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| author | Michael Meissner <meissner@gcc.gnu.org> | 1993-01-06 03:12:17 +0000 |
|---|---|---|
| committer | Michael Meissner <meissner@gcc.gnu.org> | 1993-01-06 03:12:17 +0000 |
| commit | a89a7e4da9ab9426f0a89ae9ea909b46d21354eb (patch) | |
| tree | 13c983cfe9a7fef11bbbb93c78393635dc37ad46 /gcc/halfpic.h | |
| parent | 8739838dfbcbb0ffbc05cbe7839c0acea4238ca8 (diff) | |
| download | gcc-a89a7e4da9ab9426f0a89ae9ea909b46d21354eb.zip gcc-a89a7e4da9ab9426f0a89ae9ea909b46d21354eb.tar.gz gcc-a89a7e4da9ab9426f0a89ae9ea909b46d21354eb.tar.bz2 | |
Fix unknown symbol error when linking gen* programs.
From-SVN: r3110
Diffstat (limited to 'gcc/halfpic.h')
| -rw-r--r-- | gcc/halfpic.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/gcc/halfpic.h b/gcc/halfpic.h index 3e509e5..777afcf 100644 --- a/gcc/halfpic.h +++ b/gcc/halfpic.h @@ -17,7 +17,18 @@ You should have received a copy of the GNU General Public License along with GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ -extern int flag_half_pic; /* Global half-pic flag. */ +/* Declare the variable flag_half_pic as 'int' instead of 'extern + int', so that BSS variables are created (even though this is not + strict ANSI). This is because rtl.c now refers to the + CONSTANT_ADDRESS_P macro, which in turn refers to flag_half_pic, + and wants to call half_pic_address_p, whose address we also store + in in a BSS variable. This way, the gen* programs won't get + unknown symbol errors when being linked (flag_half_pic will never + be true in the gen* programs). */ + +int flag_half_pic; /* Global half-pic flag. */ +int (*ptr_half_pic_address_p) (); /* ptr to half_pic_address_p () */ + extern int half_pic_number_ptrs; /* # distinct pointers found */ extern int half_pic_number_refs; /* # half-pic references */ extern void half_pic_encode (); /* encode whether half-pic */ @@ -38,7 +49,7 @@ extern struct rtx_def *half_pic_ptr (); /* return RTX for half-pic pointer */ #define HALF_PIC_DECLARE(NAME) half_pic_declare (NAME) #define HALF_PIC_INIT() half_pic_init () #define HALF_PIC_FINISH(STREAM) half_pic_finish (STREAM) -#define HALF_PIC_ADDRESS_P(X) half_pic_address_p (X) +#define HALF_PIC_ADDRESS_P(X) ((*ptr_half_pic_address_p) (X)) #define HALF_PIC_PTR(X) half_pic_ptr (X) /* Prefix for half-pic names */ |