987 lines
27 KiB
C
987 lines
27 KiB
C
/* Fortran language support routines for GDB, the GNU debugger.
|
||
|
||
Copyright (C) 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003,
|
||
2004, 2005, 2007 Free Software Foundation, Inc.
|
||
|
||
Contributed by Motorola. Adapted from the C parser by Farooq Butt
|
||
(fmbutt@engage.sps.mot.com).
|
||
|
||
This file is part of GDB.
|
||
|
||
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
|
||
(at your option) any later version.
|
||
|
||
This program is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
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. */
|
||
|
||
#include "defs.h"
|
||
#include "gdb_string.h"
|
||
#include "symtab.h"
|
||
#include "gdbtypes.h"
|
||
#include "expression.h"
|
||
#include "parser-defs.h"
|
||
#include "language.h"
|
||
#include "f-lang.h"
|
||
#include "valprint.h"
|
||
#include "value.h"
|
||
|
||
/* The built-in types of F77. FIXME: integer*4 is missing, plain
|
||
logical is missing (builtin_type_logical is logical*4). */
|
||
|
||
struct type *builtin_type_f_character;
|
||
struct type *builtin_type_f_logical;
|
||
struct type *builtin_type_f_logical_s1;
|
||
struct type *builtin_type_f_logical_s2;
|
||
struct type *builtin_type_f_integer;
|
||
struct type *builtin_type_f_integer_s2;
|
||
struct type *builtin_type_f_real;
|
||
struct type *builtin_type_f_real_s8;
|
||
struct type *builtin_type_f_real_s16;
|
||
struct type *builtin_type_f_complex_s8;
|
||
struct type *builtin_type_f_complex_s16;
|
||
struct type *builtin_type_f_complex_s32;
|
||
struct type *builtin_type_f_void;
|
||
|
||
/* Following is dubious stuff that had been in the xcoff reader. */
|
||
|
||
struct saved_fcn
|
||
{
|
||
long line_offset; /* Line offset for function */
|
||
struct saved_fcn *next;
|
||
};
|
||
|
||
|
||
struct saved_bf_symnum
|
||
{
|
||
long symnum_fcn; /* Symnum of function (i.e. .function directive) */
|
||
long symnum_bf; /* Symnum of .bf for this function */
|
||
struct saved_bf_symnum *next;
|
||
};
|
||
|
||
typedef struct saved_fcn SAVED_FUNCTION, *SAVED_FUNCTION_PTR;
|
||
typedef struct saved_bf_symnum SAVED_BF, *SAVED_BF_PTR;
|
||
|
||
/* Local functions */
|
||
|
||
extern void _initialize_f_language (void);
|
||
#if 0
|
||
static void clear_function_list (void);
|
||
static long get_bf_for_fcn (long);
|
||
static void clear_bf_list (void);
|
||
static void patch_all_commons_by_name (char *, CORE_ADDR, int);
|
||
static SAVED_F77_COMMON_PTR find_first_common_named (char *);
|
||
static void add_common_entry (struct symbol *);
|
||
static void add_common_block (char *, CORE_ADDR, int, char *);
|
||
static SAVED_FUNCTION *allocate_saved_function_node (void);
|
||
static SAVED_BF_PTR allocate_saved_bf_node (void);
|
||
static COMMON_ENTRY_PTR allocate_common_entry_node (void);
|
||
static SAVED_F77_COMMON_PTR allocate_saved_f77_common_node (void);
|
||
static void patch_common_entries (SAVED_F77_COMMON_PTR, CORE_ADDR, int);
|
||
#endif
|
||
|
||
static struct type *f_create_fundamental_type (struct objfile *, int);
|
||
static void f_printchar (int c, struct ui_file * stream);
|
||
static void f_emit_char (int c, struct ui_file * stream, int quoter);
|
||
|
||
/* Print the character C on STREAM as part of the contents of a literal
|
||
string whose delimiter is QUOTER. Note that that format for printing
|
||
characters and strings is language specific.
|
||
FIXME: This is a copy of the same function from c-exp.y. It should
|
||
be replaced with a true F77 version. */
|
||
|
||
static void
|
||
f_emit_char (int c, struct ui_file *stream, int quoter)
|
||
{
|
||
c &= 0xFF; /* Avoid sign bit follies */
|
||
|
||
if (PRINT_LITERAL_FORM (c))
|
||
{
|
||
if (c == '\\' || c == quoter)
|
||
fputs_filtered ("\\", stream);
|
||
fprintf_filtered (stream, "%c", c);
|
||
}
|
||
else
|
||
{
|
||
switch (c)
|
||
{
|
||
case '\n':
|
||
fputs_filtered ("\\n", stream);
|
||
break;
|
||
case '\b':
|
||
fputs_filtered ("\\b", stream);
|
||
break;
|
||
case '\t':
|
||
fputs_filtered ("\\t", stream);
|
||
break;
|
||
case '\f':
|
||
fputs_filtered ("\\f", stream);
|
||
break;
|
||
case '\r':
|
||
fputs_filtered ("\\r", stream);
|
||
break;
|
||
case '\033':
|
||
fputs_filtered ("\\e", stream);
|
||
break;
|
||
case '\007':
|
||
fputs_filtered ("\\a", stream);
|
||
break;
|
||
default:
|
||
fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* FIXME: This is a copy of the same function from c-exp.y. It should
|
||
be replaced with a true F77version. */
|
||
|
||
static void
|
||
f_printchar (int c, struct ui_file *stream)
|
||
{
|
||
fputs_filtered ("'", stream);
|
||
LA_EMIT_CHAR (c, stream, '\'');
|
||
fputs_filtered ("'", stream);
|
||
}
|
||
|
||
/* Print the character string STRING, printing at most LENGTH characters.
