diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/am33')
43 files changed, 1097 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/am33/Makefile b/ports/sysdeps/unix/sysv/linux/am33/Makefile new file mode 100644 index 0000000000..ece39e8a4c --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/Makefile @@ -0,0 +1,3 @@ +ifeq ($(subdir),misc) +sysdep_routines += setfsgid setfsuid +endif diff --git a/ports/sysdeps/unix/sysv/linux/am33/bits/fcntl.h b/ports/sysdeps/unix/sysv/linux/am33/bits/fcntl.h new file mode 100644 index 0000000000..33b8bcd37e --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/bits/fcntl.h @@ -0,0 +1,180 @@ +/* O_*, F_*, FD_* bit values for Linux. + Copyright (C) 1995, 1996, 1997, 1998, 2000, 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. If not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _FCNTL_H +# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead." +#endif + + +#include <sys/types.h> + +/* 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_NDELAY O_NONBLOCK +#define O_SYNC 010000 +#define O_FSYNC O_SYNC +#define O_ASYNC 020000 + +#ifdef __USE_GNU +# define O_DIRECT 040000 /* Direct disk access. */ +# define O_DIRECTORY 0200000 /* Must be a directory. */ +# define O_NOFOLLOW 0400000 /* Do not follow links. */ +#endif + +/* For now Linux has synchronisity options for data and read operations. + We define the symbols here but let them do the same as O_SYNC since + this is a superset. */ +#if defined __USE_POSIX199309 || defined __USE_UNIX98 +# define O_DSYNC O_SYNC /* Synchronize data. */ +# define O_RSYNC O_SYNC /* Synchronize read operations. */ +#endif + +#ifdef __USE_LARGEFILE64 +# define O_LARGEFILE 0100000 +#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). */ +# define F_SETLKW 7 /* Set record locking info (blocking). */ +#else +# define F_GETLK F_GETLK64 /* Get record locking info. */ +# define F_SETLK F_SETLK64 /* Set record locking info (non-blocking).*/ +# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */ +#endif +#define F_GETLK64 12 /* Get record locking info. */ +#define F_SETLK64 13 /* Set record locking info (non-blocking). */ +#define F_SETLKW64 14 /* Set record locking info (blocking). */ + +#if defined __USE_BSD || defined __USE_XOPEN2K +# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */ +# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */ +#endif + +#ifdef __USE_GNU +# define F_SETSIG 10 /* Set number of signal to be sent. */ +# define F_GETSIG 11 /* Get number of signal to be sent. */ +#endif + +#ifdef __USE_GNU +# define F_SETLEASE 1024 /* Set a lease. */ +# define F_GETLEASE 1025 /* Enquire what lease is active. */ +# define F_NOTIFY 1026 /* Request notfications on a directory. */ +# define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with + close-on-exit set. */ +#endif + +/* For F_[GET|SET]FD. */ +#define FD_CLOEXEC 1 /* actually anything with low bit set goes */ + +/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */ +#define F_RDLCK 0 /* Read lock. */ +#define F_WRLCK 1 /* Write lock. */ +#define F_UNLCK 2 /* Remove lock. */ + +/* 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. */ +# 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 + blocking */ +# define LOCK_UN 8 /* remove lock */ +#endif + +#ifdef __USE_GNU +# define LOCK_MAND 32 /* This is a mandatory flock: */ +# define LOCK_READ 64 /* ... which allows concurrent read operations. */ +# define LOCK_WRITE 128 /* ... which allows concurrent write operations. */ +# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */ +#endif + +#ifdef __USE_GNU +/* Types of directory notifications that may be requested with F_NOTIFY. */ +# define DN_ACCESS 0x00000001 /* File accessed. */ +# define DN_MODIFY 0x00000002 /* File modified. */ +# define DN_CREATE 0x00000004 /* File created. */ +# define DN_DELETE 0x00000008 /* File removed. */ +# define DN_RENAME 0x00000010 /* File renamed. */ +# define DN_ATTRIB 0x00000020 /* File changed attibutes. */ +# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */ +#endif + +struct flock + { + short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ + short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ +#ifndef __USE_FILE_OFFSET64 + __off_t l_start; /* Offset where the lock begins. */ + __off_t l_len; /* Size of the locked area; zero means until EOF. */ +#else + __off64_t l_start; /* Offset where the lock begins. */ + __off64_t l_len; /* Size of the locked area; zero means until EOF. */ +#endif + __pid_t l_pid; /* Process holding the lock. */ + }; + +#ifdef __USE_LARGEFILE64 +struct flock64 + { + short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ + short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ + __off64_t l_start; /* Offset where the lock begins. */ + __off64_t l_len; /* Size of the locked area; zero means until EOF. */ + __pid_t l_pid; /* Process holding the lock. */ + }; +#endif + +/* Define some more compatibility macros to be backward compatible with + BSD systems which did not managed to hide these kernel macros. */ +#ifdef __USE_BSD +# define FAPPEND O_APPEND +# define FFSYNC O_FSYNC +# define FASYNC O_ASYNC +# define FNONBLOCK O_NONBLOCK +# define FNDELAY O_NDELAY +#endif /* Use BSD. */ + +/* Advise to `posix_fadvise'. */ +#ifdef __USE_XOPEN2K +# define POSIX_FADV_NORMAL 0 /* No further special treatment. */ +# define POSIX_FADV_RANDOM 1 /* Expect random page references. */ +# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */ +# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */ +# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */ +# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ +#endif diff --git a/ports/sysdeps/unix/sysv/linux/am33/bits/mman.h b/ports/sysdeps/unix/sysv/linux/am33/bits/mman.h new file mode 100644 index 0000000000..763b060e66 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/bits/mman.h @@ -0,0 +1,96 @@ +/* Definitions for POSIX memory map interface. Linux/AM33 version. + Copyright (C) 1997, 2000, 2001, 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 + 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. If not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _SYS_MMAN_H +# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead." +#endif + +/* The following definitions basically come from the kernel headers. + But the kernel header is not namespace clean. */ + + +/* Protections are chosen from these bits, OR'd together. The + implementation does not necessarily support PROT_EXEC or PROT_WRITE + without PROT_READ. The only guarantees are that no writing will be + allowed without PROT_WRITE and no access will be allowed for PROT_NONE. */ + +#define PROT_READ 0x1 /* Page can be read. */ +#define PROT_WRITE 0x2 /* Page can be written. */ +#define PROT_EXEC 0x4 /* Page can be executed. */ +#define PROT_NONE 0x0 /* Page can not be accessed. */ +#define PROT_GROWSDOWN 0x01000000 /* Extend change to start of + growsdown vma (mprotect only). */ +#define PROT_GROWSUP 0x02000000 /* Extend change to start of + growsup vma (mprotect only). */ + +/* Sharing types (must choose one and only one of these). */ +#define MAP_SHARED 0x01 /* Share changes. */ +#define MAP_PRIVATE 0x02 /* Changes are private. */ +#ifdef __USE_MISC +# define MAP_TYPE 0x0f /* Mask for type of mapping. */ +#endif + +/* Other flags. */ +#define MAP_FIXED 0x10 /* Interpret addr exactly. */ +#ifdef __USE_MISC +# define MAP_FILE 0 +# define MAP_ANONYMOUS 0x20 /* Don't use a file. */ +# define MAP_ANON MAP_ANONYMOUS +#endif + +/* These are Linux-specific. */ +#ifdef __USE_MISC +# define MAP_GROWSDOWN 0x0100 /* Stack-like segment. */ +# define MAP_DENYWRITE 0x0800 /* ETXTBSY */ +# define MAP_EXECUTABLE 0x1000 /* Mark it as an executable. */ +# define MAP_LOCKED 0x2000 /* Lock the mapping. */ +# define MAP_NORESERVE 0x4000 /* Don't check for reservations. */ +#endif + +/* Flags to `msync'. */ +#define MS_ASYNC 1 /* Sync memory asynchronously. */ +#define MS_SYNC 4 /* Synchronous memory sync. */ +#define MS_INVALIDATE 2 /* Invalidate the caches. */ + +/* Flags for `mlockall'. */ +#define MCL_CURRENT 1 /* Lock all currently mapped pages. */ +#define MCL_FUTURE 2 /* Lock all additions to address + space. */ + +/* Flags for `mremap'. */ +#ifdef __USE_GNU +# define MREMAP_MAYMOVE 1 +#endif + +/* Advice to `madvise'. */ +#ifdef __USE_BSD +# define MADV_NORMAL 0 /* No further special treatment. */ +# define MADV_RANDOM 1 /* Expect random page references. */ +# 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. */ +#endif + +/* The POSIX people had to invent similar names for the same things. */ +#ifdef __USE_XOPEN2K +# define POSIX_MADV_NORMAL 0 /* No further special treatment. */ +# define POSIX_MADV_RANDOM 1 /* Expect random page references. */ +# define POSIX_MADV_SEQUENTIAL 2 /* Expect sequential page references. */ +# define POSIX_MADV_WILLNEED 3 /* Will need these pages. */ +# define POSIX_MADV_DONTNEED 4 /* Don't need these pages. */ +#endif diff --git a/ports/sysdeps/unix/sysv/linux/am33/brk.c b/ports/sysdeps/unix/sysv/linux/am33/brk.c new file mode 100644 index 0000000000..a06495cf29 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/brk.c @@ -0,0 +1,45 @@ +/* brk system call for Linux/am33. + Copyright (C) 1995, 1996, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Alexandre Oliva <aoliva@redhat.com>. + Based on ../i386/brk.c. + + 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. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <unistd.h> +#include <sysdep.h> + +/* This must be initialized data because commons can't have aliases. */ +void *__curbrk = 0; + +int +__brk (void *addr) +{ + void *newbrk; + + newbrk = INLINE_SYSCALL (brk, 1, __ptrvalue (addr)); + + __curbrk = newbrk; + + if (newbrk < addr) + { + __set_errno (ENOMEM); + return -1; + } + + return 0; +} +weak_alias (__brk, brk) diff --git a/ports/sysdeps/unix/sysv/linux/am33/chown.c b/ports/sysdeps/unix/sysv/linux/am33/chown.c new file mode 100644 index 0000000000..819923eb49 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/chown.