mirror of
https://sourceware.org/git/glibc.git
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Convert MIPS to crti.S/crtn.S.
This commit is contained in:
Joseph Myers
parent
93519140c0
commit
25a368f231
@ -1,3 +1,17 @@
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2012-02-10 Joseph Myers <joseph@codesourcery.com>
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* sysdeps/mips/mips32/crti.S: New file, based on compiler output
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for sysdeps/generic/initfini.c.
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* sysdeps/mips/mips32/crtn.S: Likewise.
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* sysdeps/mips/mips64/n32/crti.S: Likewise.
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* sysdeps/mips/mips64/n32/crtn.S: Likewise.
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* sysdeps/mips/mips64/n64/crti.S: Likewise.
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* sysdeps/mips/mips64/n64/crtn.S: Likewise.
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* sysdeps/mips/Makefile (CFLAGS-initfini.s): Remove variable.
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(CFLAGS-pt-initfini.s): Likewise.
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(CPPFLAGS-crti.S, CPPFLAGS-crtn.S, CPPFLAGS-pt-crti.S): Define
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variables.
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2012-01-26 Joseph Myers <joseph@codesourcery.com>
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* sysdeps/mips/sys/asm.h: Remove __STDC__ conditionals.
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@ -16,11 +16,13 @@ CFLAGS-backtrace.c += -funwind-tables
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endif
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ifeq ($(subdir),csu)
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CFLAGS-initfini.s += -fno-unwind-tables
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CPPFLAGS-crti.S += $(pic-ccflag)
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CPPFLAGS-crtn.S += $(pic-ccflag)
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endif
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ifeq ($(subdir),nptl)
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CFLAGS-pt-initfini.s += -fno-unwind-tables
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CPPFLAGS-pt-crti.S += $(pic-ccflag)
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CPPFLAGS-crtn.S += $(pic-ccflag)
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endif
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ASFLAGS-.os += $(pic-ccflag)
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92
sysdeps/mips/mips32/crti.S
Normal file
92
sysdeps/mips/mips32/crti.S
Normal file
@ -0,0 +1,92 @@
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/* Special .init and .fini section support for MIPS (o32).
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Copyright (C) 1995-2012 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
|
||||
License, the Free Software Foundation gives you unlimited
|
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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
|
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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
|
||||
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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|
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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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/* crti.S puts a function prologue at the beginning of the .init and
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.fini sections and defines global symbols for those addresses, so
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they can be called as functions. The symbols _init and _fini are
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magic and cause the linker to emit DT_INIT and DT_FINI. */
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#include <libc-symbols.h>
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#ifndef PREINIT_FUNCTION
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# define PREINIT_FUNCTION __gmon_start__
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#endif
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#ifndef PREINIT_FUNCTION_WEAK
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# define PREINIT_FUNCTION_WEAK 1
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#endif
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#if PREINIT_FUNCTION_WEAK
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weak_extern (PREINIT_FUNCTION)
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#else
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.hidden PREINIT_FUNCTION
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#endif
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.section .init,"ax",@progbits
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.p2align 2
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.globl _init
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.type _init, @function
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_init:
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.set noreorder
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.cpload $25
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.set reorder
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addiu $sp,$sp,-32
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.cprestore 16
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sw $31,28($sp)
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#if PREINIT_FUNCTION_WEAK
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lw $2,%got(PREINIT_FUNCTION)($28)
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beq $2,$0,.Lno_weak_fn
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lw $25,%call16(PREINIT_FUNCTION)($28)
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.reloc 1f,R_MIPS_JALR,PREINIT_FUNCTION
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1: jalr $25
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.Lno_weak_fn:
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#else
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lw $25,%got(PREINIT_FUNCTION)($28)
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.reloc 1f,R_MIPS_JALR,PREINIT_FUNCTION
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1: jalr $25
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#endif
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.section .fini,"ax",@progbits
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.p2align 2
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.globl _fini
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.type _fini, @function
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_fini:
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.set noreorder
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.cpload $25
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.set reorder
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addiu $sp,$sp,-32
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.cprestore 16
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sw $31,28($sp)
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56
sysdeps/mips/mips32/crtn.S
Normal file
56
sysdeps/mips/mips32/crtn.S
Normal file
@ -0,0 +1,56 @@
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/* Special .init and .fini section support for MIPS (o32).
