diff options
Diffstat (limited to 'sysdeps/unix/sysv')
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/bits/elfclass.h | 14 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/bits/endian.h | 7 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/bits/types.h | 136 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/syscall.S | 45 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/sysdep.S | 84 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/sysdep.h | 99 |
6 files changed, 385 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/ia64/bits/elfclass.h b/sysdeps/unix/sysv/linux/ia64/bits/elfclass.h new file mode 100644 index 0000000000..de0c694e0c --- /dev/null +++ b/sysdeps/unix/sysv/linux/ia64/bits/elfclass.h @@ -0,0 +1,14 @@ +/* This file specifies the native word size of the machine, which indicates + the ELF file class used for executables and shared objects on this + machine. */ + +#ifndef _LINK_H +# error "Never use <bits/elfclass.h> directly; include <link.h> instead." +#endif + +#include <bits/wordsize.h> + +#define __ELF_NATIVE_CLASS __WORDSIZE + +/* Linux/ia64, like the Alpha has the .hash section with 64 bit entries. */ +typedef uint64_t Elf_Symndx; diff --git a/sysdeps/unix/sysv/linux/ia64/bits/endian.h b/sysdeps/unix/sysv/linux/ia64/bits/endian.h new file mode 100644 index 0000000000..98a5e23991 --- /dev/null +++ b/sysdeps/unix/sysv/linux/ia64/bits/endian.h @@ -0,0 +1,7 @@ +/* Linux/ia64 is little-endian. */ + +#ifndef _ENDIAN_H +# error "Never use <bits/endian.h> directly; include <endian.h> instead." +#endif + +#define __BYTE_ORDER __LITTLE_ENDIAN diff --git a/sysdeps/unix/sysv/linux/ia64/bits/types.h b/sysdeps/unix/sysv/linux/ia64/bits/types.h new file mode 100644 index 0000000000..a94c8a99ae --- /dev/null +++ b/sysdeps/unix/sysv/linux/ia64/bits/types.h @@ -0,0 +1,136 @@ +/* Copyright (C) 1999, 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 <sys/types.h> instead. + */ + +#ifndef _BITS_TYPES_H +#define _BITS_TYPES_H 1 + +#include <features.h> + +#define __need_size_t +#include <stddef.h> + +/* Convenience types. */ +typedef unsigned char __u_char; +typedef unsigned short int __u_short; +typedef unsigned int __u_int; +typedef unsigned long int __u_long; +typedef unsigned long int __u_quad_t; +typedef long int __quad_t; +typedef signed char __int8_t; +typedef unsigned char __uint8_t; +typedef signed short int __int16_t; +typedef unsigned short int __uint16_t; +typedef signed int __int32_t; +typedef unsigned int __uint32_t; +typedef signed long int __int64_t; +typedef unsigned long int __uint64_t; +typedef __quad_t *__qaddr_t; + +typedef __uint64_t __dev_t; /* Type of device numbers. */ +typedef __uint32_t __uid_t; /* Type of user identifications. */ +typedef __uint32_t __gid_t; /* Type of group identifications. */ +typedef __uint32_t __ino_t; /* Type of file serial numbers. */ +typedef __uint64_t __ino64_t; /* "" (LFS) */ +typedef __uint32_t __mode_t; /* Type of file attribute bitmasks. */ +typedef __uint32_t __nlink_t; /* Type of file link counts. */ +typedef __int64_t __off_t; /* Type of file sizes and offsets. */ +typedef __int64_t __off64_t; /* "" (LFS) */ +typedef __int64_t __loff_t; /* Type of file sizes and offsets. */ +typedef __int32_t __pid_t; /* Type of process identifications. */ +typedef __int64_t __ssize_t; /* Type of a byte count, or error. */ +typedef __uint64_t __rlim_t; /* Type of resource