in reply to Re^9: if Digest::SHA1 loaded Can't load LibXML/LibXML.dll Invalid access to memory location
in thread if Digest::SHA1 loaded Can't load LibXML/LibXML.dll Invalid access to memory location

sections /29, /59, and .reloc are different sizes. .text is identical size. The instructions in .text I am pretty sure (didn't look too deeply, using my tools) are identical except for the effects of relocation. The 2 DLLs have different base addresses, and both are i386 and have identical PE headers except for the relocation. Where can I get a copy of libgcc_s_dw2-1.dll? Strawberry perl 5.8.9.5 doesn't have one.

*Both* files gave me this warning when I used PE Explorer on them.

" Warning! Section </4> (3) extends beyond the raw file offset of section <.bss> (4)."
  • Comment on Re^10: if Digest::SHA1 loaded Can't load LibXML/LibXML.dll Invalid access to memory location

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Re^11: if Digest::SHA1 loaded Can't load LibXML/LibXML.dll Invalid access to memory location
by syphilis (Archbishop) on Dec 05, 2012 at 22:41 UTC
    Where can I get a copy of libgcc_s_dw2-1.dll?

    I've just uploaded it to here.
    It's a dll that ships with the mingw.org builds of 32-bit gcc. Strawberry's compilers are built by a different vendor.

    Thanks for taking a look.

    Cheers,
    Rob
[reply]
      Both ok and broken loaded correctly without error. Win32::LoadLibrary returns a handle for both and reading that handle as a mem block, the first 2 letters were MZ (dll/exe magic). Can not reproduce.
[reply]
        Win32::LoadLibrary returns a handle for both

        Yep - just checked, and Win32::LoadLibrary loads them both just fine for me, too.
        Which means ... what ... it's a DynaLoader bug ?

        For my check, I ran this script (as per the one you posted earlier in this thread): 
        use warnings;
use strict;
use Win32;

my $ret = Win32::LoadLibrary('C:\sisyphusion\PLplot_broken.dll');
print "ret=$ret glr=".Win32::GetLastError()."\n";

$ret = Win32::LoadLibrary('C:\sisyphusion\PLplot_ok.dll');
print "ret=$ret glr=".Win32::GetLastError()."\n";

        [download]
        and that produced the following output: 
        ret=1647050752 glr=0
ret=1659895808 glr=0

        [download]
        It's not just 5.8.9 where this happens, but also 5.8.8, 5.14.0. 5.16.0 (and perhaps other perls as well).

        Cheers,
        Rob
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