| /* Special .init and .fini section support for x86-64. |
| Copyright (C) 2001, 2002 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| /* This file is compiled into assembly code which is then munged by a sed |
| script into two files: crti.s and crtn.s. |
| |
| * crti.s puts a function prologue at the beginning of the |
| .init and .fini sections and defines global symbols for |
| those addresses, so they can be called as functions. |
| |
| * crtn.s puts the corresponding function epilogues |
| in the .init and .fini sections. */ |
| |
| __asm__ ("\n\ |
| #include \"defs.h\"\n\ |
| \n\ |
| /*@HEADER_ENDS*/\n\ |
| \n\ |
| /*@_init_PROLOG_BEGINS*/\n\ |
| .align 4\n\ |
| .type call_gmon_start,@function\n\ |
| call_gmon_start:\n\ |
| subq $8, %rsp\n\ |
| movq __gmon_start__@GOTPCREL(%rip), %rax\n\ |
| testq %rax, %rax\n\ |
| je .L22\n\ |
| call *%rax\n\ |
| .L22:\n\ |
| addq $8, %rsp\n\ |
| ret\n\ |
| \n\ |
| .section .init\n\ |
| .align 4\n\ |
| .globl _init\n\ |
| .type _init,@function\n\ |
| _init:\n\ |
| subq $8, %rsp\n\ |
| call call_gmon_start\n\ |
| ALIGN\n\ |
| END_INIT\n\ |
| \n\ |
| /*@_init_PROLOG_ENDS*/\n\ |
| \n\ |
| /*@_init_EPILOG_BEGINS*/\n\ |
| .section .init\n\ |
| addq $8, %rsp\n\ |
| ret\n\ |
| END_INIT\n\ |
| \n\ |
| /*@_init_EPILOG_ENDS*/\n\ |
| \n\ |
| /*@_fini_PROLOG_BEGINS*/\n\ |
| .section .fini\n\ |
| .align 4\n\ |
| .globl _fini\n\ |
| .type _fini,@function\n\ |
| _fini:\n\ |
| subq $8, %rsp\n\ |
| ALIGN\n\ |
| END_FINI\n\ |
| \n\ |
| /*@_fini_PROLOG_ENDS*/\n\ |
| call i_am_not_a_leaf@PLT\n\ |
| \n\ |
| /*@_fini_EPILOG_BEGINS*/\n\ |
| .section .fini\n\ |
| addq $8, %rsp\n\ |
| ret\n\ |
| END_FINI\n\ |
| \n\ |
| /*@_fini_EPILOG_ENDS*/\n\ |
| \n\ |
| /*@TRAILER_BEGINS*/\n\ |
| .weak __gmon_start__\n\ |
| "); |