Add a __discard sectionto the linker script. Code produced in this section will not be put in the vmlinux file. This is useful when we have to calculate the size of an instruction before actually declaring it (for alignment purposes for instance). This is used by the immediate values.
Signed-off-by: Mathieu Desnoyers <[EMAIL PROTECTED]> Acked-by: H. Peter Anvin <[EMAIL PROTECTED]> CC: Andi Kleen <[EMAIL PROTECTED]> CC: Chuck Ebbert <[EMAIL PROTECTED]> CC: Christoph Hellwig <[EMAIL PROTECTED]> CC: Jeremy Fitzhardinge <[EMAIL PROTECTED]> CC: Thomas Gleixner <[EMAIL PROTECTED]> CC: Ingo Molnar <[EMAIL PROTECTED]> --- arch/x86/kernel/vmlinux_32.lds.S | 1 + arch/x86/kernel/vmlinux_64.lds.S | 1 + 2 files changed, 2 insertions(+) Index: linux-2.6-lttng/arch/x86/kernel/vmlinux_32.lds.S =================================================================== --- linux-2.6-lttng.orig/arch/x86/kernel/vmlinux_32.lds.S 2007-11-14 14:10:43.000000000 -0500 +++ linux-2.6-lttng/arch/x86/kernel/vmlinux_32.lds.S 2007-11-14 14:11:32.000000000 -0500 @@ -205,6 +205,7 @@ SECTIONS /* Sections to be discarded */ /DISCARD/ : { *(.exitcall.exit) + *(__discard) } STABS_DEBUG Index: linux-2.6-lttng/arch/x86/kernel/vmlinux_64.lds.S =================================================================== --- linux-2.6-lttng.orig/arch/x86/kernel/vmlinux_64.lds.S 2007-11-14 14:10:46.000000000 -0500 +++ linux-2.6-lttng/arch/x86/kernel/vmlinux_64.lds.S 2007-11-14 14:11:48.000000000 -0500 @@ -227,6 +227,7 @@ SECTIONS /DISCARD/ : { *(.exitcall.exit) *(.eh_frame) + *(__discard) } STABS_DEBUG -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/