Replace AWK with Bash scripts (#46313)

* Replace AWK with Bash scripts

* Replace awk usage with Bash or POSIX tr

* Simplify genmoduleindex.sh

1 files changed, 35 insertions, 0 deletions

diff --git a/src/coreclr/generateredefinesfile.sh b/src/coreclr/generateredefinesfile.sh
new file mode 100755
index 00000000000..ff0954da8b3
--- /dev/null
+++ b/src/coreclr/generateredefinesfile.sh
@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+
+saved=("$@")
+while test $# -gt 0; do
+  case "$1" in
+    --help|-h)
+      printf "Usage:\ngenerateredefinesfile.sh <filename> <jump instruction for the platform> <prefix of what is being mapped from> <prefix of what is being mapped to>\n"
+      exit 1;;
+    esac
+    shift
+done
+set -- "${saved[@]}"
+
+jump="$2"
+prefix1="$3"
+prefix2="$4"
+
+while read -r line; do
+  # Skip empty lines and comment lines starting with semicolon
+  if [[ "$line" =~ ^\;.*$|^[[:space:]]*$ ]]; then
+    continue
+  fi
+
+  # Remove the CR character in case the sources are mapped from
+  # a Windows share and contain CRLF line endings
+  line="${line//$'\r'/}"
+
+  # Only process the entries that begin with "#"
+  if [[ "$line" =~ ^#.*$ ]]; then
+    line="${line//#/}"
+    printf "LEAF_ENTRY %s%s, _TEXT\n" "$prefix1" "$line"
+    printf "    %s EXTERNAL_C_FUNC(%s%s)\n" "$jump" "$prefix2" "$line"
+    printf "LEAF_END %s%s, _TEXT\n\n" "$prefix1" "$line"
+  fi
+done < "$1"