shithub: lu9-lua

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mem: tag allocations for better profiling information

--- a/lauxlib.c

+++ b/lauxlib.c

@@ -1013,8 +1013,9 @@

     free(ptr);

     return NULL;

   }

-  else

-    return realloc(ptr, nsize);

+  ptr = realloc(ptr, nsize);

+  setmalloctag(ptr, getcallerpc(&ud));

+  return ptr;

 }

--- a/lmem.c

+++ b/lmem.c

@@ -171,6 +171,7 @@

   }

   lua_assert((nsize == 0) == (newblock == NULL));

   g->GCdebt = (g->GCdebt + nsize) - osize;

+  setmalloctag(newblock, getcallerpc(&L));

   return newblock;

 }

@@ -180,6 +181,7 @@

   void *newblock = luaM_realloc_(L, block, osize, nsize);

   if (l_unlikely(newblock == NULL && nsize > 0))  /* allocation failed? */

     luaM_error(L);

+  setmalloctag(newblock, getcallerpc(&L));

   return newblock;

 }

@@ -196,6 +198,7 @@

         luaM_error(L);

     }

     g->GCdebt += size;

+  	setmalloctag(newblock, getcallerpc(&L));

     return newblock;

   }

 }