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- /* Special .init and .fini section support for sparc.
- Copyright (C) 1995-2026 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
- <https://www.gnu.org/licenses/>. */
- /* 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. The symbols _init and _fini are
- magic and cause the linker to emit DT_INIT and DT_FINI. */
- #include <libc-symbols.h>
- #include <sysdep.h>
- #ifndef PREINIT_FUNCTION
- # define PREINIT_FUNCTION __gmon_start__
- #endif
- #ifndef PREINIT_FUNCTION_WEAK
- # define PREINIT_FUNCTION_WEAK 1
- #endif
- #if PREINIT_FUNCTION_WEAK
- weak_extern (PREINIT_FUNCTION)
- #else
- .hidden PREINIT_FUNCTION
- #endif
- #ifdef __arch64__
- #define STACKFRAME_SIZE 176
- #define GOT_LOAD ldx
- #else
- #define STACKFRAME_SIZE 96
- #define GOT_LOAD ld
- #endif
- .section .init,"ax",@progbits
- .p2align 2
- .globl _init
- .hidden _init
- .type _init, @function
- _init:
- save %sp, -STACKFRAME_SIZE, %sp
- #if PREINIT_FUNCTION_WEAK
- SETUP_PIC_REG(l7)
- sethi %gdop_hix22(PREINIT_FUNCTION), %g1
- xor %g1, %gdop_lox10(PREINIT_FUNCTION), %g1
- GOT_LOAD [%l7 + %g1], %g1, %gdop(PREINIT_FUNCTION)
- cmp %g1, 0
- be 1f
- nop
- call PREINIT_FUNCTION
- nop
- 1:
- #else
- call PREINIT_FUNCTION
- nop
- #endif
- .section .fini,"ax",@progbits
- .p2align 2
- .globl _fini
- .hidden _fini
- .type _fini, @function
- _fini:
- save %sp, -STACKFRAME_SIZE, %sp
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