-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Bernhard Fischer wrote: | On Thu, Mar 27, 2008 at 10:07:54AM -0700, Khem Raj wrote: |> -----BEGIN PGP SIGNED MESSAGE----- |> Hash: SHA1 |> |> Bernhard Fischer wrote: |> | On Thu, Mar 27, 2008 at 01:57:02AM -0700, Khem Raj wrote: |> |> -----BEGIN PGP SIGNED MESSAGE----- |> |> Hash: SHA1 |> |> |> |> Hi |> |> |> |> While compiling uclibc on thumb and running LTP tests on it I noticed |> |> that the sched_setaffinity system calls were failing. The reason is that |> |> when the parameters to syscall macros on ARM contain function calls, gcc |> |> places the calls to evaluate the parameters at the very end just before |> |> the system call instruction (SVC) is called. |> |> This corrupts the registers that has been set up for the system call. |> |> |> |> This patch evaluates the arguments in LOAD_ARGS_x macros and also |> |> separates declaration to make it more PPC like. Thanks to Daniel |> |> Jacobowitz for this suggestion. |> | |> | Khem, |> | |> | Since you seem to use ARM, may i ask you to take a look and clean-up |> | syscalls.h? Specifically this one spot: |> | |> | The INTERNAL_SYSCALL macro is duplicated, apparently needlessly. |> | Search for "r7, v3" in libc/sysdeps/linux/arm/bits/syscalls.h |> |> There are 4 different variants of INTERNAL_SYSCALL | | 2 of them are identical, AFAICS.
hmmm the thumb ones. Now those needs patch to get rid of push/pop too. IIRC Paul Brook sent this patch I forgot to merge it. I will do that today. Now i dont know if the OABI one still works. I know the EABI one works. Thanks - -- Khem Raj MontaVista Software Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFH693fUjbQJxVzeZQRArmaAJ9KEIFanI1ZYZSBAgxte3Hqags/XQCeLnMC WAqAjCuVgPWLD3cnzU1bzQI= =VCJw -----END PGP SIGNATURE----- _______________________________________________ uClibc mailing list [email protected] http://busybox.net/cgi-bin/mailman/listinfo/uclibc
