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Perform the relocations!!!

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line numbers seem to be broken, but the code itself looks good.
This commit is contained in:
Bill Currie 2011-03-05 08:41:14 +09:00
parent fe7be543f8
commit 8eb5fd653a
2 changed files with 66 additions and 1 deletions
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2
tools/qfcc/include/obj_file.h
View file

@ -376,6 +376,8 @@ enum {
#define QFO_TYPEMETA(q, t) QFO_INT (q, qfo_type_space, (t) + 0)
#define QFO_TYPETYPE(q, t) QFO_INT (q, qfo_type_space, (t) + 3)
#define QFO_STATEMENT(q, s) ((q)->spaces[qfo_code_space].d.code + (s))
/** Access a string global, converting it to a C string.
\param q pointer to ::qfo_t struct

65
tools/qfcc/source/obj_file.c
View file

@ -698,6 +698,67 @@ convert_def (qfo_t *qfo, const qfo_def_t *def, ddef_t *ddef)
ddef->type |= DEF_SAVEGLOBAL;
}
static void
qfo_relocate_refs (qfo_t *qfo)
{
int i;
qfo_reloc_t *reloc;
for (i = 0, reloc = qfo->relocs; i < qfo->num_relocs; i++, reloc++) {
// this will be valid only for *_def relocs
qfo_def_t *def = qfo->defs + reloc->target;
switch (reloc->type) {
case rel_none:
break;
case rel_op_a_def:
QFO_STATEMENT (qfo, reloc->offset)->a = def->offset;
break;
case rel_op_b_def:
QFO_STATEMENT (qfo, reloc->offset)->b = def->offset;
break;
case rel_op_c_def:
QFO_STATEMENT (qfo, reloc->offset)->c = def->offset;
break;
case rel_op_a_op:
case rel_op_b_op:
case rel_op_c_op:
// these should never appear in a qfo file
break;
case rel_def_op:
//FIXME how?
break;
case rel_def_def:
QFO_INT (qfo, reloc->space, reloc->offset) = def->offset;
break;
case rel_def_func:
QFO_INT (qfo, reloc->space, reloc->offset) = reloc->target;
break;
case rel_def_string:
QFO_INT (qfo, reloc->space, reloc->offset) = reloc->target;
break;
case rel_def_field:
//FIXME how?
break;
case rel_op_a_def_ofs:
QFO_STATEMENT (qfo, reloc->offset)->a += def->offset;
break;
case rel_op_b_def_ofs:
QFO_STATEMENT (qfo, reloc->offset)->b += def->offset;
break;
case rel_op_c_def_ofs:
QFO_STATEMENT (qfo, reloc->offset)->c += def->offset;
break;
case rel_def_def_ofs:
QFO_INT (qfo, reloc->space, reloc->offset) += def->offset;
break;
case rel_def_field_ofs:
//FIXME how?
break;
}
}
}
dprograms_t *
qfo_to_progs (qfo_t *qfo, int *size)
{
@ -839,7 +900,9 @@ qfo_to_progs (qfo_t *qfo, int *size)
memcpy (type_data, qfo->spaces[qfo_type_space].d.data,
qfo->spaces[qfo_type_space].data_size * sizeof (pr_type_t));
qfo->spaces[qfo_type_space].d.data = type_data;
// FIXME do relocs
qfo_relocate_refs (qfo);
return progs;
}