From e30e85c727c9796eaaf18475809f06927a2ba846 Mon Sep 17 00:00:00 2001
From: Lubomir Rintel <lkundrak@v3.sk>
Date: Wed, 25 Aug 2010 23:36:42 +0200
Subject: Add size/objdump support for v7

---
 ld/objdump86.c | 103 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)

(limited to 'ld')

diff --git a/ld/objdump86.c b/ld/objdump86.c
index 003f04c..85032a1 100644
--- a/ld/objdump86.c
+++ b/ld/objdump86.c
@@ -55,6 +55,11 @@ void fetch_aout_hdr _((void));
 void dump_aout _((void));
 void size_aout _((void));
 void nm_aout _((void));
+#ifndef VERY_SMALL_MEMORY
+void fetch_v7_hdr _((void));
+void dump_v7 _((void));
+void size_v7 _((void));
+#endif
 
 int  obj_ver;
 int  sections;
@@ -277,6 +282,19 @@ char * archive;
       case 2: nm_aout(); break;
       }
       break;
+#ifndef VERY_SMALL_MEMORY
+   case 2: /* V7 executable */
+      fseek(ifd, 0L, 0);
+      fetch_v7_hdr();
+
+      switch(display_mode)
+      {
+      case 0: dump_v7(); break;
+      case 1: size_v7(); break;
+      case 2: error("Symbol table not supported for v7"); exit(1); break;
+      }
+      break;
+#endif
    }
 
    if( strtab ) free(strtab);
@@ -315,6 +333,13 @@ read_objheader()
          sections = 1;
 	 return 1;
       }
+#ifndef VERY_SMALL_MEMORY
+      if( buf[1] == 1 ) /* 04xx octal */
+      {
+         sections = 1;
+         return 2;
+      }
+#endif
       return error("Bad magic number");
    }
 
@@ -867,3 +892,81 @@ nm_aout()
 
    if( pending_nl ) putchar('\n');
 }
+
+#ifndef VERY_SMALL_MEMORY
+/************************************************************************/
+/* V7 a.out versions
+ */
+
+void
+fetch_v7_hdr()
+{
+   int i;
+
+   h_len  = 8;
+   for(i=0; i<h_len; i++)
+   {
+      header[i] = get_word();
+   }
+}
+
+void
+size_v7()
+{
+   if( display_mode == 0 )
+      printf("text\tdata\tbss\tdec\thex\tfilename\n");
+
+   printf("%ld\t%ld\t%ld\t%ld\t%lx\t%s\n",
+      header[1], header[2], header[3],
+      header[1]+ header[2]+ header[3],
+      header[1]+ header[2]+ header[3],
+      ifname);
+
+   tot_size_text += header[1];
+   tot_size_data += header[2];
+   tot_size_bss  += header[3];
+}
+
+void
+dump_v7()
+{
+   int i;
+   long l;
+
+   printf("TYPE:");
+   switch (header[0]) {
+   case 0405: printf(" overlay"); break;
+   case 0407: printf(" impure"); break;
+   case 0410: printf(" read-only text"); break;
+   case 0411: printf(" pure"); break;
+   case 0413: printf(" demand load"); break;
+   default: printf(" (unknown)"); break;
+   }
+   printf("\n");
+
+   if( header[5] )
+      printf("a_entry  = 0x%08lx\n", header[5]);
+   printf("\n");
+
+   size_aout();
+   printf("\n");
+
+   printf("TEXTSEG\n");
+   fseek(ifd, (long)h_len, 0);
+   for(l=0; l<header[1]; l++)
+   {
+      if( (i=getc(ifd)) == EOF ) break;
+      hex_output(i);
+   }
+   hex_output(EOF);
+
+   printf("DATASEG\n");
+   fseek(ifd, (long)h_len+header[1], 0);
+   for(l=0; l<header[2]; l++)
+   {
+      if( (i=getc(ifd)) == EOF ) break;
+      hex_output(i);
+   }
+   hex_output(EOF);
+}
+#endif
-- 
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