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Add asan support for various allocators

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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
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core/mem/virtual/virtual_windows.odin
+11 -1
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@@ -83,6 +83,8 @@ foreign Kernel32 {
dwNumberOfBytesToMap: uint,
) -> rawptr ---
}
@(no_sanitize_address)
_reserve :: proc "contextless" (size: uint) -> (data: []byte, err: Allocator_Error) {
result := VirtualAlloc(nil, size, MEM_RESERVE, PAGE_READWRITE)
if result == nil {
@@ -93,6 +95,7 @@ _reserve :: proc "contextless" (size: uint) -> (data: []byte, err: Allocator_Err
return
}
@(no_sanitize_address)
_commit :: proc "contextless" (data: rawptr, size: uint) -> Allocator_Error {
result := VirtualAlloc(data, size, MEM_COMMIT, PAGE_READWRITE)
if result == nil {
@@ -107,12 +110,18 @@ _commit :: proc "contextless" (data: rawptr, size: uint) -> Allocator_Error {
}
return nil
}
@(no_sanitize_address)
_decommit :: proc "contextless" (data: rawptr, size: uint) {
VirtualFree(data, size, MEM_DECOMMIT)
}
@(no_sanitize_address)
_release :: proc "contextless" (data: rawptr, size: uint) {
VirtualFree(data, 0, MEM_RELEASE)
}
@(no_sanitize_address)
_protect :: proc "contextless" (data: rawptr, size: uint, flags: Protect_Flags) -> bool {
pflags: u32
pflags = PAGE_NOACCESS
@@ -136,7 +145,7 @@ _protect :: proc "contextless" (data: rawptr, size: uint, flags: Protect_Flags)
}
@(no_sanitize_address)
_platform_memory_init :: proc() {
sys_info: SYSTEM_INFO
GetSystemInfo(&sys_info)
@@ -147,6 +156,7 @@ _platform_memory_init :: proc() {
}
@(no_sanitize_address)
_map_file :: proc "contextless" (fd: uintptr, size: i64, flags: Map_File_Flags) -> (data: []byte, error: Map_File_Error) {
page_flags: u32
if flags == {.Read} {