diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux')
46 files changed, 1686 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/Dist b/sysdeps/unix/sysv/linux/s390/Dist new file mode 100644 index 0000000000..eaf8731d34 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/Dist @@ -0,0 +1,9 @@ +clone.S +setresuid.c +setresgid.c +setfsuid.c +setfsgid.c +sys/elf.h +sys/perm.h +sys/procfs.h +sys/user.h diff --git a/sysdeps/unix/sysv/linux/s390/Makefile b/sysdeps/unix/sysv/linux/s390/Makefile new file mode 100644 index 0000000000..7ca98f0ebe --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/Makefile @@ -0,0 +1,4 @@ +ifeq ($(subdir),misc) +sysdep_routines += setfsgid setfsuid setresgid setresuid +sysdep_headers += sys/elf.h sys/reg.h +endif diff --git a/sysdeps/unix/sysv/linux/s390/bits/fcntl.h b/sysdeps/unix/sysv/linux/s390/bits/fcntl.h new file mode 100644 index 0000000000..a54784a977 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/bits/fcntl.h @@ -0,0 +1,151 @@ +/* O_*, F_*, FD_* bit values for Linux. + Copyright (C) 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; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#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. */ +#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). */ + +/* XXX missing */ +#define F_GETLK64 5 /* Get record locking info. */ +#define F_SETLK64 6 /* Set record locking info (non-blocking). */ +#define F_SETLKW64 7 /* 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 + +/* For F_[GET|SET]FL. */ +#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 + +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/sysdeps/unix/sysv/linux/s390/bits/mman.h b/sysdeps/unix/sysv/linux/s390/bits/mman.h new file mode 100644 index 0000000000..70069e9f06 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/bits/mman.h @@ -0,0 +1,93 @@ +/* Definitions for POSIX memory map interface. Linux/s390 version. + Copyright (C) 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; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#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. */ + +/* 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/sysdeps/unix/sysv/linux/s390/bits/resource.h b/sysdeps/unix/sysv/linux/s390/bits/resource.h new file mode 100644 index 0000000000..8dd3972a4b --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/bits/resource.h @@ -0,0 +1,205 @@ +/* Bit values & structures for resource limits. Linux version. + Copyright (C) 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; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_RESOURCE_H +# error "Never use <bits/resource.h> directly; include <sys/resource.h> instead." +#endif + +#include <bits/types.h> + +/* Transmute defines to enumerations. The macro re-definitions are + necessary because some programs want to test for operating system + features with #ifdef RUSAGE_SELF. In ISO C the reflexive + definition is a no-op. */ + +/* Kinds of resource limit. */ +enum __rlimit_resource +{ + /* Per-process CPU limit, in seconds. */ + RLIMIT_CPU = 0, +#define RLIMIT_CPU RLIMIT_CPU + + /* Largest file that can be created, in bytes. */ + RLIMIT_FSIZE = 1, +#define RLIMIT_FSIZE RLIMIT_FSIZE + + /* Maximum size of data segment, in bytes. */ + RLIMIT_DATA = 2, +#define RLIMIT_DATA RLIMIT_DATA + + /* Maximum size of stack segment, in bytes. */ + RLIMIT_STACK = 3, +#define RLIMIT_STACK RLIMIT_STACK + + /* Largest core file that can be created, in bytes. */ + RLIMIT_CORE = 4, +#define RLIMIT_CORE RLIMIT_CORE + + /* Largest resident set size, in bytes. + This affects swapping; processes that are exceeding their + resident set size will be more likely to have physical memory + taken from them. */ + RLIMIT_RSS = 5, +#define RLIMIT_RSS RLIMIT_RSS + + /* Number of open files. */ + RLIMIT_NOFILE = 7, + RLIMIT_OFILE = RLIMIT_NOFILE, /* BSD name for same. */ +#define RLIMIT_NOFILE RLIMIT_NOFILE +#define RLIMIT_OFILE RLIMIT_OFILE + + /* Address space limit. */ + RLIMIT_AS = 9, +#define RLIMIT_AS RLIMIT_AS + + /* Number of processes. */ + RLIMIT_NPROC = 6, +#define RLIMIT_NPROC RLIMIT_NPROC + + /* Locked-in-memory address space. */ + RLIMIT_MEMLOCK = 8, +#define RLIMIT_MEMLOCK RLIMIT_MEMLOCK + + RLIMIT_NLIMITS = 10, + RLIM_NLIMITS = RLIMIT_NLIMITS +#define RLIMIT_NLIMITS RLIMIT_NLIMITS +#define RLIM_NLIMITS RLIM_NLIMITS +}; + +/* Value to indicate that there is no limit. */ +#ifndef __USE_FILE_OFFSET64 +# define RLIM_INFINITY ((unsigned long int) (~0UL)) +#else +# define RLIM_INFINITY 0xffffffffffffffffuLL +#endif + +#ifdef __USE_LARGEFILE64 +# define RLIM64_INFINITY 0xffffffffffffffffuLL +#endif + +/* We can represent all limits. */ +#define RLIM_SAVED_MAX RLIM_INFINITY +#define RLIM_SAVED_CUR RLIM_INFINITY + + +/* Type for resource quantity measurement. */ +#ifndef __USE_FILE_OFFSET64 +typedef __rlim_t rlim_t; +#else +typedef __rlim64_t rlim_t; +#endif +#ifdef __USE_LARGEFILE64 +typedef __rlim64_t rlim64_t; +#endif + +struct rlimit + { + /* The current (soft) limit. */ + rlim_t rlim_cur; + /* The hard limit. */ + rlim_t rlim_max; + }; + +#ifdef __USE_LARGEFILE64 +struct rlimit64 + { + /* The current (soft) limit. */ + rlim64_t rlim_cur; + /* The hard limit. */ + rlim64_t rlim_max; + }; +#endif + +/* Whose usage statistics do you want? */ +enum __rusage_who +{ + /* The calling process. */ + RUSAGE_SELF = 0, +#define RUSAGE_SELF RUSAGE_SELF + + /* All of its terminated child processes. */ + RUSAGE_CHILDREN = -1, +#define RUSAGE_CHILDREN RUSAGE_CHILDREN + + /* Both. */ + RUSAGE_BOTH = -2 +#define RUSAGE_BOTH RUSAGE_BOTH +}; + +#define __need_timeval +#include <bits/time.h> /* For `struct timeval'. */ + +/* Structure which says how much of each resource has been used. */ +struct rusage + { + /* Total amount of user time used. */ + struct timeval ru_utime; + /* Total amount of system time used. */ + struct timeval ru_stime; + /* Maximum resident set size (in kilobytes). */ + long int ru_maxrss; + /* Amount of sharing of text segment memory + with other processes (kilobyte-seconds). */ + long int ru_ixrss; + /* Amount of data segment memory used (kilobyte-seconds). */ + long int ru_idrss; + /* Amount of stack memory used (kilobyte-seconds). */ + long int ru_isrss; + /* Number of soft page faults (i.e. those serviced by reclaiming + a page from the list of pages awaiting reallocation. */ + long int ru_minflt; + /* Number of hard page faults (i.e. those that required I/O). */ + long int ru_majflt; + /* Number of times a process was swapped out of physical memory. */ + long int ru_nswap; + /* Number of input operations via the file system. Note: This + and `ru_oublock' do not include operations with the cache. */ + long int ru_inblock; + /* Number of output operations via the file system. */ + long int ru_oublock; + /* Number of IPC messages sent. */ + long int ru_msgsnd; + /* Number of IPC messages received. */ + long int ru_msgrcv; + /* Number of signals delivered. */ + long int ru_nsignals; + /* Number of voluntary context switches, i.e. because the process + gave up the process before it had to (usually to wait for some + resource to be available). */ + long int ru_nvcsw; + /* Number of involuntary context switches, i.e. a higher priority process + became runnable or the current process used up its time slice. */ + long int ru_nivcsw; + }; + +/* Priority limits. */ +#define PRIO_MIN -20 /* Minimum priority a process can have. */ +#define PRIO_MAX 20 /* Maximum priority a process can have. */ + +/* The type of the WHICH argument to `getpriority' and `setpriority', + indicating what flavor of entity the WHO argument specifies. */ +enum __priority_which +{ + PRIO_PROCESS = 0, /* WHO is a process ID. */ +#define PRIO_PROCESS PRIO_PROCESS + PRIO_PGRP = 1, /* WHO is a process group ID. */ +#define PRIO_PGRP PRIO_PGRP + PRIO_USER = 2 /* WHO is a user ID. */ +#define PRIO_USER PRIO_USER +}; diff --git a/sysdeps/unix/sysv/linux/s390/bits/time.h b/sysdeps/unix/sysv/linux/s390/bits/time.h new file mode 100644 index 0000000000..dd1b0512b2 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/bits/time.h @@ -0,0 +1,79 @@ +/* System-dependent timing definitions. Linux version. + Copyright (C) 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; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* + * Never include this file directly; use <time.h> instead. + */ + +#ifndef __need_timeval +# ifndef _BITS_TIME_H +# define _BITS_TIME_H 1 + +/* ISO/IEC 9899:1990 7.12.1: <time.h> + The macro `CLOCKS_PER_SEC' is the number per second of the value + returned by the `clock' function. */ +/* CAE XSH, Issue 4, Version 2: <time.h> + The value of CLOCKS_PER_SEC is required to be 1 million on all + XSI-conformant systems. */ +# define CLOCKS_PER_SEC 1000000 + +# ifndef __STRICT_ANSI__ +/* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK + presents the real value for clock ticks per second for the system. */ +# define CLK_TCK 100 +# endif + +/* Clock ID used in clock and timer functions. */ +typedef int __clockid_t; + +/* Timer ID returned by `timer_create'. */ +typedef int __timer_t; + +# ifdef __USE_POSIX199309 +/* Identifier for system-wide realtime clock. */ +# define CLOCK_REALTIME 0 +/* Monotonic clock. */ +# define CLOCK_MONOTONIC 1 +/* High-resolution timer from the CPU. */ +# define CLOCK_PROCESS_CPUTIME_ID 2 +/* Thread-specific CPU-time clock. */ +# define CLOCK_THREAD_CPUTIME_ID 3 + +/* Flag to indicate time is absolute. */ +# define TIMER_ABSTIME 1 +# endif + +# endif /* bits/time.h */ +#endif + +#ifdef __need_timeval +# undef __need_timeval +# ifndef _STRUCT_TIMEVAL +# define _STRUCT_TIMEVAL 1 +# include <bits/types.h> + +/* A time value that is accurate to the nearest + microsecond but also has a range of years. */ +struct timeval + { + __time_t tv_sec; /* Seconds. */ + __suseconds_t tv_usec; /* Microseconds. */ + }; +# endif /* struct timeval */ +#endif /* need timeval */ diff --git a/sysdeps/unix/sysv/linux/s390/brk.c b/sysdeps/unix/sysv/linux/s390/brk.c new file mode 100644 index 0000000000..fe22f382ef --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/brk.c @@ -0,0 +1,57 @@ +/* + Copyright (C) 2000 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + 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 <errno.h> +#include <unistd.h> +#include <sysdep.h> + +void *__curbrk = 0; + +/* Old braindamage in GCC's crtstuff.c requires this symbol in an attempt + to work around different old braindamage in the old Linux/x86 ELF + dynamic linker. Sigh. */ +weak_alias (__curbrk, ___brk_addr) + +int +__brk (void *addr) +{ + void *newbrk; + + { + register