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-rw-r--r--gas/config/tc-rl78.c36
1 files changed, 35 insertions, 1 deletions
diff --git a/gas/config/tc-rl78.c b/gas/config/tc-rl78.c
index 651f3f6..2f59af8 100644
--- a/gas/config/tc-rl78.c
+++ b/gas/config/tc-rl78.c
@@ -347,6 +347,23 @@ md_number_to_chars (char * buf, valueT val, int n)
number_to_chars_littleendian (buf, val, n);
}
+static void
+require_end_of_expr (char *fname)
+{
+ while (* input_line_pointer == ' '
+ || * input_line_pointer == '\t')
+ input_line_pointer ++;
+
+ if (! * input_line_pointer
+ || strchr ("\n\r,", * input_line_pointer)
+ || strchr (comment_chars, * input_line_pointer)
+ || strchr (line_comment_chars, * input_line_pointer)
+ || strchr (line_separator_chars, * input_line_pointer))
+ return;
+
+ as_bad (_("%%%s() must be outermost term in expression"), fname);
+}
+
static struct
{
char * fname;
@@ -388,6 +405,8 @@ md_operand (expressionS * exp ATTRIBUTE_UNUSED)
input_line_pointer ++;
exp->X_md = reloc;
+
+ require_end_of_expr (reloc_functions[i].fname);
}
void
@@ -552,6 +571,7 @@ rl78_cons_fix_new (fragS * frag,
expressionS * exp)
{
bfd_reloc_code_real_type type;
+ fixS *fixP;
switch (size)
{
@@ -601,7 +621,21 @@ rl78_cons_fix_new (fragS * frag,
type = BFD_RELOC_RL78_DIFF;
}
- fix_new_exp (frag, where, (int) size, exp, 0, type);
+ fixP = fix_new_exp (frag, where, (int) size, exp, 0, type);
+ switch (exp->X_md)
+ {
+ /* These are intended to have values larger than the container,
+ since the backend puts only the portion we need in it.
+ However, we don't have a backend-specific reloc for them as
+ they're handled with complex relocations. */
+ case BFD_RELOC_RL78_LO16:
+ case BFD_RELOC_RL78_HI16:
+ case BFD_RELOC_RL78_HI8:
+ fixP->fx_no_overflow = 1;
+ break;
+ default:
+ break;
+ }
}
/* No relaxation just yet */