From c14e4c326d6b916112d03994105ddd3389515954 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Thu, 26 Oct 1995 03:59:27 +0000 Subject: * hurd/hurdstartup.c (_hurd_startup): Use new exec_startup_get_info RPC from exec_startup.defs in place of old exec_startup from exec.defs. Remove kludge to guess user entry and phdr locations, since the new RPC gives us that info. * sysdeps/generic/_strerror.c: Undo last change. --- ChangeLog | 7 +++++ sysdeps/generic/_strerror.c | 3 -- sysdeps/unix/configure.in | 6 ++-- sysdeps/unix/sysv/linux/i386/brk.S | 2 +- sysdeps/unix/sysv/linux/i386/mmap.S | 3 +- sysdeps/unix/sysv/linux/i386/sbrk.S | 4 +-- sysdeps/unix/sysv/linux/i386/socket.S | 3 +- sysdeps/unix/sysv/linux/i386/syscall.S | 14 ++++----- sysdeps/unix/sysv/linux/i386/sysdep.h | 8 ++--- sysdeps/unix/sysv/linux/i386/xmknod.S | 7 ++--- sysdeps/unix/sysv/linux/i386/xstat.S | 9 ++---- sysdeps/unix/sysv/linux/sigaction.S | 24 --------------- sysdeps/unix/sysv/linux/sigaction.h | 54 ++++++++++++++++++++++++++++++++++ sysdeps/unix/sysv/linux/signal.S | 8 ----- sysdeps/unix/sysv/linux/syscall.h | 28 ++---------------- 15 files changed, 90 insertions(+), 90 deletions(-) delete mode 100644 sysdeps/unix/sysv/linux/sigaction.S create mode 100644 sysdeps/unix/sysv/linux/sigaction.h delete mode 100644 sysdeps/unix/sysv/linux/signal.S diff --git a/ChangeLog b/ChangeLog index ec313297eb..9ca3239516 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,6 +1,13 @@ Wed Oct 25 14:23:35 1995 Roland McGrath + * hurd/hurdstartup.c (_hurd_startup): Use new + exec_startup_get_info RPC from exec_startup.defs + in place of old exec_startup from exec.defs. Remove kludge to + guess user entry and phdr locations, since the new RPC gives us + that info. + * stdio/stdio.h (sys_errlist, _sys_errlist): Declare const. + * sysdeps/generic/_strerror.c: Undo last change. * sysdeps/unix/sysv/linux/stat.c: New file. * sysdeps/unix/sysv/linux/fstat.c: New file. diff --git a/sysdeps/generic/_strerror.c b/sysdeps/generic/_strerror.c index 71fabe7695..72ebb216bf 100644 --- a/sysdeps/generic/_strerror.c +++ b/sysdeps/generic/_strerror.c @@ -31,9 +31,6 @@ _strerror_internal (errnum, buf, buflen) char *buf; size_t buflen; { - extern const char *const _sys_errlist[]; - extern const int _sys_nerr; - if (errnum < 0 || errnum > _sys_nerr) { int len = __snprintf (buf, buflen, _("Unknown error %d"), errnum); diff --git a/sysdeps/unix/configure.in b/sysdeps/unix/configure.in index 37b6dcad86..6841a4f869 100644 --- a/sysdeps/unix/configure.in +++ b/sysdeps/unix/configure.in @@ -70,8 +70,8 @@ for unix_function in \ dup2 lstat mkdir rmdir readlink symlink rename swapon \ access select getgroups setgroups \ getitimer setitimer \ - getdomainname/getdomain=bsd/bsd4.4 \ - setdomainname/setdomain=bsd/bsd4.4 \ + getdomainname:getdomain=bsd/bsd4.4 \ + setdomainname:setdomain=bsd/bsd4.4 \ fchdir=bsd/bsd4.4 \ profil=bsd readv=bsd writev=bsd \ getpriority setpriority \ @@ -85,7 +85,7 @@ do unix_srcdir=common eval "unix_syscall=`echo $unix_function | \ sed -e 's@=\(.