From 4c23f2ffa8fbd467bca51956130a1f30cfe34371 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Wed, 15 Jun 2016 18:42:56 -0700 Subject: [PATCH] Check SEC_ALLOC before allocating dynamic relocation * elf32-i386.c (elf_i386_check_relocs): Check SEC_ALLOC before allocating dynamic relocation. * elf64-x86-64.c (elf_x86_64_check_relocs): Likewise. --- bfd/ChangeLog | 6 ++++++ bfd/elf32-i386.c | 27 +++++++++++++-------------- bfd/elf64-x86-64.c | 27 +++++++++++++-------------- 3 files changed, 32 insertions(+), 28 deletions(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 38d28f32da6..344e08b93b9 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2016-06-15 H.J. Lu + + * elf32-i386.c (elf_i386_check_relocs): Check SEC_ALLOC before + allocating dynamic relocation. + * elf64-x86-64.c (elf_x86_64_check_relocs): Likewise. + 2016-06-14 Senthil Kumar Selvaraj PR ld/20254 diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c index 686c0682fb0..793fb39dfa4 100644 --- a/bfd/elf32-i386.c +++ b/bfd/elf32-i386.c @@ -2202,20 +2202,19 @@ do_size: may need to keep relocations for symbols satisfied by a dynamic library if we manage to avoid copy relocs for the symbol. */ - if ((bfd_link_pic (info) - && (sec->flags & SEC_ALLOC) != 0 - && (r_type != R_386_PC32 - || (h != NULL - && (! (bfd_link_pie (info) - || SYMBOLIC_BIND (info, h)) - || h->root.type == bfd_link_hash_defweak - || !h->def_regular)))) - || (ELIMINATE_COPY_RELOCS - && !bfd_link_pic (info) - && (sec->flags & SEC_ALLOC) != 0 - && h != NULL - && (h->root.type == bfd_link_hash_defweak - || !h->def_regular))) + if ((sec->flags & SEC_ALLOC) != 0 + && ((bfd_link_pic (info) + && (r_type != R_386_PC32 + || (h != NULL + && (! (bfd_link_pie (info) + || SYMBOLIC_BIND (info, h)) + || h->root.type == bfd_link_hash_defweak + || !h->def_regular)))) + || (ELIMINATE_COPY_RELOCS + && !bfd_link_pic (info) + && h != NULL + && (h->root.type == bfd_link_hash_defweak + || !h->def_regular)))) { struct elf_dyn_relocs *p; struct elf_dyn_relocs **head; diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c index b2096044a10..8c8bcce5d72 100644 --- a/bfd/elf64-x86-64.c +++ b/bfd/elf64-x86-64.c @@ -2601,20 +2601,19 @@ do_size: may need to keep relocations for symbols satisfied by a dynamic library if we manage to avoid copy relocs for the symbol. */ - if ((bfd_link_pic (info) - && (sec->flags & SEC_ALLOC) != 0 - && (! IS_X86_64_PCREL_TYPE (r_type) - || (h != NULL - && (! (bfd_link_pie (info) - || SYMBOLIC_BIND (info, h)) - || h->root.type == bfd_link_hash_defweak - || !h->def_regular)))) - || (ELIMINATE_COPY_RELOCS - && !bfd_link_pic (info) - && (sec->flags & SEC_ALLOC) != 0 - && h != NULL - && (h->root.type == bfd_link_hash_defweak - || !h->def_regular))) + if ((sec->flags & SEC_ALLOC) != 0 + && ((bfd_link_pic (info) + && (! IS_X86_64_PCREL_TYPE (r_type) + || (h != NULL + && (! (bfd_link_pie (info) + || SYMBOLIC_BIND (info, h)) + || h->root.type == bfd_link_hash_defweak + || !h->def_regular)))) + || (ELIMINATE_COPY_RELOCS + && !bfd_link_pic (info) + && h != NULL + && (h->root.type == bfd_link_hash_defweak + || !h->def_regular)))) { struct elf_dyn_relocs *p; struct elf_dyn_relocs **head; -- 2.30.2