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[hwasan] use a single Printf per line when printing a report (more friendly to android logging) 

llvm-svn: 342164
This commit is contained in:
Kostya Serebryany 2018-09-13 19:14:22 +00:00
parent 8fc05ce340
commit c173a703b5
1 changed files with 8 additions and 5 deletions
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13
compiler-rt/lib/hwasan/hwasan_report.cc
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@ -192,14 +192,17 @@ static void PrintTagsAroundAddr(tag_t *tag_ptr) {
RoundDownTo(reinterpret_cast<uptr>(tag_ptr), row_len));
tag_t *beg_row = center_row_beg - row_len * (num_rows / 2);
tag_t *end_row = center_row_beg + row_len * (num_rows / 2);
InternalScopedString s(GetPageSizeCached());
for (tag_t *row = beg_row; row < end_row; row += row_len) {
Printf("%s", row == center_row_beg ? "=>" : " ");
s.append("%s", row == center_row_beg ? "=>" : " ");
for (uptr i = 0; i < row_len; i++) {
Printf("%s", row + i == tag_ptr ? "[" : " ");
Printf("%02x", row[i]);
Printf("%s", row + i == tag_ptr ? "]" : " ");
s.append("%s", row + i == tag_ptr ? "[" : " ");
s.append("%02x", row[i]);
s.append("%s", row + i == tag_ptr ? "]" : " ");
}
Printf("%s\n", row == center_row_beg ? "<=" : " ");
s.append("%s\n", row == center_row_beg ? "<=" : " ");
Printf("%s", s.data());
s.clear();
}
}