*\)$@ unix_srcdir=\1@' \ - -e 's@/\([^=/]*\)$@ unix_srcname=\1@'`" + -e 's@:\(.*\)@ unix_srcname=\1@'`" test -z "$unix_srcname" && unix_srcname=$unix_syscall unix_implementor=none diff --git a/sysdeps/unix/sysv/linux/i386/brk.S b/sysdeps/unix/sysv/linux/i386/brk.S index ef2f55db97..2a9a2bcd24 100644 --- a/sysdeps/unix/sysv/linux/i386/brk.S +++ b/sysdeps/unix/sysv/linux/i386/brk.S @@ -32,8 +32,8 @@ C_LABEL(__curbrk) #endif .text -.globl C_SYMBOL_NAME(syscall_error) + SYSCALL_ERROR_HANDLER ENTRY (__brk) movl %ebx, %edx movl $SYS_ify(brk), %eax diff --git a/sysdeps/unix/sysv/linux/i386/mmap.S b/sysdeps/unix/sysv/linux/i386/mmap.S index 96ea870846..1d1d628ad5 100644 --- a/sysdeps/unix/sysv/linux/i386/mmap.S +++ b/sysdeps/unix/sysv/linux/i386/mmap.S @@ -18,7 +18,8 @@ Cambridge, MA 02139, USA. */ #include -.globl syscall_error + .text + SYSCALL_ERROR_HANDLER ENTRY (__mmap) diff --git a/sysdeps/unix/sysv/linux/i386/sbrk.S b/sysdeps/unix/sysv/linux/i386/sbrk.S index 7a0e940cfe..e38e88f64d 100644 --- a/sysdeps/unix/sysv/linux/i386/sbrk.S +++ b/sysdeps/unix/sysv/linux/i386/sbrk.S @@ -22,7 +22,7 @@ Cambridge, MA 02139, USA. */ .globl C_SYMBOL_NAME(__curbrk) .text -.globl C_SYMBOL_NAME(syscall_error) + SYSCALL_ERROR_HANDLER ENTRY (__sbrk) @@ -53,7 +53,7 @@ ENTRY (__sbrk) movl C_SYMBOL_NAME(__curbrk), %ebx movl %ebx, %eax #endif - + addl 4(%esp), %ebx cmpl %ebx, %eax je .L2 diff --git a/sysdeps/unix/sysv/linux/i386/socket.S b/sysdeps/unix/sysv/linux/i386/socket.S index 3d3a67213b..b2e6b2603f 100644 --- a/sysdeps/unix/sysv/linux/i386/socket.S +++ b/sysdeps/unix/sysv/linux/i386/socket.S @@ -22,7 +22,8 @@ Cambridge, MA 02139, USA. */ #define P(a, b) P2(a, b) #define P2(a, b) a##b -.globl syscall_error + .text + SYSCALL_ERROR_HANDLER /* The socket-oriented system calls are handled unusally in Linux. They are all gated through the single `socketcall' system call number. diff --git a/sysdeps/unix/sysv/linux/i386/syscall.S b/sysdeps/unix/sysv/linux/i386/syscall.S index 6e6aa5d3c8..52eb48a9ae 100644 --- a/sysdeps/unix/sysv/linux/i386/syscall.S +++ b/sysdeps/unix/sysv/linux/i386/syscall.S @@ -18,14 +18,14 @@ Cambridge, MA 02139, USA. */ #include -.globl syscall_error + .text + SYSCALL_ERROR_HANDLER /* Define error handler for PIC. */ ENTRY (syscall) - popl %ecx /* Pop return address into %ecx. */ - popl %eax /* Pop syscall number into %eax. */ - pushl %ecx /* Push back return address. */ - DO_CALL (5) /* Frob the args and do the system call. */ - movl (%esp), %ecx - pushl %ecx + PUSHARGS_5 /* Save register contents. */ + _DOARGS_5(36) /* Load arguments. */ + movl 16(%esp), %eax /* Load syscall number into %eax. */ + int $0x80 /* Do the system call. */ + POPARGS_5 /* Restore register contents. */ testl %eax, %eax /* Check %eax for