1, 2,
&arg, 0, BFD_RELOC_PJ_CODE_DIR16);
}
/* Insert names into the opcode table which are really mini macros,
- not opcodes. The fakeness is inidicated with an opcode of -1. */
+ not opcodes. The fakeness is indicated with an opcode of -1. */
static void
-fake_opcode (name, func)
- const char *name;
- void (*func) ();
+fake_opcode (const char *name,
+ void (*func) (struct pj_opc_info_t *, char *))
{
- pj_opc_info_t *fake = (pj_opc_info_t *) xmalloc (sizeof (pj_opc_info_t));
+ pj_opc_info_t * fake = XNEW (pj_opc_info_t);
fake->opcode = -1;
fake->opcode_next = -1;
- fake->name = (const char *) func;
- hash_insert (opcode_hash_control, name, (char *) fake);
+ fake->u.func = func;
+ str_hash_insert (opcode_hash_control, name, fake, 0);
}
/* Enter another entry into the opcode hash table so the same opcode
can have another name. */
static void
-alias (new, old)
- const char *new;
- const char *old;
+alias (const char *new_name, const char *old)
{
- hash_insert (opcode_hash_control, new,
- (char *) hash_find (opcode_hash_control, old));
+ str_hash_insert (opcode_hash_control, new_name,
+ str_hash_find (opcode_hash_control, old), 0);
}
/* This function is called once, at assembler startup time. It sets
some aliases for compatibility with other assemblers. */
void
-md_begin ()
+md_begin (void)
{
const pj_opc_info_t *opcode;
- opcode_hash_control = hash_new ();
+ opcode_hash_control = str_htab_create ();
/* Insert names into hash table. */
- for (opcode = pj_opc_info; opcode->name; opcode++)
- hash_insert (opcode_hash_control, opcode->name, (char *) opcode);
+ for (opcode = pj_opc_info; opcode->u.name; opcode++)
+ str_hash_insert (opcode_hash_control, opcode->u.name, opcode, 0);
/* Insert the only fake opcode. */
fake_opcode ("ipush", ipush_code);
the frags/bytes it assembles to. */
void
-md_assemble (str)
- char *str;
+md_assemble (char *str)
{
- unsigned char *op_start;
- unsigned char *op_end;
+ char *op_start;
+ char *op_end;
-#if 0
- pj_operan_info operand[3];
-#endif
pj_opc_info_t *opcode;
char *output;
int idx = 0;
str++;
/* Find the op code end. */
- for (op_start = op_end = (unsigned char *) (str);
- *op_end && !is_end_of_line[*op_end] && *op_end != ' ';
+ op_start = str;
+ for (op_end = str;
+ *op_end && !is_end_of_line[*op_end & 0xff] && *op_end != ' ';
op_end++)
nlen++;
if (nlen == 0)
as_bad (_("can't find opcode "));
- opcode = (pj_opc_info_t *) hash_find (opcode_hash_control, op_start);
+ opcode = (pj_opc_info_t *) str_hash_find (opcode_hash_control, op_start);
*op_end = pend;
if (opcode == NULL)
return;
}
+ dwarf2_emit_insn (0);
if (opcode->opcode == -1)
{
/* It's a fake opcode. Dig out the args and pretend that was
what we were passed. */
- ((void (*) ()) opcode->name) (opcode, op_end);
+ (*opcode->u.func) (opcode, op_end);
}
else
{
- int an;
+ unsigned int an;
output = frag_more (opcode->len);
output[idx++] = opcode->opcode;
if (opcode->opcode_next != -1)
output[idx++] = opcode->opcode_next;
- for (an = 0; opcode->arg[an]; an++)
+ for (an = 0; an < ARRAY_SIZE (opcode->arg) && opcode->arg[an]; an++)
{
expressionS arg;
op_end++;
if (*op_end == 0)
- as_bad ("expected expresssion");
+ as_bad (_("expected expression"));
op_end = parse_exp_save_ilp (op_end, &arg);
op_end++;
if (*op_end != 0)
- as_warn ("extra stuff on line ignored");
+ as_warn (_("extra stuff on line ignored"));
