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merge from dev; add mi_malloc_expandable

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daanx 2023-05-19 19:16:36 -07:00
commit 097aebbbe2
25 changed files with 486 additions and 121 deletions
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26
test/main-override-static.c
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@ -21,14 +21,16 @@ static void test_heap_walk(void);
static void test_remap(bool start_remappable);
static void test_remap2(void);
static void test_remap3(void);
static void test_expandable(bool use_realloc);
int main() {
mi_version();
mi_stats_reset();
//test_remap2();
test_remap3();
//test_remap(true);
//test_remap3();
//test_remap(false);
test_expandable(true);
// detect double frees and heap corruption
// double_free1();
@ -247,15 +249,21 @@ static void test_remap3(void) { // by Jason Gibson
mi_free(x);
}
static void test_remap(bool start_remappable) {
static void test_remap_expand(bool start_remappable, bool start_expandable, bool use_expand) {
const size_t iterN = 100;
const size_t size0 = 64 * 1024 * 1024;
const size_t inc = 1024 * 1024;
const size_t expand_size = size0 + 2 * inc; // (iterN * inc);
size_t size = size0;
uint8_t* p = (uint8_t*)(start_remappable ? mi_malloc_remappable(size) : mi_malloc(size));
uint8_t* p = (uint8_t*)(start_remappable ? mi_malloc_remappable(size) : (start_expandable ? mi_malloc_expandable(size, expand_size) : mi_malloc(size)));
memset(p, 1, size);
for (int i = 2; i < iterN; i++) {
p = mi_realloc(p, size + inc);
void* newp = (use_expand ? mi_expand(p, size + inc) : mi_realloc(p, size + inc));
if (use_expand && newp != p) {
printf("error: could not expand in place: i=%i, size %zu\n", i, size + inc);
abort();
}
p = newp;
memset(p + size, i, inc);
size += inc;
printf("%3d: increased to size %zu\n", i, size);
@ -271,6 +279,14 @@ static void test_remap(bool start_remappable) {
mi_free(p);
}
static void test_remap(bool start_remappable) {
test_remap_expand(start_remappable, false, false);
}
static void test_expandable(bool use_realloc) {
test_remap_expand(false, true, !use_realloc);
}
// ----------------------------
// bin size experiments