From e7dff39cb0b710a1620a883dd0d683d902348853 Mon Sep 17 00:00:00 2001
From: Nick Clifton <nickc@redhat.com>
Date: Mon, 13 Aug 2012 14:52:30 +0000
Subject: Add support for 64-bit ARM architecture: AArch64

---
 binutils/readelf.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

(limited to 'binutils/readelf.c')

diff --git a/binutils/readelf.c b/binutils/readelf.c
index e6f2be6b0d..5423c7fa25 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -91,6 +91,7 @@
 
 #define RELOC_MACROS_GEN_FUNC
 
+#include "elf/aarch64.h"
 #include "elf/alpha.h"
 #include "elf/arc.h"
 #include "elf/arm.h"
@@ -551,6 +552,7 @@ guess_is_rela (unsigned int e_machine)
       /* Targets that use RELA relocations.  */
     case EM_68K:
     case EM_860:
+    case EM_AARCH64:
     case EM_ADAPTEVA_EPIPHANY:
     case EM_ALPHA:
     case EM_ALTERA_NIOS2:
@@ -983,6 +985,10 @@ dump_relocations (FILE * file,
 	  rtype = NULL;
 	  break;
 
+	case EM_AARCH64:
+	  rtype = elf_aarch64_reloc_type (type);
+	  break;
+
 	case EM_M32R:
 	case EM_CYGNUS_M32R:
 	  rtype = elf_m32r_reloc_type (type);
@@ -1830,6 +1836,7 @@ get_machine_name (unsigned e_machine)
   switch (e_machine)
     {
     case EM_NONE:		return _("None");
+    case EM_AARCH64:		return "AArch64";
     case EM_M32:		return "WE32100";
     case EM_SPARC:		return "Sparc";
     case EM_SPU:		return "SPU";
@@ -2694,6 +2701,20 @@ get_osabi_name (unsigned int osabi)
     }
 }
 
+static const char *
+get_aarch64_segment_type (unsigned long type)
+{
+  switch (type)
+    {
+    case PT_AARCH64_ARCHEXT:
+      return "AARCH64_ARCHEXT";
+    default:
+      break;
+    }
+
+  return NULL;
+}
+
 static const char *
 get_arm_segment_type (unsigned long type)
 {
@@ -2816,6 +2837,9 @@ get_segment_type (unsigned long p_type)
 
 	  switch (elf_header.e_machine)
 	    {
+	    case EM_AARCH64:
+	      result = get_aarch64_segment_type (p_type);
+	      break;
 	    case EM_ARM:
 	      result = get_arm_segment_type (p_type);
 	      break;
@@ -2976,6 +3000,19 @@ get_x86_64_section_type_name (unsigned int sh_type)
   return NULL;
 }
 
+static const char *
+get_aarch64_section_type_name (unsigned int sh_type)
+{
+  switch (sh_type)
+    {
+    case SHT_AARCH64_ATTRIBUTES:
+      return "AARCH64_ATTRIBUTES";
+    default:
+      break;
+    }
+  return NULL;
+}
+
 static const char *
 get_arm_section_type_name (unsigned int sh_type)
 {
@@ -3075,6 +3112,9 @@ get_section_type_name (unsigned int sh_type)
 	    case EM_K1OM:
 	      result = get_x86_64_section_type_name (sh_type);
 	      break;
+	    case EM_AARCH64:
+	      result = get_aarch64_section_type_name (sh_type);
+	      break;
 	    case EM_ARM:
 	      result = get_arm_section_type_name (sh_type);
 	      break;
@@ -9770,6 +9810,8 @@ is_32bit_abs_reloc (unsigned int reloc_type)
       return reloc_type == 1; /* R_860_32.  */
     case EM_960:
       return reloc_type == 2; /* R_960_32.  */
+    case EM_AARCH64:
+      return reloc_type == 258; /* R_AARCH64_ABS32 */
     case EM_ALPHA:
       return reloc_type == 1; /* R_ALPHA_REFLONG.  */
     case EM_ARC:
@@ -9924,6 +9966,8 @@ is_32bit_pcrel_reloc (unsigned int reloc_type)
       return reloc_type == 2;  /* R_386_PC32.  */
     case EM_68K:
       return reloc_type == 4;  /* R_68K_PC32.  */
+    case EM_AARCH64:
+      return reloc_type == 261; /* R_AARCH64_PREL32 */
     case EM_ADAPTEVA_EPIPHANY:
       return reloc_type == 6;
     case EM_ALPHA:
@@ -9978,6 +10022,8 @@ is_64bit_abs_reloc (unsigned int reloc_type)
 {
   switch (elf_header.e_machine)
     {
+    case EM_AARCH64:
+      return reloc_type == 257;	/* R_AARCH64_ABS64.  */
     case EM_ALPHA:
       return reloc_type == 2; /* R_ALPHA_REFQUAD.  */
     case EM_IA_64:
@@ -10014,6 +10060,8 @@ is_64bit_pcrel_reloc (unsigned int reloc_type)
 {
   switch (elf_header.e_machine)
     {
+    case EM_AARCH64:
+      return reloc_type == 260;	/* R_AARCH64_PREL64.  */
     case EM_ALPHA:
       return reloc_type == 11; /* R_ALPHA_SREL64.  */
     case EM_IA_64:
@@ -10143,6 +10191,8 @@ is_none_reloc (unsigned int reloc_type)
     case EM_XC16X:
     case EM_C166:    /* R_XC16X_NONE.  */
       return reloc_type == 0;
+    case EM_AARCH64:
+      return reloc_type == 0 || reloc_type == 256;
     case EM_XTENSA_OLD:
     case EM_XTENSA:
       return (reloc_type == 0      /* R_XTENSA_NONE.  */
-- 
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