diff options
author | Ulrich Drepper <drepper@redhat.com> | 2001-04-09 04:55:59 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2001-04-09 04:55:59 +0000 |
commit | eacde9d0818dac743bc5c2562e35f0a6e949327e (patch) | |
tree | d117012b09ea03667334e4fb4be8ab15c41509d5 /sysdeps/unix/sysv/linux/cris/mmap64.S | |
parent | 4c4505561671f07c4f1b9e39cc0a0fa271a6c8be (diff) | |
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Update.
2001-04-08 Hans-Peter Nilsson <hp@axis.com>
* sysdeps/unix/sysv/linux/cris/Dist: New file.
* sysdeps/unix/sysv/linux/cris/Makefile: New file.
* sysdeps/unix/sysv/linux/cris/_G_config.h: New file.
* sysdeps/unix/sysv/linux/cris/bits/fcntl.h: New file.
* sysdeps/unix/sysv/linux/cris/bits/mman.h: New file.
* sysdeps/unix/sysv/linux/cris/bits/resource.h: New file.
* sysdeps/unix/sysv/linux/cris/brk.c: New file.
* sysdeps/unix/sysv/linux/cris/chown.c: New file.
* sysdeps/unix/sysv/linux/cris/clone.S: New file.
* sysdeps/unix/sysv/linux/cris/fchown.c: New file.
* sysdeps/unix/sysv/linux/cris/fcntl.c: New file.
* sysdeps/unix/sysv/linux/cris/fxstat.c: New file.
* sysdeps/unix/sysv/linux/cris/getegid.c: New file.
* sysdeps/unix/sysv/linux/cris/geteuid.c: New file.
* sysdeps/unix/sysv/linux/cris/getgid.c: New file.
* sysdeps/unix/sysv/linux/cris/getgroups.c: New file.
* sysdeps/unix/sysv/linux/cris/getresgid.c: New file.
* sysdeps/unix/sysv/linux/cris/getresuid.c: New file.
* sysdeps/unix/sysv/linux/cris/getrlimit.c: New file.
* sysdeps/unix/sysv/linux/cris/getrlimit64.c: New file.
* sysdeps/unix/sysv/linux/cris/getuid.c: New file.
* sysdeps/unix/sysv/linux/cris/lchown.c: New file.
* sysdeps/unix/sysv/linux/cris/lockf64.c: New file.
* sysdeps/unix/sysv/linux/cris/lxstat.c: New file.
* sysdeps/unix/sysv/linux/cris/mmap.S: New file.
* sysdeps/unix/sysv/linux/cris/mmap64.S: New file.
* sysdeps/unix/sysv/linux/cris/msgctl.c: New file.
* sysdeps/unix/sysv/linux/cris/profil-counter.h: New file.
* sysdeps/unix/sysv/linux/cris/register-dump.h: New file.
* sysdeps/unix/sysv/linux/cris/semctl.c: New file.
* sysdeps/unix/sysv/linux/cris/setegid.c: New file.
* sysdeps/unix/sysv/linux/cris/seteuid.c: New file.
* sysdeps/unix/sysv/linux/cris/setfsgid.c: New file.
* sysdeps/unix/sysv/linux/cris/setfsuid.c: New file.
* sysdeps/unix/sysv/linux/cris/setgid.c: New file.
* sysdeps/unix/sysv/linux/cris/setgroups.c: New file.
* sysdeps/unix/sysv/linux/cris/setregid.c: New file.
* sysdeps/unix/sysv/linux/cris/setresgid.c: New file.
* sysdeps/unix/sysv/linux/cris/setresuid.c: New file.
* sysdeps/unix/sysv/linux/cris/setreuid.c: New file.
* sysdeps/unix/sysv/linux/cris/setrlimit.c: New file.
* sysdeps/unix/sysv/linux/cris/setuid.c: New file.
* sysdeps/unix/sysv/linux/cris/shmctl.c: New file.
* sysdeps/unix/sysv/linux/cris/socket.S: New file.
* sysdeps/unix/sysv/linux/cris/sys/ucontext.h: New file.
* sysdeps/unix/sysv/linux/cris/syscall.S: New file.
* sysdeps/unix/sysv/linux/cris/sysdep.S: New file.
* sysdeps/unix/sysv/linux/cris/sysdep.h: New file.
* sysdeps/unix/sysv/linux/cris/vfork.S: New file.
* sysdeps/unix/sysv/linux/cris/xstat.c: New file.
2001-04-08 Hans-Peter Nilsson <hp@axis.com>
* sysdeps/cris/Dist: New file.
* sysdeps/cris/Implies: New file.
* sysdeps/cris/Makefile: New file.
