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

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

[Jason Wessel]

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

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mips64_pt_regs_padding.patch

From: Jason Wessel <jason.wessel@windriver.com>
CC: ralf@linux-mips.org
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@windriver.com>

---
 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