/* tc-m68k.c -- Assemble for the m68k family
- Copyright 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
- Free Software Foundation, Inc.
+ Copyright (C) 1987-2016 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
{
struct label_line *next;
symbolS *label;
- char *file;
+ const char *file;
unsigned int line;
int text;
};
{mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51", 0},
{mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51ac", 1},
+ {mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51ag", 1},
{mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51cn", 1},
{mcfisa_a|mcfisa_c|mcfusp|mcfmac, mcf51_ctrl, "51em", 1},
+ {mcfisa_a|mcfisa_c|mcfusp|mcfmac, mcf51_ctrl, "51je", 1},
+ {mcfisa_a|mcfisa_c|mcfusp|mcfemac, mcf51_ctrl, "51jf", 1},
+ {mcfisa_a|mcfisa_c|mcfusp|mcfemac, mcf51_ctrl, "51jg", 1},
{mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51jm", 1},
+ {mcfisa_a|mcfisa_c|mcfusp|mcfmac, mcf51_ctrl, "51mm", 1},
{mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51qe", 1},
+ {mcfisa_a|mcfisa_c|mcfusp|mcfemac, mcf51_ctrl, "51qm", 1},
{mcfisa_a, mcf_ctrl, "5200", 0},
{mcfisa_a, mcf_ctrl, "5202", 1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52277_ctrl, "52274", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52277_ctrl, "52277", 0},
-
+
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "5232", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "5233", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "5234", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "5235", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "523x", 0},
-
+
{mcfisa_a|mcfhwdiv|mcfemac, mcf5249_ctrl, "5249", 0},
{mcfisa_a|mcfhwdiv|mcfemac, mcf5250_ctrl, "5250", 0},
{mcfisa_a|mcfhwdiv|mcfemac, mcf5253_ctrl, "5253", 0},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52259_ctrl, "52256", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52259_ctrl, "52258", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52259_ctrl, "52259", 0},
-
+
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5271_ctrl, "5270", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5271_ctrl, "5271", 0},
-
+
{mcfisa_a|mcfhwdiv|mcfmac, mcf5272_ctrl, "5272", 0},
-
+
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5275_ctrl, "5274", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5275_ctrl, "5275", 0},
-
+
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "5280", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "5281", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "5282", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "528x", 0},
-
+
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53011", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53012", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53013", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53015", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53016", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53017", 0},
-
+
{mcfisa_a|mcfhwdiv|mcfmac, mcf5307_ctrl, "5307", 0},
-
+
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "5327", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "5328", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "5329", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "532x", 0},
-
+
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5373_ctrl, "5372", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5373_ctrl, "5373", -1},
{mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5373_ctrl, "537x", 0},
-
+
{mcfisa_a|mcfisa_b|mcfhwdiv|mcfmac, mcf5407_ctrl, "5407",0},
{mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54418_ctrl, "54410", -1},
{mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54453", -1},
{mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54454", -1},
{mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54455", 0},
-
+
{mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5470", -1},
{mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5471", -1},
{mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5472", -1},
{mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5474", -1},
{mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5475", -1},
{mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "547x", 0},
-
+
{mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5480", -1},
{mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5481", -1},
{mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5482", -1},
{mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5484", -1},
{mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5485", -1},
{mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "548x", 0},
-
+
{fido_a, fido_ctrl, "fidoa", 0},
{fido_a, fido_ctrl, "fido", 1},
{ 32767, -32768, 2, TAB (ABSTOPCREL, LONG) },
{ 0, 0, 4, 0 },
{ 1, 1, 0, 0 },
-
+
{ 127, -128, 0, TAB (BRANCHBWPL, SHORT) },
{ 32767, -32768, 2, TAB (BRANCHBWPL, LONG) },
{ 0, 0, 10, 0 },
*reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
#ifndef OBJ_ELF
- if (fixp->fx_pcrel)
- reloc->addend = fixp->fx_addnumber;
- else if (OUTPUT_FLAVOR == bfd_target_aout_flavour
- && fixp->fx_addsy
- && S_IS_WEAK (fixp->fx_addsy)
- && ! bfd_is_und_section (S_GET_SEGMENT (fixp->fx_addsy)))
+ if (OUTPUT_FLAVOR == bfd_target_aout_flavour
+ && fixp->fx_addsy
+ && S_IS_WEAK (fixp->fx_addsy)
+ && ! bfd_is_und_section (S_GET_SEGMENT (fixp->fx_addsy)))
{
/* PR gas/3041 References to weak symbols must be treated as extern
in order to be overridable by the linker, even if they are defined
- (S_GET_VALUE (fixp->fx_addsy)
+ S_GET_SEGMENT (fixp->fx_addsy)->vma);
}
+ else if (fixp->fx_pcrel)
+ reloc->addend = fixp->fx_addnumber;
else
reloc->addend = 0;
#else
reloc->addend = fixp->fx_addnumber;
else
reloc->addend = (section->vma
- /* Explicit sign extension in case char is
- unsigned. */
- + ((fixp->fx_pcrel_adjust & 0xff) ^ 0x80) - 0x80
+ + fixp->fx_pcrel_adjust
+ fixp->fx_addnumber
+ md_pcrel_from (fixp));
#endif
static void
m68k_ip (char *instring)
{
- register char *p;
- register struct m68k_op *opP;
- register const struct m68k_incant *opcode;
- register const char *s;
- register int tmpreg = 0, baseo = 0, outro = 0, nextword;
+ char *p;
+ struct m68k_op *opP;
+ const struct m68k_incant *opcode;
+ const char *s;
+ int tmpreg = 0, baseo = 0, outro = 0, nextword;
char *pdot, *pdotmove;
enum m68k_size siz1, siz2;
char c;
else
{
const enum m68k_register *rp;
-
+
for (rp = control_regs; *rp; rp++)
{
if (*rp == opP->reg)
const struct m68k_cpu *cpu;
int any = 0;
size_t space = 400;
- char *buf = xmalloc (space + 1);
+ char *buf = XNEWVEC (char, space + 1);
size_t len;
int paren = 1;
{
const struct m68k_cpu *alias;
int seen_master = 0;
-
+
if (any)
APPEND (", ");
any = 0;
{
int have_disp = 0;
int use_pl = 0;
-
+
/* This switch is a doozy.
Watch the first step; its a big one! */
switch (s[0])
case 'B':
tmpreg = get_num (&opP->disp, 90);
-
+
switch (s[1])
{
case 'B':
case 'g': /* Conditional branch */
have_disp = HAVE_LONG_CALL (current_architecture);
goto var_branch;
-
+
case 'b': /* Unconditional branch */
have_disp = HAVE_LONG_BRANCH (current_architecture);
use_pl = LONG_BRANCH_VIA_COND (current_architecture);
goto var_branch;
-
+
case 's': /* Unconditional subroutine */
have_disp = HAVE_LONG_CALL (current_architecture);
-
+
var_branch:
if (subs (&opP->disp) /* We can't relax it. */
#ifdef OBJ_ELF
as_warn (_("Can't use long branches on this architecture"));
goto long_branch;
}
-
+
/* This could either be a symbol, or an absolute
address. If it's an absolute address, turn it into
an absolute jump right here and keep it out of the
case 'e': /* EMAC ACCx, reg/reg. */
install_operand (s[1], opP->reg - ACC);
break;
-
+
case 'E': /* Ignore it. */
break;
static char *
crack_operand (char *str, struct m68k_op *opP)
{
- register int parens;
- register int c;
- register char *beg_str;
+ int parens;
+ int c;
+ char *beg_str;
int inquote = 0;
if (!str)
}
if (!initialized)
m68k_init_arch ();
-
+
/* In MRI mode, the instruction and operands are separated by a
space. Anything following the operands is a comment. The label
has already been removed. */