long r0 asm ("2"); + register void *__addr asm("2") = addr; + + asm ("svc %b1\n\t" /* call sys_brk */ + : "=d" (r0) + : "I" (SYS_ify(brk)), "r" (__addr) + : _svc_clobber ); + newbrk = (void *) r0; + } + __curbrk = newbrk; + + if (newbrk < addr) + { + __set_errno (ENOMEM); + return -1; + } + + return 0; +} +weak_alias (__brk, brk) diff --git a/sysdeps/unix/sysv/linux/s390/clone.S b/sysdeps/unix/sysv/linux/s390/clone.S new file mode 100644 index 0000000000..bde800d3b2 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/clone.S @@ -0,0 +1,66 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + + 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. */ + +/* 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> + +/*int __clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg);*/ +/* sys_clone(void *child_stack, unsigned long flags) */ + + .text +ENTRY(__clone) + /* Sanity check arguments & move registers */ + ltr %r1,%r2 /* no NULL function pointers */ + lhi %r2,-EINVAL + jz SYSCALL_ERROR_LABEL + ltr %r3,%r3 /* no NULL stack pointers */ + jz SYSCALL_ERROR_LABEL + /* move child_stack and flags, then call SVC */ + lr %r2,%r3 + lr %r3,%r4 + svc SYS_ify(clone) + ltr %r2,%r2 /* check return code */ + jm SYSCALL_ERROR_LABEL + jz thread_start + br %r14 + +thread_start: + /* fn is in gpr 1, arg in gpr 5 */ + lr %r2,%r5 /* set first parameter to void *arg */ + sr %r11,%r11 /* terminate the stack frame */ + ahi %r15,-96 /* make room on the stack for the save area */ + basr %r14,%r1 /* jump to fn */ +#ifdef PIC + basr %r12,0 +.L0: lr %r1,%r12 + al %r12,.L1-.L0(%r12) + al %r1,.L2-.L0(%r1) + br %r1 /* branch to _exit -> thread termination */ +.L1: .long _GLOBAL_OFFSET_TABLE_ - .L0 +.L2: .long _exit@PLT - .L0 +#else + basr %r1,0 +.L0: al %r1,.L1-.L0(0,%r1) + br %r1 /* branch to _exit -> thread termination */ +.L1: .long _exit - .L0 +#endif +PSEUDO_END (__clone) diff --git a/sysdeps/unix/sysv/linux/s390/fchown.c b/sysdeps/unix/sysv/linux/s390/fchown.c new file mode 100644 index 0000000000..3a69ecc9e7 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/fchown.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/fchown.c> diff --git a/sysdeps/unix/sysv/linux/s390/getegid.c b/sysdeps/unix/sysv/linux/s390/getegid.c new file mode 100644 index 0000000000..37b4b4a530 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/getegid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/getegid.c> diff --git a/sysdeps/unix/sysv/linux/s390/geteuid.c b/sysdeps/unix/sysv/linux/s390/geteuid.c new file mode 100644 index 0000000000..ebcb555b5e --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/geteuid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/geteuid.c> diff --git a/sysdeps/unix/sysv/linux/s390/getgid.c b/sysdeps/unix/sysv/linux/s390/getgid.c new file mode 100644 index 0000000000..0a4d6061f0 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/getgid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/getgid.c> diff --git a/sysdeps/unix/sysv/linux/s390/getgroups.c b/sysdeps/unix/sysv/linux/s390/getgroups.c new file mode 100644 index 0000000000..20a7166103 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/getgroups.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/getgroups.c> diff --git a/sysdeps/unix/sysv/linux/s390/getmsg.c b/sysdeps/unix/sysv/linux/s390/getmsg.c new file mode 100644 index 0000000000..3a1fa08525 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/getmsg.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/getmsg.c> diff --git a/sysdeps/unix/sysv/linux/s390/getpmsg.c b/sysdeps/unix/sysv/linux/s390/getpmsg.c new file mode 100644 index 0000000000..bb65f81bf9 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/getpmsg.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/getpmsg.c> diff --git a/sysdeps/unix/sysv/linux/s390/getresgid.c b/sysdeps/unix/sysv/linux/s390/getresgid.c new file mode 100644 index 0000000000..b703a414cc --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/getresgid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/getresgid.c> diff --git a/sysdeps/unix/sysv/linux/s390/getresuid.c b/sysdeps/unix/sysv/linux/s390/getresuid.c new file mode 100644 index 0000000000..0b14cefe34 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/getresuid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/getresuid.c> diff --git a/sysdeps/unix/sysv/linux/s390/getuid.c b/sysdeps/unix/sysv/linux/s390/getuid.c new file mode 100644 index 0000000000..d682c79a49 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/getuid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/getuid.c> diff --git a/sysdeps/unix/sysv/linux/s390/mmap.S b/sysdeps/unix/sysv/linux/s390/mmap.S new file mode 100644 index 0000000000..0ba58ccf82 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/mmap.S @@ -0,0 +1,60 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + 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> + + .text + +ENTRY(__mmap) + /* Save registers and setup stack frame. */ + stm %r6,%r15,24(%r15) + lr %r1,%r15 + l %r0,4(0,%r15) /* load eos */ + ahi %r15,-120 /* buy stack space */ + st %r1,0(0,%r15) /* store back chain */ + st %r0,4(0,%r15) /* store eos */ + + /* Store parameters on stack, because old_mmap + * takes only one parameter: a pointer to the parameter area + */ + mvc 0x74(4,%r15),216(%r15) /* move 'offset' */ + st %r6,0x70(0,%r15) /* store 'fd' */ + st %r5,0x6C(0,%r15) /* store 'flags' */ + st %r4,0x68(0,%r15) /* store 'prot' */ + st %r3,0x64(0,%r15) /* store 'length' */ + st %r2,0x60(0,%r15) /* store 'start' */ + + la %r2,0x60(0,%r15) /* load address of parameter list */ + /* Do the system call trap. */ + svc SYS_ify(mmap) + + l %r15,0(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 + +PSEUDO_END (__mmap) + +weak_alias (__mmap, mmap) diff --git a/sysdeps/unix/sysv/linux/s390/msgctl.c b/sysdeps/unix/sysv/linux/s390/msgctl.c new file mode 100644 index 0000000000..9f9b8431a3 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/msgctl.