gas: detect DCTI couples in sparc

[deliverable/binutils-gdb.git] / bfd / reloc.c

diff --git a/bfd/reloc.c b/bfd/reloc.c
index 18ca7bbf3837ea2ee7f230b12ef36a75271e16e2..a2bfe2b45bfb167e2a8072a235ebdc2a792b77e6 100644 (file)
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -1,5 +1,5 @@
 /* BFD support for handling relocation entries.
 /* BFD support for handling relocation entries.

-   Copyright (C) 1990-2015 Free Software Foundation, Inc.
+   Copyright (C) 1990-2016 Free Software Foundation, Inc.

    Written by Cygnus Support.
 
    This file is part of BFD, the Binary File Descriptor library.
    Written by Cygnus Support.
 
    This file is part of BFD, the Binary File Descriptor library.


@@ -586,16 +586,6 @@ bfd_perform_relocation (bfd *abfd,
   asymbol *symbol;
 
   symbol = *(reloc_entry->sym_ptr_ptr);
   asymbol *symbol;
 
   symbol = *(reloc_entry->sym_ptr_ptr);

-  if (bfd_is_abs_section (symbol->section)
-      && output_bfd != NULL)
-    {
-      reloc_entry->address += input_section->output_offset;
-      return bfd_reloc_ok;
-    }
-
-  /* PR 17512: file: 0f67f69d.  */
-  if (howto == NULL)
-    return bfd_reloc_undefined;

 
   /* If we are not producing relocatable output, return an error if
      the symbol is not defined.  An undefined weak symbol is
 
   /* If we are not producing relocatable output, return an error if
      the symbol is not defined.  An undefined weak symbol is


@@ -608,7 +598,7 @@ bfd_perform_relocation (bfd *abfd,
   /* If there is a function supplied to handle this relocation type,
      call it.  It'll return `bfd_reloc_continue' if further processing
      can be done.  */
   /* If there is a function supplied to handle this relocation type,
      call it.  It'll return `bfd_reloc_continue' if further processing
      can be done.  */

-  if (howto->special_function)
+  if (howto && howto->special_function)

     {
       bfd_reloc_status_type cont;
       cont = howto->special_function (abfd, reloc_entry, symbol, data,
     {
       bfd_reloc_status_type cont;
       cont = howto->special_function (abfd, reloc_entry, symbol, data,


@@ -618,6 +608,17 @@ bfd_perform_relocation (bfd *abfd,
        return cont;
     }
 
        return cont;
     }
 

+  if (bfd_is_abs_section (symbol->section)
+      && output_bfd != NULL)
+    {
+      reloc_entry->address += input_section->output_offset;
+      return bfd_reloc_ok;
+    }
+
+  /* PR 17512: file: 0f67f69d.  */
+  if (howto == NULL)
+    return bfd_reloc_undefined;
+

   /* Is the address of the relocation really within the section?
      Include the size of the reloc in the test for out of range addresses.
      PR 17512: file: c146ab8b, 46dff27f, 38e53ebf.  */
   /* Is the address of the relocation really within the section?
      Include the size of the reloc in the test for out of range addresses.
      PR 17512: file: c146ab8b, 46dff27f, 38e53ebf.  */


@@ -981,16 +982,11 @@ bfd_install_relocation (bfd *abfd,
   bfd_byte *data;
 
   symbol = *(reloc_entry->sym_ptr_ptr);
   bfd_byte *data;
 
   symbol = *(reloc_entry->sym_ptr_ptr);

-  if (bfd_is_abs_section (symbol->section))
-    {
-      reloc_entry->address += input_section->output_offset;
-      return bfd_reloc_ok;
-    }

 
   /* If there is a function supplied to handle this relocation type,
      call it.  It'll return `bfd_reloc_continue' if further processing
      can be done.  */
 
   /* If there is a function supplied to handle this relocation type,
      call it.  It'll return `bfd_reloc_continue' if further processing
      can be done.  */

-  if (howto->special_function)
+  if (howto && howto->special_function)

     {
       bfd_reloc_status_type cont;
 
     {
       bfd_reloc_status_type cont;
 


@@ -1005,6 +1001,15 @@ bfd_install_relocation (bfd *abfd,
        return cont;
     }
 
        return cont;
     }
 

+  if (bfd_is_abs_section (symbol->section))
+    {
+      reloc_entry->address += input_section->output_offset;
+      return bfd_reloc_ok;
+    }
+
+  /* No need to check for howto != NULL if !bfd_is_abs_section as
+     it will have been checked in `bfd_perform_relocation already'.  */
+

