gdbserver/linux-low: turn 'siginfo_fixup' into a method

gdbserver/ChangeLog:
2020-04-02  Tankut Baris Aktemur  <tankut.baris.aktemur@intel.com>

	Turn the 'siginfo_fixup' linux target op into a method of
	linux_process_target.

	* linux-low.h (struct linux_target_ops): Remove the op.
	(class linux_process_target) <siginfo_fixup>
	<low_siginfo_fixup>: Declare.
	* linux-low.cc (siginfo_fixup): Turn into...
	(linux_process_target::siginfo_fixup): ...this.
	(linux_process_target::low_siginfo_fixup): Define.
	* linux-x86-low.cc (class x86_target) <low_siginfo_fixup>: Declare.
	(x86_siginfo_fixup): Turn into...
	(x86_target::low_siginfo_fixup): ...this.
	(the_low_target): Remove the op field.
	* linux-aarch64-low.cc (class aarch64_target):
	<low_siginfo_fixup>: Declare.
	(aarch64_linux_siginfo_fixup): Turn into...
	(aarch64_target::low_siginfo_fixup): ...this.
	(the_low_target): Remove the op field.
	* linux-arm-low.cc (the_low_target): Remove the op field.
	* linux-bfin-low.cc (the_low_target): Ditto.
	* linux-crisv32-low.cc (the_low_target): Ditto.
	* linux-m32r-low.cc (the_low_target): Ditto.
	* linux-m68k-low.cc (the_low_target): Ditto.
	* linux-mips-low.cc (the_low_target): Ditto.
	* linux-ppc-low.cc (the_low_target): Ditto.
	* linux-s390-low.cc (the_low_target): Ditto.
	* linux-sh-low.cc (the_low_target): Ditto.
	* linux-tic6x-low.cc (the_low_target): Ditto.
	* linux-tile-low.cc (the_low_target): Ditto.
	* linux-xtensa-low.cc (the_low_target): Ditto.

1 files changed, 12 insertions, 6 deletions

diff --git a/gdbserver/linux-low.h b/gdbserver/linux-low.h
index ca6cf3e..599aead 100644
--- a/gdbserver/linux-low.h
+++ b/gdbserver/linux-low.h
@@ -131,12 +131,6 @@ struct lwp_info;
 
 struct linux_target_ops
 {
-  /* Hook to convert from target format to ptrace format and back.
-     Returns true if any conversion was done; false otherwise.
-     If DIRECTION is 1, then copy from INF to NATIVE.
-     If DIRECTION is 0, copy from NATIVE to INF.  */
-  int (*siginfo_fixup) (siginfo_t *native, gdb_byte *inf, int direction);
-
   /* Hook to call when a new process is created or attached to.
      If extra per-process architecture-specific data is needed,
      allocate it here.  */
@@ -628,6 +622,11 @@ private:
      registers meanwhile, we have the cached data we can rely on.  */
   bool check_stopped_by_watchpoint (lwp_info *child);
 
+  /* Convert a native/host siginfo object, into/from the siginfo in the
+     layout of the inferiors' architecture.  */
+  void siginfo_fixup (siginfo_t *siginfo, gdb_byte *inf_siginfo,
+		      int direction);
+
 protected:
   /* The architecture-specific "low" methods are listed below.  */
 
@@ -683,6 +682,13 @@ protected:
   virtual void low_supply_ptrace_register (regcache *regcache, int regno,
 					   const char *buf);
 
+  /* Hook to convert from target format to ptrace format and back.
+     Returns true if any conversion was done; false otherwise.
+     If DIRECTION is 1, then copy from INF to NATIVE.
+     If DIRECTION is 0, copy from NATIVE to INF.  */
+  virtual bool low_siginfo_fixup (siginfo_t *native, gdb_byte *inf,
+				  int direction);
+
   /* How many bytes the PC should be decremented after a break.  */
   virtual int low_decr_pc_after_break ();
 };