gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdb / sparc-ravenscar-thread.c

diff --git a/gdb/sparc-ravenscar-thread.c b/gdb/sparc-ravenscar-thread.c
index 0b4d68a4a4236ab6f1a7381836bc4c0d539d28a8..3455677ab65f3ead3845cf9d38e781af8b46194b 100644 (file)
--- a/gdb/sparc-ravenscar-thread.c
+++ b/gdb/sparc-ravenscar-thread.c
@@ -1,6 +1,6 @@
 /* Ravenscar SPARC target support.
 
-   Copyright (C) 2004-2018 Free Software Foundation, Inc.
+   Copyright (C) 2004-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -24,12 +24,13 @@
 #include "inferior.h"
 #include "ravenscar-thread.h"
 #include "sparc-ravenscar-thread.h"
+#include "gdbarch.h"
 
-static void sparc_ravenscar_fetch_registers (struct regcache *regcache,
-                                             int regnum);
-static void sparc_ravenscar_store_registers (struct regcache *regcache,
-                                             int regnum);
-static void sparc_ravenscar_prepare_to_store (struct regcache *regcache);
+struct sparc_ravenscar_ops : public ravenscar_arch_ops
+{
+  void fetch_registers (struct regcache *, int) override;
+  void store_registers (struct regcache *, int) override;
+};
 
 /* Register offsets from a referenced address (exempli gratia the
    Thread_Descriptor).  The referenced address depends on the register
@@ -100,8 +101,8 @@ register_in_thread_descriptor_p (int regnum)
 /* to_fetch_registers when inferior_ptid is different from the running
    thread.  */
 
-static void
-sparc_ravenscar_fetch_registers (struct regcache *regcache, int regnum)
+void
+sparc_ravenscar_ops::fetch_registers (struct regcache *regcache, int regnum)
 {
   struct gdbarch *gdbarch = regcache->arch ();
   const int sp_regnum = gdbarch_sp_regnum (gdbarch);
@@ -112,7 +113,7 @@ sparc_ravenscar_fetch_registers (struct regcache *regcache, int regnum)
   ULONGEST stack_address;
 
   /* The tid is the thread_id field, which is a pointer to the thread.  */
-  thread_descriptor_address = (CORE_ADDR) ptid_get_tid (inferior_ptid);
+  thread_descriptor_address = (CORE_ADDR) inferior_ptid.tid ();
 
   /* Read the saved SP in the context buffer.  */
   current_address = thread_descriptor_address
@@ -140,20 +141,11 @@ sparc_ravenscar_fetch_registers (struct regcache *regcache, int regnum)
     }
 }
 
-/* to_prepare_to_store when inferior_ptid is different from the running
-   thread.  */
-
-static void
-sparc_ravenscar_prepare_to_store (struct regcache *regcache)
-{
-  /* Nothing to do.  */
-}
-
 /* to_store_registers when inferior_ptid is different from the running
    thread.  */
 
-static void
-sparc_ravenscar_store_registers (struct regcache *regcache, int regnum)
+void
+sparc_ravenscar_ops::store_registers (struct regcache *regcache, int regnum)
 {
   struct gdbarch *gdbarch = regcache->arch ();
   int buf_size = register_size (gdbarch, regnum);
@@ -162,7 +154,7 @@ sparc_ravenscar_store_registers (struct regcache *regcache, int regnum)
 
   if (register_in_thread_descriptor_p (regnum))
     register_address =
-      ptid_get_tid (inferior_ptid) + sparc_register_offsets [regnum];
+      inferior_ptid.tid () + sparc_register_offsets [regnum];
   else if (register_on_stack_p (regnum))
     {
       regcache_cooked_read_unsigned (regcache, SPARC_SP_REGNUM,
@@ -178,12 +170,7 @@ sparc_ravenscar_store_registers (struct regcache *regcache, int regnum)
                 buf_size);
 }
 
-static struct ravenscar_arch_ops sparc_ravenscar_ops =
-{
-  sparc_ravenscar_fetch_registers,
-  sparc_ravenscar_store_registers,
-  sparc_ravenscar_prepare_to_store
-};
+static struct sparc_ravenscar_ops sparc_ravenscar_ops;
 
 /* Register ravenscar_arch_ops in GDBARCH.  */