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/chown.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/clone.S b/ports/sysdeps/unix/sysv/linux/am33/clone.S new file mode 100644 index 0000000000..e014c4ace9 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/clone.S @@ -0,0 +1,80 @@ +/* Copyright 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Alexandre Oliva <aoliva@redhat.com>. + Based on ../i386/clone.S. + + 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. If not, see + <http://www.gnu.org/licenses/>. */ + +/* clone() is even more special than fork() as it mucks with stacks + and invokes a function in the right context after its all over. */ + +#include <sysdep.h> +#define _ERRNO_H 1 +#include <bits/errno.h> +#include <asm-syntax.h> +#include <bp-sym.h> + +/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */ + + .text +ENTRY (BP_SYM (__clone)) + /* Sanity check arguments. */ + cmp 0,d0 /* no NULL function pointers */ + beq L(error_inval) + cmp 0,d1 /* no NULL stack pointers */ + beq L(error_inval) + + /* Allocate room for a function call in the new stack, and + store fn and arg in it. They will be read back in + thread_start. */ + mov d1,a0 + sub 12,a0 + mov d0,(a0) + mov (16,sp),d1 + mov d1,(4,a0) + + /* Do the system call */ + mov a0,d1 + mov (12,sp),a0 + mov SYS_ify(clone),d0 + syscall 0 + + cmp 0,d0 + beq thread_start + blt L(to_SYSCALL_ERROR_LABEL) + +L(pseudo_end): + ret + +L(error_inval): + mov -EINVAL,d0 +L(to_SYSCALL_ERROR_LABEL): + jmp SYSCALL_ERROR_LABEL + +thread_start: + mov 0,a3 /* terminate the stack frame */ + mov (4,sp),d0 + mov (sp),a0 + calls (a0) +#ifdef PIC +L(here): + mov pc,a2 + add _GLOBAL_OFFSET_TABLE_-(L(here) - .),a2 +#endif + call JUMPTARGET (_exit),[],0 + +PSEUDO_END (BP_SYM (__clone)) + +weak_alias (BP_SYM (__clone), BP_SYM (clone)) diff --git a/ports/sysdeps/unix/sysv/linux/am33/configure b/ports/sysdeps/unix/sysv/linux/am33/configure new file mode 100755 index 0000000000..d4490122b4 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/configure @@ -0,0 +1,4 @@ +# This file is generated from configure.in by Autoconf. DO NOT EDIT! + # Local configure fragment for am33/sysdeps/unix/sysv/linux/am33 + +arch_minimum_kernel=2.4.0 diff --git a/ports/sysdeps/unix/sysv/linux/am33/configure.in b/ports/sysdeps/unix/sysv/linux/am33/configure.in new file mode 100644 index 0000000000..a94c370cf1 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/configure.in @@ -0,0 +1,4 @@ +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. +# Local configure fragment for am33/sysdeps/unix/sysv/linux/am33 + +arch_minimum_kernel=2.4.0 diff --git a/ports/sysdeps/unix/sysv/linux/am33/fchown.c b/ports/sysdeps/unix/sysv/linux/am33/fchown.c new file mode 100644 index 0000000000..3a69ecc9e7 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/fchown.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/fchown.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/fcntl.c b/ports/sysdeps/unix/sysv/linux/am33/fcntl.c new file mode 100644 index 0000000000..ea951bc4f9 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/fcntl.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/fcntl.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/fxstat.c b/ports/sysdeps/unix/sysv/linux/am33/fxstat.c new file mode 100644 index 0000000000..4f219f0b9d --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/fxstat.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/fxstat.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/getegid.c b/ports/sysdeps/unix/sysv/linux/am33/getegid.c new file mode 100644 index 0000000000..37b4b4a530 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/getegid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/getegid.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/geteuid.c b/ports/sysdeps/unix/sysv/linux/am33/geteuid.c new file mode 100644 index 0000000000..ebcb555b5e --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/geteuid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/geteuid.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/getgid.c b/ports/sysdeps/unix/sysv/linux/am33/getgid.c new file mode 100644 index 0000000000..0a4d6061f0 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/getgid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/getgid.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/getgroups.c b/ports/sysdeps/unix/sysv/linux/am33/getgroups.c new file mode 100644 index 0000000000..20a7166103 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/getgroups.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/getgroups.