[swift-lldb-dev] Support for the Swift calling convention in lldb
aprantl at apple.com
Fri Oct 14 12:16:16 CDT 2016
Could they be safely identified by their mangled name? Do they have a unique prefix?
> On Oct 14, 2016, at 10:14 AM, Arnold Schwaighofer <aschwaighofer at apple.com> wrote:
> No, this is not the case. Objective-C method thunks use the _T prefix and follow the c calling convention.
>> On Oct 13, 2016, at 1:10 PM, Adrian Prantl <aprantl at apple.com> wrote:
>> My understanding was that once Swift switches to the new calling convention, every function in the Swift namespace (^_T.*) would implicitly use the Swift calling convention. If this assertion should for some reason not be true, we will have to decorate the functions in DWARF with a calling convention attribute.
>> -- adrian
>>> On Oct 13, 2016, at 1:06 PM, Arnold Schwaighofer <aschwaighofer at apple.com> wrote:
>>>> On Oct 13, 2016, at 12:47 PM, Todd Fiala <tfiala at apple.com> wrote:
>>>> e identify C/C++ code that was using this calling convention?
>>> I think, llvm would have to mark such functions with a DWARF entry?
>>> I don’t know how much DWARF info generated by a clang that supports swiftcc would shield an older lldb from having to know about that the function call was swiftcc.
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