mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-05 16:24:02 +08:00
dc42e902cc
In this commit: commit34d11c682f
Date: Fri May 3 15:23:55 2019 +0100 gdb/fortran: Use floatformats_ia64_quad for fortran 16-byte floats GDB was changed such that the Fortran's 16-byte float format was obtained by calling gdbarch_floatformat_for_type instead of just using gdbarch_long_double_format as it was before. The problem with this default_floatformat_for_type can return NULL in some cases, and the code introduced in34d11c682f
didn't consider this. This commit introduces several alternative strategies for finding a suitable 16-byte floating point type. First GDB calls gdbarch_floatformat_for_type (this was what34d11c682f
added), if this returns null GDB will use gdbarch_long_double_format if it is the correct size (this was the format used before34d11c682f
). Finally, if neither of the above provides a suitable type then GDB will create a new dummy type. This final dummy type is unlikely to provide an correct debug experience as far as examining the 16-byte floats, but it should prevent GDB crashing. gdb/ChangeLog: PR gdb/18644: * f-lang.c (build_fortran_types): Handle the case where gdbarch_floatformat_for_type returns a nullptr.
805 lines
23 KiB
C
805 lines
23 KiB
C
/* Fortran language support routines for GDB, the GNU debugger.
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Copyright (C) 1993-2019 Free Software Foundation, Inc.
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Contributed by Motorola. Adapted from the C parser by Farooq Butt
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(fmbutt@engage.sps.mot.com).
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "symtab.h"
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#include "gdbtypes.h"
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#include "expression.h"
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#include "parser-defs.h"
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#include "language.h"
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#include "varobj.h"
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#include "gdbcore.h"
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#include "f-lang.h"
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#include "valprint.h"
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#include "value.h"
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#include "cp-support.h"
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#include "charset.h"
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#include "c-lang.h"
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#include "target-float.h"
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#include <math.h>
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/* Local functions */
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static void f_printchar (int c, struct type *type, struct ui_file * stream);
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static void f_emit_char (int c, struct type *type,
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struct ui_file * stream, int quoter);
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/* Return the encoding that should be used for the character type
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TYPE. */
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static const char *
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f_get_encoding (struct type *type)
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{
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const char *encoding;
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switch (TYPE_LENGTH (type))
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{
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case 1:
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encoding = target_charset (get_type_arch (type));
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break;
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case 4:
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if (gdbarch_byte_order (get_type_arch (type)) == BFD_ENDIAN_BIG)
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encoding = "UTF-32BE";
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else
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encoding = "UTF-32LE";
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break;
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default:
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error (_("unrecognized character type"));
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}
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return encoding;
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}
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/* Print the character C on STREAM as part of the contents of a literal
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string whose delimiter is QUOTER. Note that that format for printing
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characters and strings is language specific.
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FIXME: This is a copy of the same function from c-exp.y. It should
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be replaced with a true F77 version. */
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static void
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f_emit_char (int c, struct type *type, struct ui_file *stream, int quoter)
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{
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const char *encoding = f_get_encoding (type);
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generic_emit_char (c, type, stream, quoter, encoding);
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}
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/* Implementation of la_printchar. */
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static void
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f_printchar (int c, struct type *type, struct ui_file *stream)
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{
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fputs_filtered ("'", stream);
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LA_EMIT_CHAR (c, type, stream, '\'');
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fputs_filtered ("'", stream);
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}
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/* Print the character string STRING, printing at most LENGTH characters.
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Printing stops early if the number hits print_max; repeat counts
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are printed as appropriate. Print ellipses at the end if we
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had to stop before printing LENGTH characters, or if FORCE_ELLIPSES.
