From 784b170a69906c48a688a9ffa7512fc858f8836c Mon Sep 17 00:00:00 2001
From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com>
Date: Sun, 30 Mar 2008 21:36:29 -0700
Subject: [PATCH 061/134] [ARM] Save thread registers in coredumps

Signed-off-by: Brian Swetland <swetland@google.com>
---
 arch/arm/include/asm/elf.h |    6 ++++++
 arch/arm/kernel/process.c  |   10 ++++++++++
 2 files changed, 16 insertions(+), 0 deletions(-)

--- a/arch/arm/include/asm/elf.h
+++ b/arch/arm/include/asm/elf.h
@@ -86,6 +86,10 @@ extern char elf_platform[];
 
 struct elf32_hdr;
 
+struct task_struct;
+
+extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
+
 /*
  * This is used to ensure we don't load something for the wrong architecture.
  */
@@ -113,4 +117,6 @@ extern int arm_elf_read_implies_exec(con
 extern void elf_set_personality(const struct elf32_hdr *);
 #define SET_PERSONALITY(ex)	elf_set_personality(&(ex))
 
+#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
+
 #endif
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -337,6 +337,16 @@ int dump_fpu (struct pt_regs *regs, stru
 EXPORT_SYMBOL(dump_fpu);
 
 /*
+ * Capture the user space registers if the task is not running (in user space)
+ */
+int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs)
+{
+	struct pt_regs ptregs = *task_pt_regs(tsk);
+	elf_core_copy_regs(regs, &ptregs);
+	return 1;
+}
+
+/*
  * Shuffle the argument into the correct register before calling the
  * thread function.  r1 is the thread argument, r2 is the pointer to
  * the thread function, and r3 points to the exit function.
