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8c37241be3
* elflink.c (elf_bfd_final_link): Don't output STT_SECTION symbol into .dynsym if elf_section_data (sec)->dynindx <= 0. Adjust counting of last_local. (_bfd_elf_link_renumber_dynsyms): Don't assign dynindx to sections other than SHT_PROGBITS/SHT_NOBITS and neither for .got/.got.plt/.plt created by the linker nor !SHF_ALLOC. * elf32-i386.c (elf_i386_finish_dynamic_sections): Point DT_PLTGOT to the start of the .got.plt section instead of the .got output section. Set sh_entsize for .got section in addition to .got.plt. (elf_i386_relocate_section): Don't assume _GLOBAL_OFFSET_TABLE_ is at sgot->output_section->vma. * elf64-x86-64.c (elf64_x86_64_finish_dynamic_sections): Point DT_PLTGOT to the start of the .got.plt section instead of the .got output section. (elf64_x86_64_relocate_section): Don't assume _GLOBAL_OFFSET_TABLE_ is at sgot->output_section->vma. Set sh_entsize for .got section in addition to .got.plt. * elf.c (_bfd_elf_print_private_bfd_data): Handle PT_GNU_RELRO. (bfd_section_from_phdr): Likewise. (map_sections_to_segments): Likewise. (assign_file_positions_for_segments): Likewise. (get_program_header_size): Likewise. * elflink.c (bfd_elf_size_dynamic_sections): Set elf_tdata (output_bfd)->relro from info->relro. * elf-bfd.h (struct elf_obj_tdata): Add relro field. include/ * bfdlink.h (struct bfd_link_info): Add relro, relro_start and relro_end fields. * elf/common.h (PT_GNU_EH_FRAME, PT_GNU_STACK): Add comments. (PT_GNU_RELRO): Define. binutils/ * readelf.c (get_segment_type): Handle PT_GNU_RELRO. ld/ * genscripts.sh: Generate -z combreloc -z now -z relro scripts for binaries, -shared and -pie. * emulparams/elf_i386.sh (SEPARATE_GOTPLT): Set. * emulparams/elf_x86_64.sh (SEPARATE_GOTPLT): Set. * emulparams/elf32ppc.sh (OTHER_READWRITE_SECTIONS): Rename to... (OTHER_RELRO_SECTIONS): ... this. * ldlex.l (DATA_SEGMENT_RELRO_END): Add. * emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Handle -z relro and -z norelro. (gld${EMULATION_NAME}_list_options): Add it to usage. (gld${EMULATION_NAME}_get_script): Return -z combreloc -z now -z relro scripts when appropriate. * scripttempl/elf.sc: Unset SEPARATE_GOTPLT if RELRO_NOW is set. Create separate .got.plt section if SEPARATE_GOTPLT. Move sections which are only written during relocation handling to the beginning of RW segment. If NO_SMALL_DATA, move .got before .data. Add DATA_SEGMENT_RELRO_END directive. Include OTHER_RELRO_SECTIONS. * ldgram.y (DATA_SEGMENT_RELRO_END): Add. * ldexp.c (exp_print_token): Handle DATA_SEGMENT_RELRO_END. (fold_unary): Likewise. (fold_binary): Handle -z relro. * ldexp.h (struct exp_data_seg): Add exp_dataseg_relro_seen and exp_dataseg_relro_adjust phases. Add relro_end field. * ldmain.c (main): Initialize link_info.relro to FALSE. * ldlang.c (lang_size_sections): Handle -z relro. ld/testsuite/ * ld-i386/tlspic.rd: Adjust for section reordering changes and removal of unneeded STT_SECTION symbols from .dynsym. * ld-i386/tlspic.dd: Likewise. * ld-i386/tlspic.sd: Likewise. * ld-i386/tlsbin.rd: Likewise. * ld-i386/tlsbinpic.s: Likewise. * ld-i386/tlsbin.dd: Likewise. * ld-i386/tlsbin.sd: Likewise. * ld-i386/tlsnopic.rd: Likewise. * ld-i386/tlsnopic1.s: Likewise. * ld-i386/combreloc.d: Likewise. * ld-i386/tlsnopic.dd: Likewise. * ld-i386/tlsnopic.sd: Likewise. * ld-x86-64/tlspic.rd: Likewise. * ld-x86-64/tlspic.dd: Likewise. * ld-x86-64/tlsbin.dd: Likewise. * ld-x86-64/tlspic.sd: Likewise. * ld-x86-64/tlsbin.sd: Likewise. * ld-x86-64/tlspic.td: Likewise. * ld-x86-64/tlsbin.td: Likewise. * ld-x86-64/tlsbin.rd: Likewise. * ld-s390/tlspic1.s: Likewise. * ld-s390/tlsbinpic.s: Likewise. * ld-s390/tlspic.rd: Likewise. * ld-s390/tlsbin.rd: Likewise. * ld-s390/tlspic.dd: Likewise. * ld-s390/tlsbin.dd: Likewise. * ld-s390/tlsbin.sd: Likewise. * ld-s390/tlsbin.td: Likewise. * ld-s390/tlspic.sd: Likewise. * ld-s390/tlspic.td: Likewise. * ld-s390/tlspic1_64.s: Likewise. * ld-s390/tlsbinpic_64.s: Likewise. * ld-s390/tlspic_64.rd: Likewise. * ld-s390/tlsbin_64.rd: Likewise. * ld-s390/tlspic_64.dd: Likewise. * ld-s390/tlsbin_64.dd: Likewise. * ld-s390/tlspic_64.sd: Likewise. * ld-s390/tlspic_64.td: Likewise. * ld-s390/tlsbin_64.td: Likewise. * ld-s390/tlsbin_64.sd: Likewise. * ld-powerpc/tlsexe32.r: Likewise. * ld-powerpc/tlsso32.r: Likewise. * ld-powerpc/tlsso32.d: Likewise. * ld-powerpc/tlsso32.g: Likewise. * ld-powerpc/tlsso32.t: Likewise. * ld-powerpc/tlsexe.r: Likewise. * ld-powerpc/tlsso.r: Likewise. * ld-powerpc/tlsso.g: Likewise. * ld-powerpc/tlsexetoc.r: Likewise. * ld-powerpc/tlstocso.r: Likewise. * ld-powerpc/tlstocso.g: Likewise. * ld-ia64/tlspic.rd: Likewise. * ld-ia64/tlspic.dd: Likewise. * ld-ia64/tlspic.sd: Likewise. * ld-ia64/tlspic.td: Likewise. * ld-ia64/tlsbin.rd: Likewise. * ld-ia64/tlsbin.sd: Likewise. * ld-ia64/tlsbin.td: Likewise. * ld-elfvsb/elfvsb.exp: XFAIL non-PIC load offset tests on s390x. * ld-shared/shared.exp: Likewise.
145 lines
3.4 KiB
C
145 lines
3.4 KiB
C
/* ldexp.h -
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Copyright 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2002,
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2003, 2004 Free Software Foundation, Inc.
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This file is part of GLD, the Gnu Linker.
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GLD is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GLD is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GLD; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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#ifndef LDEXP_H
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#define LDEXP_H
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/* The result of an expression tree */
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typedef struct {
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bfd_vma value;
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char *str;
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struct lang_output_section_statement_struct *section;
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bfd_boolean valid_p;
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} etree_value_type;
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typedef struct {
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int node_code;
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enum {
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etree_binary,
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etree_trinary,
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etree_unary,
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etree_name,
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etree_assign,
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etree_provide,
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etree_provided,
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etree_undef,
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etree_unspec,
