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Community source repository for glibc add-on ports branch, master, updated. glibc-2.15-48-g25a368f
- From: jsm28 at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 10 Feb 2012 12:28:28 -0000
- Subject: Community source repository for glibc add-on ports branch, master, updated. glibc-2.15-48-g25a368f
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http://sources.redhat.com/git/gitweb.cgi?p=glibc-ports.git;a=commitdiff;h=25a368f23182607b0b3ab3f822fa92212e1c4796
commit 25a368f23182607b0b3ab3f822fa92212e1c4796
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri Feb 10 12:28:07 2012 +0000
Convert MIPS to crti.S/crtn.S.
diff --git a/ChangeLog.mips b/ChangeLog.mips
index f92ae72..c3d305e 100644
--- a/ChangeLog.mips
+++ b/ChangeLog.mips
@@ -1,3 +1,17 @@
+2012-02-10 Joseph Myers <joseph@codesourcery.com>
+
+ * sysdeps/mips/mips32/crti.S: New file, based on compiler output
+ for sysdeps/generic/initfini.c.
+ * sysdeps/mips/mips32/crtn.S: Likewise.
+ * sysdeps/mips/mips64/n32/crti.S: Likewise.
+ * sysdeps/mips/mips64/n32/crtn.S: Likewise.
+ * sysdeps/mips/mips64/n64/crti.S: Likewise.
+ * sysdeps/mips/mips64/n64/crtn.S: Likewise.
+ * sysdeps/mips/Makefile (CFLAGS-initfini.s): Remove variable.
+ (CFLAGS-pt-initfini.s): Likewise.
+ (CPPFLAGS-crti.S, CPPFLAGS-crtn.S, CPPFLAGS-pt-crti.S): Define
+ variables.
+
2012-01-26 Joseph Myers <joseph@codesourcery.com>
* sysdeps/mips/sys/asm.h: Remove __STDC__ conditionals.
diff --git a/sysdeps/mips/Makefile b/sysdeps/mips/Makefile
index 7937d25..a152699 100644
--- a/sysdeps/mips/Makefile
+++ b/sysdeps/mips/Makefile
@@ -16,11 +16,13 @@ CFLAGS-backtrace.c += -funwind-tables
endif
ifeq ($(subdir),csu)
-CFLAGS-initfini.s += -fno-unwind-tables
+CPPFLAGS-crti.S += $(pic-ccflag)
+CPPFLAGS-crtn.S += $(pic-ccflag)
endif
ifeq ($(subdir),nptl)
-CFLAGS-pt-initfini.s += -fno-unwind-tables
+CPPFLAGS-pt-crti.S += $(pic-ccflag)
+CPPFLAGS-crtn.S += $(pic-ccflag)
endif
ASFLAGS-.os += $(pic-ccflag)
diff --git a/sysdeps/mips/mips32/crti.S b/sysdeps/mips/mips32/crti.S
new file mode 100644
index 0000000..1c7e95d
--- /dev/null
+++ b/sysdeps/mips/mips32/crti.S
@@ -0,0 +1,92 @@
+/* Special .init and .fini section support for MIPS (o32).
+ 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:
+ .set noreorder
+ .cpload $25
+ .set reorder
+ addiu $sp,$sp,-32
+ .cprestore 16
+ sw $31,28($sp)
+#if PREINIT_FUNCTION_WEAK
+ lw $2,%got(PREINIT_FUNCTION)($28)
+ beq $2,$0,.Lno_weak_fn
+ lw $25,%call16(PREINIT_FUNCTION)($28)
+ .reloc 1f,R_MIPS_JALR,PREINIT_FUNCTION
+1: jalr $25
+.Lno_weak_fn:
+#else
+ lw $25,%got(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:
+ .set noreorder
+ .cpload $25
+ .set reorder
+ addiu $sp,$sp,-32
+ .cprestore 16
+ sw $31,28($sp)
diff --git a/sysdeps/mips/mips32/crtn.S b/sysdeps/mips/mips32/crtn.S
new file mode 100644
index 0000000..9fb564d
--- /dev/null
+++ b/sysdeps/mips/mips32/crtn.S
@@ -0,0 +1,56 @@
+/* Special .init and .fini section support for MIPS (o32).
