mirrors/Odin
1
0
Fork 0
mirror of https://github.com/odin-lang/Odin.git synced 2026-01-01 10:52:19 +00:00
Code Issues Packages Projects Releases Wiki Activity

Tracking allocator now tracks bad free calls

Browse Source
This commit is contained in:
Luka Aleksić
2021-01-21 00:19:56 +01:00
parent 53d8ec4d15
commit 00ebc877a1
1 changed files with 18 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
core/mem/allocators.odin
View File

@@ -836,19 +836,26 @@ Tracking_Allocator_Entry :: struct {
alignment: int,
location: runtime.Source_Code_Location,
}
Tracking_Allocator_Bad_Free_Entry :: struct {
memory: rawptr,
location: runtime.Source_Code_Location,
}
Tracking_Allocator :: struct {
backing: Allocator,
allocation_map: map[rawptr]Tracking_Allocator_Entry,
bad_free_array: [dynamic]Tracking_Allocator_Bad_Free_Entry,
clear_on_free_all: bool,
}
tracking_allocator_init :: proc(t: ^Tracking_Allocator, backing_allocator: Allocator, allocation_map_allocator := context.allocator) {
tracking_allocator_init :: proc(t: ^Tracking_Allocator, backing_allocator: Allocator, internals_allocator := context.allocator) {
t.backing = backing_allocator;
t.allocation_map.allocator = allocation_map_allocator;
t.allocation_map.allocator = internals_allocator;
t.bad_free_array.allocator = internals_allocator;
}
tracking_allocator_destroy :: proc(t: ^Tracking_Allocator) {
delete(t.allocation_map);
delete(t.bad_free_array);
}
tracking_allocator :: proc(data: ^Tracking_Allocator) -> Allocator {
@@ -874,7 +881,15 @@ tracking_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode, si
return nil;
}
result := data.backing.procedure(data.backing.data, mode, size, alignment, old_memory, old_size, flags, loc);
result: rawptr;
if mode == .Free && old_memory not_in data.allocation_map {
append(&data.bad_free_array, Tracking_Allocator_Bad_Free_Entry{
memory = old_memory,
location = loc,
});
} else {
result = data.backing.procedure(data.backing.data, mode, size, alignment, old_memory, old_size, flags, loc);
}
if data.allocation_map.allocator.procedure == nil {
data.allocation_map.allocator = context.allocator;