counts. */ +typedef __uint64_t __rlim64_t; /* "" (LFS) */ +typedef __int32_t __blkcnt_t; /* Type to count nr disk blocks. */ +typedef __int64_t __blkcnt64_t; /* "" (LFS) */ +typedef __uint32_t __fsblkcnt_t; /* Type to count file system blocks. */ +typedef __uint64_t __fsblkcnt64_t; /* "" (LFS) */ +typedef __uint32_t __fsfilcnt_t; /* Type to count file system inodes. */ +typedef __uint64_t __fsfilcnt64_t; /* "" (LFS) */ +typedef __uint32_t __id_t; /* General type for IDs. */ + +typedef struct + { + int __val[2]; + } __fsid_t; /* Type of file system IDs. */ + +/* Everythin' else. */ +typedef int __daddr_t; /* Type of a disk address. */ +typedef char *__caddr_t; /* Type of a core address. */ +typedef long int __time_t; +typedef unsigned int __useconds_t; +typedef long int __suseconds_t; +typedef long int __swblk_t; /* Type of a swap block maybe? */ +typedef long int __clock_t; +typedef int __key_t; /* Type of a SYSV IPC key. */ + +/* Used in `struct shmid_ds'. */ +typedef int __ipc_pid_t; + +/* type to represent block size. */ +typedef long int __blksize_t; + +/* One element in the file descriptor mask array. */ +typedef unsigned long int __fd_mask; + +/* Due to incaution, we may have gotten these from a kernel header file. */ +#undef __FD_SETSIZE +#undef __NFDBITS +#undef __FDMASK + +/* Number of descriptors that can fit in an `fd_set'. */ +#define __FD_SETSIZE 1024 + +/* It's easier to assume 8-bit bytes than to get CHAR_BIT. */ +#define __NFDBITS (8 * sizeof (__fd_mask)) +#define __FDELT(d) ((d) / __NFDBITS) +#define __FDMASK(d) ((__fd_mask) 1 << ((d) % __NFDBITS)) + +/* fd_set for select and pselect. */ +typedef struct + { + /* XPG4.2 requires this member name. Otherwise avoid the name + from the user namespace. */ +#ifdef __USE_XOPEN + __fd_mask fds_bits[__FD_SETSIZE / __NFDBITS]; +# define __FDS_BITS(set) ((set)->fds_bits) +#else + __fd_mask __fds_bits[__FD_SETSIZE / __NFDBITS]; +# define __FDS_BITS(set) ((set)->__fds_bits) +#endif + } __fd_set; + +/* Used in XTI. */ +typedef int __t_scalar_t; +typedef unsigned int __t_uscalar_t; + +/* Duplicates info from stdint.h but this is used in unistd.h. */ +typedef long int __intptr_t; + +/* Duplicate info from sys/socket.h. */ +typedef unsigned int __socklen_t; + +/* Now add the thread types. */ +#ifdef __USE_UNIX98 +# include <bits/pthreadtypes.h> +#endif + +#endif /* bits/types.h */ diff --git a/sysdeps/unix/sysv/linux/ia64/syscall.S b/sysdeps/unix/sysv/linux/ia64/syscall.S new file mode 100644 index 0000000000..25f81cd61a --- /dev/null +++ b/sysdeps/unix/sysv/linux/ia64/syscall.S @@ -0,0 +1,45 @@ +/* Copyright (C) 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jes Sorensen (Jes.Sorensen@cern.ch) + + 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> + +/* + * This is ugly as hell, but we need to take out the syscall number and + * rotate the input arguments one register before performing the syscall + */ +ENTRY(__syscall) + mov r15=r32 /* syscall number */ + ;; + mov r32=r33 + ;; + mov r33=r34 + ;; + mov r34=r35 + ;; + mov r35=r36 + ;; + mov r36=r37 + break __BREAK_SYSCALL + cmp.ne p6,p0=-1,r10 /* r10 = -1 on error */ + ;; +(p6) ret +(p7) br.cond.spnt.few __syscall_error +PSEUDO_END(__syscall) + +weak_alias (__syscall, syscall) diff --git a/sysdeps/unix/sysv/linux/ia64/sysdep.S b/sysdeps/unix/sysv/linux/ia64/sysdep.S new file mode 100644 index 0000000000..dcf9803044 --- /dev/null +++ b/sysdeps/unix/sysv/linux/ia64/sysdep.S @@ -0,0 +1,84 @@ +/* Copyright (C) 1999, 2000 Hewlett-Packard Co. + Contributed by David Mosberger-Tang <davidm@hpl.hp.