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Copyright (C) 1995-2012 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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|
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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
|
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License restrictions do apply in other respects; for example, they
|
||||
cover modification of the file, and distribution when not linked
|
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into another program.)
|
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|
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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
|
||||
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
|
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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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/* crtn.S puts function epilogues in the .init and .fini sections
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corresponding to the prologues in crti.S. */
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.section .init,"ax",@progbits
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lw $31,28($sp)
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.set noreorder
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.set nomacro
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j $31
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addiu $sp,$sp,32
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.set macro
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.set reorder
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.section .fini,"ax",@progbits
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lw $31,28($sp)
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.set noreorder
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.set nomacro
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j $31
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addiu $sp,$sp,32
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.set macro
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.set reorder
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92
sysdeps/mips/mips64/n32/crti.S
Normal file
92
sysdeps/mips/mips64/n32/crti.S
Normal file
@ -0,0 +1,92 @@
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/* Special .init and .fini section support for MIPS (n32).
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Copyright (C) 1995-2012 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
|
||||
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.)
|
||||
|
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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
|
||||
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.
|
||||
|
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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
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
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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
|
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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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/* crti.S puts a function prologue at the beginning of the .init and
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.fini sections and defines global symbols for those addresses, so
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they can be called as functions. The symbols _init and _fini are
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magic and cause the linker to emit DT_INIT and DT_FINI. */
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#include <libc-symbols.h>
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#ifndef PREINIT_FUNCTION
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# define PREINIT_FUNCTION __gmon_start__
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#endif
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#ifndef PREINIT_FUNCTION_WEAK
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# define PREINIT_FUNCTION_WEAK 1
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#endif
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#if PREINIT_FUNCTION_WEAK
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weak_extern (PREINIT_FUNCTION)
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#else
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.hidden PREINIT_FUNCTION
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#endif
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.section .init,"ax",@progbits
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.p2align 2
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.globl _init
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.type _init, @function
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_init:
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addiu $sp,$sp,-16
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sd $28,0($sp)
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lui $28,%hi(%neg(%gp_rel(_init)))
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addu $28,$28,$25
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sd $31,8($sp)
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addiu $28,$28,%lo(%neg(%gp_rel(_init)))
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#if PREINIT_FUNCTION_WEAK
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lw $2,%got_disp(PREINIT_FUNCTION)($28)
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beq $2,$0,.Lno_weak_fn
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lw $25,%call16(PREINIT_FUNCTION)($28)
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.reloc 1f,R_MIPS_JALR,PREINIT_FUNCTION
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1: jalr $25
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.Lno_weak_fn:
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#else
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lw $25,%got_disp(PREINIT_FUNCTION)($28)
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.reloc 1f,R_MIPS_JALR,PREINIT_FUNCTION
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1: jalr $25
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#endif
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.section .fini,"ax",@progbits
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.p2align 2
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.globl _fini
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.type _fini, @function
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_fini:
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addiu $sp,$sp,-16
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sd $28,0($sp)
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lui $28,%hi(%neg(%gp_rel(_fini)))
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addu $28,$28,$25
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sd $31,8($sp)
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addiu $28,$28,%lo(%neg(%gp_rel(_fini)))
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58
sysdeps/mips/mips64/n32/crtn.S
Normal file
58
sysdeps/mips/mips64/n32/crtn.S
Normal file
@ -0,0 +1,58 @@
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/* Special .init and .fini section support for MIPS (n32).
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Copyright (C) 1995-2012 Free Software Foundation, Inc.
