diff options
Diffstat (limited to 'base/runtime')
| -rw-r--r-- | base/runtime/heap_allocator.odin | 13 | ||||
| -rw-r--r-- | base/runtime/heap_allocator_other.odin | 6 | ||||
| -rw-r--r-- | base/runtime/heap_allocator_unix.odin | 6 | ||||
| -rw-r--r-- | base/runtime/heap_allocator_windows.odin | 49 | ||||
| -rw-r--r-- | base/runtime/os_specific_windows.odin | 57 |
5 files changed, 44 insertions, 87 deletions
diff --git a/base/runtime/heap_allocator.odin b/base/runtime/heap_allocator.odin index a9d299275..c77a14a79 100644 --- a/base/runtime/heap_allocator.odin +++ b/base/runtime/heap_allocator.odin @@ -94,4 +94,17 @@ heap_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode, } return nil, nil +} + + +heap_alloc :: proc(size: int, zero_memory := true) -> rawptr { + return _heap_alloc(size, zero_memory) +} + +heap_resize :: proc(ptr: rawptr, new_size: int) -> rawptr { + return heap_resize(ptr, new_size) +} + +heap_free :: proc(ptr: rawptr) { + _heap_free(ptr) }
\ No newline at end of file diff --git a/base/runtime/heap_allocator_other.odin b/base/runtime/heap_allocator_other.odin index f3f199d7b..45049c7e9 100644 --- a/base/runtime/heap_allocator_other.odin +++ b/base/runtime/heap_allocator_other.odin @@ -2,14 +2,14 @@ //+private package runtime -heap_alloc :: proc(size: int, zero_memory := true) -> rawptr { +_heap_alloc :: proc(size: int, zero_memory := true) -> rawptr { unimplemented("base:runtime 'heap_alloc' procedure is not supported on this platform") } -heap_resize :: proc(ptr: rawptr, new_size: int) -> rawptr { +_heap_resize :: proc(ptr: rawptr, new_size: int) -> rawptr { unimplemented("base:runtime 'heap_resize' procedure is not supported on this platform") } -heap_free :: proc(ptr: rawptr) { +_heap_free :: proc(ptr: rawptr) { unimplemented("base:runtime 'heap_free' procedure is not supported on this platform") }
\ No newline at end of file diff --git a/base/runtime/heap_allocator_unix.odin b/base/runtime/heap_allocator_unix.odin index 87fb655b1..bfbbb5303 100644 --- a/base/runtime/heap_allocator_unix.odin +++ b/base/runtime/heap_allocator_unix.odin @@ -16,7 +16,7 @@ foreign libc { @(link_name="realloc") _unix_realloc :: proc(ptr: rawptr, size: int) -> rawptr --- } -heap_alloc :: proc(size: int, zero_memory := true) -> rawptr { +_heap_alloc :: proc(size: int, zero_memory := true) -> rawptr { if size <= 0 { return nil } @@ -27,12 +27,12 @@ heap_alloc :: proc(size: int, zero_memory := true) -> rawptr { } } -heap_resize :: proc(ptr: rawptr, new_size: int) -> rawptr { +_heap_resize :: proc(ptr: rawptr, new_size: int) -> rawptr { // NOTE: _unix_realloc doesn't guarantee new memory will be zeroed on // POSIX platforms. Ensure your caller takes this into account. return _unix_realloc(ptr, new_size) } -heap_free :: proc(ptr: rawptr) { +_heap_free :: proc(ptr: rawptr) { _unix_free(ptr) }
\ No newline at end of file diff --git a/base/runtime/heap_allocator_windows.odin b/base/runtime/heap_allocator_windows.odin index 1c521c42f..2097c3671 100644 --- a/base/runtime/heap_allocator_windows.odin +++ b/base/runtime/heap_allocator_windows.odin @@ -5,34 +5,35 @@ foreign import kernel32 "system:Kernel32.lib" @(private="file") @(default_calling_convention="system") foreign kernel32 { - // NOTE(bill): The types are not using the standard names (e.g. DWORD and LPVOID) to just minimizing the dependency + // NOTE(bill): The types are not using the standard names (e.g. DWORD and LPVOID) to just minimizing the dependency - // default_allocator - GetProcessHeap :: proc() -> rawptr --- - HeapAlloc :: proc(hHeap: rawptr, dwFlags: u32, dwBytes: uint) -> rawptr --- - HeapReAlloc :: proc(hHeap: rawptr, dwFlags: u32, lpMem: rawptr, dwBytes: uint) -> rawptr --- - HeapFree :: proc(hHeap: rawptr, dwFlags: u32, lpMem: rawptr) -> b32 --- + // default_allocator + GetProcessHeap :: proc() -> rawptr --- + HeapAlloc :: proc(hHeap: rawptr, dwFlags: u32, dwBytes: uint) -> rawptr --- + HeapReAlloc :: proc(hHeap: rawptr, dwFlags: u32, lpMem: rawptr, dwBytes: uint) -> rawptr --- + HeapFree :: proc(hHeap: rawptr, dwFlags: u32, lpMem: rawptr) -> b32 --- } -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)) +_heap_alloc :: proc(size: int, zero_memory := true) -> rawptr { + HEAP_ZERO_MEMORY :: 0x00000008 + return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY if zero_memory else 0, uint(size)) } -heap_resize :: proc "contextless" (ptr: rawptr, new_size: int) -> rawptr { - if new_size == 0 { - heap_free(ptr) - return nil - } - if ptr == nil { - return heap_alloc(new_size) - } +_heap_resize :: proc(ptr: rawptr, new_size: int) -> rawptr { + if new_size == 0 { + _heap_free(ptr) + return nil + } + if ptr == nil { + return _heap_alloc(new_size) + } - HEAP_ZERO_MEMORY :: 0x00000008 - return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, ptr, uint(new_size)) + HEAP_ZERO_MEMORY :: 0x00000008 + return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, ptr, uint(new_size)) } -heap_free :: proc "contextless" (ptr: rawptr) { - if ptr == nil { - return - } - HeapFree(GetProcessHeap(), 0, ptr) +_heap_free :: proc(ptr: rawptr) { + if ptr == nil { + return + } + HeapFree(GetProcessHeap(), 0, ptr) } + diff --git a/base/runtime/os_specific_windows.odin b/base/runtime/os_specific_windows.odin index 3eb96c0cc..74681a3ab 100644 --- a/base/runtime/os_specific_windows.odin +++ b/base/runtime/os_specific_windows.odin @@ -49,60 +49,3 @@ _os_write :: proc "contextless" (data: []byte) -> (n: int, err: _OS_Errno) #no_b n = int(total_write) return } - - - -// -// NOTE(tetra, 2020-01-14): The heap doesn't respect alignment. -// Instead, we overallocate by `alignment + size_of(rawptr) - 1`, and insert -// padding. We also store the original pointer returned by heap_alloc right before -// the pointer we return to the user. -// - - - -_windows_default_alloc_or_resize :: proc "contextless" (size, alignment: int, old_ptr: rawptr = nil, zero_memory := true) -> ([]byte, Allocator_Error) { - if size == 0 { - _windows_default_free(old_ptr) - return nil, nil - } - - a := max(alignment, align_of(rawptr)) - space := size + a - 1 - - allocated_mem: rawptr - if old_ptr != nil { - original_old_ptr := ([^]rawptr)(old_ptr)[-1] - allocated_mem = heap_resize(original_old_ptr, space+size_of(rawptr)) - } else { - allocated_mem = heap_alloc(space+size_of(rawptr), zero_memory) - } - aligned_mem := ([^]u8)(allocated_mem)[size_of(rawptr):] - - ptr := uintptr(aligned_mem) - aligned_ptr := (ptr - 1 + uintptr(a)) & -uintptr(a) - diff := int(aligned_ptr - ptr) - if (size + diff) > space || allocated_mem == nil { - return nil, .Out_Of_Memory - } - - aligned_mem = ([^]byte)(aligned_ptr) - ([^]rawptr)(aligned_mem)[-1] = allocated_mem - - return aligned_mem[:size], nil -} - -_windows_default_alloc :: proc "contextless" (size, alignment: int, zero_memory := true) -> ([]byte, Allocator_Error) { - return _windows_default_alloc_or_resize(size, alignment, nil, zero_memory) -} - - -_windows_default_free :: proc "contextless" (ptr: rawptr) { - if ptr != nil { - heap_free(([^]rawptr)(ptr)[-1]) - } -} - -_windows_default_resize :: proc "contextless" (p: rawptr, old_size: int, new_size: int, new_alignment: int) -> ([]byte, Allocator_Error) { - return _windows_default_alloc_or_resize(new_size, new_alignment, p) -} |