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path: root/toolchain/binutils/2.15.94.0.2.2/450-mips-restore-embedded-pic.patch
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--- binutils/gas/config/tc-mips.c.orig	2004-12-20 12:16:50.000000000 -0700
+++ binutils/gas/config/tc-mips.c	2005-03-02 03:42:08.000000000 -0700
@@ -10955,8 +10955,6 @@
 
   buf = (bfd_byte *) (fixP->fx_frag->fr_literal + fixP->fx_where);
 
-  assert (! fixP->fx_pcrel);
-
   /* Don't treat parts of a composite relocation as done.  There are two
      reasons for this:
 
@@ -11000,7 +10998,6 @@
     case BFD_RELOC_MIPS_CALL_HI16:
     case BFD_RELOC_MIPS_CALL_LO16:
     case BFD_RELOC_MIPS16_GPREL:
-      assert (! fixP->fx_pcrel);
       /* Nothing needed to do. The value comes from the reloc entry */
       break;
 
@@ -12867,8 +12864,23 @@
   *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
   reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
 
-  assert (! fixp->fx_pcrel);
-  reloc->addend = fixp->fx_addnumber;
+  if (fixp->fx_pcrel)
+    {
+      if (OUTPUT_FLAVOR == bfd_target_elf_flavour)
+	{
+	  /* At this point, fx_addnumber is "symbol offset - reloc->address".
+	     Relocations want only the symbol offset.  */
+	  reloc->addend = fixp->fx_addnumber + reloc->address;
+	}
+      else
+	{
+	  /* A gruesome hack which is a result of the gruesome gas reloc
+	     handling.  */
+	  reloc->addend = reloc->address;
+	}
+    }
+  else
+    reloc->addend = fixp->fx_addnumber;
 
   /* Since the old MIPS ELF ABI uses Rel instead of Rela, encode the vtable
      entry to be used in the relocation's section offset.  */
@@ -12879,6 +12891,16 @@
     }
 
   code = fixp->fx_r_type;
+  if (fixp->fx_pcrel)
+    {
+      if (code == BFD_RELOC_32)
+        code = BFD_RELOC_32_PCREL;
+      else
+        as_bad_where (fixp->fx_file, fixp->fx_line,
+		     _("Cannot make %s relocation PC relative"),
+		     bfd_get_reloc_code_name (code));
+    }
+  
 
   /* To support a PC relative reloc, we used a Cygnus extension.
      We check for that here to make sure that we don't let such a
--- binutils/gas/config/tc-mips.h	29 Apr 2004 05:14:22 -0000	1.35
+++ binutils/gas/config/tc-mips.h	5 May 2004 17:38:51 -0000
@@ -58,6 +58,10 @@
 
 #define MAX_MEM_FOR_RS_ALIGN_CODE  (1 + 2)
 
+/* We permit PC relative difference expressions when generating
+   embedded PIC code.  */
+#define DIFF_EXPR_OK
+
 /* Tell assembler that we have an itbl_mips.h header file to include.  */
 #define HAVE_ITBL_CPU