*** empty log message ***
[deliverable/binutils-gdb.git] / gdb / c-lang.c
index af42188226990387775ba350cc8cb2ca856d9a21..cc952a8c79a32808faaf57a3ddeb53e8c49f19e3 100644 (file)
@@ -7,7 +7,7 @@
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -16,9 +16,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
 #include "symtab.h"
@@ -33,6 +31,7 @@
 #include "charset.h"
 #include "gdb_string.h"
 #include "demangle.h"
+#include "cp-abi.h"
 #include "cp-support.h"
 
 extern void _initialize_c_language (void);
@@ -218,7 +217,7 @@ c_create_fundamental_type (struct objfile *objfile, int typeid)
          name "<?type?>".  When all the dust settles from the type
          reconstruction work, this should probably become an error. */
       type = init_type (TYPE_CODE_INT,
-                       TARGET_INT_BIT / TARGET_CHAR_BIT,
+                       gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT,
                        0, "<?type?>", objfile);
       warning (_("internal error: no C/C++ fundamental type %d"), typeid);
       break;
@@ -249,101 +248,127 @@ c_create_fundamental_type (struct objfile *objfile, int typeid)
       break;
     case FT_SHORT:
       type = init_type (TYPE_CODE_INT,
-                       TARGET_SHORT_BIT / TARGET_CHAR_BIT,
+                       gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT,
                        0, "short", objfile);
       break;
     case FT_SIGNED_SHORT:
       type = init_type (TYPE_CODE_INT,
-                       TARGET_SHORT_BIT / TARGET_CHAR_BIT,
+                       gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT,
                        0, "short", objfile);   /* FIXME-fnf */
       break;
     case FT_UNSIGNED_SHORT:
       type = init_type (TYPE_CODE_INT,
-                       TARGET_SHORT_BIT / TARGET_CHAR_BIT,
+                       gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT,
                        TYPE_FLAG_UNSIGNED, "unsigned short", objfile);
       break;
     case FT_INTEGER:
       type = init_type (TYPE_CODE_INT,
-                       TARGET_INT_BIT / TARGET_CHAR_BIT,
+                       gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT,
                        0, "int", objfile);
       break;
     case FT_SIGNED_INTEGER:
       type = init_type (TYPE_CODE_INT,
-                       TARGET_INT_BIT / TARGET_CHAR_BIT,
+                       gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT,
                        0, "int", objfile);     /* FIXME -fnf */
       break;
     case FT_UNSIGNED_INTEGER:
       type = init_type (TYPE_CODE_INT,
-                       TARGET_INT_BIT / TARGET_CHAR_BIT,
+                       gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT,
                        TYPE_FLAG_UNSIGNED, "unsigned int", objfile);
       break;
     case FT_LONG:
       type = init_type (TYPE_CODE_INT,
-                       TARGET_LONG_BIT / TARGET_CHAR_BIT,
+                       gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT,
                        0, "long", objfile);
       break;
     case FT_SIGNED_LONG:
       type = init_type (TYPE_CODE_INT,
-                       TARGET_LONG_BIT / TARGET_CHAR_BIT,
+                       gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT,
                        0, "long", objfile);    /* FIXME -fnf */
       break;
     case FT_UNSIGNED_LONG:
       type = init_type (TYPE_CODE_INT,
-                       TARGET_LONG_BIT / TARGET_CHAR_BIT,
+                       gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT,
                        TYPE_FLAG_UNSIGNED, "unsigned long", objfile);
       break;
     case FT_LONG_LONG:
       type = init_type (TYPE_CODE_INT,
-                       TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
+                       gdbarch_long_long_bit (current_gdbarch) 
+                         / TARGET_CHAR_BIT,
                        0, "long long", objfile);
       break;
     case FT_SIGNED_LONG_LONG:
       type = init_type (TYPE_CODE_INT,
-                       TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
+                       gdbarch_long_long_bit (current_gdbarch) 
+                         / TARGET_CHAR_BIT,
                        0, "signed long long", objfile);
       break;
     case FT_UNSIGNED_LONG_LONG:
       type = init_type (TYPE_CODE_INT,
-                       TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
+                       gdbarch_long_long_bit (current_gdbarch) 
+                         / TARGET_CHAR_BIT,
                        TYPE_FLAG_UNSIGNED, "unsigned long long", objfile);
       break;
     case FT_FLOAT:
       type = init_type (TYPE_CODE_FLT,
-                       TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
+                       gdbarch_float_bit (current_gdbarch) / TARGET_CHAR_BIT,
                        0, "float", objfile);
       break;
     case FT_DBL_PREC_FLOAT:
       type = init_type (TYPE_CODE_FLT,
-                       TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
+                       gdbarch_double_bit (current_gdbarch) / TARGET_CHAR_BIT,
                        0, "double", objfile);
       break;
     case FT_EXT_PREC_FLOAT:
       type = init_type (TYPE_CODE_FLT,
-                       TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
+                       gdbarch_long_double_bit (current_gdbarch)
+                         / TARGET_CHAR_BIT,
                        0, "long double", objfile);
       break;
+    case FT_DECFLOAT:
+      type = init_type (TYPE_CODE_DECFLOAT,
+                       32 / 8,
+                       0, "decimal float", objfile);
+      break;
+    case FT_DBL_PREC_DECFLOAT:
+      type = init_type (TYPE_CODE_DECFLOAT,
+                       64 / 8,
+                       0, "decimal double", objfile);
+      break;
+    case FT_EXT_PREC_DECFLOAT:
+      type = init_type (TYPE_CODE_DECFLOAT,
+                       128 / 8,
+                       0, "decimal long double", objfile);
+      break;
     case FT_COMPLEX:
       type = init_type (TYPE_CODE_FLT,
-                       2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
+                       2 * gdbarch_float_bit (current_gdbarch)
+                         / TARGET_CHAR_BIT,
                        0, "complex float", objfile);
       TYPE_TARGET_TYPE (type)
-       = init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
+       = init_type (TYPE_CODE_FLT,
+                    gdbarch_float_bit (current_gdbarch) / TARGET_CHAR_BIT,
                     0, "float", objfile);
       break;
     case FT_DBL_PREC_COMPLEX:
       type = init_type (TYPE_CODE_FLT,
-                       2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
+                       2 * gdbarch_double_bit (current_gdbarch)
+                         / TARGET_CHAR_BIT,
                        0, "complex double", objfile);
       TYPE_TARGET_TYPE (type)
-       = init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
+       = init_type (TYPE_CODE_FLT,
+                    gdbarch_double_bit (current_gdbarch) / TARGET_CHAR_BIT,
                     0, "double", objfile);
       break;
     case FT_EXT_PREC_COMPLEX:
       type = init_type (TYPE_CODE_FLT,
-                       2 * TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
+                       2 * gdbarch_long_double_bit (current_gdbarch)
+                         / TARGET_CHAR_BIT,
                        0, "complex long double", objfile);
       TYPE_TARGET_TYPE (type)
-       = init_type (TYPE_CODE_FLT, TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
+       = init_type (TYPE_CODE_FLT,
+                    gdbarch_long_double_bit (current_gdbarch)
+                      / TARGET_CHAR_BIT,
                     0, "long double", objfile);
       break;
     case FT_TEMPLATE_ARG:
@@ -561,13 +586,12 @@ c_language_arch_info (struct gdbarch *gdbarch,
   lai->primitive_type_vector [c_primitive_type_long_double] = builtin->builtin_long_double;
   lai->primitive_type_vector [c_primitive_type_complex] = builtin->builtin_complex;
   lai->primitive_type_vector [c_primitive_type_double_complex] = builtin->builtin_double_complex;
-};
+}
 