(relax_substateT) (the_ins.fragb[n].fragty),
the_ins.fragb[n].fadd, the_ins.fragb[n].foff, to_beg_P);
}
- n = (the_ins.numo - the_ins.fragb[n - 1].fragoff);
+ gas_assert (the_ins.nfrag >= 1);
+ n = the_ins.numo - the_ins.fragb[the_ins.nfrag - 1].fragoff;
shorts_this_frag = 0;
if (n)
{
/* First sort the opcode table into alphabetical order to seperate
the order that the assembler wants to see the opcodes from the
order that the disassembler wants to see them. */
- m68k_sorted_opcodes = xmalloc (m68k_numopcodes * sizeof (* m68k_sorted_opcodes));
- if (!m68k_sorted_opcodes)
- as_fatal (_("Internal Error: Can't allocate m68k_sorted_opcodes of size %d"),
- m68k_numopcodes * ((int) sizeof (* m68k_sorted_opcodes)));
+ m68k_sorted_opcodes = XNEWVEC (const struct m68k_opcode *, m68k_numopcodes);
for (i = m68k_numopcodes; i--;)
m68k_sorted_opcodes[i] = m68k_opcodes + i;
obstack_begin (&robyn, 4000);
for (i = 0; i < m68k_numopcodes; i++)
{
- hack = slak = obstack_alloc (&robyn, sizeof (struct m68k_incant));
+ hack = slak = XOBNEW (&robyn, struct m68k_incant);
do
{
ins = m68k_sorted_opcodes[i];
slak->m_operands = ins->args;
slak->m_arch = ins->arch;
slak->m_opcode = ins->opcode;
-
+
/* In most cases we can determine the number of opcode words
by checking the second word of the mask. Unfortunately
some instructions have 2 opcode words, but no fixed bits
else
slak->m_codenum = 1;
slak->m_opnum = strlen (slak->m_operands) / 2;
-
+
if (i + 1 != m68k_numopcodes
&& !strcmp (ins->name, m68k_sorted_opcodes[i + 1]->name))
{
- slak->m_next = obstack_alloc (&robyn, sizeof (struct m68k_incant));
+ slak->m_next = XOBNEW (&robyn, struct m68k_incant);
i++;
}
else
while (mote_pseudo_table[n].poc_name)
{
- hack = obstack_alloc (&robyn, sizeof (struct m68k_incant));
+ hack = XOBNEW (&robyn, struct m68k_incant);
hash_insert (op_hash,
mote_pseudo_table[n].poc_name, (char *) hack);
hack->m_operands = 0;
n = (struct label_line *) xmalloc (sizeof *n);
n->next = labels;
n->label = sym;
- as_where (&n->file, &n->line);
+ n->file = as_where (&n->line);
n->text = 0;
labels = n;
current_label = n;
}
}
-char *
+const char *
md_atof (int type, char *litP, int *sizeP)
{
return ieee_md_atof (type, litP, sizeP, TRUE);
fixS *fixP = NULL;
/* Address in object code of the displacement. */
- register int object_address = fragP->fr_fix + fragP->fr_address;
+ int object_address = fragP->fr_fix + fragP->fr_address;
/* Address in gas core of the place to store the displacement. */
/* This convinces the native rs6000 compiler to generate the code we
want. */
- register char *buffer_address = fragP->fr_literal;
+ char *buffer_address = fragP->fr_literal;
buffer_address += fragP->fr_fix;
/* End ibm compiler workaround. */
/* Only DBcc instructions can come here.
Change dbcc into dbcc/bral.
JF: these used to be fr_opcode[2-7], but that's wrong. */
- if (flag_keep_pcrel)
- as_bad_where (fragP->fr_file, fragP->fr_line,
- _("Conversion of DBcc to absolute jump"));
-
*buffer_address++ = 0x00; /* Branch offset = 4. */
*buffer_address++ = 0x04;
*buffer_address++ = 0x60; /* Put in bra pc+6. */
static void
s_even (int ignore ATTRIBUTE_UNUSED)
{
- register int temp;
- register long temp_fill;
+ int temp;
+ long temp_fill;
temp = 1; /* JF should be 2? */
temp_fill = get_absolute_expression ();
int i;
s = input_line_pointer;
- /* We can't use get_symbol_end since the processor names are not proper
+ /* We can't use get_symbol_name since the processor names are not proper
symbols. */
while (is_part_of_name (c = *input_line_pointer++))
;
{
++input_line_pointer;
s = input_line_pointer;
- /* We can't use get_symbol_end since the processor names are not
+ /* We can't use get_symbol_name since the processor names are not
proper symbols. */
while (is_part_of_name (c = *input_line_pointer++))
;
t = 0;
}
- s = input_line_pointer;
- c = get_symbol_end ();
+ c = get_symbol_name (&s);
for (i = 0, o = opt_table; i < OPTCOUNT; i++, o++)
{
{
/* Restore input_line_pointer now in case the option
takes arguments. */
- *input_line_pointer = c;
+ (void) restore_line_pointer (c);
(*o->pfn) (o->arg, t);
