From 840b5c151fcd207e904fb2a6d3bb3fd658ef6209 Mon Sep 17 00:00:00 2001
From: iamcheeseman <dev@iamcheeseman.net>
Date: Fri, 29 May 2026 22:01:18 -0400
Subject: remove the memory tracker in debug mode for asan

---
 teensy/teensy_mem.c | 144 +---------------------------------------------------
 1 file changed, 1 insertion(+), 143 deletions(-)

(limited to 'teensy/teensy_mem.c')

diff --git a/teensy/teensy_mem.c b/teensy/teensy_mem.c
index 65b7486..d32cabf 100644
--- a/teensy/teensy_mem.c
+++ b/teensy/teensy_mem.c
@@ -8,67 +8,11 @@
 uint8_t temp_arena[TEMP_ALLOC_ARENA_SIZE];
 uint8_t *next_temp_alloc = temp_arena;
 
-#ifdef TEENSY_DEBUG
-
-#include <execinfo.h>
-
-#define BACKTRACE_SIZE 16
-
-typedef struct {
-    void *ptr;
-    size_t size;
-    int backtrace_len;
-    char **backtrace;
-} Alloc;
-
-int allocations_cap;
-int allocations_len;
-Alloc *allocations;
-
-#endif // TODO TEENSY_DEBUG
-
-void ty_init_mem(void)
-{
-#ifdef TEENSY_DEBUG
-    allocations_len = 0;
-    allocations_cap = 8;
-    allocations = malloc(sizeof(Alloc) * 8);
-    if (!allocations)
-        ty_log_fatal(TY_ERR_MEM, "(%s) (track) ran out of memory", __func__);
-#endif // TEENSY_DEBUG
-}
-
-void ty_deinit_mem(void)
-{
-#ifdef TEENSY_DEBUG
-    fprintf(stderr, "%d allocations leaked\n", allocations_len);
-    for (int i = 0; i < allocations_len; i++) {
-        Alloc *alloc = &allocations[i];
-        fprintf(
-            stderr,
-            "leaked %zu bytes at %p\n",
-            alloc->size,
-            alloc->ptr
-        );
-        for (int j = 0; j < alloc->backtrace_len; j++) {
-            fprintf(stderr, "\t%s\n", alloc->backtrace[j]);
-        }
-        putc('\n', stderr);
-
-        free(alloc->backtrace);
-    }
-    free(allocations);
-
-    if (allocations_len > 0)
-        exit(TY_ERR_MEM_LEAK);
-#endif // TEENSY_DEBUG
-}
-
 void *ty_talloc(size_t size)
 {
     if (next_temp_alloc > temp_arena + TEMP_ALLOC_ARENA_SIZE)
         ty_log_fatal(TY_ERR_MEM, "bump up the temp alloc arena size");
-        
+
     void *ptr = next_temp_alloc;
     next_temp_alloc += size;
     return ptr;
@@ -86,36 +30,6 @@ void *ty_alloc(size_t size)
     void *ptr = malloc(size);
     if (!ptr)
         ty_log_fatal(TY_ERR_MEM, "(%s) ran out of memory", __func__);
-
-#ifdef TEENSY_DEBUG
-    // Log allocation
-    Alloc alloc;
-    void *bt[BACKTRACE_SIZE];
-    int bt_len = backtrace(bt, BACKTRACE_SIZE);
-    char **symbols = backtrace_symbols(bt, bt_len);
-
-    alloc.ptr = ptr;
-    alloc.size = size;
-    alloc.backtrace_len = bt_len;
-    alloc.backtrace = symbols;
-
-    if (allocations_len + 1 > allocations_cap) {
-        allocations_cap *= 2;
-        allocations = realloc(
-            allocations,
-            sizeof(Alloc) * allocations_cap
-        );
-        if (!allocations)
-            ty_log_fatal(
-                TY_ERR_MEM,
-                "(%s) (track) ran out of memory",
-                __func__
-            );
-    }
-
-    allocations[allocations_len++] = alloc;
-#endif // TEENSY_DEBUG
-
     return ptr;
 }
 
@@ -135,66 +49,10 @@ void *ty_realloc(void *ptr, size_t new_size)
     if (!new_ptr)
         ty_log_fatal(TY_ERR_MEM, "(%s) ran out of memory", __func__);
 
-#ifdef TEENSY_DEBUG
-    for (int i = 0; i < allocations_len; i++) {
-        Alloc *alloc = &allocations[i];
-        if (alloc->ptr == ptr) {
-            alloc->ptr = new_ptr;
-            alloc->size = new_size;
-            break;
-        }
-    }
-#endif // TEENSY_DEBUG
-
     return new_ptr;
 }
 
 void ty_free(void *ptr)
 {
-#ifdef TEENSY_DEBUG
-    bool double_free = true;
-
-    for (int i = 0; i < allocations_len; i++) {
-        Alloc *alloc = &allocations[i];
-        if (alloc->ptr == ptr) {
-            free(alloc->backtrace);
-            *alloc = allocations[allocations_len - 1];
-            allocations_len--;
-            double_free = false;
-            break;
-        }
-    }
-
-    if (double_free) {
-        ty_log_fatal(
-            TY_ERR_MEM,
-            "Double free or freed unowned memory (%p)",
-            ptr
-        );
-    }
-#endif // TEENSY_DEBUG
     free(ptr);
 }
-
-int ty_alloc_count(void)
-{
-#ifdef TEENSY_DEBUG
-    return allocations_len;
-#else
-    return -1;
-#endif
-}
-
-size_t ty_alloc_size(void)
-{
-#ifdef TEENSY_DEBUG
-    size_t total = 0;
-    for (int i = 0; i < allocations_len; i++) {
-        Alloc *alloc = &allocations[i];
-        total += alloc->size;
-    }
-    return total;
-#else
-    return 0;
-#endif
-}
-- 
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