add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/parisc/kernel/ptrace.c
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@@ -127,6 +127,12 @@
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 	unsigned long tmp;
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 	long ret = -EIO;
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+	unsigned long user_regs_struct_size = sizeof(struct user_regs_struct);
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+#ifdef CONFIG_64BIT
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+	if (is_compat_task())
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+		user_regs_struct_size /= 2;
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+#endif
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+
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 	switch (request) {
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 	/* Read the word at location addr in the USER area.  For ptraced
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@@ -182,14 +188,14 @@
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 		return copy_regset_to_user(child,
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 					   task_user_regset_view(current),
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 					   REGSET_GENERAL,
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-					   0, sizeof(struct user_regs_struct),
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+					   0, user_regs_struct_size,
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 					   datap);
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 	case PTRACE_SETREGS:	/* Set all gp regs in the child. */
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 		return copy_regset_from_user(child,
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 					     task_user_regset_view(current),
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 					     REGSET_GENERAL,
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-					     0, sizeof(struct user_regs_struct),
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+					     0, user_regs_struct_size,
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 					     datap);
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 	case PTRACE_GETFPREGS:	/* Get the child FPU state. */
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@@ -303,6 +309,11 @@
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 			}
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 		}
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 		break;
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+	case PTRACE_GETREGS:
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+	case PTRACE_SETREGS:
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+	case PTRACE_GETFPREGS:
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+	case PTRACE_SETFPREGS:
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+		return arch_ptrace(child, request, addr, data);
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 	default:
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 		ret = compat_ptrace_request(child, request, addr, data);