From: dave.long@linaro.org (David Long)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v15 01/10] arm64: Add HAVE_REGS_AND_STACK_ACCESS_API feature
Date: Fri, 15 Jul 2016 10:51:23 -0400 [thread overview]
Message-ID: <5788F86B.60305@linaro.org> (raw)
In-Reply-To: <20160715105701.GB14792@e104818-lin.cambridge.arm.com>
On 07/15/2016 06:57 AM, Catalin Marinas wrote:
> On Fri, Jul 08, 2016 at 12:35:45PM -0400, David Long wrote:
>> --- a/arch/arm64/include/asm/ptrace.h
>> +++ b/arch/arm64/include/asm/ptrace.h
>> @@ -74,6 +74,7 @@
>> #define COMPAT_PT_DATA_ADDR 0x10004
>> #define COMPAT_PT_TEXT_END_ADDR 0x10008
>> #ifndef __ASSEMBLY__
>> +#include <linux/bug.h>
>>
>> /* sizeof(struct user) for AArch32 */
>> #define COMPAT_USER_SZ 296
>> @@ -119,6 +120,8 @@ struct pt_regs {
>> u64 syscallno;
>> };
>>
>> +#define MAX_REG_OFFSET offsetof(struct pt_regs, pstate)
>> +
>> #define arch_has_single_step() (1)
>>
>> #ifdef CONFIG_COMPAT
>> @@ -147,6 +150,55 @@ struct pt_regs {
>> #define user_stack_pointer(regs) \
>> (!compat_user_mode(regs) ? (regs)->sp : (regs)->compat_sp)
>>
>> +extern int regs_query_register_offset(const char *name);
>> +extern const char *regs_query_register_name(unsigned int offset);
>
> Is regs_query_register_offset() used anywhere? I grep'ed the kernel with
> these patches applied but couldn't find any use.
>
It's referenced in kernel/trace/trace_probe.c.
>> +extern bool regs_within_kernel_stack(struct pt_regs *regs, unsigned long addr);
>
> This one only seems to be used in arch/arm64/kernel/ptrace.c. Can we
> make it static and remove the declaration?
>
OK.
Thanks,
-dl
next prev parent reply other threads:[~2016-07-15 14:51 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-08 16:35 [PATCH v15 00/10] arm64: Add kernel probes (kprobes) support David Long
2016-07-08 16:35 ` [PATCH v15 01/10] arm64: Add HAVE_REGS_AND_STACK_ACCESS_API feature David Long
2016-07-15 10:57 ` Catalin Marinas
2016-07-15 14:51 ` David Long [this message]
2016-07-15 15:13 ` Catalin Marinas
2016-07-15 17:51 ` David Long
2016-07-19 14:17 ` Catalin Marinas
2016-07-08 16:35 ` [PATCH v15 02/10] arm64: Add more test functions to insn.c David Long
2016-07-08 16:35 ` [PATCH v15 03/10] arm64: add conditional instruction simulation support David Long
2016-07-08 16:35 ` [PATCH v15 04/10] arm64: Kprobes with single stepping support David Long
2016-07-20 9:36 ` Marc Zyngier
2016-07-20 11:16 ` Catalin Marinas
2016-07-20 19:08 ` David Long
2016-07-21 8:44 ` Marc Zyngier
2016-07-20 15:49 ` Catalin Marinas
2016-07-21 14:50 ` David Long
2016-07-20 16:09 ` Marc Zyngier
2016-07-20 16:28 ` Catalin Marinas
2016-07-20 16:31 ` Marc Zyngier
2016-07-20 16:46 ` Marc Zyngier
2016-07-20 17:04 ` Catalin Marinas
2016-07-21 16:33 ` David Long
2016-07-21 17:16 ` Catalin Marinas
2016-07-21 17:23 ` Marc Zyngier
2016-07-21 18:33 ` David Long
2016-07-22 10:16 ` Catalin Marinas
2016-07-22 15:51 ` David Long
2016-07-25 17:13 ` Catalin Marinas
2016-07-25 22:27 ` David Long
2016-07-27 11:50 ` Daniel Thompson
2016-07-27 22:13 ` David Long
2016-07-28 14:40 ` Catalin Marinas
2016-07-29 9:01 ` Daniel Thompson
2016-08-04 4:47 ` David Long
2016-08-08 11:13 ` Daniel Thompson
2016-08-08 14:29 ` David Long
2016-08-08 22:49 ` Masami Hiramatsu
2016-08-09 17:23 ` Catalin Marinas
2016-08-10 20:41 ` David Long
2016-08-08 22:19 ` Masami Hiramatsu
2016-07-26 9:50 ` Daniel Thompson
2016-07-26 16:55 ` Catalin Marinas
2016-07-27 10:01 ` Dave Martin
2016-07-26 17:54 ` Mark Rutland
2016-07-27 11:19 ` Daniel Thompson
2016-07-27 11:38 ` Dave Martin
2016-07-27 11:42 ` Daniel Thompson
2016-07-27 13:38 ` Mark Rutland
2016-07-08 16:35 ` [PATCH v15 05/10] arm64: Blacklist non-kprobe-able symbol David Long
2016-07-08 16:35 ` [PATCH v15 06/10] arm64: Treat all entry code as non-kprobe-able David Long
2016-07-15 16:47 ` Catalin Marinas
2016-07-19 0:53 ` David Long
2016-07-08 16:35 ` [PATCH v15 07/10] arm64: kprobes instruction simulation support David Long
2016-07-10 22:51 ` Paul Gortmaker
2016-07-08 16:35 ` [PATCH v15 08/10] arm64: Add trampoline code for kretprobes David Long
2016-07-19 13:46 ` Catalin Marinas
2016-07-20 18:28 ` David Long
2016-07-08 16:35 ` [PATCH v15 09/10] arm64: Add kernel return probes support (kretprobes) David Long
2016-07-08 16:35 ` [PATCH v15 10/10] kprobes: Add arm64 case in kprobe example module David Long
2016-07-14 16:22 ` [PATCH v15 00/10] arm64: Add kernel probes (kprobes) support Catalin Marinas
2016-07-14 17:09 ` William Cohen
2016-07-15 7:50 ` Catalin Marinas
2016-07-15 8:01 ` Marc Zyngier
2016-07-15 8:59 ` Alex Bennée
2016-07-15 9:04 ` Marc Zyngier
2016-07-15 9:53 ` Marc Zyngier
2016-07-14 17:56 ` David Long
2016-07-19 13:57 ` Catalin Marinas
2016-07-19 14:01 ` David Long
2016-07-19 18:27 ` Catalin Marinas
2016-07-19 19:38 ` David Long
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