[Logs] print size and caps when malloc fails

components/heap/heap_caps.c

@@ -54,6 +54,26 @@ IRAM_ATTR static void *dram_alloc_to_iram_addr(void *addr, size_t len)
     return iptr + 1;
 }
 
+#ifdef CONFIG_HEAP_ABORT_WHEN_ALLOCATION_FAILS
+static void cat(char* dest, const char* src)
+{
+    size_t sLen = strlen(src);
+    size_t dLen = strlen(dest);
+    memcpy(dest + dLen, src, sLen + 1); 
+}
+
+static void fmt_abort_str(char* dest, size_t requested_size, uint32_t caps)
+{
+    char sSize[11];
+    char sCaps[9];
+    itoa(requested_size, sSize, 10);
+    itoa(caps, sCaps, 16);
+    cat(dest, "Memory allocation failed. size: ");
+    cat(dest, sSize);
+    cat(dest, " caps: 0x");
+    cat(dest, sCaps);
+}
+#endif
 
 IRAM_ATTR NOINLINE_ATTR static void heap_caps_alloc_failed(size_t requested_size, uint32_t caps, const char *function_name)
 {
@@ -62,7 +82,10 @@ IRAM_ATTR NOINLINE_ATTR static void heap_caps_alloc_failed(size_t requested_size
     }
 
 #ifdef CONFIG_HEAP_ABORT_WHEN_ALLOCATION_FAILS
-    esp_system_abort("Memory allocation failed");
+    static char buf[70];
+    memset(buf, 0, sizeof(buf));
+    fmt_abort_str(buf, requested_size, caps);
+    esp_system_abort(buf);
 #endif
 }