diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux')
-rw-r--r-- | sysdeps/unix/sysv/linux/Makefile | 3 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/arm/syscalls.list | 6 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/s_pread64.S | 9 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/s_pwrite64.S | 9 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/sigaction.c | 21 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/pread.c | 28 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/pwrite.c | 28 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/sigaction.c | 3 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/sigpending.c | 3 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/sigprocmask.c | 3 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/sigreturn.c | 3 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/sigsuspend.c | 5 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/sigtimedwait.c | 3 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/sigwaitinfo.c | 3 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/syscalls.list | 14 |
15 files changed, 106 insertions, 35 deletions
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index ffea9ef4bb..6903e0b6cd 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -111,7 +111,8 @@ endif ifeq ($(subdir),signal) sysdep_routines += rt_sigsuspend rt_sigprocmask rt_sigtimedwait \ - rt_sigqueueinfo rt_sigaction + rt_sigqueueinfo rt_sigaction rt_sigpending \ + rt_sigreturn endif common-generated += bits/stdio_lim.h bits/stdio_lim.d diff --git a/sysdeps/unix/sysv/linux/arm/syscalls.list b/sysdeps/unix/sysv/linux/arm/syscalls.list new file mode 100644 index 0000000000..392a257194 --- /dev/null +++ b/sysdeps/unix/sysv/linux/arm/syscalls.list @@ -0,0 +1,6 @@ +# File name Caller Syscall name # args Strong name Weak names + +s_getgroups getgroups getgroups 2 __syscall_getgroups +s_llseek llseek _llseek 5 __sys_llseek +s_setgroups setgroups setgroups 2 __syscall_setgroups +vm86 - vm86 1 __vm86 vm86 diff --git a/sysdeps/unix/sysv/linux/i386/s_pread64.S b/sysdeps/unix/sysv/linux/i386/s_pread64.S index 22ce79b3f0..9e14aa815f 100644 --- a/sysdeps/unix/sysv/linux/i386/s_pread64.S +++ b/sysdeps/unix/sysv/linux/i386/s_pread64.S @@ -18,6 +18,7 @@ Boston, MA 02111-1307, USA. */ #include <sysdep.h> +#include <asm/errno.h> /* Please consult the file sysdeps/unix/sysv/linux/i386/sysdep.h for more information about the value -4095 used below.*/ @@ -25,6 +26,13 @@ .text ENTRY (__syscall_pread64) +#ifndef __NR_pread + movl $-ENOSYS,%eax +# ifndef PIC + jmp syscall_error +# endif +#else + PUSHARGS_5 /* Save register contents. */ /* Load arguments. This is unfortunately a little bit of a problem @@ -41,5 +49,6 @@ ENTRY (__syscall_pread64) cmpl $-4095, %eax /* Check %eax for error. */ jae syscall_error /* Jump to error handler if error. */ ret /* Return to caller. */ +#endif PSEUDO_END (__syscall_pread64) diff --git a/sysdeps/unix/sysv/linux/i386/s_pwrite64.S b/sysdeps/unix/sysv/linux/i386/s_pwrite64.S index 6a1987b72e..a21fe2f99f 100644 --- a/sysdeps/unix/sysv/linux/i386/s_pwrite64.S +++ b/sysdeps/unix/sysv/linux/i386/s_pwrite64.S @@ -18,6 +18,7 @@ Boston, MA 02111-1307, USA. */ #include <sysdep.h> +#include <asm/errno.h> /* Please consult the file sysdeps/unix/sysv/linux/i386/sysdep.h for more information about the value -4095 used below.