GCC 3.2 should be ok, as far as I know.
Sorry, but my knowledge of GCC cross compiling and the ELF executable format
is minimal. I have no idea what is going on here. Maybe the people who
maintain the MIPS simulator have a mailing list that you can post this
question to?
--------------------------------------------------
From: "Cyptmon" <[EMAIL PROTECTED]>
Sent: Wednesday, October 24, 2007 9:32 PM
To: "Crypto++ Users" <[EMAIL PROTECTED]>
Subject: Re: Build issues
>
> Another thing is I am using mips cross compiler version 3.2 which is
> based on gcc compiler version 3.2. Can this also affect the correct
> working of the library?
>
> On Oct 24, 11:30 pm, Cyptmon <[EMAIL PROTECTED]> wrote:
>> A minor correction to my earlier post, the elf parsing code that i
>> pasted, it fails in the data section not the code section, however,
>> the checks that fail are the same except that Text is replaced with
>> data
>>
>> Thanks and waiting for your reply
>>
>> On Oct 24, 11:09 pm, Cyptmon <[EMAIL PROTECTED]> wrote:
>>
>> > I tried running a simple program written in C++ and compiling using
>> > the same command and ran it under the simulator, that works fine,
>> > which tells me that there is something wrong that I am doing when
>> > linking to the library. All other benchmarks compiled with this cross
>> > compiler run fine as well.
>>
>> > Hope you can give me some insight into the problem
>>
>> > On Oct 24, 6:20 pm, Cyptmon <[EMAIL PROTECTED]> wrote:
>>
>> > > Hi,
>>
>> > > I was just wondering if the compiler options that I use for compiling
>> > > the library are fine with the way the library should be compiled,
>> > > some compliance issues or something
>>
>> > > I am pasting the options that I use here again for your quick
>> > > reference, in particular the -Wa,-non_shared and -static options.
>>
>> > > The error is actually on the simulator, it parses the ELF executable
>> > > generated
>>
>> > > stores the address where the executable is loaded in a variable named
>> > > "addr"
>>
>> > > It then parses the headers of the executable, in the header called
>> > > "__libc_freeres_fn"
>>
>> > > It checks for the following there
>>
>> > > if (strcmp(name, "__libc_freeres_fn") == 0) {
>> > > if (Text_start == 0) {
>> > > Text_seek = offset;
>> > > Text_start = addr;
>> > > Text_size = size;
>> > > } else if (addr != Text_start + Text_size){
>>
>> > > if( (addr - ( Text_start + Text_size)) < 256 ){
>> > > #ifdef DEBUG
>> > > fprintf(stderr,"__libc_freeres_fn Minor header aligment
>> > > correction (%x vs %x)\n"
>> > > ,addr,( Text_start + Text_size));
>> > > #endif
>> > > Text_size += size + addr - ( Text_start + Text_size);
>> > > }else
>> > > fatal("__libc_freeres_fn section not contiguous with .text
>> > > section\n");
>>
>> > > //The above line is the error that i get
>>
>> > > Here are the flags that I use for compilation
>>
>> > > LDFLAGS
>> > > = -mips2 -mno-abicalls -mabi=32 -mtune=r6000 -msplit-addresses
>> > > -lm -Wa,--start-group -lc -lnss_files -lnss_dns -lresolv -Wa,--end-
>> > > group
>> > > #MLDOPTS +=-mips2 -Wa,-non_shared
>> > > AR = /usr/local/bin/mipseb-linux-ar
>> > > ARFLAGS = -rv
>> > > RANLIB = /usr/local/bin/mipseb-linux-ranlib
>> > > CP = cp
>> > > MKDIR = mkdir
>> > > EGREP = egrep
>> > > UNAME = $(shell uname)
>> > > ISX86 = $(shell uname -m | $(EGREP) -c "i.86|x86|i86")
>> > > ISMINGW = $(shell uname | $(EGREP) -c "MINGW32")
>>
>> > > CXX = /usr/local/bin/mipseb-linux-g++
>> > > CXXFLAGS = -mips2 -mno-abicalls -mabi=32 -mtune=r6000 -msplit-
>> > > addresses -I. -static -Wa,-non_shared -I. -I/usr/local/mipseb-linux/
>> > > include/c++/3.2 -I/usr/local/mipseb-linux/include/c++/3.2/backward -I/
>> > > usr/local/mipseb-linux/include/c++/3.2/mips-linux-gnu
>>
>> > > #-I. -I/usr/local/mipseb-linux/include/c++/3.2 -I/usr/local/mipseb-
>> > > linux/include/c++/3.2/backward -I/usr/local/mipseb-linux/include/c++/
>> > > 3.2/mips-linux-gnu -static -Wa,-non_shared -mips2 -mno-abicalls -
>> > > mabi=32 -mtune=r6000 -msplit-addresses -mips2 -Wa,-non_shared
>>
>> > > On Oct 24, 5:38 pm, "Wei Dai" <[EMAIL PROTECTED]> wrote:
>>
>> > > > Sorry, I have no idea what that means. Google doesn't even have one
>> > > > hit for
>> > > > "data sections not contiguous", which doesn't make any sense... Did
>> > > > you copy
>> > > > the exact error message?
