From 3d875af5759b6ac3d0a722ce8b598426c26bf46c Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Mon, 11 May 2015 10:41:00 -0700
Subject: [PATCH] Add init_dwarf_regnames_iamcu

	* dwarf.c (dwarf_regnames_iamcu): New.
	(init_dwarf_regnames_iamcu): Likewise.
	(init_dwarf_regnames): Call init_dwarf_regnames_iamcu for EM_IAMCU.
	* dwarf.h (init_dwarf_regnames_iamcu): New.
	* objdump.c (dump_dwarf): Call init_dwarf_regnames_iamcu for
	bfd_arch_iamcu.
---
 binutils/ChangeLog |  9 +++++++++
 binutils/dwarf.c   | 33 ++++++++++++++++++++++++++++++++-
 binutils/dwarf.h   |  1 +
 binutils/objdump.c |  4 ++++
 4 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 70b9aaea50c..45c0bfd780e 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,12 @@
+2015-05-11  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* dwarf.c (dwarf_regnames_iamcu): New.
+	(init_dwarf_regnames_iamcu): Likewise.
+	(init_dwarf_regnames): Call init_dwarf_regnames_iamcu for EM_IAMCU.
+	* dwarf.h (init_dwarf_regnames_iamcu): New.
+	* objdump.c (dump_dwarf): Call init_dwarf_regnames_iamcu for
+	bfd_arch_iamcu.
+
 2015-05-11  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* elfedit.c (enum elfclass): New.
diff --git a/binutils/dwarf.c b/binutils/dwarf.c
index 5f773bb51d4..96d959af847 100644
--- a/binutils/dwarf.c
+++ b/binutils/dwarf.c
@@ -5338,6 +5338,27 @@ static const char *const dwarf_regnames_i386[] =
   "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7"  /* 93 - 100  */
 };
 
+static const char *const dwarf_regnames_iamcu[] =
+{
+  "eax", "ecx", "edx", "ebx",			  /* 0 - 3  */
+  "esp", "ebp", "esi", "edi",			  /* 4 - 7  */
+  "eip", "eflags", NULL,			  /* 8 - 10  */
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 11 - 18  */
+  NULL, NULL,					  /* 19 - 20  */
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 21 - 28  */
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 29 - 36  */
+  NULL, NULL, NULL,				  /* 37 - 39  */
+  "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47  */
+  "tr", "ldtr",					  /* 48 - 49  */
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57  */
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65  */
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73  */
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81  */
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89  */
+  NULL, NULL, NULL,				  /* 90 - 92  */
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL  /* 93 - 100  */
+};
+
 void
 init_dwarf_regnames_i386 (void)
 {
@@ -5345,6 +5366,13 @@ init_dwarf_regnames_i386 (void)
   dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386);
 }
 
+void
+init_dwarf_regnames_iamcu (void)
+{
+  dwarf_regnames = dwarf_regnames_iamcu;
+  dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_iamcu);
+}
+
 static const char *const dwarf_regnames_x86_64[] =
 {
   "rax", "rdx", "rcx", "rbx",
@@ -5413,10 +5441,13 @@ init_dwarf_regnames (unsigned int e_machine)
   switch (e_machine)
     {
     case EM_386:
-    case EM_IAMCU:
       init_dwarf_regnames_i386 ();
       break;
 
+    case EM_IAMCU:
+      init_dwarf_regnames_iamcu ();
+      break;
+
     case EM_X86_64:
     case EM_L1OM:
     case EM_K1OM:
diff --git a/binutils/dwarf.h b/binutils/dwarf.h
index 45f99277dbf..0e661d469f0 100644
--- a/binutils/dwarf.h
+++ b/binutils/dwarf.h
@@ -196,6 +196,7 @@ extern int dwarf_check;
 
 extern void init_dwarf_regnames (unsigned int);
 extern void init_dwarf_regnames_i386 (void);
+extern void init_dwarf_regnames_iamcu (void);
 extern void init_dwarf_regnames_x86_64 (void);
 extern void init_dwarf_regnames_aarch64 (void);
 
diff --git a/binutils/objdump.c b/binutils/objdump.c
index f690293d58c..f87c9c3a8ac 100644
--- a/binutils/objdump.c
+++ b/binutils/objdump.c
@@ -2449,6 +2449,10 @@ dump_dwarf (bfd *abfd)
 	}
       break;
 
+    case bfd_arch_iamcu:
+      init_dwarf_regnames_iamcu ();
+      break;
+
     case bfd_arch_aarch64:
       init_dwarf_regnames_aarch64();
       break;
-- 
2.30.2