From Craig Silverstein: Better handling of ODR violations which are
not in a function.
This commit is contained in:
Ian Lance Taylor
parent
f7bc09bdbc
commit
79e052eafd
5 changed files with 254 additions and 47 deletions
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@ -421,7 +421,7 @@ Sized_dwarf_line_info<size, big_endian>::process_one_opcode(
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// This means that the current byte is the one immediately
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// after a set of instructions. Record the current line
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// for up to one less than the current address.
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lsm->address -= 1;
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lsm->line_num = -1;
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lsm->end_sequence = true;
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*len = oplen;
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return true;
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@ -606,6 +606,120 @@ Sized_dwarf_line_info<size, big_endian>::input_is_relobj()
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return this->symtab_buffer_ != NULL;
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}
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// Given an Offset_to_lineno_entry vector, and an offset, figure out
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// if the offset points into a function according to the vector (see
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// comments below for the algorithm). If it does, return an iterator
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// into the vector that points to the line-number that contains that
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// offset. If not, it returns vector::end().
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static std::vector<Offset_to_lineno_entry>::const_iterator
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offset_to_iterator(const std::vector<Offset_to_lineno_entry>* offsets,
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off_t offset)
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{
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const Offset_to_lineno_entry lookup_key = { offset, 0, 0, 0 };
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// lower_bound() returns the smallest offset which is >= lookup_key.
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// If no offset in offsets is >= lookup_key, returns end().
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std::vector<Offset_to_lineno_entry>::const_iterator it
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= std::lower_bound(offsets->begin(), offsets->end(), lookup_key);
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// This code is easiest to understand with a concrete example.
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// Here's a possible offsets array:
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// {{offset = 3211, header_num = 0, file_num = 1, line_num = 16}, // 0
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// {offset = 3224, header_num = 0, file_num = 1, line_num = 20}, // 1
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// {offset = 3226, header_num = 0, file_num = 1, line_num = 22}, // 2
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// {offset = 3231, header_num = 0, file_num = 1, line_num = 25}, // 3
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// {offset = 3232, header_num = 0, file_num = 1, line_num = -1}, // 4
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// {offset = 3232, header_num = 0, file_num = 1, line_num = 65}, // 5
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// {offset = 3235, header_num = 0, file_num = 1, line_num = 66}, // 6
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// {offset = 3236, header_num = 0, file_num = 1, line_num = -1}, // 7
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// {offset = 5764, header_num = 0, file_num = 1, line_num = 47}, // 8
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// {offset = 5765, header_num = 0, file_num = 1, line_num = 48}, // 9
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// {offset = 5767, header_num = 0, file_num = 1, line_num = 49}, // 10
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// {offset = 5768, header_num = 0, file_num = 1, line_num = 50}, // 11
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// {offset = 5773, header_num = 0, file_num = 1, line_num = -1}, // 12
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// {offset = 5787, header_num = 1, file_num = 1, line_num = 19}, // 13
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// {offset = 5790, header_num = 1, file_num = 1, line_num = 20}, // 14
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// {offset = 5793, header_num = 1, file_num = 1, line_num = 67}, // 15
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// {offset = 5793, header_num = 1, file_num = 1, line_num = -1}, // 16
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// {offset = 5795, header_num = 1, file_num = 1, line_num = 68}, // 17
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// {offset = 5798, header_num = 1, file_num = 1, line_num = -1}, // 16
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// The entries with line_num == -1 mark the end of a function: the
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// associated offset is one past the last instruction in the
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// function. This can correspond to the beginning of the next
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// function (as is true for offset 3232); alternately, there can be
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// a gap between the end of one function and the start of the next
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// (as is true for the rest, most notably from 3236->5764).
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//
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// Case 1: lookup_key has offset == 10. lower_bound returns
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// offsets[0]. Since it's not an exact match and we're
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// at the beginning of offsets, we return NULL.
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// Case 2: lookup_key has offset 10000. lower_bound returns
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// offset[17] (end()). We return NULL.
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// Case 3: lookup_key has offset == 3211. lower_bound matches
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// offsets[0] exactly, and that's the entry we return.
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// Case 4: lookup_key has offset == 3232. lower_bound returns
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// offsets[4]. That's an exact match, but indicates
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// end-of-function. We check if offsets[5] is also an
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// exact match but not end-of-function. It is, so we
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// return offsets[5].
