> compile NEMU

221220000 张三
Linux zzy 5.15.146.1-microsoft-standard-WSL2 #1 SMP Thu Jan 11 04:09:03 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
 20:43:23 up 2 days, 10:57,  1 user,  load average: 0.55, 0.55, 0.46

abstract-machine/klib/src/stdlib.c

@@ -29,12 +29,16 @@ int atoi(const char* nptr) {
   return x;
 }
 
+static uint8_t* ptr;
 void *malloc(size_t size) {
   // On native, malloc() will be called during initializaion of C runtime.
   // Therefore do not call panic() here, else it will yield a dead recursion:
   //   panic() -> putchar() -> (glibc) -> malloc() -> panic()
 #if !(defined(__ISA_NATIVE__) && defined(__NATIVE_USE_KLIB__))
-  panic("Not implemented");
+  if (ptr == NULL) ptr = heap.start;
+  // assert(ptr + size <= heap.end && ptr >= heap.start);
+  ptr += size;
+  return ptr - size;
 #endif
   return NULL;
 }