diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/s390/s390-64/syscall.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-64/syscall.S | 26 |
1 files changed, 4 insertions, 22 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S b/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S index bbe4d79848..bcffab6f4e 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S +++ b/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S @@ -22,37 +22,19 @@ more information about the value -4095 used below.*/ ENTRY (syscall) - /* Save registers and setup stack. */ - stmg %r6,%r15,48(%r15) /* Save registers. */ - cfi_offset (%r15,-40) - cfi_offset (%r14,-48) - cfi_offset (%r13,-56) - cfi_offset (%r12,-64) - cfi_offset (%r11,-72) - cfi_offset (%r10,-80) - cfi_offset (%r9,-88) - cfi_offset (%r8,-96) + stmg %r6,%r7,48(%r15) /* Save registers. */ cfi_offset (%r7,-104) cfi_offset (%r6,-112) - lgr %r1,%r15 - lg %r0,8(%r15) /* Load eos. */ - aghi %r15,-160 /* Buy stack space. */ - cfi_adjust_cfa_offset (160) - stg %r1,0(%r15) /* Store back chain. */ - stg %r0,8(%r15) /* Store eos. */ lgr %r1,%r2 /* Move syscall number. */ lgr %r2,%r3 /* First parameter. */ lgr %r3,%r4 /* Second parameter. */ lgr %r4,%r5 /* Third parameter. */ lgr %r5,%r6 /* Fourth parameter. */ - lg %r6,320(%r15) /* Fifth parameter. */ - lg %r7,328(%r15) /* Sixth parameter. */ - + lmg %r6,%r7,160(%r15) /* Fifth / Sixth parameter. */ svc 0 - lg %r15,0(%r15) /* Load back chain. */ - cfi_adjust_cfa_offset (-160) - lmg %r6,%r15,48(%r15) /* Load registers. */ + + lmg %r6,%r7,48(%r15) /* Load registers. */ lghi %r0,-4095 clgr %r2,%r0 /* Check R2 for error. */ |