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Move sparc away from the deprecated inifini.c scheme.
/
* sysdeps/sparc/Makefile: Add -fPIC when building crt{i,n}.S
* sysdeps/sparc/crti.S: New file.
* sysdeps/sparc/crtn.S: New file.
* sysdeps/sparc/sparc32/Makefile: Remove initfini handling.
* sysdeps/sparc/sparc64/Makefile: Likewise.
nptl/
* sysdeps/sparc/Makefile: Add -fPIC when building pt-crti.S and crtn.S
This commit is contained in:
David S. Miller
parent
df6a4a4aec
commit
f63f338062
@ -1,3 +1,11 @@
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2012-02-16 David S. Miller <davem@davemloft.net>
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* sysdeps/sparc/Makefile: Add -fPIC when building crt{i,n}.S
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* sysdeps/sparc/crti.S: New file.
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* sysdeps/sparc/crtn.S: New file.
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* sysdeps/sparc/sparc32/Makefile: Remove initfini handling.
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* sysdeps/sparc/sparc64/Makefile: Likewise.
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2012-02-15 Mike Frysinger <vapier@gentoo.org>
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* sysdeps/unix/sysv/linux/getcwd.c: Include sys/param.h.
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@ -1,3 +1,7 @@
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2012-02-16 David S. Miller <davem@davemloft.net>
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* sysdeps/sparc/Makefile: Add -fPIC when building pt-crti.S and crtn.S
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2012-02-15 Marek Polacek <polacek@redhat.com>
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* sysdeps/unix/sysv/linux/x86_64/Makefile: Remove file.
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@ -1,3 +1,8 @@
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ifeq ($(subdir),csu)
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gen-as-const-headers += tcb-offsets.sym
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endif
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ifeq ($(subdir),nptl)
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CPPFLAGS-pt-crti.S += -fPIC
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CPPFLAGS-crtn.S += -fPIC
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endif
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@ -14,4 +14,6 @@ endif
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ifeq ($(subdir),csu)
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# get offset to rtld_global._dl_hwcap
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gen-as-const-headers += rtld-global-offsets.sym
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CPPFLAGS-crti.S += -fPIC
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CPPFLAGS-crtn.S += -fPIC
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endif
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104
sysdeps/sparc/crti.S
Normal file
104
sysdeps/sparc/crti.S
Normal file
@ -0,0 +1,104 @@
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/* Special .init and .fini section support for sparc.
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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
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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, see
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<http://www.gnu.org/licenses/>. */
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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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#include <sysdep.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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#ifdef __arch64__
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#define STACKFRAME_SIZE 176
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#define GOT_LOAD ldx
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#else
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#define STACKFRAME_SIZE 96
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#define GOT_LOAD ld
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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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save %sp, -STACKFRAME_SIZE, %sp
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#if PREINIT_FUNCTION_WEAK
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sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %l7
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call __sparc_get_pc_thunk.l7
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add %l7, %lo(_GLOBAL_OFFSET_TABLE_+4), %l7
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sethi %hi(PREINIT_FUNCTION), %g1
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or %g1, %lo(PREINIT_FUNCTION), %g1
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GOT_LOAD [%l7 + %g1], %g1
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cmp %g1, 0
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be 1f
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nop
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call PREINIT_FUNCTION
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nop
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1:
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#else
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call PREINIT_FUNCTION
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nop
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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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save %sp, -STACKFRAME_SIZE, %sp
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.section .text.__sparc_get_pc_thunk.l7,"axG",@progbits,__sparc_get_pc_thunk.l7,comdat
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.p2align 2
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.weak __sparc_get_pc_thunk.l7
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.hidden __sparc_get_pc_thunk.l7
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.type __sparc_get_pc_thunk.l7, #function
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__sparc_get_pc_thunk.l7:
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jmp %o7 + 8
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add %o7, %l7, %l7
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45
sysdeps/sparc/crtn.S
Normal file
45
sysdeps/sparc/crtn.S
Normal file
@ -0,0 +1,45 @@
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/* Special .init and .fini section support for sparc.
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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
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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, see
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<http://www.gnu.org/licenses/>. */
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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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jmp %i7 + 8
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restore
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.section .fini,"ax",@progbits
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jmp %i7 + 8
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restore
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@ -19,10 +19,6 @@ ifeq ($(subdir),gnulib)
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sysdep_routines = dotmul umul $(divrem) alloca
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endif # gnulib
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ifeq ($(subdir),csu)
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CFLAGS-initfini.s += -mcpu=v7
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endif
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# We distribute these files, even though they are generated,
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# so as to avoid the need for a functioning m4 to build the library.
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divrem := sdiv udiv rem urem
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@ -3,10 +3,6 @@ sysdep_routines += hp-timing
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elide-routines.os += hp-timing
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endif
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ifeq ($(subdir),csu)
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CFLAGS-initfini.s += -mcpu=v9
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endif
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ifeq ($(subdir),string)
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sysdep_routines += align-cpy
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endif
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