/* tc-i370.c -- Assembler for the IBM 360/370/390 instruction set.
Loosely based on the ppc files by Linas Vepstas <linas@linas.org> 1998, 99
- Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1994-2018 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support.
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. */
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
/* This assembler implements a very hacked version of an elf-like thing
that gcc emits (when gcc is suitably hacked). To make it behave more
similarities between HLASM and the MRI assemblers, such as section
names, lack of leading . in pseudo-ops, DC and DS, etc. */
-#include <stdio.h>
#include "as.h"
#include "safe-ctype.h"
#include "subsegs.h"
/* Structure to hold information about predefined registers. */
struct pd_reg
{
- char *name;
+ const char *name;
int value;
};
reg_number = get_single_number ();
else
{
- c = get_symbol_end ();
+ c = get_symbol_name (&name);
reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name);
/* Put back the delimiting char. */
- *input_line_pointer = c;
+ (void) restore_line_pointer (c);
}
- /* If numeric, make sure its not out of bounds. */
+ /* If numeric, make sure it's not out of bounds. */
if ((0 <= reg_number) && (16 >= reg_number))
{
expressionP->X_op = O_register;
size_t md_longopts_size = sizeof (md_longopts);
int
-md_parse_option (int c, char *arg)
+md_parse_option (int c, const char *arg)
{
switch (c)
{
#endif
else
{
- as_bad ("invalid switch -m%s", arg);
+ as_bad (_("invalid switch -m%s"), arg);
return 0;
}
break;
\f
/* Set i370_cpu if it is not already set.
Currently defaults to the reasonable superset;
- but can be made more fine grained if desred. */
+ but can be made more fine grained if desired. */
static void
i370_set_cpu (void)
retval = hash_insert (i370_hash, op->name, (void *) op);
if (retval != (const char *) NULL)
{
- as_bad ("Internal assembler error for instruction %s", op->name);
+ as_bad (_("Internal assembler error for instruction %s"), op->name);
dup_insn = TRUE;
}
}
retval = hash_insert (i370_macro_hash, macro->name, (void *) macro);
if (retval != (const char *) NULL)
{
- as_bad ("Internal assembler error for macro %s", macro->name);
+ as_bad (_("Internal assembler error for macro %s"), macro->name);
dup_insn = TRUE;
}
}
{
struct map_bfd
{
- char *string;
+ const char *string;
int length;
bfd_reloc_code_real_type reloc;
};
|| ptr->reloc == BFD_RELOC_LO16_GOTOFF
|| ptr->reloc == BFD_RELOC_HI16_GOTOFF
|| ptr->reloc == BFD_RELOC_HI16_S_GOTOFF))
- as_warn ("identifier+constant@got means identifier@got+constant");
+ as_warn (_("identifier+constant@got means identifier@got+constant"));
/* Now check for identifier@suffix+constant */
if (*str == '-' || *str == '+')
int size = bfd_get_reloc_size (reloc_howto);
if (size > nbytes)
- as_bad ("%s relocations do not fit in %d bytes\n", reloc_howto->name, nbytes);
+ as_bad (ngettext ("%s relocations do not fit in %u byte",
+ "%s relocations do not fit in %u bytes",
+ nbytes),
+ reloc_howto->name, nbytes);
else
{
char *p = frag_more ((int) nbytes);
\f
/* DC Define Const is only partially supported.
- For samplecode on what to do, look at i370_elf_cons() above.
+ For sample code on what to do, look at i370_elf_cons() above.