>>
>> > > > --------------------------------------------------
>> > > > From: "Cyptmon" <[EMAIL PROTECTED]>
>> > > > Sent: Tuesday, October 23, 2007 10:57 PM
>> > > > To: "Crypto++ Users" <[EMAIL PROTECTED]>
>> > > > Subject: Re: Build issues
>>
>> > > > > Hi,
>>
>> > > > > I removed some of the socket related #defines as you suggested
>> > > > > from
>> > > > > config.h
>>
>> > > > > Now the library builds fine
>>
>> > > > > However, when I try to run it on the simulator
>>
>> > > > > It gives the following error for cryptest.exe
>>
>> > > > > ERROR: __libc_subfreeres data sections not contiguous
>>
>> > > > > Would you know anything why this can happen, some compiler/linker
>> > > > > option causing this behavior, some ordering problem ?
>>
>> > > > > Thanks
>>
>> > > > > On Oct 24, 12:18 am, Cyptmon <[EMAIL PROTECTED]> wrote:
>> > > > >> I will recompile the cross compiler in the night and post on the
>> > > > >> list
>> > > > >> if it worked, thanks for the pointers though
>>
>> > > > >> On Oct 23, 11:56 pm, "Wei Dai" <[EMAIL PROTECTED]> wrote:
>>
>> > > > >> > I have a couple of ideas:
>>
>> > > > >> > 1. Edit config.h and comment out the line "#define
>> > > > >> > SOCKETS_AVAILABLE"
>> > > > >> > 2. Recompile your mips glibc with --enable-static-nss
>>
>> > > > >> > --------------------------------------------------
>> > > > >> > From: "Cyptmon" <[EMAIL PROTECTED]>
>> > > > >> > Sent: Tuesday, October 23, 2007 2:09 PM
>> > > > >> > To: "Crypto++ Users" <[EMAIL PROTECTED]>
>> > > > >> > Subject: Build issues
>>
>> > > > >> > > I am trying to build the library for MIPS, I have changed
>> > > > >> > > the make
>> > > > >> > > file and I am putting the changes to the makefile towards
>> > > > >> > > the end.
>> > > > >> > > Now
>> > > > >> > > things compile fine but there is a linker error, it builds
>> > > > >> > > the
>> > > > >> > > library, however, when I try to link it to another program,
>> > > > >> > > it says,
>> > > > >> > > linking not done...
>>
>> > > > >> > > Here are the changes to the Makefile
>>
>> > > > >> > > LDFLAGS
>> > > > >> > > = -mips2 -mno-abicalls -mabi=32 -mtune=r6000 -msplit-addresses
>> > > > >> > > -lm -Wa,--start-group -lc -lnss_files -lnss_dns -lresolv
>> > > > >> > > -Wa,--end-
>> > > > >> > > group
>> > > > >> > > #MLDOPTS +=-mips2 -Wa,-non_shared
>> > > > >> > > AR = /usr/local/bin/mipseb-linux-ar
>> > > > >> > > ARFLAGS = -rv
>> > > > >> > > RANLIB = /usr/local/bin/mipseb-linux-ranlib
>> > > > >> > > CP = cp
>> > > > >> > > MKDIR = mkdir
>> > > > >> > > EGREP = egrep
>> > > > >> > > UNAME = $(shell uname)
>> > > > >> > > ISX86 = $(shell uname -m | $(EGREP) -c "i.86|x86|i86")
>> > > > >> > > ISMINGW = $(shell uname | $(EGREP) -c "MINGW32")
>>
>> > > > >> > > CXX = /usr/local/bin/mipseb-linux-g++
>> > > > >> > > CXXFLAGS
>> > > > >> > > = -mips2 -mno-abicalls -mabi=32 -mtune=r6000 -msplit-
>> > > > >> > > addresses -I. -static -Wa,-non_shared -I.
>> > > > >> > > -I/usr/local/mipseb-linux/
>> > > > >> > > include/c++/3.2
>> > > > >> > > -I/usr/local/mipseb-linux/include/c++/3.2/backward -I/
>> > > > >> > > usr/local/mipseb-linux/include/c++/3.2/mips-linux-gnu
>>
>> > > > >> > > #-I. -I/usr/local/mipseb-linux/include/c++/3.2
>> > > > >> > > -I/usr/local/mipseb-
>> > > > >> > > linux/include/c++/3.2/backward
>> > > > >> > > -I/usr/local/mipseb-linux/include/c++/
>> > > > >> > > 3.2/mips-linux-gnu -static -Wa,-non_shared -mips2 -mno-abicalls
>> > > > >> > > -
>> > > > >> > > mabi=32 -mtune=r6000 -msplit-addresses -mips2 -Wa,-non_shared
>>
>> > > > >> > > SRCS = $(wildcard *.cpp)
>> > > > >> > > ifeq ($(SRCS),) # workaround
>> > > > >> > > wildcard
>> > > > >> > > function
>> > > > >> > > bug in GNU Make 3.77
>> > > > >> > > SRCS = $(shell echo *.cpp)
>> > > > >> > > endif
>> > > > >> > > OBJS = $(SRCS:.cpp=.o)
>> > > > >> > > # test.o needs to be after bench.o for cygwin 1.1.4
>> > > > >> > > (possible ld
>> > > > >> > > bug?)
