From 8784cd929f19dd579b01fc515afbf88a4e889145 Mon Sep 17 00:00:00 2001
From: David McCullough <davidm@snapgear.com>
Date: Thu, 13 May 2004 00:45:07 +0000
Subject: [PATCH] - add target h8300h - shared flat binary support for h8

Yoshinori Sato <ysato@users.sourceforge.jp>
---
 elf2flt.c     |  5 ++++-
 ld-elf2flt.in | 22 ++++++++++++++++------
 2 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/elf2flt.c b/elf2flt.c
index bca57bc..23e5e97 100644
--- a/elf2flt.c
+++ b/elf2flt.c
@@ -87,7 +87,7 @@
 #error "Don't know how to support your CPU architecture??"
 #endif
 
-#ifdef TARGET_m68k
+#if defined(TARGET_m68k) || defined(TARGET_h8300)
 /*
  * Define a maximum number of bytes allowed in the offset table.
  * We'll fail if the table is larger than this.
@@ -720,6 +720,9 @@ dump_symbols(symbols, number_of_symbols);
 					sym_addr = (*(q->sym_ptr_ptr))->value;
 					sym_vma = bfd_section_vma(abs_bfd, sym_section);
 					sym_addr += sym_vma + q->addend;
+					/* no reloc from area7 */
+					if (sym_addr > 0xe00000)
+						relocation_needed = 0;
 					break;
 				case R_H8_DIR32:
 				case R_H8_DIR32A16: /* currently 32,  could be made 16 */
diff --git a/ld-elf2flt.in b/ld-elf2flt.in
index ab5d448..9dc903e 100644
--- a/ld-elf2flt.in
+++ b/ld-elf2flt.in
@@ -17,6 +17,9 @@ LDSCRIPTPATH="${TOOLDIR}/../@target_alias@/lib"		# and the scripts
 SHARED_ID=""
 NEWLDSCRIPT=""
 
+# check TOOLDIR from prefix/bin/ or prefix/target-alias/bin/
+[ -d "${TOOLDIR}/../@target_alias@/lib" ] || LDSCRIPTPATH="${TOOLDIR}/../lib"
+
 #
 # if we have the elf2flt options, run it
 #
@@ -72,6 +75,9 @@ then
 				  VERBOSE="y"
 				  ;;
 
+		-m)       shift; EMUL="-m $1";;        # ld emulations for h8300
+		-m*)      EMUL=$1;;
+ 
 		*)        ARG1="$ARG1 $1"
 				  ;;
 		esac
@@ -112,7 +118,11 @@ then
 			fi
 
 			# Provide the magic parameter that defines the library data segment pointer offset
-			ARG1="$ARG1 -defsym _current_shared_library_a5_offset_=`expr ${SHARED_ID} '*' -4 - 4`"
+			case "@target_cpu@" in
+			    h8300) GOT_OFFSET="__current_shared_library_er5_offset_";;
+			    *)     GOT_OFFSET="_current_shared_library_a5_offset_";;
+			esac
+			ARG1="$ARG1 -defsym $GOT_OFFSET=`expr ${SHARED_ID} '*' -4 - 4`"
 		fi
 		
 		# provide a default linker script, we usually need one
@@ -133,12 +143,12 @@ then
 
 		if [ "@got_check@" = "no" ]
 		then
-		 $LINKER $SDIRS -T $LDSCRIPT -Ur -d -o "$OFILE.elf" $ARG1         ||exit $?
-		 $LINKER $SDIRS -T $LDSCRIPT -o "$OFILE.gdb" $ARG1                ||exit $?
+		 $LINKER $EMUL $SDIRS -T $LDSCRIPT -Ur -d -o "$OFILE.elf" $ARG1         ||exit $?
+		 $LINKER $EMUL $SDIRS -T $LDSCRIPT -o "$OFILE.gdb" $ARG1                ||exit $?
 		else
-		 $LINKER -r -d -o "$OFILE.elf2flt" $ARG1                          ||exit $?
-		 $LINKER $SDIRS -T $LDSCRIPT -Ur -o "$OFILE.elf" "$OFILE.elf2flt" ||exit $?
-		 $LINKER $SDIRS -T $LDSCRIPT -o "$OFILE.gdb" "$OFILE.elf2flt"     ||exit $?
+		 $LINKER $EMUL -r -d -o "$OFILE.elf2flt" $ARG1                          ||exit $?
+		 $LINKER $EMUL $SDIRS -T $LDSCRIPT -Ur -o "$OFILE.elf" "$OFILE.elf2flt" ||exit $?
+		 $LINKER $EMUL $SDIRS -T $LDSCRIPT -o "$OFILE.gdb" "$OFILE.elf2flt"     ||exit $?
 		 rm -f "$OFILE.elf2flt"
 		fi
 		if grep _GLOBAL_OFFSET_TABLE_ "$OFILE.gdb" > /dev/null 
-- 
2.39.5