}
else if (o->pvar != NULL)
{
if (! t && o->arg == o->notarg)
as_bad (_("option `%s' may not be negated"), s);
- *input_line_pointer = c;
+ restore_line_pointer (c);
*o->pvar = t ? o->arg : o->notarg;
}
else
if (i >= OPTCOUNT)
{
as_bad (_("option `%s' not recognized"), s);
- *input_line_pointer = c;
+ restore_line_pointer (c);
}
}
while (*input_line_pointer++ == ',');
ignore_rest_of_line ();
return;
}
-
+
name = input_line_pointer;
while (*input_line_pointer && !ISSPACE(*input_line_pointer))
input_line_pointer++;
*input_line_pointer = 0;
m68k_set_cpu (name, 1, 0);
-
+
*input_line_pointer = saved_char;
demand_empty_rest_of_line ();
return;
ignore_rest_of_line ();
return;
}
-
+
name = input_line_pointer;
while (*input_line_pointer && *input_line_pointer != ','
&& !ISSPACE (*input_line_pointer))
}
while (m68k_set_extension (name, 1, 0));
}
-
+
*input_line_pointer = saved_char;
demand_empty_rest_of_line ();
return;
*negated = 1;
}
}
-
+
/* Remove 'm' or 'mc' prefix from 68k variants. */
if (allow_m)
{
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)
{
}
else
current_architecture |= selected_cpu->arch;
-
+
current_architecture &= ~not_current_architecture;
if ((current_architecture & (cfloat | m68881)) == (cfloat | m68881))
else
current_architecture &= ~m68k_mask;
}
-
+
/* Permit m68881 specification with all cpus; those that can't work
with a coprocessor could be doing emulation. */
if (current_architecture & m68851)
if (cpu_of_arch (current_architecture) < m68020
|| arch_coldfire_p (current_architecture))
md_relax_table[TAB (PCINDEX, BYTE)].rlx_more = 0;
-
+
initialized = 1;
}
"), m68k_extensions[i].name,
m68k_extensions[i].alias > 0 ? " ColdFire"
: m68k_extensions[i].alias < 0 ? " m68k" : "");
-
+
fprintf (stream, _("\
-l use 1 word for refs to undefined symbols [default 2]\n\
-pic, -k generate position independent code\n\
--disp-size-default-16 displacement with unknown size is 16 bits\n\
--disp-size-default-32 displacement with unknown size is 32 bits (default)\n\
"));
-
+
fprintf (stream, _("Architecture variants are: "));
for (i = 0; m68k_archs[i].name; i++)
{
int align;
align = bfd_get_section_alignment (stdoutput, segment);
- size = ((size + (1 << align) - 1) & ((valueT) -1 << align));
+ size = ((size + (1 << align) - 1) & (-((valueT) 1 << align)));
#endif
return size;
{
int adjust;
- /* Because fx_pcrel_adjust is a char, and may be unsigned, we explicitly
- sign extend the value here. */
- adjust = ((fixP->fx_pcrel_adjust & 0xff) ^ 0x80) - 0x80;
+ adjust = fixP->fx_pcrel_adjust;
if (adjust == 64)
adjust = -1;
return fixP->fx_where + fixP->fx_frag->fr_address - adjust;
m68k_elf_final_processing (void)
{
unsigned flags = 0;
-
+
if (arch_coldfire_fpu (current_architecture))
flags |= EF_M68K_CFV4E;
/* Set file-specific flags if this is a cpu32 processor. */
else if ((cpu_of_arch (current_architecture) & m68000up)
&& !(cpu_of_arch (current_architecture) & m68020up))
flags |= EF_M68K_M68000;
-
+
if (current_architecture & mcfisa_a)
{
static const unsigned isa_features[][2] =
};
unsigned ix;
unsigned pattern;
-
+
pattern = (current_architecture
& (mcfisa_a|mcfisa_aa|mcfisa_b|mcfisa_c|mcfhwdiv|mcfusp));
for (ix = 0; isa_features[ix][1]; ix++)
#endif
int
-tc_m68k_regname_to_dw2regnum (char *regname)
+tc_m68k_regname_to_dw2regnum (const char *regname)
{
unsigned int regnum;
static const char *const regnames[] =
cfi_add_CFA_def_cfa (sp_regno, -DWARF2_CIE_DATA_ALIGNMENT);
cfi_add_CFA_offset (DWARF2_DEFAULT_RETURN_COLUMN, DWARF2_CIE_DATA_ALIGNMENT);
}
+
+/* Check and emit error if broken-word handling has failed to fix up a
+ case-table. This is called from write.c, after doing everything it
+ knows about how to handle broken words. */
+
+void
+tc_m68k_check_adjusted_broken_word (offsetT new_offset, struct broken_word *brokwP)
+{
+ if (new_offset > 32767 || new_offset < -32768)
+ as_bad_where (brokwP->frag->fr_file, brokwP->frag->fr_line,
+ _("Adjusted signed .word (%#lx) overflows: `switch'-statement too large."),
+ (long) new_offset);
+}
+
projects / deliverable / binutils-gdb.git / blobdiff