*/ @@ -25,6 +26,13 @@ .text ENTRY (__syscall_pwrite64) +#ifndef __NR_pwrite + movl $-ENOSYS,%eax +# ifndef PIC + jmp syscall_error +# endif +#else + PUSHARGS_5 /* Save register contents. */ /* Load arguments. This is unfortunately a little bit of a problem @@ -41,5 +49,6 @@ ENTRY (__syscall_pwrite64) cmpl $-4095, %eax /* Check %eax for error. */ jae syscall_error /* Jump to error handler if error. */ ret /* Return to caller. */ +#endif PSEUDO_END (__syscall_pwrite64) diff --git a/sysdeps/unix/sysv/linux/i386/sigaction.c b/sysdeps/unix/sysv/linux/i386/sigaction.c index 90d61a08a1..05d187c432 100644 --- a/sysdeps/unix/sysv/linux/i386/sigaction.c +++ b/sysdeps/unix/sysv/linux/i386/sigaction.c @@ -47,19 +47,24 @@ __sigaction (int sig, const struct sigaction *act, struct sigaction *oact) /* First try the RT signals. */ if (__libc_have_rt_sigs) { - struct sigaction nact; + struct sigaction nact, *nactp; - nact.sa_handler = act->sa_handler; - memcpy (&nact.sa_mask, &act->sa_mask, sizeof (sigset_t)); - nact.sa_flags = act->sa_flags; + if (act) + { + nact.sa_handler = act->sa_handler; + memcpy (&nact.sa_mask, &act->sa_mask, sizeof (sigset_t)); + nact.sa_flags = act->sa_flags; - nact.sa_restorer = ((act->sa_flags & SA_NOMASK) - ? &&restore_nomask : &&restore); + nact.sa_restorer = ((act->sa_flags & SA_NOMASK) + ? &&restore_nomask : &&restore); + nactp = &nact; + } + else + nactp = NULL; /* XXX The size argument hopefully will have to be changed to the real size of the user-level sigset_t. */ - result = __syscall_rt_sigaction (sig, &nact, oact, - _NSIG / (8 * sizeof (long int))); + result = __syscall_rt_sigaction (sig, nactp, oact, _NSIG / 8); if (result >= 0 || errno != ENOSYS) return result; diff --git a/sysdeps/unix/sysv/linux/pread.c b/sysdeps/unix/sysv/linux/pread.c index eeb26eb663..eb0d301fa1 100644 --- a/sysdeps/unix/sysv/linux/pread.c +++ b/sysdeps/unix/sysv/linux/pread.c @@ -17,12 +17,36 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#include <errno.h> #include <unistd.h> +extern ssize_t __syscall_pread64 (int fd, void *buf, size_t count, + off_t offset_hi, off_t offset_lo); + +static ssize_t __emulate_pread (int fd, void *buf, size_t count, + off_t offset) internal_function; + + ssize_t -__pread (int fd, void *buf, size_t nbytes, off_t offset) +__pread (fd, buf, count, offset) + int fd; + void *buf; + size_t count; + off_t offset; { - return __pread64 (fd, buf, nbytes, (off64_t) offset); + ssize_t result; + + /* First try the syscall. */ + result = __syscall_pread64 (fd, buf, count, 0, offset); + if (result == -1 && errno == ENOSYS) + /* No system call available. Use the emulation. */ + result = __emulate_pread (fd, buf, count, offset); + + return result; } weak_alias (__pread, pread) + +#define __pread(fd, buf, count, offset) \ + static internal_function __emulate_pread (fd, buf, count, offset) +#include <sysdeps/posix/pread.c> diff --git a/sysdeps/unix/sysv/linux/pwrite.c b/sysdeps/unix/sysv/linux/pwrite.c index d8695db2a8..9ab3259fc6 100644 --- a/sysdeps/unix/sysv/linux/pwrite.c +++ b/sysdeps/unix/sysv/linux/pwrite.c @@ -17,12 +17,36 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#include <errno.h> #include <unistd.h> +extern ssize_t __syscall_pwrite64 (int fd, const void *buf, size_t count, + off_t offset_hi, off_t offset_lo); + +static ssize_t __emulate_pwrite (int fd, const void *buf, size_t count, + off_t offset) internal_function; + + ssize_t -__pwrite (int fd, const void *buf, size_t nbytes, off_t offset) +__pwrite (fd, buf, count, offset) + int fd; + const void *buf; + size_t count; + off_t offset; { - return __pwrite64 (fd, buf, nbytes, (off64_t) offset); + ssize_t result; + + /* First try the syscall. */ + result = __syscall_pwrite64 (fd, buf, count, 0, offset); + if (result == -1 && errno == ENOSYS) + /* No system call available. Use the emulation. */ + result = __emulate_pwrite (fd, buf, count, offset); + + return result; } weak_alias (__pwrite, pwrite) + +#define __pwrite(fd, buf, count, offset) \ + static internal_function __emulate_pwrite (fd, buf, count, offset) +#include <sysdeps/posix/pwrite.c> diff --git a/sysdeps/unix/sysv/linux/sigaction.c b/sysdeps/unix/sysv/linux/sigaction.c index 161f1b0529..1412c381d0 100644 --- a/sysdeps/unix/sysv/linux/sigaction.c +++ b/sysdeps/unix/sysv/linux/sigaction.c @@ -49,8 +49,7 @@ __sigaction (sig, act, oact) { /* XXX The size argument hopefully will have to be changed to the real size of the user-level sigset_t. */ - int result = __syscall_rt_sigaction (sig, act, oact, - _NSIG / (8 * sizeof (long int))); + int result = __syscall_rt_sigaction (sig, act, oact, _NSIG / 8); if (result >= 0 || errno != ENOSYS) return result; diff --git a/sysdeps/unix/sysv/linux/sigpending.c b/sysdeps/unix/sysv/linux/sigpending.c index 7b26bfbf12..4cecb8dc60 100644 --- a/sysdeps/unix/sysv/linux/sigpending.c +++ b/sysdeps/unix/sysv/linux/sigpending.c @@ -40,8 +40,7 @@ sigpending (set) { /* XXX The size argument hopefully will have to be changed to the real size of the user-level sigset_t. */ - int result = __syscall_rt_sigpending (set, - _NSIG / (8 * sizeof (long int))); + int result = __syscall_rt_sigpending (set, _NSIG / 8); if (result >= 0 || errno != ENOSYS) return result; diff --git a/sysdeps/unix/sysv/linux/sigprocmask.c b/sysdeps/unix/sysv/linux/sigprocmask.c index f436ba8f2c..dc262c88f4 100644 --- a/sysdeps/unix/sysv/linux/sigprocmask.c +++ b/sysdeps/unix/sysv/linux/sigprocmask.c @@ -41,8 +41,7 @@ __sigprocmask (how, set, oset) { /* XXX The size argument hopefully will have to be changed to the real size of the user-level sigset_t. */ - int result = __syscall_rt_sigprocmask (how, set, oset, - _NSIG / (8 * sizeof (long int))); + int result = __syscall_rt_sigprocmask (how, set, oset, _NSIG / 8); if (result >= 0 || errno != ENOSYS) return result; diff --git a/sysdeps/unix/sysv/linux/sigreturn.c b/sysdeps/unix/sysv/linux/sigreturn.c index ecef3d67ad..540dfdf388 100644 --- a/sysdeps/unix/sysv/linux/sigreturn.c +++ b/sysdeps/unix/sysv/linux/sigreturn.c @@ -38,8 +38,7 @@ __sigreturn (scp) { /* XXX The size argument hopefully will have to be changed to the real size of the user-level sigset_t. */ - int result = __syscall_rt_sigreturn (scp, - _NSIG / (8 * sizeof (long int))); + int result = __syscall_rt_sigreturn (scp, _NSIG / 8); if (result >= 0 || errno != ENOSYS) return result; diff --git a/sysdeps/unix/sysv/linux/sigsuspend.c b/sysdeps/unix/sysv/linux/sigsuspend.c