diff options
26 files changed, 330 insertions, 105 deletions
diff --git a/csu/elf-init.c b/csu/elf-init.c index b713c8b0fb..98b3f11ff5 100644 --- a/csu/elf-init.c +++ b/csu/elf-init.c @@ -34,6 +34,7 @@ <https://www.gnu.org/licenses/>. */ #include <stddef.h> +#include <elf-initfini.h> /* 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 2803be342a..da9f04c522 100644 --- a/csu/gmon-start.c +++ b/csu/gmon-start.c @@ -37,6 +37,7 @@ #include <sys/gmon.h> #include <stdlib.h> #include <unistd.h> +#include <elf-initfini.h> #define __ASSEMBLY__ #include <entry.h> @@ -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 226a6f077a..231db3d66d 100644 --- a/elf/dl-fini.c +++ b/elf/dl-fini.c @@ -19,6 +19,7 @@ #include <assert.h> #include <string.h> #include <ldsodefs.h> +#include <elf-initfini.h> /* 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 55d528c7a5..1234611a1c 100644 --- a/elf/dl-init.c +++ b/elf/dl-init.c @@ -18,6 +18,7 @@ #include <stddef.h> #include <ldsodefs.h> +#include <elf-initfini.h> /* 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 6c60f8a1a4..3dbef78adb 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 <https://www.gnu.org/licenses/>. */ +#include <elf-initfini.h> + /* 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 <crti.S> +# include <crti.S> +#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 0000000000..bb436065a8 --- /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 + <http://www.gnu.org/licenses/>. */ + +/* 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 index 24c8a5d4d6..69d056d493 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 <https://www.gnu.org/licenses/>. */ -/* 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 0000000000..24f22352db --- /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 + <https://www.gnu.org/licenses/>. */ + +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 diff --git a/sysdeps/csky/Implies b/sysdeps/csky/Implies index fd80b4826e..f8c3a7586e 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 index 145c918f93..82d6dc0d91 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 <elf-initfini.h> -#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 index 6f70e77160..d92b07dd0b 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 <elf-initfini.h> + +#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 0000000000..75e920d283 --- /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 + <https://www.gnu.org/licenses/>. */ + +/* 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 0000000000..28f84bb039 --- /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 + <https://www.gnu.org/licenses/>. */ + +/* 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 0000000000..feccba6799 --- /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 + <https://www.gnu.org/licenses/>. */ + +/* 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 b204bd1de9..0000000000 --- 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 - <https://www.gnu.org/licenses/>. */ - -#define NO_INITFINI -#include <csu/elf-init.c> diff --git a/sysdeps/init_array/gmon-start.c b/sysdeps/init_array/gmon-start.c deleted file mode 100644 index 20f51feafe..0000000000 --- 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 - <https://www.gnu.org/licenses/>. */ - -/* 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 <csu/gmon-start.c> diff --git a/sysdeps/m68k/elf-initfini.h b/sysdeps/m68k/elf-initfini.h new file mode 100644 index 0000000000..103b402866 --- /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 + <https://www.gnu.org/licenses/>. */ + +/* 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 0000000000..8fcb2cab0d --- /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 + <https://www.gnu.org/licenses/>. */ + +/* 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 0000000000..9e8b6eed83 --- /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 + <https://www.gnu.org/licenses/>. */ + +/* 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 0000000000..498ca35b8e --- /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 + <https://www.gnu.org/licenses/>. */ + +/* 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 0000000000..ca89f427f2 --- /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 + <https://www.gnu.org/licenses/>. */ + +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 diff --git a/sysdeps/riscv/Implies b/sysdeps/riscv/Implies index c88325b8be..1945b1f4bb 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 0000000000..531c764ae2 --- /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 + <https://www.gnu.org/licenses/>. */ + +/* 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 0000000000..0aeda572b2 --- /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 + <https://www.gnu.org/licenses/>. */ + +/* 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 0000000000..e482fe6eca --- /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 + <https://www.gnu.org/licenses/>. */ + +/* 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 0000000000..7a48ebda92 --- /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 + <https://www.gnu.org/licenses/>. */ + +/* Enable DT_INIT/DT_FINI support. */ +#define ELF_INITFINI 1 |