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Message-ID: <1423988825-7211-1-git-send-email-wangnan0@huawei.com> Date: Sun, 15 Feb 2015 16:27:05 +0800 From: Wang Nan <wangnan0@...wei.com> To: <linux@....linux.org.uk> CC: <rostedt@...dmis.org>, <lizefan@...wei.com>, <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, <x86@...nel.org> Subject: [RFC PATCH 1/3] early kprobes: ARM: add definition for vmlinux.lds use. This patch defines MAX_OPTINSN_SIZE, MAX_INSN_SIZE and KPROBE_OPCODE_SIZE for ARM for vmlinux.lds.S use. These macros are originally defined in kprobes.h, which are unable to be used in vmlinux.lds. Signed-off-by: Wang Nan <wangnan0@...wei.com> --- arch/arm/kernel/vmlinux.lds.S | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index b31aa73..38ba4fd 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -45,6 +45,16 @@ #define ARM_EXIT_DISCARD(x) x #endif +#ifdef CONFIG_EARLY_KPROBES +# ifdef CONFIG_THUMB2_KERNEL +# error "Thumb2 kernel does not support early kprobes now" +# else +# define MAX_OPTINSN_SIZE (optprobe_template_end - optprobe_template_entry) +# define MAX_INSN_SIZE 2 +# define KPROBE_OPCODE_SIZE 4 +# endif +#endif + OUTPUT_ARCH(arm) ENTRY(stext) -- 1.8.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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