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/getmsg.c b/ports/sysdeps/unix/sysv/linux/am33/getmsg.c new file mode 100644 index 0000000000..3a1fa08525 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/getmsg.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/getmsg.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/getresgid.c b/ports/sysdeps/unix/sysv/linux/am33/getresgid.c new file mode 100644 index 0000000000..b703a414cc --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/getresgid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/getresgid.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/getresuid.c b/ports/sysdeps/unix/sysv/linux/am33/getresuid.c new file mode 100644 index 0000000000..0b14cefe34 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/getresuid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/getresuid.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/getrlimit.c b/ports/sysdeps/unix/sysv/linux/am33/getrlimit.c new file mode 100644 index 0000000000..fc06dbd641 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/getrlimit.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/getrlimit.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/getuid.c b/ports/sysdeps/unix/sysv/linux/am33/getuid.c new file mode 100644 index 0000000000..d682c79a49 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/getuid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/getuid.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/lchown.c b/ports/sysdeps/unix/sysv/linux/am33/lchown.c new file mode 100644 index 0000000000..c89de99ba2 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/lchown.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/lchown.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/linuxthreads/sysdep-cancel.h b/ports/sysdeps/unix/sysv/linux/am33/linuxthreads/sysdep-cancel.h new file mode 100644 index 0000000000..5f3dab5c40 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/linuxthreads/sysdep-cancel.h @@ -0,0 +1,158 @@ +/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Alexandre Oliva <aoliva@redhat.com> + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include <tls.h> +#include <pt-machine.h> +#ifndef __ASSEMBLER__ +# include <linuxthreads/internals.h> +#endif + +#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt + +# undef PSEUDO +# define PSEUDO(name, syscall_name, args) \ + .text ; \ + ENTRY (name) \ + PUSHARGS_##args \ + DOARGS_##args \ + SINGLE_THREAD_P; \ + bne L(pseudo_cancel); \ + mov SYS_ify (syscall_name),d0; \ + syscall 0 \ + POPARGS_##args ; \ + cmp -126,d0; \ + bls L(pseudo_end); \ + jmp SYSCALL_ERROR_LABEL; \ + L(pseudo_cancel): \ + add -(16+STACK_SPACE (args)),sp; \ + SAVE_ARGS_##args \ + CENABLE \ + mov d0,r0; \ + LOAD_ARGS_##args \ + mov SYS_ify (syscall_name),d0; \ + syscall 0; \ + mov d0,(12,sp); \ + mov r0,d0; \ + CDISABLE \ + mov (12,sp),d0; \ + add +16+STACK_SPACE (args),sp \ + POPARGS_##args ; \ + cmp -126,d0; \ + bls L(pseudo_end); \ + jmp SYSCALL_ERROR_LABEL; \ + L(pseudo_end): \ + mov d0,a0 + +/* Reserve up to 2 stack slots for a0 and d1, but fewer than that if + we don't have that many arguments. */ +# define STACK_SPACE(n) (((((n) < 3) * (2 - (n))) + 2) * 4) + +# define SAVE_ARGS_0 +# define SAVE_ARGS_1 mov a0,(20,sp) ; +# define SAVE_ARGS_2 SAVE_ARGS_1 mov d1,(24,sp) ; +# define SAVE_ARGS_3 SAVE_ARGS_2 +# define SAVE_ARGS_4 SAVE_ARGS_3 +# define SAVE_ARGS_5 SAVE_ARGS_4 +# define SAVE_ARGS_6 SAVE_ARGS_5 + +# define LOAD_ARGS_0 +# define LOAD_ARGS_1 mov (20,sp),a0 ; +# define LOAD_ARGS_2 LOAD_ARGS_1 mov (24,sp),d1 ; +# define LOAD_ARGS_3 LOAD_ARGS_2 +# define LOAD_ARGS_4 LOAD_ARGS_3 +# define LOAD_ARGS_5 LOAD_ARGS_4 +# define LOAD_ARGS_6 LOAD_ARGS_5 + +# ifdef IS_IN_libpthread +# define CENABLE call __pthread_enable_asynccancel,[],0; +# define CDISABLE call __pthread_disable_asynccancel,[],0; +# elif defined IS_IN_librt +# ifdef PIC +# define CENABLE movm [a2],(sp); \ + 1: mov pc,a2; \ + add _GLOBAL_OFFSET_TABLE_-(1b-.),a2; \ + call +__librt_enable_asynccancel@PLT,[],0; \ + movm (sp),[a2]; +# define CENABLE movm [a2],(sp); \ + 1: mov pc,a2; \ + add _GLOBAL_OFFSET_TABLE_-(1b-.),a2; \ + call +__librt_disable_asynccancel@PLT,[],0; \ + movm (sp),[a2]; +# else +# define CENABLE call +__librt_enable_asynccancel,[],0; +# define CDISABLE call +__librt_disable_asynccancel,[],0; +# endif +# else +# define CENABLE call +__libc_enable_asynccancel,[],0; +# define CDISABLE call +__libc_disable_asynccancel,[],0; +# endif + +#if !defined NOT_IN_libc +# define __local_multiple_threads __libc_multiple_threads +#elif defined IS_IN_libpthread +# define __local_multiple_threads __pthread_multiple_threads +#else +# define __local_multiple_threads __librt_multiple_threads +#endif + +# ifndef __ASSEMBLER__ +# if defined FLOATING_STACKS && USE___THREAD && defined PIC +# define SINGLE_THREAD_P \ + __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ + p_header.data.multiple_threads) == 