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Hi,
the syscall() function currently can not deal with 6 parameters.
To make futex and pselect6 available with syscall() a small patch
is needed.
blue skies,
Martin.
2006-05-05 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/unix/sysv/linux/s390/s390-32/syscall.S: Add support for
six system call parameters.
* sysdeps/unix/sysv/linux/s390/s390-64/syscall.S: Likewise.
diff -urpN libc/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S libc-s390/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S
--- libc/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S 2003-12-06 01:18:52.000000000 +0100
+++ libc-s390/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S 2006-05-05 16:22:45.000000000 +0200
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2001, 2006 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
This file is part of the GNU C Library.
@@ -48,13 +48,14 @@ ENTRY (syscall)
lr %r4,%r5 /* third parameter */
lr %r5,%r6 /* fourth parameter */
l %r6,192(%r15) /* fifth parameter */
+ l %r7,196(%r15) /* sixth parameter */
- basr %r7,0
-0: cl %r1,4f-0b(%r7) /* svc number < 256? */
+ basr %r8,0
+0: cl %r1,4f-0b(%r8) /* svc number < 256? */
jl 2f
1: svc 0
j 3f
-2: ex %r1,1b-0b(%r7) /* lsb of R1 is subsituted as SVC number */
+2: ex %r1,1b-0b(%r8) /* lsb of R1 is subsituted as SVC number */
3: l %r15,0(%r15) /* load back chain */
cfi_adjust_cfa_offset (-96)
lm %r6,15,24(%r15) /* load registers */
diff -urpN libc/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S libc-s390/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
--- libc/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S 2003-12-06 01:18:52.000000000 +0100
+++ libc-s390/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S 2006-05-05 16:22:45.000000000 +0200
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2006 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
This file is part of the GNU C Library.
@@ -48,13 +48,14 @@ ENTRY (syscall)
lgr %r4,%r5 /* Third parameter. */
lgr %r5,%r6 /* Fourth parameter. */
lg %r6,320(%r15) /* Fifth parameter. */
+ lg %r7,328(%r15) /* Sixth parameter. */
- basr %r7,0
-0: clg %r1,4f-0b(%r7) /* svc number < 256? */
+ basr %r8,0
+0: clg %r1,4f-0b(%r8) /* svc number < 256? */
jl 2f
1: svc 0
j 3f
-2: ex %r1,1b-0b(%r7) /* lsb of R1 is subsituted as SVC number */
+2: ex %r1,1b-0b(%r8) /* lsb of R1 is subsituted as SVC number */
3: lg %r15,0(%r15) /* load back chain */
cfi_adjust_cfa_offset (-160)
lmg %r6,15,48(%r15) /* Load registers. */
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