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add mi_reserve_os_memory/mi_manage_os_memory; allow arena allocations to cross multiple bitmap fields

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This commit is contained in:
daan 2020-09-07 21:34:34 -07:00
parent d8f8159dda
commit c7272afa9a
7 changed files with 340 additions and 58 deletions
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22
test/main-override-static.c
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@ -14,6 +14,7 @@ static void block_overflow1();
static void invalid_free();
static void test_aslr(void);
static void test_process_info(void);
static void test_reserved(void);
int main() {
mi_version();
@ -24,7 +25,8 @@ int main() {
// corrupt_free();
// block_overflow1();
// test_aslr();
invalid_free();
// invalid_free();
// test_reserved();
void* p1 = malloc(78);
void* p2 = malloc(24);
@ -147,4 +149,20 @@ static void test_process_info(void) {
}
mi_process_info(&user_msecs, &system_msecs, &current_rss, &peak_rss, &current_commit, &peak_commit, &page_faults);
printf("\n\n*** process info: user: %3zd.%03zd s, rss: %zd b, commit: %zd b\n\n", user_msecs/1000, user_msecs%1000, peak_rss, peak_commit);
}
}
static void test_reserved(void) {
#define KiB 1024ULL
#define MiB (KiB*KiB)
#define GiB (MiB*KiB)
mi_reserve_os_memory(4*GiB, false, true);
void* p1 = malloc(100);
void* p2 = malloc(100000);
void* p3 = malloc(2*GiB);
void* p4 = malloc(1*GiB + 100000);
free(p1);
free(p2);
free(p3);
p3 = malloc(1*GiB);
free(p4);
}