From f4349837d93b4dfe9ba09791e280ee2d6c99919f Mon Sep 17 00:00:00 2001 From: Florian Weimer Date: Tue, 18 Feb 2020 14:42:41 +0100 Subject: [PATCH] Introduce and ELF_INITFINI for all architectures This supersedes the init_array sysdeps directory. It allows us to check for ELF_INITFINI in both C and assembler code, and skip DT_INIT and DT_FINI processing completely on newer architectures. A new header file is needed because is incompatible with assembler code. is compatible with assembler code, but it cannot be included in all assembler files because on some architectures, it redefines register names, and some assembler files conflict with that. is replicated for legacy architectures which need DT_INIT/DT_FINI support. New architectures follow the generic default and disable it. --- csu/elf-init.c | 7 ++-- csu/gmon-start.c | 8 +++++ elf/dl-fini.c | 5 +-- elf/dl-init.c | 8 ++--- nptl/pt-crti.S | 13 +++++-- sysdeps/aarch64/elf-initfini.h | 20 +++++++++++ .../{init_array/pt-crti.S => alpha/elf-initfini.h} | 11 +++--- sysdeps/arm/elf-initfini.h | 20 +++++++++++ sysdeps/csky/Implies | 1 - sysdeps/{init_array => generic}/crti.S | 12 +++++-- sysdeps/{init_array => generic}/crtn.S | 6 ++++ sysdeps/generic/elf-initfini.h | 24 +++++++++++++ sysdeps/hppa/elf-initfini.h | 20 +++++++++++ sysdeps/ia64/elf-initfini.h | 20 +++++++++++ sysdeps/init_array/elf-init.c | 37 ------------------- sysdeps/init_array/gmon-start.c | 41 ---------------------- sysdeps/m68k/elf-initfini.h | 20 +++++++++++ sysdeps/microblaze/elf-initfini.h | 20 +++++++++++ sysdeps/mips/elf-initfini.h | 20 +++++++++++ sysdeps/nios2/elf-initfini.h | 20 +++++++++++ sysdeps/powerpc/elf-initfini.h | 20 +++++++++++ sysdeps/riscv/Implies | 2 -- sysdeps/s390/elf-initfini.h | 20 +++++++++++ sysdeps/sh/elf-initfini.h | 20 +++++++++++ sysdeps/sparc/elf-initfini.h | 20 +++++++++++ sysdeps/x86/elf-initfini.h | 20 +++++++++++ 26 files changed, 330 insertions(+), 105 deletions(-) create mode 100644 sysdeps/aarch64/elf-initfini.h rename sysdeps/{init_array/pt-crti.S => alpha/elf-initfini.h} (70%) create mode 100644 sysdeps/arm/elf-initfini.h rename sysdeps/{init_array => generic}/crti.S (80%) rename sysdeps/{init_array => generic}/crtn.S (82%) create mode 100644 sysdeps/generic/elf-initfini.h create mode 100644 sysdeps/hppa/elf-initfini.h create mode 100644 sysdeps/ia64/elf-initfini.h delete mode 100644 sysdeps/init_array/elf-init.c delete mode 100644 sysdeps/init_array/gmon-start.c create mode 100644 sysdeps/m68k/elf-initfini.h create mode 100644 sysdeps/microblaze/elf-initfini.h create mode 100644 sysdeps/mips/elf-initfini.h create mode 100644 sysdeps/nios2/elf-initfini.h create mode 100644 sysdeps/powerpc/elf-initfini.h create mode 100644 sysdeps/s390/elf-initfini.h create mode 100644 sysdeps/sh/elf-initfini.h create mode 100644 sysdeps/sparc/elf-initfini.h create mode 100644 sysdeps/x86/elf-initfini.h diff --git a/csu/elf-init.c b/csu/elf-init.c index b713c8b..98b3f11 100644 --- a/csu/elf-init.c +++ b/csu/elf-init.c @@ -34,6 +34,7 @@ . */ #include +#include /* These magic symbols are provided by the linker. */ @@ -49,7 +50,7 @@ extern void (*__fini_array_start []) (void) attribute_hidden; extern void (*__fini_array_end []) (void) attribute_hidden; -#ifndef NO_INITFINI +#if ELF_INITFINI /* These function symbols are provided for the .init/.fini section entry points automagically by the linker. */ extern void _init (void); @@ -79,7 +80,7 @@ __libc_csu_init (int argc, char **argv, char **envp) } #endif -#ifndef NO_INITFINI +#if ELF_INITFINI _init (); #endif @@ -99,7 +100,7 @@ __libc_csu_fini (void) while (i-- > 0) (*__fini_array_start [i]) (); -# ifndef NO_INITFINI +# if ELF_INITFINI _fini (); # endif #endif diff --git a/csu/gmon-start.c b/csu/gmon-start.c index 2803be3..da9f04c 100644 --- a/csu/gmon-start.c +++ b/csu/gmon-start.c @@ -37,6 +37,7 @@ #include #include #include +#include #define __ASSEMBLY__ #include @@ -59,6 +60,13 @@ extern char etext[]; # endif #endif +#if !ELF_INITFINI +/* Instead of defining __gmon_start__ globally