mirror of
https://github.com/tobast/libunwind-eh_elf.git
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(Logical change 1.225)
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mostang.com!davidm
parent
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commit
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2 changed files with 210 additions and 0 deletions
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@ -0,0 +1,207 @@
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#!/bin/sh
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verbose=false
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if [ "$1" = "-v" ]; then
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verbose=true
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shift
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fi
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build_plat=@build_arch@
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plat=@arch@
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os=@target_os@
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num_errors=0
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LIBUNWIND=../src/.libs/libunwind.so
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LIBUNWIND_GENERIC=../src/.libs/libunwind-${plat}.so
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function fetch_symtab {
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filename=$1
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if [ ! -r $filename ]; then
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return
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fi
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if $verbose; then
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echo "Checking $filename..."
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fi
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#
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# Unfortunately, "nm --defined" is a GNU-extension. For portability,
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# build the list of defined symbols by hand.
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#
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symtab=`nm -g $filename`
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saved_IFS="$IFS"
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IFS=""
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undef=`nm -g -u $filename`
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for line in $undef; do
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symtab=`echo "$symtab" | grep -v "^${line}"\$`
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done;
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IFS="$saved_IFS"
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}
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function ignore {
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sym=$1
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symtab=`echo "$symtab" | grep -v " ${sym}\$"`
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}
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function match {
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sym=$1
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if `echo "$symtab" | grep -q " ${sym}\$"`; then
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symtab=`echo "$symtab" | grep -v " ${sym}\$"`
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else
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echo " ERROR: Symbol \"$sym\" missing."
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num_errors=`expr $num_errors + 1`
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fi
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}
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#
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# Filter out miscellaneous symbols that get defined by the
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# linker for each shared object.
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#
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function filter_misc {
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ignore _DYNAMIC
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ignore _GLOBAL_OFFSET_TABLE_
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ignore __bss_start
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ignore _edata
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ignore _end
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ignore _Uelf32_get_proc_name
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ignore _Uelf32_valid_object
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ignore _Uelf64_get_proc_name
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ignore _Uelf64_valid_object
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ignore _U.*debug_level
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ignore ICRT.INTERNAL # ICC 8.x defines this
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}
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function check_local_unw_abi {
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match _UL${plat}_create_addr_space
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match _UL${plat}_destroy_addr_space
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match _UL${plat}_get_fpreg
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match _UL${plat}_get_proc_info
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match _UL${plat}_get_proc_info_by_ip
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match _UL${plat}_get_proc_name
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match _UL${plat}_get_reg
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match _UL${plat}_get_save_loc
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match _UL${plat}_init_local
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match _UL${plat}_init_remote
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match _UL${plat}_is_signal_frame
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match _UL${plat}_local_addr_space
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match _UL${plat}_resume
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match _UL${plat}_set_caching_policy
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match _UL${plat}_set_reg
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match _UL${plat}_set_fpreg
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match _UL${plat}_step
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match _U${plat}_flush_cache
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match _U${plat}_get_accessors
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match _U${plat}_getcontext
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match _U${plat}_regname
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match _U_dyn_cancel
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match _U_dyn_info_list_addr
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match _U_dyn_register
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match backtrace
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case ${plat} in
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ia64)
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match _UL${plat}_search_unwind_table
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match _U${plat}_get_elf_image
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;;
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*)
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match _UL${plat}_is_fpreg
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match _UL${plat}_dwarf_search_unwind_table
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;;
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esac
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}
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function check_generic_unw_abi {
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match _U${plat}_create_addr_space
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match _U${plat}_destroy_addr_space
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match _U${plat}_flush_cache
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match _U${plat}_get_accessors
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match _U${plat}_get_fpreg
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match _U${plat}_get_proc_info
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match _U${plat}_get_proc_info_by_ip
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match _U${plat}_get_proc_name
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match _U${plat}_get_reg
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match _U${plat}_get_save_loc
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match _U${plat}_init_local
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match _U${plat}_init_remote
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match _U${plat}_is_signal_frame
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match _U${plat}_local_addr_space
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match _U${plat}_regname
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match _U${plat}_resume
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match _U${plat}_set_caching_policy
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match _U${plat}_set_fpreg
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match _U${plat}_set_reg
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match _U${plat}_step
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case ${plat} in
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ia64)
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match _U${plat}_search_unwind_table
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match _U${plat}_find_dyn_list
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match _U${plat}_get_kernel_table
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match _U${plat}_get_elf_image
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;;
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*)
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match _U${plat}_is_fpreg
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match _U${plat}_dwarf_search_unwind_table
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;;
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esac
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}
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function check_cxx_abi {
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match _Unwind_Backtrace
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match _Unwind_DeleteException
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match _Unwind_FindEnclosingFunction
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match _Unwind_ForcedUnwind
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match _Unwind_GetBSP
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match _Unwind_GetCFA
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match _Unwind_GetDataRelBase
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match _Unwind_GetGR
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match _Unwind_GetIP
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match _Unwind_GetLanguageSpecificData
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match _Unwind_GetRegionStart
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match _Unwind_GetTextRelBase
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match _Unwind_RaiseException
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match _Unwind_Resume
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match _Unwind_Resume_or_Rethrow
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match _Unwind_SetGR
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match _Unwind_SetIP
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case $os in
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linux*)
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# needed only for Intel 8.0 bug-compatibility
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match _ReadSLEB
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match _ReadULEB
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;;
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esac
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}
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function check_empty {
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if [ -n "$symtab" ]; then
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echo -e " ERROR: Extraneous symbols:\n$symtab"
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num_errors=`expr $num_errors + 1`
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fi
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}
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if [ $plat = $build_plat ]; then
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fetch_symtab $LIBUNWIND
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filter_misc
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check_local_unw_abi
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check_cxx_abi
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check_empty
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fi
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fetch_symtab $LIBUNWIND_GENERIC
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filter_misc
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check_generic_unw_abi
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check_empty
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if [ $num_errors -gt 0 ]; then
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echo "FAILURE: Detected $num_errors errors"
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exit -1
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fi
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if $verbose; then
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echo " SUCCESS: all checks passed"
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fi
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exit 0
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@ -0,0 +1,3 @@
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#!/bin/sh
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chmod +x ./check-namespace.sh
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./check-namespace.sh
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