diff options
| -rw-r--r-- | gold/dwarf_reader.cc | 131 | ||||
| -rw-r--r-- | gold/dwarf_reader.h | 25 | ||||
| -rw-r--r-- | gold/testsuite/Makefile.am | 40 | ||||
| -rw-r--r-- | gold/testsuite/Makefile.in | 40 | ||||
| -rwxr-xr-x | gold/testsuite/debug_msg.sh | 67 |
5 files changed, 255 insertions, 48 deletions
diff --git a/gold/dwarf_reader.cc b/gold/dwarf_reader.cc index af69449..f3a50c6 100644 --- a/gold/dwarf_reader.cc +++ b/gold/dwarf_reader.cc @@ -421,7 +421,7 @@ Sized_dwarf_line_info<size, big_endian>::process_one_opcode( // This means that the current byte is the one immediately // after a set of instructions. Record the current line // for up to one less than the current address. - lsm->address -= 1; + lsm->line_num = -1; lsm->end_sequence = true; *len = oplen; return true; @@ -606,6 +606,120 @@ Sized_dwarf_line_info<size, big_endian>::input_is_relobj() return this->symtab_buffer_ != NULL; } +// Given an Offset_to_lineno_entry vector, and an offset, figure out +// if the offset points into a function according to the vector (see +// comments below for the algorithm). If it does, return an iterator +// into the vector that points to the line-number that contains that +// offset. If not, it returns vector::end(). + +static std::vector<Offset_to_lineno_entry>::const_iterator +offset_to_iterator(const std::vector<Offset_to_lineno_entry>* offsets, + off_t offset) +{ + const Offset_to_lineno_entry lookup_key = { offset, 0, 0, 0 }; + + // lower_bound() returns the smallest offset which is >= lookup_key. + // If no offset in offsets is >= lookup_key, returns end(). + std::vector<Offset_to_lineno_entry>::const_iterator it + = std::lower_bound(offsets->begin(), offsets->end(), lookup_key); + + // This code is easiest to understand with a concrete example. + // Here's a possible offsets array: + // {{offset = 3211, header_num = 0, file_num = 1, line_num = 16}, // 0 + // {offset = 3224, header_num = 0, file_num = 1, line_num = 20}, // 1 + // {offset = 3226, header_num = 0, file_num = 1, line_num = 22}, // 2 + // {offset = 3231, header_num = 0, file_num = 1, line_num = 25}, // 3 + // {offset = 3232, header_num = 0, file_num = 1, line_num = -1}, // 4 + // {offset = 3232, header_num = 0, file_num = 1, line_num = 65}, // 5 + // {offset = 3235, header_num = 0, file_num = 1, line_num = 66}, // 6 + // {offset = 3236, header_num = 0, file_num = 1, line_num = -1}, // 7 + // {offset = 5764, header_num = 0, file_num = 1, line_num = 47}, // 8 + // {offset = 5765, header_num = 0, file_num = 1, line_num = 48}, // 9 + // {offset = 5767, header_num = 0, file_num = 1, line_num = 49}, // 10 + // {offset = 5768, header_num = 0, file_num = 1, line_num = 50}, // 11 + // {offset = 5773, header_num = 0, file_num = 1, line_num = -1}, // 12 + // {offset = 5787, header_num = 1, file_num = 1, line_num = 19}, // 13 + // {offset = 5790, header_num = 1, file_num = 1, line_num = 20}, // 14 + // {offset = 5793, header_num = 1, file_num = 1, line_num = 67}, // 15 + // {offset = 5793, header_num = 1, file_num = 1, line_num = -1}, // 16 + // {offset = 5795, header_num = 1, file_num = 1, line_num = 68}, // 17 + // {offset = 5798, header_num = 1, file_num = 1, line_num = -1}, // 16 + // The entries with line_num == -1 mark the end of a function: the + // associated offset is one past the last instruction in the + // function. This can correspond to the beginning of the next + // function (as is true for offset 3232); alternately, there can be + // a gap between the end of one function and the start of the next + // (as