[PATCH 01/13] ptrace: Move ptrace_report_syscall into ptrace.h

Eric W. Biederman
2022-03-09T16:43:26Z

Move ptrace_report_syscall from tracehook.h into ptrace.h where it
belongs.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
---
include/linux/ptrace.h | 27 +++++++++++++++++++++++++++
include/linux/tracehook.h | 26 --------------------------
2 files changed, 27 insertions(+), 26 deletions(-)

diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 8aee2945ff08..91b1074edb4c 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -413,4 +413,31 @@ static inline void user_single_step_report(struct pt_regs *regs)
extern int task_current_syscall(struct task_struct *target, struct syscall_info *info);

extern void sigaction_compat_abi(struct k_sigaction *act, struct k_sigaction *oact);
+
+/*
+ * ptrace report for syscall entry and exit looks identical.
+ */
+static inline int ptrace_report_syscall(unsigned long message)
+{
+ int ptrace = current->ptrace;
+
+ if (!(ptrace & PT_PTRACED))
+ return 0;
+
+ current->ptrace_message = message;
+ ptrace_notify(SIGTRAP | ((ptrace & PT_TRACESYSGOOD) ? 0x80 : 0));
+
+ /*
+ * this isn't the same as continuing with a signal, but it will do
+ * for normal use. strace only continues with a signal if the
+ * stopping signal is not SIGTRAP. -brl
+ */
+ if (current->exit_code) {
+ send_sig(current->exit_code, current, 1);
+ current->exit_code = 0;
+ }
+
+ current->ptrace_message = 0;
+ return fatal_signal_pending(current);
+}
#endif
diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h
index 88c007ab5ebc..998bc3863559 100644
--- a/include/linux/tracehook.h
+++ b/include/linux/tracehook.h
@@ -51,32 +51,6 @@
#include <linux/blk-cgroup.h>
struct linux_binprm;

-/*
- * ptrace report for syscall entry and exit looks identical.
- */
-static inline int ptrace_report_syscall(unsigned long message)
-{
- int ptrace = current->ptrace;
-
- if (!(ptrace & PT_PTRACED))
- return 0;
-
- current->ptrace_message = message;
- ptrace_notify(SIGTRAP | ((ptrace & PT_TRACESYSGOOD) ? 0x80 : 0));
-
- /*
- * this isn't the same as continuing with a signal, but it will do
- * for normal use. strace only continues with a signal if the
- * stopping signal is not SIGTRAP. -brl
- */
- if (current->exit_code) {
- send_sig(current->exit_code, current, 1);
- current->exit_code = 0;
- }
-
- current->ptrace_message = 0;
- return fatal_signal_pending(current);
-}

/**
* tracehook_report_syscall_entry - task is about to attempt a system call
--
2.29.2