From 0814bdad52c764ec4f3c010e78d7cdb6418e64e0 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Wed, 23 Aug 2006 19:27:42 +0000 Subject: sync with upstream via psm --- libc/sysdeps/linux/arm/bits/fcntl.h | 92 ++++++++++++++++++++++++---------- libc/sysdeps/linux/arm/bits/huge_val.h | 82 +++++++++--------------------- libc/sysdeps/linux/arm/bits/mathdef.h | 6 +-- libc/sysdeps/linux/arm/bits/mman.h | 7 ++- libc/sysdeps/linux/arm/sys/ucontext.h | 33 ++++++------ 5 files changed, 115 insertions(+), 105 deletions(-) (limited to 'libc/sysdeps/linux/arm') diff --git a/libc/sysdeps/linux/arm/bits/fcntl.h b/libc/sysdeps/linux/arm/bits/fcntl.h index 536851525..c7d667a6a 100644 --- a/libc/sysdeps/linux/arm/bits/fcntl.h +++ b/libc/sysdeps/linux/arm/bits/fcntl.h @@ -21,35 +21,34 @@ # error "Never use directly; include instead." #endif - #include +#ifdef __USE_GNU +# include +#endif + /* open/fcntl - O_SYNC is only implemented on blocks devices and on files located on an ext2 file system */ -#define O_ACCMODE 0003 -#define O_RDONLY 00 -#define O_WRONLY 01 -#define O_RDWR 02 -#define O_CREAT 0100 /* not fcntl */ -#define O_EXCL 0200 /* not fcntl */ -#define O_NOCTTY 0400 /* not fcntl */ -#define O_TRUNC 01000 /* not fcntl */ -#define O_APPEND 02000 -#define O_NONBLOCK 04000 +#define O_ACCMODE 0003 +#define O_RDONLY 00 +#define O_WRONLY 01 +#define O_RDWR 02 +#define O_CREAT 0100 /* not fcntl */ +#define O_EXCL 0200 /* not fcntl */ +#define O_NOCTTY 0400 /* not fcntl */ +#define O_TRUNC 01000 /* not fcntl */ +#define O_APPEND 02000 +#define O_NONBLOCK 04000 #define O_NDELAY O_NONBLOCK -#define O_SYNC 010000 -#define O_FSYNC O_SYNC -#define O_ASYNC 020000 +#define O_SYNC 010000 +#define O_FSYNC O_SYNC +#define O_ASYNC 020000 #ifdef __USE_GNU -# define O_DIRECTORY 040000 /* Must be a directory. */ +# define O_DIRECTORY 040000 /* Must be a directory. */ # define O_NOFOLLOW 0100000 /* Do not follow links. */ # define O_DIRECT 0200000 /* Direct disk access. */ -# define O_NOATIME 01000000 /* Do not set atime. */ -#endif - -#ifdef __USE_LARGEFILE64 -# define O_LARGEFILE 0400000 +# define O_NOATIME 01000000 /* Do not set atime. */ #endif /* For now Linux has synchronisity options for data and read operations. @@ -60,13 +59,16 @@ # define O_RSYNC O_SYNC /* Synchronize read operations. */ #endif +#ifdef __USE_LARGEFILE64 +# define O_LARGEFILE 0400000 +#endif + /* Values for the second argument to `fcntl'. */ #define F_DUPFD 0 /* Duplicate file descriptor. */ #define F_GETFD 1 /* Get file descriptor flags. */ #define F_SETFD 2 /* Set file descriptor flags. */ #define F_GETFL 3 /* Get file status flags. */ #define F_SETFL 4 /* Set file status flags. */ - #ifndef __USE_FILE_OFFSET64 # define F_GETLK 5 /* Get record locking info. */ # define F_SETLK 6 /* Set record locking info (non-blocking). */ @@ -104,12 +106,12 @@ #define F_WRLCK 1 /* Write lock. */ #define F_UNLCK 2 /* Remove lock. */ -/* for old implementation of bsd flock () */ +/* For old implementation of bsd flock(). */ #define F_EXLCK 4 /* or 3 */ #define F_SHLCK 8 /* or 4 */ #ifdef __USE_BSD -/* Operations for bsd flock(), also used by the kernel implementation */ +/* Operations for bsd flock(), also used by the kernel implementation. */ # define LOCK_SH 1 /* shared lock */ # define LOCK_EX 2 /* exclusive lock */ # define LOCK_NB 4 /* or'd with one of the above to prevent @@ -180,16 +182,54 @@ struct flock64 # define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ #endif -/* Linux-specific operations for posix_fadvise. */ + #ifdef __USE_GNU -# define LINUX_FADV_ASYNC_WRITE 32 /* Start writeout on range. */ -# define LINUX_FADV_WRITE_WAIT 33 /* Wait upon writeout to range. */ +/* Flags for SYNC_FILE_RANGE. */ +# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages + in the range before performing the + write. */ +# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those + dirty pages in the range which are + not presently under writeback. */ +# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in + the range after performing the + write. */ + +/* Flags for SPLICE and VMSPLICE. */ +# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */ +# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing + (but we may still block on the fd + we splice from/to). */ +# define SPLICE_F_MORE 4 /* Expect more data. */ +# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */ #endif __BEGIN_DECLS +#if 0 /*def __USE_GNU*/ + /* Provide kernel hint to read ahead. */ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count) __THROW; + +/* Selective file content synch'ing. */ +extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to, + unsigned int __flags); + + +/* Splice address range into a pipe. */ +extern int vmsplice (int __fdout, const struct iovec *__iov, size_t __count, + unsigned int __flags); + +/* Splice two files together. */ +extern int splice (int __fdin, int __fdout, size_t __len, unsigned int __flags) + __THROW; + +/* In-kernel implementation of tee for pipe buffers. */ +extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags) + __THROW; + +#endif + __END_DECLS diff --git a/libc/sysdeps/linux/arm/bits/huge_val.h b/libc/sysdeps/linux/arm/bits/huge_val.h index 625cdc5c3..a215f3c0b 100644 --- a/libc/sysdeps/linux/arm/bits/huge_val.h +++ b/libc/sysdeps/linux/arm/bits/huge_val.h @@ -1,7 +1,8 @@ -/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity). +/* `HUGE_VAL' constant for IEEE 754 machines (where it is infinity). Used by and functions for overflow. ARM version. - Copyright (C) 1992, 95, 96, 97, 98, 99, 2000 Free Software Foundation, Inc. + Copyright (C) 1992, 95, 96, 97, 98, 99, 2000, 2004 + 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 @@ -23,24 +24,25 @@ # error "Never use directly; include instead." #endif -#include - /* IEEE positive infinity (-HUGE_VAL is negative infinity). */ -#ifdef __GNUC__ - -# if __GNUC_PREREQ(2,96) - -# define HUGE_VAL (__extension__ 0x1.0p2047) - -# else +#if __GNUC_PREREQ(3,3) +# define HUGE_VAL (__builtin_huge_val()) +#elif __GNUC_PREREQ(2,96) +# define HUGE_VAL (__extension__ 0x1.0p2047) +#elif defined __GNUC__ -# define HUGE_VAL \ +#ifndef __CONFIG_ARM_EABI__ +# define HUGE_VAL \ (__extension__ \ ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \ { __l: 0x000000007ff00000ULL }).__d) - -# endif +#else +# define HUGE_VAL \ + (__extension__ \ + ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \ + { __l: 0x7ff0000000000000ULL }).__d) +#endif #else /* not GCC */ @@ -48,57 +50,23 @@ typedef union { unsigned char __c[8]; double __d; } __huge_val_t; +#ifndef __CONFIG_ARM_EABI__ # if __BYTE_ORDER == __BIG_ENDIAN # define __HUGE_VAL_bytes { 0, 0, 0, 0, 0x7f, 0xf0, 0, 0 } # endif # if __BYTE_ORDER == __LITTLE_ENDIAN # define __HUGE_VAL_bytes { 0, 0, 0xf0, 0x7f, 0, 0, 0, 0 } # endif +#else +# if __BYTE_ORDER == __BIG_ENDIAN +# define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } +# endif +# if __BYTE_ORDER == __LITTLE_ENDIAN +# define __HUGE_VAL_bytes { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f } +# endif +#endif static __huge_val_t __huge_val = { __HUGE_VAL_bytes }; # define HUGE_VAL (__huge_val.__d) #endif /* GCC. */ - - -/* ISO C99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */ - -#ifdef __USE_ISOC99 - -# ifdef __GNUC__ - -# if __GNUC_PREREQ(2,96) - -# define HUGE_VALF (__extension__ 0x1.0p255f) - -# else - -# define HUGE_VALF \ - (__extension__ \ - ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \ - { __l: 0x7f800000UL }).__d) - -# endif - -# else /* not GCC */ - -typedef union { unsigned char __c[4]; float __f; } __huge_valf_t; - -# if __BYTE_ORDER == __BIG_ENDIAN -# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 } -# endif -# if __BYTE_ORDER == __LITTLE_ENDIAN -# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f } -# endif - -static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes }; -# define HUGE_VALF (__huge_valf.