error. */ jl JUMPTARGET(syscall_error) /* Jump to error handler if negative. */ ret /* Return to caller. */ diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h index 7bd910e534..f6da272c75 100644 --- a/sysdeps/unix/sysv/linux/i386/sysdep.h +++ b/sysdeps/unix/sysv/linux/i386/sysdep.h @@ -44,8 +44,7 @@ Cambridge, MA 02139, USA. */ .text; \ SYSCALL_ERROR_HANDLER \ ENTRY (name) \ - movl $SYS_ify (syscall_name), %eax; \ - DO_CALL (args); \ + DO_CALL (args, syscall_name); \ testl %eax, %eax; \ jl syscall_error; @@ -62,7 +61,7 @@ syscall_error: \ movl errno@GOT(%ecx), %ecx; \ movl %eax, (%ecx); \ movl $-1, %eax; \ - ret + ret; #endif /* We define our own ENTRY macro because the alignment should be 16 for @@ -119,9 +118,10 @@ syscall_error: \ i386 and i486 processors though. */ #undef DO_CALL -#define DO_CALL(args) \ +#define DO_CALL(args, syscall_name) \ PUSHARGS_##args \ DOARGS_##args \ + movl $SYS_ify (syscall_name), %eax; \ int $0x80 \ POPARGS_##args diff --git a/sysdeps/unix/sysv/linux/i386/xmknod.S b/sysdeps/unix/sysv/linux/i386/xmknod.S index fde3165d01..10778bdceb 100644 --- a/sysdeps/unix/sysv/linux/i386/xmknod.S +++ b/sysdeps/unix/sysv/linux/i386/xmknod.S @@ -19,21 +19,20 @@ Cambridge, MA 02139, USA. */ #include #include -.globl syscall_error + .text + SYSCALL_ERROR_HANDLER /* Error handler for PIC. */ ENTRY (__xmknod) popl %ecx /* Pop return address into %eax. */ popl %edx /* Pop version number into %edx. */ pushl %ecx /* Push back the return address. */ - movl $SYS_ify(mknod), %eax - /* Load syscall number for prev_stat in %eax. */ cmpl $1, %edx /* Version 1 xstat call? */ je .L1 /* Yes, do syscall. */ movl $-EINVAL, %eax /* Load error code into %eax. */ jmp .L2 -.L1: DO_CALL (3) /* Do the syscall. */ +.L1: DO_CALL (3, mknod) /* Do the syscall. */ movl (%esp), %ecx testl %eax, %eax /* Check for error. */ diff --git a/sysdeps/unix/sysv/linux/i386/xstat.S b/sysdeps/unix/sysv/linux/i386/xstat.S index 34822beda6..58c5f558c4 100644 --- a/sysdeps/unix/sysv/linux/i386/xstat.S +++ b/sysdeps/unix/sysv/linux/i386/xstat.S @@ -19,23 +19,20 @@ Cambridge, MA 02139, USA. */ #include #include -#define SYS_expand(name) SYS_ify(name) - -.globl syscall_error + .text + SYSCALL_ERROR_HANDLER /* Error handler for PIC. */ ENTRY (__xstat) popl %ecx /* Pop return address into %eax. */ popl %edx /* Pop version number into %edx. */ pushl %ecx /* Push back the return address. */ - movl $SYS_expand(stat), %eax - /* Load syscall number for prev_stat in %eax. */ cmpl $1, %edx /* Version 1 xstat call? */ je .L1 /* Yes, do syscall. */ movl $-EINVAL, %eax /* Load error code into %eax. */ jmp .L2 -.L1: DO_CALL (2) /* Do the syscall. */ +.L1: DO_CALL (2, stat) /* Do the syscall. */ movl (%esp), %ecx testl %eax, %eax /* Check for error. */ diff --git a/sysdeps/unix/sysv/linux/sigaction.S b/sysdeps/unix/sysv/linux/sigaction.S deleted file mode 100644 index 0618d6ea95..0000000000 --- a/sysdeps/unix/sysv/linux/sigaction.S +++ /dev/null @@ -1,24 +0,0 @@ -/* Copyright (C) 1995 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., 675 Mass Ave, -Cambridge, MA 02139, USA. */ - -#include - -SYSCALL__ (sigaction, 3) - ret - -weak_alias (__sigaction, sigaction) diff --git a/sysdeps/unix/sysv/linux/sigaction.h b/sysdeps/unix/sysv/linux/sigaction.h new file mode 100644 index 0000000000..d8930782d7 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sigaction.h @@ -0,0 +1,54 @@ +/* The proper definitions for Linux's sigaction. +Copyright (C) 1993, 1994, 1995 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. */ + +/* Structure describing the action to be taken when a signal arrives. */ +struct sigaction + { + /* Signal handler. */ + __sighandler_t sa_handler; + + /* Additional set of signals to be blocked. */ + __sigset_t sa_mask; + + /* Special flags. */ + unsigned long sa_flags; + + /* Restore handler. */ + void (*sa_restorer) __P ((void)); + }; + +/* Bits in `sa_flags'. */ +#define SA_NOCLDSTOP 1 /* Don't send SIGCHLD when children stop. */ +#ifdef __USE_MISC +#define SA_STACK 0x08000000 /* Use signal stack by using `sa_restorer'. */ +#define SA_RESTART 0x10000000 /* Don't restart syscall on signal return. */ +#define SA_INTERRUPT 0x20000000 /* Historical no-op. */ +#define SA_NODEFER 0x40000000 /* Don't automatically block the signal when + its handler is being executed. */ +#define SA_RESETHAND 0x80000000 /* Reset to SIG_DFL on entry to handler. */ + +/* Some aliases for the SA_ constants. */ +#define SA_NOMASK SA_NODEFER +#define SA_ONESHOT SA_RESETHAND +#endif + +/* Values for the HOW argument to `sigprocmask'. */ +#define SIG_BLOCK 0 /* Block signals. */ +#define SIG_UNBLOCK 1 /* Unblock signals. */ +#define SIG_SETMASK 2 /* Set the set of blocked signals. */ diff --git a/sysdeps/unix/sysv/linux/signal.S b/sysdeps/unix/sysv/linux/signal.S deleted file mode 100644 index 68582a68f7..0000000000 --- a/sysdeps/unix/sysv/linux/signal.S +++ /dev/null @@ -1,8 +0,0 @@ -#include - -/* Used in siginterrupt() */ - - .data - .globl _sigintr -_sigintr: - .long 0 diff --git a/sysdeps/unix/sysv/linux/syscall.h b/sysdeps/unix/sysv/linux/syscall.h index fe6cfcf84c..efe285c1fe 100644 --- a/sysdeps/unix/sysv/linux/syscall.h +++ b/sysdeps/unix/sysv/linux/syscall.h @@ -25,34 +25,10 @@ Cambridge, MA 02139, USA. */ #include /* Among the system calls defined there are - _dup2 - _mkdir - _rmdir - _readlink - _symlink - _rename - _swapon - _access - _select - _getgroups - _setgroups - _getitimer - _setitimer _setdomainname - _getrlimit - _setrlimit - _getrusage - _getpriority - _setpriority - _truncate - _ftruncate - _setpgid - _fchmod _fchdir - _fchown - _setregid - _setreuid - _vhangup + _readv + _writev (This is a hack for the autoconf mechanism. Don't change a single character, esp white spaces, unless you know what you are doing!) */ -- cgit v1.2.3