Ruby load problem on AIX

MDMDMD · April 1, 2007, 11:00pm

Hi,
I have built Ruby 1.8.5 on an AIX 5.2 64 bit machine. I am using
xlc with OBJECT_MODE=64. When I try to run the following:

$ gem install rails --include-dependencies
/fasthome/fast3/manas/ruby185/lib/ruby/1.8/powerpc-aix5.3.0.0/
socket.so: load failed - /fasthome/fast3/manas/ruby185/lib/ruby/1.8/
powerpc-aix5.3.0.0/socket.so Not enough spac (LoadError)
from /fasthome/fast3/manas/ruby185/lib/ruby/1.8/net/
protocol.rb:21

Any help or tips is appreciated.

Thanks in advance.

Regards,
-MD

MDMDMD · April 6, 2007, 10:43am

Hi,

Have you resolved this issue?
I tried to investigate why load() failed, but I was not able to figure
out.

Attached patch is to change dln.c behavior not to use load() but
dlopen()
for AIX. This seemed to work in my environment.

% oslevel -s
5300-05-06

% ~/r185-64/bin/ruby -v -rsocket -e ‘p
IPSocket.getaddress(“www.ruby-lang.org”)’
ruby 1.8.5 (2006-08-25) [powerpc-aix5.3.0.0]
“221.186.184.68”

% ~/r185-64/bin/ruby -e ‘p 0xffffffff.class’
Fixnum

If you have any other solution, let me know.

2007/4/2, MD [email protected]:

MDMDMD · May 2, 2007, 9:36am

Hi,

At Fri, 6 Apr 2007 17:43:13 +0900,
Yutaka K. wrote in [ruby-talk:246920]:

Attached patch is to change dln.c behavior not to use load() but dlopen()
for AIX. This seemed to work in my environment.

I eventually found this thread.

                      DLDFLAGS='-Wl,-G -eInit_$(TARGET)'

                      LDFLAGS='-Wl,-brtl -Wl,-bE:ruby.imp'

                      DLDFLAGS="${DLDFLAGS} -Wl,-G -Wl,-bnoentry -Wl,-bexpall"

                      LDFLAGS="${LDFLAGS} -Wl,-brtl -Wl,-bE:ruby.imp"

I don’t know about -bnoentry and -bexpall options, are they
preferable?

-#if defined(_AIX) && ! defined(_IA64)
-static void
-aix_loaderror(const char *pathname)

Do all AIX versions support dlopen()? If not, these probably
should not be removed but be changed the condition.

MDMDMD · May 2, 2007, 1:19pm

Hi,

Thank you very much for catching this thread.

                      DLDFLAGS='-Wl,-G -eInit_$(TARGET)'

                      LDFLAGS='-Wl,-brtl -Wl,-bE:ruby.imp'

                      DLDFLAGS="${DLDFLAGS} -Wl,-G -Wl,-bnoentry -Wl,-bexpall"

                      LDFLAGS="${LDFLAGS} -Wl,-brtl -Wl,-bE:ruby.imp"

I don’t know about -bnoentry and -bexpall options, are they
preferable?
To follow existing code which uses dlopen(), I omitted -e option.
Then, these options are used to supress some error message.

-#if defined(_AIX) && ! defined(_IA64)
-static void
-aix_loaderror(const char *pathname)

Do all AIX versions support dlopen()? If not, these probably
should not be removed but be changed the condition.
I have AIX 4.3.3 machine which is oldest in my test environment,
and it actually has dlopen(), but I think the older version AIX
would not have dlopen() (or broken?). I had prioritized the current
supported versions as matz said ( see [ruby-dev:29154]). I should
have been more carefully to support old versions.

Please give me some time to make another patch? I have noticed
the linker_flag variable you made. I will make new patch against
ruby_1_8 branch or trunk. Since I will test on various AIX versions,
it will take a little…

Thanks and best regards,

MDMDMD · May 2, 2007, 3:27pm

e$B$J$+$@$G$9!#e(B

e$B$a$s$I$/$5$$$N$Ge(Bdeve$B$K?6$j$^$9!#e(B

At Wed, 2 May 2007 20:18:19 +0900,
Yutaka K. wrote in [ruby-talk:249915]:

                      DLDFLAGS='-Wl,-G -eInit_$(TARGET)'

                      LDFLAGS='-Wl,-brtl -Wl,-bE:ruby.imp'

                      DLDFLAGS="${DLDFLAGS} -Wl,-G -Wl,-bnoentry -Wl,-bexpall"

                      LDFLAGS="${LDFLAGS} -Wl,-brtl -Wl,-bE:ruby.imp"

I don’t know about -bnoentry and -bexpall options, are they
preferable?
To follow existing code which uses dlopen(), I omitted -e option.
Then, these options are used to supress some error message.

