mirror of
https://sourceware.org/git/glibc.git
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ia64: initfini.c -> crt{i,n}.S split
This was done mostly by looking at the processed crt{i,n}.S files in
glibc-2.15, and then added the required update for using in either
csu/ or nptl/.
Seems to work -- when an earlier version didn't call the initializers,
many tests (pthread related) failed.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger
parent
fd916d779b
commit
d928ab870e
@ -1,3 +1,10 @@
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2012-04-27 Mike Frysinger <vapier@gentoo.org>
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* sysdeps/ia64/crti.S: New file.
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* sysdeps/ia64/crtn.S: Likewise.
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* sysdeps/ia64/elf/initfini.c: Delete.
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* sysdeps/unix/sysv/linux/ia64/nptl/pt-initfini.c: Likewise.
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2012-04-27 Mike Frysinger <vapier@gentoo.org>
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* sysdeps/ia64/elf/configure.in: Merge contents to ...
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160
sysdeps/ia64/crti.S
Normal file
160
sysdeps/ia64/crti.S
Normal file
@ -0,0 +1,160 @@
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/* Special .init and .fini section support for IA64.
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Copyright (C) 2000-2012 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
|
||||
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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#undef ret
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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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/* If we have working .init_array support, we want to keep the .init
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section empty (apart from the mandatory prologue/epilogue. This
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ensures that the default unwind conventions (return-pointer in b0,
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frame state in ar.pfs, etc.) will do the Right Thing. To ensure
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an empty .init section, we register gmon_initializer() via the
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.init_array.
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--davidm 02/10/29 */
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#if PREINIT_FUNCTION_WEAK
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/* This blob of assembly code is one simple C function:
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static void
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__attribute__ ((used))
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gmon_initializer (void)
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{
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extern void weak_function __gmon_start__ (void);
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if (__gmon_start__)
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(*__gmon_start__)();
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}
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*/
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.text
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.align 64
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.proc gmon_initializer#
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gmon_initializer:
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.prologue 12, 32
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.mmi
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.save ar.pfs, r33
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alloc r33 = ar.pfs, 0, 3, 0, 0
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addl r14 = @ltoff(@fptr(PREINIT_FUNCTION#)), gp
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.save rp, r32
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mov r32 = b0
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.mmi
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mov r34 = r1
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.body
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;;
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ld8 r14 = [r14]
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nop 0
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;;
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.mib
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cmp.eq p6, p7 = 0, r14
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nop 0
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(p6) br.cond.spnt .L1
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;;
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.mib
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nop 0
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nop 0
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br.call.sptk.many b0 = PREINIT_FUNCTION#
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;;
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.mmi
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mov r1 = r34
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nop 0
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nop 0
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.L1:
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.mii
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nop 0
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mov ar.pfs = r33
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nop 0
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;;
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.mib
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nop 0
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mov b0 = r32
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br.ret.sptk.many b0
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.endp gmon_initializer#
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# undef PREINIT_FUNCTION
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# define PREINIT_FUNCTION gmon_initializer
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#endif
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.section .init_array, "aw"
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data8 @fptr(PREINIT_FUNCTION)
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.section .init,"ax",@progbits
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.global _init#
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.proc _init#
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_init:
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.prologue
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.save ar.pfs, r34
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alloc r34 = ar.pfs, 0, 3, 0, 0
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.vframe r32
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mov r32 = r12
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.save rp, r33
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mov r33 = b0
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.body
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adds r12 = -16, r12
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;; /* see gmon_initializer() above */
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.endp _init#
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.section .fini,"ax",@progbits
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.global _fini#
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.proc _fini#
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_fini:
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.prologue
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.save ar.pfs, r34
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alloc r34 = ar.pfs, 0, 3, 0, 0
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.vframe r32
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mov r32 = r12
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.save rp, r33
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mov r33 = b0
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.body
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adds r12 = -16, r12
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;;
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.endp _fini#
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69
sysdeps/ia64/crtn.S
Normal file
69
sysdeps/ia64/crtn.S
Normal file
@ -0,0 +1,69 @@
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/* Special .init and .fini section support for ARM.