This code handles pseudoops of the style
DC D'3.141592653' # in sysv4, .double 3.14159265
DC F'1' # in sysv4, .long 1. */
int nbytes=0;
expressionS exp;
char type=0;
+ char * clse;
if (is_it_end_of_statement ())
{
nbytes = 8;
break;
default:
- as_bad ("unsupported DC type");
+ as_bad (_("unsupported DC type"));
return;
}
/* Get rid of pesky quotes. */
if ('\'' == *input_line_pointer)
{
- char * close;
-
++input_line_pointer;
- close = strchr (input_line_pointer, '\'');
- if (close)
- *close= ' ';
+ clse = strchr (input_line_pointer, '\'');
+ if (clse)
+ *clse= ' ';
else
- as_bad ("missing end-quote");
+ as_bad (_("missing end-quote"));
}
if ('\"' == *input_line_pointer)
{
- char * close;
-
++input_line_pointer;
- close = strchr (input_line_pointer, '\"');
- if (close)
- *close= ' ';
+ clse = strchr (input_line_pointer, '\"');
+ if (clse)
+ *clse= ' ';
else
- as_bad ("missing end-quote");
+ as_bad (_("missing end-quote"));
}
switch (type)
emit_expr (&exp, nbytes);
break;
case 'E': /* 32-bit */
+ type = 'f';
+ /* Fall through. */
case 'D': /* 64-bit */
md_atof (type, tmp, &nbytes);
p = frag_more (nbytes);
memcpy (p, tmp, nbytes);
break;
default:
- as_bad ("unsupported DC type");
+ as_bad (_("unsupported DC type"));
return;
}
alignment = 3;
break;
default:
- as_bad ("unsupported alignment");
+ as_bad (_("unsupported alignment"));
return;
}
frag_align (alignment, 0, 0);
record_alignment (now_seg, alignment);
}
else
- as_bad ("this DS form not yet supported");
+ as_bad (_("this DS form not yet supported"));
}
/* Solaris pseudo op to change to the .rodata section. */
char *pfrag;
int align2;
- name = input_line_pointer;
- c = get_symbol_end ();
+ c = get_symbol_name (&name);
/* Just after name is now '\0'. */
p = input_line_pointer;
- *p = c;
+ (void) restore_line_pointer (c);
SKIP_WHITESPACE ();
if (*input_line_pointer != ',')
{
- as_bad ("Expected comma after symbol-name: rest of line ignored.");
+ as_bad (_("Expected comma after symbol-name: rest of line ignored."));
ignore_rest_of_line ();
return;
}
input_line_pointer++;
if ((size = get_absolute_expression ()) < 0)
{
- as_warn (".COMMon length (%ld.) <0! Ignored.", (long) size);
+ as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size);
ignore_rest_of_line ();
return;
}
align = get_absolute_expression ();
if (align <= 0)
{
- as_warn ("ignoring bad alignment");
+ as_warn (_("ignoring bad alignment"));
align = 8;
}
}
if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
{
- as_bad ("Ignoring attempt to re-define symbol `%s'.",
+ as_bad (_("Ignoring attempt to re-define symbol `%s'."),
S_GET_NAME (symbolP));
ignore_rest_of_line ();
return;
if (S_GET_VALUE (symbolP) && S_GET_VALUE (symbolP) != (valueT) size)
{
- as_bad ("Length of .lcomm \"%s\" is already %ld. Not changed to %ld.",
+ as_bad (_("Length of .lcomm \"%s\" is already %ld. Not changed to %ld."),
S_GET_NAME (symbolP),
(long) S_GET_VALUE (symbolP),
(long) size);
;
if (align != 1)
{
- as_bad ("Common alignment not a power of 2");
+ as_bad (_("Common alignment not a power of 2"));
ignore_rest_of_line ();
return;
}
waste space padding out to alignments. The four pointers
longlong_poolP, word_poolP, etc. point to a symbol labeling the
start of each pool part.
-
+
lit_pool_num increments from zero to infinity and uniquely id's
- -- its used to generate the *_poolP symbol name. */
+ -- it's used to generate the *_poolP symbol name. */
#define MAX_LITERAL_POOL_SIZE 1024
exx->X_add_number += baseaddr->X_add_number;
}
else
- as_bad ("Missing or bad .using directive");
+ as_bad (_("Missing or bad .using directive"));
}
/* Add an expression to the literal pool. */
if (lit_count == next_literal_pool_place) /* new entry */
{
if (next_literal_pool_place > MAX_LITERAL_POOL_SIZE)
- as_bad ("Literal Pool Overflow");
+ as_bad (_("Literal Pool Overflow"));
literals[next_literal_pool_place].exp = *exx;
literals[next_literal_pool_place].size = sz;
/* The symbol setup for the literal pool is done in two steps. First,
a symbol that represents the start of the literal pool is created,
above, in the add_to_pool() routine. This sym ???_poolP.
- However, we don't know what fragment its in until a bit later.
+ However, we don't know what fragment it's in until a bit later.
