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
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