(Logical change 1.225)

1 files changed, 207 insertions, 0 deletions

diff --git a/tests/check-namespace.sh.in b/tests/check-namespace.sh.in
index e69de29b..6ba6ecef 100644
--- a/tests/check-namespace.sh.in
+++ b/tests/check-namespace.sh.in
@@ -0,0 +1,207 @@
+#!/bin/sh
+verbose=false
+if [ "$1" = "-v" ]; then
+    verbose=true
+    shift
+fi
+
+build_plat=@build_arch@
+plat=@arch@
+os=@target_os@
+num_errors=0
+
+LIBUNWIND=../src/.libs/libunwind.so
+LIBUNWIND_GENERIC=../src/.libs/libunwind-${plat}.so
+
+function fetch_symtab {
+    filename=$1
+
+    if [ ! -r $filename ]; then
+	return
+    fi
+
+    if $verbose; then
+	echo "Checking $filename..."
+    fi
+
+    #
+    # Unfortunately, "nm --defined" is a GNU-extension.  For portability,
+    # build the list of defined symbols by hand.
+    #
+    symtab=`nm -g $filename`
+    saved_IFS="$IFS"
+    IFS=""
+    undef=`nm -g -u $filename`
+    for line in $undef; do
+	symtab=`echo "$symtab" | grep -v "^${line}"\$`
+    done;
+    IFS="$saved_IFS"
+}
+
+function ignore {
+    sym=$1
+    symtab=`echo "$symtab" | grep -v " ${sym}\$"`
+}
+
+function match {
+    sym=$1
+    if `echo "$symtab" | grep -q " ${sym}\$"`; then
+	symtab=`echo "$symtab" | grep -v " ${sym}\$"`
+    else
+	echo "  ERROR: Symbol \"$sym\" missing."
+	num_errors=`expr $num_errors + 1`
+    fi
+}
+
+#
+# Filter out miscellaneous symbols that get defined by the
+# linker for each shared object.
+#
+function filter_misc {
+    ignore _DYNAMIC
+    ignore _GLOBAL_OFFSET_TABLE_
+    ignore __bss_start
+    ignore _edata
+    ignore _end
+    ignore _Uelf32_get_proc_name
+    ignore _Uelf32_valid_object
+    ignore _Uelf64_get_proc_name
+    ignore _Uelf64_valid_object
+    ignore _U.*debug_level
+    ignore ICRT.INTERNAL	# ICC 8.x defines this
+}
+
+function check_local_unw_abi {
+    match _UL${plat}_create_addr_space
+    match _UL${plat}_destroy_addr_space
+    match _UL${plat}_get_fpreg
+    match _UL${plat}_get_proc_info
+    match _UL${plat}_get_proc_info_by_ip
+    match _UL${plat}_get_proc_name
+    match _UL${plat}_get_reg
+    match _UL${plat}_get_save_loc
+    match _UL${plat}_init_local
+    match _UL${plat}_init_remote
+    match _UL${plat}_is_signal_frame
+    match _UL${plat}_local_addr_space
+    match _UL${plat}_resume
+    match _UL${plat}_set_caching_policy
+    match _UL${plat}_set_reg
+    match _UL${plat}_set_fpreg
+    match _UL${plat}_step
+
+    match _U${plat}_flush_cache
+    match _U${plat}_get_accessors
+    match _U${plat}_getcontext
+    match _U${plat}_regname
+
+    match _U_dyn_cancel
+    match _U_dyn_info_list_addr
+    match _U_dyn_register
+
+    match backtrace
+
+    case ${plat} in
+	ia64)
+	    match _UL${plat}_search_unwind_table
+	    match _U${plat}_get_elf_image
+	    ;;
+	*)
+	    match _UL${plat}_is_fpreg
+	    match _UL${plat}_dwarf_search_unwind_table
+	    ;;
+    esac
+}
+
+function check_generic_unw_abi {
+    match _U${plat}_create_addr_space
+    match _U${plat}_destroy_addr_space
+    match _U${plat}_flush_cache
+    match _U${plat}_get_accessors
+    match _U${plat}_get_fpreg
+    match _U${plat}_get_proc_info
+    match _U${plat}_get_proc_info_by_ip
+    match _U${plat}_get_proc_name
+    match _U${plat}_get_reg
+    match _U${plat}_get_save_loc
+    match _U${plat}_init_local
+    match _U${plat}_init_remote
+    match _U${plat}_is_signal_frame
+    match _U${plat}_local_addr_space
+    match _U${plat}_regname
+    match _U${plat}_resume
+    match _U${plat}_set_caching_policy
+    match _U${plat}_set_fpreg
+    match _U${plat}_set_reg
+    match _U${plat}_step
+
+    case ${plat} in
+	ia64)
+	    match _U${plat}_search_unwind_table
+	    match _U${plat}_find_dyn_list
+	    match _U${plat}_get_kernel_table
+	    match _U${plat}_get_elf_image
+	    ;;
+	*)
+	    match _U${plat}_is_fpreg
+	    match _U${plat}_dwarf_search_unwind_table
+	    ;;
+    esac
+}
+
+function check_cxx_abi {
+    match _Unwind_Backtrace
+    match _Unwind_DeleteException
+    match _Unwind_FindEnclosingFunction
+    match _Unwind_ForcedUnwind
+    match _Unwind_GetBSP
+    match _Unwind_GetCFA
+    match _Unwind_GetDataRelBase
+    match _Unwind_GetGR
+    match _Unwind_GetIP
+    match _Unwind_GetLanguageSpecificData
+    match _Unwind_GetRegionStart
+    match _Unwind_GetTextRelBase
+    match _Unwind_RaiseException
+    match _Unwind_Resume
+    match _Unwind_Resume_or_Rethrow
+    match _Unwind_SetGR
+    match _Unwind_SetIP
+    case $os in
+	linux*)
+	    # needed only for Intel 8.0 bug-compatibility
+	    match _ReadSLEB
+	    match _ReadULEB
+	    ;;
+    esac
+}
+
+function check_empty {
+    if [ -n "$symtab" ]; then
+	echo -e "  ERROR: Extraneous symbols:\n$symtab"
+	num_errors=`expr $num_errors + 1`
+    fi
+}
+
+if [ $plat = $build_plat ]; then
+    fetch_symtab $LIBUNWIND
+    filter_misc
+    check_local_unw_abi
+    check_cxx_abi
+    check_empty
+fi
+
+fetch_symtab $LIBUNWIND_GENERIC
+filter_misc
+check_generic_unw_abi
+check_empty
+
+if [ $num_errors -gt 0 ]; then
+    echo "FAILURE: Detected $num_errors errors"
+    exit -1
+fi
+
+if $verbose; then
+    echo "  SUCCESS: all checks passed"
+fi
+exit 0