Hey all,
I just finished building a toolchain from the PowerPC 32 book. I followed it
almost exactly, except I substituted Binutils 2.19 so I wouldn't need the
branch update patch.
Anyways, everything came out nice and clean and I was able to compile u-boot,
Linux and all my userspace applications with it. Both u-boot and the kernel are
running fine, but nothing within userspace is working at all, it's really
strange. I loaded a root filesystem with busybox and glibc 2.3.6 which I had
built from a previous cross compiler and it is working with the kernel built
from the clfs toolchain. when I try and drop a binary built from clfs (like
libc-2.7.so or just a simple 'hello world') on this filesystem i get "not
found" as an error from the shell:
root: # ls -l
-rwxr-xr-x 1 root root 10406 Nov 24 02:20 hello
root: # ./hello
-ash: ./hello: not found
root: # strace ./hello
execve("./hello", ["./hello"], [/* 16 vars */]) = -1 ENOENT (No such file or
directory)
dup(2) = 3
fcntl64(3, F_GETFL) = 0x2 (flags O_RDWR)
fstat64(3, {st_mode=S_IFCHR|0600, st_rdev=makedev(4, 71), ...}) = 0
ioctl(3, TCGETS, {B115200 opost isig icanon echo ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x48017000
_llseek(3, 0, 0xbfa2ca38, SEEK_CUR) = -1 ESPIPE (Illegal seek)
write(3, "strace: exec: No such file or dir"..., 40strace: exec: No such file
or directory
) = 40
close(3) = 0
munmap(0x48017000, 4096) = 0
exit_group(1) = ?
I'm completely lost...I don't get the ENOENT error from execve at all. If I try
to load an executable built for the wrong architecture (like x86) I at least
get a meaningful ENOEXEC return value. Anyone seen anything like this?
Also, on a second note, is there any need for pulling and building the ports
addon to glibc if I'm on a PPC405 or PPC440 without an fpu? The guide makes no
mention of this or any other flags that might be used for gcc.
-thanks!
Brian Szmyd | Software Engineer | Quantum Corporation | Office: 720.249.5827 |
Mobile: 303.601.0300 | [EMAIL PROTECTED]
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