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FIXME: This is a copy of the same function from c-exp.y. It should
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be replaced with a true F77 version. */
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static void
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f_printstr (struct ui_file *stream, struct type *type, const gdb_byte *string,
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unsigned int length, const char *encoding, int force_ellipses,
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const struct value_print_options *options)
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{
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const char *type_encoding = f_get_encoding (type);
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if (TYPE_LENGTH (type) == 4)
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fputs_filtered ("4_", stream);
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if (!encoding || !*encoding)
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encoding = type_encoding;
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generic_printstr (stream, type, string, length, encoding,
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force_ellipses, '\'', 0, options);
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}
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/* Table of operators and their precedences for printing expressions. */
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static const struct op_print f_op_print_tab[] =
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{
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{"+", BINOP_ADD, PREC_ADD, 0},
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{"+", UNOP_PLUS, PREC_PREFIX, 0},
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{"-", BINOP_SUB, PREC_ADD, 0},
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{"-", UNOP_NEG, PREC_PREFIX, 0},
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{"*", BINOP_MUL, PREC_MUL, 0},
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{"/", BINOP_DIV, PREC_MUL, 0},
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{"DIV", BINOP_INTDIV, PREC_MUL, 0},
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{"MOD", BINOP_REM, PREC_MUL, 0},
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{"=", BINOP_ASSIGN, PREC_ASSIGN, 1},
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{".OR.", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
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{".AND.", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
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{".NOT.", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
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{".EQ.", BINOP_EQUAL, PREC_EQUAL, 0},
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{".NE.", BINOP_NOTEQUAL, PREC_EQUAL, 0},
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{".LE.", BINOP_LEQ, PREC_ORDER, 0},
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{".GE.", BINOP_GEQ, PREC_ORDER, 0},
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{".GT.", BINOP_GTR, PREC_ORDER, 0},
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{".LT.", BINOP_LESS, PREC_ORDER, 0},
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{"**", UNOP_IND, PREC_PREFIX, 0},
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{"@", BINOP_REPEAT, PREC_REPEAT, 0},
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{NULL, OP_NULL, PREC_REPEAT, 0}
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};
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enum f_primitive_types {
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f_primitive_type_character,
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f_primitive_type_logical,
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f_primitive_type_logical_s1,
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f_primitive_type_logical_s2,
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f_primitive_type_logical_s8,
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f_primitive_type_integer,
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f_primitive_type_integer_s2,
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f_primitive_type_real,
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f_primitive_type_real_s8,
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f_primitive_type_real_s16,
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f_primitive_type_complex_s8,
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f_primitive_type_complex_s16,
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f_primitive_type_void,
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nr_f_primitive_types
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};
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static void
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f_language_arch_info (struct gdbarch *gdbarch,
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struct language_arch_info *lai)
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{
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const struct builtin_f_type *builtin = builtin_f_type (gdbarch);
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lai->string_char_type = builtin->builtin_character;
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lai->primitive_type_vector
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= GDBARCH_OBSTACK_CALLOC (gdbarch, nr_f_primitive_types + 1,
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struct type *);
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lai->primitive_type_vector [f_primitive_type_character]
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= builtin->builtin_character;
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lai->primitive_type_vector [f_primitive_type_logical]
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= builtin->builtin_logical;
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lai->primitive_type_vector [f_primitive_type_logical_s1]
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= builtin->builtin_logical_s1;
