bjoernager/rust
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simplify dumping of pointers to the zst or never alloc

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This commit is contained in:
Oliver Schneider 2016-11-18 10:36:01 +01:00
parent 11a0594a1d
commit fd6a90860c
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GPG key ID: 56D6EEA0FC67AC46
1 changed files with 7 additions and 5 deletions
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12
src/memory.rs
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@ -339,11 +339,8 @@ impl<'a, 'tcx> Memory<'a, 'tcx> {
while let Some(id) = allocs_to_print.pop_front() {
allocs_seen.insert(id);
if id == ZST_ALLOC_ID || id == NEVER_ALLOC_ID { continue; }
let mut msg = format!("Alloc {:<5} ", format!("{}:", id));
if id == ZST_ALLOC_ID {
trace!("{} zst allocation", msg);
continue;
}
let prefix_len = msg.len();
let mut relocations = vec![];
@ -385,7 +382,12 @@ impl<'a, 'tcx> Memory<'a, 'tcx> {
let relocation_width = (self.pointer_size() - 1) * 3;
for (i, target_id) in relocations {
write!(msg, "{:1$}", "", (i - pos) * 3).unwrap();
write!(msg, "└{0:─^1$}┘ ", format!("({})", target_id), relocation_width).unwrap();
let target = match target_id {
ZST_ALLOC_ID => String::from("zst"),
NEVER_ALLOC_ID => String::from("int ptr"),
_ => format!("({})", target_id),
};
write!(msg, "└{0:─^1$}┘ ", target, relocation_width).unwrap();
pos = i + self.pointer_size();
}
trace!("{}", msg);