8329546: Assume sized integral types are available

Reviewed-by: iklam, jwaters

src/hotspot/share/utilities/globalDefinitions_gcc.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,9 +32,11 @@
 // declarations and a few frequently used utility functions.
 
 #include <ctype.h>
+#include <inttypes.h>
 #include <string.h>
 #include <stdarg.h>
 #include <stddef.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <wchar.h>
@@ -49,7 +51,6 @@
 #include <errno.h>
 
 #if defined(LINUX) || defined(_ALLBSD_SOURCE)
-#include <inttypes.h>
 #include <signal.h>
 #ifndef __OpenBSD__
 #include <ucontext.h>
@@ -79,28 +80,6 @@
   #define NULL_WORD  NULL
 #endif
 
-#if !defined(LINUX) && !defined(_ALLBSD_SOURCE)
-// Compiler-specific primitive types
-typedef unsigned short     uint16_t;
-#ifndef _UINT32_T
-#define _UINT32_T
-typedef unsigned int       uint32_t;
-#endif // _UINT32_T
-
-#if !defined(_SYS_INT_TYPES_H)
-#ifndef _UINT64_T
-#define _UINT64_T
-typedef unsigned long long uint64_t;
-#endif // _UINT64_T
-// %%%% how to access definition of intptr_t portably in 5.5 onward?
-typedef int                     intptr_t;
-typedef unsigned int            uintptr_t;
-// If this gets an error, figure out a symbol XXX that implies the
-// prior definition of intptr_t, and add "&& !defined(XXX)" above.
-#endif // _SYS_INT_TYPES_H
-
-#endif // !LINUX && !_ALLBSD_SOURCE
-
 // checking for nanness
 #if defined(__APPLE__)
 inline int g_isnan(double f) { return isnan(f); }