0, 1) +# else +extern int __local_multiple_threads +# if !defined NOT_IN_libc || defined IS_IN_libpthread + attribute_hidden; +# else + ; +# endif +# define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1) +# endif +# else +# if !defined PIC +# define SINGLE_THREAD_P \ + mov (+__local_multiple_threads),d0; \ + cmp 0,d0 +# elif !defined NOT_IN_libc || defined IS_IN_libpthread +# define SINGLE_THREAD_P \ + movm [a2],(sp); \ + 1: mov pc,a2; \ + add _GLOBAL_OFFSET_TABLE_-(1b-.),a2; \ + mov (+__local_multiple_threads@GOTOFF,a2),d0; \ + movm (sp),[a2]; \ + cmp 0,d0 +# else +# define SINGLE_THREAD_P \ + movm [a2],(sp); \ + 1: mov pc,a2; \ + add _GLOBAL_OFFSET_TABLE_-(1b-.),a2; \ + mov (+__local_multiple_threads@GOT,a2),a2; \ + mov (a2),d0; \ + movm (sp),[a2]; \ + cmp 0,d0 +# endif +# endif + +#elif !defined __ASSEMBLER__ + +/* This code should never be used but we define it anyhow. */ +# define SINGLE_THREAD_P (1) + +#endif diff --git a/ports/sysdeps/unix/sysv/linux/am33/lockf64.c b/ports/sysdeps/unix/sysv/linux/am33/lockf64.c new file mode 100644 index 0000000000..a88f5a784a --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/lockf64.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/lockf64.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/lxstat.c b/ports/sysdeps/unix/sysv/linux/am33/lxstat.c new file mode 100644 index 0000000000..0efa0aea49 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/lxstat.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/lxstat.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/profil-counter.h b/ports/sysdeps/unix/sysv/linux/am33/profil-counter.h new file mode 100644 index 0000000000..f4b7eaae76 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/profil-counter.h @@ -0,0 +1,26 @@ +/* Low-level statistical profiling support function. Linux/am33 version. + Copyright (C) 1996, 1997, 1998, 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. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <signal.h> +#include <sigcontextinfo.h> + +static void +profil_counter (int signo, SIGCONTEXT scp) +{ + profil_count ((void *) GET_PC (scp)); +} diff --git a/ports/sysdeps/unix/sysv/linux/am33/putmsg.c b/ports/sysdeps/unix/sysv/linux/am33/putmsg.c new file mode 100644 index 0000000000..ebc1680ca7 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/putmsg.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/putmsg.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/setegid.c b/ports/sysdeps/unix/sysv/linux/am33/setegid.c new file mode 100644 index 0000000000..2e3a54c893 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/setegid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setegid.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/seteuid.c b/ports/sysdeps/unix/sysv/linux/am33/seteuid.c new file mode 100644 index 0000000000..18e41d08c1 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/seteuid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/seteuid.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/setfsgid.c b/ports/sysdeps/unix/sysv/linux/am33/setfsgid.c new file mode 100644 index 0000000000..0886712569 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/setfsgid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setfsgid.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/setfsuid.c b/ports/sysdeps/unix/sysv/linux/am33/setfsuid.c new file mode 100644 index 0000000000..a9f22eb8ab --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/setfsuid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setfsuid.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/setgid.c b/ports/sysdeps/unix/sysv/linux/am33/setgid.c new file mode 100644 index 0000000000..377021d9ec --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/setgid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setgid.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/setgroups.c b/ports/sysdeps/unix/sysv/linux/am33/setgroups.c new file mode 100644 index 0000000000..cb9a7708e3 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/setgroups.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setgroups.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/setregid.c b/ports/sysdeps/unix/sysv/linux/am33/setregid.c new file mode 100644 index 0000000000..99c57ad20f --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/setregid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setregid.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/setresgid.c b/ports/sysdeps/unix/sysv/linux/am33/setresgid.c new file mode 100644 index 0000000000..daca1a4833 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/setresgid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setresgid.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/setresuid.c b/ports/sysdeps/unix/sysv/linux/am33/setresuid.c new file mode 100644 index 0000000000..3aeabe9ad7 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/setresuid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setresuid.