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lai->primitive_type_vector [f_primitive_type_logical_s2]
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= builtin->builtin_logical_s2;
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lai->primitive_type_vector [f_primitive_type_logical_s8]
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= builtin->builtin_logical_s8;
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lai->primitive_type_vector [f_primitive_type_real]
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= builtin->builtin_real;
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lai->primitive_type_vector [f_primitive_type_real_s8]
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= builtin->builtin_real_s8;
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lai->primitive_type_vector [f_primitive_type_real_s16]
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= builtin->builtin_real_s16;
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lai->primitive_type_vector [f_primitive_type_complex_s8]
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= builtin->builtin_complex_s8;
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lai->primitive_type_vector [f_primitive_type_complex_s16]
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= builtin->builtin_complex_s16;
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lai->primitive_type_vector [f_primitive_type_void]
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= builtin->builtin_void;
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lai->bool_type_symbol = "logical";
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lai->bool_type_default = builtin->builtin_logical_s2;
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}
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/* Remove the modules separator :: from the default break list. */
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static const char *
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f_word_break_characters (void)
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{
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static char *retval;
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if (!retval)
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{
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char *s;
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retval = xstrdup (default_word_break_characters ());
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s = strchr (retval, ':');
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if (s)
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{
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char *last_char = &s[strlen (s) - 1];
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*s = *last_char;
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*last_char = 0;
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}
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}
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return retval;
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}
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/* Consider the modules separator :: as a valid symbol name character
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class. */
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static void
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f_collect_symbol_completion_matches (completion_tracker &tracker,
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complete_symbol_mode mode,
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symbol_name_match_type compare_name,
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const char *text, const char *word,
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enum type_code code)
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{
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default_collect_symbol_completion_matches_break_on (tracker, mode,
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compare_name,
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text, word, ":", code);
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}
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/* Special expression evaluation cases for Fortran. */
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struct value *
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evaluate_subexp_f (struct type *expect_type, struct expression *exp,
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int *pos, enum noside noside)
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{
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struct value *arg1 = NULL, *arg2 = NULL;
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enum exp_opcode op;
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int pc;
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struct type *type;
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pc = *pos;
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*pos += 1;
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op = exp->elts[pc].opcode;
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switch (op)
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{
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default:
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*pos -= 1;
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return evaluate_subexp_standard (expect_type, exp, pos, noside);
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case UNOP_ABS:
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arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside);
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if (noside == EVAL_SKIP)
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return eval_skip_value (exp);
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type = value_type (arg1);
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switch (TYPE_CODE (type))
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{
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case TYPE_CODE_FLT:
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{
