jankratochvil marked 12 inline comments as done.
jankratochvil added a comment.

In D81119#2073973 <https://reviews.llvm.org/D81119#2073973>, @labath wrote:

> PS: You can still just drop the test if you think that's too much hassle. :)


It is sure nice to learn more the LLDB high standards, thanks for the review.



================
Comment at: lldb/test/Shell/SymbolFile/DWARF/dwarf-sleb128.s:6
+# RUN: llvm-mc -g -dwarf-version=5 -triple x86_64-unknown-linux-gnu %s 
-filetype=obj > %t.o
+# RUN: ld.lld -m elf_x86_64 %t.o -o %t 
+# RUN: %lldb %t -o "p/x magic64" -o exit | FileCheck %s
----------------
labath wrote:
> It's kinda weird (though very useful for tests) but lldb can open .o files 
> too. You should be able to drop the linker and then the main function too.
I admit it works with `.o` now but when I was testing it before it did not 
(despite GDB could open such `.o` file).


================
Comment at: lldb/test/Shell/SymbolFile/DWARF/dwarf-sleb128.s:11-13
+# It is built from this source with a few #-marked patched lines:
+# static const long magic64 = 0xed9a924c00011151;
+# int main(void) { return magic64; }
----------------
labath wrote:
> At this point the file is far enough from the original, that this and the 
> "patched" lines are not useful.
I disagree, this is a minimal C code to produce DWARF containing 
`DW_TAG_variable` + `DW_AT_const_value`. I have reworded the comment.


================
Comment at: lldb/test/Shell/SymbolFile/DWARF/dwarf-sleb128.s:24-28
+       .asciz  "clang version 10.0.0" # string offset=0
+.Linfo_string3:
+       .asciz  "magic64"               # string offset=74
+.Linfo_string4:
+       .asciz  "long int"              # string offset=82
----------------
labath wrote:
> The offset comments aren't correct anymore. Just delete them. (I usually also 
> inline my strings via DW_FORM_string forms, but you don't need to do that if 
> you don't want to).
I just do not think it is worth the development time to make even testcases so 
optimal but OK.


================
Comment at: lldb/unittests/Utility/DataExtractorTest.cpp:270
+                   sizeof(void *));
+  DataExtractor BE(buffer, sizeof(buffer), lldb::eByteOrderBig, sizeof(void 
*));
+
----------------
labath wrote:
> I'm not sure how useful it is to have both big and little versions of these. 
> If you think they add value, you can keep them, but I'd personally just use 
> one (maybe the big one as it's more likely to flush out errors).
I have kept them, what if someone makes there some endianity dependency, dunno.


================
Comment at: lldb/unittests/Utility/DataExtractorTest.cpp:292
+
+  int64_t expected = 
0b0111111100000001111111000000011111110000000111111100000001111111;
+  offset = 0;
----------------
labath wrote:
> Should this be uint64_t ?
Yes, thanks.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D81119/new/

https://reviews.llvm.org/D81119



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