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PR gas/15602

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* config/tc-m68k.h (TC_CHECK_ADJUSTED_BROKEN_DOT_WORD): Define.
	* config/tc-m68k.c (tc_m68k_check_adjusted_broken_word): New
	function.  Generates an error if the adjusted offset is out of a
	16-bit range.
This commit is contained in:
Nick Clifton
2013-06-13 08:53:35 +00:00
parent 479a1f0a6f
commit 909c7f9cbf
3 changed files with 28 additions and 0 deletions
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8
gas/ChangeLog
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@ -1,3 +1,11 @@
2013-06-13 Nick Clifton <nickc@redhat.com>
PR gas/15602
* config/tc-m68k.h (TC_CHECK_ADJUSTED_BROKEN_DOT_WORD): Define.
* config/tc-m68k.c (tc_m68k_check_adjusted_broken_word): New
function. Generates an error if the adjusted offset is out of a
16-bit range.
2013-06-12 Sandra Loosemore <sandra@codesourcery.com> 2013-06-12 Sandra Loosemore <sandra@codesourcery.com>
* config/tc-nios2.c (md_apply_fix): Mask constant * config/tc-nios2.c (md_apply_fix): Mask constant

14
gas/config/tc-m68k.c
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@ -8133,3 +8133,17 @@ tc_m68k_frame_initial_instructions (void)
cfi_add_CFA_def_cfa (sp_regno, -DWARF2_CIE_DATA_ALIGNMENT); cfi_add_CFA_def_cfa (sp_regno, -DWARF2_CIE_DATA_ALIGNMENT);
cfi_add_CFA_offset (DWARF2_DEFAULT_RETURN_COLUMN, 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);
}

6
gas/config/tc-m68k.h
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@ -188,3 +188,9 @@ extern void tc_m68k_frame_initial_instructions (void);
/* However, follow compiler's guidance when it specifies encoding for LSDA. */ /* However, follow compiler's guidance when it specifies encoding for LSDA. */
# define CFI_DIFF_LSDA_OK 1 # define CFI_DIFF_LSDA_OK 1
#endif #endif
struct broken_word;
#define TC_CHECK_ADJUSTED_BROKEN_DOT_WORD(new_offset, brokw) \
tc_m68k_check_adjusted_broken_word ((offsetT) (new_offset), (brokw))
extern void tc_m68k_check_adjusted_broken_word (offsetT,
struct broken_word *);