查阅内核代码,发现entry_SYSCALL_64_after_hwframe是从entry_SYSCALL_64开始执行的代码中的标号。因为从entry_SYSCALL_64到entry_SYSCALL_64_after_hwframe的过程中并没有类似于call这样的调用指令,这么说系统调用的入口是从netry_SYSCALL_64开始的。 继续用qemu打个断点看看,毕竟可以看到entry_SYSCALL_64_safe_stack...
| [RecordSession] EXEC_START: status=0x857f (SYSCALL) | [WARN unmap_dead_syscallbufs_if_required() errno: EDOM] Using 4517 to unmap syscallbuf regions for previously exec'd processes | [AutoRemoteSyscalls] syscall munmap { ip:0x70000000 args:(0x7f8c568da000,0x200000,0,0x8,0,140241369...
*/ - if (regs->gpr[0] >= NR_syscalls) - goto skip; - - if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) - trace_sys_enter(regs, regs->gpr[0]); - - if (!is_32bit_task()) - audit_syscall_entry(regs->gpr[0], regs->gpr[3], regs->gpr[4], - regs->gpr[5],...
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_.. re.. m.. p.. __vfs_read pro.. sc.. pr.. f.. rwsem_down_read_failed k.. schedule systemd-journal m.. down_read w.. __do_page_fault sys_read r.. finish_task_sw.. do_page_fault ret.. wo.. down_read wa.. _.. kwo.. entry_SYSCALL_6.....
lat_syscall - time simple entry into the operating system SYNOPSIS lat_syscall [ -P <parallelism> ] [ -W <warmups> ] [ -N <repetitions> ] null|read|write|stat|fstat|open [ file ] DESCRIPTION null measures how long it takes to do getppid(). We chose getppid() because in all UN...
and communication with integral kernel services such as process scheduling. System calls provide an e...
文章目录 一、报错信息 二、解决方案 一、报错信息 --- 编译 Linux 内核 , 执行 sudo make 命令 ,...
对任何人来说都是一样的。更改的每个示例
String comment; // optional comment string for entry // Android-added: Add dataOffset for internal use. // Used by android.util.jar.StrictJarFile from frameworks. long dataOffset; 注释说明这个类对象是操作ZIP 文件的,App中Zip解压缩操作是最容易出差的地方。 常用的代码格式如下: ...