* sysdeps/cris/__longjmp.S: New file.
* sysdeps/cris/_mcount.S: New file.
* sysdeps/cris/bits/endian.h: New file.
* sysdeps/cris/bits/setjmp.h: New file.
* sysdeps/cris/bits/string.h: New file.
* sysdeps/cris/dl-machine.h: New file.
* sysdeps/cris/elf/start.S: New file.
* sysdeps/cris/machine-gmon.h: New file.
* sysdeps/cris/memcopy.h: New file.
* sysdeps/cris/memusage.h: New file.
* sysdeps/cris/setjmp.S: New file.
* sysdeps/cris/sysdep.h: New file.
* sysdeps/cris/wordcopy.c: New file.
2001-04-08 Hans-Peter Nilsson <hp@axis.com>
* elf/elf.h: Add new relocations for CRIS.
2001-04-08 Hans-Peter Nilsson <hp@axis.com>
* shlib-versions: Add cases for Linux on CRIS.
2001-04-08 Hans-Peter Nilsson <hp@axis.com>
* configure.in (ASM_LINE_SEP tests): Handle CRIS assembly, with
';' for comments and '@' for line separator.
2001-04-08 Hans-Peter Nilsson <hp@axis.com>
* sysdeps/unix/sysv/linux/hppa/sysdep.h (INLINE_SYSCALL): Fix
typo; s/==/=/ for assignment.
2001-04-08 Hans-Peter Nilsson <hp@axis.com>
* malloc/Makefile: Correct comment; mtrace is Perl, not AWK.
2001-04-08 Hans-Peter Nilsson <hp@axis.com>
* iconv/gconv_simple.c (internal_ucs4_loop_unaligned): Check for
empty input before checking full output.
2001-04-08 Hans-Peter Nilsson <hp@axis.com>
* iconv/gconv.c (__gconv): Don't derefer parameter cd before
checking if == -1L.
2001-04-08 Ulrich Drepper <drepper@redhat.com>
* inet/rexec.c (rexec_af): Avoid calling perror with errno being set.
Diffstat (limited to 'sysdeps/unix/sysv/linux/cris/mmap64.S')
-rw-r--r-- | sysdeps/unix/sysv/linux/cris/mmap64.S | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/cris/mmap64.S b/sysdeps/unix/sysv/linux/cris/mmap64.S new file mode 100644 index 0000000000..acf6ca33bf --- /dev/null +++ b/sysdeps/unix/sysv/linux/cris/mmap64.S @@ -0,0 +1,91 @@ +/* Copyright (C) 2001 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 + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <sysdep.h> + +#include "kernel-features.h" + +#include <asm/errno.h> + +/* Rather than dragging in yet another kernel file, <asm/page.h>, we + define it here. Provide for easy override. */ +#ifndef PAGE_SHIFT +#define PAGE_SHIFT 13 +#endif + +/* This is: __ptr_t + __mmap64 (__ptr_t addr, size_t len, int prot, int flags, int fd, + off64_t offset); */ + +/* This was done in C, but the resulting code didn't look anywhere near + nice, and mmap64 is important enough to have fast code. Rather than + fixing (the generic bits in) gcc, we make sure not to depend on it by + writing code that GCC cannot reasonably generate. */ + + .syntax no_register_prefix + +ENTRY (__mmap64) + + move [sp],mof + move.d [sp+4],r9 + + /* Only accept an offset being a multiple of PAGE_SIZE, ditto address. */ + btstq (PAGE_SHIFT - 1),r9 + bne 1f + lsrq PAGE_SHIFT,r9 + + btstq (PAGE_SHIFT - 1),r10 + bne 1f + move.d r9,[sp] + + /* We have to store the adjusted part somewhere we can "or" from. + No registers available, so let's re-use the incoming low-part + parameter location. */ + move.d [sp+8],r9 + + swapwbr r9 + /* Check if the highest bits (now the lowest bits) are zero. They + must be, since we're actually calling a system function + specifying the size in *pages* in a single dword. Thus you can + mmap64 PAGE_SIZE * 4 Gbyte. */ + btstq (PAGE_SHIFT - 1),r9 + bne 1f + swapwbr r9 + + lslq (32 - PAGE_SHIFT),r9 + or.d [sp],r9 + move srp,[sp] + move r9,srp + + movu.b SYS_ify (mmap2),r9 + break 13 + + cmps.w -4096,r10 + bhs 0f + move [sp],srp + + Ret + nop + +/* Local error handler. */ +1: + movs.w -EINVAL,r10 + /* Drop through into the ordinary error handler. */ +PSEUDO_END (__mmap64) + +weak_alias (__mmap64, mmap64) |