is true for the rest, most notably from 3236->5764). + // + // Case 1: lookup_key has offset == 10. lower_bound returns + // offsets[0]. Since it's not an exact match and we're + // at the beginning of offsets, we return NULL. + // Case 2: lookup_key has offset 10000. lower_bound returns + // offset[17] (end()). We return NULL. + // Case 3: lookup_key has offset == 3211. lower_bound matches + // offsets[0] exactly, and that's the entry we return. + // Case 4: lookup_key has offset == 3232. lower_bound returns + // offsets[4]. That's an exact match, but indicates + // end-of-function. We check if offsets[5] is also an + // exact match but not end-of-function. It is, so we + // return offsets[5]. + // Case 5: lookup_key has offset == 3214. lower_bound returns + // offsets[1]. Since it's not an exact match, we back + // up to the offset that's < lookup_key, offsets[0]. + // We note offsets[0] is a valid entry (not end-of-function), + // so that's the entry we return. + // Case 6: lookup_key has offset == 4000. lower_bound returns + // offsets[8]. Since it's not an exact match, we back + // up to offsets[7]. Since offsets[7] indicates + // end-of-function, we know lookup_key is between + // functions, so we return NULL (not a valid offset). + // Case 7: lookup_key has offset == 5794. lower_bound returns + // offsets[17]. Since it's not an exact match, we back + // up to offsets[15]. Note we back up to the *first* + // entry with offset 5793, not just offsets[17-1]. + // We note offsets[15] is a valid entry, so we return it. + // If offsets[15] had had line_num == -1, we would have + // checked offsets[16]. The reason for this is that + // 15 and 16 can be in an arbitrary order, since we sort + // only by offset. (Note it doesn't help to use line_number + // as a secondary sort key, since sometimes we want the -1 + // to be first and sometimes we want it to be last.) + + // This deals with cases (1) and (2). + if ((it == offsets->begin() && offset < it->offset) + || it == offsets->end()) + return offsets->end(); + + // This deals with cases (3) and (4). + if (offset == it->offset) + { + while (it != offsets->end() + && it->offset == offset + && it->line_num == -1) + ++it; + if (it == offsets->end() || it->offset != offset) + return offsets->end(); + else + return it; + } + + // This handles the first part of case (7) -- we back up to the + // *first* entry that has the offset that's behind us. + gold_assert(it != offsets->begin()); + std::vector<Offset_to_lineno_entry>::const_iterator range_end = it; + --it; + const off_t range_value = it->offset; + while (it != offsets->begin() && (it-1)->offset == range_value) + --it; + + // This handles cases (5), (6), and (7): if any entry in the + // equal_range [it, range_end) has a line_num != -1, it's a valid + // match. If not, we're not in a function. + for (; it != range_end; ++it) + if (it->line_num != -1) + return it; + return offsets->end(); +} // Return a string for a file name and line number. @@ -617,7 +731,6 @@ Sized_dwarf_line_info<size, big_endian>::do_addr2line(unsigned int shndx, if (this->data_valid_ == false) return ""; - const Offset_to_lineno_entry lookup_key = { offset, 0, 0, 0 }; const std::vector<Offset_to_lineno_entry>* offsets; // If we do not have reloc information, then our input is a .so or // some similar data structure where all the information is held in @@ -630,17 +743,9 @@ Sized_dwarf_line_info<size, big_endian>::do_addr2line(unsigned int shndx, return ""; typename std::vector<Offset_to_lineno_entry>::const_iterator