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