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Trap missing attr forms during dwarf-scan and shut down dwarf reader, don't crash.

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This commit is contained in:
Graydon Hoare 2010-07-02 08:16:04 -07:00
parent 99be02a28d
commit 113c31a26d
1 changed files with 10 additions and 4 deletions
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14
src/rt/rust_crate_reader.cpp
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@ -258,10 +258,16 @@ rust_crate_reader::die::die(die_reader *rdr, uintptr_t off)
dom->get_log().outdent();
} else {
ab = rdr->abbrevs.get_abbrev(ab_idx);
dom->log(rust_log::DWARF, "DIE <0x%" PRIxPTR "> abbrev 0x%"
PRIxPTR, off, ab_idx);
dom->log(rust_log::DWARF, " tag 0x%x, has children: %d",
ab->tag, ab->has_children);
if (!ab) {
dom->log(rust_log::DWARF, " bad abbrev number: 0x%"
PRIxPTR, ab_idx);
rdr->fail();
} else {
dom->log(rust_log::DWARF, "DIE <0x%" PRIxPTR "> abbrev 0x%"
PRIxPTR, off, ab_idx);
dom->log(rust_log::DWARF, " tag 0x%x, has children: %d",
ab->tag, ab->has_children);
}
}
}