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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. */
|
||||
|
||||
/* crtn.S puts function epilogues in the .init and .fini sections
|
||||
corresponding to the prologues in crti.S. */
|
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|
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.section .init,"ax",@progbits
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ld $31,8($sp)
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ld $28,0($sp)
|
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.set noreorder
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.set nomacro
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j $31
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addiu $sp,$sp,16
|
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.set macro
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.set reorder
|
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|
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.section .fini,"ax",@progbits
|
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ld $31,8($sp)
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ld $28,0($sp)
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.set noreorder
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.set nomacro
|
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j $31
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addiu $sp,$sp,16
|
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.set macro
|
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.set reorder
|
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92
sysdeps/mips/mips64/n64/crti.S
Normal file
92
sysdeps/mips/mips64/n64/crti.S
Normal file
@ -0,0 +1,92 @@
|
||||
/* Special .init and .fini section support for MIPS (n64).
|
||||
Copyright (C) 1995-2012 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. */
|
||||
|
||||
/* 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>
|
||||
|
||||
#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
|
||||
|
||||
.section .init,"ax",@progbits
|
||||
.p2align 2
|
||||
.globl _init
|
||||
.type _init, @function
|
||||
_init:
|
||||
daddiu $sp,$sp,-16
|
||||
sd $28,0($sp)
|
||||
lui $28,%hi(%neg(%gp_rel(_init)))
|
||||
daddu $28,$28,$25
|
||||
sd $31,8($sp)
|
||||
daddiu $28,$28,%lo(%neg(%gp_rel(_init)))
|
||||
#if PREINIT_FUNCTION_WEAK
|
||||
ld $2,%got_disp(PREINIT_FUNCTION)($28)
|
||||
beq $2,$0,.Lno_weak_fn
|
||||
ld $25,%call16(PREINIT_FUNCTION)($28)
|
||||
.reloc 1f,R_MIPS_JALR,PREINIT_FUNCTION
|
||||
1: jalr $25
|
||||
.Lno_weak_fn:
|
||||
#else
|
||||
ld $25,%got_disp(PREINIT_FUNCTION)($28)
|
||||
.reloc 1f,R_MIPS_JALR,PREINIT_FUNCTION
|
||||
1: jalr $25
|
||||
#endif
|
||||
|
||||
.section .fini,"ax",@progbits
|
||||
.p2align 2
|
||||
.globl _fini
|
||||
.type _fini, @function
|
||||
_fini:
|
||||
daddiu $sp,$sp,-16
|
||||
sd $28,0($sp)
|
||||
lui $28,%hi(%neg(%gp_rel(_fini)))
|
||||
daddu $28,$28,$25
|
||||
sd $31,8($sp)
|
||||
daddiu $28,$28,%lo(%neg(%gp_rel(_fini)))
|
||||
58
sysdeps/mips/mips64/n64/crtn.S
Normal file
58
sysdeps/mips/mips64/n64/crtn.S
Normal file
@ -0,0 +1,58 @@
|
||||
/* Special .init and .fini section support for MIPS (n64).
|
||||
Copyright (C) 1995-2012 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. */
|
||||
|
||||
/* crtn.S puts function epilogues in the .init and .fini sections
|
||||
corresponding to the prologues in crti.S. */
|
||||
|
||||
.section .init,"ax",@progbits
|
||||
ld $31,8($sp)
|
||||
ld $28,0($sp)
|
||||
.set noreorder
|
||||
.set nomacro
|
||||
j $31
|
||||
daddiu $sp,$sp,16
|
||||
.set macro
|
||||
.set reorder
|
||||
|
||||
.section .fini,"ax",@progbits
|
||||
ld $31,8($sp)
|
||||
ld $28,0($sp)
|
||||
.set noreorder
|
||||
.set nomacro
|
||||
j $31
|
||||
daddiu $sp,$sp,16
|
||||
.set macro
|
||||
.set reorder
|
||||
Loading…
Reference in New Issue
Block a user