Make gdb.mi/user-selected-context-sync.exp use proc_with_prefix

[deliverable/binutils-gdb.git] / gdb / m68k-tdep.c

diff --git a/gdb/m68k-tdep.c b/gdb/m68k-tdep.c
index b507c37865918adff85cc095988cf6757e282c57..53d0adefc19eaf981f9c56d633801004bcee2217 100644 (file)
--- a/gdb/m68k-tdep.c
+++ b/gdb/m68k-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for the Motorola 68000 series.
 
-   Copyright (C) 1990-1996, 1999-2012 Free Software Foundation, Inc.
+   Copyright (C) 1990-2016 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -26,8 +26,6 @@
 #include "symtab.h"
 #include "gdbcore.h"
 #include "value.h"
-#include "gdb_string.h"
-#include "gdb_assert.h"
 #include "inferior.h"
 #include "regcache.h"
 #include "arch-utils.h"
@@ -59,14 +57,9 @@
 #define BPT_VECTOR 0xf
 #endif
 
-static const gdb_byte *
-m68k_local_breakpoint_from_pc (struct gdbarch *gdbarch,
-                              CORE_ADDR *pcptr, int *lenptr)
-{
-  static gdb_byte break_insn[] = {0x4e, (0x40 | BPT_VECTOR)};
-  *lenptr = sizeof (break_insn);
-  return break_insn;
-}
+constexpr gdb_byte m68k_break_insn[] = {0x4e, (0x40 | BPT_VECTOR)};
+
+typedef BP_MANIPULATION (m68k_break_insn) m68k_breakpoint;
 \f
 
 /* Construct types for ISA-specific registers.  */
@@ -315,7 +308,6 @@ static void
 m68k_svr4_extract_return_value (struct type *type, struct regcache *regcache,
                                gdb_byte *valbuf)
 {
-  int len = TYPE_LENGTH (type);
   gdb_byte buf[M68K_MAX_REGISTER_SIZE];
   struct gdbarch *gdbarch = get_regcache_arch (regcache);
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
@@ -326,7 +318,7 @@ m68k_svr4_extract_return_value (struct type *type, struct regcache *regcache,
       regcache_raw_read (regcache, M68K_FP0_REGNUM, buf);
       convert_typed_floating (buf, fpreg_type, valbuf, type);
     }
-  else if (TYPE_CODE (type) == TYPE_CODE_PTR && len == 4)
+  else if (TYPE_CODE (type) == TYPE_CODE_PTR && TYPE_LENGTH (type) == 4)
     regcache_raw_read (regcache, M68K_A0_REGNUM, valbuf);
   else
     m68k_extract_return_value (type, regcache, valbuf);
@@ -357,7 +349,6 @@ static void
 m68k_svr4_store_return_value (struct type *type, struct regcache *regcache,
                              const gdb_byte *valbuf)
 {
-  int len = TYPE_LENGTH (type);
   struct gdbarch *gdbarch = get_regcache_arch (regcache);
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
 
@@ -368,7 +359,7 @@ m68k_svr4_store_return_value (struct type *type, struct regcache *regcache,
       convert_typed_floating (valbuf, type, buf, fpreg_type);
       regcache_raw_write (regcache, M68K_FP0_REGNUM, buf);
     }
-  else if (TYPE_CODE (type) == TYPE_CODE_PTR && len == 4)
+  else if (TYPE_CODE (type) == TYPE_CODE_PTR && TYPE_LENGTH (type) == 4)
     {
       regcache_raw_write (regcache, M68K_A0_REGNUM, valbuf);
       regcache_raw_write (regcache, M68K_D0_REGNUM, valbuf);
@@ -577,7 +568,7 @@ m68k_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int num)
     /* pc */
     return M68K_PC_REGNUM;
   else
-    return gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch);
+    return -1;
 }
 
 \f
@@ -886,7 +877,7 @@ m68k_frame_cache (struct frame_info *this_frame, void **this_cache)
   int i;
 
   if (*this_cache)
-    return *this_cache;
+    return (struct m68k_frame_cache *) *this_cache;
 
   cache = m68k_alloc_frame_cache ();
   *this_cache = cache;
@@ -1032,7 +1023,7 @@ m68k_get_longjmp_target (struct frame_info *frame, CORE_ADDR *pc)
       return 0;
     }
 
-  buf = alloca (gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT);
+  buf = (gdb_byte *) alloca (gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT);
   sp = get_frame_register_unsigned (frame, gdbarch_sp_regnum (gdbarch));
 
   if (target_read_memory (sp + SP_ARG0,        /* Offset of first arg on stack.  */
@@ -1102,9 +1093,6 @@ m68k_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 
       feature = tdesc_find_feature (info.target_desc,
                                    "org.gnu.gdb.m68k.core");
-      if (feature != NULL)
-       /* Do nothing.  */
-       ;
 
       if (feature == NULL)
        {
@@ -1192,7 +1180,7 @@ m68k_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
       return best_arch->gdbarch;
     }
 
-  tdep = xzalloc (sizeof (struct gdbarch_tdep));
+  tdep = XCNEW (struct gdbarch_tdep);
   gdbarch = gdbarch_alloc (&info, tdep);
   tdep->fpregs_present = has_fp;
   tdep->flavour = flavour;
@@ -1203,7 +1191,8 @@ m68k_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_long_double_bit (gdbarch, long_double_format[0]->totalsize);
 
   set_gdbarch_skip_prologue (gdbarch, m68k_skip_prologue);
-  set_gdbarch_breakpoint_from_pc (gdbarch, m68k_local_breakpoint_from_pc);
+  set_gdbarch_breakpoint_kind_from_pc (gdbarch, m68k_breakpoint::kind_from_pc);
+  set_gdbarch_sw_breakpoint_from_kind (gdbarch, m68k_breakpoint::bp_from_kind);
 
   /* Stack grows down.  */
   set_gdbarch_inner_than (gdbarch, core_addr_lessthan);