in gcrt1.o, we make it + static and just put a pointer to it into the .preinit_array + section. */ +# define GMON_START_ARRAY_SECTION ".preinit_array" +#endif + #ifdef GMON_START_ARRAY_SECTION static void __gmon_start__ (void); static void (*const gmon_start_initializer) (void) diff --git a/elf/dl-fini.c b/elf/dl-fini.c index 226a6f0..231db3d 100644 --- a/elf/dl-fini.c +++ b/elf/dl-fini.c @@ -19,6 +19,7 @@ #include #include #include +#include /* Type of the constructor functions. */ @@ -117,7 +118,7 @@ _dl_fini (void) /* Is there a destructor function? */ if (l->l_info[DT_FINI_ARRAY] != NULL - || l->l_info[DT_FINI] != NULL) + || (ELF_INITFINI && l->l_info[DT_FINI] != NULL)) { /* When debugging print a message first. */ if (__builtin_expect (GLRO(dl_debug_mask) @@ -139,7 +140,7 @@ _dl_fini (void) } /* Next try the old-style destructor. */ - if (l->l_info[DT_FINI] != NULL) + if (ELF_INITFINI && l->l_info[DT_FINI] != NULL) DL_CALL_DT_FINI (l, l->l_addr + l->l_info[DT_FINI]->d_un.d_ptr); } diff --git a/elf/dl-init.c b/elf/dl-init.c index 55d528c..1234611 100644 --- a/elf/dl-init.c +++ b/elf/dl-init.c @@ -18,6 +18,7 @@ #include #include +#include /* Type of the initializer. */ @@ -40,11 +41,6 @@ call_init (struct link_map *l, int argc, char **argv, char **env) && l->l_type == lt_executable) return; - /* Are there any constructors? */ - if (l->l_info[DT_INIT] == NULL - && __builtin_expect (l->l_info[DT_INIT_ARRAY] == NULL, 1)) - return; - /* Print a debug message if wanted. */ if (__glibc_unlikely (GLRO(dl_debug_mask) & DL_DEBUG_IMPCALLS)) _dl_debug_printf ("\ncalling init: %s\n\n", @@ -54,7 +50,7 @@ call_init (struct link_map *l, int argc, char **argv, char **env) - the one named by DT_INIT - the others in the DT_INIT_ARRAY. */ - if (l->l_info[DT_INIT] != NULL) + if (ELF_INITFINI && l->l_info[DT_INIT] != NULL) DL_CALL_DT_INIT(l, l->l_addr + l->l_info[DT_INIT]->d_un.d_ptr, argc, argv, env); /* Next see whether there is an array with initialization functions. */ diff --git a/nptl/pt-crti.S b/nptl/pt-crti.S index 6c60f8a..3dbef78 100644 --- a/nptl/pt-crti.S +++ b/nptl/pt-crti.S @@ -33,11 +33,18 @@ License along with the GNU C Library; if not, see . */ +#include + /* Arrange for __pthread_initialize_minimal_internal to be called at libpthread startup, instead of conditionally calling __gmon_start__. */ -#define PREINIT_FUNCTION __pthread_initialize_minimal_internal -#define PREINIT_FUNCTION_WEAK 0 +#if ELF_INITFINI +# define PREINIT_FUNCTION __pthread_initialize_minimal_internal +# define PREINIT_FUNCTION_WEAK 0 -#include +# include +#else + .section .init_array,"a",%init_array + .dc.a __pthread_initialize_minimal_internal +#endif diff --git a/sysdeps/aarch64/elf-initfini.h b/sysdeps/aarch64/elf-initfini.h new file mode 100644 index 0000000..bb43606 --- /dev/null +++ b/sysdeps/aarch64/elf-initfini.h @@ -0,0 +1,20 @@ +/* Determine DT_INIT/DT_FINI support in the dynamic loader. AArch64 version. + Copyright (C) 2020 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, see + . */ + +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 diff --git a/sysdeps/init_array/pt-crti.S b/sysdeps/alpha/elf-initfini.h similarity index 70% rename from sysdeps/init_array/pt-crti.S rename to sysdeps/alpha/elf-initfini.h index 24c8a5d..69d056d 100644 --- a/sysdeps/init_array/pt-crti.S +++ b/sysdeps/alpha/elf-initfini.h @@ -1,5 +1,5 @@ -/* Special initializer support for libpthread. - Copyright (C) 2015-2020 Free Software Foundation, Inc. +/* Determine DT_INIT/DT_FINI support in the dynamic loader. Alpha version. + Copyright (C) 2020 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 @@ -16,8 +16,5 @@ License along with the GNU C Library; if not, see . */ -/* This arranges for libpthread.so's special initializer to be called as - soon as the library is loaded. */ - - .section .init_array,"a",%init_array - .dc.a __pthread_initialize_minimal_internal +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 diff --git a/sysdeps/arm/elf-initfini.h b/sysdeps/arm/elf-initfini.h new file mode 100644 