* readelf.c (is_32bit_pcrel_reloc): Fix hppa entry.

        (is_64bit_pcrel_reloc): New.
        (debug_apply_relocations): Use it.  Handle hppa pcrel bias.

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 3fed91614079c5c7c48cbd20c43a902497a9fabf..492a67c4053b9c6e15cb0db724d06001a8909b6c 100644 (file)
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,9 @@
+2008-08-21  Richard Henderson  <rth@redhat.com>
+
+       * readelf.c (is_32bit_pcrel_reloc): Fix hppa entry.
+       (is_64bit_pcrel_reloc): New.
+       (debug_apply_relocations): Use it.  Handle hppa pcrel bias.
+
 2008-08-15  Alan Modra  <amodra@bigpond.net.au>
 
        PR 6526

diff --git a/binutils/readelf.c b/binutils/readelf.c
index 609edc6f88bc1faabc4f536c89c3598a465b1496..ea48ba1d402c60631a5b023ef7ea046b9b1a5df3 100644 (file)
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -8156,7 +8156,7 @@ is_32bit_pcrel_reloc (unsigned int reloc_type)
     case EM_ARM:
       return reloc_type == 3;  /* R_ARM_REL32 */
     case EM_PARISC:
-      return reloc_type == 0;  /* R_PARISC_NONE.  *//* FIXME: This reloc is generated, but it may be a bug.  */
+      return reloc_type == 9;  /* R_PARISC_PCREL32.  */
     case EM_PPC:
       return reloc_type == 26; /* R_PPC_REL32.  */
     case EM_PPC64:
@@ -8219,6 +8219,36 @@ is_64bit_abs_reloc (unsigned int reloc_type)
     }
 }
 
+/* Like is_32bit_pcrel_reloc except that it returns TRUE iff RELOC_TYPE is
+   a 64-bit pc-relative RELA relocation used in DWARF debug sections.  */
+
+static bfd_boolean
+is_64bit_pcrel_reloc (unsigned int reloc_type)
+{
+  switch (elf_header.e_machine)
+    {
+    case EM_ALPHA:
+      return reloc_type == 11; /* R_ALPHA_SREL64 */
+    case EM_IA_64:
+      return reloc_type == 0x4f; /* R_IA64_PCREL64LSB */
+    case EM_PARISC:
+      return reloc_type == 72; /* R_PARISC_PCREL64 */
+    case EM_PPC64:
+      return reloc_type == 44; /* R_PPC64_REL64 */
+    case EM_SPARC32PLUS:
+    case EM_SPARCV9:
+    case EM_SPARC:
+      return reloc_type == 46; /* R_SPARC_DISP64 */
+    case EM_X86_64:
+      return reloc_type == 24; /* R_X86_64_PC64 */
+    case EM_S390_OLD:
+    case EM_S390:
+      return reloc_type == 23; /* R_S390_PC64 */
+    default:
+      return FALSE;
+    }
+}
+
 /* Like is_32bit_abs_reloc except that it returns TRUE iff RELOC_TYPE is
    a 16-bit absolute RELA relocation used in DWARF debug sections.  */
 
@@ -8392,7 +8422,8 @@ debug_apply_relocations (void *file,
          if (is_32bit_abs_reloc (reloc_type)
              || is_32bit_pcrel_reloc (reloc_type))
            reloc_size = 4;
-         else if (is_64bit_abs_reloc (reloc_type))
+         else if (is_64bit_abs_reloc (reloc_type)
+                  || is_64bit_pcrel_reloc (reloc_type))
            reloc_size = 8;
          else if (is_16bit_abs_reloc (reloc_type))
            reloc_size = 2;
@@ -8436,9 +8467,15 @@ debug_apply_relocations (void *file,
 
          addend = is_rela ? rp->r_addend : byte_get (loc, reloc_size);
          
-         if (is_32bit_pcrel_reloc (reloc_type))
-           byte_put (loc, (addend + sym->st_value) - rp->r_offset,
-                     reloc_size);
+         if (is_32bit_pcrel_reloc (reloc_type)
+             || is_64bit_pcrel_reloc (reloc_type))
+           {
+             /* On HPPA, all pc-relative relocations are biased by 8.  */
+             if (elf_header.e_machine == EM_PARISC)
+               addend -= 8;
+             byte_put (loc, (addend + sym->st_value) - rp->r_offset,
+                       reloc_size);
+           }
          else
            byte_put (loc, addend + sym->st_value, reloc_size);
        }