[PATCH 19/21] KGDB: pad pt_regs on MIPS64 for function argumentsin an exception

From: Jason Wessel
Date: Mon Oct 15 2007 - 14:44:46 EST


Signed-off-by: Jason Wessel <jason.wessel@xxxxxxxxxxxxx>
mips64_pt_regs_padding.patch

From: Jason Wessel <jason.wessel@xxxxxxxxxxxxx>
CC: ralf@xxxxxxxxxxxxxx
Subject: [PATCH] pad pt_regs on MIPS64 for function arguments in an exception


When using KGDB the pt_regs structure has the function arguments saved
to the stack. 48 bytes are required for MIPS 64 for this purpose.

Signed-off-by: Jason Wessel <jason.wessel@xxxxxxxxxxxxx>

---
include/asm-mips/ptrace.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.21.1/include/asm-mips/ptrace.h
===================================================================
--- linux-2.6.21.1.orig/include/asm-mips/ptrace.h
+++ linux-2.6.21.1/include/asm-mips/ptrace.h
@@ -28,7 +28,7 @@
* system call/exception. As usual the registers k0/k1 aren't being saved.
*/
struct pt_regs {
-#ifdef CONFIG_32BIT
+#if defined(CONFIG_32BIT) || defined(CONFIG_KGDB)
/* Pad bytes for argument save space on the stack. */
unsigned long pad0[6];
#endif