gas: slightly relax .startof.()/.sizeof.() testcase

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

diff --git a/gdb/cris-tdep.c b/gdb/cris-tdep.c
index 3103f1c7e6a303f0389d148efd90c8af54a124f6..aefd44ad192acb0d428e8b9cf870b673e60fe02d 100644 (file)
--- a/gdb/cris-tdep.c
+++ b/gdb/cris-tdep.c
@@ -1,6 +1,6 @@
 /* Target dependent code for CRIS, for GDB, the GNU debugger.
 
-   Copyright (C) 2001-2016 Free Software Foundation, Inc.
+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
 
    Contributed by Axis Communications AB.
    Written by Hendrik Ruijter, Stefan Andersson, and Orjan Friberg.
@@ -1989,25 +1989,25 @@ find_cris_op (unsigned short insn, inst_env_type *inst_env)
    actually an internal error.  */
 
 static int
-find_step_target (struct frame_info *frame, inst_env_type *inst_env)
+find_step_target (struct regcache *regcache, inst_env_type *inst_env)
 {
   int i;
   int offset;
   unsigned short insn;
-  struct gdbarch *gdbarch = get_frame_arch (frame);
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
   enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
 
   /* Create a local register image and set the initial state.  */
   for (i = 0; i < NUM_GENREGS; i++)
     {
       inst_env->reg[i] = 
-       (unsigned long) get_frame_register_unsigned (frame, i);
+       (unsigned long) regcache_raw_get_unsigned (regcache, i);
     }
   offset = NUM_GENREGS;
   for (i = 0; i < NUM_SPECREGS; i++)
     {
       inst_env->preg[i] = 
-       (unsigned long) get_frame_register_unsigned (frame, offset + i);
+       (unsigned long) regcache_raw_get_unsigned (regcache, offset + i);
     }
   inst_env->branch_found = 0;
   inst_env->slot_needed = 0;
@@ -2060,16 +2060,16 @@ find_step_target (struct frame_info *frame, inst_env_type *inst_env)
    digs through the opcodes in order to find all possible targets.
    Either one ordinary target or two targets for branches may be found.  */
 
-static int
-cris_software_single_step (struct frame_info *frame)
+static VEC (CORE_ADDR) *
+cris_software_single_step (struct regcache *regcache)
 {
-  struct gdbarch *gdbarch = get_frame_arch (frame);
-  struct address_space *aspace = get_frame_address_space (frame);
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
   inst_env_type inst_env;
+  VEC (CORE_ADDR) *next_pcs = NULL;
 
   /* Analyse the present instruction environment and insert 
      breakpoints.  */
-  int status = find_step_target (frame, &inst_env);
+  int status = find_step_target (regcache, &inst_env);
   if (status == -1)
     {
       /* Could not find a target.  Things are likely to go downhill 
@@ -2082,18 +2082,19 @@ cris_software_single_step (struct frame_info *frame)
          and possibly another one for a branch, jump, etc.  */
       CORE_ADDR next_pc
        = (CORE_ADDR) inst_env.reg[gdbarch_pc_regnum (gdbarch)];
-      insert_single_step_breakpoint (gdbarch, aspace, next_pc);
+
+      VEC_safe_push (CORE_ADDR, next_pcs, next_pc);
       if (inst_env.branch_found 
          && (CORE_ADDR) inst_env.branch_break_address != next_pc)
        {
          CORE_ADDR branch_target_address
                = (CORE_ADDR) inst_env.branch_break_address;
-         insert_single_step_breakpoint (gdbarch,
-                                        aspace, branch_target_address);
+
+         VEC_safe_push (CORE_ADDR, next_pcs, branch_target_address);
        }
     }
 
-  return 1;
+  return next_pcs;
 }
 
 /* Calculates the prefix value for quick offset addressing mode.  */
@@ -3791,10 +3792,7 @@ static int
 cris_delayed_get_disassembler (bfd_vma addr, struct disassemble_info *info)
 {
   int (*print_insn) (bfd_vma addr, struct disassemble_info *info);
-  /* FIXME: cagney/2003-08-27: It should be possible to select a CRIS
-     disassembler, even when there is no BFD.  Does something like
-     "gdb; target remote; disassmeble *0x123" work?  */
-  gdb_assert (exec_bfd != NULL);
+
   print_insn = cris_get_disassembler (exec_bfd);
   gdb_assert (print_insn != NULL);
   return print_insn (addr, info);
@@ -4024,31 +4022,14 @@ cris_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 
   /* No matching architecture was found.  Create a new one.  */
   tdep = XNEW (struct gdbarch_tdep);
+  info.byte_order = BFD_ENDIAN_LITTLE;
   gdbarch = gdbarch_alloc (&info, tdep);
 
   tdep->cris_version = usr_cmd_cris_version;
   tdep->cris_mode = usr_cmd_cris_mode;
   tdep->cris_dwarf2_cfi = usr_cmd_cris_dwarf2_cfi;
 
-  /* INIT shall ensure that the INFO.BYTE_ORDER is non-zero.  */
-  switch (info.byte_order)
-    {
-    case BFD_ENDIAN_LITTLE:
-      /* Ok.  */
-      break;
-
-    case BFD_ENDIAN_BIG:
-      /* Cris is always little endian, but the user could have forced
-        big endian with "set endian".  */
-      return 0;
-
-    default:
-      internal_error (__FILE__, __LINE__,
-                     _("cris_gdbarch_init: unknown byte order in info"));
-    }
-
   set_gdbarch_return_value (gdbarch, cris_return_value);
-
   set_gdbarch_sp_regnum (gdbarch, 14);
   
   /* Length of ordinary registers used in push_word and a few other
@@ -4127,7 +4108,8 @@ cris_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   /* The stack grows downward.  */
   set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
 
-  SET_GDBARCH_BREAKPOINT_MANIPULATION (cris);
+  set_gdbarch_breakpoint_kind_from_pc (gdbarch, cris_breakpoint_kind_from_pc);
+  set_gdbarch_sw_breakpoint_from_kind (gdbarch, cris_sw_breakpoint_from_kind);
   
   set_gdbarch_unwind_pc (gdbarch, cris_unwind_pc);
   set_gdbarch_unwind_sp (gdbarch, cris_unwind_sp);