* config/m68k/lb1sf68.asm: Add PIC macros for Linux targets.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137558 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a8b6c4a..3e5a68d 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2008-07-07  Mark Shinwell  <shinwell@codesourcery.com>
+
+       * config/m68k/lb1sf68.asm: Add PIC macros for Linux targets.
+
 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
            Nathan Sidwell  <nathan@codesourcery.com>
 

diff --git a/gcc/config/m68k/lb1sf68.asm b/gcc/config/m68k/lb1sf68.asm
index d09213f..e03b7b3 100644 (file)
--- a/gcc/config/m68k/lb1sf68.asm
+++ b/gcc/config/m68k/lb1sf68.asm
@@ -129,10 +129,11 @@ Boston, MA 02110-1301, USA.  */
 
 #else /* __PIC__ */
 
-       /* Common for -mid-shared-libary and -msep-data */
+       /* Common for Linux and uClinux, the latter with either
+          -mid-shared-library or -msep-data.  */
 
        .macro PICCALL addr
-#if defined (__mcoldfire__) && !defined (__mcfisab__)
+#if defined (__mcoldfire__) && !defined (__mcfisab__) && !defined (__mcfisac__)
        lea     \addr-.-8,a0
        jsr     pc@(a0)
 #else
@@ -141,6 +142,9 @@ Boston, MA 02110-1301, USA.  */
        .endm
 
        .macro PICJUMP addr
+       /* ISA C has no bra.l instruction, and since this assembly file
+          gets assembled into multiple object files, we avoid the
+          bra instruction entirely.  */
 #if defined (__mcoldfire__) && !defined (__mcfisab__)
        lea     \addr-.-8,a0
        jmp     pc@(a0)
@@ -149,7 +153,11 @@ Boston, MA 02110-1301, USA.  */
 #endif
        .endm
 
-# if defined(__ID_SHARED_LIBRARY__)
+# if defined (__uClinux__)
+
+       /* Versions for uClinux */
+
+#  if defined(__ID_SHARED_LIBRARY__)
 
        /* -mid-shared-library versions  */
 
@@ -163,7 +171,7 @@ Boston, MA 02110-1301, USA.  */
        movel   \sym@GOT(\areg), sp@-
        .endm
 
-# else /* !__ID_SHARED_LIBRARY__ */
+#  else /* !__ID_SHARED_LIBRARY__ */
 
        /* Versions for -msep-data */
 
@@ -175,7 +183,25 @@ Boston, MA 02110-1301, USA.  */
        movel   \sym@GOT(a5), sp@-
        .endm
 
-# endif /* !__ID_SHARED_LIBRARY__ */
+#  endif
+
+# else /* !__uClinux__ */
+
+       /* Versions for Linux */
+
+       .macro PICLEA sym, reg
+       movel   #_GLOBAL_OFFSET_TABLE_@GOTPC, \reg
+       lea     (-6, pc, \reg), \reg
+       movel   \sym@GOT(\reg), \reg
+       .endm
+
+       .macro PICPEA sym, areg
+       movel   #_GLOBAL_OFFSET_TABLE_@GOTPC, \areg
+       lea     (-6, pc, \areg), \areg
+       movel   \sym@GOT(\areg), sp@-
+       .endm
+
+# endif
 #endif /* __PIC__ */