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Add Leak Detection to Ona Heap Allocator #15

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kayomn merged 12 commits from ona-allocator-safety-tracker into main 2023-06-04 16:07:47 +02:00
Conversation 0 Commits 12 Files Changed 9 +15 -12
1 changed files with 15 additions and 12 deletions
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27
source/ona/heap.zig
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@ -9,22 +9,22 @@ const std = @import("std");
/// ///
const stack_trace_frame_size = if (std.debug.sys_can_stack_trace) 16 else 0; const stack_trace_frame_size = if (std.debug.sys_can_stack_trace) 16 else 0;
///
///
///
const AllocationInfo = struct {
stack_frames: [stack_trace_frame_size]usize,
stack_trace: std.builtin.StackTrace,
next_info: ?*AllocationInfo,
size: usize,
};
/// ///
/// ///
/// ///
const Context = struct { const Context = struct {
allocation_info_head: ?*AllocationInfo = null, allocation_info_head: ?*AllocationInfo = null,
///
///
///
const AllocationInfo = struct {
stack_frames: [stack_trace_frame_size]usize,
stack_trace: std.builtin.StackTrace,
next_info: ?*AllocationInfo,
size: usize,
};
/// ///
/// ///
/// ///
@ -167,7 +167,10 @@ pub fn trace_allocations() void {
var current_allocation_info = context.allocation_info_head; var current_allocation_info = context.allocation_info_head;
while (current_allocation_info) |allocation_info| : (current_allocation_info = allocation_info.next_info) { while (current_allocation_info) |allocation_info| : (current_allocation_info = allocation_info.next_info) {
std.debug.print("{d} byte leak detected", .{allocation_info.size}); std.debug.print("{d} byte leak at 0x{x} detected: {}", .{
std.debug.dumpStackTrace(allocation_info.stack_trace); allocation_info.size,
@ptrToInt(allocation_info) + @sizeOf(AllocationInfo),
allocation_info.stack_trace
});
} }
} }