Hi,
Thanks for your suggestion! But as far as I see, the assembler code in
x86_64cpuid.asm _is_ the reference to OPENSSL_cpuid_setup! The runtime
will call the functions given in the .CRT$XCU section before calling the
main() entry. And it seems to me that the OPENSSL_cpuid_setup function
in crypto/cryptlib.c does have useful code on Windows platforms, and so
should be called, shouldn't it? It initializes a static variable with
some processor specific info, whose value may be taken via the
OPENSSL_ia32cap_loc() function.
I tried printf("%lu", *OPENSSL_ia32cap_loc()), which prints out 0 using
the x64 code, while printing 2951479295 using 32-bit code, indicating
that OPENSSL_cpuid_setup has only been executed with the 32-bit code.
What's the impact of this? Isn't it a bug?
Cheers,
Per
Jack Zhang wrote:
I had got the same problem. I just simply deleted that section
EXTERN OPENSSL_cpuid_setup
section .CRT$XCU
ALIGN 8
DQ OPENSSL_cpuid_setup
section .text code align=64
from the asm file because the extern OpenSSL_cpuid_setup is never
referenced.
Good luck
On Tue, Sep 21, 2010 at 9:57 AM, perfry wrote:
Hi,
I've built 1.0.0a on Windows with VS2005, using nt.mak to get
static libraries.
With x64 I get warnings when linking applications, both
openssl.exe and test programs like sha1test.exe. A snippet of
output from nmake -f ms\nt.mak:
link /nologo /subsystem:console /opt:ref /debug
/out:out32\openssl.exe @C:\DOCUME~1\FRYKEN~1\LOCALS~1\Temp\nm3B3.tmp
LIBCMT.lib(crt0init.obj) : warning LNK4254: section '.CRT'
(60000020) merged into '.rdata' (40000040) with different attributes
And when linking our own application on x64/Release platform:
libeay32.lib(x86_64cpuid.obj) : warning LNK4078: multiple '.CRT'
sections found with different attributes (60500020)
libeay32.lib(x86_64cpuid.obj) : warning LNK4210: .CRT section
exists; there may be unhandled static initializers or terminators
The linker command can be deduced from the following:
Creating temporary file
"c:\utv\ccbas4\ccbase\x64\Release\RSP0000132444832.rsp" with contents
[
/OUT:"../deploy/execs/x64/Release/etnode.exe" /INCREMENTAL:NO
/MANIFEST
/MANIFESTFILE:"x64/Release\etnode.exe.intermediate.manifest"
/DELAYLOAD:"oci.dll" /DEBUG
/PDB:"../deploy/execs/x64/Release/etnode.pdb" /SUBSYSTEM:CONSOLE
/LTCG psapi.lib odbc32.lib odbccp32.lib WS2_32.LIB ADVAPI32.LIB
GDI32.LIB USER32.LIB dbghelp.lib
../snibu/logging-log4cxx/msvc/lib/x64/Release/log4cxxs.lib
../snibu/openssl-1.0.0a/x64/Release/lib/ssleay32.lib
../snibu/openssl-1.0.0a/x64/Release/lib/libeay32.lib
../snibu/oracle/x64/instantclient_10_2/sdk/lib/msvc/oci.lib
../snibu/zlib/msvc/lib/x64/Release/zlibstat.lib kernel32.lib
user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib
shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib
odbccp32.lib DelayImp.lib
".\x64\Release\CCcServApp.obj"
...
".\x64\Release\Bas4Bridge.obj"
]
Creating command line "link.exe
@c:\utv\ccbas4\ccbase\x64\Release\RSP0000132444832.rsp /NOLOGO
/ERRORREPORT:PROMPT"
I've done the following to build openssl:
cd /d C:\utv\snibu\openssl\x64\release\openssl-1.0.0a
call "C:\Program Files\Microsoft Visual Studio
8\VC\vcvarsall.bat" x86_amd64
perl Configure VC-WIN64A --prefix=c:\appl\openssl-1.0.0a\x64\release
ms\do_win64a.bat
nmake -f ms\nt.mak
nmake -f ms\nt.mak install
And the file x86_64cpuid.asm mentioned in the warnings starts with
the following:
default rel
EXTERN OPENSSL_cpuid_setup
section .CRT$XCU
ALIGN 8
DQ OPENSSL_cpuid_setup
section .text code align=64
...
Could somebody help me solve this warning, it seems to me that
OPENSSL_cpuid_setup will not be executed.
Best regards,
Per Frykenvall
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