x86: drop NoRex64 from {,v}pmov{s,z}x*

[deliverable/binutils-gdb.git] / bfd / elf32-arm.c

diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 5a3b58ff0dc63cbe84940cf4a9232f83e6bef92e..2c321bbcb65455b10b223316acbad03e27a0b1b3 100644 (file)
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -2174,7 +2174,18 @@ elf32_arm_nabi_write_core_note (bfd *abfd, char *buf, int *bufsiz,
        va_start (ap, note_type);
        memset (data, 0, sizeof (data));
        strncpy (data + 28, va_arg (ap, const char *), 16);
+#if GCC_VERSION == 8000 || GCC_VERSION == 8001
+       DIAGNOSTIC_PUSH;
+       /* GCC 8.0 and 8.1 warn about 80 equals destination size with
+          -Wstringop-truncation:
+          https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85643
+        */
+       DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION;
+#endif
        strncpy (data + 44, va_arg (ap, const char *), 80);
+#if GCC_VERSION == 8000 || GCC_VERSION == 8001
+       DIAGNOSTIC_POP;
+#endif
        va_end (ap);
 
        return elfcore_write_note (abfd, buf, bufsiz,
@@ -11491,37 +11502,39 @@ elf32_arm_final_link_relocate (reloc_howto_type *         howto,
                           && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
                               || h->root.type != bfd_link_hash_undefweak))
                    outrel.r_info = ELF32_R_INFO (0, R_ARM_RELATIVE);
-                 else if (globals->fdpic_p)
-                   isrofixup = 1;
                  else
-                   outrel.r_info = 0;
+                   {
+                     outrel.r_info = 0;
+                     if (globals->fdpic_p)
+                       isrofixup = 1;
+                   }
                  outrel.r_addend = dynreloc_value;
                }
 
              /* The GOT entry is initialized to zero by default.
                 See if we should install a different value.  */
              if (outrel.r_addend != 0
-                 && (outrel.r_info == 0 || globals->use_rel || isrofixup))
+                 && (globals->use_rel || outrel.r_info == 0))
                {
                  bfd_put_32 (output_bfd, outrel.r_addend,
                              sgot->contents + off);
                  outrel.r_addend = 0;
                }
 
-             if (outrel.r_info != 0 && !isrofixup)
+             if (isrofixup)
+               arm_elf_add_rofixup (output_bfd,
+                                    elf32_arm_hash_table(info)->srofixup,
+                                    sgot->output_section->vma
+                                    + sgot->output_offset + off);
+
+             else if (outrel.r_info != 0)
                {
                  outrel.r_offset = (sgot->output_section->vma
                                     + sgot->output_offset
                                     + off);
                  elf32_arm_add_dynreloc (output_bfd, info, srelgot, &outrel);
                }
-             else if (isrofixup)
-               {
-                 arm_elf_add_rofixup(output_bfd,
-                                     elf32_arm_hash_table(info)->srofixup,
-                                     sgot->output_section->vma
-                                     + sgot->output_offset + off);
-               }
+
              h->got.offset |= 1;
            }
          value = sgot->output_offset + off;
@@ -11542,31 +11555,39 @@ elf32_arm_final_link_relocate (reloc_howto_type *         howto,
            off &= ~1;
          else
            {
-             if (globals->use_rel)
-               bfd_put_32 (output_bfd, dynreloc_value, sgot->contents + off);
+             Elf_Internal_Rela outrel;
+             int isrofixup = 0;
 
-             if (bfd_link_pic (info) || dynreloc_st_type == STT_GNU_IFUNC)
+             if (dynreloc_st_type == STT_GNU_IFUNC)
+               outrel.r_info = ELF32_R_INFO (0, R_ARM_IRELATIVE);
+             else if (bfd_link_pic (info))
+               outrel.r_info = ELF32_R_INFO (0, R_ARM_RELATIVE);
+             else
                {
-                 Elf_Internal_Rela outrel;
+                 outrel.r_info = 0;
+                 if (globals->fdpic_p)
+                   isrofixup = 1;
+               }
 
