diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux')
| -rw-r--r-- | sysdeps/unix/sysv/linux/riscv/Makefile | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/riscv/dl-static.c | 84 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/riscv/ldsodefs.h | 32 |
3 files changed, 0 insertions, 120 deletions
diff --git a/sysdeps/unix/sysv/linux/riscv/Makefile b/sysdeps/unix/sysv/linux/riscv/Makefile index b47858769f..b7ad31885c 100644 --- a/sysdeps/unix/sysv/linux/riscv/Makefile +++ b/sysdeps/unix/sysv/linux/riscv/Makefile @@ -1,9 +1,5 @@ ifeq ($(subdir),elf) sysdep_routines += dl-vdso -ifeq ($(build-shared),yes) -# This is needed for DSO loading from static binaries. -sysdep-dl-routines += dl-static -endif endif ifeq ($(subdir),misc) diff --git a/sysdeps/unix/sysv/linux/riscv/dl-static.c b/sysdeps/unix/sysv/linux/riscv/dl-static.c deleted file mode 100644 index e52612a267..0000000000 --- a/sysdeps/unix/sysv/linux/riscv/dl-static.c +++ /dev/null @@ -1,84 +0,0 @@ -/* Variable initialization. RISC-V version - Copyright (C) 2001-2019 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/>. */ - -#include <ldsodefs.h> - -#ifdef SHARED - -void -_dl_var_init (void *array[]) -{ - /* It has to match "variables" below. */ - enum - { - DL_PAGESIZE = 0 - }; - - GLRO(dl_pagesize) = *((size_t *) array[DL_PAGESIZE]); -} - -#else - -static void *variables[] = -{ - &GLRO(dl_pagesize) -}; - -static void -_dl_unprotect_relro (struct link_map *l) -{ - ElfW(Addr) start = ((l->l_addr + l->l_relro_addr) - & ~(GLRO(dl_pagesize) - 1)); - ElfW(Addr) end = ((l->l_addr + l->l_relro_addr + l->l_relro_size) - & ~(GLRO(dl_pagesize) - 1)); - - if (start != end) - __mprotect ((void *) start, end - start, PROT_READ | PROT_WRITE); -} - -void -_dl_static_init (struct link_map *l) -{ - struct link_map *rtld_map = l; - struct r_scope_elem **scope; - const ElfW(Sym) *ref = NULL; - lookup_t loadbase; - void (*f) (void *[]); - size_t i; - - loadbase = _dl_lookup_symbol_x ("_dl_var_init", l, &ref, l->l_local_scope, - NULL, 0, 1, NULL); - - for (scope = l->l_local_scope; *scope != NULL; scope++) - for (i = 0; i < (*scope)->r_nlist; i++) - if ((*scope)->r_list[i] == loadbase) - { - rtld_map = (*scope)->r_list[i]; - break; - } - - if (ref != NULL) - { - f = (void (*) (void *[])) DL_SYMBOL_ADDRESS (loadbase, ref); - _dl_unprotect_relro (rtld_map); - f (variables); - _dl_protect_relro (rtld_map); - } -} - -#endif diff --git a/sysdeps/unix/sysv/linux/riscv/ldsodefs.h b/sysdeps/unix/sysv/linux/riscv/ldsodefs.h deleted file mode 100644 index a46e676752..0000000000 --- a/sysdeps/unix/sysv/linux/riscv/ldsodefs.h +++ /dev/null @@ -1,32 +0,0 @@ -/* RISC-V dynamic linker data structures for loaded ELF shared objects. - Copyright (C) 2001-2019 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/>. */ - -#ifndef _LDSODEFS_H - -/* Get the real definitions. */ -#include_next <ldsodefs.h> - -/* Now define our stuff. */ - -/* We need special support to initialize DSO loaded for statically linked - binaries. */ -extern void _dl_static_init (struct link_map *map); -#undef DL_STATIC_INIT -#define DL_STATIC_INIT(map) _dl_static_init (map) - -#endif /* ldsodefs.h */ |