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-rw-r--r--binutils-2.25/gas/read.c99
1 files changed, 72 insertions, 27 deletions
diff --git a/binutils-2.25/gas/read.c b/binutils-2.25/gas/read.c
index 02f5a255..9fd0335d 100644
--- a/binutils-2.25/gas/read.c
+++ b/binutils-2.25/gas/read.c
@@ -1,5 +1,5 @@
/* read.c - read a source file -
- Copyright 1986-2013 Free Software Foundation, Inc.
+ Copyright (C) 1986-2014 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
@@ -263,8 +263,11 @@ read_begin (void)
obstack_begin (&notes, chunksize);
obstack_begin (&cond_obstack, chunksize);
+#ifndef tc_line_separator_chars
+#define tc_line_separator_chars line_separator_chars
+#endif
/* Use machine dependent syntax. */
- for (p = line_separator_chars; *p; p++)
+ for (p = tc_line_separator_chars; *p; p++)
is_end_of_line[(unsigned char) *p] = 2;
/* Use more. FIXME-SOMEDAY. */
@@ -1701,7 +1704,7 @@ s_comm_internal (int param,
temp = get_absolute_expr (&exp);
size = temp;
- size &= ((offsetT) 2 << (stdoutput->arch_info->bits_per_address - 1)) - 1;
+ size &= ((addressT) 2 << (stdoutput->arch_info->bits_per_address - 1)) - 1;
if (exp.X_op == O_absent)
{
as_bad (_("missing size expression"));
@@ -3184,7 +3187,7 @@ assign_symbol (char *name, int mode)
symbol_set_frag (symbolP, dummy_frag);
}
#endif
-#ifdef OBJ_COFF
+#if defined (OBJ_COFF) && !defined (TE_PE)
/* "set" symbols are local unless otherwise specified. */
SF_SET_LOCAL (symbolP);
#endif
@@ -3848,19 +3851,22 @@ parse_mri_cons (expressionS *exp, unsigned int nbytes);
#ifndef TC_PARSE_CONS_EXPRESSION
#ifdef BITFIELD_CONS_EXPRESSIONS
-#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) parse_bitfield_cons (EXP, NBYTES)
+#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) \
+ (parse_bitfield_cons (EXP, NBYTES), TC_PARSE_CONS_RETURN_NONE)
static void
parse_bitfield_cons (expressionS *exp, unsigned int nbytes);
#endif
#ifdef REPEAT_CONS_EXPRESSIONS
-#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) parse_repeat_cons (EXP, NBYTES)
+#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) \
+ (parse_repeat_cons (EXP, NBYTES), TC_PARSE_CONS_RETURN_NONE)
static void
parse_repeat_cons (expressionS *exp, unsigned int nbytes);
#endif
/* If we haven't gotten one yet, just call expression. */
#ifndef TC_PARSE_CONS_EXPRESSION
-#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) expression (EXP)
+#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) \
+ (expression (EXP), TC_PARSE_CONS_RETURN_NONE)
#endif
#endif
@@ -3868,7 +3874,7 @@ void
do_parse_cons_expression (expressionS *exp,
int nbytes ATTRIBUTE_UNUSED)
{
- TC_PARSE_CONS_EXPRESSION (exp, nbytes);
+ (void) TC_PARSE_CONS_EXPRESSION (exp, nbytes);
}
@@ -3911,6 +3917,14 @@ cons_worker (int nbytes, /* 1=.byte, 2=.word, 4=.long. */
c = 0;
do
{
+ TC_PARSE_CONS_RETURN_TYPE ret = TC_PARSE_CONS_RETURN_NONE;
+#ifdef TC_CONS_FIX_CHECK
+ fixS **cur_fix = &frchain_now->fix_tail;
+
+ if (*cur_fix != NULL)
+ cur_fix = &(*cur_fix)->fx_next;
+#endif
+
#ifdef TC_M68K
if (flag_m68k_mri)
parse_mri_cons (&exp, (unsigned int) nbytes);
@@ -3923,7 +3937,7 @@ cons_worker (int nbytes, /* 1=.byte, 2=.word, 4=.long. */
ignore_rest_of_line ();
return;
}
- TC_PARSE_CONS_EXPRESSION (&exp, (unsigned int) nbytes);
