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| author | Ian Lance Taylor <ian@airs.com> | 1992-09-14 05:25:56 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@airs.com> | 1992-09-14 05:25:56 +0000 |
| commit | e41474b77db9e86cbc8b4e2860b74fa8b647cffc (patch) | |
| tree | 62866b29ec893766dc9c680be5f084027a6319d5 | |
| parent | ca5e9d49dd1f1ccb8bb6320dc910f24a8457c90f (diff) | |
| download | gdb-e41474b77db9e86cbc8b4e2860b74fa8b647cffc.zip gdb-e41474b77db9e86cbc8b4e2860b74fa8b647cffc.tar.gz gdb-e41474b77db9e86cbc8b4e2860b74fa8b647cffc.tar.bz2 | |
Sun Sep 13 20:29:39 1992 Ian Lance Taylor (ian@cygnus.com)
* obj-coffbfd.h: define WARN_SIGNED_OVERFLOW_WORD.
obj-coffbfd.c (fixup_segment): check for signed .word overflow if
WARN_SIGNED_OVERFLOW_WORD.
| -rw-r--r-- | gas/config/ChangeLog | 4 | ||||
| -rw-r--r-- | gas/config/obj-coffbfd.c | 11 | ||||
| -rw-r--r-- | gas/config/obj-coffbfd.h | 1 |
3 files changed, 16 insertions, 0 deletions
diff --git a/gas/config/ChangeLog b/gas/config/ChangeLog index f8adc0f..4b3bef2 100644 --- a/gas/config/ChangeLog +++ b/gas/config/ChangeLog @@ -1,5 +1,9 @@ Sun Sep 13 20:29:39 1992 Ian Lance Taylor (ian@cygnus.com) + * obj-coffbfd.h: define WARN_SIGNED_OVERFLOW_WORD. + obj-coffbfd.c (fixup_segment): check for signed .word overflow if + WARN_SIGNED_OVERFLOW_WORD. + * obj-coffbfd.c (fixup_segment): fixed missing parens in expression checking for byte or word overflow. diff --git a/gas/config/obj-coffbfd.c b/gas/config/obj-coffbfd.c index 1f59b55..b66269c 100644 --- a/gas/config/obj-coffbfd.c +++ b/gas/config/obj-coffbfd.c @@ -2262,6 +2262,17 @@ segT this_segment_type) as_bad("Value of %d too large for field of %d bytes at 0x%x", add_number, size, fragP->fr_address + where); } /* generic error checking */ +#ifdef WARN_SIGNED_OVERFLOW_WORD + /* Warn if a .word value is too large when treated as + a signed number. We already know it is not too + negative. This is to catch over-large switches + generated by gcc on the 68k. */ + if (! flagseen['J'] + && size == 2 + && add_number > 0x7fff) + as_bad ("Signed .word overflow; switch may be too large; %d at 0x%x", + add_number, fragP->fr_address + where); +#endif } /* not a bit fix */ /* once this fix has been applied, we don't have to output anything nothing more need be done -*/ diff --git a/gas/config/obj-coffbfd.h b/gas/config/obj-coffbfd.h index 217fd86..ad8b5d4 100644 --- a/gas/config/obj-coffbfd.h +++ b/gas/config/obj-coffbfd.h @@ -23,6 +23,7 @@ #define OBJ_COFF 1 #define WORKING_DOT_WORD +#define WARN_SIGNED_OVERFLOW_WORD #include "targ-cpu.h" |