Fix ARI warning

[deliverable/binutils-gdb.git] / gdb / nios2-tdep.c

diff --git a/gdb/nios2-tdep.c b/gdb/nios2-tdep.c
index 2c569c6356419758916f1423064309b595ff71b5..3d39451804d9cd3af0ac8b47432ac57580896749 100644 (file)
--- a/gdb/nios2-tdep.c
+++ b/gdb/nios2-tdep.c
@@ -1,5 +1,5 @@
 /* Target-machine dependent code for Nios II, for GDB.
-   Copyright (C) 2012-2016 Free Software Foundation, Inc.
+   Copyright (C) 2012-2017 Free Software Foundation, Inc.
    Contributed by Peter Brookes (pbrookes@altera.com)
    and Andrew Draper (adraper@altera.com).
    Contributed by Mentor Graphics, Inc.
@@ -1772,10 +1772,6 @@ nios2_sw_breakpoint_from_kind (struct gdbarch *gdbarch, int kind, int *size)
     }
 }
 
-/* Implement the breakpoint_from_pc gdbarch hook.  */
-
-GDBARCH_BREAKPOINT_FROM_PC (nios2)
-
 /* Implement the print_insn gdbarch method.  */
 
 static int
@@ -2130,9 +2126,9 @@ static const struct frame_unwind nios2_stub_frame_unwind =
    branch prediction.  */
 
 static CORE_ADDR
-nios2_get_next_pc (struct frame_info *frame, CORE_ADDR pc)
+nios2_get_next_pc (struct regcache *regcache, CORE_ADDR pc)
 {
-  struct gdbarch *gdbarch = get_frame_arch (frame);
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
   unsigned long mach = gdbarch_bfd_arch_info (gdbarch)->mach;
   unsigned int insn;
@@ -2150,10 +2146,10 @@ nios2_get_next_pc (struct frame_info *frame, CORE_ADDR pc)
     
   if (nios2_match_branch (insn, op, mach, &ra, &rb, &imm, &cond))
     {
-      int ras = get_frame_register_signed (frame, ra);
-      int rbs = get_frame_register_signed (frame, rb);
-      unsigned int rau = get_frame_register_unsigned (frame, ra);
-      unsigned int rbu = get_frame_register_unsigned (frame, rb);
+      int ras = regcache_raw_get_signed (regcache, ra);
+      int rbs = regcache_raw_get_signed (regcache, rb);
+      unsigned int rau = regcache_raw_get_unsigned (regcache, ra);
+      unsigned int rbu = regcache_raw_get_unsigned (regcache, rb);
 
       pc += op->size;
       switch (cond)
@@ -2196,7 +2192,7 @@ nios2_get_next_pc (struct frame_info *frame, CORE_ADDR pc)
 
   else if (nios2_match_jmpr (insn, op, mach, &ra)
           || nios2_match_callr (insn, op, mach, &ra))
-    pc = get_frame_register_unsigned (frame, ra);
+    pc = regcache_raw_get_unsigned (regcache, ra);
 
   else if (nios2_match_ldwm (insn, op, mach, &uimm, &ra, &imm, &wb, &id, &ret)
           && ret)
@@ -2204,15 +2200,15 @@ nios2_get_next_pc (struct frame_info *frame, CORE_ADDR pc)
       /* If ra is in the reglist, we have to use the value saved in the
         stack frame rather than the current value.  */
       if (uimm & (1 << NIOS2_RA_REGNUM))
-       pc = nios2_unwind_pc (gdbarch, frame);
+       pc = nios2_unwind_pc (gdbarch, get_current_frame ());
       else
-       pc = get_frame_register_unsigned (frame, NIOS2_RA_REGNUM);
+       pc = regcache_raw_get_unsigned (regcache, NIOS2_RA_REGNUM);
     }
 
   else if (nios2_match_trap (insn, op, mach, &uimm) && uimm == 0)
     {
       if (tdep->syscall_next_pc != NULL)
-       return tdep->syscall_next_pc (frame, op);
+       return tdep->syscall_next_pc (get_current_frame (), op);
     }
 
   else
@@ -2223,16 +2219,16 @@ nios2_get_next_pc (struct frame_info *frame, CORE_ADDR pc)
 
 /* Implement the software_single_step gdbarch method.  */
 
-static int
-nios2_software_single_step (struct frame_info *frame)
+static VEC (CORE_ADDR) *
+nios2_software_single_step (struct regcache *regcache)
 {
-  struct gdbarch *gdbarch = get_frame_arch (frame);
-  struct address_space *aspace = get_frame_address_space (frame);
-  CORE_ADDR next_pc = nios2_get_next_pc (frame, get_frame_pc (frame));
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
+  CORE_ADDR next_pc = nios2_get_next_pc (regcache, regcache_read_pc (regcache));
+  VEC (CORE_ADDR) *next_pcs = NULL;
 
-  insert_single_step_breakpoint (gdbarch, aspace, next_pc);
+  VEC_safe_push (CORE_ADDR, next_pcs, next_pc);
 
-  return 1;
+  return next_pcs;
 }
 
 /* Implement the get_longjump_target gdbarch method.  */
@@ -2340,7 +2336,8 @@ nios2_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 
   set_gdbarch_skip_prologue (gdbarch, nios2_skip_prologue);
   set_gdbarch_stack_frame_destroyed_p (gdbarch, nios2_stack_frame_destroyed_p);
-  SET_GDBARCH_BREAKPOINT_MANIPULATION (nios2);
+  set_gdbarch_breakpoint_kind_from_pc (gdbarch, nios2_breakpoint_kind_from_pc);
+  set_gdbarch_sw_breakpoint_from_kind (gdbarch, nios2_sw_breakpoint_from_kind);
 
   set_gdbarch_dummy_id (gdbarch, nios2_dummy_id);
   set_gdbarch_unwind_pc (gdbarch, nios2_unwind_pc);