Linking Error: relocation truncated to fit: R_68K_PC16

[Khem Raj]

On (13/03/09 18:40), Groleo Marius wrote:
> Hi list,
> I'm trying my luck compiling uClibc on a m68k Coldfire 5475 processor.
> I modified the Makefiles so the sources gets compiled with the -fPIC
> flag but I still get the error:
> 
> /mnt/workspace/trunk/targets/m68k-unknown-linux-uclibc/build/build-libc/ldso/ldso/m68k/elfinterp.c:326:
> relocation truncated to fit: R_68K_PC16 against symbol `_dl_skip_args'
> defined in .bss section in ldso/ldso/ld-uClibc_so.a(ldso.oS).
> 
> Does any one has any ideea ?

can you try the attached patch 

Thx

-Khem
-------------- next part --------------
Index: ldso/ldso/m68k/dl-startup.h
===================================================================
--- ldso/ldso/m68k/dl-startup.h	(revision 25645)
+++ ldso/ldso/m68k/dl-startup.h	(working copy)
@@ -4,6 +4,17 @@
  * Copyright (C) 2005 by Erik Andersen <andersen at codepoet.org>
  */
 
+/* Perform operation OP with PC-relative SRC as the first operand and
+ * DST as the second.  TMP is available as a temporary if needed.  */
+
+#ifdef __mcoldfire__
+#define PCREL_OP(OP, SRC, DST, TMP, PC) \
+  "move.l #" SRC " - ., " TMP "\n\t" OP " (-8, " PC ", " TMP "), " DST
+#else
+#define PCREL_OP(OP, SRC, DST, TMP, PC) \
+  OP " " SRC "(" PC "), " DST
+#endif
+
 __asm__ ("\
 	.text\n\
 	.globl _start\n\
@@ -21,7 +32,7 @@
 	move.l %d0, %a4\n\
 	# See if we were run as a command with the executable file\n\
 	# name as an extra leading argument.\n\
-	move.l _dl_skip_args(%pc), %d0\n\
+	" PCREL_OP ("move.l", "_dl_skip_args", "%d0", "%d0", "%pc") "\n\
 	# Pop the original argument count\n\
 	move.l (%sp)+, %d1\n\
 	# Subtract _dl_skip_args from it.\n\
@@ -31,7 +42,7 @@
 	# Push back the modified argument count.\n\
 	move.l %d1, -(%sp)\n\
 	# Pass our finalizer function to the user in %a1.\n\
-	lea _dl_fini(%pc), %a1\n\
+	" PCREL_OP ("lea", "_dl_fini", "%a1", "%a1", "%pc") "\n\
 	# Initialize %fp with the stack pointer.\n\
 	move.l %sp, %fp\n\
 	# Jump to the user's entry point.\n\