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/msgctl.c> diff --git a/sysdeps/unix/sysv/linux/s390/profil-counter.h b/sysdeps/unix/sysv/linux/s390/profil-counter.h new file mode 100644 index 0000000000..33630b9384 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/profil-counter.h @@ -0,0 +1,27 @@ +/* Low-level statistical profiling support function. Linux/s390 version. + Copyright (C) 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; 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 <signal.h> +#include <sigcontextinfo.h> + +static void +profil_counter (int signo, SIGCONTEXT scp) +{ + profil_count ((void *) GET_PC (scp)); +} diff --git a/sysdeps/unix/sysv/linux/s390/putmsg.c b/sysdeps/unix/sysv/linux/s390/putmsg.c new file mode 100644 index 0000000000..ebc1680ca7 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/putmsg.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/putmsg.c> diff --git a/sysdeps/unix/sysv/linux/s390/putpmsg.c b/sysdeps/unix/sysv/linux/s390/putpmsg.c new file mode 100644 index 0000000000..fbfa59892a --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/putpmsg.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/putpmsg.c> diff --git a/sysdeps/unix/sysv/linux/s390/register-dump.h b/sysdeps/unix/sysv/linux/s390/register-dump.h new file mode 100644 index 0000000000..3c859aae88 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/register-dump.h @@ -0,0 +1,130 @@ +/* Dump registers. + Copyright (C) 2000 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + 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 <sys/uio.h> +#include <stdio-common/_itoa.h> + +/* We will print the register dump in this format: + + GPR0: XXXXXXXX GPR1: XXXXXXXX GPR2: XXXXXXXX GPR3: XXXXXXXX + GPR4: XXXXXXXX GPR5: XXXXXXXX GPR6: XXXXXXXX GPR7: XXXXXXXX + GPR8: XXXXXXXX GPR9: XXXXXXXX GPRA: XXXXXXXX GPRB: XXXXXXXX + GPRC: XXXXXXXX GPRD: XXXXXXXX GPRE: XXXXXXXX GPRF: XXXXXXXX + + PSW.MASK: XXXXXXXX PSW.ADDR: XXXXXXXX + + ST(0) XXXX XXXXXXXXXXXXXXXX ST(1) XXXX XXXXXXXXXXXXXXXX + ST(2) XXXX XXXXXXXXXXXXXXXX ST(3) XXXX XXXXXXXXXXXXXXXX + ST(4) XXXX XXXXXXXXXXXXXXXX ST(5) XXXX XXXXXXXXXXXXXXXX + ST(6) XXXX XXXXXXXXXXXXXXXX ST(7) XXXX XXXXXXXXXXXXXXXX + + */ + +static void +hexvalue (unsigned long int value, char *buf, size_t len) +{ + char *cp = _itoa_word (value, buf + len, 16, 0); + while (cp > buf) + *--cp = '0'; +} + +static void +register_dump (int fd, struct sigcontext *ctx) +{ + char regs[19][8]; + struct iovec iov[40]; + size_t nr = 0; + +#define ADD_STRING(str) \ + iov[nr].iov_base = (char *) str; \ + iov[nr].iov_len = strlen (str); \ + ++nr +#define ADD_MEM(str, len) \ + iov[nr].iov_base = str; \ + iov[nr].iov_len = len; \ + ++nr + + /* Generate strings of register contents. */ + hexvalue (ctx->sregs->regs.gprs[0], regs[0], 8); + hexvalue (ctx->sregs->regs.gprs[1], regs[1], 8); + hexvalue (ctx->sregs->regs.gprs[2], regs[2], 8); + hexvalue (ctx->sregs->regs.gprs[3], regs[3], 8); + hexvalue (ctx->sregs->regs.gprs[4], regs[4], 8); + hexvalue (ctx->sregs->regs.gprs[5], regs[5], 8); + hexvalue (ctx->sregs->regs.gprs[6], regs[6], 8); + hexvalue (ctx->sregs->regs.gprs[7], regs[7], 8); + hexvalue (ctx->sregs->regs.gprs[8], regs[8], 8); + hexvalue (ctx->sregs->regs.gprs[9], regs[9], 8); + hexvalue (ctx->sregs->regs.gprs[10], regs[10], 8); + hexvalue (ctx->sregs->regs.gprs[11], regs[11], 8); + hexvalue (ctx->sregs->regs.gprs[12], regs[12], 8); + hexvalue (ctx->sregs->regs.gprs[13], regs[13], 8); + hexvalue (ctx->sregs->regs.gprs[14], regs[14], 8); + hexvalue (ctx->sregs->regs.gprs[15], regs[15], 8); + hexvalue (ctx->sregs->regs.psw.mask, regs[16], 8); + hexvalue (ctx->sregs->regs.psw.addr, regs[17], 8); + + /* Generate the output. */ + ADD_STRING ("Register dump:\n\n GPR0: "); + ADD_MEM (regs[0], 8); + ADD_STRING (" GPR1: "); + ADD_MEM (regs[1], 8); + ADD_STRING (" GPR2: "); + ADD_MEM (regs[2], 8); + ADD_STRING (" GPR3: "); + ADD_MEM (regs[3], 8); + ADD_STRING ("\n GPR4: "); + ADD_MEM (regs[4], 8); + ADD_STRING (" GPR5: "); + ADD_MEM (regs[5], 8); + ADD_STRING (" GPR6: "); + ADD_MEM (regs[6], 8); + ADD_STRING (" GPR7: "); + ADD_MEM (regs[7], 8); + ADD_STRING ("\n GPR8: "); + ADD_MEM (regs[8], 8); + ADD_STRING (" GPR9: "); + ADD_MEM (regs[9], 8); + ADD_STRING (" GPRA: "); + ADD_MEM (regs[10], 8); + ADD_STRING (" GPRB: "); + ADD_MEM (regs[11], 8); + ADD_STRING ("\n GPRC: "); + ADD_MEM (regs[12], 8); + ADD_STRING (" GPRD: "); + ADD_MEM (regs[13], 8); + ADD_STRING (" GPRE: "); + ADD_MEM (regs[14], 8); + ADD_STRING (" GPRF: "); + ADD_MEM (regs[15], 8); + ADD_STRING ("\n\n PSW.MASK: "); + ADD_MEM (regs[16], 8); + ADD_STRING (" PSW.ADDR: "); + ADD_MEM (regs[17], 8); + ADD_STRING (" TRAP: "); + ADD_MEM (regs[18], 4); + ADD_STRING ("\n"); + + /* Write the stuff out. */ + writev (fd, iov, nr); +} + + +#define REGISTER_DUMP register_dump (fd, &ctx) diff --git a/sysdeps/unix/sysv/linux/s390/semctl.c b/sysdeps/unix/sysv/linux/s390/semctl.c new file mode 100644 index 0000000000..e9b1a483c9 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/semctl.