Re: ghc6: Re: Update: ... compiling ghc6

[Svante Signell]

On Tue, 2011-04-12 at 21:06 +0200, Samuel Thibault wrote:
> Svante Signell, le Tue 12 Apr 2011 18:18:31 +0200, a écrit :
> > Could not find any reference to __libc_read in either gnumach or hurd
> > code.
> 
> It's glibc, sysdeps/mach/hurd/read.c

Yes, I did find that out, but what code calls that function? I even set
a breakpoint there, but did got into mach-related assembly code in
libc. 

Start it from the beginning? (y or n) y
Breakpoint 2, __libc_read (fd=5, buf=0x17b008, nbytes=8192)
    at ../sysdeps/mach/hurd/read.c:27
27        error_t err = HURD_FD_USE (fd, _hurd_fd_read (descriptor, buf,
&nbytes, -1))
;
(gdb) where
#0  __libc_read (fd=5, buf=0x17b008, nbytes=8192)
    at ../sysdeps/mach/hurd/read.c:27
#1  0x084919c8 in s9qJ_ret ()
#2  0x0861f842 in StgRun ()
#3  0x087c44e0 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
(gdb) n
28        return err ? __hurd_dfail (fd, err) : nbytes;
(gdb) n
27        error_t err = HURD_FD_USE (fd, _hurd_fd_read (descriptor, buf,
&nbytes, -1))
;
(gdb) 
28        return err ? __hurd_dfail (fd, err) : nbytes;
(gdb) 
29      }
(gdb) 
0x084919c8 in s9qJ_ret ()
(gdb) 
Single stepping until exit from function s9qJ_ret,
which has no line number information.
0x0861f842 in StgRun ()
0x084919c8 in s9qJ_ret ()
(gdb) 
Single stepping until exit from function s9qJ_ret,
which has no line number information.
0x0861f842 in StgRun ()
(gdb) 
Single stepping until exit from function StgRun,
which has no line number information.


Program received signal SIGTRAP, Trace/breakpoint trap.
0x010f5f9c in swtch_pri ()

at 
/home/buildd/build/chroot-sid/home/buildd/byhand/eglibc-2.11.2/build-tree/hurd-i386-libc/mach/swtch_pri.S:2
2       
/home/buildd/build/chroot-sid/home/buildd/byhand/eglibc-2.11.2/build-tree/hurd-i386-libc/mach/swtch_pri.S:
 No such file or directory.

in 
/home/buildd/build/chroot-sid/home/buildd/byhand/eglibc-2.11.2/build-tree/hurd-i386-libc/mach/swtch_pri.S
(gdb) 

n: gdb seems to hang, waiting forever
^C