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| author |   Artem Bityutskiy <dedekind1@gmail.com> | 2009-10-13 08:54:30 +0100 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2009-10-14 10:33:05 +0100 |
| commit | cde3f8607350666c4dd120dbbdbd9c70ffb2ea61 (patch) | |
| tree | 6d4eb66c895f94b922bd2cf6885bae3cf9d843b4 /arch/arm | |
| parent | ARM: 5757/1: Thumb-2: Correct "mov.w pc, lr" instruction which is unpredictable (diff) | |
| download | linux-dev-cde3f8607350666c4dd120dbbdbd9c70ffb2ea61.tar.xz linux-dev-cde3f8607350666c4dd120dbbdbd9c70ffb2ea61.zip | |
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>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/elf.h | 3 | ||||
| -rw-r--r-- | arch/arm/kernel/process.c | 9 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h index c3b911ee9151..6aac3f5bb2f3 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 790fbee92ec5..0d96d0171c05 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) |