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/semctl.c> diff --git a/sysdeps/unix/sysv/linux/s390/setegid.c b/sysdeps/unix/sysv/linux/s390/setegid.c new file mode 100644 index 0000000000..2e3a54c893 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/setegid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setegid.c> diff --git a/sysdeps/unix/sysv/linux/s390/seteuid.c b/sysdeps/unix/sysv/linux/s390/seteuid.c new file mode 100644 index 0000000000..18e41d08c1 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/seteuid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/seteuid.c> diff --git a/sysdeps/unix/sysv/linux/s390/setfsgid.c b/sysdeps/unix/sysv/linux/s390/setfsgid.c new file mode 100644 index 0000000000..0886712569 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/setfsgid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setfsgid.c> diff --git a/sysdeps/unix/sysv/linux/s390/setfsuid.c b/sysdeps/unix/sysv/linux/s390/setfsuid.c new file mode 100644 index 0000000000..a9f22eb8ab --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/setfsuid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setfsuid.c> diff --git a/sysdeps/unix/sysv/linux/s390/setgid.c b/sysdeps/unix/sysv/linux/s390/setgid.c new file mode 100644 index 0000000000..377021d9ec --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/setgid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setgid.c> diff --git a/sysdeps/unix/sysv/linux/s390/setgroups.c b/sysdeps/unix/sysv/linux/s390/setgroups.c new file mode 100644 index 0000000000..0e7086278f --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/setgroups.c @@ -0,0 +1,2 @@ +/* We also have to rewrite the kernel gid_t to the user land type. */ +#include <sysdeps/unix/sysv/linux/i386/setgroups.c> diff --git a/sysdeps/unix/sysv/linux/s390/setregid.c b/sysdeps/unix/sysv/linux/s390/setregid.c new file mode 100644 index 0000000000..99c57ad20f --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/setregid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setregid.c> diff --git a/sysdeps/unix/sysv/linux/s390/setresgid.c b/sysdeps/unix/sysv/linux/s390/setresgid.c new file mode 100644 index 0000000000..daca1a4833 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/setresgid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setresgid.c> diff --git a/sysdeps/unix/sysv/linux/s390/setresuid.c b/sysdeps/unix/sysv/linux/s390/setresuid.c new file mode 100644 index 0000000000..3aeabe9ad7 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/setresuid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setresuid.c> diff --git a/sysdeps/unix/sysv/linux/s390/setreuid.c b/sysdeps/unix/sysv/linux/s390/setreuid.c new file mode 100644 index 0000000000..8ad61226e9 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/setreuid.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/setreuid.c> diff --git a/sysdeps/unix/sysv/linux/s390/setuid.c b/sysdeps/unix/sysv/linux/s390/setuid.c new file mode 100644 index 0000000000..c8fa23e354 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/setuid.c @@ -0,0 +1,2 @@ +#include <sysdeps/unix/sysv/linux/i386/setuid.c> + diff --git a/sysdeps/unix/sysv/linux/s390/shmctl.c b/sysdeps/unix/sysv/linux/s390/shmctl.c new file mode 100644 index 0000000000..7eac6380dd --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/shmctl.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/shmctl.c> diff --git a/sysdeps/unix/sysv/linux/s390/sigcontextinfo.h b/sysdeps/unix/sysv/linux/s390/sigcontextinfo.h new file mode 100644 index 0000000000..ccd5a41354 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/sigcontextinfo.h @@ -0,0 +1,26 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + 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 <signal.h> + +#define SIGCONTEXT struct sigcontext * +#define SIGCONTEXT_EXTRA_ARGS +#define GET_PC(ctx) ((void *)((ctx)->sregs->regs.psw.addr)) +#define GET_FRAME(ctx) (*(void **)((ctx)->sregs->regs.gprs[11])) +#define GET_STACK(ctx) ((void *)((ctx)->sregs->regs.gprs[15])) diff --git a/sysdeps/unix/sysv/linux/s390/socket.S b/sysdeps/unix/sysv/linux/s390/socket.S new file mode 100644 index 0000000000..562b98f933 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/socket.S @@ -0,0 +1,98 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + 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 <socketcall.h> + +/* &%/$&!! preprocessor */ +#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 + +#ifndef NARGS /* the socket.o object is compiled directly ... */ +#define NARGS 3 +#endif + +.globl __socket +ENTRY(__socket) + + /* Save registers and setup stack. */ + stm %r6,%r15,24(%r15) /* save registers */ + lr %r1,%r15 + l %r0,4(0,%r15) /* load eos */ + ahi %r15,-120 /* buy stack space */ + st %r1,0(0,%r15) /* store back chain */ + st %r0,4(0,%r15) /* store