Merge "Rename ROCm Threads AMDGPU Threads" into amd-common

[deliverable/binutils-gdb.git] / gdb / contrib / gdb-add-index.sh

diff --git a/gdb/contrib/gdb-add-index.sh b/gdb/contrib/gdb-add-index.sh
index 0cd4ce3c9d679f52da9897bcd59cabd9d5f63350..5a37020656f399247c50c8fadbbe17d6e82bb53e 100755 (executable)
--- a/gdb/contrib/gdb-add-index.sh
+++ b/gdb/contrib/gdb-add-index.sh
@@ -2,7 +2,7 @@
 
 # Add a .gdb_index section to a file.
 
-# Copyright (C) 2010-2017 Free Software Foundation, Inc.
+# Copyright (C) 2010-2019 Free Software Foundation, Inc.
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 3 of the License, or
@@ -20,11 +20,18 @@
 # If not, or you want others, pass the following in the environment
 GDB=${GDB:=gdb}
 OBJCOPY=${OBJCOPY:=objcopy}
+READELF=${READELF:=readelf}
 
 myname="${0##*/}"
 
+dwarf5=""
+if [ "$1" = "-dwarf-5" ]; then
+    dwarf5="$1"
+    shift
+fi
+
 if test $# != 1; then
-    echo "usage: $myname FILE" 1>&2
+    echo "usage: $myname [-dwarf-5] FILE" 1>&2
     exit 1
 fi
 
@@ -37,14 +44,47 @@ fi
 
 dir="${file%/*}"
 test "$dir" = "$file" && dir="."
-index="${file}.gdb-index"
 
-rm -f $index
+dwz_file=""
+if $READELF -S "$file" | grep -q " \.gnu_debugaltlink "; then
+    dwz_file=$($READELF --string-dump=.gnu_debugaltlink "$file" \
+                  | grep -A1  "'\.gnu_debugaltlink':" \
+                  | tail -n +2 \
+                  | sed 's/.*]//')
+    dwz_file=$(echo $dwz_file)
+    if $READELF -S "$dwz_file" | grep -E -q " \.(gdb_index|debug_names) "; then
+       # Already has an index, skip it.
+       dwz_file=""
+    fi
+fi
+
+set_files ()
+{
+    local file="$1"
+
+    index4="${file}.gdb-index"
+    index5="${file}.debug_names"
+    debugstr="${file}.debug_str"
+    debugstrmerge="${file}.debug_str.merge"
+    debugstrerr="${file}.debug_str.err"
+}
+
+tmp_files=
+for f in "$file" "$dwz_file"; do
+    if [ "$f" = "" ]; then
+       continue
+    fi
+    set_files "$f"
+    tmp_files="$tmp_files $index4 $index5 $debugstr $debugstrmerge $debugstrerr"
+done
+
+rm -f $tmp_files
+
 # Ensure intermediate index file is removed when we exit.
-trap "rm -f $index" 0
+trap "rm -f $tmp_files" 0
 
 $GDB --batch -nx -iex 'set auto-load no' \
-    -ex "file $file" -ex "save gdb-index $dir" || {
+    -ex "file $file" -ex "save gdb-index $dwarf5 $dir" || {
     # Just in case.
     status=$?
     echo "$myname: gdb error generating index for $file" 1>&2
@@ -57,13 +97,64 @@ $GDB --batch -nx -iex 'set auto-load no' \
 # already stripped binary, it's a no-op.
 status=0
 
-if test -f "$index"; then
-    $OBJCOPY --add-section .gdb_index="$index" \
-       --set-section-flags .gdb_index=readonly "$file" "$file"
-    status=$?
-else
-    echo "$myname: No index was created for $file" 1>&2
-    echo "$myname: [Was there no debuginfo? Was there already an index?]" 1>&2
+handle_file ()
+{
+    local file
+    file="$1"
+
+    set_files "$file"
+
+    if test -f "$index4" -a -f "$index5"; then
+       echo "$myname: Both index types were created for $file" 1>&2
+       status=1
+    elif test -f "$index4" -o -f "$index5"; then
+       if test -f "$index4"; then
+           index="$index4"
+           section=".gdb_index"
+       else
+           index="$index5"
+           section=".debug_names"
+       fi
+       debugstradd=false
+       debugstrupdate=false
+       if test -s "$debugstr"; then
+           if ! $OBJCOPY --dump-section .debug_str="$debugstrmerge" "$file" \
+                /dev/null 2>$debugstrerr; then
+               cat >&2 $debugstrerr
+               exit 1
+           fi
+           if grep -q "can't dump section '.debug_str' - it does not exist" \
+                   $debugstrerr; then
+               debugstradd=true
+           else
+               debugstrupdate=true
+               cat >&2 $debugstrerr
+           fi
+           cat "$debugstr" >>"$debugstrmerge"
+       fi
+
+       $OBJCOPY --add-section $section="$index" \
+                --set-section-flags $section=readonly \
+                $(if $debugstradd; then \
+                      echo --add-section .debug_str="$debugstrmerge"; \
+                      echo --set-section-flags .debug_str=readonly; \
+                  fi; \
+                  if $debugstrupdate; then \
+                      echo --update-section .debug_str="$debugstrmerge"; \
+                  fi) \
+                "$file" "$file"
+
+       status=$?
+    else
+       echo "$myname: No index was created for $file" 1>&2
+       echo "$myname: [Was there no debuginfo? Was there already an index?]" \
+            1>&2
+    fi
+}
+
+handle_file "$file"
+if [ "$dwz_file" != "" ]; then
+    handle_file "$dwz_file"
 fi
 
 exit $status