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/setreuid.c b/ports/sysdeps/unix/sysv/linux/am33/setreuid.c new file mode 100644 index 0000000000..8ad61226e9 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/setreuid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setreuid.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/setrlimit.c b/ports/sysdeps/unix/sysv/linux/am33/setrlimit.c new file mode 100644 index 0000000000..bfaef74c38 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/setrlimit.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setrlimit.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/setuid.c b/ports/sysdeps/unix/sysv/linux/am33/setuid.c new file mode 100644 index 0000000000..de394379be --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/setuid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setuid.c> diff --git a/ports/sysdeps/unix/sysv/linux/am33/socket.S b/ports/sysdeps/unix/sysv/linux/am33/socket.S new file mode 100644 index 0000000000..b4d3caab8a --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/socket.S @@ -0,0 +1,72 @@ +/* Copyright 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Alexandre Oliva <aoliva@redhat.com>. + Based on ../i386/socket.S. + + 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. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include <socketcall.h> + +#define P(a, b) P2(a, b) +#define P2(a, b) a##b + + .text +/* The socket-oriented system calls are handled unusally in Linux. + They are all gated through the single `socketcall' system call number. + `socketcall' takes two arguments: the first is the subcode, specifying + which socket function is being called; and the second is a pointer to + the arguments to the specific function. + + The .S files for the other calls just #define socket and #include this. */ + +#ifndef __socket +#ifndef NO_WEAK_ALIAS +#define __socket P(__,socket) +#else +#define __socket socket +#endif +#endif + +.globl __socket +ENTRY (__socket) + + mov d0,(4,sp) + mov d1,(8,sp) + + mov SYS_ify(socketcall),d0 /* System call number in d0. */ + + /* Use ## so `socket' is a separate token that might be #define'd. */ + mov P(SOCKOP_,socket),a0 /* Subcode is first arg to syscall. */ + mov sp,d1 + add 4,d1 /* Address of args is 2nd arg. */ + + /* Do the system call trap. */ + syscall 0 + + /* d0 is < 0 if there was an error. */ + cmp -126,d0 + bls L(pseudo_end) + jmp SYSCALL_ERROR_LABEL + + /* Successful; return the syscall's value. */ +L(pseudo_end): + ret + +PSEUDO_END (__socket) + +#ifndef NO_WEAK_ALIAS +weak_alias (__socket, socket) +#endif diff --git a/ports/sysdeps/unix/sysv/linux/am33/syscall.S b/ports/sysdeps/unix/sysv/linux/am33/syscall.S new file mode 100644 index 0000000000..63fa6ddcd4 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/syscall.S @@ -0,0 +1,42 @@ +/* Copyright (C) 1995, 1996, 1998, 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Alexandre Oliva <aoliva@redhat.com>. + Based on ../i386/syscall.S. + + 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. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> + +/* Please consult the file sysdeps/unix/sysv/linux/am33/sysdep.h for + more information about the value -126 used below.*/ + + .text +ENTRY (syscall) + movm [d2,d3,a2,a3],(sp) /* Save register contents. */ + mov d1,a0 + mov (28,sp),d1 + mov (32,sp),a3 + mov (36,sp),a2 + mov (40,sp),d3 + mov (44,sp),d2 + syscall 0 /* Do the system call. */ + movm (sp),[d2,d3,a2,a3] /* Restore register contents. */ + cmp -126,d0 /* Check for error. */ + bls L(pseudo_end) + jmp SYSCALL_ERROR_LABEL /* Jump to error handler if error. */ +L(pseudo_end): + ret /* Return to caller. */ + +PSEUDO_END (syscall) diff --git a/ports/sysdeps/unix/sysv/linux/am33/sysdep.S b/ports/sysdeps/unix/sysv/linux/am33/sysdep.S new file mode 100644 index 0000000000..877fd1e082 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/sysdep.S @@ -0,0 +1,41 @@ +/* Copyright (C) 1995, 1996, 1997, 1998, 2001, 2004 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Alexandre Oliva <aoliva@redhat.com>. + Based on ../i386/sysdep.S. + + 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. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> + +/* The following code is only used in the shared library when we + compile the reentrant version. Otherwise each system call defines + each own version. */ + +#ifndef PIC + +#undef CALL_MCOUNT +#define CALL_MCOUNT /* Don't insert the profiling call, it clobbers %eax. */ + + .text +ENTRY (__syscall_error) + mov d0,d1 + clr d0 + sub d1,d0 + +#define __syscall_error __syscall_error_1 +#include <../../../am33/sysdep.S> + +#endif /* !PIC */ diff --git a/ports/sysdeps/unix/sysv/linux/am33/sysdep.h b/ports/sysdeps/unix/sysv/linux/am33/sysdep.h new file mode 100644 index 0000000000..68f93f8003 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/sysdep.h @@ -0,0 +1,316 @@ +/* Copyright 2001, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Alexandre Oliva <aoliva@redhat.com>. + Based on ../i386/sysdep.h. + + 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. If not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _LINUX_AM33_SYSDEP_H +#define _LINUX_AM33_SYSDEP_H 1 + +/* There is some commonality. */ +#include "../../../am33/sysdep.h" + +/* For Linux we can use the system call table in the header file + /usr/include/asm/unistd.h + of the kernel. But these symbols do not follow the SYS_* syntax + so we have to redefine the `SYS_ify' macro here. */ +#undef SYS_ify +#define SYS_ify(syscall_name) __NR_##syscall_name + +/* ELF-like local names start with `.L'. */ +#undef L +#define L(name) .L##name + +#ifdef __ASSEMBLER__ + +/* Linux uses a negative return value to indicate syscall errors, + unlike most Unices, which use the condition codes' carry flag. + + Since version 2.1 the return value of a system call might be + negative even if the call succeeded. E.g., the `lseek' system call + might return a large offset. Therefore we must not anymore test + for < 0, but test for a real error by making sure the value in %eax + is a real error number. Linus said he will make sure the no syscall + returns a value in -1 .. -4095 as a valid result so we can savely + test with -4095. */ + +/* We don't want the label for the error handle to be global when we define + it here. */ +#ifdef PIC +# define SYSCALL_ERROR_LABEL 0f +#else +# define SYSCALL_ERROR_LABEL syscall_error +#endif + +#undef PSEUDO +#define PSEUDO(name, syscall_name, args) \ + .text; \ + ENTRY (name) \ + DO_CALL (syscall_name, args); \ + cmp -126,d0; \ + bls L(pseudo_end); \ + jmp SYSCALL_ERROR_LABEL; \ + L(pseudo_end): \ + mov d0,a0; + +#undef PSEUDO_END +#define PSEUDO_END(name) \ + SYSCALL_ERROR_HANDLER \ + END (name) + +#undef PSEUDO_NOERROR +#define PSEUDO_NOERRNO(name, syscall_name, args) \ + .text; \ + ENTRY (name) \ + DO_CALL (syscall_name, args) + +#undef PSEUDO_END_NOERRNO +#define PSEUDO_END_NOERRNO(name) \ + END (name) + +#define ret_NOERRNO ret + +/* The function has to return the error code. */ +#undef PSEUDO_ERRVAL +#define PSEUDO_ERRVAL(name, syscall_name, args) \ + .text; \ + ENTRY (name) \ + DO_CALL (syscall_name, args); \ + clr d1; \ + sub d0,d1,d0 + +#undef PSEUDO_END_ERRVAL +#define PSEUDO_END_ERRVAL(name) \ + END (name) + +#define ret_ERRVAL ret + +#ifndef PIC +#define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */ +#else +/* Store (- d0) into errno through the GOT. */ +#ifdef _LIBC_REENTRANT +#define SYSCALL_ERROR_HANDLER \ +0:movm [d2,a2],(sp); \ + add -12,sp; \ +1:mov pc,a2; \ + add _GLOBAL_OFFSET_TABLE_-(1b-.),a2; \ + clr d2; \ + sub d0,d2; \ + call __errno_location@PLT,[],0; \ + mov d2,(a0); \ + add 12,sp; \ + movm (sp),[d2,a2]; \ + mov -1,d0; \ + mov d0,a0; \ + jmp L(pseudo_end); +/* A quick note: it is assumed that the call to `__errno_location' does + not modify the stack! */ +#else +#define SYSCALL_ERROR_HANDLER \ +0:mov pc,a0; \ + add _GLOBAL_OFFSET_TABLE_-(0b-.),a0; \ + clr d1; \ + sub d0,d1; \ + mov (errno@GOT,a0),a1; \ + mov d1,(a0); \ + mov -1,d0; \ + mov d0,a0; \ + jmp L(pseudo_end); +#endif /* _LIBC_REENTRANT */ +#endif /* PIC */ + +/* Linux takes system call arguments in registers: + + syscall number d0 call-clobbered + arg 1 a0 call-clobbered + arg 2 d1 call-clobbered + arg 3 a3 call-saved + arg 4 a2 call-saved + arg 5 d3 call-saved + arg 6 d2 call-saved + + The stack layout upon entering the function is: + + (24,sp) Arg# 6 + (20,sp) Arg# 5 + (16,sp) Arg# 4 + (12,sp) Arg# 3 + d1 Arg# 2 + d0 Arg# 1 + (sp) Return address + + (Of course a function with say 3 arguments does not have entries for + arguments 4, 5 and 6.) */ + +#undef DO_CALL +#define DO_CALL(syscall_name, args) \ + PUSHARGS_##args \ + DOARGS_##args \ + mov SYS_ify (syscall_name),d0; \ + syscall 0 \ + POPARGS_##args + +#define PUSHARGS_0 /* No arguments to push. */ +#define _DOARGS_0(N) /* No arguments to frob. */ +#define DOARGS_0 /* No arguments to frob. */ +#define POPARGS_0 /* No arguments to pop. */ + +#define PUSHARGS_1 /* No arguments to push. */ +#define _DOARGS_1(N) _DOARGS_0 (N-4) mov d0,a0; +#define DOARGS_1 _DOARGS_1 (4) +#define POPARGS_1 /* No arguments to pop. */ + +#define PUSHARGS_2 /* No arguments to push. */ +#define _DOARGS_2(N) _DOARGS_1 (N-4) /* Argument already in d1. */ +#define DOARGS_2 _DOARGS_2 (8) +#define POPARGS_2 /* No arguments to pop. */ + +#define PUSHARGS_3 movm [a3],(sp); +#define _DOARGS_3(N) _DOARGS_2 (N-4) mov (N,sp),a3; +#define DOARGS_3 _DOARGS_3 (16) +#define POPARGS_3 ; movm (sp),[a3] + +#define PUSHARGS_4 movm [a2,a3],(sp); +#define _DOARGS_4(N) _DOARGS_3 (N-4) mov (N,sp),a2; +#define DOARGS_4 _DOARGS_4 (24) +#define POPARGS_4 ; movm (sp),[a2,a3] + +#define PUSHARGS_5 movm [d3,a2,a3],(sp); +#define _DOARGS_5(N) _DOARGS_4 (N-4) mov (N,sp),d3; +#define DOARGS_5 _DOARGS_5 (32) +#define POPARGS_5 ; movm (sp),[d3,a2,a3] + +#define PUSHARGS_6 movm [d2,d3,a2,a3],(sp); +#define _DOARGS_6(N) _DOARGS_5 (N-4) mov (N,sp),d2; +#define DOARGS_6 _DOARGS_6 (40) +#define POPARGS_6 ; movm (sp),[d2,d3,a2,a3] + +#else /* !