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double d
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= fabs (target_float_to_host_double (value_contents (arg1),
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value_type (arg1)));
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return value_from_host_double (type, d);
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}
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case TYPE_CODE_INT:
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{
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LONGEST l = value_as_long (arg1);
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l = llabs (l);
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return value_from_longest (type, l);
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}
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}
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error (_("ABS of type %s not supported"), TYPE_SAFE_NAME (type));
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case BINOP_MOD:
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arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside);
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arg2 = evaluate_subexp (value_type (arg1), exp, pos, noside);
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if (noside == EVAL_SKIP)
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return eval_skip_value (exp);
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type = value_type (arg1);
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if (TYPE_CODE (type) != TYPE_CODE (value_type (arg2)))
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error (_("non-matching types for parameters to MOD ()"));
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switch (TYPE_CODE (type))
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{
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case TYPE_CODE_FLT:
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{
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double d1
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= target_float_to_host_double (value_contents (arg1),
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value_type (arg1));
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double d2
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= target_float_to_host_double (value_contents (arg2),
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value_type (arg2));
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double d3 = fmod (d1, d2);
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return value_from_host_double (type, d3);
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}
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case TYPE_CODE_INT:
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{
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LONGEST v1 = value_as_long (arg1);
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LONGEST v2 = value_as_long (arg2);
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if (v2 == 0)
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error (_("calling MOD (N, 0) is undefined"));
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LONGEST v3 = v1 - (v1 / v2) * v2;
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return value_from_longest (value_type (arg1), v3);
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}
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}
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error (_("MOD of type %s not supported"), TYPE_SAFE_NAME (type));
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case UNOP_FORTRAN_CEILING:
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{
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arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside);
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if (noside == EVAL_SKIP)
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return eval_skip_value (exp);
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type = value_type (arg1);
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if (TYPE_CODE (type) != TYPE_CODE_FLT)
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error (_("argument to CEILING must be of type float"));
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double val
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= target_float_to_host_double (value_contents (arg1),
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value_type (arg1));
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val = ceil (val);
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return value_from_host_double (type, val);
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}
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case UNOP_FORTRAN_FLOOR:
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{
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arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside);
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if (noside == EVAL_SKIP)
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return eval_skip_value (exp);
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type = value_type (arg1);
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if (TYPE_CODE (type) != TYPE_CODE_FLT)
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error (_("argument to FLOOR must be of type float"));
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double val
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= target_float_to_host_double (value_contents (arg1),
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value_type (arg1));
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val = floor (val);
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return value_from_host_double (type, val);
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}
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case BINOP_FORTRAN_MODULO:
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{
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arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside);