it - = std::lower_bound(offsets->begin(), offsets->end(), lookup_key); - - // If we found an exact match, great, otherwise find the last entry - // before the passed-in offset. - if (it == offsets->end() || it->offset > offset) - { - if (it == offsets->begin()) - return ""; - --it; - gold_assert(it->offset < offset); - } + = offset_to_iterator(offsets, offset); + if (it == offsets->end()) + return ""; // Convert the file_num + line_num into a string. std::string ret; diff --git a/gold/dwarf_reader.h b/gold/dwarf_reader.h index 4ce65b0..48ded84 100644 --- a/gold/dwarf_reader.h +++ b/gold/dwarf_reader.h @@ -38,6 +38,19 @@ template<int size, bool big_endian> class Track_relocs; struct LineStateMachine; +// We can't do better than to keep the offsets in a sorted vector. +// Here, offset is the key, and file_num/line_num is the value. +struct Offset_to_lineno_entry +{ + off_t offset; + int header_num; // which file-list to use (i.e. which .o file are we in) + int file_num; // a pointer into files_ + int line_num; // the line number in the source file + // Offsets are unique within a section, so that's a sufficient sort key. + bool operator<(const Offset_to_lineno_entry& that) const + { return this->offset < that.offset; } +}; + // This class is used to read the line information from the debugging // section of an object file. @@ -173,18 +186,6 @@ class Sized_dwarf_line_info : public Dwarf_line_info Reloc_map; Reloc_map reloc_map_; - // We can't do better than to keep the offsets in a sorted vector. - // Here, offset is the key, and file_num/line_num is the value. - struct Offset_to_lineno_entry - { - off_t offset; - int header_num; // which file-list to use (i.e. which .o file are we in) - int file_num; // a pointer into files_ - int line_num; // the line number in the source file - // Offsets are unique within a section, so that's a sufficient sort key. - bool operator<(const Offset_to_lineno_entry& that) const - { return this->offset < that.offset; } - }; // We have a vector of offset->lineno entries for every input section. typedef Unordered_map<unsigned int, std::vector<Offset_to_lineno_entry> > Lineno_map; diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am index 622f4fc..1b0da6e 100644 --- a/gold/testsuite/Makefile.am +++ b/gold/testsuite/Makefile.am @@ -32,7 +32,8 @@ if NATIVE_LINKER TESTS += debug_msg.sh undef_symbol.sh -check_DATA += debug_msg.err undef_symbol.err +check_DATA += debug_msg.err debug_msg_so.err debug_msg_ndebug.err +check_DATA += undef_symbol.err NATIVE_PROGS = \ constructor_test \ @@ -133,11 +134,46 @@ debug_msg.err: debug_msg.o odr_violation1.o odr_violation2.o gcctestdir/ld @echo $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg debug_msg.o odr_violation1.o odr_violation2.o "2>$@" @if $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg debug_msg.o odr_violation1.o odr_violation2.o 2>$@; \ then \ - echo 1>&2 "Link of debug_msg.o should have failed"; \ + echo 1>&2 "Link of debug_msg should have failed"; \ rm -f $@; \ exit 1; \ fi +# See if we can also detect problems when we're linking .so's, not .o's. +debug_msg.so: debug_msg.cc + $(CXXCOMPILE) -O0 -g -shared -w -o $@ $(srcdir)/debug_msg.cc +odr_violation1.so: odr_violation1.cc + $(CXXCOMPILE) -O0 -g -shared -w -o $@ $(srcdir)/odr_violation1.cc +odr_violation2.so: odr_violation2.cc + $(CXXCOMPILE) -O0 -g -shared -w -o $@ $(srcdir)/odr_violation2.cc +debug_msg_so.err: debug_msg.so odr_violation1.so odr_violation2.so gcctestdir/ld + @echo $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg_so