>> > > > >> > > TESTOBJS = bench.o bench2.o test.o validat1.o validat2.o
>> > > > >> > > validat3.o
>> > > > >> > > adhoc.o datatest.o regtest.o fipsalgt.o dlltest.o
>> > > > >> > > LIBOBJS = $(filter-out $(TESTOBJS),$(OBJS))
>>
>> > > > >> > > Here is the linker errors that I get
>>
>> > > > >> > > /usr/local/bin/mipseb-linux-g++ -o
>> > > > >> > > cryptest.exe -mips2 -mno-abicalls
>> > > > >> > > -mabi=32 -mtune=r6000 -msplit-addresses -I. -static
>> > > > >> > > -Wa,-non_shared -
>> > > > >> > > I. -I/usr/local/mipseb-linux/include/c++/3.2
>> > > > >> > > -I/usr/local/mipseb-linux/
>> > > > >> > > include/c++/3.2/backward
>> > > > >> > > -I/usr/local/mipseb-linux/include/c++/3.2/
>> > > > >> > > mips-linux-gnu bench.o bench2.o test.o validat1.o validat2.o
>> > > > >> > > validat3.o adhoc.o datatest.o regtest.o fipsalgt.o
>> > > > >> > > dlltest.o -L. -
>> > > > >> > > lcryptopp -mips2 -mno-abicalls -mabi=32 -mtune=r6000
>> > > > >> > > -msplit-addresses
>> > > > >> > > -lm -Wa,--start-group -lc -lnss_files -lnss_dns -lresolv
>> > > > >> > > -Wa,--end-
>> > > > >> > > group
>> > > > >> > > /usr/local/lib/gcc-lib/mipseb-linux/3.2.1/../../../../mipseb-linux/lib/
>> > > > >> > > libc.a(nsswitch.o)(.data+0x64): undefined reference to
>> > > > >> > > `_nss_files_getaliasent_r'
>> > > > >> > > /usr/local/lib/gcc-lib/mipseb-linux/3.2.1/../../../../mipseb-linux/lib/
>> > > > >> > > libc.a(nsswitch.o)(.data+0x6c): undefined reference to
>> > > > >> > > `_nss_files_endaliasent'
>> > > > >> > > /usr/local/lib/gcc-lib/mipseb-linux/3.2.1/../../../../mipseb-linux/lib/
>> > > > >> > > libc.a(nsswitch.o)(.data+0x74): undefined reference to
>> > > > >> > > `_nss_files_setaliasent'
>> > > > >> > > /usr/local/lib/gcc-lib/mipseb-linux/3.2.1/../../../../mipseb-linux/lib/
>> > > > >> > > libc.a(nsswitch.o)(.data+0x7c): undefined reference to
>> > > > >> > > `_nss_files_getaliasbyname_r'
>> > > > >> > > /usr/local/lib/gcc-lib/mipseb-linux/3.2.1/../../../../mipseb-linux/lib/
>> > > > >> > > libc.a(nsswitch.o)(.data+0x84): undefined reference to
>> > > > >> > > `_nss_files_getetherent_r'
>> > > > >> > > /usr/local/lib/gcc-lib/mipseb-linux/3.2.1/../../../../mipseb-linux/lib/
>> > > > >> > > libc.a(nsswitch.o)(.data+0x8c): undefined reference to
>> > > > >> > > `_nss_files_endetherent'
>> > > > >> > > /usr/local/lib/gcc-lib/mipseb-linux/3.2.1/../../../../mipseb-linux/lib/
>> > > > >> > > libc.a(nsswitch.o)(.data+0x94): undefined reference to
>> > > > >> > > `_nss_files_setetherent'
>>
>> > > > >> > > This keeps coming for some 50 other things, I
>> > > > >> > > added -Wa,--start-group -
>> > > > >> > > lc -lnss_files -lnss_dns -lresolv -Wa,--end-group to LDFLAGS
>> > > > >> > > to solve
>> > > > >> > > the problem, but it doesnt work
>>
>> > > > > > Thanks in advance
>
>
> >
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the "Crypto++ Users"
Google Group.
To unsubscribe, send an email to [EMAIL PROTECTED]
More information about Crypto++ and this group is available at
http://www.cryptopp.com.
-~----------~----~----~----~------~----~------~--~---
