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|
#!/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
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"
}
ignore () {
sym=$1
symtab=`echo "$symtab" | grep -v " ${sym}\$"`
}
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.
#
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
# Ignore symbols generated by the ARM Linux default linker script.
# For details see the binutils sources (src/ld/emulparams/armelf_linux.sh).
if [ ${plat} = "arm" ]; then
ignore __bss_start__
ignore __bss_end__
ignore __end__
ignore _bss_end__
fi
if [ ${plat} = "mips" ]; then
ignore _fbss
ignore _fdata
ignore _ftext
ignore _gp
fi
}
check_local_unw_abi () {
match _UL${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${plat}_handle_signal_frame
match _UL${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${plat}_regname
match _U${plat}_strerror
match _U_dyn_cancel
match _U_dyn_info_list_addr
match _U_dyn_register
match unw_backtrace
match backtrace
case ${plat} in
arm)
match _U${plat}_get_elf_image
match _U${plat}_is_fpreg
match _UL${plat}_search_unwind_table
match _UL${plat}_dwarf_search_unwind_table
match _UL${plat}_dwarf_find_unwind_table
;;
hppa)
match _UL${plat}_dwarf_search_unwind_table
match _UL${plat}_dwarf_find_unwind_table
match _U${plat}_get_elf_image
match _U${plat}_setcontext
;;
ia64)
match _UL${plat}_search_unwind_table
match _U${plat}_get_elf_image
;;
x86)
match _U${plat}_get_elf_image
match _U${plat}_is_fpreg
match _UL${plat}_dwarf_search_unwind_table
match _UL${plat}_dwarf_find_unwind_table
;;
x86_64)
match _U${plat}_get_elf_image
match _U${plat}_is_fpreg
match _UL${plat}_dwarf_search_unwind_table
match _UL${plat}_dwarf_find_unwind_table
match _U${plat}_setcontext
;;
ppc*)
match _U${plat}_get_func_addr
match _U${plat}_get_elf_image
match _U${plat}_is_fpreg
match _UL${plat}_dwarf_search_unwind_table
match _UL${plat}_dwarf_find_unwind_table
;;
*)
match _U${plat}_is_fpreg
match _UL${plat}_dwarf_search_unwind_table
match _UL${plat}_dwarf_find_unwind_table
;;
esac
if [ x@enable_debug_frame@ = xyes ]; then
match _UL${plat}_dwarf_find_debug_frame
fi
}
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}_handle_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${plat}_step
match _U${plat}_strerror
case ${plat} in
arm)
match _U${plat}_is_fpreg
match _U${plat}_get_elf_image
match _U${plat}_search_unwind_table
match _U${plat}_dwarf_search_unwind_table
match _U${plat}_dwarf_find_unwind_table
;;
hppa)
match _U${plat}_dwarf_search_unwind_table
match _U${plat}_dwarf_find_unwind_table
match _U${plat}_get_elf_image
;;
ia64)
match _U${plat}_search_unwind_table
match _U${plat}_find_dyn_list
if [ $plat = $build_plat ]; then
match _U${plat}_get_elf_image
case $os in
linux*)
match _U${plat}_get_kernel_table
;;
esac
fi
;;
x86)
match _U${plat}_get_elf_image
match _U${plat}_is_fpreg
match _U${plat}_dwarf_search_unwind_table
match _U${plat}_dwarf_find_unwind_table
;;
x86_64)
match _U${plat}_get_elf_image
match _U${plat}_is_fpreg
match _U${plat}_dwarf_search_unwind_table
match _U${plat}_dwarf_find_unwind_table
;;
ppc*)
match _U${plat}_get_elf_image
match _U${plat}_get_func_addr
match _U${plat}_is_fpreg
match _U${plat}_dwarf_search_unwind_table
match _U${plat}_dwarf_find_unwind_table
;;
*)
match _U${plat}_is_fpreg
match _U${plat}_dwarf_search_unwind_table
match _U${plat}_dwarf_find_unwind_table
;;
esac
if [ x@enable_debug_frame@ = xyes ]; then
match _U${plat}_dwarf_find_debug_frame
fi
}
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_GetIPInfo
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
match __libunwind_Unwind_Backtrace
match __libunwind_Unwind_DeleteException
match __libunwind_Unwind_FindEnclosingFunction
match __libunwind_Unwind_ForcedUnwind
match __libunwind_Unwind_GetBSP
match __libunwind_Unwind_GetCFA
match __libunwind_Unwind_GetDataRelBase
match __libunwind_Unwind_GetGR
match __libunwind_Unwind_GetIP
match __libunwind_Unwind_GetIPInfo
match __libunwind_Unwind_GetLanguageSpecificData
match __libunwind_Unwind_GetRegionStart
match __libunwind_Unwind_GetTextRelBase
match __libunwind_Unwind_RaiseException
match __libunwind_Unwind_Resume
match __libunwind_Unwind_Resume_or_Rethrow
match __libunwind_Unwind_SetGR
match __libunwind_Unwind_SetIP
case $os in
linux*)
# needed only for Intel 8.0 bug-compatibility
match _ReadSLEB
match _ReadULEB
;;
esac
}
check_empty () {
if [ -n "$symtab" ]; then
printf " ERROR: Extraneous symbols:\n$symtab\n"
num_errors=`expr $num_errors + 1`
fi
}
if [ $plat = $build_plat ]; then
fetch_symtab $LIBUNWIND
filter_misc
check_local_unw_abi
if [ x@enable_cxx_exceptions@ = xyes ]; then
check_cxx_abi
fi
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
|
