Replace breakpoint_reinsert_addr by get_next_pcs operation in GDBServer

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

diff --git a/gdb/gdbserver/linux-nios2-low.c b/gdb/gdbserver/linux-nios2-low.c
index 71542b495a61910b4857e96e0f9506eec3382918..1accc03412014b4265de27319ff37f2f018ea144 100644 (file)
--- a/gdb/gdbserver/linux-nios2-low.c
+++ b/gdb/gdbserver/linux-nios2-low.c
@@ -127,19 +127,21 @@ nios2_set_pc (struct regcache *regcache, CORE_ADDR pc)
 #define NIOS2_BREAKPOINT 0x003b6ffa
 #endif
 
+/* We only register the 4-byte breakpoint, even on R2 targets which also
+   support 2-byte breakpoints.  Since there is no supports_z_point_type
+   function provided, gdbserver never inserts software breakpoints itself
+   and instead relies on GDB to insert the breakpoint of the correct length
+   via a memory write.  */
 static const unsigned int nios2_breakpoint = NIOS2_BREAKPOINT;
 #define nios2_breakpoint_len 4
 
-/* Implement the breakpoint_reinsert_addr linux_target_ops method.  */
+/* Implementation of linux_target_ops method "sw_breakpoint_from_kind".  */
 
-static CORE_ADDR
-nios2_reinsert_addr (void)
+static const gdb_byte *
+nios2_sw_breakpoint_from_kind (int kind, int *size)
 {
-  union nios2_register ra;
-  struct regcache *regcache = get_thread_regcache (current_thread, 1);
-
-  collect_register_by_name (regcache, "ra", ra.buf);
-  return ra.reg32;
+  *size = nios2_breakpoint_len;
+  return (const gdb_byte *) &nios2_breakpoint;
 }
 
 /* Implement the breakpoint_at linux_target_ops method.  */
@@ -225,7 +227,7 @@ static struct regset_info nios2_regsets[] =
   { PTRACE_GETREGSET, PTRACE_SETREGSET, NT_PRSTATUS,
     nios2_num_regs * 4, GENERAL_REGS,
     nios2_fill_gregset, nios2_store_gregset },
-  { 0, 0, 0, -1, -1, NULL, NULL }
+  NULL_REGSET
 };
 
 static struct regsets_info nios2_regsets_info =
@@ -263,15 +265,9 @@ struct linux_target_ops the_low_target =
   NULL,
   nios2_get_pc,
   nios2_set_pc,
-
-  /* We only register the 4-byte breakpoint, even on R2 targets which also
-     support 2-byte breakpoints.  Since there is no supports_z_point_type
-     function provided, gdbserver never inserts software breakpoints itself
-     and instead relies on GDB to insert the breakpoint of the correct length
-     via a memory write.  */
-  (const unsigned char *) &nios2_breakpoint,
-  nios2_breakpoint_len,
-  nios2_reinsert_addr,
+  NULL, /* breakpoint_kind_from_pc */
+  nios2_sw_breakpoint_from_kind,
+  NULL, /* get_next_pcs */
   0,
   nios2_breakpoint_at,
 };