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etree_value,
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etree_assert,
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etree_rel
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} node_class;
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} node_type;
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typedef union etree_union {
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node_type type;
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struct {
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node_type type;
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union etree_union *lhs;
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union etree_union *rhs;
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} binary;
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struct {
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node_type type;
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union etree_union *cond;
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union etree_union *lhs;
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union etree_union *rhs;
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} trinary;
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struct {
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node_type type;
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const char *dst;
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union etree_union *src;
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} assign;
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struct {
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node_type type;
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union etree_union *child;
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} unary;
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struct {
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node_type type;
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const char *name;
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} name;
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struct {
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node_type type;
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bfd_vma value;
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char *str;
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} value;
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struct {
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node_type type;
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asection *section;
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bfd_vma value;
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} rel;
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struct {
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node_type type;
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union etree_union *child;
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const char *message;
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} assert_s;
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} etree_type;
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extern struct exp_data_seg {
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enum {
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exp_dataseg_none,
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exp_dataseg_align_seen,
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exp_dataseg_relro_seen,
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exp_dataseg_end_seen,
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exp_dataseg_relro_adjust,
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exp_dataseg_adjust
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} phase;
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bfd_vma base, relro_end, end, pagesize;
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} exp_data_seg;
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typedef struct _fill_type fill_type;
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etree_type *exp_intop
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(bfd_vma);
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etree_type *exp_bigintop
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(bfd_vma, char *);
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etree_type *exp_relop
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(asection *, bfd_vma);
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etree_value_type invalid
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(void);
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etree_value_type exp_fold_tree
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(etree_type *, struct lang_output_section_statement_struct *,
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lang_phase_type, bfd_vma, bfd_vma *);
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etree_type *exp_binop
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(int, etree_type *, etree_type *);
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etree_type *exp_trinop
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(int,etree_type *, etree_type *, etree_type *);
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etree_type *exp_unop
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(int, etree_type *);
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etree_type *exp_nameop
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(int, const char *);
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etree_type *exp_assop
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(int, const char *, etree_type *);
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etree_type *exp_provide
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(const char *, etree_type *);
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etree_type *exp_assert
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(etree_type *, const char *);
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void exp_print_tree
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(etree_type *);
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bfd_vma exp_get_vma
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(etree_type *, bfd_vma, char *, lang_phase_type);
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int exp_get_value_int
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(etree_type *, int, char *, lang_phase_type);
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fill_type *exp_get_fill
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(etree_type *, fill_type *, char *, lang_phase_type);
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bfd_vma exp_get_abs_int
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(etree_type *, int, char *, lang_phase_type);
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#endif
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