diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/s390')
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/mmap_internal.h | 32 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-32/mmap.S | 74 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S | 81 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-64/mmap.S | 78 |
4 files changed, 32 insertions, 233 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/mmap_internal.h b/sysdeps/unix/sysv/linux/s390/mmap_internal.h new file mode 100644 index 0000000000..2b11ce4e68 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/mmap_internal.h @@ -0,0 +1,32 @@ +/* mmap - map files or devices into memory. Linux/s390 version. + Copyright (C) 2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef MMAP_S390_INTERNAL_H +# define MMAP_S390_INTERNAL_H + +#define MMAP_CALL(__nr, __addr, __len, __prot, __flags, __fd, __offset) \ + ({ \ + long int __args[6] = { (long int) (__addr), (long int) (__len), \ + (long int) (__prot), (long int) (__flags), \ + (long int) (__fd), (long int) (__offset) }; \ + INLINE_SYSCALL_CALL (__nr, __args); \ + }) + +#include_next <mmap_internal.h> + +#endif diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S b/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S deleted file mode 100644 index 99b56ed392..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S +++ /dev/null @@ -1,74 +0,0 @@ -/* Copyright (C) 2000-2017 Free Software Foundation, Inc. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> - -#define EINVAL 22 - - .text -ENTRY(__mmap) - /* Save registers and setup stack frame. */ - stm %r6,%r15,24(%r15) - cfi_offset (%r15, -36) - cfi_offset (%r14, -40) - cfi_offset (%r13, -44) - cfi_offset (%r12, -48) - cfi_offset (%r11, -52) - cfi_offset (%r10, -56) - cfi_offset (%r9, -60) - cfi_offset (%r8, -64) - cfi_offset (%r7, -68) - cfi_offset (%r6, -72) - lr %r1,%r15 - ahi %r15,-120 /* buy stack space */ - cfi_adjust_cfa_offset (120) - st %r1,0(%r15) /* store back chain */ - - /* Store parameters on stack, because mmap2 - * takes 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'. */ - l %r1,216(%r15) /* Load offset. */ - - tml %r1,0x0fff /* Offset page aligned ? */ - lhi %r2,-EINVAL - jnz 1f /* No -> EINVAL. */ - srl %r1,12 /* mmap2 takes the offset in pages. */ - 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. */ - -1: l %r15,0(%r15) /* Load back chain. */ - cfi_adjust_cfa_offset (-120) - lm %r6,%r15,24(%r15) /* Load registers. */ - - /* check gpr 2 for error */ - lhi %r0,-4096 - clr %r2,%r0 - jnl SYSCALL_ERROR_LABEL - - /* Successful; return the syscall's value. */ - br %r14 - -PSEUDO_END (__mmap) - -weak_alias (__mmap, mmap) diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S b/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S deleted file mode 100644 index f1825782a4..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S +++ /dev/null @@ -1,81 +0,0 @@ -/* Copyright (C) 2000-2017 Free Software Foundation, Inc. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> - -#define EINVAL 22 -#define ENOSYS 38 - - .text -ENTRY(__mmap64) - /* Save registers and setup stack frame. */ - stm %r6,%r15,24(%r15) - cfi_offset (%r15, -36) - cfi_offset (%r14, -40) - cfi_offset (%r13, -44) - cfi_offset (%r12, -48) - cfi_offset (%r11, -52) - cfi_offset (%r10, -56) - cfi_offset (%r9, -60) - cfi_offset (%r8, -64) - cfi_offset (%r7, -68) - cfi_offset (%r6, -72) - lr %r1,%r15 - ahi %r15,-120 /* Buy stack space. */ - cfi_adjust_cfa_offset (120) - st %r1,0(%r15) /* Store back chain. */ - - /* Store parameters on stack, because mmap2 - * takes 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'. */ - - 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. */ - - l %r15,0(%r15) /* Load back chain. */ - cfi_adjust_cfa_offset (-120) - lm %r6,%r15,24(%r15) /* Load registers. */ - - /* Check gpr 2 for error. */ - lhi %r0,-4096 - clr %r2,%r0 - jnl SYSCALL_ERROR_LABEL - - /* Successful; return the syscall's value. */ - br %r14 - -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) diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/mmap.S b/sysdeps/unix/sysv/linux/s390/s390-64/mmap.S deleted file mode 100644 index 06d31bbb92..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-64/mmap.S +++ /dev/null @@ -1,78 +0,0 @@ -/* Wrapper around mmap system call. 64 bit S/390 version. - Copyright (C) 2001-2017 Free Software Foundation, Inc. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> - -#define EINVAL 22 - - .text - -ENTRY(__mmap) - /* Save registers and setup stack frame. */ - stmg %r6,%r15,48(%r15) - 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) - cfi_offset (%r7,-104) - cfi_offset (%r6,-112) - lgr %r1,%r15 - lg %r0,8(%r15) /* Load eos. */ - aghi %r15,-208 /* Buy stack space. */ - cfi_adjust_cfa_offset (208) - stg %r1,0(%r15) /* Store back chain. */ - stg %r0,8(%r15) /* Store eos. */ - - /* Store parameters on stack, because old_mmap - takes only one parameter: a pointer to the parameter area. */ - mvc 200(8,%r15),368(%r15) /* Move 'offset'. */ - lgfr %r6,%r6 - stg %r6,192(%r15) /* Store 'fd'. */ - lgfr %r5,%r5 - stg %r5,184(%r15) /* Store 'flags'. */ - lgfr %r4,%r4 - stg %r4,176(%r15) /* Store 'prot'. */ - stg %r3,168(%r15) /* Store 'length'. */ - stg %r2,160(%r15) /* Store 'start'. */ - - la %r2,160(%r15) /* Load address of parameter list. */ - /* Do the system call trap. */ - svc SYS_ify(mmap) - - lg %r15,0(%r15) /* Load back chain. */ - cfi_adjust_cfa_offset (-208) - lmg %r6,%r15,48(%r15) /* Load registers. */ - - /* Check gpr 2 for error. */ - lghi %r0,-4096 - clgr %r2,%r0 - jgnl SYSCALL_ERROR_LABEL - - /* Successful; return the syscall's value. */ - br %r14 - -PSEUDO_END (__mmap) - -weak_alias (__mmap, mmap) -weak_alias (__mmap, mmap64) -weak_alias (__mmap, __mmap64) |