Share thread_rec between gdb and gdbserver

[deliverable/binutils-gdb.git] / gdbserver / linux-nios2-low.cc

diff --git a/gdbserver/linux-nios2-low.cc b/gdbserver/linux-nios2-low.cc
index adbb0f2622e002c7dece2a0bc0c391776198f60f..838b0e9d8a60433b17f459ee2e469067fdf8e3a4 100644 (file)
--- a/gdbserver/linux-nios2-low.cc
+++ b/gdbserver/linux-nios2-low.cc
@@ -39,6 +39,8 @@ public:
 
   const regs_info *get_regs_info () override;
 
+  const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
+
 protected:
 
   void low_arch_setup () override;
@@ -46,12 +48,38 @@ protected:
   bool low_cannot_fetch_register (int regno) override;
 
   bool low_cannot_store_register (int regno) override;
+
+  bool low_supports_breakpoints () override;
+
+  CORE_ADDR low_get_pc (regcache *regcache) override;
+
+  void low_set_pc (regcache *regcache, CORE_ADDR newpc) override;
+
+  bool low_breakpoint_at (CORE_ADDR pc) override;
 };
 
 /* The singleton target ops object.  */
 
 static nios2_target the_nios2_target;
 
+bool
+nios2_target::low_supports_breakpoints ()
+{
+  return true;
+}
+
+CORE_ADDR
+nios2_target::low_get_pc (regcache *regcache)
+{
+  return linux_get_pc_32bit (regcache);
+}
+
+void
+nios2_target::low_set_pc (regcache *regcache, CORE_ADDR pc)
+{
+  linux_set_pc_32bit (regcache, pc);
+}
+
 /* The following definition must agree with the number of registers
    defined in "struct user_regs" in GLIBC
    (sysdeps/unix/sysv/linux/nios2/sys/user.h), and also with
@@ -128,33 +156,33 @@ nios2_target::low_cannot_store_register (int regno)
 static const unsigned int nios2_breakpoint = NIOS2_BREAKPOINT;
 #define nios2_breakpoint_len 4
 
-/* Implementation of linux_target_ops method "sw_breakpoint_from_kind".  */
+/* Implementation of target ops method "sw_breakpoint_from_kind".  */
 
-static const gdb_byte *
-nios2_sw_breakpoint_from_kind (int kind, int *size)
+const gdb_byte *
+nios2_target::sw_breakpoint_from_kind (int kind, int *size)
 {
   *size = nios2_breakpoint_len;
   return (const gdb_byte *) &nios2_breakpoint;
 }
 
-/* Implement the breakpoint_at linux_target_ops method.  */
+/* Implement the low_breakpoint_at linux target ops method.  */
 
-static int
-nios2_breakpoint_at (CORE_ADDR where)
+bool
+nios2_target::low_breakpoint_at (CORE_ADDR where)
 {
   unsigned int insn;
 
   /* For R2, first check for the 2-byte CDX trap.n breakpoint encoding.  */
 #if defined(__nios2_arch__) && __nios2_arch__ == 2
-  the_target->read_memory (where, (unsigned char *) &insn, 2);
+  read_memory (where, (unsigned char *) &insn, 2);
   if (insn == CDX_BREAKPOINT)
-    return 1;
+    return true;
 #endif
 
-  the_target->read_memory (where, (unsigned char *) &insn, 4);
+  read_memory (where, (unsigned char *) &insn, 4);
   if (insn == nios2_breakpoint)
-    return 1;
-  return 0;
+    return true;
+  return false;
 }
 
 /* Fetch the thread-local storage pointer for libthread_db.  */
@@ -249,18 +277,6 @@ nios2_target::get_regs_info ()
   return &myregs_info;
 }
 
-struct linux_target_ops the_low_target =
-{
-  NULL,
-  linux_get_pc_32bit,
-  linux_set_pc_32bit,
-  NULL, /* breakpoint_kind_from_pc */
-  nios2_sw_breakpoint_from_kind,
-  NULL, /* get_next_pcs */
-  0,
-  nios2_breakpoint_at,
-};
-
 /* The linux target ops object.  */
 
 linux_process_target *the_linux_target = &the_nios2_target;