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arg2 = evaluate_subexp (value_type (arg1), exp, pos, noside);
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if (noside == EVAL_SKIP)
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return eval_skip_value (exp);
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type = value_type (arg1);
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if (TYPE_CODE (type) != TYPE_CODE (value_type (arg2)))
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error (_("non-matching types for parameters to MODULO ()"));
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/* MODULO(A, P) = A - FLOOR (A / P) * P */
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switch (TYPE_CODE (type))
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{
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case TYPE_CODE_INT:
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{
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LONGEST a = value_as_long (arg1);
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LONGEST p = value_as_long (arg2);
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LONGEST result = a - (a / p) * p;
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if (result != 0 && (a < 0) != (p < 0))
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result += p;
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return value_from_longest (value_type (arg1), result);
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}
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case TYPE_CODE_FLT:
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{
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double a
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= target_float_to_host_double (value_contents (arg1),
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value_type (arg1));
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double p
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= target_float_to_host_double (value_contents (arg2),
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value_type (arg2));
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double result = fmod (a, p);
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if (result != 0 && (a < 0.0) != (p < 0.0))
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result += p;
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return value_from_host_double (type, result);
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}
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}
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error (_("MODULO of type %s not supported"), TYPE_SAFE_NAME (type));
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}
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case BINOP_FORTRAN_CMPLX:
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arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside);
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arg2 = evaluate_subexp (value_type (arg1), exp, pos, noside);
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if (noside == EVAL_SKIP)
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return eval_skip_value (exp);
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type = builtin_f_type(exp->gdbarch)->builtin_complex_s16;
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return value_literal_complex (arg1, arg2, type);
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case UNOP_FORTRAN_KIND:
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arg1 = evaluate_subexp (NULL, exp, pos, EVAL_AVOID_SIDE_EFFECTS);
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type = value_type (arg1);
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switch (TYPE_CODE (type))
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{
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case TYPE_CODE_STRUCT:
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case TYPE_CODE_UNION:
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case TYPE_CODE_MODULE:
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case TYPE_CODE_FUNC:
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error (_("argument to kind must be an intrinsic type"));
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}
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if (!TYPE_TARGET_TYPE (type))
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return value_from_longest (builtin_type (exp->gdbarch)->builtin_int,
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TYPE_LENGTH (type));
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return value_from_longest (builtin_type (exp->gdbarch)->builtin_int,
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TYPE_LENGTH (TYPE_TARGET_TYPE(type)));
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}
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/* Should be unreachable. */
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return nullptr;
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}
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/* Return true if TYPE is a string. */
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static bool
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f_is_string_type_p (struct type *type)
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{
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type = check_typedef (type);
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return (TYPE_CODE (type) == TYPE_CODE_STRING
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|| (TYPE_CODE (type) == TYPE_CODE_ARRAY
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&& TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_CHAR));
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}
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/* Special expression lengths for Fortran. */
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static void
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operator_length_f (const struct expression *exp, int pc, int *oplenp,
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int *argsp)
