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[Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2
From: |
Bill Page |
Subject: |
[Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2 |
Date: |
Tue, 24 Oct 2006 13:55:26 -0400 |
Camm,
On October 24, 2006 11:56 AM you wrote:
> >
> > Aha. No "__srget" symbol defined in the gcl image? Isn't it strange?
> >
>
> Yes, in light of this and previous messages. We need a gdb session
> on raw_pre_gcl. Please let me know if you would like me to walk
> you through one, or whether you can provide me with remote ssh
> access to the box or equivalent.
I am using the SourceForge compile farm machine 'ppc-osx3'. All
registered SourceForge developers have access to these machines.
You should have not problem to access it. Once you can log in,
I can scp my working directories to your account.
> ...
> Come to think of it, there may be a problem like the following:
>
> On Linux systems, libc symbols are postpended with a @@ and
> version number. Here is our code to deal with this (sfasli.c):
> (my comments in ****)
>
> for (u=0;u<v;u++) {
> char *c=NULL;
> struct bfd_link_hash_entry *h;
>
> if (!*q[u]->name)
> continue;
>
> if (strncmp(q[u]->section->name,"*UND*",5) &&
> !(q[u]->flags & BSF_WEAK))
> continue;
>
> *** the above might skip ___srget ***
>
> if ((c=(char *)strstr(q[u]->name,"@@"))) {
> *c=0;
> if
> (!(h=bfd_link_hash_lookup(link_info.hash,q[u]->name,MY_BFD_TRU
> E,MY_BFD_TRUE,MY_BFD_TRUE)))
> FEerror("Cannot make new hash entry",0);
> h->type=bfd_link_hash_new;
> } else if
>
> (!(h=bfd_link_hash_lookup(link_info.hash,q[u]->name,MY_BFD_FAL
SE,MY_BFD_FALSE,MY_BFD_TRUE)) &&
>
> !(h=bfd_link_hash_lookup(link_info.hash,q[u]->name,MY_BFD_TRUE
> ,MY_BFD_TRUE,MY_BFD_TRUE)))
> FEerror("Cannot make new hash entry",0);
>
> *** There might be some other mangling than the @ for ___srget ***
>
> if (h->type!=bfd_link_hash_defined) {
> if (!q[u]->section)
> FEerror("Symbol ~S is missing
> section",1,make_simple_string(q[u]->name));
> if (!my_plt(q[u]->name,&pa)) {
> /* printf("my_plt %s %p\n",q[u]->name,(void *)pa); */
> if (q[u]->value && q[u]->value!=pa)
> FEerror("plt address mismatch", 0);
> else
> q[u]->value=pa;
> }
> if (q[u]->value) {
> h->type=bfd_link_hash_defined;
> h->u.def.value=q[u]->value+q[u]->section->vma;
> h->u.def.section=q[u]->section;
> }
> }
>
> if (c) {
> *c='@';
> c=NULL;
> }
> }
>
> This might be instructive with srget in place of cos:
>
> objdump -x /usr/lib/gcl-2.6.7/unixport/saved_gcl |grep cos
> 0812f590 l F .text 0000015b number_cos
> 00000000 F *UND* 00000026 cos@@GLIBC_2.0
> 0804fb40 F *UND* 00000074 acosh@@GLIBC_2.0
> 08050440 F *UND* 00000081 cosh@@GLIBC_2.0
> 0812f6f0 g F .text 00000047 Lcos
> 00000000 F *UND* 00000026 cosf@@GLIBC_2.0
> 08051200 F *UND* 00000075 acos@@GLIBC_2.0
>
There is no objdump on this OSX 10.2 system. :-(
Shall I try to install GNU binutils? The version bundled with GCL
or a newer one?
Regards,
Bill Page.
- [Axiom-developer] Re: gcl-2.6.8pre on MAC OSX 10.2, (continued)
- [Axiom-developer] Re: gcl-2.6.8pre on MAC OSX 10.2, Camm Maguire, 2006/10/23
- [Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2, Bill Page, 2006/10/23
- [Axiom-developer] Re: gcl-2.6.8pre on MAC OSX 10.2, Camm Maguire, 2006/10/23
- [Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2, Bill Page, 2006/10/23
- RE: [Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2, Bill Page, 2006/10/23
- RE: [Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2, Bill Page, 2006/10/23
- Re: [Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2, Camm Maguire, 2006/10/24
- RE: [Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2, Bill Page, 2006/10/24
- Re: [Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2, Camm Maguire, 2006/10/24
- [Axiom-developer] Re: gcl-2.6.8pre on MAC OSX 10.2, Camm Maguire, 2006/10/24
- [Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2,
Bill Page <=
- [Axiom-developer] Re: gcl-2.6.8pre on MAC OSX 10.2, Camm Maguire, 2006/10/25
- [Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2, Page, Bill, 2006/10/25
- [Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2, Page, Bill, 2006/10/25
- [Axiom-developer] Re: gcl-2.6.8pre on MAC OSX 10.2, Camm Maguire, 2006/10/26
- [Axiom-developer] Re: gcl-2.6.8pre on MAC OSX 10.2, Camm Maguire, 2006/10/26
- [Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2, Page, Bill, 2006/10/26
- [Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2, Page, Bill, 2006/10/26
- Re: [Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2, Gabriel Dos Reis, 2006/10/26
- RE: [Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2, Page, Bill, 2006/10/26
- Re: [Axiom-developer] RE: gcl-2.6.8pre on MAC OSX 10.2, Gabriel Dos Reis, 2006/10/26