New subject: [Bug 45109] Implement debugging 32-bit processes using 64-bit winedbg

2 May 2018


      https://bugs.winehq.org/show_bug.cgi?id=45109
Bug ID: 45109
           Summary: Implement debugging 32-bit processes using 64-bit
                    winedbg
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: winedbg
          Assignee: wine-bugs@winehq.org
          Reporter: z.figura12@gmail.com
      Distribution: ---
winedbg (but also kernel32 and maybe dbghelp) currently assumes in a lot of
places that the architecture of an inferior process matches the architecture of
winedbg, and fails in an opaque way if it doesn't.
It isn't possible to implement multiple architectures on 32-bit, for reasons
that aren't clear to me (see the documentation for EnumProcessModules(),
https://msdn.microsoft.com/en-us/library/windows/desktop/ms682631(v=vs.85).a...).
But the same restriction doesn't apply to 64-bit, so we should try to let
winedbg handle this.
Tagged as 'enhancement' since in most cases one can be careful enough to use
'wine' or 'wine64' as appropriate. One place where this does seem especially
useful is 32-bit bootstrappers to 64-bit processes or the like, since often the
only reliable way to break into a child process is with the AlsoDebugProcChild
variable.
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[Bug 45109] New: Implement debugging 32-bit processes using 64-bit winedbg