So we defer the frag_now thing, and the symbol name, until .ltorg time. */
/* Can't use symbol_new here, so have to create a symbol and then at
- a later date assign it a value. Thats what these functions do. */
+ a later date assign it a value. That's what these functions do. */
static void
symbol_locate (symbolS *symbolP,
}
/* i370_addr_offset() will convert operand expressions
- that appear to be absolute into thier base-register
+ that appear to be absolute into their base-register
relative form. These expressions come in two types:
(1) of the form "* + const" * where "*" means
expression (exp);
/* We use a simple string name to collapse together
- multiple refrences to the same address literal. */
+ multiple references to the same address literal. */
name_len = strcspn (sym_name, ", ");
delim = *(sym_name + name_len);
*(sym_name + name_len) = 0x0;
/* Get rid of pesky quotes. */
if ('\'' == *input_line_pointer)
{
- char * close;
+ char * clse;
+
++input_line_pointer;
- close = strchr (input_line_pointer, '\'');
- if (close)
- *close= ' ';
+ clse = strchr (input_line_pointer, '\'');
+ if (clse)
+ *clse= ' ';
else
- as_bad ("missing end-quote");
+ as_bad (_("missing end-quote"));
}
if ('\"' == *input_line_pointer)
{
- char * close;
+ char * clse;
+
++input_line_pointer;
- close = strchr (input_line_pointer, '\"');
- if (close)
- *close= ' ';
+ clse = strchr (input_line_pointer, '\"');
+ if (clse)
+ *clse= ' ';
else
- as_bad ("missing end-quote");
+ as_bad (_("missing end-quote"));
}
if (('X' == name[0]) || ('E' == name[0]) || ('D' == name[0]))
{
=X'AB' one byte
=X'abcd' two bytes
=X'000000AB' four bytes
- =XL4'AB' four bytes, left-padded withn zero. */
+ =XL4'AB' four bytes, left-padded with zero. */
if (('X' == name[0]) && (0 > cons_len))
{
save = input_line_pointer;
/* O_big occurs when more than 4 bytes worth gets parsed. */
if ((exp->X_op != O_constant) && (exp->X_op != O_big))
{
- as_bad ("expression not a constant");
+ as_bad (_("expression not a constant"));
return FALSE;
}
add_to_lit_pool (exp, 0x0, cons_len);
break;
default:
- as_bad ("Unknown/unsupported address literal type");
+ as_bad (_("Unknown/unsupported address literal type"));
return FALSE;
}
if (strncmp (now_seg->name, ".text", 5))
{
if (i370_other_section == undefined_section)
- as_bad (".ltorg without prior .using in section %s",
+ as_bad (_(".ltorg without prior .using in section %s"),
now_seg->name);
if (i370_other_section != now_seg)
- as_bad (".ltorg in section %s paired to .using in section %s",
+ as_bad (_(".ltorg in section %s paired to .using in section %s"),
now_seg->name, i370_other_section->name);
}
else if (2 == biggest_literal_size) biggest_align = 1;
else if (4 == biggest_literal_size) biggest_align = 2;
else if (8 == biggest_literal_size) biggest_align = 3;
- else as_bad ("bad alignment of %d bytes in literal pool", biggest_literal_size);
+ else as_bad (_("bad alignment of %d bytes in literal pool"), biggest_literal_size);
if (0 == biggest_align) biggest_align = 1;
/* Align pool for short, word, double word accesses. */
case 1:
current_poolP = byte_poolP; break;
default:
- as_bad ("bad literal size\n");
+ as_bad (_("bad literal size\n"));
}
if (NULL == current_poolP)
continue;
if (O_constant != baseaddr.X_op
&& O_symbol != baseaddr.X_op
&& O_uminus != baseaddr.X_op)
- as_bad (".using: base address expression illegal or too complex");
+ as_bad (_(".using: base address expression illegal or too complex"));
