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authorUlrich Drepper <drepper@redhat.com>1999-05-19 15:35:26 +0000
committerUlrich Drepper <drepper@redhat.com>1999-05-19 15:35:26 +0000
commit1c25bcacbe58057d511fb5eae19a0af5d43a2b75 (patch)
tree0c7bd762a77adcc1d12824bb211f54633e66c175 /bits/environments.h
parent2acd8fcfc4b8c76f34a304087c7a539102eddb6b (diff)
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Update.
1999-05-19 Jakub Jelinek <jj@ultra.linux.cz> * sysdeps/generic/bits/elfclass.h: Version common to wordsize-32 and wordsize-64. * sysdeps/generic/bits/environments.h: Ditto. * sysdeps/generic/stdint.h: Ditto. * sysdeps/generic/inttypes.h: Ditto. * sysdeps/generic/bits/wordsize.h: New file. * stdlib/Makefile: Add bits/wordsize.h to headers. * sysdeps/sparc/sparc64/bits/wordsize.h: New file. * sysdeps/sparc/sparc64/fpu/bits/fenv.h: Allow the same exported headers to be used for 32bit and 64bit ABI compilations. * sysdeps/sparc/sparc64/fpu/fpu_control.h: Ditto. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h: Ditto. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h: Ditto. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/statfs.h: Ditto. * sysdeps/unix/sysv/linux/sparc/sparc64/sys/ucontext.h: Ditto. * sysdeps/wordsize-64/bits/elfclass.h: Remove. * sysdeps/wordsize-64/bits/environments.h: Remove. * sysdeps/wordsize-64/stdint.h: Remove. * sysdeps/wordsize-64/inttypes.h: Remove. * sysdeps/wordsize-64/bits/wordsize.h: New file. * sysdeps/wordsize-32/bits/elfclass.h: Remove. * sysdeps/wordsize-32/bits/environments.h: Remove. * sysdeps/wordsize-32/stdint.h: Remove. * sysdeps/wordsize-32/inttypes.h: Remove. * sysdeps/wordsize-32/bits/wordsize.h: New file. 1999-05-19 Jakub Jelinek <jj@ultra.linux.cz> * sysdeps/sparc/sparc64/memcpy.S (__align_cpy_4, __align_cpy_8, __align_cpy_16): New functions. (__align_cpy_2, __align_cpy_1): New aliases to memcpy. * sysdeps/sparc/sparc32/Versions: New file. * sysdeps/sparc/sparc64/Versions: New file. * sysdeps/sparc/Versions: Remove. 1999-05-19 Jakub Jelinek <jj@ultra.linux.cz> * sysdeps/unix/sysv/linux/configure.in: On sparc64-*-linux*, set slibdir to /lib64 if prefix is /usr, plus set libdir to ${exec_prefix}/lib64. * sysdeps/unix/sysv/linux/configure: Regenerated. * config.make.in: Propagate libdir settings from configure to the Makefiles. * shlib-versions: sparc64-*-linux* dynamic linker is /lib64/ld-linux.so.2.
Diffstat (limited to 'bits/environments.h')
-rw-r--r--bits/environments.h28
1 files changed, 26 insertions, 2 deletions
diff --git a/bits/environments.h b/bits/environments.h
index 8ed19906b4..f3af20655a 100644
--- a/bits/environments.h
+++ b/bits/environments.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -20,6 +20,8 @@
# error "Never include this file directly. Use <unistd.h> instead"
#endif
+#include <bits/wordsize.h>
+
/* This header should define the following symbols under the described
situations. A value `1' means that the model is always supported,
`-1' means it is never supported. Undefined means it cannot be
@@ -32,4 +34,26 @@
_XBS5_LPBIG_OFFBIG 64bit long and pointers and large off_t type
*/
-#endif /* environments.h */
+#if __WORDSIZE == 64
+
+/* We can never provide environments with 32-bit wide pointers. */
+# define _XBS5_ILP32_OFF32 -1
+# define _XBS5_ILP32_OFFBIG -1
+
+/* By default we have 64-bit wide `long int', pointers and `off_t'. */
+# define _XBS5_LP64_OFF32 1
+# define _XBS5_LPBIG_OFFBIG 1
+
+#else /* __WORDSIZE == 32 */
+
+/* By default we have 32-bit wide `int', `long int', pointers and `off_t'. */
+# define _XBS5_ILP32_OFF32 1
+
+/* We optionally provide an environment with the above size but an 64-bit
+ side `off_t'. Therefore we don't define _XBS5_ILP32_OFFBIG. */
+
+/* We can never provide environments with 64-bit wide pointers. */
+# define _XBS5_LP64_OFF64 -1
+# define _XBS5_LPBIG_OFFBIG -1
+
+#endif /* __WORDSIZE == 32 */