Add asan support for various allocators

This commit is contained in:
Lucas Perlind
2025-05-06 14:55:50 +10:00
parent 8032db3484
commit 83bc2d3c4a
17 changed files with 308 additions and 100 deletions
+10 -2
View File
@@ -1,5 +1,7 @@
package runtime
import "../sanitizer"
foreign import kernel32 "system:Kernel32.lib"
@(private="file")
@@ -16,7 +18,10 @@ foreign kernel32 {
_heap_alloc :: proc "contextless" (size: int, zero_memory := true) -> rawptr {
HEAP_ZERO_MEMORY :: 0x00000008
return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY if zero_memory else 0, uint(size))
ptr := HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY if zero_memory else 0, uint(size))
// NOTE(lucas): asan not guarunteed to unpoison win32 heap out of the box, do it ourselves
sanitizer.address_unpoison(ptr, size)
return ptr
}
_heap_resize :: proc "contextless" (ptr: rawptr, new_size: int) -> rawptr {
if new_size == 0 {
@@ -28,7 +33,10 @@ _heap_resize :: proc "contextless" (ptr: rawptr, new_size: int) -> rawptr {
}
HEAP_ZERO_MEMORY :: 0x00000008
return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, ptr, uint(new_size))
new_ptr := HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, ptr, uint(new_size))
// NOTE(lucas): asan not guarunteed to unpoison win32 heap out of the box, do it ourselves
sanitizer.address_unpoison(new_ptr, new_size)
return new_ptr
}
_heap_free :: proc "contextless" (ptr: rawptr) {
if ptr == nil {