* config/tc-v850.c (CHECK_): Remove token pasting operator.

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

diff --git a/bfd/elf32-arc.c b/bfd/elf32-arc.c
index 82b610435fa07be17d269e7091983457f1360692..ff5c5f4718933d7b7d1db1033287dfd505fa8cb4 100644 (file)
--- a/bfd/elf32-arc.c
+++ b/bfd/elf32-arc.c
@@ -23,6 +23,7 @@
 #include "libbfd.h"
 #include "elf-bfd.h"
 #include "elf/arc.h"
+#include "libiberty.h"
 
 static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
   PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
@@ -32,6 +33,8 @@ static boolean arc_elf_object_p
   PARAMS ((bfd *));
 static void arc_elf_final_write_processing
   PARAMS ((bfd *, boolean));
+static bfd_reloc_status_type arc_elf_b22_pcrel
+  PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
 
 /* Try to minimize the amount of space occupied by relocation tables
    on the ROM (not that the ROM won't be swamped by other ELF overhead).  */
@@ -50,7 +53,7 @@ static reloc_howto_type elf_arc_howto_table[] =
         complain_overflow_bitfield, /* complain_on_overflow  */
         bfd_elf_generic_reloc, /* special_function  */
         "R_ARC_NONE",          /* name  */
-        false,                 /* partial_inplace  */
+        true,                  /* partial_inplace  */
         0,                     /* src_mask  */
         0,                     /* dst_mask  */
         false),                /* pcrel_offset  */
@@ -65,7 +68,7 @@ static reloc_howto_type elf_arc_howto_table[] =
         complain_overflow_bitfield, /* complain_on_overflow  */
         bfd_elf_generic_reloc, /* special_function  */
         "R_ARC_32",            /* name  */
-        false,                 /* partial_inplace  */
+        true,                  /* partial_inplace  */
         0xffffffff,            /* src_mask  */
         0xffffffff,            /* dst_mask  */
         false),                /* pcrel_offset  */
@@ -80,7 +83,7 @@ static reloc_howto_type elf_arc_howto_table[] =
         complain_overflow_bitfield, /* complain_on_overflow  */
         bfd_elf_generic_reloc, /* special_function  */
         "R_ARC_B26",           /* name  */
-        false,                 /* partial_inplace  */
+        true,                  /* partial_inplace  */
         0x00ffffff,            /* src_mask  */
         0x00ffffff,            /* dst_mask  */
         false),                /* pcrel_offset  */
@@ -93,13 +96,12 @@ static reloc_howto_type elf_arc_howto_table[] =
         true,                  /* pc_relative  */
         7,                     /* bitpos  */
         complain_overflow_signed, /* complain_on_overflow  */
-        bfd_elf_generic_reloc, /* special_function  */
+        arc_elf_b22_pcrel,     /* special_function  */
         "R_ARC_B22_PCREL",     /* name  */
-        false,                 /* partial_inplace  */
+        true,                  /* partial_inplace  */
         0x07ffff80,            /* src_mask  */
         0x07ffff80,            /* dst_mask  */
-        true),                 /* pcrel_offset  */
-
+        false),                /* pcrel_offset  */
 };
 
 /* Map BFD reloc types to ARC ELF reloc types.  */
@@ -126,11 +128,10 @@ bfd_elf32_bfd_reloc_type_lookup (abfd, code)
 {
   unsigned int i;
 
-  for (i = 0; i < sizeof (arc_reloc_map) / sizeof (struct arc_reloc_map); i++)
-    {
-      if (arc_reloc_map[i].bfd_reloc_val == code)
-       return &elf_arc_howto_table[arc_reloc_map[i].elf_reloc_val];
-    }
+  for (i = ARRAY_SIZE (arc_reloc_map); i--;)
+    if (arc_reloc_map[i].bfd_reloc_val == code)
+      return elf_arc_howto_table + arc_reloc_map[i].elf_reloc_val;
+
   return NULL;
 }
 
@@ -155,7 +156,7 @@ static boolean
 arc_elf_object_p (abfd)
      bfd *abfd;
 {
-  int mach = bfd_mach_arc_6;
+  unsigned int mach = bfd_mach_arc_6;
 
   if (elf_elfheader(abfd)->e_machine == EM_ARC)
     {
@@ -207,11 +208,34 @@ arc_elf_final_write_processing (abfd, linker)
       val = E_ARC_MACH_ARC8;
       break;
     }
-  elf_elfheader (abfd)->e_machine = EM_ARC;
   elf_elfheader (abfd)->e_flags &=~ EF_ARC_MACH;
   elf_elfheader (abfd)->e_flags |= val;
 }
 
+bfd_reloc_status_type
+arc_elf_b22_pcrel (abfd, reloc_entry, symbol, data, input_section,
+                  output_bfd, error_message)
+     bfd * abfd;
+     arelent * reloc_entry;
+     asymbol * symbol;
+     PTR data;
+     asection * input_section;
+     bfd * output_bfd;
+     char ** error_message;
+{
+  /* If linking, back up the final symbol address by the address of the
+     reloc.  This cannot be accomplished by setting the pcrel_offset
+     field to true, as bfd_install_relocation will detect this and refuse
+     to install the offset in the first place, but bfd_perform_relocation
+     will still insist on removing it.  */
+  if (output_bfd == (bfd *) NULL)
+    reloc_entry->addend -= reloc_entry->address;
+
+  /* Fall through to the default elf reloc handler.  */
+  return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
+                               input_section, output_bfd, error_message);
+}
+
 #define TARGET_LITTLE_SYM bfd_elf32_littlearc_vec
 #define TARGET_LITTLE_NAME "elf32-littlearc"
 #define TARGET_BIG_SYM bfd_elf32_bigarc_vec