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154 lines
3.8 KiB
C
154 lines
3.8 KiB
C
/* Special .init and .fini section support for SH.
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Copyright (C) 2000, 2002, 2009 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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In addition to the permissions in the GNU Lesser General Public
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License, the Free Software Foundation gives you unlimited
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permission to link the compiled version of this file with other
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programs, and to distribute those programs without any restriction
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coming from the use of this file. (The GNU Lesser General Public
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License restrictions do apply in other respects; for example, they
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cover modification of the file, and distribution when not linked
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into another program.)
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Note that people who make modified versions of this file are not
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obligated to grant this special exception for their modified
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versions; it is their choice whether to do so. The GNU Lesser
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General Public License gives permission to release a modified
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version without this exception; this exception also makes it
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possible to release a modified version which carries forward this
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exception.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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/* This file is compiled into assembly code which is then munged by a sed
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script into two files: crti.s and crtn.s.
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* crti.s puts a function prologue at the beginning of the
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.init and .fini sections and defines global symbols for
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those addresses, so they can be called as functions.
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* crtn.s puts the corresponding function epilogues
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in the .init and .fini sections. */
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__asm__ ("\
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\n\
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#include \"defs.h\"\n\
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\n\
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/*@HEADER_ENDS*/\n\
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\n\
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/*@TESTS_BEGIN*/\n\
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.align 5\n\
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/*@TESTS_END*/\n\
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\n\
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/*@_init_PROLOG_BEGINS*/\n\
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.section .init,\"ax\",@progbits\n\
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.align 5\n\
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.global _init\n\
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.type _init, @function\n\
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_init:\n\
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mov.l r12,@-r15\n\
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mova .L12,r0\n\
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mov.l .L12,r12\n\
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mov.l r14,@-r15\n\
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add r0,r12\n\
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mov.l .L13,r0\n\
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sts.l pr,@-r15\n\
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mov.l @(r0,r12),r1\n\
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tst r1,r1\n\
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bt/s .L8\n\
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mov r15,r14\n\
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mov.l .L14,r1\n\
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bsrf r1\n\
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.LPCS0:\n\
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nop\n\
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.L8:\n\
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bra 1f\n\
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nop\n\
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.align 2\n\
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.L12:\n\
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.long _GLOBAL_OFFSET_TABLE_\n\
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.L13:\n\
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.long __gmon_start__@GOT\n\
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.L14:\n\
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.long __gmon_start__@PLT-(.LPCS0+2-(.))\n\
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1:\n\
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ALIGN\n\
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END_INIT\n\
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\n\
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/*@_init_PROLOG_ENDS*/\n\
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\n\
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/*@_init_EPILOG_BEGINS*/\n\
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.section .init\n\
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mov r14,r15\n\
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lds.l @r15+,pr\n\
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mov.l @r15+,r14\n\
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mov.l @r15+,r12\n\
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rts \n\
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nop\n\
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END_INIT\n\
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\n\
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/*@_init_EPILOG_ENDS*/\n\
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\n\
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/*@_fini_PROLOG_BEGINS*/\n\
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.section .fini,\"ax\",@progbits\n\
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.align 5\n\
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.global _fini\n\
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.type _fini, @function\n\
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_fini:\n\
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mov.l r12,@-r15\n\
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mova .L19,r0\n\
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mov.l r14,@-r15\n\
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sts.l pr,@-r15\n\
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mov.l .L19,r12\n\
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mov r15,r14\n\
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add r0,r12\n\
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bra 0f\n\
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nop\n\
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.align 2\n\
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.L19:\n\
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.long _GLOBAL_OFFSET_TABLE_\n\
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0:\n\
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ALIGN\n\
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END_FINI\n\
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\n\
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/*@_fini_PROLOG_ENDS*/\n\
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mov.l .L20,r1\n\
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bsrf r1\n\
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.LPCS1:\n\
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nop\n\
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bra 1f\n\
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nop\n\
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.align 2\n\
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.L20:\n\
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.long i_am_not_a_leaf@PLT-(.LPCS1+2-(.))\n\
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1:\n\
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/*@_fini_EPILOG_BEGINS*/\n\
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.section .fini\n\
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mov r14,r15\n\
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lds.l @r15+,pr\n\
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mov.l @r15+,r14\n\
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mov.l @r15+,r12\n\
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rts \n\
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nop\n\
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END_FINI\n\
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\n\
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/*@_fini_EPILOG_ENDS*/\n\
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\n\
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/*@TRAILER_BEGINS*/\n\
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.weak __gmon_start__\n\
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");
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