+ ret = TC_PARSE_CONS_EXPRESSION (&exp, (unsigned int) nbytes);
}
if (rva)
@@ -3933,7 +3947,10 @@ cons_worker (int nbytes, /* 1=.byte, 2=.word, 4=.long. */
else
as_fatal (_("rva without symbol"));
}
- emit_expr (&exp, (unsigned int) nbytes);
+ emit_expr_with_reloc (&exp, (unsigned int) nbytes, ret);
+#ifdef TC_CONS_FIX_CHECK
+ TC_CONS_FIX_CHECK (&exp, nbytes, *cur_fix);
+#endif
++c;
}
while (*input_line_pointer++ == ',');
@@ -4077,6 +4094,14 @@ s_reloc (int ignore ATTRIBUTE_UNUSED)
void
emit_expr (expressionS *exp, unsigned int nbytes)
{
+ emit_expr_with_reloc (exp, nbytes, TC_PARSE_CONS_RETURN_NONE);
+}
+
+void
+emit_expr_with_reloc (expressionS *exp,
+ unsigned int nbytes,
+ TC_PARSE_CONS_RETURN_TYPE reloc)
+{
operatorT op;
char *p;
valueT extra_digit = 0;
@@ -4218,6 +4243,12 @@ emit_expr (expressionS *exp, unsigned int nbytes)
p = frag_more ((int) nbytes);
+ if (reloc != TC_PARSE_CONS_RETURN_NONE)
+ {
+ emit_expr_fix (exp, nbytes, frag_now, p, reloc);
+ return;
+ }
+
#ifndef WORKING_DOT_WORD
/* If we have the difference of two symbols in a word, save it on
the broken_words list. See the code in write.c. */
@@ -4376,23 +4407,41 @@ emit_expr (expressionS *exp, unsigned int nbytes)
}
}
else
- emit_expr_fix (exp, nbytes, frag_now, p);
+ emit_expr_fix (exp, nbytes, frag_now, p, TC_PARSE_CONS_RETURN_NONE);
}
void
-emit_expr_fix (expressionS *exp, unsigned int nbytes, fragS *frag, char *p)
+emit_expr_fix (expressionS *exp, unsigned int nbytes, fragS *frag, char *p,
+ TC_PARSE_CONS_RETURN_TYPE r ATTRIBUTE_UNUSED)
{
- memset (p, 0, nbytes);
+ int offset = 0;
+ unsigned int size = nbytes;
+
+ memset (p, 0, size);
/* Generate a fixS to record the symbol value. */
#ifdef TC_CONS_FIX_NEW
- TC_CONS_FIX_NEW (frag, p - frag->fr_literal, nbytes, exp);
+ TC_CONS_FIX_NEW (frag, p - frag->fr_literal + offset, size, exp, r);
#else
- {
- bfd_reloc_code_real_type r;
+ if (r != TC_PARSE_CONS_RETURN_NONE)
+ {
+ reloc_howto_type *reloc_howto;
- switch (nbytes)
+ reloc_howto = bfd_reloc_type_lookup (stdoutput, r);
+ size = bfd_get_reloc_size (reloc_howto);
+
+ if (size > nbytes)
+ {
+ as_bad (_("%s relocations do not fit in %u bytes\n"),
+ reloc_howto->name, nbytes);
+ return;
+ }
+ else if (target_big_endian)
+ offset = nbytes - size;
+ }
+ else
+ switch (size)
{
case 1:
r = BFD_RELOC_8;
@@ -4410,13 +4459,11 @@ emit_expr_fix (expressionS *exp, unsigned int nbytes, fragS *frag, char *p)
r = BFD_RELOC_64;
break;
default:
- as_bad (_("unsupported BFD relocation size %u"), nbytes);
- r = BFD_RELOC_32;
- break;
+ as_bad (_("unsupported BFD relocation size %u"), size);
+ return;
}
- fix_new_exp (frag, p - frag->fr_literal, (int) nbytes, exp,
- 0, r);
- }
+ fix_new_exp (frag, p - frag->fr_literal + offset, size,
+ exp, 0, r);
#endif
}
@@ -4552,15 +4599,13 @@ parse_bitfield_cons (exp, nbytes)
#ifdef TC_M68K
static void
-parse_mri_cons (exp, nbytes)
- expressionS *exp;
- unsigned int nbytes;
+parse_mri_cons (expressionS *exp, unsigned int nbytes)
{
if (*input_line_pointer != '\''
&& (input_line_pointer[1] != '\''
|| (*input_line_pointer != 'A'
&& *input_line_pointer != 'E')))
- TC_PARSE_CONS_EXPRESSION (exp, nbytes);
+ (void) TC_PARSE_CONS_EXPRESSION (exp, nbytes);
else
{
unsigned int scan;