eos */ + + /* Reorder arguments */ +#if (NARGS >= 6) + mvc 0x74(4,%r15),216(%r15) /* move between parameter lists */ +#endif +#if (NARGS >= 5) + st %r6,0x70(0,%r15) /* store into parameter list */ +#endif +#if (NARGS >= 4) + st %r5,0x6C(0,%r15) /* store into parameter list */ +#endif +#if (NARGS >= 3) + st %r4,0x68(0,%r15) /* store into parameter list */ +#endif +#if (NARGS >= 2) + st %r3,0x64(0,%r15) /* store into parameter list */ + st %r2,0x60(0,%r15) +#endif + /* load subcode for socket syscall */ + lhi %r2,P(SOCKOP_,socket) + la %r3,0x60(0,%r15) /* load address of parameter list */ + + /* Do the system call trap. */ + svc SYS_ify(socketcall) + + l %r15,0(0,%r15) /* load back chain */ + lm %r6,15,24(%r15) /* load registers */ + + /* gpr2 is < 0 if there was an error. */ + lhi %r0,-125 + clr %r2,%r0 + jnl SYSCALL_ERROR_LABEL + + /* Successful; return the syscall's value. */ + br %r14 + +PSEUDO_END (__socket) + +#ifndef NO_WEAK_ALIAS +weak_alias (__socket, socket) +#endif diff --git a/sysdeps/unix/sysv/linux/s390/sys/elf.h b/sysdeps/unix/sysv/linux/s390/sys/elf.h new file mode 100644 index 0000000000..ecf6705a05 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/sys/elf.h @@ -0,0 +1,28 @@ +/* Copyright (C) 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; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_ELF_H +#define _SYS_ELF_H 1 + +/* + * ELF register definitions.. + */ + +#include <asm/elf.h> + +#endif /* _SYS_ELF_H */ diff --git a/sysdeps/unix/sysv/linux/s390/sys/ptrace.h b/sysdeps/unix/sysv/linux/s390/sys/ptrace.h new file mode 100644 index 0000000000..b82730e559 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/sys/ptrace.h @@ -0,0 +1,138 @@ +/* `ptrace' debugger support interface. Linux version. + Copyright (C) 2000 Free Software Foundation, Inc. + Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com). + 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. */ + +#ifndef _SYS_PTRACE_H +#define _SYS_PTRACE_H 1 + +#include <features.h> + +__BEGIN_DECLS +#ifdef _LINUX_PTRACE_H +/* Kludge to stop stuff gdb & strace compiles from getting upset + */ +#undef PTRACE_TRACEME +#undef PTRACE_PEEKTEXT +#undef PTRACE_PEEKDATA +#undef PTRACE_PEEKUSR +#undef PTRACE_POKETEXT +#undef PTRACE_POKEDATA +#undef PTRACE_POKEUSR +#undef PTRACE_CONT +#undef PTRACE_KILL +#undef PTRACE_SINGLESTEP + +#undef PTRACE_ATTACH +#undef PTRACE_DETACH + +#undef PTRACE_SYSCALL +#endif +/* Type of the REQUEST argument to `ptrace.' */ +enum __ptrace_request +{ + /* Indicate that the process making this request should be traced. + All signals received by this process can be intercepted by its + parent, and its parent can use the other `ptrace' requests. */ + PTRACE_TRACEME = 0, +#define PT_TRACE_ME PTRACE_TRACEME + + /* Return the word in the process's text space at address ADDR. */ + PTRACE_PEEKTEXT = 1, +#define PT_READ_I PTRACE_PEEKTEXT + + /* Return the word in the process's data space at address ADDR. */ + PTRACE_PEEKDATA = 2, +#define PT_READ_D PTRACE_PEEKDATA + + /* Return the word in the process's user area at offset ADDR. */ + PTRACE_PEEKUSER = 3, +#define PT_READ_U PTRACE_PEEKUSER + + /* Write the word DATA into the process's text space at address ADDR. */ + PTRACE_POKETEXT = 4, +#define PT_WRITE_I PTRACE_POKETEXT + + /* Write the word DATA into the process's data space at address ADDR. */ + PTRACE_POKEDATA = 5, +#define PT_WRITE_D PTRACE_POKEDATA + + /* Write the word DATA into the process's user area at offset ADDR. */ + PTRACE_POKEUSER = 6, +#define PT_WRITE_U PTRACE_POKEUSER + + /* Continue the process. */ + PTRACE_CONT = 7, +#define PT_CONTINUE PTRACE_CONT + + /* Kill the process. */ + PTRACE_KILL = 8, +#define PT_KILL PTRACE_KILL + + /* Single step the process. + This is not supported on all machines. */ + PTRACE_SINGLESTEP = 9, +#define PT_STEP PTRACE_SINGLESTEP + + /* Get all general purpose registers used by a processes. + This is not supported on all machines. */ + PTRACE_GETREGS = 12, +#define PT_GETREGS PTRACE_GETREGS + + /* Set all general purpose registers used by a processes. + This is not supported on all machines. */ + PTRACE_SETREGS = 13, +#define PT_SETREGS PTRACE_SETREGS + + /* Get all floating point registers used by a processes. + This is not supported on all machines. */ + PTRACE_GETFPREGS = 14, +#define PT_GETFPREGS PTRACE_GETFPREGS + + /* Set all floating point registers used by a processes. + This is not supported on all machines. */ + PTRACE_SETFPREGS = 15, +#define PT_SETFPREGS PTRACE_SETFPREGS + + /* Attach to a process that is already running. */ + PTRACE_ATTACH = 16, +#define PT_ATTACH PTRACE_ATTACH + + /* Detach from a process attached to with PTRACE_ATTACH. */ + PTRACE_DETACH = 17, +#define PT_DETACH PTRACE_DETACH + + /* Continue and stop at the next (return from) syscall. */ + PTRACE_SYSCALL = 24 +#define PT_SYSCALL PTRACE_SYSCALL +}; + +/* Perform process tracing functions. REQUEST is one of the values + above, and determines the action to be taken. + For all requests except PTRACE_TRACEME, PID specifies the process to be + traced. + + PID and the other arguments described above for the various requests should + appear (those that are used for the particular request) as: + pid_t PID, void *ADDR, int DATA, void *ADDR2 + after REQUEST. */ +extern long int