diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/mmap64.S | 96 |
1 files changed, 48 insertions, 48 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/mmap64.S b/sysdeps/unix/sysv/linux/s390/mmap64.S index 96b2af5741..b42ff6f22c 100644 --- a/sysdeps/unix/sysv/linux/s390/mmap64.S +++ b/sysdeps/unix/sysv/linux/s390/mmap64.S @@ -9,93 +9,93 @@ 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 + 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. */ + Boston, MA 02111-1307, USA. */ #include <sysdep.h> -#define EINVAL 22 -#define ENOSYS 38 +#define EINVAL 22 +#define ENOSYS 38 .text ENTRY(__mmap64) /* Save registers and setup stack frame. */ - stm %r6,%r15,24(%r15) - lr %r1,%r15 - ahi %r15,-120 /* Buy stack space. */ - st %r1,0(%r15) /* Store back chain. */ + stm %r6,%r15,24(%r15) + lr %r1,%r15 + ahi %r15,-120 /* Buy stack space. */ + st %r1,0(%r15) /* Store back chain. */ /* Store parameters on stack, because mmap2 and old_mmap * take only one parameter: a pointer to the parameter area. */ - st %r6,0x70(%r15) /* Store 'fd'. */ - st %r5,0x6C(%r15) /* Store 'flags'. */ - st %r4,0x68(%r15) /* Store 'prot'. */ - st %r3,0x64(%r15) /* Store 'length'. */ - st %r2,0x60(%r15) /* Store 'start'. */ + st %r6,0x70(%r15) /* Store 'fd'. */ + st %r5,0x6C(%r15) /* Store 'flags'. */ + st %r4,0x68(%r15) /* Store 'prot'. */ + st %r3,0x64(%r15) /* Store 'length'. */ + st %r2,0x60(%r15) /* Store 'start'. */ #ifdef __NR_mmap2 - lm %r0,%r1,216(%r15) /* Load 64 bit offset. */ - tml %r1,0x0fff /* Offset page aligned ? */ - jnz 2f /* No -> EINVAL. */ - srdl %r0,12 /* mmap2 takes the offset in pages. */ - ltr %r0,%r0 /* Offset > 2^44 ? */ - jnz 2f - st %r1,0x74(%r15) /* Store page offset. */ + lm %r0,%r1,216(%r15) /* Load 64 bit offset. */ + tml %r1,0x0fff /* Offset page aligned ? */ + jnz 2f /* No -> EINVAL. */ + srdl %r0,12 /* mmap2 takes the offset in pages. */ + ltr %r0,%r0 /* Offset > 2^44 ? */ + jnz 2f + st %r1,0x74(%r15) /* Store page offset. */ - la %r2,0x60(%r15) /* Load address of parameter list. */ - svc SYS_ify(mmap2) /* Do the system call trap. */ + la %r2,0x60(%r15) /* Load address of parameter list. */ + svc SYS_ify(mmap2) /* Do the system call trap. */ #ifndef __ASSUME_MMAP2_SYSCALL - chi %r0,-ENOSYS + chi %r0,-ENOSYS je 1f #endif - l %r15,0(%r15) /* Load back chain. */ - lm %r6,%r15,24(%r15) /* Load registers. */ + l %r15,0(%r15) /* Load back chain. */ + lm %r6,%r15,24(%r15) /* Load registers. */ /* Check gpr 2 for error. */ - lhi %r0,-4096 - clr %r2,%r0 - jnl SYSCALL_ERROR_LABEL + lhi %r0,-4096 + clr %r2,%r0 + jnl SYSCALL_ERROR_LABEL /* Successful; return the syscall's value. */ - br %r14 + br %r14 #endif #if !defined __ASSUME_MMAP2_SYSCALL || !defined __NR_mmap2 -1: lm %r0,%r1,216(%r15) /* Load 64 bit offset. */ - st %r1,0x74(%r15) /* Store lower word of offset. */ - ltr %r0,%r0 /* Offset > 2^32 ? */ - jnz 2f - alr %r1,%r3 /* Add length to offset. */ - brc 3,2f /* Carry -> EINVAL. */ +1: lm %r0,%r1,216(%r15) /* Load 64 bit offset. */ + st %r1,0x74(%r15) /* Store lower word of offset. */ + ltr %r0,%r0 /* Offset > 2^32 ? */ + jnz 2f + alr %r1,%r3 /* Add length to offset. */ + brc 3,2f /* Carry -> EINVAL. */ - la %r2,0x60(%r15) /* Load address of parameter list. */ - svc SYS_ify(mmap2) /* Do the system call trap. */ + la %r2,0x60(%r15) /* Load address of parameter list. */ + svc SYS_ify(mmap) /* Do the system call trap. */ - l %r15,0(%r15) /* Load back chain. */ - lm %r6,%r15,24(%r15) /* Load registers. */ + l %r15,0(%r15) /* Load back chain. */ + lm %r6,%r15,24(%r15) /* Load registers. */ /* Check gpr 2 for error. */ - lhi %r0,-4096 - clr %r2,%r0 - jnl SYSCALL_ERROR_LABEL + lhi %r0,-4096 + clr %r2,%r0 + jnl SYSCALL_ERROR_LABEL /* Successful; return the syscall's value. */ - br %r14 + br %r14 #endif -2: lhi %r2,-EINVAL - l %r15,0(%r15) /* Load back chain. */ - lm %r6,%r15,24(%r15) /* Load registers. */ - j SYSCALL_ERROR_LABEL - +2: lhi %r2,-EINVAL + l %r15,0(%r15) /* Load back chain. */ + lm %r6,%r15,24(%r15) /* Load registers. */ + j SYSCALL_ERROR_LABEL + PSEUDO_END (__mmap64) weak_alias (__mmap64, mmap64) |