   /* Is the address of the relocation really within the section?  */
   octets = reloc_entry->address * bfd_octets_per_byte (abfd);
   if (octets + bfd_get_reloc_size (howto)
   /* Is the address of the relocation really within the section?  */
   octets = reloc_entry->address * bfd_octets_per_byte (abfd);
   if (octets + bfd_get_reloc_size (howto)


@@ -1375,7 +1380,8 @@ _bfd_final_link_relocate (reloc_howto_type *howto,
     }
 
   return _bfd_relocate_contents (howto, input_bfd, relocation,
     }
 
   return _bfd_relocate_contents (howto, input_bfd, relocation,

-                                contents + address);
+                                contents
+                                + address * bfd_octets_per_byte (input_bfd));

 }
 
 /* Relocate a given location using a given value and howto.  */
 }
 
 /* Relocate a given location using a given value and howto.  */


@@ -2303,6 +2309,11 @@ ENUMX
 ENUMDOC
   microMIPS PC-relative relocations.
 
 ENUMDOC
   microMIPS PC-relative relocations.
 

+ENUM
+  BFD_RELOC_MIPS16_16_PCREL_S1
+ENUMDOC
+  MIPS16 PC-relative relocation.
+

 ENUM
   BFD_RELOC_MIPS_21_PCREL_S2
 ENUMX
 ENUM
   BFD_RELOC_MIPS_21_PCREL_S2
 ENUMX


@@ -2676,6 +2687,8 @@ ENUMX
   BFD_RELOC_386_TLS_DESC
 ENUMX
   BFD_RELOC_386_IRELATIVE
   BFD_RELOC_386_TLS_DESC
 ENUMX
   BFD_RELOC_386_IRELATIVE

+ENUMX
+  BFD_RELOC_386_GOT32X

 ENUMDOC
   i386/elf relocations
 
 ENUMDOC
   i386/elf relocations
 


@@ -2737,6 +2750,10 @@ ENUMX
   BFD_RELOC_X86_64_PC32_BND
 ENUMX
   BFD_RELOC_X86_64_PLT32_BND
   BFD_RELOC_X86_64_PC32_BND
 ENUMX
   BFD_RELOC_X86_64_PLT32_BND

+ENUMX
+  BFD_RELOC_X86_64_GOTPCRELX
+ENUMX
+  BFD_RELOC_X86_64_REX_GOTPCRELX

 ENUMDOC
   x86-64/elf relocations
 
 ENUMDOC
   x86-64/elf relocations
 


@@ -2883,6 +2900,8 @@ ENUMX
   BFD_RELOC_PPC_VLE_SDAREL_HA16A
 ENUMX
   BFD_RELOC_PPC_VLE_SDAREL_HA16D
   BFD_RELOC_PPC_VLE_SDAREL_HA16A
 ENUMX
   BFD_RELOC_PPC_VLE_SDAREL_HA16D

+ENUMX
+  BFD_RELOC_PPC_REL16DX_HA

 ENUMX
   BFD_RELOC_PPC64_HIGHER
 ENUMX
 ENUMX
   BFD_RELOC_PPC64_HIGHER
 ENUMX


@@ -2935,6 +2954,8 @@ ENUMX
   BFD_RELOC_PPC64_ADDR16_HIGHA
 ENUMX
   BFD_RELOC_PPC64_ADDR64_LOCAL
   BFD_RELOC_PPC64_ADDR16_HIGHA
 ENUMX
   BFD_RELOC_PPC64_ADDR64_LOCAL

+ENUMX
+  BFD_RELOC_PPC64_ENTRY

 ENUMDOC
   Power(rs6000) and PowerPC relocations.
 
 ENUMDOC
   Power(rs6000) and PowerPC relocations.
 


@@ -3261,6 +3282,17 @@ ENUM
 ENUMDOC
   ARM support for STT_GNU_IFUNC.
 
 ENUMDOC
   ARM support for STT_GNU_IFUNC.
 