__ASSEMBLER__ */ + +/* Define a macro which expands inline into the wrapper code for a system + call. */ +#undef INLINE_SYSCALL +#define INLINE_SYSCALL(name, nr, args...) \ + ({ \ + unsigned int resultvar = INTERNAL_SYSCALL (name, , nr, args); \ + if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (resultvar, ), 0)) \ + { \ + __set_errno (INTERNAL_SYSCALL_ERRNO (resultvar, )); \ + resultvar = 0xffffffff; \ + } \ + (int) resultvar; }) + +#define INTERNAL_SYSCALL(name, err, nr, args...) \ +({ \ + register long __sc0 asm ("d0") = __NR_##name; \ + inline_syscall##nr(name, ## args); \ + __sc0; \ +}) + +#undef INTERNAL_SYSCALL_DECL +#define INTERNAL_SYSCALL_DECL(err) do { } while (0) + +#undef INTERNAL_SYSCALL_ERROR_P +#define INTERNAL_SYSCALL_ERROR_P(val, err) \ + ((unsigned int) (val) >= (unsigned long)-125) + +#undef INTERNAL_SYSCALL_ERRNO +#define INTERNAL_SYSCALL_ERRNO(val, err) (-(val)) + +#define inline_syscall0(name,dummy...) \ +__asm__ __volatile__ ("syscall 0" \ + : "+d" (__sc0) \ + : : "memory") + +#define inline_syscall1(name,arg1) \ +register long __sc1 asm ("a0") = (long) (arg1); \ +inline_syscall0 (name); \ +__asm__ __volatile__ ("" : : "r" (__sc1)) + +#define inline_syscall2(name,arg1,arg2) \ +register long __sc2 asm ("d1") = (long) (arg2); \ +inline_syscall1 (name,(arg1)); \ +__asm__ __volatile__ ("" : : "r" (__sc2)) + +/* We can't tell whether a3 is going to be eliminated in the enclosing + function, so we have to assume it isn't. We first load the value + of any arguments into their registers, except for a3 itself, that + may be needed to load the value of the other arguments. Then, we + save a3's value in some other register, and load the argument value + into a3. We have to force both a3 and its copy to be live in + different registers at the same time, to avoid having the copy + spilled and the value reloaded into the same register, in which + case we'd be unable to get the value of a3 back, should the stack + slot reference be (offset,a3). */ +#define inline_syscall3(name,arg1,arg2,arg3) \ +long __sc3v = (long) (arg3); \ +register long __sc1 asm ("a0") = (long) (arg1); \ +register long __sc2 asm ("d1") = (long) (arg2); \ +register long __sc3 asm ("a3") = __sc3; \ +register long __sc3c; \ +__asm__ __volatile__ ("mov %1,%0" : "=&r" (__sc3c) : "r" (__sc3)); \ +__sc3 = __sc3v; \ +__asm__ __volatile__ ("" : : "r" (__sc3c), "r" (__sc3)); \ +inline_syscall0 (name); \ +__sc3 = __sc3c; \ +__asm__ __volatile__ ("" : : "r" (__sc3), "r" (__sc2), "r" (__sc1)) + +#ifdef PIC +/* Since a2 is the PIC register, it requires similar handling as a3 + when we're generating PIC, as a2's value may be needed to load + arguments whose values live in global variables. The difference is + that we don't need to require its value to be live in a register; + it may well be in a stack slot, as long as we save it before + clobbering a3 and restore it after restoring a3. */ +#define inline_syscall4(name,arg1,arg2,arg3,arg4) \ +long __sc4v = (long) (arg4); \ +long __sc3v = (long) (arg3); \ +register long __sc1 asm ("a0") = (long) (arg1); \ +register long __sc2 asm ("d1") = (long) (arg2); \ +register long __sc3 asm ("a3") = __sc3; \ +register long __sc3c; \ +register long __sc4 asm ("a2") = __sc4; \ +long __sc4c = __sc4; \ +__sc4 = __sc4v; \ +__asm__ __volatile__ ("mov %1,%0" : "=&r" (__sc3c) : "r" (__sc3)); \ +__sc3 = __sc3v; \ +__asm__ __volatile__ ("" : : "r" (__sc3c), "r" (__sc3), "r" (__sc4)); \ +inline_syscall0 (name); \ +__sc3 = __sc3c; \ +__sc4 = __sc4c; \ +__asm__ __volatile__ ("" : : "r" (__sc4), "r" (__sc3), \ + "r" (__sc2), "r" (__sc1)) +#else +#define inline_syscall4(name,arg1,arg2,arg3,arg4) \ +register long __sc4 asm ("a2") = (long) (arg4); \ +inline_syscall3 (name,(arg1),(arg2),(arg3)); \ +__asm__ __volatile__ ("" : : "r" (__sc4)) +#endif + +#define inline_syscall5(name,arg1,arg2,arg3,arg4,arg5) \ +register long __sc5 asm ("d3") = (long) (arg5); \ +inline_syscall4 (name,(arg1),(arg2),(arg3),(arg4)); \ +__asm__ __volatile__ ("" : : "r" (__sc5)) + +#define inline_syscall6(name,arg1,arg2,arg3,arg4,arg5,arg6) \ +register long __sc6 asm ("d2") = (long) (arg6); \ +inline_syscall5 (name,(arg1),(arg2),(arg3),(arg4),(arg5)); \ +__asm__ __volatile__ ("" : : "r" (__sc6)) + +#endif /* __ASSEMBLER__ */ + +#endif /* linux/am33/sysdep.h */ diff --git a/ports/sysdeps/unix/sysv/linux/am33/xstat.c b/ports/sysdeps/unix/sysv/linux/am33/xstat.c new file mode 100644 index 0000000000..e9869f5508 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/xstat.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/xstat.c> |