This patch defines MAX_OPTINSN_SIZE, MAX_INSN_SIZE and KPROBE_OPCODE_SIZE for x86 for vmlinux.lds.S use.
Signed-off-by: Wang Nan <wangn...@huawei.com> --- arch/x86/kernel/vmlinux.lds.S | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 00bf300..e46d877 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -29,6 +29,16 @@ #undef i386 /* in case the preprocessor is a 32bit one */ +#ifdef CONFIG_EARLY_KPROBES +# define MAX_INSN_SIZE 16 +# define RELATIVE_ADDR_SIZE 4 +# define RELATIVEJUMP_SIZE 5 +# define KPROBE_OPCODE_SIZE 1 +# define MAX_OPTIMIZED_LENGTH (MAX_INSN_SIZE + RELATIVE_ADDR_SIZE) +# define MAX_OPTINSN_SIZE ((optprobe_template_end - optprobe_template_entry) + \ + MAX_OPTIMIZED_LENGTH + RELATIVEJUMP_SIZE) +#endif + OUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT) #ifdef CONFIG_X86_32 -- 1.8.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/