support to utility thread offloading

executer/user/arch/x86_64/arch_args.h

@@ -0,0 +1,113 @@
+#ifndef ARCH_ARGS_H
+#define ARCH_ARGS_H
+
+typedef struct user_regs_struct syscall_args;
+
+static inline int
+get_syscall_args(int pid, syscall_args *args)
+{
+	return ptrace(PTRACE_GETREGS, pid, NULL, args);
+}
+
+static inline int
+set_syscall_args(int pid, syscall_args *args)
+{
+	return ptrace(PTRACE_SETREGS, pid, NULL, args);
+}
+
+static inline unsigned long
+get_syscall_number(syscall_args *args)
+{
+	return args->orig_rax;
+}
+
+static inline unsigned long
+get_syscall_return(syscall_args *args)
+{
+	return args->rax;
+}
+
+static inline unsigned long
+get_syscall_arg1(syscall_args *args)
+{
+	return args->rdi;
+}
+
+static inline unsigned long
+get_syscall_arg2(syscall_args *args)
+{
+	return args->rsi;
+}
+
+static inline unsigned long
+get_syscall_arg3(syscall_args *args)
+{
+	return args->rdx;
+}
+
+static inline unsigned long
+get_syscall_arg4(syscall_args *args)
+{
+	return args->r10;
+}
+
+static inline unsigned long
+get_syscall_arg5(syscall_args *args)
+{
+	return args->r8;
+}
+
+static inline unsigned long
+get_syscall_arg6(syscall_args *args)
+{
+	return args->r9;
+}
+
+static inline void
+set_syscall_number(syscall_args *args, unsigned long value)
+{
+	args->orig_rax = value;
+}
+
+static inline void
+set_syscall_return(syscall_args *args, unsigned long value)
+{
+	args->rax = value;
+}
+
+static inline void
+set_syscall_arg1(syscall_args *args, unsigned long value)
+{
+	args->rdi = value;
+}
+
+static inline void
+set_syscall_arg2(syscall_args *args, unsigned long value)
+{
+	args->rsi = value;
+}
+
+static inline void
+set_syscall_arg3(syscall_args *args, unsigned long value)
+{
+	args->rdx = value;
+}
+
+static inline void
+set_syscall_arg4(syscall_args *args, unsigned long value)
+{
+	args->r10 = value;
+}
+
+static inline void
+set_syscall_arg5(syscall_args *args, unsigned long value)
+{
+	args->r8 = value;
+}
+
+static inline void
+set_syscall_arg6(syscall_args *args, unsigned long value)
+{
+	args->r9 = value;
+}
+#endif