labath added inline comments.
================
Comment at: lib/DebugInfo/DWARF/DWARFDebugLoc.cpp:115
- if (!Data.isValidOffsetForDataOfSize(*Offset, 2)) {
- WithColor::error() << "location list overflows the debug_loc section.\n";
- return None;
- }
+ if (!Data.isValidOffsetForDataOfSize(*Offset, 2))
+ return createError("location list overflows the debug_loc section");
----------------
probinson wrote:
> You could do `SavedOffset = *Offset;` here, and then add a `SavedOffset ==
> *Offset` check to the next one. There's no harm to calling a `get*` function
> with an invalid offset.
The debug_loc function doesn't use the SavedOffset pattern, because it is
always reading data in fixed-size chunks. I think it would be better to keep it
that way, as this is slightly more readable.
================
Comment at: test/DebugInfo/X86/dwarfdump-debug-loc-error-cases.s:1
+# RUN: llvm-mc %s -filetype obj -triple x86_64-pc-linux --defsym CASE1=0 -o
%t.o
+# RUN: llvm-dwarfdump -debug-loc %t.o 2>&1 | FileCheck %s
--check-prefix=CONSUME
----------------
probinson wrote:
> I was not aware of `--defsym` that looks incredibly useful!
>
> In a test that generates multiple .o files I prefer to give each one a unique
> name, e.g. `%t0.o` and `%t1.o` etc. It can make it easier to debug a broken
> test.
I'm writing a bunch of tests in assembly these days, so I've learned a lot of
interesting tricks there. :)
I'll update the tests to use distinct file names.
Repository:
rL LLVM
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D63591/new/
https://reviews.llvm.org/D63591
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