2012-02-08 Richard Henderson <rth@twiddle.net>
+ * sysdeps/alpha/elf/crti.S, sysdeps/alpha/elf/crtn.S: New files...
+ * sysdeps/alpha/elf/initfini.c: ... split from here. Remove file.
+ * sysdeps/alpha/nptl/elf/pt-initfini.c: Remove file.
+
* sysdeps/unix/alpha/sysdep.h (INTERNAL_SYSCALL_DECL): Mark unused.
* sysdeps/unix/sysv/linux/alpha/bits/stat.h (_STAT_VER_LINUX): New.
/* Special .init and .fini section support for Alpha.
- Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2003, 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
Software Foundation, Inc., 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. The symbols _init and _fini are
+ magic and cause the linker to emit DT_INIT and DT_FINI.
- * 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.
-
- This differs from what would be generated by the generic code in that
+ This differs from what would be generated for ordinary code in that
we save and restore the GP within the function. In order for linker
relaxation to work, the value in the GP register on exit from a function
must be valid for the function entry point. Normally, a function is
files, all of which may have different GP values. So we must reload
the GP value from crti.o in crtn.o. */
-__asm__ (" \n\
-#include \"defs.h\" \n\
- \n\
-/*@HEADER_ENDS*/ \n\
- \n\
-/*@_init_PROLOG_BEGINS*/ \n\
- .section .init, \"ax\", @progbits \n\
- .globl _init \n\
- .type _init, @function \n\
- .usepv _init, std \n\
-_init: \n\
- ldgp $29, 0($27) \n\
- subq $30, 16, $30 \n\
- lda $27, __gmon_start__ \n\
- stq $26, 0($30) \n\
- stq $29, 8($30) \n\
- beq $27, 1f \n\
- jsr $26, ($27), __gmon_start__ \n\
- ldq $29, 8($30) \n\
- .align 3 \n\
-1: \n\
-/*@_init_PROLOG_ENDS*/ \n\
- \n\
-/*@_init_EPILOG_BEGINS*/ \n\
- .section .init, \"ax\", @progbits \n\
- ldq $26, 0($30) \n\
- ldq $29, 8($30) \n\
- addq $30, 16, $30 \n\
- ret \n\
-/*@_init_EPILOG_ENDS*/ \n\
- \n\
-/*@_fini_PROLOG_BEGINS*/ \n\
- .section .fini, \"ax\", @progbits \n\
- .globl _fini \n\
- .type _fini,@function \n\
- .usepv _fini,std \n\
-_fini: \n\
- ldgp $29, 0($27) \n\
- subq $30, 16, $30 \n\
- stq $26, 0($30) \n\
- stq $29, 8($30) \n\
- .align 3 \n\
-/*@_fini_PROLOG_ENDS*/ \n\
- \n\
-/*@_fini_EPILOG_BEGINS*/ \n\
- .section .fini, \"ax\", @progbits \n\
- ldq $26, 0($30) \n\
- ldq $29, 8($30) \n\
- addq $30, 16, $30 \n\
- ret \n\
-/*@_fini_EPILOG_ENDS*/ \n\
- \n\
-/*@TRAILER_BEGINS*/ \n\
-");
+#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
+
+ .section .init, "ax", @progbits
+ .globl _init
+ .type _init, @function
+ .usepv _init, std
+_init:
+ ldgp $29, 0($27)
+ subq $30, 16, $30
+#if PREINIT_FUNCTION_WEAK
+ lda $27, PREINIT_FUNCTION
+#endif
+ stq $26, 0($30)
+ stq $29, 8($30)
+#if PREINIT_FUNCTION_WEAK
+ beq $27, 1f
+ jsr $26, ($27), PREINIT_FUNCTION
+ ldq $29, 8($30)
+1:
+#else
+ bsr $26, PREINIT_FUNCTION !samegp
+#endif
+ .p2align 3
+
+ .section .fini, "ax", @progbits
+ .globl _fini
+ .type _fini,@function
+ .usepv _fini,std
+_fini:
+ ldgp $29, 0($27)
+ subq $30, 16, $30
+ stq $26, 0($30)
+ stq $29, 8($30)
+ .p2align 3
--- /dev/null
+/* Special .init and .fini section support for Alpha.
+ Copyright (C) 2001, 2002, 2003, 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
+ ldq $26, 0($30)
+ ldq $29, 8($30)
+ addq $30, 16, $30
+ ret
+
+ .section .fini, "ax", @progbits
+ ldq $26, 0($30)
+ ldq $29, 8($30)
+ addq $30, 16, $30
+ ret
+++ /dev/null
-/* Special .init and .fini section support for Alpha. NPTL version.
- Copyright (C) 2003 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.
-
- 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. */
-
-/* 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.
-
- This differs from what would be generated by the generic code in that
- we save and restore the GP within the function. In order for linker
- relaxation to work, the value in the GP register on exit from a function
- must be valid for the function entry point. Normally, a function is
- contained within one object file and this is not an issue, provided
- that the function reloads the gp after making any function calls.
- However, _init and _fini are constructed from pieces of many object
- files, all of which may have different GP values. So we must reload
- the GP value from crti.o in crtn.o. */
-
-__asm__ (" \n\
-#include \"defs.h\" \n\
- \n\
-/*@HEADER_ENDS*/ \n\
- \n\
-/*@_init_PROLOG_BEGINS*/ \n\
- .section .init, \"ax\", @progbits \n\
- .globl _init \n\
- .type _init,@function \n\
- .usepv _init,std \n\
-_init: \n\
- ldgp $29, 0($27) \n\
- subq $30, 16, $30 \n\
- stq $26, 0($30) \n\
- stq $29, 8($30) \n\
- bsr $26, __pthread_initialize_minimal_internal !samegp \n\
- .align 3 \n\
-/*@_init_PROLOG_ENDS*/ \n\
- \n\
-/*@_init_EPILOG_BEGINS*/ \n\
- .section .init, \"ax\", @progbits \n\
- ldq $26, 0($30) \n\
- ldq $29, 8($30) \n\
- addq $30, 16, $30 \n\
- ret \n\
-/*@_init_EPILOG_ENDS*/ \n\
- \n\
-/*@_fini_PROLOG_BEGINS*/ \n\
- .section .fini, \"ax\", @progbits \n\
- .globl _fini \n\
- .type _fini,@function \n\
- .usepv _fini,std \n\
-_fini: \n\
- ldgp $29, 0($27) \n\
- subq $30, 16, $30 \n\
- stq $26, 0($30) \n\
- stq $29, 8($30) \n\
- .align 3 \n\
-/*@_fini_PROLOG_ENDS*/ \n\
- \n\
-/*@_fini_EPILOG_BEGINS*/ \n\
- .section .fini, \"ax\", @progbits \n\
- ldq $26, 0($30) \n\
- ldq $29, 8($30) \n\
- addq $30, 16, $30 \n\
- ret \n\
-/*@_fini_EPILOG_ENDS*/ \n\
- \n\
-/*@TRAILER_BEGINS*/ \n\
-");
projects / platform / upstream / glibc.git / commitdiff