debug_msg.so odr_violation1.so odr_violation2.so "2>$@" + @if $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg_so debug_msg.so odr_violation1.so odr_violation2.so 2>$@; \ + then \ + echo 1>&2 "Link of debug_msg_so should have failed"; \ + rm -f $@; \ + exit 1; \ + fi + + +# We also want to make sure we do something reasonable when there's no +# debug info available. For the best test, we use .so's. +debug_msg_ndebug.so: debug_msg.cc + $(CXXCOMPILE) -O0 -g0 -shared -w -o $@ $(srcdir)/debug_msg.cc +odr_violation1_ndebug.so: odr_violation1.cc + $(CXXCOMPILE) -O0 -g0 -shared -w -o $@ $(srcdir)/odr_violation1.cc +odr_violation2_ndebug.so: odr_violation2.cc + $(CXXCOMPILE) -O0 -g0 -shared -w -o $@ $(srcdir)/odr_violation2.cc +debug_msg_ndebug.err: debug_msg_ndebug.so odr_violation1_ndebug.so odr_violation2_ndebug.so gcctestdir/ld + @echo $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg_ndebug debug_msg_ndebug.so odr_violation1_ndebug.so odr_violation2_ndebug.so "2>$@" + @if $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg_ndebug debug_msg_ndebug.so odr_violation1_ndebug.so odr_violation2_ndebug.so 2>$@; \ + then \ + echo 1>&2 "Link of debug_msg_ndebug should have failed"; \ + rm -f $@; \ + exit 1; \ + fi + + undef_symbol.o: undef_symbol.cc $(CXXCOMPILE) -O0 -g -c -fPIC $< undef_symbol.so: undef_symbol.o diff --git a/gold/testsuite/Makefile.in b/gold/testsuite/Makefile.in index 00d7289..f908dc3 100644 --- a/gold/testsuite/Makefile.in +++ b/gold/testsuite/Makefile.in @@ -43,7 +43,10 @@ build_triplet = @build@ host_triplet = @host@ target_triplet = @target@ @GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_1 = debug_msg.sh undef_symbol.sh -@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_2 = debug_msg.err undef_symbol.err +@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_2 = debug_msg.err \ +@GCC_TRUE@@NATIVE_LINKER_TRUE@ debug_msg_so.err \ +@GCC_TRUE@@NATIVE_LINKER_TRUE@ debug_msg_ndebug.err \ +@GCC_TRUE@@NATIVE_LINKER_TRUE@ undef_symbol.err @FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_3 = \ @FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_shared_1_nonpic_test \ @FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_shared_2_nonpic_test \ @@ -1219,7 +1222,40 @@ uninstall-am: uninstall-info-am @GCC_TRUE@@NATIVE_LINKER_TRUE@ @echo $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg debug_msg.o odr_violation1.o odr_violation2.o "2>$@" @GCC_TRUE@@NATIVE_LINKER_TRUE@ @if $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg debug_msg.o odr_violation1.o odr_violation2.o 2>$@; \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ then \ -@GCC_TRUE@@NATIVE_LINKER_TRUE@ echo 1>&2 "Link of debug_msg.o should have failed"; \ +@GCC_TRUE@@NATIVE_LINKER_TRUE@ echo 1>&2 "Link of debug_msg should have failed"; \ +@GCC_TRUE@@NATIVE_LINKER_TRUE@ rm -f $@; \ +@GCC_TRUE@@NATIVE_LINKER_TRUE@ exit 1; \ +@GCC_TRUE@@NATIVE_LINKER_TRUE@ fi + +# See if we can also detect problems when we're linking .so's, not .o's. +@GCC_TRUE@@NATIVE_LINKER_TRUE@debug_msg.so: debug_msg.cc +@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -O0 -g -shared -w -o $@ $(srcdir)/debug_msg.cc +@GCC_TRUE@@NATIVE_LINKER_TRUE@odr_violation1.so: odr_violation1.cc +@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -O0 -g -shared -w -o $@ $(srcdir)/odr_violation1.cc +@GCC_TRUE@@NATIVE_LINKER_TRUE@odr_violation2.so: odr_violation2.cc +@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -O0 -g -shared -w -o $@ $(srcdir)/odr_violation2.cc +@GCC_TRUE@@NATIVE_LINKER_TRUE@debug_msg_so.err: debug_msg.so odr_violation1.so odr_violation2.so gcctestdir/ld +@GCC_TRUE@@NATIVE_LINKER_TRUE@ @echo $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg_so debug_msg.so odr_violation1.so odr_violation2.so "2>$@" +@GCC_TRUE@@NATIVE_LINKER_TRUE@ @if $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg_so debug_msg.so odr_violation1.so odr_violation2.so 2>$@; \ +@GCC_TRUE@@NATIVE_LINKER_TRUE@ then \ +@GCC_TRUE@@NATIVE_LINKER_TRUE@ echo 1>&2 "Link of debug_msg_so should have failed"; \ +@GCC_TRUE@@NATIVE_LINKER_TRUE@ rm -f $@; \ +@GCC_TRUE@@NATIVE_LINKER_TRUE@ exit 1; \ +@GCC_TRUE@@NATIVE_LINKER_TRUE@ fi + +# We also want to make sure we do something reasonable when there's no +# debug info available. For the best test, we use .so's. +@GCC_TRUE@@NATIVE_LINKER_TRUE@debug_msg_ndebug.so: debug_msg.cc +@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -O0 -g0 -shared -w -o $@ $(srcdir)/debug_msg.cc +@GCC_TRUE@@NATIVE_LINKER_TRUE@odr_violation1_ndebug.so: odr_violation1.cc +@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -O0 -g0 -shared -w -o $@ $(srcdir)/odr_violation1.cc +@GCC_TRUE@@NATIVE_LINKER_TRUE@odr_violation2_ndebug.so: odr_violation2.cc +@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -O0 -g0 -shared -w -o $@ $(srcdir)/odr_violation2.cc +@GCC_TRUE@@NATIVE_LINKER_TRUE@debug_msg_ndebug.err: debug_msg_ndebug.so odr_violation1_ndebug.so odr_violation2_ndebug.so gcctestdir/ld +@GCC_TRUE@@NATIVE_LINKER_TRUE@ @echo $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg_ndebug debug_msg_ndebug.so odr_violation1_ndebug.so odr_violation2_ndebug.so "2>$@" +@GCC_TRUE@@NATIVE_LINKER_TRUE@ @if $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg_ndebug debug_msg_ndebug.so odr_violation1_ndebug.so odr_violation2_ndebug.so 2>$@; \ +@GCC_TRUE@@NATIVE_LINKER_TRUE@ then \ +@GCC_TRUE@@NATIVE_LINKER_TRUE@ echo 1>&2 "Link of debug_msg_ndebug should have failed"; \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ rm -f $@; \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ exit 1; \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ fi diff --git a/gold/testsuite/debug_msg.sh b/gold/testsuite/debug_msg.sh index 87c8efb..014deec 100755 --- a/gold/testsuite/debug_msg.sh +++ b/gold/testsuite/debug_msg.sh @@ -29,35 +29,64 @@ check() { - if ! grep -q "$1" debug_msg.err + if ! grep -q "$2" "$1" then - echo "Did not find expected error:" - echo " $1" + echo "Did not find expected error in $1:" + echo " $2" echo "" echo "Actual error output below:" - cat debug_msg.err + cat "$1" + exit 1 + fi +} + +check_missing() +{ + if grep -q "$2" "$1" + then + echo "Found unexpected error in $1:" + echo " $2" + echo "" + echo "Actual error output below:" + cat "$1" exit 1 fi } # We don't know how the compiler might order these variables, so we # can't test for the actual offset from .data, hence the regexp. -check "debug_msg.o: in function fn_array:debug_msg.cc(.data+0x[0-9a-fA-F]*): undefined reference to 'undef_fn1()'" -check "debug_msg.o: in function fn_array:debug_msg.cc(.data+0x[0-9a-fA-F]*): undefined reference to 'undef_fn2()'" -check "debug_msg.o: in function badref1:debug_msg.cc(.data+0x[0-9a-fA-F]*): undefined reference to 'undef_int'" - -check "debug_msg.o: in function Base::virtfn():${srcdir}/debug_msg.cc:50: undefined reference to 'undef_fn1()'" -check "debug_msg.o: in function Derived::virtfn():${srcdir}/debug_msg.cc:55: undefined reference to 'undef_fn2()'" -check "debug_msg.o: in function int testfn<int>(int):${srcdir}/debug_msg.cc:43: undefined reference to 