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// Case 5: lookup_key has offset == 3214. lower_bound returns
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// offsets[1]. Since it's not an exact match, we back
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// up to the offset that's < lookup_key, offsets[0].
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// We note offsets[0] is a valid entry (not end-of-function),
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// so that's the entry we return.
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// Case 6: lookup_key has offset == 4000. lower_bound returns
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// offsets[8]. Since it's not an exact match, we back
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// up to offsets[7]. Since offsets[7] indicates
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// end-of-function, we know lookup_key is between
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// functions, so we return NULL (not a valid offset).
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// Case 7: lookup_key has offset == 5794. lower_bound returns
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// offsets[17]. Since it's not an exact match, we back
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// up to offsets[15]. Note we back up to the *first*
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// entry with offset 5793, not just offsets[17-1].
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// We note offsets[15] is a valid entry, so we return it.
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// If offsets[15] had had line_num == -1, we would have
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// checked offsets[16]. The reason for this is that
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// 15 and 16 can be in an arbitrary order, since we sort
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// only by offset. (Note it doesn't help to use line_number
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// as a secondary sort key, since sometimes we want the -1
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// to be first and sometimes we want it to be last.)
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// This deals with cases (1) and (2).
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if ((it == offsets->begin() && offset < it->offset)
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|| it == offsets->end())
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return offsets->end();
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// This deals with cases (3) and (4).
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if (offset == it->offset)
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{
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while (it != offsets->end()
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&& it->offset == offset
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&& it->line_num == -1)
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++it;
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if (it == offsets->end() || it->offset != offset)
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return offsets->end();
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else
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return it;
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}
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// This handles the first part of case (7) -- we back up to the
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// *first* entry that has the offset that's behind us.
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gold_assert(it != offsets->begin());
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std::vector<Offset_to_lineno_entry>::const_iterator range_end = it;
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--it;
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const off_t range_value = it->offset;
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while (it != offsets->begin() && (it-1)->offset == range_value)
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--it;
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// This handles cases (5), (6), and (7): if any entry in the
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// equal_range [it, range_end) has a line_num != -1, it's a valid
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// match. If not, we're not in a function.
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for (; it != range_end; ++it)
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if (it->line_num != -1)
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return it;
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return offsets->end();
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}
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// Return a string for a file name and line number.
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@ -617,7 +731,6 @@ Sized_dwarf_line_info<size, big_endian>::do_addr2line(unsigned int shndx,
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if (this->data_valid_ == false)
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return "";
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const Offset_to_lineno_entry lookup_key = { offset, 0, 0, 0 };
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const std::vector<Offset_to_lineno_entry>* offsets;
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// If we do not have reloc information, then our input is a .so or
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// some similar data structure where all the information is held in
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@ -630,17 +743,9 @@ Sized_dwarf_line_info<size, big_endian>::do_addr2line(unsigned int shndx,
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return "";
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typename std::vector<Offset_to_lineno_entry>::const_iterator it
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= std::lower_bound(offsets->begin(), offsets->end(), lookup_key);
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// If we found an exact match, great, otherwise find the last entry
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// before the passed-in offset.
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if (it == offsets->end() || it->offset > offset)
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{
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if (it == offsets->begin())
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= offset_to_iterator(offsets, offset);
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if (it == offsets->end())
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return "";
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--it;
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gold_assert(it->offset < offset);
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}
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// Convert the file_num + line_num into a string.
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std::string ret;
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@ -38,6 +38,19 @@ template<int size, bool big_endian>
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class Track_relocs;
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struct LineStateMachine;
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// We can't do better than to keep the offsets in a sorted vector.
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// Here, offset is the key, and file_num/line_num is the value.
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struct Offset_to_lineno_entry
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{
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off_t offset;
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int header_num; // which file-list to use (i.e. which .o file are we in)
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int file_num; // a pointer into files_
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int line_num; // the line number in the source file
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// Offsets are unique within a section, so that's a sufficient sort key.
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bool operator<(const Offset_to_lineno_entry& that) const
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{ return this->offset < that.offset; }
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};
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// This class is used to read the line information from the debugging
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// section of an object file.
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@ -173,18 +186,6 @@ class Sized_dwarf_line_info : public Dwarf_line_info
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Reloc_map;
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Reloc_map reloc_map_;
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// We can't do better than to keep the offsets in a sorted vector.
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// Here, offset is the key, and file_num/line_num is the value.
