diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/s390/s390-64/clone.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-64/clone.S | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/clone.S b/sysdeps/unix/sysv/linux/s390/s390-64/clone.S index 0941a38279..8d33bc28ca 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/clone.S +++ b/sysdeps/unix/sysv/linux/s390/s390-64/clone.S @@ -31,9 +31,10 @@ .text ENTRY(__clone) - stg %r6,48(%r15) /* store %r6 to save area */ + stmg %r6,%r7,48(%r15) /* Save registers. */ + cfi_offset (%r7,-104) cfi_offset (%r6,-112) - ltgr %r1,%r2 /* check fn and move to %r1 */ + ltgr %r7,%r2 /* check fn and move to %r7 */ jz error /* no NULL function pointers */ lghi %r0,-16 /* Align the child_stack to a ... */ ngr %r3,%r0 /* double word boundary and ... */ @@ -44,10 +45,11 @@ ENTRY(__clone) lgr %r4,%r6 /* move parent_tid to %r4 */ lg %r5,168(%r15) /* load child_tid from stack */ lg %r6,160(%r15) /* load tls from stack */ - svc SYS_ify(clone) + lghi %r1,SYS_ify (clone) + svc 0 ltgr %r2,%r2 /* check return code */ jz thread_start - lg %r6,48(%r15) /* restore %r6 */ + lmg %r6,%r7,48(%r15) /* Restore registers. */ jgm SYSCALL_ERROR_LABEL br %r14 error: @@ -59,11 +61,11 @@ thread_start: cfi_startproc /* Mark r14 as undefined in order to stop unwinding here! */ cfi_undefined (r14) - /* fn is in gpr 1, arg in gpr 0 */ + /* fn is in gpr 7, arg in gpr 0 */ lgr %r2,%r0 /* set first parameter to void *arg */ aghi %r15,-160 /* make room on the stack for the save area */ xc 0(8,%r15),0(%r15) - basr %r14,%r1 /* jump to fn */ + basr %r14,%r7 /* jump to fn */ DO_CALL (exit, 1) cfi_endproc |