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 <mathieu.desnoyers@polymtl.ca>
CC: Andi Kleen <ak@muc.de>
CC: "H. Peter Anvin" <hpa@zytor.com>
CC: Chuck Ebbert <cebbert@redhat.com>
CC: Christoph Hellwig <hch@infradead.org>
CC: Jeremy Fitzhardinge <jeremy@goop.org>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Ingo Molnar <mingo@redhat.com>
---
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
-
| Andrew Morton | Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3 |
| Rafael J. Wysocki | [Bug #11806] iwl3945 fails with microcode error |
| Greg KH | [GIT PATCH] driver core patches against 2.6.24 |
| Andrew Morton | -mm merge plans for 2.6.23 |
git: | |
| Gerrit Renker | [PATCH 27/37] dccp: Integration of dynamic feature activation - part 2 (server side) |
| David Miller | Re: [GIT]: Networking |
| Jarek Poplawski | [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock(). |
| Jeff Kirsher | [RESEND NET-NEXT PATCH 08/20] igb: Introduce multiple TX queues with infrastructure |