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{
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int oplen = 1;
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int args = 0;
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switch (exp->elts[pc - 1].opcode)
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{
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default:
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operator_length_standard (exp, pc, oplenp, argsp);
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return;
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case UNOP_FORTRAN_KIND:
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case UNOP_FORTRAN_FLOOR:
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case UNOP_FORTRAN_CEILING:
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oplen = 1;
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args = 1;
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break;
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case BINOP_FORTRAN_CMPLX:
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case BINOP_FORTRAN_MODULO:
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oplen = 1;
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args = 2;
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break;
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}
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*oplenp = oplen;
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*argsp = args;
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}
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/* Helper for PRINT_SUBEXP_F. Arguments are as for PRINT_SUBEXP_F, except
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the extra argument NAME which is the text that should be printed as the
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name of this operation. */
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static void
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print_unop_subexp_f (struct expression *exp, int *pos,
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struct ui_file *stream, enum precedence prec,
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const char *name)
|
||
{
|
||
(*pos)++;
|
||
fprintf_filtered (stream, "%s(", name);
|
||
print_subexp (exp, pos, stream, PREC_SUFFIX);
|
||
fputs_filtered (")", stream);
|
||
}
|
||
|
||
/* Helper for PRINT_SUBEXP_F. Arguments are as for PRINT_SUBEXP_F, except
|
||
the extra argument NAME which is the text that should be printed as the
|
||
name of this operation. */
|
||
|
||
static void
|
||
print_binop_subexp_f (struct expression *exp, int *pos,
|
||
struct ui_file *stream, enum precedence prec,
|
||
const char *name)
|
||
{
|
||
(*pos)++;
|
||
fprintf_filtered (stream, "%s(", name);
|
||
print_subexp (exp, pos, stream, PREC_SUFFIX);
|
||
fputs_filtered (",", stream);
|
||
print_subexp (exp, pos, stream, PREC_SUFFIX);
|
||
fputs_filtered (")", stream);
|
||
}
|
||
|
||
/* Special expression printing for Fortran. */
|
||
|
||
static void
|
||
print_subexp_f (struct expression *exp, int *pos,
|
||
struct ui_file *stream, enum precedence prec)
|
||
{
|
||
int pc = *pos;
|
||
enum exp_opcode op = exp->elts[pc].opcode;
|
||
|
||
switch (op)
|
||
{
|
||
default:
|
||
print_subexp_standard (exp, pos, stream, prec);
|
||
return;
|
||
|
||
case UNOP_FORTRAN_KIND:
|
||
print_unop_subexp_f (exp, pos, stream, prec, "KIND");
|
||
return;
|
||
|
||
case UNOP_FORTRAN_FLOOR:
|
||
print_unop_subexp_f (exp, pos, stream, prec, "FLOOR");
|
||
return;
|
||
|
||
case UNOP_FORTRAN_CEILING:
|
||
print_unop_subexp_f (exp, pos, stream, prec, "CEILING");
|
||
return;
|
||
|
||
case BINOP_FORTRAN_CMPLX:
|
||
print_binop_subexp_f (exp, pos, stream, prec, "CMPLX");
|
||
return;
|
||
|
||
case BINOP_FORTRAN_MODULO:
|
||
print_binop_subexp_f (exp, pos, stream, prec, "MODULO");
|
||
return;
|
||
}
|
||
}
|
||
|
||
/* Special expression names for Fortran. */
|
||
|
||
static const char *
|
||
op_name_f (enum exp_opcode opcode)
|
||
{
|
||
switch (opcode)
|
||
{
|
||
default:
|
||
return op_name_standard (opcode);
|
||
|
||
#define OP(name) \
|
||
case name: \
|
||
return #name ;
|
||
#include "fortran-operator.def"
|
||
#undef OP
|
||
}
|
||
}
|
||
|
||
/* Special expression dumping for Fortran. */
|
||
|
||
static int
|
||
dump_subexp_body_f (struct expression *exp,
|
||
struct ui_file *stream, int elt)
|
||
{
|
||
int opcode = exp->elts[elt].opcode;
|
||
int oplen, nargs, i;
|
||
|
||
switch (opcode)
|
||
{
|
||
default:
|
||
return dump_subexp_body_standard (exp, stream, elt);
|
||
|
||
case UNOP_FORTRAN_KIND:
|
||
case UNOP_FORTRAN_FLOOR:
|
||
case UNOP_FORTRAN_CEILING:
|
||
case BINOP_FORTRAN_CMPLX:
|
||
case BINOP_FORTRAN_MODULO:
|
||
operator_length_f (exp, (elt + 1), &oplen, &nargs);
|
||
break;
|
||
}
|
||
|
||
elt += oplen;
|
||
for (i = 0; i < nargs; i += 1)
|
||
elt = dump_subexp (exp, stream, elt);
|
||
|
||
return elt;
|
||
}
|
||
|
||
/* Special expression checking for Fortran. */
|
||
|
||
static int
|
||
operator_check_f (struct expression *exp, int pos,
|
||
int (*objfile_func) (struct objfile *objfile,
|
||
void *data),
|
||
void *data)
|
||
{
|
||
const union exp_element *const elts = exp->elts;
|
||
|
||
switch (elts[pos].opcode)
|
||
{
|
||
case UNOP_FORTRAN_KIND:
|
||
case UNOP_FORTRAN_FLOOR:
|
||
case UNOP_FORTRAN_CEILING:
|
||
case BINOP_FORTRAN_CMPLX:
|
||
case BINOP_FORTRAN_MODULO:
|
||
/* Any references to objfiles are held in the arguments to this
|
||
expression, not within the expression itself, so no additional
|
||
checking is required here, the outer expression iteration code
|
||
will take care of checking each argument. */
|
||
break;
|
||
|
||
default:
|
||
return operator_check_standard (exp, pos, objfile_func, data);
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
static const char *f_extensions[] =
|
||
{
|
||
".f", ".F", ".for", ".FOR", ".ftn", ".FTN", ".fpp", ".FPP",
|
||
".f90", ".F90", ".f95", ".F95", ".f03", ".F03", ".f08", ".F08",
|
||
NULL
|
||
};
|
||
|
||
/* Expression processing for Fortran. */
|
||
static const struct exp_descriptor exp_descriptor_f =
|
||
{
|
||
print_subexp_f,
|
||