if (*input_line_pointer != '\0') ++input_line_pointer;
if (0 == strncmp (now_seg->name, ".text", 5))
{
if (iregno != i370_using_text_regno)
- as_bad ("droping register %d in section %s does not match using register %d",
+ as_bad (_("dropping register %d in section %s does not match using register %d"),
iregno, now_seg->name, i370_using_text_regno);
i370_using_text_regno = -1;
else
{
if (iregno != i370_using_other_regno)
- as_bad ("droping register %d in section %s does not match using register %d",
+ as_bad (_("dropping register %d in section %s does not match using register %d"),
iregno, now_seg->name, i370_using_other_regno);
if (i370_other_section != now_seg)
- as_bad ("droping register %d in section %s previously used in section %s",
+ as_bad (_("dropping register %d in section %s previously used in section %s"),
iregno, now_seg->name, i370_other_section->name);
i370_using_other_regno = -1;
if (count != macro->operands)
{
- as_bad ("wrong number of operands");
+ as_bad (_("wrong number of operands"));
return;
}
}
/* Put the string together. */
- complete = s = alloca (len + 1);
+ complete = s = XNEWVEC (char, len + 1);
format = macro->format;
while (*format != '\0')
{
/* Assemble the constructed instruction. */
md_assemble (complete);
+ free (complete);
}
/* This routine is called for each instruction to be assembled. */
void
md_assemble (char *str)
{
- char *s, *opcode_str;
+ char *s;
const struct i370_opcode *opcode;
i370_insn_t insn;
const unsigned char *opindex_ptr;
;
if (*s != '\0')
*s++ = '\0';
- opcode_str = str;
/* Look up the opcode in the hash table. */
opcode = (const struct i370_opcode *) hash_find (i370_hash, str);
{
const struct i370_macro *macro;
- assert (i370_macro_hash);
+ gas_assert (i370_macro_hash);
macro = (const struct i370_macro *) hash_find (i370_macro_hash, str);
if (macro == (const struct i370_macro *) NULL)
- as_bad ("Unrecognized opcode: `%s'", str);
+ as_bad (_("Unrecognized opcode: `%s'"), str);
else
i370_macro (s, macro);
}
/* Perform some off-by-one hacks on the length field of certain instructions.
- Its such a shame to have to do this, but the problem is that HLASM got
+ It's such a shame to have to do this, but the problem is that HLASM got
defined so that the lengths differ by one from the actual machine instructions.
- this code should probably be moved to a special inster-operand routine.
+ this code should probably be moved to a special inter-operand routine.
Sigh. Affected instructions are Compare Logical, Move and Exclusive OR
hack alert -- aren't *all* SS instructions affected ?? */
off_by_one = 0;
for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++)
{
const struct i370_operand *operand;
- const char *errmsg;
char *hold;
expressionS ex;
operand = &i370_operands[*opindex_ptr];
- errmsg = NULL;
/* If this is an index operand, and we are skipping it,
just insert a zero. */
basereg = i370_using_other_regno;
}
if (0 > basereg)
- as_bad ("not using any base register");
+ as_bad (_("not using any base register"));
insn = i370_insert_operand (insn, operand, basereg);
continue;
}
if (! register_name (&ex))
- as_bad ("expecting a register for operand %d",
- opindex_ptr - opcode->operands + 1);
+ as_bad (_("expecting a register for operand %d"),
+ (int) (opindex_ptr - opcode->operands + 1));
}
/* Check for an address constant expression. */
input_line_pointer = hold;
/* Perform some off-by-one hacks on the length field of certain instructions.
