1 files changed, 47 insertions, 0 deletions
diff --git a/linkers/elftoolchain/common/native-elf-format b/linkers/elftoolchain/common/native-elf-format
new file mode 100755
index 0000000..af70759
--- /dev/null
+++ b/linkers/elftoolchain/common/native-elf-format
@@ -0,0 +1,47 @@
+#!/bin/sh
+#
+# $Id: native-elf-format 2064 2011-10-26 15:12:32Z jkoshy $
+#
+# Find the native ELF format for a host platform by compiling a
+# test object and examining the resulting object.
+#
+# This script is used if there is no easy way to determine this
+# information statically at compile time.
+
+program=`basename $0`
+tmp_c=`mktemp -u nefXXXXXX`.c
+tmp_o=`echo ${tmp_c} | sed -e 's/.c$/.o/'`
+
+trap "rm -f ${tmp_c} ${tmp_o}"	0 1 2 3 15
+
+touch ${tmp_c}
+
+echo "/* Generated by ${program} on `date` */"
+
+cc -c ${tmp_c} -o ${tmp_o}
+readelf -h ${tmp_o} | awk '
+$1 ~ "Class:" {
+        sub("ELF","",$2); elfclass = $2;
+    }
+$1 ~ "Data:"  {
+        if (match($0, "little")) {
+            elfdata = "LSB";
+ 	} else {
+            elfdata = "MSB";
+	}
+    }
+$1 ~ "Machine:" {
+        if (match($0, "Intel.*386")) {
+            elfarch = "EM_386";
+        } else if (match($0, ".*X86-64")) {
+            elfarch = "EM_X86_64";
+        } else {
+            elfarch = "unknown";
+        }
+    }
+END {
+    printf("#define	ELFTC_CLASS	ELFCLASS%s\n", elfclass);
+    printf("#define	ELFTC_ARCH	%s\n", elfarch);
+    printf("#define	ELFTC_BYTEORDER	ELFDATA2%s\n", elfdata);
+}'
+