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authorH.J. Lu <hjl.tools@gmail.com>2020-06-23 05:07:31 -0700
committerH.J. Lu <hjl.tools@gmail.com>2020-06-23 05:07:45 -0700
commit3084d7a27b8e4d13f0fdd0fac62ffadc9c2223b5 (patch)
tree6cf63cdbd80c06d4dfceb2ff02c4ebc3ff155104 /bfd/elf-bfd.h
parent2e573c0a3f9de232587f75de0af765abb8e193b9 (diff)
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ELF: Add _bfd_elf_add_dynamic_tags
All ELF backends with shared library support need to add dynamic tags. Add dt_pltgot_required and dt_jmprel_required to elf_link_hash_table to indicate that DT_PLTGOT and DT_JMPREL are required dynamic tags. 1. Add _bfd_elf_add_dynamic_tags to add common dynamic tags. 2. Add _bfd_elf_maybe_vxworks_add_dynamic_tags to add common VxWorks dynamic tags. * elf-bfd.h (elf_link_hash_table): Add dt_pltgot_required and dt_jmprel_required. (_bfd_elf_add_dynamic_tags): New. * elf-m10300.c (_bfd_mn10300_elf_size_dynamic_sections): Call _bfd_elf_add_dynamic_tags. * elf32-arc.c (elf_arc_size_dynamic_sections): Likewise. * elf32-bfin.c (elf32_bfinfdpic_size_dynamic_sections): Likewise. * elf32-cr16.c (_bfd_cr16_elf_size_dynamic_sections): Likewise. * elf32-frv.c (elf32_frvfdpic_size_dynamic_sections): Likewise. * elf32-lm32.c (lm32_elf_size_dynamic_sections): Likewise. * elf32-m32r.c (m32r_elf_size_dynamic_sections): Likewise. * elf32-m68k.c (elf_m68k_size_dynamic_sections): Likewise. * elf32-microblaze.c (microblaze_elf_size_dynamic_sections): Likewise. * elf32-nds32.c (nds32_elf_size_dynamic_sections): Likewise. * elf32-nios2.c (nios2_elf32_size_dynamic_sections): Likewise. * elf32-or1k.c (or1k_elf_size_dynamic_sections): Likewise. * elf32-s390.c (elf_s390_size_dynamic_sections): Likewise. * elf32-tilepro.c (tilepro_elf_size_dynamic_sections): Likewise. * elf32-vax.c (elf_vax_size_dynamic_sections): Likewise. * elf64-alpha.c (elf64_alpha_size_dynamic_sections): Likewise. * elf64-s390.c (elf_s390_size_dynamic_sections): Likewise. * elfnn-aarch64.c (elfNN_aarch64_size_dynamic_sections): Likewise. * elfnn-riscv.c (riscv_elf_size_dynamic_sections): Likewise. * elfxx-tilegx.c (tilegx_elf_size_dynamic_sections): Likewise. * elf32-arm.c (elf32_arm_size_dynamic_sections): Call _bfd_elf_maybe_vxworks_add_dynamic_tags. * elf32-ppc.c (ppc_elf_size_dynamic_sections): Likewise. * elfxx-sparc.c (_bfd_sparc_elf_size_dynamic_sections): Likewise. * elfxx-x86.c (_bfd_x86_elf_link_hash_table_create): Likewise. (_bfd_x86_elf_size_dynamic_sections): Likewise. * elfxx-x86.h (elf_x86_link_hash_table): Remove dt_reloc, dt_reloc_sz and dt_reloc_ent. * elf-vxworks.c (_bfd_elf_maybe_vxworks_add_dynamic_tags): New. * elf-vxworks.h (_bfd_elf_maybe_vxworks_add_dynamic_tags): Likewise. * elf32-hppa.c (elf32_hppa_link_hash_table_create): Set etab.dt_pltgot_required. (elf32_hppa_size_dynamic_sections): Call _bfd_elf_add_dynamic_tags. * elf32-metag.c (elf_metag_link_hash_table_create): Set etab.dt_pltgot_required. (elf_metag_size_dynamic_sections): Call _bfd_elf_add_dynamic_tags. * elf32-sh.c (sh_elf_link_hash_table_create): Set root.dt_pltgot_required for FDPIC output. (sh_elf_size_dynamic_sections): Call _bfd_elf_maybe_vxworks_add_dynamic_tags. * elf32-xtensa.c (elf_xtensa_link_hash_table_create): Set elf.dt_pltgot_required. (elf_xtensa_size_dynamic_sections): Call _bfd_elf_add_dynamic_tags. * elf64-hppa.c (elf64_hppa_hash_table_create): Set root.dt_pltgot_required. (elf64_hppa_size_dynamic_sections): Call _bfd_elf_add_dynamic_tags. * elfnn-ia64.c (elfNN_ia64_hash_table_create): Set root.dt_pltgot_required. (elfNN_ia64_size_dynamic_sections): Set root.dt_jmprel_required for rel_pltoff_sec. Call _bfd_elf_add_dynamic_tags. * elflink.c (_bfd_elf_add_dynamic_tags): New.
Diffstat (limited to 'bfd/elf-bfd.h')
-rw-r--r--bfd/elf-bfd.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 242750f..1576724 100644
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -573,6 +573,12 @@ struct elf_link_hash_table
/* TRUE if there are IFUNC resolvers. */
bfd_boolean ifunc_resolvers;
+ /* TRUE if DT_PLTGOT is a required dynamic tag. */
+ bfd_boolean dt_pltgot_required;
+
+ /* TRUE if DT_JMPREL is a required dynamic tag. */
+ bfd_boolean dt_jmprel_required;
+
/* The BFD used to hold special sections created by the linker.
This will be the first BFD found which requires these sections to
be created. */
@@ -2908,6 +2914,9 @@ extern asection *_bfd_elf_readonly_dynrelocs
extern bfd_boolean _bfd_elf_maybe_set_textrel
(struct elf_link_hash_entry *, void *);
+extern bfd_boolean _bfd_elf_add_dynamic_tags
+ (bfd *, struct bfd_link_info *, bfd_boolean);
+
/* Large common section. */
extern asection _bfd_elf_large_com_section;