index 0000000..24f2235 --- /dev/null +++ b/sysdeps/arm/elf-initfini.h @@ -0,0 +1,20 @@ +/* Determine DT_INIT/DT_FINI support in the dynamic loader. Arm version. + Copyright (C) 2020 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, see + . */ + +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 diff --git a/sysdeps/csky/Implies b/sysdeps/csky/Implies index fd80b48..f8c3a75 100644 --- a/sysdeps/csky/Implies +++ b/sysdeps/csky/Implies @@ -1,4 +1,3 @@ -init_array wordsize-32 # C-SKY uses IEEE 754 floating point. ieee754/flt-32 diff --git a/sysdeps/init_array/crti.S b/sysdeps/generic/crti.S similarity index 80% rename from sysdeps/init_array/crti.S rename to sysdeps/generic/crti.S index 145c918..82d6dc0 100644 --- a/sysdeps/init_array/crti.S +++ b/sysdeps/generic/crti.S @@ -12,12 +12,18 @@ toolchains without .init_array support can use this to avoid the superfluous .init and .fini boilerplate code. */ -#ifdef PREINIT_FUNCTION +#include -#if PREINIT_FUNCTION_WEAK -# error PREINIT_FUNCTION_WEAK is unsupported +#if ELF_INITFINI +# error Cannot use default crti.S because it lacks _init code #endif +#ifdef PREINIT_FUNCTION + +# if PREINIT_FUNCTION_WEAK +# error PREINIT_FUNCTION_WEAK is unsupported +# endif + /* This arranges for PREINIT_FUNCTION to be called upon loading a library that contains crti.o. */ diff --git a/sysdeps/init_array/crtn.S b/sysdeps/generic/crtn.S similarity index 82% rename from sysdeps/init_array/crtn.S rename to sysdeps/generic/crtn.S index 6f70e77..d92b07d 100644 --- a/sysdeps/init_array/crtn.S +++ b/sysdeps/generic/crtn.S @@ -11,3 +11,9 @@ But new configurations without compatibility concerns for toolchains without .init_array support can use this to avoid the superfluous .init and .fini boilerplate code. */ + +#include + +#if ELF_INITFINI +# error Cannot use genetric crtn.S because it lacks _fini code +#endif diff --git a/sysdeps/generic/elf-initfini.h b/sysdeps/generic/elf-initfini.h new file mode 100644 index 0000000..75e920d --- /dev/null +++ b/sysdeps/generic/elf-initfini.h @@ -0,0 +1,24 @@ +/* Determine DT_INIT/DT_FINI support in the dynamic loader. + Copyright (C) 2020 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, see + . */ + +/* Legacy platforms define this to 1. If 0, the dynamic linker + ignores the DT_INIT and DT_FINI tags, and static binaries will not + call the _init or _fini functions. If 1, the old constructor + mechanisms are used in addition to the initarray/finiarray + support. */ +#define ELF_INITFINI 0 diff --git a/sysdeps/hppa/elf-initfini.h b/sysdeps/hppa/elf-initfini.h new file mode 100644 index 0000000..28f84bb --- /dev/null +++ b/sysdeps/hppa/elf-initfini.h @@ -0,0 +1,20 @@ +/* Determine DT_INIT/DT_FINI support in the dynamic loader. HPPA version. + Copyright (C) 2020 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, see + . */ + +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 diff --git a/sysdeps/ia64/elf-initfini.h b/sysdeps/ia64/elf-initfini.h new file mode 100644 index 0000000..feccba6 --- /dev/null +++ b/sysdeps/ia64/elf-initfini.h @@ -0,0 +1,20 @@ +/* Determine DT_INIT/DT_FINI support in the dynamic loader. IA64 version. + Copyright (C) 2020 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, see + . */ + +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 diff --git a/sysdeps/init_array/elf-init.c b/sysdeps/init_array/elf-init.c deleted file mode 100644 index b204bd1..0000000 --- a/sysdeps/init_array/elf-init.c +++ /dev/null @@ -1,37 +0,0 @@ -/* Startup support for ELF initializers/finalizers in the main executable. - Copyright (C) 2013-2020 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, see - . */ - -#define NO_INITFINI -#include diff --git a/sysdeps/init_array/gmon-start.c b/sysdeps/init_array/gmon-start.c deleted file mode 100644 index 20f51fe..0000000 --- a/sysdeps/init_array/gmon-start.c +++ /dev/null @@ -1,41 +0,0 @@ -/* gmon startup hook using .preinit_array. - Copyright (C) 2013-2020 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, see - . */ - -/* Instead of