+ 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
+ lw $31,28($sp)
+ .set noreorder
+ .set nomacro
+ j $31
+ addiu $sp,$sp,32
+ .set macro
+ .set reorder
+
+ .section .fini,"ax",@progbits
+ lw $31,28($sp)
+ .set noreorder
+ .set nomacro
+ j $31
+ addiu $sp,$sp,32
+ .set macro
+ .set reorder
diff --git a/sysdeps/mips/mips64/n32/crti.S b/sysdeps/mips/mips64/n32/crti.S
new file mode 100644
index 0000000..92b00c2
--- /dev/null
+++ b/sysdeps/mips/mips64/n32/crti.S
@@ -0,0 +1,92 @@
+/* Special .init and .fini section support for MIPS (n32).
+ 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:
+ addiu $sp,$sp,-16
+ sd $28,0($sp)
+ lui $28,%hi(%neg(%gp_rel(_init)))
+ addu $28,$28,$25
+ sd $31,8($sp)
+ addiu $28,$28,%lo(%neg(%gp_rel(_init)))
+#if PREINIT_FUNCTION_WEAK
+ lw $2,%got_disp(PREINIT_FUNCTION)($28)
+ beq $2,$0,.Lno_weak_fn
+ lw $25,%call16(PREINIT_FUNCTION)($28)
+ .reloc 1f,R_MIPS_JALR,PREINIT_FUNCTION
+1: jalr $25
+.Lno_weak_fn:
+#else
+ lw $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:
+ addiu $sp,$sp,-16
+ sd $28,0($sp)
+ lui $28,%hi(%neg(%gp_rel(_fini)))
+ addu $28,$28,$25
+ sd $31,8($sp)
+ addiu $28,$28,%lo(%neg(%gp_rel(_fini)))
diff --git a/sysdeps/mips/mips64/n32/crtn.S b/sysdeps/mips/mips64/n32/crtn.S
new file mode 100644
index 0000000..376582a
--- /dev/null
+++ b/sysdeps/mips/mips64/n32/crtn.S
@@ -0,0 +1,58 @@
+/* Special .init and .fini section support for MIPS (n32).
+ 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
+ addiu $sp,$sp,16
+ .set macro
+ .set reorder
+
+ .section .fini,"ax",@progbits
+ ld $31,8($sp)
+ ld $28,0($sp)
+ .set noreorder
+ .set nomacro
+ j $31
+ addiu $sp,$sp,16
+ .set macro
+ .set reorder
diff --git a/sysdeps/mips/mips64/n64/crti.S b/sysdeps/mips/mips64/n64/crti.S
new file mode 100644
index 0000000..42b26dc
--- /dev/null
+++ b/sysdeps/mips/mips64/n64/crti.S
@@ -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)))
diff --git a/sysdeps/mips/mips64/n64/crtn.S b/sysdeps/mips/mips64/n64/crtn.S
new file mode 100644
index 0000000..3f901c8
--- /dev/null
+++ b/sysdeps/mips/mips64/n64/crtn.S
@@ -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
-----------------------------------------------------------------------
Summary of changes:
ChangeLog.mips | 14 ++++++++
sysdeps/mips/Makefile | 6 ++-
sysdeps/{arm => mips/mips32}/crti.S | 54 ++++++++++++++---------------
sysdeps/{m68k => mips/mips32}/crtn.S | 24 +++++++++----
sysdeps/{arm => mips/mips64/n32}/crti.S | 54 ++++++++++++++---------------
sysdeps/{m68k => mips/mips64/n32}/crtn.S | 26 ++++++++++----
sysdeps/{arm => mips/mips64/n64}/crti.S | 54 ++++++++++++++---------------
sysdeps/{m68k => mips/mips64/n64}/crtn.S | 26 ++++++++++----
8 files changed, 148 insertions(+), 110 deletions(-)
copy sysdeps/{arm => mips/mips32}/crti.S (79%)
copy sysdeps/{m68k => mips/mips32}/crtn.S (85%)
copy sysdeps/{arm => mips/mips64/n32}/crti.S (77%)
copy sysdeps/{m68k => mips/mips64/n32}/crtn.S (84%)
copy sysdeps/{arm => mips/mips64/n64}/crti.S (76%)
copy sysdeps/{m68k => mips/mips64/n64}/crtn.S (84%)
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