operator_length_f,
|
||
operator_check_f,
|
||
op_name_f,
|
||
dump_subexp_body_f,
|
||
evaluate_subexp_f
|
||
};
|
||
|
||
extern const struct language_defn f_language_defn =
|
||
{
|
||
"fortran",
|
||
"Fortran",
|
||
language_fortran,
|
||
range_check_on,
|
||
case_sensitive_off,
|
||
array_column_major,
|
||
macro_expansion_no,
|
||
f_extensions,
|
||
&exp_descriptor_f,
|
||
f_parse, /* parser */
|
||
null_post_parser,
|
||
f_printchar, /* Print character constant */
|
||
f_printstr, /* function to print string constant */
|
||
f_emit_char, /* Function to print a single character */
|
||
f_print_type, /* Print a type using appropriate syntax */
|
||
default_print_typedef, /* Print a typedef using appropriate syntax */
|
||
f_val_print, /* Print a value using appropriate syntax */
|
||
c_value_print, /* FIXME */
|
||
default_read_var_value, /* la_read_var_value */
|
||
NULL, /* Language specific skip_trampoline */
|
||
NULL, /* name_of_this */
|
||
false, /* la_store_sym_names_in_linkage_form_p */
|
||
cp_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
|
||
basic_lookup_transparent_type,/* lookup_transparent_type */
|
||
|
||
/* We could support demangling here to provide module namespaces
|
||
also for inferiors with only minimal symbol table (ELF symbols).
|
||
Just the mangling standard is not standardized across compilers
|
||
and there is no DW_AT_producer available for inferiors with only
|
||
the ELF symbols to check the mangling kind. */
|
||
NULL, /* Language specific symbol demangler */
|
||
NULL,
|
||
NULL, /* Language specific
|
||
class_name_from_physname */
|
||
f_op_print_tab, /* expression operators for printing */
|
||
0, /* arrays are first-class (not c-style) */
|
||
1, /* String lower bound */
|
||
f_word_break_characters,
|
||
f_collect_symbol_completion_matches,
|
||
f_language_arch_info,
|
||
default_print_array_index,
|
||
default_pass_by_reference,
|
||
default_get_string,
|
||
c_watch_location_expression,
|
||
NULL, /* la_get_symbol_name_matcher */
|
||
iterate_over_symbols,
|
||
default_search_name_hash,
|
||
&default_varobj_ops,
|
||
NULL,
|
||
NULL,
|
||
f_is_string_type_p,
|
||
"(...)" /* la_struct_too_deep_ellipsis */
|
||
};
|
||
|
||
static void *
|
||
build_fortran_types (struct gdbarch *gdbarch)
|
||
{
|
||
struct builtin_f_type *builtin_f_type
|
||
= GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_f_type);
|
||
|
||
builtin_f_type->builtin_void
|
||
= arch_type (gdbarch, TYPE_CODE_VOID, TARGET_CHAR_BIT, "void");
|
||
|
||
builtin_f_type->builtin_character
|
||
= arch_type (gdbarch, TYPE_CODE_CHAR, TARGET_CHAR_BIT, "character");
|
||
|
||
builtin_f_type->builtin_logical_s1
|
||
= arch_boolean_type (gdbarch, TARGET_CHAR_BIT, 1, "logical*1");
|
||
|
||
builtin_f_type->builtin_integer_s2
|
||
= arch_integer_type (gdbarch, gdbarch_short_bit (gdbarch), 0,
|
||
"integer*2");
|
||
|
||
builtin_f_type->builtin_integer_s8
|
||
= arch_integer_type (gdbarch, gdbarch_long_long_bit (gdbarch), 0,
|
||
"integer*8");
|
||
|
||
builtin_f_type->builtin_logical_s2
|
||
= arch_boolean_type (gdbarch, gdbarch_short_bit (gdbarch), 1,
|
||
"logical*2");
|
||
|
||
builtin_f_type->builtin_logical_s8
|
||
= arch_boolean_type (gdbarch, gdbarch_long_long_bit (gdbarch), 1,
|
||
"logical*8");
|
||
|
||
builtin_f_type->builtin_integer
|
||
= arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch), 0,
|
||
"integer");
|
||
|
||
builtin_f_type->builtin_logical
|
||
= arch_boolean_type (gdbarch, gdbarch_int_bit (gdbarch), 1,
|
||
"logical*4");
|
||
|
||
builtin_f_type->builtin_real
|
||
= arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
|
||
"real", gdbarch_float_format (gdbarch));
|
||
builtin_f_type->builtin_real_s8
|
||
= arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
|
||
"real*8", gdbarch_double_format (gdbarch));
|
||
auto fmt = gdbarch_floatformat_for_type (gdbarch, "real(kind=16)", 128);
|
||
if (fmt != nullptr)
|
||
builtin_f_type->builtin_real_s16
|
||
= arch_float_type (gdbarch, 128, "real*16", fmt);
|
||
else if (gdbarch_long_double_bit (gdbarch) == 128)
|
||
builtin_f_type->builtin_real_s16
|
||
= arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
|
||
"real*16", gdbarch_long_double_format (gdbarch));
|
||
else
|
||
builtin_f_type->builtin_real_s16
|
||
= arch_type (gdbarch, TYPE_CODE_ERROR, 128, "real*16");
|
||
|
||
builtin_f_type->builtin_complex_s8
|
||
= arch_complex_type (gdbarch, "complex*8",
|
||
builtin_f_type->builtin_real);
|
||
builtin_f_type->builtin_complex_s16
|
||
= arch_complex_type (gdbarch, "complex*16",
|
||
builtin_f_type->builtin_real_s8);
|
||
builtin_f_type->builtin_complex_s32
|
||
= arch_complex_type (gdbarch, "complex*32",
|
||
builtin_f_type->builtin_real_s16);
|
||
|
||
return builtin_f_type;
|
||
}
|
||
|
||
static struct gdbarch_data *f_type_data;
|
||
|
||
const struct builtin_f_type *
|
||
builtin_f_type (struct gdbarch *gdbarch)
|
||
{
|
||
return (const struct builtin_f_type *) gdbarch_data (gdbarch, f_type_data);
|
||
}
|
||
|
||
void
|
||
_initialize_f_language (void)
|
||
{
|
||
f_type_data = gdbarch_data_register_post_init (build_fortran_types);
|
||
}
|
||
|
||
/* See f-lang.h. */
|
||
|
||
struct value *
|
||
fortran_argument_convert (struct value *value, bool is_artificial)
|
||
{
|
||
if (!is_artificial)
|
||
{
|
||
/* If the value is not in the inferior e.g. registers values,
|
||
convenience variables and user input. */
|
||
if (VALUE_LVAL (value) != lval_memory)
|
||
{
|
||
struct type *type = value_type (value);
|
||
const int length = TYPE_LENGTH (type);
|
||
const CORE_ADDR addr
|
||
= value_as_long (value_allocate_space_in_inferior (length));
|
||
write_memory (addr, value_contents (value), length);
|
||
struct value *val
|
||
= value_from_contents_and_address (type, value_contents (value),
|
||
addr);
|
||
return value_addr (val);
|
||
}
|
||
else
|
||
return value_addr (value); /* Program variables, e.g. arrays. */
|
||
}
|
||
return value;
|
||
}
|
||
|
||
/* See f-lang.h. */
|
||
|
||
struct type *
|
||
fortran_preserve_arg_pointer (struct value *arg, struct type *type)
|
||
{
|
||
if (TYPE_CODE (value_type (arg)) == TYPE_CODE_PTR)
|
||
return value_type (arg);
|
||
return type;
|
||
}
|