target/linux/goldfish/patches-2.6.30/0061--ARM-Save-thread-registers-in-coredumps.patch

   1 From 784b170a69906c48a688a9ffa7512fc858f8836c Mon Sep 17 00:00:00 2001
   2 From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com>
   3 Date: Sun, 30 Mar 2008 21:36:29 -0700
   4 Subject: [PATCH 061/134] [ARM] Save thread registers in coredumps
   5
   6 Signed-off-by: Brian Swetland <swetland@google.com>
   7 ---
   8  arch/arm/include/asm/elf.h |    6 ++++++
   9  arch/arm/kernel/process.c  |   10 ++++++++++
  10  2 files changed, 16 insertions(+), 0 deletions(-)
  11
  12 --- a/arch/arm/include/asm/elf.h
  13 +++ b/arch/arm/include/asm/elf.h
  14 @@ -86,6 +86,10 @@ extern char elf_platform[];
  15
  16  struct elf32_hdr;
  17
  18 +struct task_struct;
  19 +
  20 +extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
  21 +
  22  /*
  23   * This is used to ensure we don't load something for the wrong architecture.
  24   */
  25 @@ -113,4 +117,6 @@ extern int arm_elf_read_implies_exec(con
  26  extern void elf_set_personality(const struct elf32_hdr *);
  27  #define SET_PERSONALITY(ex)    elf_set_personality(&(ex))
  28
  29 +#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
  30 +
  31  #endif
  32 --- a/arch/arm/kernel/process.c
  33 +++ b/arch/arm/kernel/process.c
  34 @@ -337,6 +337,16 @@ int dump_fpu (struct pt_regs *regs, stru
  35  EXPORT_SYMBOL(dump_fpu);
  36
  37  /*
  38 + * Capture the user space registers if the task is not running (in user space)
  39 + */
  40 +int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs)
  41 +{
  42 +       struct pt_regs ptregs = *task_pt_regs(tsk);
  43 +       elf_core_copy_regs(regs, &ptregs);
  44 +       return 1;
  45 +}
  46 +
  47 +/*
  48   * Shuffle the argument into the correct register before calling the
  49   * thread function.  r1 is the thread argument, r2 is the pointer to
  50   * the thread function, and r3 points to the exit function.