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Copyright (C) 2000-2012 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
|
||||
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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#include <sysdep.h>
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#undef ret
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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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.proc _init#
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_init:
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.prologue
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.save ar.pfs, r34
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.vframe r32
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.save rp, r33
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.body
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.regstk 0,2,0,0
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mov r12 = r32
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mov ar.pfs = r34
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mov b0 = r33
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br.ret.sptk.many b0
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.endp _init#
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.section .fini,"ax",@progbits
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.proc _fini#
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_fini:
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.prologue
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.save ar.pfs, r34
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.vframe r32
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.save rp, r33
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.body
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mov r12 = r32
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mov ar.pfs = r34
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mov b0 = r33
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br.ret.sptk.many b0
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.endp _fini#
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@ -1,151 +0,0 @@
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/* Special .init and .fini section support for ia64.
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Copyright (C) 2000, 2002, 2003, 2005 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
|
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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
|
||||
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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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
|
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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
|
||||
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
|
||||
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, see
|
||||
<http://www.gnu.org/licenses/>. */
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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__ ("\n\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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"/*@_init_PROLOG_BEGINS*/\n");
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/* If we have working .init_array support, we want to keep the .init
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section empty (apart from the mandatory prologue/epilogue. This
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ensures that the default unwind conventions (return-pointer in b0,
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frame state in ar.pfs, etc.) will do the Right Thing. To ensure
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an empty .init section, we register gmon_initializer() via the
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.init_array.
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--davidm 02/10/29 */
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static void
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__attribute__ ((used))
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gmon_initializer (void)
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{
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extern void weak_function __gmon_start__ (void);
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if (__gmon_start__)
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(*__gmon_start__)();
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}
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__asm__ (".section .init_array, \"aw\"\n"
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"\tdata8 @fptr(gmon_initializer)\n");
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__asm__ (".section .init\n"
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" .global _init#\n"
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" .proc _init#\n"
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"_init:\n"
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" .prologue\n"
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" .save ar.pfs, r34\n"
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" alloc r34 = ar.pfs, 0, 3, 0, 0\n"
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" .vframe r32\n"
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" mov r32 = r12\n"
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" .save rp, r33\n"
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" mov r33 = b0\n"
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" .body\n"
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" adds r12 = -16, r12\n"
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" ;;\n" /* see gmon_initializer() above */
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" .endp _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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" .proc _init#\n"
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"_init:\n"
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" .prologue\n"
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" .save ar.pfs, r34\n"
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" .vframe r32\n"
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" .save rp, r33\n"
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" .body\n"
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" .regstk 0,2,0,0\n"
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" mov r12 = r32\n"
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" mov ar.pfs = r34\n"
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" mov b0 = r33\n"
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" br.ret.sptk.many b0\n"
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" .endp _init#\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\n"
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" .global _fini#\n"
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" .proc _fini#\n"
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"_fini:\n"
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" .prologue\n"
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" .save ar.pfs, r34\n"
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" alloc r34 = ar.pfs, 0, 3, 0, 0\n"
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" .vframe r32\n"
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" mov r32 = r12\n"
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" .save rp, r33\n"
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" mov r33 = b0\n"
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" .body\n"
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" adds r12 = -16, r12\n"
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" ;;\n"
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" .endp _fini#\n"
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"\n"
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"/*@_fini_PROLOG_ENDS*/\n"
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" br.call.sptk.many b0 = i_am_not_a_leaf# ;;\n"
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" ;;\n"
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"\n"
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"/*@_fini_EPILOG_BEGINS*/\n"
|
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" .section .fini\n"
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" .proc _fini#\n"
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"_fini:\n"
|
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" .prologue\n"
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" .save ar.pfs, r34\n"
|
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" .vframe r32\n"
|
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" .save rp, r33\n"
|
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" .body\n"
|
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" mov r12 = r32\n"
|
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" mov ar.pfs = r34\n"
|
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" mov b0 = r33\n"
|
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" br.ret.sptk.many b0\n"
|
||||
" .endp _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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);
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@ -1,50 +0,0 @@
|
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/* Special .init and .fini section support for ia64. NPTL version.
|
||||
Copyright (C) 2000, 2001, 2002, 2003, 2005 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 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.)
|
||||
|
||||
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; see the file COPYING.LIB. If not,
|
||||
write to the Free Software Foundation, 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. */
|
||||
|
||||
#include <stddef.h>
|
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|
||||
|
||||
__asm__ ("\n\
|
||||
#include \"defs.h\"\n\
|
||||
\n\
|
||||
/*@HEADER_ENDS*/\n\
|
||||
\n\
|
||||
/*@_init_PROLOG_BEGINS*/\n\
|
||||
.xdata8 \".init_array\",@fptr(__pthread_initialize_minimal_internal)\n\
|
||||
/*@_init_PROLOG_ENDS*/\n\
|
||||
");
|
||||
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Block a user