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struct Offset_to_lineno_entry
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{
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off_t offset;
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int header_num; // which file-list to use (i.e. which .o file are we in)
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int file_num; // a pointer into files_
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int line_num; // the line number in the source file
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// Offsets are unique within a section, so that's a sufficient sort key.
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bool operator<(const Offset_to_lineno_entry& that) const
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{ return this->offset < that.offset; }
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};
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// We have a vector of offset->lineno entries for every input section.
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typedef Unordered_map<unsigned int, std::vector<Offset_to_lineno_entry> >
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Lineno_map;
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@ -32,7 +32,8 @@ if NATIVE_LINKER
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TESTS += debug_msg.sh undef_symbol.sh
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check_DATA += debug_msg.err undef_symbol.err
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check_DATA += debug_msg.err debug_msg_so.err debug_msg_ndebug.err
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check_DATA += undef_symbol.err
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NATIVE_PROGS = \
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constructor_test \
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@ -133,11 +134,46 @@ debug_msg.err: debug_msg.o odr_violation1.o odr_violation2.o gcctestdir/ld
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@echo $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg debug_msg.o odr_violation1.o odr_violation2.o "2>$@"
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@if $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg debug_msg.o odr_violation1.o odr_violation2.o 2>$@; \
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then \
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echo 1>&2 "Link of debug_msg.o should have failed"; \
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echo 1>&2 "Link of debug_msg should have failed"; \
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rm -f $@; \
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exit 1; \
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fi
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# See if we can also detect problems when we're linking .so's, not .o's.
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debug_msg.so: debug_msg.cc
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$(CXXCOMPILE) -O0 -g -shared -w -o $@ $(srcdir)/debug_msg.cc
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odr_violation1.so: odr_violation1.cc
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$(CXXCOMPILE) -O0 -g -shared -w -o $@ $(srcdir)/odr_violation1.cc
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odr_violation2.so: odr_violation2.cc
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$(CXXCOMPILE) -O0 -g -shared -w -o $@ $(srcdir)/odr_violation2.cc
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debug_msg_so.err: debug_msg.so odr_violation1.so odr_violation2.so gcctestdir/ld
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@echo $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg_so debug_msg.so odr_violation1.so odr_violation2.so "2>$@"
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@if $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg_so debug_msg.so odr_violation1.so odr_violation2.so 2>$@; \
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then \
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echo 1>&2 "Link of debug_msg_so should have failed"; \
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rm -f $@; \
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exit 1; \
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fi
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# We also want to make sure we do something reasonable when there's no
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# debug info available. For the best test, we use .so's.
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debug_msg_ndebug.so: debug_msg.cc
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$(CXXCOMPILE) -O0 -g0 -shared -w -o $@ $(srcdir)/debug_msg.cc
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odr_violation1_ndebug.so: odr_violation1.cc
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$(CXXCOMPILE) -O0 -g0 -shared -w -o $@ $(srcdir)/odr_violation1.cc
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odr_violation2_ndebug.so: odr_violation2.cc
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$(CXXCOMPILE) -O0 -g0 -shared -w -o $@ $(srcdir)/odr_violation2.cc
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debug_msg_ndebug.err: debug_msg_ndebug.so odr_violation1_ndebug.so odr_violation2_ndebug.so gcctestdir/ld
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@echo $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg_ndebug debug_msg_ndebug.so odr_violation1_ndebug.so odr_violation2_ndebug.so "2>$@"
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@if $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg_ndebug debug_msg_ndebug.so odr_violation1_ndebug.so odr_violation2_ndebug.so 2>$@; \
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then \
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echo 1>&2 "Link of debug_msg_ndebug should have failed"; \
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rm -f $@; \
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exit 1; \
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fi
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undef_symbol.o: undef_symbol.cc
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$(CXXCOMPILE) -O0 -g -c -fPIC $<
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undef_symbol.so: undef_symbol.o
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@ -43,7 +43,10 @@ build_triplet = @build@
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host_triplet = @host@
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target_triplet = @target@
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_1 = debug_msg.sh undef_symbol.sh
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_2 = debug_msg.err undef_symbol.err
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_2 = debug_msg.err \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ debug_msg_so.err \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ debug_msg_ndebug.err \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ undef_symbol.err
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@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_3 = \
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@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_shared_1_nonpic_test \
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@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_shared_2_nonpic_test \
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@ -1219,7 +1222,40 @@ uninstall-am: uninstall-info-am
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ @echo $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg debug_msg.o odr_violation1.o odr_violation2.o "2>$@"
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ @if $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg debug_msg.o odr_violation1.o odr_violation2.o 2>$@; \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ then \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ echo 1>&2 "Link of debug_msg.o should have failed"; \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ echo 1>&2 "Link of debug_msg should have failed"; \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ rm -f $@; \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exit 1; \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ fi
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# See if we can also detect problems when we're linking .so's, not .o's.