+             /* The GOT entry is initialized to zero by default.
+                See if we should install a different value.  */
+             if (globals->use_rel || outrel.r_info == 0)
+               bfd_put_32 (output_bfd, dynreloc_value, sgot->contents + off);
+
+             if (isrofixup)
+               arm_elf_add_rofixup (output_bfd,
+                                    globals->srofixup,
+                                    sgot->output_section->vma
+                                    + sgot->output_offset + off);
+
+             else if (outrel.r_info != 0)
+               {
                  outrel.r_addend = addend + dynreloc_value;
                  outrel.r_offset = (sgot->output_section->vma
                                     + sgot->output_offset
                                     + off);
-                 if (dynreloc_st_type == STT_GNU_IFUNC)
-                   outrel.r_info = ELF32_R_INFO (0, R_ARM_IRELATIVE);
-                 else
-                   outrel.r_info = ELF32_R_INFO (0, R_ARM_RELATIVE);
                  elf32_arm_add_dynreloc (output_bfd, info, srelgot, &outrel);
                }
-             else if (globals->fdpic_p)
-               {
-                 /* For FDPIC executables, we use rofixup to fix
-                    address at runtime.  */
-                 arm_elf_add_rofixup(output_bfd, globals->srofixup,
-                                     sgot->output_section->vma + sgot->output_offset
-                                     + off);
-               }
 
              local_got_offsets[r_symndx] |= 1;
            }
@@ -13633,6 +13654,7 @@ bfd_arm_get_mach_from_attributes (bfd * abfd)
 
   switch (arch)
     {
+    case TAG_CPU_ARCH_PRE_V4: return bfd_mach_arm_3M;
     case TAG_CPU_ARCH_V4: return bfd_mach_arm_4;
     case TAG_CPU_ARCH_V4T: return bfd_mach_arm_4T;
     case TAG_CPU_ARCH_V5T: return bfd_mach_arm_5T;
@@ -13670,7 +13692,38 @@ bfd_arm_get_mach_from_attributes (bfd * abfd)
        return bfd_mach_arm_5TE;
       }
 
+    case TAG_CPU_ARCH_V5TEJ:
+       return bfd_mach_arm_5TEJ;
+    case TAG_CPU_ARCH_V6:
+       return bfd_mach_arm_6;
+    case TAG_CPU_ARCH_V6KZ:
+       return bfd_mach_arm_6KZ;
+    case TAG_CPU_ARCH_V6T2:
+       return bfd_mach_arm_6T2;
+    case TAG_CPU_ARCH_V6K:
+       return bfd_mach_arm_6K;
+    case TAG_CPU_ARCH_V7:
+       return bfd_mach_arm_7;
+    case TAG_CPU_ARCH_V6_M:
+       return bfd_mach_arm_6M;
+    case TAG_CPU_ARCH_V6S_M:
+       return bfd_mach_arm_6SM;
+    case TAG_CPU_ARCH_V7E_M:
+       return bfd_mach_arm_7EM;
+    case TAG_CPU_ARCH_V8:
+       return bfd_mach_arm_8;
+    case TAG_CPU_ARCH_V8R:
+       return bfd_mach_arm_8R;
+    case TAG_CPU_ARCH_V8M_BASE:
+       return bfd_mach_arm_8M_BASE;
+    case TAG_CPU_ARCH_V8M_MAIN:
+       return bfd_mach_arm_8M_MAIN;
+
     default:
+      /* Force entry to be added for any new known Tag_CPU_arch value.  */
+      BFD_ASSERT (arch > MAX_TAG_CPU_ARCH);
+
+      /* Unknown Tag_CPU_arch value.  */
       return bfd_mach_arm_unknown;
     }
 }
@@ -19753,11 +19806,6 @@ elf32_arm_add_symbol_hook (bfd *abfd, struct bfd_link_info *info,
                           Elf_Internal_Sym *sym, const char **namep,
                           flagword *flagsp, asection **secp, bfd_vma *valp)
 {
-  if (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC
-      && (abfd->flags & DYNAMIC) == 0
-      && bfd_get_flavour (info->output_bfd) == bfd_target_elf_flavour)
-    elf_tdata (info->output_bfd)->has_gnu_symbols |= elf_gnu_symbol_ifunc;
-
   if (elf32_arm_hash_table (info) == NULL)
     return FALSE;