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Align local and far data spaces 

I plan on adding doubles, and so it's necessary to ensure that attempts
to align doubles in local or far data spaces remain aligned after final
linking.
This commit is contained in:
Bill Currie 2020-02-14 10:56:25 +09:00
parent 197f856a30
commit 16f8dca72e
1 changed files with 17 additions and 7 deletions
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24
tools/qfcc/source/obj_file.c
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@ -795,6 +795,14 @@ qfo_relocate_refs (qfo_t *qfo)
}
}
static unsigned
align_globals_size (unsigned size)
{
if (options.code.progsversion == PROG_ID_VERSION)
return size;
return RUP (size, 16 / sizeof (pr_type_t));
}
dprograms_t *
qfo_to_progs (qfo_t *qfo, int *size)
{
@ -811,6 +819,7 @@ qfo_to_progs (qfo_t *qfo, int *size)
dprograms_t *progs;
qfo_def_t *types_def = 0;
unsigned i, j;
unsigned near_data_size = 0;
unsigned locals_size = 0;
int locals_start;
unsigned big_locals = 0;
@ -827,9 +836,8 @@ qfo_to_progs (qfo_t *qfo, int *size)
progs->numfunctions = qfo->num_funcs + 1;
progs->numstrings = qfo->spaces[qfo_strings_space].data_size;
progs->numglobals = qfo->spaces[qfo_near_data_space].data_size;
progs->numglobals += qfo->spaces[qfo_far_data_space].data_size;
progs->numglobals += qfo->spaces[qfo_type_space].data_size;
locals_start = qfo->spaces[qfo_near_data_space].data_size;
progs->numglobals = align_globals_size (progs->numglobals);
locals_start = progs->numglobals;
for (i = qfo_num_spaces; i < qfo->num_spaces; i++) {
if (options.code.local_merging) {
if (locals_size < qfo->spaces[i].data_size) {
@ -837,11 +845,14 @@ qfo_to_progs (qfo_t *qfo, int *size)
big_locals = i;
}
} else {
locals_size += qfo->spaces[i].data_size;
locals_size += align_globals_size (qfo->spaces[i].data_size);
}
}
progs->numglobals += locals_size;
near_data_size = progs->numglobals;
progs->numglobals = RUP (progs->numglobals, 16 / sizeof (pr_type_t));
progs->numglobals += qfo->spaces[qfo_far_data_space].data_size;
progs->numglobals += qfo->spaces[qfo_type_space].data_size;
progs->entityfields = qfo->spaces[qfo_entity_space].data_size;
*size += progs->numstatements * sizeof (dstatement_t);
*size += progs->numglobaldefs * sizeof (ddef_t);
@ -902,7 +913,7 @@ qfo_to_progs (qfo_t *qfo, int *size)
for (j = 0; j < space->num_defs; j++)
space->defs[j].offset += locals_start;
if (!options.code.local_merging)
locals_start += df->locals;
locals_start += align_globals_size (df->locals);
df->profile = 0;
df->s_name = qf->name;
df->s_file = qf->file;
@ -978,8 +989,7 @@ qfo_to_progs (qfo_t *qfo, int *size)
printf ("%6i global defs\n", progs->numglobaldefs);
printf ("%6i fielddefs\n", progs->numfielddefs);
printf ("%6i globals\n", progs->numglobals);
printf (" %6i near globals\n",
qfo->spaces[qfo_near_data_space].data_size + locals_size);
printf (" %6i near globals\n", near_data_size);
printf (" %6i locals size%s\n", locals_size, big_function);
printf (" %6i far globals\n",
qfo->spaces[qfo_far_data_space].data_size);