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authorRoland McGrath <roland@gnu.org>2002-09-17 07:53:26 +0000
committerRoland McGrath <roland@gnu.org>2002-09-17 07:53:26 +0000
commit51a8c49db365f26a16ee99d5e1a6aa65f3df4643 (patch)
tree5d7dd1fa7fd9a82ebaacdd96d50cbf2843e4f6a0 /sysdeps
parent735d67f2f832234be907c48866edb821b76b87c4 (diff)
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* sysdeps/unix/sysv/linux/kernel-features.h [__powerpc64__]
(__ASSUME_TRUNCATE64_SYSCALL, __ASSUME_STAT64_SYSCALL, __ASSUME_IPC64, __ASSUME_FCNTL64, __ASSUME_MMAP2_SYSCALL): Don't define these. PowerPC64 does not have separate 64-bit syscalls.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/kernel-features.h54
1 files changed, 39 insertions, 15 deletions
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index e62e90c8e0..c56ed52cba 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -103,27 +103,44 @@
# define __ASSUME_STAT64_SYSCALL 1
#endif
-/* I know for sure that these are in 2.3.35 on powerpc. */
+/* I know for sure that getrlimit are in 2.3.35 on powerpc. */
#if __LINUX_KERNEL_VERSION >= 131875 && defined __powerpc__
+# define __ASSUME_NEW_GETRLIMIT_SYSCALL 1
+#endif
+
+/* I know for sure that these are in 2.3.35 on powerpc. But PowerPC64 does not
+ support separate 64-bit syscalls, already 64-bit */
+#if __LINUX_KERNEL_VERSION >= 131875 && defined __powerpc__ \
+ && !defined __powerpc64__
# define __ASSUME_TRUNCATE64_SYSCALL 1
# define __ASSUME_STAT64_SYSCALL 1
-# define __ASSUME_NEW_GETRLIMIT_SYSCALL 1
#endif
-/* Linux 2.3.39 introduced 32bit UID/GIDs and IPC64. Some platforms had 32
+/* Linux 2.3.39 introduced 32bit UID/GIDs. Some platforms had 32
bit type all along. */
#if __LINUX_KERNEL_VERSION >= 131879 || defined __powerpc__ || defined __mips__
# define __ASSUME_32BITUIDS 1
-# ifndef __powerpc__
-# define __ASSUME_IPC64 1
-# endif
-# ifdef __sparc__
-# define __ASSUME_SETRESUID_SYSCALL 1
-# endif
#endif
-/* Linux 2.4.0 on PPC introduced a correct IPC64. */
-#if __LINUX_KERNEL_VERSION >= 132096 && defined __powerpc__
+/* Linux 2.3.39 sparc added setresuid. */
+#if __LINUX_KERNEL_VERSION >= 131879 && defined __sparc__
+# define __ASSUME_SETRESUID_SYSCALL
+#endif
+
+/* Linux 2.3.39 introduced IPC64. Except for powerpc. */
+#if __LINUX_KERNEL_VERSION >= 131879 && !defined __powerpc__
+# define __ASSUME_IPC64 1
+#endif
+
+/* mips platforms had IPC64 all along. */
+#if defined __mips__
+# define __ASSUME_IPC64 1
+#endif
+
+/* Linux 2.4.0 on PPC introduced a correct IPC64. But PowerPC64 does not
+ support a separate 64-bit sys call, already 64-bit */
+#if __LINUX_KERNEL_VERSION >= 132096 && defined __powerpc__ \
+ && !defined __powerpc64__
# define __ASSUME_IPC64 1
#endif
@@ -147,9 +164,11 @@
#endif
/* Arm got fcntl64 in 2.4.4, PowerPC and SH have it also in 2.4.4 (I
- don't know when it got introduced). */
+ don't know when it got introduced). But PowerPC64 does not support
+ separate FCNTL64 call, FCNTL is already 64-bit */
#if __LINUX_KERNEL_VERSION >= 132100 \
- && (defined __arm__ || defined __powerpc__ || defined __sh__)
+ && (defined __arm__ || defined __powerpc__ || defined __sh__) \
+ && !defined __powerpc64__
# define __ASSUME_FCNTL64 1
#endif
@@ -177,10 +196,15 @@
# define __ASSUME_AT_XID 1
#endif
-/* Starting with 2.4.5 kernels PPC passes the AUXV in the standard way
- and the mmap2 syscall made it into the official kernel. */
+/* Starting with 2.4.5 kernels PPC passes the AUXV in the standard way. */
#if __LINUX_KERNEL_VERSION >= (132096+5) && defined __powerpc__
# define __ASSUME_STD_AUXV 1
+#endif
+
+/* Starting with 2.4.5 kernels the mmap2 syscall made it into the official
+ kernel. But PowerPC64 does not support a separate MMAP2 call. */
+#if __LINUX_KERNEL_VERSION >= (132096+5) && defined __powerpc__ \
+ && !defined __powerpc64__
# define __ASSUME_MMAP2_SYSCALL 1
#endif