 const struct language_defn c_language_defn =
 {
   "c",                         /* Language name */
   language_c,
-  NULL,
   range_check_off,
   type_check_off,
   case_sensitive_on,
@@ -592,41 +616,86 @@ const struct language_defn c_language_defn =
   c_op_print_tab,              /* expression operators for printing */
   1,                           /* c-style arrays */
   0,                           /* String lower bound */
-  NULL,
   default_word_break_characters,
   c_language_arch_info,
   default_print_array_index,
+  default_pass_by_reference,
   LANG_MAGIC
 };
 
-struct type **const (cplus_builtin_types[]) =
-{
-  &builtin_type_int,
-  &builtin_type_long,
-  &builtin_type_short,
-  &builtin_type_char,
-  &builtin_type_float,
-  &builtin_type_double,
-  &builtin_type_void,
-  &builtin_type_long_long,
-  &builtin_type_signed_char,
-  &builtin_type_unsigned_char,
-  &builtin_type_unsigned_short,
-  &builtin_type_unsigned_int,
-  &builtin_type_unsigned_long,
-  &builtin_type_unsigned_long_long,
-  &builtin_type_long_double,
-  &builtin_type_complex,
-  &builtin_type_double_complex,
-  &builtin_type_bool,
-  0
+enum cplus_primitive_types {
+  cplus_primitive_type_int,
+  cplus_primitive_type_long,
+  cplus_primitive_type_short,
+  cplus_primitive_type_char,
+  cplus_primitive_type_float,
+  cplus_primitive_type_double,
+  cplus_primitive_type_void,
+  cplus_primitive_type_long_long,
+  cplus_primitive_type_signed_char,
+  cplus_primitive_type_unsigned_char,
+  cplus_primitive_type_unsigned_short,
+  cplus_primitive_type_unsigned_int,
+  cplus_primitive_type_unsigned_long,
+  cplus_primitive_type_unsigned_long_long,
+  cplus_primitive_type_long_double,
+  cplus_primitive_type_complex,
+  cplus_primitive_type_double_complex,
+  cplus_primitive_type_bool,
+  nr_cplus_primitive_types
 };
 