}
if (pending_reloc)
- as_bad ("Something forgot to clean up\n");
-
+ as_bad (_("Something forgot to clean up\n"));
}
-/* Turn a string in input_line_pointer into a floating point constant
- of type type, and store the appropriate bytes in *LITP. The number
- of LITTLENUMS emitted is stored in *SIZEP . An error message is
- returned, or NULL on OK. */
-
-char *
-md_atof (type, litP, sizeP)
- int type;
- char *litP;
- int *sizeP;
+const char *
+md_atof (int type, char *litP, int *sizeP)
{
- int prec;
- LITTLENUM_TYPE words[4];
- char *t;
- int i;
-
- switch (type)
- {
- case 'f':
- prec = 2;
- break;
-
- case 'd':
- prec = 4;
- break;
-
- default:
- *sizeP = 0;
- return _("bad call to md_atof");
- }
-
- t = atof_ieee (input_line_pointer, type, words);
- if (t)
- input_line_pointer = t;
-
- *sizeP = prec * 2;
-
- if (!target_big_endian)
- {
- for (i = prec - 1; i >= 0; i--)
- {
- md_number_to_chars (litP, (valueT) words[i], 2);
- litP += 2;
- }
- }
- else
- {
- for (i = 0; i < prec; i++)
- {
- md_number_to_chars (litP, (valueT) words[i], 2);
- litP += 2;
- }
- }
-
- return NULL;
+ return ieee_md_atof (type, litP, sizeP, target_big_endian);
}
\f
const char *md_shortopts = "";
-struct option md_longopts[] = {
-
+struct option md_longopts[] =
+{
#define OPTION_LITTLE (OPTION_MD_BASE)
#define OPTION_BIG (OPTION_LITTLE + 1)
size_t md_longopts_size = sizeof (md_longopts);
int
-md_parse_option (c, arg)
- int c;
- char *arg ATTRIBUTE_UNUSED;
+md_parse_option (int c, const char *arg ATTRIBUTE_UNUSED)
{
switch (c)
{
case OPTION_LITTLE:
- little ();
+ little (0);
break;
case OPTION_BIG:
- big ();
+ big (0);
break;
default:
return 0;
}
void
-md_show_usage (stream)
- FILE *stream;
+md_show_usage (FILE *stream)
{
fprintf (stream, _("\
PJ options:\n\
/* Apply a fixup to the object file. */
void
-md_apply_fix3 (fixP, valP, seg)
- fixS *fixP;
- valueT * valP;
- segT seg ATTRIBUTE_UNUSED;
+md_apply_fix (fixS *fixP, valueT * valP, segT seg ATTRIBUTE_UNUSED)
{
char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
long val = *valP;
long max, min;
- int shift;
max = min = 0;
- shift = 0;
switch (fixP->fx_r_type)
{
case BFD_RELOC_VTABLE_INHERIT:
}
break;
+ case BFD_RELOC_PJ_CODE_REL32:
+ fixP->fx_done = 0;
+ return;
+
default:
abort ();
}
executable section into big endian order. */
void
-md_number_to_chars (ptr, use, nbytes)
- char *ptr;
- valueT use;
- int nbytes;
+md_number_to_chars (char *ptr, valueT use, int nbytes)
{
if (target_big_endian || now_seg->flags & SEC_CODE)
number_to_chars_bigendian (ptr, use, nbytes);
format. */
arelent *
-tc_gen_reloc (section, fixp)
- asection *section ATTRIBUTE_UNUSED;
- fixS *fixp;
+tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp)
{
arelent *rel;
bfd_reloc_code_real_type r_type;
- rel = (arelent *) xmalloc (sizeof (arelent));
- rel->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ rel = XNEW (arelent);
+ rel->sym_ptr_ptr = XNEW (asymbol *);
*rel->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
rel->address = fixp->fx_frag->fr_address + fixp->fx_where;
bfd_get_reloc_code_name (r_type));
/* Set howto to a garbage value so that we can keep going. */
rel->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_32);
- assert (rel->howto != NULL);
+ gas_assert (rel->howto != NULL);
}
return rel;
projects / thirdparty / binutils-gdb.git / blobdiff