'undef_fn1()'" -check "debug_msg.o: in function int testfn<int>(int):${srcdir}/debug_msg.cc:44: undefined reference to 'undef_fn2()'" -check "debug_msg.o: in function int testfn<int>(int):${srcdir}/debug_msg.cc:45: undefined reference to 'undef_int'" -check "debug_msg.o: in function int testfn<double>(double):${srcdir}/debug_msg.cc:43: undefined reference to 'undef_fn1()'" -check "debug_msg.o: in function int testfn<double>(double):${srcdir}/debug_msg.cc:44: undefined reference to 'undef_fn2()'" -check "debug_msg.o: in function int testfn<double>(double):${srcdir}/debug_msg.cc:45: undefined reference to 'undef_int'" +check debug_msg.err "debug_msg.o: in function fn_array:debug_msg.cc(.data+0x[0-9a-fA-F]*): undefined reference to 'undef_fn1()'" +check debug_msg.err "debug_msg.o: in function fn_array:debug_msg.cc(.data+0x[0-9a-fA-F]*): undefined reference to 'undef_fn2()'" +check debug_msg.err "debug_msg.o: in function badref1:debug_msg.cc(.data+0x[0-9a-fA-F]*): undefined reference to 'undef_int'" + +check debug_msg.err "debug_msg.o: in function Base::virtfn():${srcdir}/debug_msg.cc:50: undefined reference to 'undef_fn1()'" +check debug_msg.err "debug_msg.o: in function Derived::virtfn():${srcdir}/debug_msg.cc:55: undefined reference to 'undef_fn2()'" +check debug_msg.err "debug_msg.o: in function int testfn<int>(int):${srcdir}/debug_msg.cc:43: undefined reference to 'undef_fn1()'" +check debug_msg.err "debug_msg.o: in function int testfn<int>(int):${srcdir}/debug_msg.cc:44: undefined reference to 'undef_fn2()'" +check debug_msg.err "debug_msg.o: in function int testfn<int>(int):${srcdir}/debug_msg.cc:45: undefined reference to 'undef_int'" +check debug_msg.err "debug_msg.o: in function int testfn<double>(double):${srcdir}/debug_msg.cc:43: undefined reference to 'undef_fn1()'" +check debug_msg.err "debug_msg.o: in function int testfn<double>(double):${srcdir}/debug_msg.cc:44: undefined reference to 'undef_fn2()'" +check debug_msg.err "debug_msg.o: in function int testfn<double>(double):${srcdir}/debug_msg.cc:45: undefined reference to 'undef_int'" # Check we detected the ODR (One Definition Rule) violation. -check ": symbol 'Ordering::operator()(int, int)' defined in multiple places (possible ODR violation):" -check "odr_violation1.cc:5" -check "odr_violation2.cc:5" +check debug_msg.err ": symbol 'Ordering::operator()(int, int)' defined in multiple places (possible ODR violation):" +check debug_msg.err "odr_violation1.cc:5" +check debug_msg.err "odr_violation2.cc:5" + +# When linking together .so's, we don't catch the line numbers, but we +# still find all the undefined variables, and the ODR violation. +check debug_msg_so.err "debug_msg.so: undefined reference to 'undef_fn1()'" +check debug_msg_so.err "debug_msg.so: undefined reference to 'undef_fn2()'" +check debug_msg_so.err "debug_msg.so: undefined reference to 'undef_int'" +check debug_msg_so.err ": symbol 'Ordering::operator()(int, int)' defined in multiple places (possible ODR violation):" +check debug_msg_so.err "odr_violation1.cc:5" +check debug_msg_so.err "odr_violation2.cc:5" + +# These messages shouldn't need any debug info to detect: +check debug_msg_ndebug.err "debug_msg_ndebug.so: undefined reference to 'undef_fn1()'" +check debug_msg_ndebug.err "debug_msg_ndebug.so: undefined reference to 'undef_fn2()'" +check debug_msg_ndebug.err "debug_msg_ndebug.so: undefined reference to 'undef_int'" +# However, we shouldn't detect or declare any ODR violation +check_missing debug_msg_ndebug.err "(possible ODR violation)" exit 0 |