asan: Buffer overflow in evax_bfd_print_dst

[binutils-gdb.git] / bfd / elf-bfd.h

diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 4a85255a50088cbc9ee47edd74613ded169c8132..5c3985f6e571070299db754ed2a8b0d5b71fad9d 100644 (file)
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -291,9 +291,12 @@ weakdef (struct elf_link_hash_entry *h)
   _bfd_elf_symbol_refs_local_p (H, INFO, 1)
 
 /* Whether an undefined weak symbol should resolve to its link-time
-   value, even in PIC or PIE objects.  */
+   value, even in PIC or PIE objects.  The linker_def test is to
+   handle symbols like __ehdr_start that may be undefweak in early
+   stages of linking but are guaranteed to be defined later.  */
 #define UNDEFWEAK_NO_DYNAMIC_RELOC(INFO, H)            \
   ((H)->root.type == bfd_link_hash_undefweak           \
+   && !(H)->root.linker_def                            \
    && (ELF_ST_VISIBILITY ((H)->other) != STV_DEFAULT   \
        || (INFO)->dynamic_undefined_weak == 0))
 
@@ -496,6 +499,7 @@ enum elf_target_id
 {
   AARCH64_ELF_DATA = 1,
   ALPHA_ELF_DATA,
+  AMDGCN_ELF_DATA,
   ARC_ELF_DATA,
   ARM_ELF_DATA,
   AVR_ELF_DATA,
@@ -596,6 +600,9 @@ struct elf_link_hash_table
   /* TRUE if DT_JMPREL is a required dynamic tag.  */
   bool dt_jmprel_required;
 
+  /* TRUE when we are handling DT_NEEDED entries.  */
+  bool handling_dt_needed;
+
   /* 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.  */
@@ -943,9 +950,6 @@ struct elf_backend_data
   /* The common page size for this backend.  */
   bfd_vma commonpagesize;
 
-  /* The value of commonpagesize to use when -z relro for this backend.  */
-  bfd_vma relropagesize;
-
   /* The p_align value for this backend.  If it is set, p_align of
       PT_LOAD alignment will be to p_align by default.  */
   bfd_vma p_align;
@@ -1906,10 +1910,6 @@ struct output_elf_obj_tdata
   /* STT_SECTION symbols for each section */
   asymbol **section_syms;
 
-  /* Used to determine if PT_GNU_EH_FRAME segment header should be
-     created.  */
-  asection *eh_frame_hdr;
-
   /* NT_GNU_BUILD_ID note type info.  */
   struct
   {
@@ -2113,7 +2113,6 @@ struct elf_obj_tdata
 #define elf_seg_map(bfd)       (elf_tdata(bfd) -> o->seg_map)
 #define elf_link_info(bfd)     (elf_tdata(bfd) -> o->link_info)
 #define elf_next_file_pos(bfd) (elf_tdata(bfd) -> o->next_file_pos)
-#define elf_eh_frame_hdr(bfd)  (elf_tdata(bfd) -> o->eh_frame_hdr)
 #define elf_stack_flags(bfd)   (elf_tdata(bfd) -> o->stack_flags)
 #define elf_shstrtab(bfd)      (elf_tdata(bfd) -> o->strtab_ptr)
 #define elf_onesymtab(bfd)     (elf_tdata(bfd) -> symtab_section)
@@ -2409,7 +2408,7 @@ extern bool _bfd_elf_discard_section_eh_frame
 extern bool _bfd_elf_adjust_eh_frame_global_symbol
   (struct elf_link_hash_entry *, void *);
 extern bool _bfd_elf_discard_section_eh_frame_hdr
-  (bfd *, struct bfd_link_info *);
+  (struct bfd_link_info *);
 extern bfd_vma _bfd_elf_eh_frame_section_offset
   (bfd *, struct bfd_link_info *, asection *, bfd_vma);
 extern bool _bfd_elf_write_section_eh_frame