+static void
+cplus_language_arch_info (struct gdbarch *gdbarch,
+                         struct language_arch_info *lai)
+{
+  const struct builtin_type *builtin = builtin_type (gdbarch);
+  lai->string_char_type = builtin->builtin_char;
+  lai->primitive_type_vector
+    = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_cplus_primitive_types + 1,
+                             struct type *);
+  lai->primitive_type_vector [cplus_primitive_type_int]
+    = builtin->builtin_int;
+  lai->primitive_type_vector [cplus_primitive_type_long]
+    = builtin->builtin_long;
+  lai->primitive_type_vector [cplus_primitive_type_short]
+    = builtin->builtin_short;
+  lai->primitive_type_vector [cplus_primitive_type_char]
+    = builtin->builtin_char;
+  lai->primitive_type_vector [cplus_primitive_type_float]
+    = builtin->builtin_float;
+  lai->primitive_type_vector [cplus_primitive_type_double]
+    = builtin->builtin_double;
+  lai->primitive_type_vector [cplus_primitive_type_void]
+    = builtin->builtin_void;
+  lai->primitive_type_vector [cplus_primitive_type_long_long]
+    = builtin->builtin_long_long;
+  lai->primitive_type_vector [cplus_primitive_type_signed_char]
+    = builtin->builtin_signed_char;
+  lai->primitive_type_vector [cplus_primitive_type_unsigned_char]
+    = builtin->builtin_unsigned_char;
+  lai->primitive_type_vector [cplus_primitive_type_unsigned_short]
+    = builtin->builtin_unsigned_short;
+  lai->primitive_type_vector [cplus_primitive_type_unsigned_int]
+    = builtin->builtin_unsigned_int;
+  lai->primitive_type_vector [cplus_primitive_type_unsigned_long]
+    = builtin->builtin_unsigned_long;
+  lai->primitive_type_vector [cplus_primitive_type_unsigned_long_long]
+    = builtin->builtin_unsigned_long_long;
+  lai->primitive_type_vector [cplus_primitive_type_long_double]
+    = builtin->builtin_long_double;
+  lai->primitive_type_vector [cplus_primitive_type_complex]
+    = builtin->builtin_complex;
+  lai->primitive_type_vector [cplus_primitive_type_double_complex]
+    = builtin->builtin_double_complex;
+  lai->primitive_type_vector [cplus_primitive_type_bool]
+    = builtin->builtin_bool;
+}
+
 const struct language_defn cplus_language_defn =
 {
   "c++",                       /* Language name */
   language_cplus,
-  cplus_builtin_types,
   range_check_off,
   type_check_off,
   case_sensitive_on,
@@ -642,7 +711,7 @@ const struct language_defn cplus_language_defn =
   c_print_type,                        /* Print a type using appropriate syntax */
   c_val_print,                 /* Print a value using appropriate syntax */
   c_value_print,               /* Print a top-level value */
-  NULL,                                /* Language specific skip_trampoline */
+  cplus_skip_trampoline,       /* Language specific skip_trampoline */
   value_of_this,               /* value_of_this */
   cp_lookup_symbol_nonlocal,   /* lookup_symbol_nonlocal */
   cp_lookup_transparent_type,   /* lookup_transparent_type */
@@ -651,10 +720,10 @@ const struct language_defn cplus_language_defn =
   c_op_print_tab,              /* expression operators for printing */
   1,                           /* c-style arrays */
   0,                           /* String lower bound */
-  &builtin_type_char,          /* Type of string elements */
   default_word_break_characters,
-  NULL, /* FIXME: la_language_arch_info.  */
+  cplus_language_arch_info,
   default_print_array_index,
+  cp_pass_by_reference,
   LANG_MAGIC
 };
 
@@ -662,7 +731,6 @@ const struct language_defn asm_language_defn =
 {
   "asm",                       /* Language name */
   language_asm,
-  NULL,
   range_check_off,
   type_check_off,
   case_sensitive_on,
@@ -687,10 +755,10 @@ const struct language_defn asm_language_defn =
   c_op_print_tab,              /* expression operators for printing */
   1,                           /* c-style arrays */
   0,                           /* String lower bound */
-  NULL,
   default_word_break_characters,
   c_language_arch_info, /* FIXME: la_language_arch_info.  */
   default_print_array_index,
+  default_pass_by_reference,
   LANG_MAGIC
 };
 
@@ -703,7 +771,6 @@ const struct language_defn minimal_language_defn =
 {
   "minimal",                   /* Language name */
   language_minimal,
-  NULL,
   range_check_off,
   type_check_off,
   case_sensitive_on,
@@ -728,10 +795,10 @@ const struct language_defn minimal_language_defn =
   c_op_print_tab,              /* expression operators for printing */
   1,                           /* c-style arrays */
   0,                           /* String lower bound */
-  NULL,
   default_word_break_characters,
   c_language_arch_info,
   default_print_array_index,
+  default_pass_by_reference,
   LANG_MAGIC
 };
 
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