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dqn: Add ASAN poisoning

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This commit is contained in:
doyle
2023-08-27 18:07:13 +10:00
parent faf229c17f
commit 2740987956
9 changed files with 231 additions and 61 deletions
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Misc/dqn_unit_tests.cpp
+19 -7
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@@ -14,6 +14,7 @@
#define STBSP__ASAN __declspec(no_sanitize_address)
#endif
#define DQN_ASAN_POISON 1
#define DQN_NO_CHECK_BREAK
#define DQN_IMPLEMENTATION
#include "dqn.h"
@@ -40,28 +41,30 @@ static Dqn_UTest Dqn_Test_Arena()
DQN_UTEST_TEST("Reused memory is zeroed out") {
Dqn_usize size = DQN_KILOBYTES(128);
Dqn_Arena arena = {};
Dqn_Arena_Grow(&arena, size, /*commit*/ size, /*flags*/ 0);
uint8_t alignment = 1;
Dqn_usize alloc_size = DQN_KILOBYTES(128);
Dqn_MemBlockSizeRequiredResult size_required = Dqn_MemBlock_SizeRequired(nullptr, alloc_size, alignment, Dqn_MemBlockFlag_Nil);
Dqn_Arena arena = {};
Dqn_Arena_Grow(&arena, size_required.block_size, /*commit*/ size_required.block_size, /*flags*/ 0);
// NOTE: Allocate 128 kilobytes, fill it with garbage, then reset the arena
uintptr_t first_ptr_address = 0;
{
Dqn_ArenaTempMemory temp_mem = Dqn_Arena_BeginTempMemory(&arena);
void *ptr = Dqn_Arena_Alloc(&arena, size, 1, Dqn_ZeroMem_Yes);
void *ptr = Dqn_Arena_Alloc(&arena, alloc_size, alignment, Dqn_ZeroMem_Yes);
first_ptr_address = DQN_CAST(uintptr_t)ptr;
DQN_MEMSET(ptr, 'z', size);
DQN_MEMSET(ptr, 'z', alloc_size);
Dqn_Arena_EndTempMemory(temp_mem, false /*cancel*/);
}
// NOTE: Reallocate 128 kilobytes
char *ptr = DQN_CAST(char *)Dqn_Arena_Alloc(&arena, size, 1, Dqn_ZeroMem_Yes);
char *ptr = DQN_CAST(char *)Dqn_Arena_Alloc(&arena, alloc_size, alignment, Dqn_ZeroMem_Yes);
// NOTE: Double check we got the same pointer
DQN_UTEST_ASSERT(&test, first_ptr_address == DQN_CAST(uintptr_t)ptr);
// NOTE: Check that the bytes are set to 0
for (Dqn_usize i = 0; i < size; i++)
for (Dqn_usize i = 0; i < alloc_size; i++)
DQN_UTEST_ASSERT(&test, ptr[i] == 0);
Dqn_Arena_Free(&arena);
}
@@ -1647,6 +1650,15 @@ static Dqn_UTest Dqn_Test_VArray()
DQN_UTEST_ASSERT(&test, array.size == DQN_ARRAY_UCOUNT(array_literal));
DQN_UTEST_ASSERT(&test, DQN_MEMCMP(array.data, array_literal, DQN_ARRAY_UCOUNT(array_literal) * sizeof(array_literal[0])) == 0);
}
DQN_UTEST_TEST("Test adding an array of items after erase") {
uint32_t array_literal[] = {0, 1, 2, 3};
Dqn_VArray_Add<uint32_t>(&array, array_literal, DQN_ARRAY_UCOUNT(array_literal));
uint32_t expected_literal[] = {14, 6, 0, 1, 2, 3};
DQN_UTEST_ASSERT(&test, array.size == DQN_ARRAY_UCOUNT(expected_literal));
DQN_UTEST_ASSERT(&test, DQN_MEMCMP(array.data, expected_literal, DQN_ARRAY_UCOUNT(expected_literal) * sizeof(expected_literal[0])) == 0);
}
}
DQN_UTEST_TEST("Array of unaligned objects are contiguously laid out in memory") {