+ENUM
+  BFD_RELOC_ARM_THUMB_ALU_ABS_G0_NC
+ENUMX
+  BFD_RELOC_ARM_THUMB_ALU_ABS_G1_NC
+ENUMX
+  BFD_RELOC_ARM_THUMB_ALU_ABS_G2_NC
+ENUMX
+  BFD_RELOC_ARM_THUMB_ALU_ABS_G3_NC
+ENUMDOC
+  Thumb1 relocations to support execute-only code.
+

 ENUM
   BFD_RELOC_ARM_IMMEDIATE
 ENUMX
 ENUM
   BFD_RELOC_ARM_IMMEDIATE
 ENUMX


@@ -3515,18 +3547,143 @@ ENUMDOC
   Renesas / SuperH SH relocs.  Not all of these appear in object files.
 
 ENUM
   Renesas / SuperH SH relocs.  Not all of these appear in object files.
 
 ENUM

-  BFD_RELOC_ARC_B22_PCREL
-ENUMDOC
-  ARC Cores relocs.
-  ARC 22 bit pc-relative branch.  The lowest two bits must be zero and are
-  not stored in the instruction.  The high 20 bits are installed in bits 26
-  through 7 of the instruction.
-ENUM
-  BFD_RELOC_ARC_B26
+  BFD_RELOC_ARC_NONE
+ENUMX
+  BFD_RELOC_ARC_8
+ENUMX
+  BFD_RELOC_ARC_16
+ENUMX
+  BFD_RELOC_ARC_24
+ENUMX
+  BFD_RELOC_ARC_32
+ENUMX
+  BFD_RELOC_ARC_N8
+ENUMX
+  BFD_RELOC_ARC_N16
+ENUMX
+  BFD_RELOC_ARC_N24
+ENUMX
+  BFD_RELOC_ARC_N32
+ENUMX
+  BFD_RELOC_ARC_SDA
+ENUMX
+  BFD_RELOC_ARC_SECTOFF
+ENUMX
+  BFD_RELOC_ARC_S21H_PCREL
+ENUMX
+  BFD_RELOC_ARC_S21W_PCREL
+ENUMX
+  BFD_RELOC_ARC_S25H_PCREL
+ENUMX
+  BFD_RELOC_ARC_S25W_PCREL
+ENUMX
+  BFD_RELOC_ARC_SDA32
+ENUMX
+  BFD_RELOC_ARC_SDA_LDST
+ENUMX
+  BFD_RELOC_ARC_SDA_LDST1
+ENUMX
+  BFD_RELOC_ARC_SDA_LDST2
+ENUMX
+  BFD_RELOC_ARC_SDA16_LD
+ENUMX
+  BFD_RELOC_ARC_SDA16_LD1
+ENUMX
+  BFD_RELOC_ARC_SDA16_LD2
+ENUMX
+  BFD_RELOC_ARC_S13_PCREL
+ENUMX
+  BFD_RELOC_ARC_W
+ENUMX
+  BFD_RELOC_ARC_32_ME
+ENUMX
+  BFD_RELOC_ARC_32_ME_S
+ENUMX
+  BFD_RELOC_ARC_N32_ME
+ENUMX
+  BFD_RELOC_ARC_SECTOFF_ME
+ENUMX
+  BFD_RELOC_ARC_SDA32_ME
+ENUMX
+  BFD_RELOC_ARC_W_ME
+ENUMX
+  BFD_RELOC_AC_SECTOFF_U8
+ENUMX
+  BFD_RELOC_AC_SECTOFF_U8_1
+ENUMX
+  BFD_RELOC_AC_SECTOFF_U8_2
+ENUMX
+  BFD_RELOC_AC_SECTOFF_S9
+ENUMX
+  BFD_RELOC_AC_SECTOFF_S9_1
+ENUMX
+  BFD_RELOC_AC_SECTOFF_S9_2
+ENUMX
+  BFD_RELOC_ARC_SECTOFF_ME_1
+ENUMX
+  BFD_RELOC_ARC_SECTOFF_ME_2
+ENUMX
+  BFD_RELOC_ARC_SECTOFF_1
+ENUMX
+  BFD_RELOC_ARC_SECTOFF_2
+ENUMX
+  BFD_RELOC_ARC_SDA_12
+ENUMX
+  BFD_RELOC_ARC_SDA16_ST2
+ENUMX
+  BFD_RELOC_ARC_32_PCREL
+ENUMX
+  BFD_RELOC_ARC_PC32
+ENUMX
+  BFD_RELOC_ARC_GOT32
+ENUMX
+  BFD_RELOC_ARC_GOTPC32
+ENUMX
+  BFD_RELOC_ARC_PLT32
+ENUMX
+  BFD_RELOC_ARC_COPY
+ENUMX
+  BFD_RELOC_ARC_GLOB_DAT
+ENUMX
+  BFD_RELOC_ARC_JMP_SLOT
+ENUMX
+  BFD_RELOC_ARC_RELATIVE
+ENUMX
+  BFD_RELOC_ARC_GOTOFF
+ENUMX
+  BFD_RELOC_ARC_GOTPC
+ENUMX
+  BFD_RELOC_ARC_S21W_PCREL_PLT
+ENUMX
+  BFD_RELOC_ARC_S25H_PCREL_PLT
+ENUMX
+  BFD_RELOC_ARC_TLS_DTPMOD
+ENUMX
+  BFD_RELOC_ARC_TLS_TPOFF
+ENUMX
+  BFD_RELOC_ARC_TLS_GD_GOT
+ENUMX
+  BFD_RELOC_ARC_TLS_GD_LD
+ENUMX
+  BFD_RELOC_ARC_TLS_GD_CALL
+ENUMX
+  BFD_RELOC_ARC_TLS_IE_GOT
+ENUMX
+  BFD_RELOC_ARC_TLS_DTPOFF
+ENUMX
+  BFD_RELOC_ARC_TLS_DTPOFF_S9
+ENUMX
+  BFD_RELOC_ARC_TLS_LE_S9
+ENUMX
+  BFD_RELOC_ARC_TLS_LE_32
+ENUMX
+  BFD_RELOC_ARC_S25W_PCREL_PLT
+ENUMX
+  BFD_RELOC_ARC_S21H_PCREL_PLT
+ENUMX
+  BFD_RELOC_ARC_NPS_CMEM16

