mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-10 23:32:09 +00:00
7518ba0a27
qfcc is putting two temps in the same location due to defspace_alloc_aligned_loc returning the same address when there was a hole caused by an earlier aligned alloc: specifically, a size-3 hole and a size-2 allocation with alignment-2.
151 lines
2.8 KiB
C
151 lines
2.8 KiB
C
#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include "tools/qfcc/include/class.h"
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#include "tools/qfcc/include/expr.h"
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#include "tools/qfcc/include/function.h"
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#include "tools/qfcc/include/options.h"
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#include "tools/qfcc/include/strpool.h"
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#include "tools/qfcc/include/qfcc.h"
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#include "tools/qfcc/test/test-defspace.h"
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options_t options;
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pr_info_t pr;
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function_t *current_func;
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class_type_t *current_class;
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void
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free_def (def_t *def)
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{
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if (0) free (def);
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}
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__attribute__((const))const char *
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get_class_name (class_type_t *class_type, int prett)
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{
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return 0;
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}
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expr_t *
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new_expr (void)
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{
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return calloc(1, sizeof (expr_t));
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}
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static int
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check_init_state (const defspace_t *space, const char *name)
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{
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int pass = 1;
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if (space->free_locs) {
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printf ("%s free_locs not null\n", name);
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pass = 0;
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}
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if (space->defs) {
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printf ("%s defs not null\n", name);
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pass = 0;
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}
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if (space->def_tail != &space->defs) {
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printf ("%s def_tail not pointing to defs\n", name);
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pass = 0;
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}
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if (space->data) {
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printf ("%s data not null\n", name);
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pass = 0;
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}
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if (space->size) {
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printf ("%s size not 0\n", name);
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pass = 0;
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}
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if (space->max_size) {
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printf ("%s max_size not 0\n", name);
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pass = 0;
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}
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if (!space->grow) {
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printf ("%s grow is null\n", name);
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pass = 0;
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}
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if (space->qfo_space) {
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printf ("%s qfo_space not 0\n", name);
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pass = 0;
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}
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return pass;
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}
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static int
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test_init (void)
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{
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int pass = 1;
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defspace_t *backed = defspace_new (ds_backed);
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defspace_t *virtual = defspace_new (ds_virtual);
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if (backed->grow == virtual->grow) {
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printf ("expected different grow functions for backed and virtual\n");
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pass = 0;
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}
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if (backed->type != ds_backed) {
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printf ("backed ds has wrong type\n");
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pass = 0;
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}
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if (virtual->type != ds_virtual) {
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printf ("virtual ds has wrong type\n");
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pass = 0;
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}
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pass &= check_init_state (backed, "backed");
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pass &= check_init_state (virtual, "virtual");
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return pass;
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}
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static int
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test_aligned_alloc (void)
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{
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defspace_t *space = defspace_new (ds_virtual);
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struct {
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int size, align;
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} allocations[6] = {
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{ 2, 2 },
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{ 2, 2 },
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{ 1, 1 },
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{ 4, 4 },
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{ 2, 2 },
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{ 2, 2 },
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};
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int offsets[6];
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for (int i = 0; i < 6; i++) {
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offsets[i] = defspace_alloc_aligned_loc (space, allocations[i].size,
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allocations[i].align);
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}
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for (int i = 0; i < 5; i++) {
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for (int j = i + 1; j < 6; j++) {
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if (offsets[i] == offsets[j]) {
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printf ("duplicate offset in allocations");
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printf ("%d %d %d %d %d %d\n",
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offsets[0], offsets[1], offsets[2],
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offsets[3], offsets[4], offsets[5]);
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return 0;
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}
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}
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}
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return 1;
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}
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int
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main (int argc, const char **argv)
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{
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pr.strings = strpool_new ();
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int pass = 1;
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pass &= test_init ();
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pass &= test_aligned_alloc ();
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return !pass;
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}
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