| /* Special .init and .fini section support for HPPA |
| Copyright (C) 2000-2016 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. |
| |
| In addition to the permissions in the GNU Lesser General Public |
| License, the Free Software Foundation gives you unlimited |
| permission to link the compiled version of this file with other |
| programs, and to distribute those programs without any restriction |
| coming from the use of this file. (The GNU Lesser General Public |
| License restrictions do apply in other respects; for example, they |
| cover modification of the file, and distribution when not linked |
| into another program.) |
| |
| Note that people who make modified versions of this file are not |
| obligated to grant this special exception for their modified |
| versions; it is their choice whether to do so. The GNU Lesser |
| General Public License gives permission to release a modified |
| version without this exception; this exception also makes it |
| possible to release a modified version which carries forward this |
| exception. |
| |
| 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> |
| |
| /* crtn.S puts function epilogues in the .init and .fini sections |
| corresponding to the prologues in crti.S. */ |
| |
| /* Note that we cannot have a weak undefined __gmon_start__, because |
| that would require this to be PIC, and the linker is currently not |
| able to generate a proper procedure descriptor for _init. Sad but |
| true. Anyway, HPPA is one of those horrible architectures where |
| making the comparison and indirect call is quite expensive (see the |
| comment in sysdeps/generic/initfini.c). */ |
| .text |
| .align 4 |
| .weak __gmon_start__ |
| .type __gmon_start__,@function |
| __gmon_start__: |
| .proc |
| .callinfo |
| .entry |
| bv,n %r0(%r2) |
| .exit |
| .procend |
| |
| /* Here is the tail end of _init. We put __gmon_start before this so |
| that the assembler creates the .PARISC.unwind section for us, ie. |
| with the right attributes. */ |
| .section .init, "ax", @progbits |
| ldw -84(%sp),%rp |
| copy %r4,%r19 |
| bv %r0(%rp) |
| _end_init: |
| ldwm -64(%sp),%r4 |
| |
| /* Our very own unwind info, because the assembler can't handle |
| functions split into two or more pieces. */ |
| .section .PARISC.unwind |
| .extern _init |
| .word _init, _end_init |
| .byte 0x08, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x08 |
| |
| /* Here is the tail end of _fini. */ |
| .section .fini, "ax", @progbits |
| ldw -84(%sp),%rp |
| copy %r4,%r19 |
| bv %r0(%rp) |
| _end_fini: |
| ldwm -64(%sp),%r4 |
| |
| .section .PARISC.unwind |
| .extern _fini |
| .word _fini, _end_fini |
| .byte 0x08, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x08 |