check-namespace.sh.in revision ef29eade44fc2aa7e49811a8bd76e941b369b914
1#!/bin/sh 2verbose=false 3if [ "$1" = "-v" ]; then 4 verbose=true 5 shift 6fi 7 8build_plat=@build_arch@ 9plat=@arch@ 10os=@target_os@ 11num_errors=0 12 13LIBUNWIND=../src/.libs/libunwind.so 14LIBUNWIND_GENERIC=../src/.libs/libunwind-${plat}.so 15 16fetch_symtab () { 17 filename=$1 18 19 if [ ! -r $filename ]; then 20 return 21 fi 22 23 if $verbose; then 24 echo "Checking $filename..." 25 fi 26 27 # 28 # Unfortunately, "nm --defined" is a GNU-extension. For portability, 29 # build the list of defined symbols by hand. 30 # 31 symtab=`nm -g $filename` 32 saved_IFS="$IFS" 33 IFS="" 34 undef=`nm -g -u $filename` 35 for line in $undef; do 36 symtab=`echo "$symtab" | grep -v "^${line}"\$` 37 done; 38 IFS="$saved_IFS" 39} 40 41ignore () { 42 sym=$1 43 symtab=`echo "$symtab" | grep -v " ${sym}\$"` 44} 45 46match () { 47 sym=$1 48 if `echo "$symtab" | grep -q " ${sym}\$"`; then 49 symtab=`echo "$symtab" | grep -v " ${sym}\$"` 50 else 51 echo " ERROR: Symbol \"$sym\" missing." 52 num_errors=`expr $num_errors + 1` 53 fi 54} 55 56# 57# Filter out miscellaneous symbols that get defined by the 58# linker for each shared object. 59# 60filter_misc () { 61 ignore _DYNAMIC 62 ignore _GLOBAL_OFFSET_TABLE_ 63 ignore __bss_start 64 ignore _edata 65 ignore _end 66 ignore _Uelf32_get_proc_name 67 ignore _Uelf32_valid_object 68 ignore _Uelf64_get_proc_name 69 ignore _Uelf64_valid_object 70 ignore _U.*debug_level 71 ignore ICRT.INTERNAL # ICC 8.x defines this 72} 73 74check_local_unw_abi () { 75 match _UL${plat}_create_addr_space 76 match _UL${plat}_destroy_addr_space 77 match _UL${plat}_get_fpreg 78 match _UL${plat}_get_proc_info 79 match _UL${plat}_get_proc_info_by_ip 80 match _UL${plat}_get_proc_name 81 match _UL${plat}_get_reg 82 match _UL${plat}_get_save_loc 83 match _UL${plat}_init_local 84 match _UL${plat}_init_remote 85 match _UL${plat}_is_signal_frame 86 match _UL${plat}_local_addr_space 87 match _UL${plat}_resume 88 match _UL${plat}_set_caching_policy 89 match _UL${plat}_set_reg 90 match _UL${plat}_set_fpreg 91 match _UL${plat}_step 92 93 match _U${plat}_flush_cache 94 match _U${plat}_get_accessors 95 match _U${plat}_getcontext 96 match _U${plat}_regname 97 match _U${plat}_strerror 98 99 match _U_dyn_cancel 100 match _U_dyn_info_list_addr 101 match _U_dyn_register 102 103 match backtrace 104 105 case ${plat} in 106 hppa) 107 match _UL${plat}_dwarf_search_unwind_table 108 match _U${plat}_get_elf_image 109 match _U${plat}_setcontext 110 ;; 111 ia64) 112 match _UL${plat}_search_unwind_table 113 match _U${plat}_get_elf_image 114 ;; 115 x86) 116 match _U${plat}_get_elf_image 117 match _U${plat}_is_fpreg 118 match _UL${plat}_dwarf_search_unwind_table 119 ;; 120 x86_64) 121 match _U${plat}_get_elf_image 122 match _U${plat}_is_fpreg 123 match _UL${plat}_dwarf_search_unwind_table 124 match _U${plat}_setcontext 125 ;; 126 *) 127 match _U${plat}_is_fpreg 128 match _UL${plat}_dwarf_search_unwind_table 129 ;; 130 esac 131} 132 133check_generic_unw_abi () { 134 match _U${plat}_create_addr_space 135 match _U${plat}_destroy_addr_space 136 match _U${plat}_flush_cache 137 match _U${plat}_get_accessors 138 match _U${plat}_get_fpreg 139 match _U${plat}_get_proc_info 140 match _U${plat}_get_proc_info_by_ip 141 match _U${plat}_get_proc_name 142 match _U${plat}_get_reg 143 match _U${plat}_get_save_loc 144 match _U${plat}_init_local 145 match _U${plat}_init_remote 146 match _U${plat}_is_signal_frame 147 match _U${plat}_local_addr_space 148 match _U${plat}_regname 149 match _U${plat}_resume 150 match _U${plat}_set_caching_policy 151 match _U${plat}_set_fpreg 152 match _U${plat}_set_reg 153 match _U${plat}_step 154 match _U${plat}_strerror 155 156 case ${plat} in 157 hppa) 158 match _U${plat}_dwarf_search_unwind_table 159 match _U${plat}_get_elf_image 160 ;; 161 ia64) 162 match _U${plat}_search_unwind_table 163 match _U${plat}_find_dyn_list 164 if [ $plat = $build_plat ]; then 165 match _U${plat}_get_elf_image 166 case $os in 167 linux*) 168 match _U${plat}_get_kernel_table 169 ;; 170 esac 171 fi 172 ;; 173 x86) 174 match _U${plat}_get_elf_image 175 match _U${plat}_is_fpreg 176 match _U${plat}_dwarf_search_unwind_table 177 ;; 178 x86_64) 179 match _U${plat}_get_elf_image 180 match _U${plat}_is_fpreg 181 match _U${plat}_dwarf_search_unwind_table 182 ;; 183 *) 184 match _U${plat}_is_fpreg 185 match _U${plat}_dwarf_search_unwind_table 186 ;; 187 esac 188} 189 190check_cxx_abi () { 191 match _Unwind_Backtrace 192 match _Unwind_DeleteException 193 match _Unwind_FindEnclosingFunction 194 match _Unwind_ForcedUnwind 195 match _Unwind_GetBSP 196 match _Unwind_GetCFA 197 match _Unwind_GetDataRelBase 198 match _Unwind_GetGR 199 match _Unwind_GetIP 200 match _Unwind_GetLanguageSpecificData 201 match _Unwind_GetRegionStart 202 match _Unwind_GetTextRelBase 203 match _Unwind_RaiseException 204 match _Unwind_Resume 205 match _Unwind_Resume_or_Rethrow 206 match _Unwind_SetGR 207 match _Unwind_SetIP 208 match __libunwind_Unwind_Backtrace 209 match __libunwind_Unwind_DeleteException 210 match __libunwind_Unwind_FindEnclosingFunction 211 match __libunwind_Unwind_ForcedUnwind 212 match __libunwind_Unwind_GetBSP 213 match __libunwind_Unwind_GetCFA 214 match __libunwind_Unwind_GetDataRelBase 215 match __libunwind_Unwind_GetGR 216 match __libunwind_Unwind_GetIP 217 match __libunwind_Unwind_GetLanguageSpecificData 218 match __libunwind_Unwind_GetRegionStart 219 match __libunwind_Unwind_GetTextRelBase 220 match __libunwind_Unwind_RaiseException 221 match __libunwind_Unwind_Resume 222 match __libunwind_Unwind_Resume_or_Rethrow 223 match __libunwind_Unwind_SetGR 224 match __libunwind_Unwind_SetIP 225 case $os in 226 linux*) 227 # needed only for Intel 8.0 bug-compatibility 228 match _ReadSLEB 229 match _ReadULEB 230 ;; 231 esac 232} 233 234check_empty () { 235 if [ -n "$symtab" ]; then 236 echo -e " ERROR: Extraneous symbols:\n$symtab" 237 num_errors=`expr $num_errors + 1` 238 fi 239} 240 241if [ $plat = $build_plat ]; then 242 fetch_symtab $LIBUNWIND 243 filter_misc 244 check_local_unw_abi 245 check_cxx_abi 246 check_empty 247fi 248 249fetch_symtab $LIBUNWIND_GENERIC 250filter_misc 251check_generic_unw_abi 252check_empty 253 254if [ $num_errors -gt 0 ]; then 255 echo "FAILURE: Detected $num_errors errors" 256 exit 1 257fi 258 259if $verbose; then 260 echo " SUCCESS: all checks passed" 261fi 262exit 0 263