__f) - -# endif /* GCC. */ - - -/* Generally there is no separate `long double' format and it is the - same as `double'. */ -# define HUGE_VALL HUGE_VAL - -#endif /* __USE_ISOC99. */ diff --git a/libc/sysdeps/linux/arm/bits/mathdef.h b/libc/sysdeps/linux/arm/bits/mathdef.h index 44d7f0dde..e013e74b7 100644 --- a/libc/sysdeps/linux/arm/bits/mathdef.h +++ b/libc/sysdeps/linux/arm/bits/mathdef.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1999, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1999, 2000, 2004 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 @@ -29,10 +29,6 @@ typedef float float_t; /* `float' expressions are evaluated as typedef double double_t; /* `double' expressions are evaluated as `double'. */ -/* Define `INFINITY' as value of type `float'. */ -# define INFINITY HUGE_VALF - - /* The values returned by `ilogb' for 0 and NaN respectively. */ # define FP_ILOGB0 (-2147483647) # define FP_ILOGBNAN (2147483647) diff --git a/libc/sysdeps/linux/arm/bits/mman.h b/libc/sysdeps/linux/arm/bits/mman.h index 7430f15b3..828ec944c 100644 --- a/libc/sysdeps/linux/arm/bits/mman.h +++ b/libc/sysdeps/linux/arm/bits/mman.h @@ -1,5 +1,5 @@ /* Definitions for POSIX memory map interface. Linux/ARM version. - Copyright (C) 1997, 2000, 2003, 2005 Free Software Foundation, Inc. + Copyright (C) 1997, 2000, 2003, 2005, 2006 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 @@ -18,7 +18,7 @@ 02111-1307 USA. */ #ifndef _SYS_MMAN_H -# error "Never include this file directly. Use instead" +# error "Never use directly; include instead." #endif /* The following definitions basically come from the kernel headers. @@ -88,6 +88,9 @@ # define MADV_SEQUENTIAL 2 /* Expect sequential page references. */ # define MADV_WILLNEED 3 /* Will need these pages. */ # define MADV_DONTNEED 4 /* Don't need these pages. */ +# define MADV_REMOVE 9 /* Remove these pages and resources. */ +# define MADV_DONTFORK 10 /* Do not inherit across fork. */ +# define MADV_DOFORK 11 /* Do inherit across fork. */ #endif /* The POSIX people had to invent similar names for the same things. */ diff --git a/libc/sysdeps/linux/arm/sys/ucontext.h b/libc/sysdeps/linux/arm/sys/ucontext.h index 1260ee594..9ecff7b59 100644 --- a/libc/sysdeps/linux/arm/sys/ucontext.h +++ b/libc/sysdeps/linux/arm/sys/ucontext.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc. +/* Copyright (C) 1998, 1999, 2001, 2006 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 @@ -24,12 +24,15 @@ #include #include #include + +/* We need the signal context definitions even if they are not used + included in . */ #include typedef int greg_t; /* Number of general registers. */ -#define NGREG 16 +#define NGREG 18 /* Container for all general registers. */ typedef elf_gregset_t gregset_t; @@ -74,21 +77,21 @@ enum /* Structure to describe FPU registers. */ typedef elf_fpregset_t fpregset_t; -/* Context to describe whole processor state. */ -typedef struct - { - gregset_t gregs; - fpregset_t fpregs; - } mcontext_t; +/* Context to describe whole processor state. This only describes + the core registers; coprocessor registers get saved elsewhere + (e.g. in uc_regspace, or somewhere unspecified on the stack + during non-RT signal handlers). */ +typedef struct sigcontext mcontext_t; /* Userlevel context. */ typedef struct ucontext -{ - unsigned long uc_flags; - struct ucontext *uc_link; - stack_t uc_stack; - struct sigcontext uc_mcontext; - sigset_t uc_sigmask; /* mask last for extensibility */ -} ucontext_t; + { + unsigned long uc_flags; + struct ucontext *uc_link; + stack_t uc_stack; + mcontext_t uc_mcontext; + __sigset_t uc_sigmask; + unsigned long uc_regspace[128] __attribute__((__aligned__(8))); + } ucontext_t; #endif /* sys/ucontext.h */ -- cgit v1.2.3