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Diffstat (limited to 'gas/config/tc-m68k.c')
-rw-r--r--gas/config/tc-m68k.c111
1 files changed, 71 insertions, 40 deletions
diff --git a/gas/config/tc-m68k.c b/gas/config/tc-m68k.c
index b09e581..965a6fb 100644
--- a/gas/config/tc-m68k.c
+++ b/gas/config/tc-m68k.c
@@ -23,9 +23,21 @@
#define NO_RELOC 0
#include "as.h"
+/* need TARGET_CPU */
+#include "config.h"
+
#include "obstack.h"
-/* note that this file includes real declarations and thus can only be included by one source file per executable. */
+/* The opcode table is too big for gcc, which (currently) requires
+ exponential space at compile time for initialized arrays. */
+#ifdef __GNUC__
+#define DO_BREAK_UP_BIG_DECL
+#define BREAK_UP_BIG_DECL }; struct m68k_opcode m68k_opcodes_2[] = {
+#define AND_OTHER_PART sizeof (m68k_opcodes_2)
+#endif
+
+/* Note that this file includes real declarations and thus can only be
+ included by one source file per executable. */
#include "opcode/m68k.h"
#ifdef TE_SUN
@@ -560,7 +572,7 @@ const pseudo_typeS mote_pseudo_table[] =
#define issword(x) ((x)>=-32768 && (x)<=32767)
#define isuword(x) ((x)>=0 && (x)<=65535)
-#define isbyte(x) ((x)>=-128 && (x)<=255)
+#define isbyte(x) ((x)>= -255 && (x)<=255)
#define isword(x) ((x)>=-32768 && (x)<=65535)
#define islong(x) (1)
@@ -2032,7 +2044,7 @@ m68k_ip (instring)
m68020, "68020",
m68030, "68030",
m68040, "68040",
- cpu32, "cpu32",
+ cpu32, "cpu32",
m68881, "68881",
m68851, "68851",
};
@@ -3495,10 +3507,8 @@ md_assemble (str)
{
int cpu_type;
-#ifndef TARGET_CPU
- cpu_type = m68020;
-#else
- if (strcmp (TARGET_CPU, "m68000") == 0)
+ if (strcmp (TARGET_CPU, "m68000") == 0
+ || strcmp (TARGET_CPU, "m68302") == 0)
cpu_type = m68000;
else if (strcmp (TARGET_CPU, "m68010") == 0)
cpu_type = m68010;
@@ -3509,11 +3519,14 @@ md_assemble (str)
cpu_type = m68030;
else if (strcmp (TARGET_CPU, "m68040") == 0)
cpu_type = m68040;
- else if (strcmp (TARGET_CPU, "cpu32") == 0)
+ else if (strcmp (TARGET_CPU, "cpu32") == 0
+ || strcmp (TARGET_CPU, "m68331") == 0
+ || strcmp (TARGET_CPU, "m68332") == 0
+ || strcmp (TARGET_CPU, "m68333") == 0
+ || strcmp (TARGET_CPU, "m68340") == 0)
cpu_type = cpu32;
else
cpu_type = m68020;
-#endif
current_architecture |= cpu_type;
}
@@ -3550,7 +3563,7 @@ md_assemble (str)
done_first_time = 1;
}
- memset ((char *) (&the_ins), '\0', sizeof (the_ins)); /* JF for paranoia sake */
+ memset ((char *) (&the_ins), '\0', sizeof (the_ins));
m68k_ip (str);
er = the_ins.error;
if (!er)
@@ -3693,21 +3706,32 @@ md_assemble (str)
}
}
-
+/* See BREAK_UP_BIG_DECL definition, above. */
+static struct m68k_opcode *
+opcode_ptr (i)
+ int i;
+{
+#ifdef DO_BREAK_UP_BIG_DECL
+ int lim1 = sizeof (m68k_opcodes) / sizeof (m68k_opcodes[0]);
+ if (i >= lim1)
+ return m68k_opcodes_2 + (i - lim1);
+#endif
+ return m68k_opcodes + i;
+}
void
md_begin ()
{
/*
- * md_begin -- set up hash tables with 68000 instructions.
- * similar to what the vax assembler does. ---phr
- */
+ * md_begin -- set up hash tables with 68000 instructions.
