2010-09-22 Kai Tietz <kai.tietz@onevision.com>

        * coffcode.h (sec_to_styp_flags): Adjust debug
        sections to be conform to pe-coff specification
        and avoid marking them as excluded.
        (styp_to_sec_flags): Doing reverse mapping.

1 files changed, 31 insertions, 14 deletions

diff --git a/bfd/coffcode.h b/bfd/coffcode.h
index 790908a..ff69704 100644
--- a/bfd/coffcode.h
+++ b/bfd/coffcode.h
@@ -636,6 +636,14 @@ static long
 sec_to_styp_flags (const char *sec_name, flagword sec_flags)
 {
   long styp_flags = 0;
+  bfd_boolean is_dbg = FALSE;
+
+  if (CONST_STRNEQ (sec_name, DOT_DEBUG)
+#ifdef COFF_LONG_SECTION_NAMES
+      || CONST_STRNEQ (sec_name, GNU_LINKONCE_WI)
+#endif
+      || CONST_STRNEQ (sec_name, ".stab"))
+    is_dbg = TRUE;
 
   /* caution: there are at least three groups of symbols that have
      very similar bits and meanings: IMAGE_SCN*, SEC_*, and STYP_*.
@@ -646,16 +654,15 @@ sec_to_styp_flags (const char *sec_name, flagword sec_flags)
      but there are more IMAGE_SCN_* flags.  */
 
   /* FIXME: There is no gas syntax to specify the debug section flag.  */
-  if (CONST_STRNEQ (sec_name, DOT_DEBUG)
-      || CONST_STRNEQ (sec_name, GNU_LINKONCE_WI))
-    sec_flags = SEC_DEBUGGING | SEC_READONLY;
+  if (is_dbg)
+      sec_flags = SEC_DEBUGGING | SEC_READONLY;
 
   /* skip LOAD */
   /* READONLY later */
   /* skip RELOC */
   if ((sec_flags & SEC_CODE) != 0)
     styp_flags |= IMAGE_SCN_CNT_CODE;
-  if ((sec_flags & SEC_DATA) != 0)
+  if ((sec_flags & (SEC_DATA | SEC_DEBUGGING)) != 0)
     styp_flags |= IMAGE_SCN_CNT_INITIALIZED_DATA;
   if ((sec_flags & SEC_ALLOC) != 0 && (sec_flags & SEC_LOAD) == 0)
     styp_flags |= IMAGE_SCN_CNT_UNINITIALIZED_DATA;  /* ==STYP_BSS */
@@ -666,9 +673,9 @@ sec_to_styp_flags (const char *sec_name, flagword sec_flags)
     styp_flags |= IMAGE_SCN_LNK_COMDAT;
   if ((sec_flags & SEC_DEBUGGING) != 0)
     styp_flags |= IMAGE_SCN_MEM_DISCARDABLE;
-  if ((sec_flags & SEC_EXCLUDE) != 0)
+  if ((sec_flags & SEC_EXCLUDE) != 0 && !is_dbg)
     styp_flags |= IMAGE_SCN_LNK_REMOVE;
-  if ((sec_flags & SEC_NEVER_LOAD) != 0)
+  if ((sec_flags & SEC_NEVER_LOAD) != 0 && !is_dbg)
     styp_flags |= IMAGE_SCN_LNK_REMOVE;
   /* skip IN_MEMORY */
   /* skip SORT */
@@ -1120,7 +1127,14 @@ styp_to_sec_flags (bfd *abfd,
   long styp_flags = internal_s->s_flags;
   flagword sec_flags;
   bfd_boolean result = TRUE;
+  bfd_boolean is_dbg = FALSE;
 
+  if (CONST_STRNEQ (name, DOT_DEBUG)
+#ifdef COFF_LONG_SECTION_NAMES
+      || CONST_STRNEQ (name, GNU_LINKONCE_WI)
+#endif
+      || CONST_STRNEQ (name, ".stab"))
+    is_dbg = TRUE;
   /* Assume read only unless IMAGE_SCN_MEM_WRITE is specified.  */
   sec_flags = SEC_READONLY;
 
@@ -1190,27 +1204,30 @@ styp_to_sec_flags (bfd *abfd,
 	     mean that a given section contains debug information.  Thus
 	     we only set the SEC_DEBUGGING flag on sections that we
 	     recognise as containing debug information.  */
-	     if (CONST_STRNEQ (name, DOT_DEBUG)
+	     if (is_dbg
 #ifdef _COMMENT
 	      || strcmp (name, _COMMENT) == 0
 #endif
-#ifdef COFF_LONG_SECTION_NAMES
-  	      || CONST_STRNEQ (name, GNU_LINKONCE_WI)
-#endif
-	      || CONST_STRNEQ (name, ".stab"))
-	    sec_flags |= SEC_DEBUGGING;
+	      )
+	    {
+	      sec_flags |= SEC_DEBUGGING | SEC_READONLY;
+	    }
 	  break;
 	case IMAGE_SCN_MEM_SHARED:
 	  sec_flags |= SEC_COFF_SHARED;
 	  break;
 	case IMAGE_SCN_LNK_REMOVE:
-	  sec_flags |= SEC_EXCLUDE;
+	  if (!is_dbg)
+	    sec_flags |= SEC_EXCLUDE;
 	  break;
 	case IMAGE_SCN_CNT_CODE:
 	  sec_flags |= SEC_CODE | SEC_ALLOC | SEC_LOAD;
 	  break;
 	case IMAGE_SCN_CNT_INITIALIZED_DATA:
-	  sec_flags |= SEC_DATA | SEC_ALLOC | SEC_LOAD;
+	  if (is_dbg)
+	    sec_flags |= SEC_DEBUGGING;
+	  else
+	    sec_flags |= SEC_DATA | SEC_ALLOC | SEC_LOAD;
 	  break;
 	case IMAGE_SCN_CNT_UNINITIALIZED_DATA:
 	  sec_flags |= SEC_ALLOC;