- Its such a shame to have to do this, but the problem is that HLASM got
+ It's such a shame to have to do this, but the problem is that HLASM got
defined so that the programmer specifies a length that is one greater
than what the machine instruction wants. Sigh. */
if (off_by_one && (0 == strcasecmp ("SS L", operand->name)))
ex.X_add_number --;
if (ex.X_op == O_illegal)
- as_bad ("illegal operand");
+ as_bad (_("illegal operand"));
else if (ex.X_op == O_absent)
- as_bad ("missing operand");
+ as_bad (_("missing operand"));
else if (ex.X_op == O_register)
insn = i370_insert_operand (insn, operand, ex.X_add_number);
else if (ex.X_op == O_constant)
++str;
if (*str != '\0')
- as_bad ("junk at end of line: `%s'", str);
+ as_bad (_("junk at end of line: `%s'"), str);
/* Write out the instruction. */
f = frag_more (opcode->len);
else
{
/* Not used --- don't have any 8 byte instructions. */
- as_bad ("Internal Error: bad instruction length");
+ as_bad (_("Internal Error: bad instruction length"));
md_number_to_chars ((f + 4), insn.i[1], opcode->len -4);
}
}
BFD_RELOC_UNUSED plus the operand index. This lets us easily
handle fixups for any operand type, although that is admittedly
not a very exciting feature. We pick a BFD reloc type in
- md_apply_fix3. */
+ md_apply_fix. */
for (i = 0; i < fc; i++)
{
const struct i370_operand *operand;
if (size < 1 || size > 4)
abort ();
- printf (" gwana doo fixup %d \n", i);
+ printf (" gwana do fixup %d \n", i);
fixP = fix_new_exp (frag_now, f - frag_now->fr_literal, size,
&fixups[i].exp, reloc_howto->pc_relative,
fixups[i].reloc);
}
}
\f
-/* 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 *
+const char *
md_atof (int type, char *litp, int *sizep)
{
- int prec;
- LITTLENUM_TYPE words[4];
- char *t;
- int i;
-
- switch (type)
- {
- case 'f':
- case 'E':
- type = 'f';
- prec = 2;
- break;
-
- case 'd':
- case 'D':
- type = 'd';
- prec = 4;
- break;
-
- default:
- *sizep = 0;
- return "bad call to md_atof";
- }
-
/* 360/370/390 have two float formats: an old, funky 360 single-precision
- * format, and the ieee format. Support only the ieee format. */
- t = atof_ieee (input_line_pointer, type, words);
- if (t)
- input_line_pointer = t;
-
- *sizep = prec * 2;
-
- for (i = 0; i < prec; i++)
- {
- md_number_to_chars (litp, (valueT) words[i], 2);
- litp += 2;
- }
-
- return NULL;
+ format, and the ieee format. Support only the ieee format. */
+ return ieee_md_atof (type, litp, sizep, TRUE);
}
/* Write a value out to the object file, using the appropriate
{
int align = bfd_get_section_alignment (stdoutput, seg);
- return (addr + (1 << align) - 1) & (-1 << align);
+ return (addr + (1 << align) - 1) & -(1 << align);
}
/* We don't have any form of relaxing. */
going on here. */
void
-md_apply_fix3 (fixS *fixP, valueT * valP, segT seg)
+md_apply_fix (fixS *fixP, valueT * valP, segT seg)
{
valueT value = * valP;
if (fixP->fx_addsy != NULL)
{
#ifdef DEBUG
- printf ("\nmd_apply_fix3: symbol %s at 0x%x (%s:%d) val=0x%x addend=0x%x\n",
+ printf ("\nmd_apply_fix: symbol %s at 0x%x (%s:%d) val=0x%x addend=0x%x\n",
S_GET_NAME (fixP->fx_addsy),
fixP->fx_frag->fr_address + fixP->fx_where,
fixP->fx_file, fixP->fx_line,
operand = &i370_operands[opindex];
#ifdef DEBUG
- printf ("\nmd_apply_fix3: fixup operand %s at 0x%x in %s:%d addend=0x%x\n",
+ printf ("\nmd_apply_fix: fixup operand %s at 0x%x in %s:%d addend=0x%x\n",
operand->name,
fixP->fx_frag->fr_address + fixP->fx_where,
fixP->fx_file, fixP->fx_line,
We are only prepared to turn a few of the operands into
relocs. In fact, we support *zero* operand relocations ...
Why? Because we are not expecting the compiler to generate
- any operands that need relocation. Due to the 12-bit naturew of
+ any operands that need relocation. Due to the 12-bit nature of
i370 addressing, this would be unusual. */
{
- char *sfile;
+ const char *sfile;
unsigned int sline;
/* Use expr_symbol_where to see if this is an expression
i370_elf_validate_fix (fixP, seg);
#endif
#ifdef DEBUG
- printf ("md_apply_fix3: reloc case %d in segment %s %s:%d\n",
+ printf ("md_apply_fix: reloc case %d in segment %s %s:%d\n",
fixP->fx_r_type, segment_name (seg), fixP->fx_file, fixP->fx_line);
printf ("\tcurrent fixup value is 0x%x \n", value);
#endif
{
arelent *reloc;
- reloc = xmalloc (sizeof (arelent));
+ reloc = XNEW (arelent);
- reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
+ reloc->sym_ptr_ptr = XNEW (asymbol *);
*reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
{ NULL, NULL, 0 }
};
-
projects / deliverable / binutils-gdb.git / blobdiff