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. */ + +#include <sysdep.h> +#include <features.h> + + .psr abi64 + .psr lsb + .lsb + + .global errno + .common errno,4,4 + .type errno, @object + .size errno, 4 + + .global __errno +__errno = errno + + .global _errno +_errno = errno + + .text + + .align 8 + + .global __syscall_error + .proc __syscall_error +__syscall_error: +#ifdef _LIBC_REENTRANT + alloc r35=ar.pfs, 0, 4, 0, 0 + mov r32=b0 + mov r33=r8 + mov r34=r1 + ;; + br.call.sptk.many b0 = __errno_location# +.Lret0: /* force new bundle */ + st4 [r8]=r33 + mov r1=r34 + mov b0=r32 + mov r8=-1 + mov ar.pfs=r35 +#else /* _LIBC_REENTRANT */ + /* + * Note that the gp has to be set properly for this to work. + * As long as all syscalls are in the same load unit + * (executable or shared library) as this routine, we should + * be fine. Otherwise, we would have to first load the global + * pointer register from __gp. + */ + addl r2=@ltoff(errno),gp + ;; + ld8 r2=[r2] + mov r3=r8 + mov r8=-1 + ;; + st4 [r2]=r3 +#endif /* _LIBC_REENTRANT */ + ret // ret is #define'd in syscall.h! + .endp __syscall_error + + + .global __ia64_syscall + .proc __ia64_syscall +__ia64_syscall: + break __BREAK_SYSCALL + cmp.eq p6,p0=-1,r10 +(p6) br.cond.spnt.few __syscall_error + ret + .endp __ia64_syscall diff --git a/sysdeps/unix/sysv/linux/ia64/sysdep.h b/sysdeps/unix/sysv/linux/ia64/sysdep.h new file mode 100644 index 0000000000..6901d5e38e --- /dev/null +++ b/sysdeps/unix/sysv/linux/ia64/sysdep.h @@ -0,0 +1,99 @@ +/* Copyright (C) 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Written by Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999. + Based on code originally written by David Mosberger-Tang + + 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 <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. */ +#undef SYS_ify +#ifdef __STDC__ +# define SYS_ify(syscall_name) __NR_##syscall_name +#else +# define SYS_ify(syscall_name) __NR_/**/syscall_name +#endif + +#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 %d0 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 handler to be visible in the symbol + table when we define it here. */ +#define SYSCALL_ERROR_LABEL __syscall_error + +#ifdef PROF +#error "define CALL_MCOUNT" +#else +#define CALL_MCOUNT +#endif + + +#undef PSEUDO +#define PSEUDO(name, syscall_name, args) \ + ENTRY(name) \ + DO_CALL (SYS_ify(syscall_name)); \ + cmp.eq p6,p0=-1,r10;; \ +(p6) br.cond.spnt.few __syscall_error; + +#define ENTRY(name) \ + .psr abi64; \ + .psr lsb; \ + .lsb; \ + .proc C_SYMBOL_NAME(name); \ + .text; \ + .align 32; \ + .proc C_SYMBOL_NAME(name); \ + .global C_SYMBOL_NAME(name); \ + C_LABEL(name) \ + CALL_MCOUNT + +#define DO_CALL(num) \ + mov r15=num; \ + break __BREAK_SYSCALL; + +#undef PSEUDO_END +#define PSEUDO_END(name) .endp C_SYMBOL_NAME(name); + +#undef END +#define END(name) \ + .size C_SYMBOL_NAME(name), . - C_SYMBOL_NAME(name) ; \ + .endp C_SYMBOL_NAME(name) + +#define ret br.ret.sptk.few b0 + +#else /* not __ASSEMBLER__ */ + +/* Define a macro which expands into the inline wrapper code for a system + call. */ +#if 0 +#undef INLINE_SYSCALL +#define INLINE_SYSCALL(name, nr, args...) __##name (args) +#endif + +#endif /* not __ASSEMBLER__ */ |