ptrace (enum __ptrace_request __request, ...); + +__END_DECLS + +#endif /* _SYS_PTRACE_H */ diff --git a/sysdeps/unix/sysv/linux/s390/sys/ucontext.h b/sysdeps/unix/sysv/linux/s390/sys/ucontext.h new file mode 100644 index 0000000000..4723ce1810 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/sys/ucontext.h @@ -0,0 +1,96 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com). + 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. */ + +#ifndef _SYS_UCONTEXT_H +#define _SYS_UCONTEXT_H 1 + +#include <features.h> +#include <signal.h> + +/* We need the signal context definitions even if they are not used + included in <signal.h>. */ +#include <bits/sigcontext.h> + + +/* Type for general register. */ +typedef int greg_t; + +/* Number of general registers. */ +#define NGREG 16 + +/* Number of each register is the `gregset_t' array. */ +enum +{ + GPR0 = 0, +#define GPR0 GPR0 + GPR1, +#define GPR1 GPR1 + GPR2, +#define GPR2 GPR2 + GPR3, +#define GPR3 GPR3 + GPR4, +#define GPR4 GPR4 + GPR5, +#define GPR5 GPR5 + GPR6, +#define GPR6 GPR6 + GPR7, +#define GPR7 GPR7 + GPR8, +#define GPR8 GPR8 + GPR9, +#define GPR9 GPR9 + GPRA, +#define GPRA GPRA + GPRB, +#define GPRB GPRB + GPRC, +#define GPRC GPRC + GPRD, +#define GPRD GPRD + GPRE, +#define GPRE GPRE + GPRF +#define GPRF GPRF +}; + +/* Structure to describe FPU registers. */ +typedef long long fpreg_t; + +/* Context to describe whole processor state. */ +typedef struct + { + int version; + greg_t gregs[NGREG]; + fpreg_t fpregs[16]; + } mcontext_t; + +/* Userlevel context. */ +typedef struct ucontext + { + unsigned long int uc_flags; + struct ucontext *uc_links; + __sigset_t uc_sigmask; + stack_t uc_stack; + mcontext_t uc_mcontext; + long int uc_filler[170]; + } ucontext_t; + +#endif /* sys/ucontext.h */ diff --git a/sysdeps/unix/sysv/linux/s390/sys/user.h b/sysdeps/unix/sysv/linux/s390/sys/user.h new file mode 100644 index 0000000000..50821826e4 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/sys/user.h @@ -0,0 +1,24 @@ +/* Copyright (C) 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; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_USER_H +#define _SYS_USER_H 1 + +#include <asm/user.h> + +#endif /* _SYS_USER_H */ diff --git a/sysdeps/unix/sysv/linux/s390/syscall.S b/sysdeps/unix/sysv/linux/s390/syscall.S new file mode 100644 index 0000000000..dbd8d6887c --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/syscall.S @@ -0,0 +1,51 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + 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> + +/* Please consult the file sysdeps/unix/sysv/linux/s390/sysdep.h for + more information about the value -4095 used below.*/ + +ENTRY (syscall) + /* Save registers and setup stack. */ + stm %r6,%r15,24(%r15) /* save registers */ + lr %r1,%r15 + l %r0,4(0,%r15) /* load eos */ + ahi %r15,-96 /* buy stack space */ + st %r1,0(0,%r15) /* store back chain */ + st %r0,4(0,%r15) /* store eos */ + + lr %r1,%r2 /* move syscall number */ + lr %r2,%r3 /* first parameter */ + lr %r3,%r4 /* second parameter */ + lr %r4,%r5 /* third parameter */ + lr %r5,%r6 /* fourth parameter */ + l %r6,192(%r15) /* fifth parameter */ + basr %r7,0 +.L0: ex %r1,.L1-.L0(%r7) /* lsb of R1 is subsituted as SVC number */ + + l %r15,0(0,%r15) /* load back chain */ + lm %r6,15,24(%r15) /* load registers */ + + lhi %r0,-4095 + clr %r2,%r0 /* check R2 for error */ + jnl SYSCALL_ERROR_LABEL + br %r14 /* return to caller */ +.L1: .word 0x0A00 /* opcode for SVC 0 */ +PSEUDO_END (syscall) diff --git a/sysdeps/unix/sysv/linux/s390/sysdep.S b/sysdeps/unix/sysv/linux/s390/sysdep.S new file mode 100644 index 0000000000..5515c0f9ce --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/sysdep.S @@ -0,0 +1,104 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + 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> + +/* Because the Linux version is in fact m68k/ELF and the start.? file + for this system (sysdeps/m68k/elf/start.S) is also used by The Hurd + and therefore this files must not contain the definition of the + `errno' variable (I don't know why, ask Roland), we have to define + it somewhere else. + + ...and this place is here. */ + .bss + .globl errno + .type errno,@object + .size errno,4 +errno: + .space 4 +weak_alias (errno, _errno) + +/* The following code is only used in the shared library when we + compile the reentrant version. Otherwise each system call defines + each own version. */ + +/* The syscall stubs jump here when they detect an error. */ + +#undef CALL_MCOUNT +#define CALL_MCOUNT + + .text +ENTRY(__syscall_error) +#ifndef PIC +#ifndef _LIBC_REENTRANT + lcr %r2,%r2 + basr %r1,0 +.L0: l %r1,.L1-.L0(%r1) + st %r2,0(0,%r1) + lhi %r2,-1 + br %r14 +.L1: .long errno +#else + stm %r11,%r15,44(%r15) + lr %r0,%r15 + ahi %r15,-96 + st %r0,0(%r15) + lcr %r11,%r2 + basr %r13,0 +.L0: l %r1,.L1-.L0(%r13) + basr %r14,%r1 + st %r11,0(%r2) + lhi %r2,-1 + l %r15,0(%r15) + lm %r11,%r15,44(%r15) + br %r14 +.L1: .long __errno_location +#endif +#else +#ifndef _LIBC_REENTRANT + basr %r1,0 +.L0: al %r1,.L1-.L0(%r1) + l %r1,errno@GOT12(%r1) + lcr %r2,%r2 + st %r2,0(0,%r1) + lhi %r2,-1 + br %r14 +.L1: .long _GLOBAL_OFFSET_TABLE_-0b +#else + stm %r11,%r15,44(%r15) + lr %r0,%r15 + ahi %r15,-96 + st %r0,0(%r15) + lcr %r11,%r2 + basr %r13,0 +.L0: l %r12,.L1-.L0(%r13) + ar %r12,%r13 + l %r14,.L2-.L0(%r13) + bas %r14,0(%r14,%r13) + st %r11,0(0,%r2) + lhi %r2,-1 + l %r15,0(%r15) + lm %r11,%r15,44(%r15) + br %r14 +.L1: .long _GLOBAL_OFFSET_TABLE_ - .L0 +.L2: .long __errno_location@PLT - .L0 +#endif +#endif + +END (__syscall_error) diff --git a/sysdeps/unix/sysv/linux/s390/sysdep.h b/sysdeps/unix/sysv/linux/s390/sysdep.h new file mode 100644 index 0000000000..be58e7f94d --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/sysdep.h @@ -0,0 +1,212 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + 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. */ + +#ifndef _LINUX_S390_SYSDEP_H +#define _LINUX_S390_SYSEDP_H + +#include <sysdeps/s390/sysdep.h> +#include <sysdeps/unix/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. */ +/* in newer 2.1 kernels __NR_syscall is missing so we define it here */ +#define __NR_syscall 0 + +#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 gpr2 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. */ + +#define SYSCALL_ERROR_LABEL 0f + +#undef PSEUDO +#define PSEUDO(name, syscall_name, args) \ + .text; \ + ENTRY (name) \ + DO_CALL (args, syscall_name); \ + lhi %r4,-4095 ; \ + clr %r2,%r4 ; \ + jnl SYSCALL_ERROR_LABEL ; \ + L(pseudo_end): + +#undef PSEUDO_END +#define PSEUDO_END(name) \ + SYSCALL_ERROR_HANDLER; \ + END (name) + +#ifndef _LIBC_REENTRANT +#ifndef PIC +#define SYSCALL_ERROR_HANDLER \ +0: lcr %r2,%r2 ; \ + basr %r1,0 ; \ +1: l %r1,2f-1b(%r1) \ + st %r2,0(%r1) \ + lhi %r2,-1 \ + br %r14 \ +2: .long errno +#else +#define SYSCALL_ERROR_HANDLER \ +0: basr %r1,0 ; \ +1: al %r1,2f-1b(%r1) ; \ + l %r1,errno@GOT12(%r1) ; \ + lcr %r2,%r2 ; \ + st %r2,0(%r1) ; \ + lhi %r2,-1 ; \ + br %r14 ; \ +2: .long _GLOBAL_OFFSET_TABLE_-1b +#endif /* PIC */ +#else +#define SYSCALL_ERROR_HANDLER \ +0: basr %r1,0 ; \ +1: al %r1,2f-1b(%r1) ; \ + br %r1 ; \ +2: .long __syscall_error@PLT-1b +#endif /* _LIBC_REENTRANT */ + +/* Linux takes system call arguments in registers: + + syscall number 1 call-clobbered + arg 1 2 call-clobbered + arg 2 3 call-clobbered + arg 3 4 call-clobbered + arg 4 5 call-clobbered + arg 5 6 call-saved + + (Of course a function with say 3 arguments does not have entries for + arguments 4 and 5.) + S390 does not need to do ANY stack operations to get its parameters + right. + */ + +#define DO_CALL(args, syscall) \ + svc SYS_ify (syscall) + +#define ret \ + br 14 + +#endif /* __ASSEMBLER__ */ + +#undef INLINE_SYSCALL +#define INLINE_SYSCALL(name, nr, args...) \ + ({ \ + DECLARGS_##nr(args) \ + int err; \ + asm volatile ( \ + LOADARGS_##nr \ + "svc %b1\n\t" \ + "lr %0,%%r2\n\t" \ + : "=d" (err) \ + : "I" (__NR_##name) ASMFMT_##nr \ + : "memory", "cc", "2", "3", "4", "5", "6"); \ + if (err >= 0xfffff001) \ + { \ + __set_errno(-err); \ + err = 0xffffffff; \ + } \ + (int) err; }) + +#define DECLARGS_0() +#define DECLARGS_1(arg1) \ + unsigned int gpr2 = (unsigned int) (arg1); +#define DECLARGS_2(arg1, arg2) \ + DECLARGS_1(arg1) \ + unsigned int gpr3 = (unsigned int) (arg2); +#define DECLARGS_3(arg1, arg2, arg3) \ + DECLARGS_2(arg1, arg2) \ + unsigned int gpr4 = (unsigned int) (arg3); +#define DECLARGS_4(arg1, arg2, arg3, arg4) \ + DECLARGS_3(arg1, arg2, arg3) \ + unsigned int gpr5 = (unsigned int) (arg4); +#define DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \ + DECLARGS_4(arg1, arg2, arg3, arg4) \ + unsigned int gpr6 = (unsigned int) (arg5); + +#define LOADARGS_0 +#define LOADARGS_1 "L 2,%2\n\t" +#define LOADARGS_2 LOADARGS_1 "L 3,%3\n\t" +#define LOADARGS_3 LOADARGS_2 "L 4,%4\n\t" +#define LOADARGS_4 LOADARGS_3 "L 5,%5\n\t" +#define LOADARGS_5 LOADARGS_4 "L 6,%6\n\t" + +#define ASMFMT_0 +#define ASMFMT_1 , "m" (gpr2) +#define ASMFMT_2 , "m" (gpr2), "m" (gpr3) +#define ASMFMT_3 , "m" (gpr2), "m" (gpr3), "m" (gpr4) +#define ASMFMT_4 , "m" (gpr2), "m" (gpr3), "m" (gpr4), "m" (gpr5) +#define ASMFMT_5 , "m" (gpr2), "m" (gpr3), "m" (gpr4), "m" (gpr5), "m" (gpr6) + +#if 0 +#undef INLINE_SYSCALL +#define INLINE_SYSCALL(name, nr, args...) \ + ({ \ + DECLARGS_##nr(args) \ + asm volatile ( \ + "svc %b1\n\t" \ + : "+d" (gpr2) \ + : "I" (__NR_##name) ASMFMT_##nr : "memory", "cc"); \ + if (gpr2 >= 0xfffff001) \ + { \ + __set_errno(-gpr2); \ + gpr2 = 0xffffffff; \ + } \ + (int) gpr2; }) + +#define DECLARGS_0() \ + register unsigned int gpr2 asm("2"); +#define DECLARGS_1(arg1) \ + register unsigned int gpr2 asm("2") = (unsigned int) (arg1); +#define DECLARGS_2(arg1, arg2) \ + DECLARGS_1(arg1) \ + register unsigned int gpr3 asm("3") = (unsigned int) (arg2); +#define DECLARGS_3(arg1, arg2, arg3) \ + DECLARGS_2(arg1, arg2) \ + register unsigned int gpr4 asm("4") = (unsigned int) (arg3); +#define DECLARGS_4(arg1, arg2, arg3, arg4) \ + DECLARGS_3(arg1, arg2, arg3) \ + register unsigned int gpr5 asm("5") = (unsigned int) (arg4); +#define DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \ + DECLARGS_4(arg1, arg2, arg3, arg4) \ + register unsigned int gpr6 asm("6") = (unsigned int) (arg5); + +#define ASMFMT_0 +#define ASMFMT_1 +#define ASMFMT_2 , "d" (gpr3) +#define ASMFMT_3 , "d" (gpr3), "d" (gpr4) +#define ASMFMT_4 , "d" (gpr3), "d" (gpr4), "d" (gpr5) +#define ASMFMT_5 , "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6) + +#endif /* 0 */ + +#endif /* _LINUX_S390_SYSDEP_H */ |