The following commit has been merged in the linux branch: commit cde3f8607350666c4dd120dbbdbd9c70ffb2ea61 Author: Artem Bityutskiy dedekind1@gmail.com Date: Tue Oct 13 08:54:30 2009 +0100
ARM: 5759/1: Add register information of threads to coredump
Defines ELF_CORE_COPY_TASK_REGS so that CPU register information of every thread is included in coredump. Without this, only the faulting thread is coredumped.
Cc: Roger Quadros ext-roger.quadros@nokia.com Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Mika Westerberg mika.westerberg@iki.fi Signed-off-by: Artem Bityutskiy Artem.Bityutskiy@nokia.com Signed-off-by: Russell King rmk+kernel@arm.linux.org.uk
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h index c3b911e..6aac3f5 100644 --- a/arch/arm/include/asm/elf.h +++ b/arch/arm/include/asm/elf.h @@ -98,6 +98,9 @@ extern int elf_check_arch(const struct elf32_hdr *); extern int arm_elf_read_implies_exec(const struct elf32_hdr *, int); #define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(&(ex), stk)
+int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs); +#define ELF_CORE_COPY_TASK_REGS dump_task_regs + #define USE_ELF_CORE_DUMP #define ELF_EXEC_PAGESIZE 4096
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 790fbee..0d96d01 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -328,6 +328,15 @@ copy_thread(unsigned long clone_flags, unsigned long stack_start, }
/* + * Fill in the task's elfregs structure for a core dump. + */ +int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs) +{ + elf_core_copy_regs(elfregs, task_pt_regs(t)); + return 1; +} + +/* * fill in the fpe structure for a core dump... */ int dump_fpu (struct pt_regs *regs, struct user_fp *fp)