diff options
Diffstat (limited to 'libc/sysdeps/unix/sysv/linux/s390/s390-32')
4 files changed, 8 insertions, 72 deletions
diff --git a/libc/sysdeps/unix/sysv/linux/s390/s390-32/getrlimit.c b/libc/sysdeps/unix/sysv/linux/s390/s390-32/getrlimit.c deleted file mode 100644 index fc06dbd64..000000000 --- a/libc/sysdeps/unix/sysv/linux/s390/s390-32/getrlimit.c +++ /dev/null @@ -1 +0,0 @@ -#include <sysdeps/unix/sysv/linux/i386/getrlimit.c> diff --git a/libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S b/libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S index 6e5ba94c1..0357ab461 100644 --- a/libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S +++ b/libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2000, 2001, 2007 Free Software Foundation, Inc. +/* Copyright (C) 2000-2012 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -40,8 +40,8 @@ ENTRY(__mmap) cfi_adjust_cfa_offset (120) st %r1,0(%r15) /* store back chain */ - /* Store parameters on stack, because old_mmap/mmap2 - * take only one parameter: a pointer to the parameter area + /* Store parameters on stack, because mmap2 + * takes only one parameter: a pointer to the parameter area */ st %r6,0x70(%r15) /* Store 'fd'. */ st %r5,0x6C(%r15) /* Store 'flags'. */ @@ -50,10 +50,6 @@ ENTRY(__mmap) st %r2,0x60(%r15) /* Store 'start'. */ l %r1,216(%r15) /* Load offset. */ -#ifdef __ASSUME_MMAP2_SYSCALL - /* I don't think it is worthwhile trying to use mmap2 whenever - * it is available. Only use it when we are sure the syscall - * exists. */ tml %r1,0x0fff /* Offset page aligned ? */ lhi %r2,-EINVAL jnz 1f /* No -> EINVAL. */ @@ -61,11 +57,6 @@ ENTRY(__mmap) st %r1,0x74(%r15) /* Store page offset. */ la %r2,0x60(%r15) /* Load address of parameter list. */ svc SYS_ify(mmap2) /* Do the system call trap. */ -#else - st %r1,0x74(%r15) /* Store offset unmodified. */ - la %r2,0x60(%r15) /* Load address of parameter list. */ - svc SYS_ify(mmap) /* Do the system call trap. */ -#endif 1: l %r15,0(%r15) /* Load back chain. */ cfi_adjust_cfa_offset (-120) diff --git a/libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S b/libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S index ad6d254db..8b4bd4556 100644 --- a/libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S +++ b/libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2000, 2001, 2007 Free Software Foundation, Inc. +/* Copyright (C) 2000-2012 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -41,15 +41,14 @@ ENTRY(__mmap64) cfi_adjust_cfa_offset (120) st %r1,0(%r15) /* Store back chain. */ - /* Store parameters on stack, because mmap2 and old_mmap - * take only one parameter: a pointer to the parameter area. */ + /* Store parameters on stack, because mmap2 + * takes only one parameter: a pointer to the parameter area. */ st %r6,0x70(%r15) /* Store 'fd'. */ st %r5,0x6C(%r15) /* Store 'flags'. */ st %r4,0x68(%r15) /* Store 'prot'. */ st %r3,0x64(%r15) /* Store 'length'. */ st %r2,0x60(%r15) /* Store 'start'. */ -#ifdef __NR_mmap2 lm %r0,%r1,216(%r15) /* Load 64 bit offset. */ tml %r1,0x0fff /* Offset page aligned ? */ jnz 2f /* No -> EINVAL. */ @@ -61,11 +60,6 @@ ENTRY(__mmap64) la %r2,0x60(%r15) /* Load address of parameter list. */ svc SYS_ify(mmap2) /* Do the system call trap. */ -#ifndef __ASSUME_MMAP2_SYSCALL - chi %r2,-ENOSYS - je 1f -#endif - l %r15,0(%r15) /* Load back chain. */ cfi_adjust_cfa_offset (-120) lm %r6,%r15,24(%r15) /* Load registers. */ @@ -78,31 +72,6 @@ ENTRY(__mmap64) /* Successful; return the syscall's value. */ br %r14 -#endif - -#if !defined __ASSUME_MMAP2_SYSCALL || !defined __NR_mmap2 -1: lm %r0,%r1,216(%r15) /* Load 64 bit offset. */ - st %r1,0x74(%r15) /* Store lower word of offset. */ - ltr %r0,%r0 /* Offset > 2^32 ? */ - jnz 2f - alr %r1,%r3 /* Add length to offset. */ - brc 3,2f /* Carry -> EINVAL. */ - - la %r2,0x60(%r15) /* Load address of parameter list. */ - svc SYS_ify(mmap) /* Do the system call trap. */ - - l %r15,0(%r15) /* Load back chain. */ - lm %r6,%r15,24(%r15) /* Load registers. */ - - /* Check gpr 2 for error. */ - lhi %r0,-4096 - clr %r2,%r0 - jnl SYSCALL_ERROR_LABEL - - /* Successful; return the syscall's value. */ - br %r14 -#endif - 2: lhi %r2,-EINVAL l %r15,0(%r15) /* Load back chain. */ lm %r6,%r15,24(%r15) /* Load registers. */ diff --git a/libc/sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c b/libc/sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c index 05b81ecbc..480b92fcb 100644 --- a/libc/sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c +++ b/libc/sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2003-2012 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 +18,6 @@ #include <errno.h> #include <fcntl.h> #include <sysdep.h> -#include <kernel-features.h> int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise); int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise); @@ -37,7 +36,6 @@ struct fadvise64_64_layout int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise) { -#ifdef __NR_fadvise64_64 struct fadvise64_64_layout parameters; INTERNAL_SYSCALL_DECL (err); @@ -48,28 +46,7 @@ __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise) int ret = INTERNAL_SYSCALL (fadvise64_64, err, 1, ¶meters); if (!INTERNAL_SYSCALL_ERROR_P (ret, err)) return 0; -# ifndef __ASSUME_FADVISE64_64_SYSCALL - if (INTERNAL_SYSCALL_ERRNO (ret, err) != ENOSYS) -# endif - return INTERNAL_SYSCALL_ERRNO (ret, err); -#endif -#ifndef __ASSUME_FADVISE64_64_SYSCALL -# ifdef __NR_fadvise64 - if (len != (off_t) len) - return EOVERFLOW; - - INTERNAL_SYSCALL_DECL (err2); - int ret2 = INTERNAL_SYSCALL (fadvise64, err2, 5, fd, - __LONG_LONG_PAIR ((long) (offset >> 32), - (long) offset), - (off_t) len, advise); - if (!INTERNAL_SYSCALL_ERROR_P (ret2, err2)) - return 0; - return INTERNAL_SYSCALL_ERRNO (ret2, err2); -# else - return ENOSYS; -# endif -#endif + return INTERNAL_SYSCALL_ERRNO (ret, err); } #include <shlib-compat.h> |