From c6e5fdc8e91b19133840abd5ee53673945719070 Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Sun, 3 Nov 2002 15:04:19 +0000
Subject: Another update to initfini.awk and initfini.c from Stefan Allius to
 hopefully address SH wierdness.  Now works on other architecture properly as
 well.

---
 extra/scripts/initfini.awk           | 28 +++++++++++++++-------------
 libc/sysdeps/linux/common/initfini.c | 19 +++++++++++++++++++
 2 files changed, 34 insertions(+), 13 deletions(-)

diff --git a/extra/scripts/initfini.awk b/extra/scripts/initfini.awk
index 2938fecce..a04d5e5b0 100755
--- a/extra/scripts/initfini.awk
+++ b/extra/scripts/initfini.awk
@@ -18,23 +18,29 @@ BEGIN \
     if(/\.end/) {end=1}
     if(/\.align/) {alignval=$2}
 # here comes some special stuff for the SuperH targets
-# Search for all labels
-#    if(/_GLOBAL_OFFSET_TABLE_/) {
-#      sub (":","",last);
-#      glb_label[glb_idx] = last;
-#      glb_idx += 1;
-#      glb = $0;
-#    }
+#  We search for all labels, which uses the _GLOBAL_OFFSET_TABLE_
+#  definition, and store them in the glb_label array.
+    if(/_GLOBAL_OFFSET_TABLE_/) {
+      glb_label[glb_idx] = last;
+      glb_idx += 1;
+      glb = $0;
+    }
     last = $1;
   }
   close("initfini.s");
 }
+# special rules for the SuperH targets (They do nothing on other targets)
+/SH_GLB_BEGINS/ && glb_idx==0 {omitcrti +=1}
+/_init_SH_GLB/  && glb_idx>=1 {print glb_label[0] glb >> "crti.S"}
+/_fini_SH_GLB/  && glb_idx>=2 {print glb_label[1] glb >> "crti.S"}
+/SH_GLB_ENDS/   && glb_idx==0 {omitcrti -=1}
+/SH_GLB/ || /_GLOBAL_OFFSET_TABLE_/{getline}
 
-/^_init:/{omitcrtn=1;if (glb_idx>0) print glb_label[0] ":" glb >> "crti.S";}
-/^_fini:/{omitcrtn=1;if (glb_idx>1) print glb_label[1] ":" glb >> "crti.S";}
+# rules for all targets
 /HEADER_ENDS/{omitcrti=1;omitcrtn=1;getline}
 /PROLOG_BEGINS/{omitcrti=0;omitcrtn=0;getline}
 /i_am_not_a_leaf/{getline}
+/_init:/||/_fini:/{omitcrtn=1}
 /PROLOG_PAUSES/{omitcrti=1;getline}
 /PROLOG_UNPAUSES/{omitcrti=0;getline}
 /PROLOG_ENDS/{omitcrti=1;getline}
@@ -78,10 +84,6 @@ BEGIN \
   { gsub("ALIGN","",$0)
   }
 }
-# substitude all label references of the _GLOBAL_OFFSET_TABLE_
-# .L10  ==> .L10b etc.
-glb_idx>0 { gsub (glb_label[0],sprintf("%sb",glb_label[0]),$0)}
-glb_idx>1 { gsub (glb_label[1],sprintf("%sb",glb_label[1]),$0)}
 
 omitcrti==0 {print >> "crti.S"}
 omitcrtn==0 {print >> "crtn.S"}
diff --git a/libc/sysdeps/linux/common/initfini.c b/libc/sysdeps/linux/common/initfini.c
index 4ff7c8218..64fdf6eb4 100644
--- a/libc/sysdeps/linux/common/initfini.c
+++ b/libc/sysdeps/linux/common/initfini.c
@@ -52,6 +52,23 @@
 #  define HIDDEN(func)
 #endif
 
+#if defined(__sh__)
+  /* The macro insert this sh specific stuff:
+     @_SH_GLB_BEGINS
+          bra     1f
+	  nop
+	  ALIGN
+     @func_SH_GLB_LABEL
+     1:
+     @_SH_GLB_ENDS
+   */
+#define GLB_STUFF(func)  asm ("\n/*@_SH_GLB_BEGINS*/"); \
+  asm ("\n\tbra\t1f\n\tnop\n\tALIGN\n/*@" #func"_SH_GLB_LABEL*/\n1:"); \
+  asm ("\n/*@_SH_GLB_ENDS*/");
+#else
+#define GLB_STUFF(func)
+#endif
+
 /* The initial common code ends here. */
 asm ("\n/*@HEADER_ENDS*/");
 
@@ -107,6 +124,7 @@ void _init (void)
   asm ("\n/*@_init_PROLOG_UNPAUSES*/");
 #endif
 
+  GLB_STUFF(_init)
   asm ("ALIGN");
   asm("END_INIT");
   /* Now the epilog. */
@@ -127,6 +145,7 @@ void _fini (void)
 {
 
   /* End of the _fini prolog. */
+  GLB_STUFF(_fini)
   asm ("ALIGN");
   asm ("END_FINI");
   asm ("\n/*@_fini_PROLOG_ENDS*/");
-- 
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