defining __gmon_start__ globally in gcrt1.o, we make it - static and just put a pointer to it into the .preinit_array section. */ - -#define GMON_START_ARRAY_SECTION ".preinit_array" - -#include diff --git a/sysdeps/m68k/elf-initfini.h b/sysdeps/m68k/elf-initfini.h new file mode 100644 index 0000000..103b402 --- /dev/null +++ b/sysdeps/m68k/elf-initfini.h @@ -0,0 +1,20 @@ +/* Determine DT_INIT/DT_FINI support in the dynamic loader. m68k version. + Copyright (C) 2020 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, see + . */ + +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 diff --git a/sysdeps/microblaze/elf-initfini.h b/sysdeps/microblaze/elf-initfini.h new file mode 100644 index 0000000..8fcb2ca --- /dev/null +++ b/sysdeps/microblaze/elf-initfini.h @@ -0,0 +1,20 @@ +/* Determine DT_INIT/DT_FINI support in the dynamic loader, for Microblaze. + Copyright (C) 2020 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, see + . */ + +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 diff --git a/sysdeps/mips/elf-initfini.h b/sysdeps/mips/elf-initfini.h new file mode 100644 index 0000000..9e8b6ee --- /dev/null +++ b/sysdeps/mips/elf-initfini.h @@ -0,0 +1,20 @@ +/* Determine DT_INIT/DT_FINI support in the dynamic loader. MIPS version. + Copyright (C) 2020 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, see + . */ + +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 diff --git a/sysdeps/nios2/elf-initfini.h b/sysdeps/nios2/elf-initfini.h new file mode 100644 index 0000000..498ca35 --- /dev/null +++ b/sysdeps/nios2/elf-initfini.h @@ -0,0 +1,20 @@ +/* Determine DT_INIT/DT_FINI support in the dynamic loader. nios2 version. + Copyright (C) 2020 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, see + . */ + +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 diff --git a/sysdeps/powerpc/elf-initfini.h b/sysdeps/powerpc/elf-initfini.h new file mode 100644 index 0000000..ca89f42 --- /dev/null +++ b/sysdeps/powerpc/elf-initfini.h @@ -0,0 +1,20 @@ +/* Determine DT_INIT/DT_FINI support in the dynamic loader, for powerpc. + Copyright (C) 2020 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, see + . */ + +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 diff --git a/sysdeps/riscv/Implies b/sysdeps/riscv/Implies index c88325b..1945b1f 100644 --- a/sysdeps/riscv/Implies +++ b/sysdeps/riscv/Implies @@ -1,5 +1,3 @@ -init_array - ieee754/ldbl-128 ieee754/dbl-64 ieee754/flt-32 diff --git a/sysdeps/s390/elf-initfini.h b/sysdeps/s390/elf-initfini.h new file mode 100644 index 0000000..531c764 --- /dev/null +++ b/sysdeps/s390/elf-initfini.h @@ -0,0 +1,20 @@ +/* Determine DT_INIT/DT_FINI support in the dynamic loader. S/390 version. + Copyright (C) 2020 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, see + . */ + +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 diff --git a/sysdeps/sh/elf-initfini.h b/sysdeps/sh/elf-initfini.h new file mode 100644 index 0000000..0aeda57 --- /dev/null +++ b/sysdeps/sh/elf-initfini.h @@ -0,0 +1,20 @@ +/* Determine DT_INIT/DT_FINI support in the dynamic loader. SH version. + Copyright (C) 2020 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, see + . */ + +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 diff --git a/sysdeps/sparc/elf-initfini.h b/sysdeps/sparc/elf-initfini.h new file mode 100644 index 0000000..e482fe6 --- /dev/null +++ b/sysdeps/sparc/elf-initfini.h @@ -0,0 +1,20 @@ +/* Determine DT_INIT/DT_FINI support in the dynamic loader. SPARC version. + Copyright (C) 2020 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, see + . */ + +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 diff --git a/sysdeps/x86/elf-initfini.h b/sysdeps/x86/elf-initfini.h new file mode 100644 index 0000000..7a48ebd --- /dev/null +++ b/sysdeps/x86/elf-initfini.h @@ -0,0 +1,20 @@ +/* Determine DT_INIT/DT_FINI support in the dynamic loader. x86 version. + Copyright (C) 2020 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, see + . */ + +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 -- 2.7.4