index faea1c35e1..2cf34eb9b1 100644 --- a/sysdeps/unix/sysv/linux/sigsuspend.c +++ b/sysdeps/unix/sysv/linux/sigsuspend.c @@ -21,7 +21,7 @@ #include <unistd.h> extern int __syscall_sigsuspend (int, unsigned long int, unsigned long int); -extern int __syscall_rt_sigsuspend (sigset_t *, size_t); +extern int __syscall_rt_sigsuspend (const sigset_t *, size_t); /* The variable is shared between all wrappers around signal handling @@ -40,8 +40,7 @@ __sigsuspend (set) { /* XXX The size argument hopefully will have to be changed to the real size of the user-level sigset_t. */ - int result = __syscall_rt_sigsuspend (set, - _NSIG / (8 * sizeof (long int))); + int result = __syscall_rt_sigsuspend (set, _NSIG / 8); if (result >= 0 || errno != ENOSYS) return result; diff --git a/sysdeps/unix/sysv/linux/sigtimedwait.c b/sysdeps/unix/sysv/linux/sigtimedwait.c index b022ec35f7..90854c64d9 100644 --- a/sysdeps/unix/sysv/linux/sigtimedwait.c +++ b/sysdeps/unix/sysv/linux/sigtimedwait.c @@ -31,7 +31,6 @@ __sigtimedwait (set, info, timeout) { /* XXX The size argument hopefully will have to be changed to the real size of the user-level sigset_t. */ - return __syscall_rt_sigtimedwait (set, info, timeout, - _NSIG / (8 * sizeof (long int))); + return __syscall_rt_sigtimedwait (set, info, timeout, _NSIG / 8); } weak_alias (__sigtimedwait, sigtimedwait) diff --git a/sysdeps/unix/sysv/linux/sigwaitinfo.c b/sysdeps/unix/sysv/linux/sigwaitinfo.c index ac98fb46e0..5f41ba054b 100644 --- a/sysdeps/unix/sysv/linux/sigwaitinfo.c +++ b/sysdeps/unix/sysv/linux/sigwaitinfo.c @@ -30,7 +30,6 @@ __sigwaitinfo (set, info) { /* XXX The size argument hopefully will have to be changed to the real size of the user-level sigset_t. */ - return __syscall_rt_sigtimedwait (set, info, NULL, - _NSIG / (8 * sizeof (long int))); + return __syscall_rt_sigtimedwait (set, info, NULL, _NSIG / 8); } weak_alias (__sigwaitinfo, sigwaitinfo) diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list index 08dceca3f6..ed760af2ab 100644 --- a/sysdeps/unix/sysv/linux/syscalls.list +++ b/sysdeps/unix/sysv/linux/syscalls.list @@ -35,13 +35,13 @@ pipe - pipe 1 __pipe pipe prctl EXTRA prctl 5 prctl query_module EXTRA query_module 5 query_module quotactl EXTRA quotactl 4 quotactl -rt_sigaction sigaction rt_sigaction 4 __syscall_rt_sigaction -rt_sigpending sigpendding rt_sigpending 2 __syscall_rt_sigpending -rt_sigprocmask sigprocmask rt_sigprocmask 4 __syscall_rt_sigprocmask -rt_sigqueueinfo sigqueue rt_sigqueueinfo 3 __syscall_rt_sigqueueinfo -rt_sigreturn sigreturn rt_sigreturn 1 __syscall_rt_sigreturn -rt_sigsuspend sigsuspend rt_sigsuspend 2 __syscall_rt_sigsuspend -rt_sigtimedwait sigtimedwait rt_sigtimedwait 4 __syscall_rt_sigtimedwait +rt_sigaction - rt_sigaction 4 __syscall_rt_sigaction +rt_sigpending - rt_sigpending 2 __syscall_rt_sigpending +rt_sigprocmask - rt_sigprocmask 4 __syscall_rt_sigprocmask +rt_sigqueueinfo - rt_sigqueueinfo 3 __syscall_rt_sigqueueinfo +rt_sigreturn - rt_sigreturn 1 __syscall_rt_sigreturn +rt_sigsuspend - rt_sigsuspend 2 __syscall_rt_sigsuspend +rt_sigtimedwait - rt_sigtimedwait 4 __syscall_rt_sigtimedwait s_getdents EXTRA getdents 3 __getdents s_getpriority getpriority getpriority 2 __syscall_getpriority s_poll poll poll 3 __syscall_poll |