From: Nick Clifton <nickc@redhat.com>
Date: Thu, 13 May 2004 14:41:18 +0000 (+0000)
Subject: Handle dwarf3 format CIE entries.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0da76f83eb29135ae1bd52ba5962721fb1d0c6fc;p=binutils-gdb.git

Handle dwarf3 format CIE entries.
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 7465e468115..1c91d5dc11a 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2004-05-13  Paul Brook  <paul@codesourcery.com>
+
+	* eh-frame.c (_bfd_elf_discard_section_eh_frame): Handle dwarf3
+	format CIE entries.
+
 2004-05-13  Joel Sherrill <joel@oarcorp.com>
 
 	* config.bfd (or32-*-rtems*): Switch to elf.
diff --git a/bfd/elf-eh-frame.c b/bfd/elf-eh-frame.c
index d3777b44118..7608e77649f 100644
--- a/bfd/elf-eh-frame.c
+++ b/bfd/elf-eh-frame.c
@@ -1,5 +1,5 @@
 /* .eh_frame section optimization.
-   Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
+   Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
    Written by Jakub Jelinek <jakub@redhat.com>.
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -410,7 +410,7 @@ _bfd_elf_discard_section_eh_frame
 	  cie.version = *buf++;
 
 	  /* Cannot handle unknown versions.  */
-	  if (cie.version != 1)
+	  if (cie.version != 1 && cie.version != 3)
 	    goto free_no_table;
 	  if (strlen (buf) > sizeof (cie.augmentation) - 1)
 	    goto free_no_table;
@@ -434,7 +434,10 @@ _bfd_elf_discard_section_eh_frame
 	     ports this will not matter as the value will be less than 128.
 	     For the others (eg FRV, SH, MMIX, IA64) they need a fixed GCC
 	     which conforms to the DWARF3 standard.  */
-	  read_uleb128 (cie.ra_column, buf);
+	  if (cie.version == 1)
+	    cie.ra_column = *buf++;
+	  else
+	    read_uleb128 (cie.ra_column, buf);
 	  ENSURE_NO_RELOCS (buf);
 	  cie.lsda_encoding = DW_EH_PE_omit;
 	  cie.fde_encoding = DW_EH_PE_omit;
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 0dec4fe2782..0cbdf4ba28f 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,8 @@
+2004-05-13  Paul Brook  <paul@codesourcery.com>
+
+	* readelf.c (display_debug_frames): Handle dwarf3 format CIE
+	entries.
+
 2004-05-13  Nick Clifton  <nickc@redhat.com>
 
 	* po/fr.po: Updated French translation.
diff --git a/binutils/readelf.c b/binutils/readelf.c
index 1c4e57dcb85..569c7f23794 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -1,5 +1,5 @@
 /* readelf.c -- display contents of an ELF format file
-   Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+   Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
 
    Originally developed by Eric Youngdale <eric@andante.jic.com>
    Modifications by Nick Clifton <nickc@redhat.com>
@@ -8968,7 +8968,14 @@ display_debug_frames (Elf_Internal_Shdr *section,
 	    {
 	      fc->code_factor = LEB ();
 	      fc->data_factor = SLEB ();
-	      fc->ra = byte_get (start, 1); start += 1;
+	      if (version == 1)
+		{
+		  fc->ra = GET (1);
+		}
+	      else
+		{
+		  fc->ra = LEB ();
+		}
 	      augmentation_data_len = LEB ();
 	      augmentation_data = start;
 	      start += augmentation_data_len;
@@ -8978,13 +8985,27 @@ display_debug_frames (Elf_Internal_Shdr *section,
 	      start += addr_size;
 	      fc->code_factor = LEB ();
 	      fc->data_factor = SLEB ();
-	      fc->ra = byte_get (start, 1); start += 1;
+	      if (version == 1)
+		{
+		  fc->ra = GET (1);
+		}
+	      else
+		{
+		  fc->ra = LEB ();
+		}
 	    }
 	  else
 	    {
 	      fc->code_factor = LEB ();
 	      fc->data_factor = SLEB ();
-	      fc->ra = byte_get (start, 1); start += 1;
+	      if (version == 1)
+		{
+		  fc->ra = GET (1);
+		}
+	      else
+		{
+		  fc->ra = LEB ();
+		}
 	    }
 	  cie = fc;
 
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 93b930d6424..eec43a82179 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,7 @@
+2004-05-13  Paul Brook  <paul@codesourcery.com>
+
+	* dw2gencfi.c (output_cie):  Handle dwarf3 format CIE entries.
+
 2004-05-13  Joel Sherrill <joel@oarcorp.com>
 
 	* configure.in (or32-*-rtems*): Switch to elf.
diff --git a/gas/dw2gencfi.c b/gas/dw2gencfi.c
index ff0aa35353d..05d7e3d60f7 100644
--- a/gas/dw2gencfi.c
+++ b/gas/dw2gencfi.c
@@ -845,7 +845,10 @@ output_cie (struct cie_entry *cie)
   out_one (0);
   out_uleb128 (DWARF2_LINE_MIN_INSN_LENGTH);	/* Code alignment */
   out_sleb128 (DWARF2_CIE_DATA_ALIGNMENT);	/* Data alignment */
-  out_one (cie->return_column);			/* Return column */
+  if (DW_CIE_VERSION == 1)			/* Return column.  */
+    out_one (cie->return_column);
+  else
+    out_uleb128 (cie->return_column);
   out_uleb128 (1);				/* Augmentation size */
 #if defined DIFF_EXPR_OK || defined tc_cfi_emit_pcrel_expr
   out_one (DW_EH_PE_pcrel | DW_EH_PE_sdata4);