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author | Roland McGrath <roland@gnu.org> | 2003-03-27 02:45:47 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 2003-03-27 02:45:47 +0000 |
commit | 8eed661a56099ba0d4f2e03958ac921d1ca40194 (patch) | |
tree | fd5210d06aa5e159f87cb513c9a37805f5326086 /sysdeps/unix/sysv/linux/arm/mmap64.S | |
parent | 18ef464b2fd20dcfdb57e1ad8eb86a912c874538 (diff) | |
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2003-03-27 Philip Blundell <philb@gnu.org>
* sysdeps/unix/sysv/linux/kernel-features.h
(__ASSUME_VFORK_SYSCALL): Define for kernel 2.4 on arm.
* sysdeps/unix/sysv/linux/arm/vfork.S: Elide compatibility code
when __ASSUME_VFORK_SYSCALL is defined.
* sysdeps/unix/sysv/linux/arm/mmap64.S: Likewise for
__ASSUME_MMAP2_SYSCALL.
* sysdeps/unix/sysv/linux/arm/sigaction.c: Likewise for
__ASSUME_REALTIME_SIGNALS.
Diffstat (limited to 'sysdeps/unix/sysv/linux/arm/mmap64.S')
-rw-r--r-- | sysdeps/unix/sysv/linux/arm/mmap64.S | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/arm/mmap64.S b/sysdeps/unix/sysv/linux/arm/mmap64.S index 1f19bf02e1..3936e25d26 100644 --- a/sysdeps/unix/sysv/linux/arm/mmap64.S +++ b/sysdeps/unix/sysv/linux/arm/mmap64.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2000 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2003 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 @@ -21,6 +21,8 @@ #define EINVAL 22 #define ENOSYS 38 +#include "kernel-features.h" + /* The mmap2 system call takes six arguments, all in registers. */ .text ENTRY (__mmap64) @@ -39,6 +41,10 @@ ENTRY (__mmap64) swi SYS_ify (mmap2) cmn r0, $4096 LOADREGS(ccfd, sp!, {r4, r5, pc}) +# ifdef __ASSUME_MMAP2_SYSCALL + ldmfd sp!, {r4, r5, lr} + b PLTJMP(syscall_error) +# else cmn r0, $ENOSYS ldmnefd sp!, {r4, r5, lr} bne PLTJMP(syscall_error) @@ -49,6 +55,7 @@ ENTRY (__mmap64) teq r5, $0 ldmeqfd sp!, {r4, r5, lr} beq PLTJMP(__mmap) +# endif .Linval: mov r0, $-EINVAL ldmfd sp!, {r4, r5, lr} |