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@GCC_TRUE@@NATIVE_LINKER_TRUE@debug_msg.so: debug_msg.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -O0 -g -shared -w -o $@ $(srcdir)/debug_msg.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@odr_violation1.so: odr_violation1.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -O0 -g -shared -w -o $@ $(srcdir)/odr_violation1.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@odr_violation2.so: odr_violation2.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -O0 -g -shared -w -o $@ $(srcdir)/odr_violation2.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@debug_msg_so.err: debug_msg.so odr_violation1.so odr_violation2.so gcctestdir/ld
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ @echo $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg_so debug_msg.so odr_violation1.so odr_violation2.so "2>$@"
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ @if $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg_so debug_msg.so odr_violation1.so odr_violation2.so 2>$@; \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ then \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ echo 1>&2 "Link of debug_msg_so should have failed"; \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ rm -f $@; \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exit 1; \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ fi
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# We also want to make sure we do something reasonable when there's no
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# debug info available. For the best test, we use .so's.
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@GCC_TRUE@@NATIVE_LINKER_TRUE@debug_msg_ndebug.so: debug_msg.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -O0 -g0 -shared -w -o $@ $(srcdir)/debug_msg.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@odr_violation1_ndebug.so: odr_violation1.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -O0 -g0 -shared -w -o $@ $(srcdir)/odr_violation1.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@odr_violation2_ndebug.so: odr_violation2.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -O0 -g0 -shared -w -o $@ $(srcdir)/odr_violation2.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@debug_msg_ndebug.err: debug_msg_ndebug.so odr_violation1_ndebug.so odr_violation2_ndebug.so gcctestdir/ld
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ @echo $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg_ndebug debug_msg_ndebug.so odr_violation1_ndebug.so odr_violation2_ndebug.so "2>$@"
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ @if $(CXXLINK) -Bgcctestdir/ -Wl,--detect-odr-violations -o debug_msg_ndebug debug_msg_ndebug.so odr_violation1_ndebug.so odr_violation2_ndebug.so 2>$@; \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ then \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ echo 1>&2 "Link of debug_msg_ndebug should have failed"; \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ rm -f $@; \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exit 1; \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ fi
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@ -29,35 +29,64 @@
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check()
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||||
{
|
||||
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 "$1"
|
||||
exit 1
|
||||
fi
|
||||
}
|
||||
|
||||
# We don't know how the compiler might order these variables, so we
|
||||
# can't test for the actual offset from .data, hence the regexp.
|
||||
check "debug_msg.o: in function fn_array:debug_msg.cc(.data+0x[0-9a-fA-F]*): undefined reference to 'undef_fn1()'"
|
||||
check "debug_msg.o: in function fn_array:debug_msg.cc(.data+0x[0-9a-fA-F]*): undefined reference to 'undef_fn2()'"
|
||||
check "debug_msg.o: in function badref1:debug_msg.cc(.data+0x[0-9a-fA-F]*): undefined reference to 'undef_int'"
|
||||
check debug_msg.err "debug_msg.o: in function fn_array:debug_msg.cc(.data+0x[0-9a-fA-F]*): undefined reference to 'undef_fn1()'"
|
||||
check debug_msg.err "debug_msg.o: in function fn_array:debug_msg.cc(.data+0x[0-9a-fA-F]*): undefined reference to 'undef_fn2()'"
|
||||
check debug_msg.err "debug_msg.o: in function badref1:debug_msg.cc(.data+0x[0-9a-fA-F]*): undefined reference to 'undef_int'"
|
||||
|
||||
check "debug_msg.o: in function Base::virtfn():${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):${srcdir}/debug_msg.cc:45: undefined reference to 'undef_int'"
|
||||
check debug_msg.err "debug_msg.o: in function Base::virtfn():${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
|
||||
|
|
|
|||
Loading…
Reference in a new issue