+ * similar to what the vax assembler does. ---phr
+ */
/* RMS claims the thing to do is take the m68k-opcode.h table, and make
- a copy of it at runtime, adding in the information we want but isn't
- there. I think it'd be better to have an awk script hack the table
- at compile time. Or even just xstr the table and use it as-is. But
- my lord ghod hath spoken, so we do it this way. Excuse the ugly var
- names. */
+ a copy of it at runtime, adding in the information we want but isn't
+ there. I think it'd be better to have an awk script hack the table
+ at compile time. Or even just xstr the table and use it as-is. But
+ my lord ghod hath spoken, so we do it this way. Excuse the ugly var
+ names. */
register const struct m68k_opcode *ins;
register struct m68k_incant *hack, *slak;
@@ -3719,24 +3743,25 @@ md_begin ()
as_fatal ("Virtual memory exhausted");
obstack_begin (&robyn, 4000);
- for (ins = m68k_opcodes; ins < endop; ins++)
+ for (i = 0; i < numopcodes; i++)
{
hack = slak = (struct m68k_incant *) obstack_alloc (&robyn, sizeof (struct m68k_incant));
do
{
- /* we *could* ignore insns that don't match our
- arch here but just leaving them out of the
- hash. */
+ ins = opcode_ptr (i);
+ /* We *could* ignore insns that don't match our arch here
+ but just leaving them out of the hash. */
slak->m_operands = ins->args;
slak->m_opnum = strlen (slak->m_operands) / 2;
slak->m_arch = ins->arch;
slak->m_opcode = ins->opcode;
/* This is kludgey */
slak->m_codenum = ((ins->match) & 0xffffL) ? 2 : 1;
- if ((ins + 1) != endop && !strcmp (ins->name, (ins + 1)->name))
+ if (i + 1 != numopcodes
+ && !strcmp (ins->name, opcode_ptr (i + 1)->name))
{
slak->m_next = (struct m68k_incant *) obstack_alloc (&robyn, sizeof (struct m68k_incant));
- ins++;
+ i++;
}
else
slak->m_next = 0;
@@ -3912,7 +3937,7 @@ md_apply_fix (fixP, val)
{
#ifdef IBM_COMPILER_SUX
/* This is unnecessary but it convinces the native rs6000
- compiler to generate the code we want. */
+ compiler to generate the code we want. */
char *buf = fixP->fx_frag->fr_literal;
buf += fixP->fx_where;
#else /* IBM_COMPILER_SUX */
@@ -3957,7 +3982,7 @@ md_convert_frag (headers, fragP)
#ifdef IBM_COMPILER_SUX
/* This is wrong but it convinces the native rs6000 compiler to
- generate the code we want. */
+ generate the code we want. */
register char *buffer_address = fragP->fr_literal;
buffer_address += fragP->fr_fix;
#else /* IBM_COMPILER_SUX */
@@ -4768,10 +4793,11 @@ md_parse_option (argP, cntP, vecP)
switch (**argP)
{
case 'l': /* -l means keep external to 2 bit offset
- rather than 16 bit one */
+ rather than 16 bit one */
break;
- case 'S': /* -S means that jbsr's always turn into jsr's. */
+ case 'S': /* -S means that jbsr's always turn into
+ jsr's. */
break;
case 'A':
@@ -4786,7 +4812,8 @@ md_parse_option (argP, cntP, vecP)
} /* allow an optional "c" */
if (!strcmp (*argP, "68000")
- || !strcmp (*argP, "68008"))
+ || !strcmp (*argP, "68008")
+ || !strcmp (*argP, "68302"))
{
current_architecture |= m68000;
}
@@ -4808,8 +4835,8 @@ md_parse_option (argP, cntP, vecP)
else if (!strcmp (*argP, "68040"))
{
current_architecture |= m68040 | MAYBE_FLOAT_TOO;
-#ifndef NO_68881
}
+#ifndef NO_68881
else if (!strcmp (*argP, "68881"))
{
current_architecture |= m68881;
@@ -4817,28 +4844,32 @@ md_parse_option (argP, cntP, vecP)
else if (!strcmp (*argP, "68882"))
{
current_architecture |= m68882;
-#endif /* NO_68881 */
- /* Even if we aren't configured to support the processor,
- it should still be possible to assert that the user
- doesn't have it... */
}
+#endif /* NO_68881 */
+ /* Even if we aren't configured to support the processor,
+ it should still be possible to assert that the user
+ doesn't have it... */
else if (!strcmp (*argP, "no-68881")
|| !strcmp (*argP, "no-68882"))
{
no_68881 = 1;
-#ifndef NO_68851
}
+#ifndef NO_68851
else if (!strcmp (*argP, "68851"))
{
current_architecture |= m68851;
-#endif /* NO_68851 */
}
+#endif /* NO_68851 */
else if (!strcmp (*argP, "no-68851"))
{
no_68851 = 1;
}
- else if (!strcmp (*argP, "pu32"))
- { /* "-mcpu32" */
+ else if (!strcmp (*argP, "pu32") /* "cpu32" minus 'c' */
+ || !strcmp (*argP, "68331")
+ || !strcmp (*argP, "68332")
+ || !strcmp (*argP, "68333")
+ || !strcmp (*argP, "68340"))
+ {
current_architecture |= cpu32;
}
else
@@ -4859,7 +4890,7 @@ md_parse_option (argP, cntP, vecP)
}
else
{
- return (0);
+ return 0;
} /* pic or not */
default:
generated by cgit v1.1 at 2024-12-26 09:16:48 +0000