[PATCH 27/27] Fix PTRDIFF_MIN/PTRDIFF_MIN and PTRDIFF_MIN for ILP32.

Yury Norov
2016-06-21T05:13:53Z

From: Andrew Pinski <apinski@cavium.com>

Signed-off-by: Andrew Pinski <apinski@cavium.com>
Signed-off-by: Yury Norov <ynorov@caviumnetworks.com>
---
sysdeps/aarch64/bits/wordsize.h | 8 +++-----
sysdeps/generic/stdint.h | 9 +++++++--
2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/sysdeps/aarch64/bits/wordsize.h b/sysdeps/aarch64/bits/wordsize.h
index 3d5a79d..18697e2 100644
--- a/sysdeps/aarch64/bits/wordsize.h
+++ b/sysdeps/aarch64/bits/wordsize.h
@@ -19,12 +19,10 @@
# define __WORDSIZE 64
#else
# define __WORDSIZE 32
+# define __WORDSIZE32_SIZE_ULONG 1
+# define __WORDSIZE32_PTRDIFF_LONG 1
#endif

-/* LP64 and ILP32s ABI uses a 64bit time_t.
- This allows aarch32 and AARCH64 applications
+/* This allows ILP32 and AARCH64 applications
both access utmp. */
#define __WORDSIZE_TIME64_COMPAT32 1
-
-/* LP64 and ILP32 use the 64bit system call interface. */
-#define __SYSCALL_WORDSIZE 64
diff --git a/sysdeps/generic/stdint.h b/sysdeps/generic/stdint.h
index 4427627..05f895a 100644
--- a/sysdeps/generic/stdint.h
+++ b/sysdeps/generic/stdint.h
@@ -248,8 +248,13 @@ typedef unsigned long long int uintmax_t;
# define PTRDIFF_MIN (-9223372036854775807L-1)
# define PTRDIFF_MAX (9223372036854775807L)
# else
-# define PTRDIFF_MIN (-2147483647-1)
-# define PTRDIFF_MAX (2147483647)
+# ifdef __WORDSIZE32_PTRDIFF_LONG
+# define PTRDIFF_MIN (-2147483647L-1)
+# define PTRDIFF_MAX (2147483647L)
+# else
+# define PTRDIFF_MIN (-2147483647-1)
+# define PTRDIFF_MAX (2147483647)
+# endif
# endif

/* Limits of `sig_atomic_t'. */
--
2.7.4