From d5280828118b27372c5ea9be1c0cd8e55c818ff0 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Wed, 24 Jan 2018 16:15:35 +0100
Subject: reverted changes in check-opcodes: reasons too slow and easier merge

---
 bin/check-opcodes | 82 ++++++++++++++++---------------------------------------
 1 file changed, 24 insertions(+), 58 deletions(-)

(limited to 'bin/check-opcodes')

diff --git a/bin/check-opcodes b/bin/check-opcodes
index 9ed2837..c7ab4a9 100755
--- a/bin/check-opcodes
+++ b/bin/check-opcodes
@@ -1,5 +1,8 @@
 #!/bin/sh
 
+# shellcheck disable=SC2086
+
+# shellcheck source=conf/default.conf
 . "${0%/*}/../conf/default.conf"
 
 usage( ) {
@@ -8,9 +11,8 @@ usage( ) {
 check_opcodes: [ -a <arch> ] <package>
 
 possible optons:
-  -h|--help:         show this help page
-  -v|--verbose:      verbose output
-  -d|--debug:        enable debug output
+  -h|--help: Show this help page
+  -v|--verbose: Verbose output
   -a|--architecture: architecture family to check against, one of
                      i486, i686, pentium4
 
@@ -19,31 +21,24 @@ EOF
 }
 
 VERBOSE=0
+EXIT_CODE=0
 log( ) {
   if test $VERBOSE = 1; then
-    echo $*
-  fi
-}
-
-DEBUG=0
-debug( ) {
-  if test $DEBUG = 1; then
-    echo $*
+    echo "$@"
   fi
 }
 
-EXIT_CODE=0
 err( ) {
   echo "ERROR: $*"
   EXIT_CODE=1
 }
 
 tmp_dir=$(mktemp -d "${work_dir}/tmp.check-opcodes.XXXXXX")
-trap "rm -rf --one-file-system '${tmp_dir:?}'" EXIT
+trap 'rm -rf --one-file-system "${tmp_dir:?}"' EXIT
 
 ARCH=i686
 
-while getopts ":va:d-h-:" opt; do
+while getopts ":va:h-:" opt; do
   case $opt in
     -)
       case "$OPTARG" in
@@ -53,9 +48,6 @@ while getopts ":va:d-h-:" opt; do
         verbose)
           VERBOSE=1
           ;;
-        debug)
-          DEBUG=1
-          ;;
         *)
           echo "ERROR: Invalid option: --$OPTARG" >&2
           usage
@@ -68,9 +60,6 @@ while getopts ":va:d-h-:" opt; do
     v)
       VERBOSE=1
       ;;
-    d)
-      DEBUG=1
-      ;;
     a)
       ARCH=$OPTARG
       ;;
@@ -96,52 +85,30 @@ case $ARCH in
   i486)
     OPCODE_ARGS='-r -a 486 -v'
     ;;
-  i686)
+	i686)
     OPCODE_ARGS='-s MMX -s SSE -s SSE2'
     ;;
   pentium4)
     OPCODE_ARGS='-s SSE3 -s SSSE3 -s AVX'
     ;;
-  *)
+	*)
     echo "ERROR: architecture must currently be one of i486 and i686" >&2
     usage
     exit 1
 esac
 
-log "Checking package $PACKAGE"
-log "Checking for architecture constraint: $ARCH ($OPCODE_ARGS)"
+log "Checking for architecture: $ARCH ($OPCODE_ARGS)"
 bsdtar --no-fflags -x -C $tmp_dir -f $PACKAGE
 
-for absfile in `find $tmp_dir -type f`; do
-  file=`basename $absfile`
-  ext=`echo $absfile | rev | cut -f 1 -d . | rev`
-  
-  case "$file" in
-    .PKGINFO|.BUILDINFO|.MTREE)
-      debug "Skipping $file (internal Archlinux file)"
-      continue
-      ;;
-    *.hpp|*.h|*.c|*.cpp|*.html|*.mo|*.po|*.svg|*.png|*.pl|*.pod|*.vim|*.js|*.cmake|*.xml|*.txt|*.rst|*.in|*.conf|*.[0123456789])
-      debug "Skipping $file (extension is .$ext)"
-      continue
-      ;;
-    *)
-      # we cannot really ignore the file by extension
-  esac
-
-  mimetype=`file -i $absfile | cut -f 2- -d : | cut -f 1 -d ';' | tr -d ' '`  
-  case "$mimetype" in
-    application/x-sharedlib)
-      debug "Checking library/binary: $file"
-      ;;
-    *)
-      debug "Skipping $file (MIME type is $mimetype)"
-      continue
-      ;;
-  esac
-    
+# shellcheck disable=SC2044
+for absfile in $(find $tmp_dir -name '*.so*' -type f); do
+	file=$(basename $absfile)
+	log "Checking shared library: $file"
+	readelf -a $absfile > $tmp_dir/$file.elf
   objdump -f $absfile > $tmp_dir/$file.objdump
-  arch=`grep ^architecture $tmp_dir/$file.objdump | sed 's/^architecture: //g' | cut -f 1 -d ,`
+  file $absfile > $tmp_dir/$file.file
+    
+  arch=$(grep ^architecture $tmp_dir/$file.objdump | sed 's/^architecture: //g' | cut -f 1 -d ,)
   case $arch in
     i386:x86-64)
       arch='x86_64'
@@ -153,10 +120,9 @@ for absfile in `find $tmp_dir -type f`; do
       arch='unknown'
       ;;
   esac
-  debug "  Objdump architecture: $arch"
+  log "  Objdump architecture: $arch"
   
-  readelf -a $absfile > $tmp_dir/$file.elf 2> $tmp_dir/$file.elferr
-  archelf=`grep '^ \+Class' $tmp_dir/$file.elf | cut -f 2 -d : | tr -d ' '`
+  archelf=$(grep '^ \+Class' $tmp_dir/$file.elf | cut -f 2 -d : | tr -d ' ')
   case $archelf in
     ELF64)
       archelf='x86_64'
@@ -168,7 +134,7 @@ for absfile in `find $tmp_dir -type f`; do
       archelf='unknown'
       ;;
   esac
-  debug "  Readelf architecture: $archelf"
+  log "  Readelf architecture: $archelf"
 
   if test $arch != $archelf; then
     err "$file ambigous architecture information (objdump: $arch, ELF: $archelf)"
@@ -180,7 +146,7 @@ for absfile in `find $tmp_dir -type f`; do
   fi
 
   objdump -M intel -d $absfile > $tmp_dir/$file.asm
-  bad_opcodes=`cat $tmp_dir/$file.asm | ${base_dir}/bin/opcode $OPCODE_ARGS -m 1 | wc -l`
+  bad_opcodes=$(${base_dir}/bin/opcode $OPCODE_ARGS -m 1 < $tmp_dir/$file.asm | wc -l)
   if test $bad_opcodes != 0; then
     case $ARCH in
       i486)
-- 
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