 ENUMDOC
 ENUMDOC

-  ARC 26 bit absolute branch.  The lowest two bits must be zero and are not
-  stored in the instruction.  The high 24 bits are installed in bits 23
-  through 0.
+  ARC relocs.

 
 ENUM
   BFD_RELOC_BFIN_16_IMM
 
 ENUM
   BFD_RELOC_BFIN_16_IMM


@@ -6461,6 +6618,14 @@ ENUM
   BFD_RELOC_MACH_O_PAIR
 ENUMDOC
   Pair of relocation.  Contains the first symbol.
   BFD_RELOC_MACH_O_PAIR
 ENUMDOC
   Pair of relocation.  Contains the first symbol.

+ENUM
+  BFD_RELOC_MACH_O_SUBTRACTOR32
+ENUMDOC
+  Symbol will be substracted.  Must be followed by a BFD_RELOC_32.
+ENUM
+  BFD_RELOC_MACH_O_SUBTRACTOR64
+ENUMDOC
+  Symbol will be substracted.  Must be followed by a BFD_RELOC_64.

 
 ENUM
   BFD_RELOC_MACH_O_X86_64_BRANCH32
 
 ENUM
   BFD_RELOC_MACH_O_X86_64_BRANCH32


@@ -6478,14 +6643,6 @@ ENUM
 ENUMDOC
   Used when loading a GOT entry with movq.  It is specially marked so that
   the linker could optimize the movq to a leaq if possible.
 ENUMDOC
   Used when loading a GOT entry with movq.  It is specially marked so that
   the linker could optimize the movq to a leaq if possible.

-ENUM
-  BFD_RELOC_MACH_O_X86_64_SUBTRACTOR32
-ENUMDOC
-  Symbol will be substracted.  Must be followed by a BFD_RELOC_64.
-ENUM
-  BFD_RELOC_MACH_O_X86_64_SUBTRACTOR64
-ENUMDOC
-  Symbol will be substracted.  Must be followed by a BFD_RELOC_64.

 ENUM
   BFD_RELOC_MACH_O_X86_64_PCREL32_1
 ENUMDOC
 ENUM
   BFD_RELOC_MACH_O_X86_64_PCREL32_1
 ENUMDOC


@@ -6499,6 +6656,24 @@ ENUM
 ENUMDOC
   Same as BFD_RELOC_32_PCREL but with an implicit -4 addend.
 
 ENUMDOC
   Same as BFD_RELOC_32_PCREL but with an implicit -4 addend.
 

