From fbfc078e9f44c1c1e95c9c484f1d5650bcf631b7 Mon Sep 17 00:00:00 2001
From: Benji Dial <benji@benjidial.net>
Date: Sat, 27 Jul 2024 16:57:39 -0400
Subject: lots and lots of userspace stuff

---
 euler/source/std/cstdlib.cpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 euler/source/std/cstdlib.cpp

(limited to 'euler/source/std/cstdlib.cpp')

diff --git a/euler/source/std/cstdlib.cpp b/euler/source/std/cstdlib.cpp
new file mode 100644
index 0000000..cfb4b48
--- /dev/null
+++ b/euler/source/std/cstdlib.cpp
@@ -0,0 +1,19 @@
+#include <euler/heap.hpp>
+#include <cstdlib>
+
+extern "C" [[noreturn]] void abort() noexcept {
+  //TODO
+  while (1)
+    ;
+}
+
+extern "C" void *malloc(size_t size) {
+  size_t *block = (size_t *)euler::heap::get_block(size + 8);
+  *block = size;
+  return block + 1;
+}
+
+extern "C" void free(void *ptr) {
+  size_t *block = (size_t *)ptr - 1;
+  euler::heap::return_block(block, *block + 8);
+}
-- 
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