e$B$D$^$j!"e(Bdlopen()/load()e$B$NABr$H$3$N%%W%7%g%s$OO"F0$7$F$$$k$H$$e(B
e$B$&G’<1$G$$$$$G$7$g$&$+!#e(B

have been more carefully to support old versions.
dlopen()e$B$,$"$l$P;H$&!"$H$$$&$3$H$J$ie(B(configure.ine$BE*$K$Oe(B)e$BOC$O4Je(B
e$BC1$G$$$$$s$G$9$,!"$?$V$s$=$&$OLd20$,27$5$J$$$s$G$7$g$&$M$’!#e(B

Please give me some time to make another patch? I have noticed
the linker_flag variable you made. I will make new patch against
ruby_1_8 branch or trunk. Since I will test on various AIX versions,
it will take a little…

e$B$b$A$m$sLdBj$"$j$^$;$s!#D4$Y$F$$$?$@$1$l$P$"$j$,$?$$$G$9!#e(B

MDMDMD · May 2, 2007, 8:05pm

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yarvcore.c
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% ruby -v
ruby 1.9.0 (2007-05-02 patchlevel 0) [powerpc-aix5.3.0.0]
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MDMDMD · August 13, 2007, 8:02pm

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ruby_1_8 branch or trunk. Since I will test on various AIX versions,
it will take a little…

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% ruby -v -retc -e ‘p $:, 0xffffffff.class’
ruby 1.9.0 (2007-08-13 patchlevel 0) [powerpc-aix5.3.0.0]
[“/home/kanemoto/r19xlc64/lib/ruby/site_ruby/1.9”,
“/home/kanemoto/r19xlc64/lib/ruby/site_ruby/1.9/powerpc-aix5.3.0.0”,
“/home/kanemoto/r19xlc64/lib/ruby/site_ruby”,
“/home/kanemoto/r19xlc64/lib/ruby/1.9”,
“/home/kanemoto/r19xlc64/lib/ruby/1.9/powerpc-aix5.3.0.0”, “.”]
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MDMDMD · August 13, 2007, 9:44pm

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At Tue, 14 Aug 2007 03:01:39 +0900,
Yutaka K. wrote in [ruby-dev:31401]:

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Index: configure.in

— configure.in (revision 12928)
+++ configure.in (working copy)
@@ -1043,9 +1043,9 @@ if test “$with_dln_a_out” != yes; then
: ${LDSHARED=’$(CC) -shared’}
else

```
     : ${LDSHARED='/usr/ccs/bin/ld'}
```

```
     : ${LDSHARED='$(CC)'}
 fi
```

 DLDFLAGS="${linker_flag}-G"' -eInit_$(TARGET)'

 LDFLAGS="${LDFLAGS} ${linker_flag}-brtl"

```
 XLDFLAGS="${linker_flag}-bE:ruby.imp"
```

```
 LDSHARED="$LDSHARED ${linker_flag}-G"
```
```
 DLDFLAGS='-eInit_$(TARGET)'
```

 XLDFLAGS="${linker_flag}-bE:ruby.imp ${linker_flag}-brtl"
 : ${ARCHFILE="ruby.imp"}
                   TRY_LINK='$(CC) $(LDFLAGS) -oconftest

$(INCFLAGS) -I$(hdrdir) $(CPPFLAGS)’
@@ -1360,5 +1360,5 @@ if test “$enable_shared” = ‘yes’; then
;;
aix*)

LIBRUBY_DLDFLAGS="${linker_flag}-G ${linker_flag}-bnoentry $XLDFLAGS"

LIBRUBY_DLDFLAGS="${linker_flag}-bnoentry $XLDFLAGS"
LIBRUBYARG_SHARED=’-L${libdir} -l${RUBY_SO_NAME}’
SOLIBS=’-lm -lc’
Index: vm.c
===================================================================
— vm.c (revision 12928)
+++ vm.c (working copy)
@@ -238,9 +238,11 @@ vm_make_env_each(rb_thread_t *th, rb_con
for (i = 0; i <= local_size; i++) {
env->env[i] = envptr[-local_size + i];

// dp(env->env[i]);
+#if 0

dp(env->env[i]);
if (RUBY_VM_NORMAL_ISEQ_P(cfp->iseq)) {
/* clear value stack for GC */

```
 // envptr[-local_size + i] = 0;
```

```
 envptr[-local_size + i] = 0;
```
}
+#endif
}

MDMDMD · August 16, 2007, 7:10pm

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07/08/14 e$B$Ke(B Nobuyoshi N.[email protected]
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http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=13062
e$B$K$Oe(B

configure.in (aix): enable shared by default.
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