+
+ENUM
+  BFD_RELOC_MACH_O_ARM64_ADDEND
+ENUMDOC
+  Addend for PAGE or PAGEOFF.
+ENUM
+  BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGE21
+ENUMDOC
+  Relative offset to page of GOT slot.
+ENUM
+  BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGEOFF12
+ENUMDOC
+  Relative offset within page of GOT slot.
+ENUM
+  BFD_RELOC_MACH_O_ARM64_POINTER_TO_GOT
+ENUMDOC
+  Address of a GOT entry.
+

 ENUM
   BFD_RELOC_MICROBLAZE_32_LO
 ENUMDOC
 ENUM
   BFD_RELOC_MICROBLAZE_32_LO
 ENUMDOC


@@ -6612,6 +6787,10 @@ ENUMDOC
   relocation enumerators.  N.B. the order of the enumerators is
   important as several tables in the AArch64 bfd backend are indexed
   by these enumerators; make sure they are all synced.
   relocation enumerators.  N.B. the order of the enumerators is
   important as several tables in the AArch64 bfd backend are indexed
   by these enumerators; make sure they are all synced.

+ENUM
+  BFD_RELOC_AARCH64_NULL
+ENUMDOC
+  Deprecated AArch64 null relocation code.

 ENUM
   BFD_RELOC_AARCH64_NONE
 ENUMDOC
 ENUM
   BFD_RELOC_AARCH64_NONE
 ENUMDOC


@@ -7779,6 +7958,7 @@ bfd_generic_get_relocated_section_contents (bfd *abfd,
   if (reloc_count > 0)
     {
       arelent **parent;
   if (reloc_count > 0)
     {
       arelent **parent;

+

       for (parent = reloc_vector; *parent != NULL; parent++)
        {
          char *error_message = NULL;
       for (parent = reloc_vector; *parent != NULL; parent++)
        {
          char *error_message = NULL;


@@ -7786,6 +7966,16 @@ bfd_generic_get_relocated_section_contents (bfd *abfd,
          bfd_reloc_status_type r;
 
          symbol = *(*parent)->sym_ptr_ptr;
          bfd_reloc_status_type r;
 
          symbol = *(*parent)->sym_ptr_ptr;

+         /* PR ld/19628: A specially crafted input file
+            can result in a NULL symbol pointer here.  */
+         if (symbol == NULL)
+           {
+             link_info->callbacks->einfo
+               (_("%X%P: %B(%A): error: relocation for offset %V has no value\n"),
+                abfd, input_section, (* parent)->address);
+             goto error_return;
+           }
+

          if (symbol->section && discarded_section (symbol->section))
            {
              bfd_byte *p;
          if (symbol->section && discarded_section (symbol->section))
            {
              bfd_byte *p;


@@ -7823,26 +8013,22 @@ bfd_generic_get_relocated_section_contents (bfd *abfd,
              switch (r)
                {
                case bfd_reloc_undefined:
              switch (r)
                {
                case bfd_reloc_undefined:

-                 if (!((*link_info->callbacks->undefined_symbol)
-                       (link_info, bfd_asymbol_name (*(*parent)->sym_ptr_ptr),
-                        input_bfd, input_section, (*parent)->address,
-                        TRUE)))
-                   goto error_return;
+                 (*link_info->callbacks->undefined_symbol)
+                   (link_info, bfd_asymbol_name (*(*parent)->sym_ptr_ptr),
+                    input_bfd, input_section, (*parent)->address, TRUE);

                  break;
                case bfd_reloc_dangerous:
                  BFD_ASSERT (error_message != NULL);
                  break;
                case bfd_reloc_dangerous:
                  BFD_ASSERT (error_message != NULL);

-                 if (!((*link_info->callbacks->reloc_dangerous)
-                       (link_info, error_message, input_bfd, input_section,
-                        (*parent)->address)))
-                   goto error_return;
+                 (*link_info->callbacks->reloc_dangerous)
+                   (link_info, error_message,
+                    input_bfd, input_section, (*parent)->address);

                  break;
                case bfd_reloc_overflow:
                  break;
                case bfd_reloc_overflow:

-                 if (!((*link_info->callbacks->reloc_overflow)
-                       (link_info, NULL,
-                        bfd_asymbol_name (*(*parent)->sym_ptr_ptr),
-                        (*parent)->howto->name, (*parent)->addend,
-                        input_bfd, input_section, (*parent)->address)))
-                   goto error_return;
+                 (*link_info->callbacks->reloc_overflow)
+                   (link_info, NULL,
+                    bfd_asymbol_name (*(*parent)->sym_ptr_ptr),
+                    (*parent)->howto->name, (*parent)->addend,
+                    input_bfd, input_section, (*parent)->address);

                  break;
                case bfd_reloc_outofrange:
                  /* PR ld/13730:
                  break;
                case bfd_reloc_outofrange:
                  /* PR ld/13730: