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KGDB: pad pt_regs on MIPS64 for function arguments in an exception

PATCH In review Jason Wessel 1 participant 1 message Oct 15, 2007

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PATCH 19/21 KGDB: pad pt_regs on MIPS64 for function arguments in an exception

Signed-off-by Jason Wessel <[email protected]>

mips64_pt_regs_padding.patch

From: Jason Wessel <[email protected]>
CC: [email protected]
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 <[email protected]>
---
 include/asm-mips/ptrace.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
include/asm-mips/ptrace.h +1 -1
Index: 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