|
||
Printing stops early if the number hits print_max; repeat counts
|
||
are printed as appropriate. Print ellipses at the end if we
|
||
had to stop before printing LENGTH characters, or if FORCE_ELLIPSES.
|
||
FIXME: This is a copy of the same function from c-exp.y. It should
|
||
be replaced with a true F77 version. */
|
||
|
||
static void
|
||
f_printstr (struct ui_file *stream, const gdb_byte *string,
|
||
unsigned int length, int width, int force_ellipses)
|
||
{
|
||
unsigned int i;
|
||
unsigned int things_printed = 0;
|
||
int in_quotes = 0;
|
||
int need_comma = 0;
|
||
|
||
if (length == 0)
|
||
{
|
||
fputs_filtered ("''", gdb_stdout);
|
||
return;
|
||
}
|
||
|
||
for (i = 0; i < length && things_printed < print_max; ++i)
|
||
{
|
||
/* Position of the character we are examining
|
||
to see whether it is repeated. */
|
||
unsigned int rep1;
|
||
/* Number of repetitions we have detected so far. */
|
||
unsigned int reps;
|
||
|
||
QUIT;
|
||
|
||
if (need_comma)
|
||
{
|
||
fputs_filtered (", ", stream);
|
||
need_comma = 0;
|
||
}
|
||
|
||
rep1 = i + 1;
|
||
reps = 1;
|
||
while (rep1 < length && string[rep1] == string[i])
|
||
{
|
||
++rep1;
|
||
++reps;
|
||
}
|
||
|
||
if (reps > repeat_count_threshold)
|
||
{
|
||
if (in_quotes)
|
||
{
|
||
if (inspect_it)
|
||
fputs_filtered ("\\', ", stream);
|
||
else
|
||
fputs_filtered ("', ", stream);
|
||
in_quotes = 0;
|
||
}
|
||
f_printchar (string[i], stream);
|
||
fprintf_filtered (stream, " <repeats %u times>", reps);
|
||
i = rep1 - 1;
|
||
things_printed += repeat_count_threshold;
|
||
need_comma = 1;
|
||
}
|
||
else
|
||
{
|
||
if (!in_quotes)
|
||
{
|
||
if (inspect_it)
|
||
fputs_filtered ("\\'", stream);
|
||
else
|
||
fputs_filtered ("'", stream);
|
||
in_quotes = 1;
|
||
}
|
||
LA_EMIT_CHAR (string[i], stream, '"');
|
||
++things_printed;
|
||
}
|
||
}
|
||
|
||
/* Terminate the quotes if necessary. */
|
||
if (in_quotes)
|
||
{
|
||
if (inspect_it)
|
||
fputs_filtered ("\\'", stream);
|
||
else
|
||
fputs_filtered ("'", stream);
|
||
}
|
||
|
||
if (force_ellipses || i < length)
|
||
fputs_filtered ("...", stream);
|
||
}
|
||
|
||
/* FIXME: This is a copy of c_create_fundamental_type(), before
|
||
all the non-C types were stripped from it. Needs to be fixed
|
||
by an experienced F77 programmer. */
|
||
|
||
static struct type *
|
||
f_create_fundamental_type (struct objfile *objfile, int typeid)
|
||
{
|
||
struct type *type = NULL;
|
||
|
||
switch (typeid)
|
||
{
|
||
case FT_VOID:
|
||
type = init_type (TYPE_CODE_VOID,
|
||
TARGET_CHAR_BIT / TARGET_CHAR_BIT,
|
||
0, "VOID", objfile);
|
||
break;
|
||
case FT_BOOLEAN:
|
||
type = init_type (TYPE_CODE_BOOL,
|
||
TARGET_CHAR_BIT / TARGET_CHAR_BIT,
|
||
TYPE_FLAG_UNSIGNED, "boolean", objfile);
|
||
break;
|
||
case FT_STRING:
|
||
type = init_type (TYPE_CODE_STRING,
|
||
TARGET_CHAR_BIT / TARGET_CHAR_BIT,
|
||
0, "string", objfile);
|
||
break;
|
||
case FT_CHAR:
|
||
type = init_type (TYPE_CODE_INT,
|
||
TARGET_CHAR_BIT / TARGET_CHAR_BIT,
|
||
0, "character", objfile);
|
||
break;
|
||
case FT_SIGNED_CHAR:
|
||
type = init_type (TYPE_CODE_INT,
|
||
TARGET_CHAR_BIT / TARGET_CHAR_BIT,
|
||
0, "integer*1", objfile);
|
||
break;
|
||
case FT_UNSIGNED_CHAR:
|
||
type = init_type (TYPE_CODE_BOOL,
|
||
TARGET_CHAR_BIT / TARGET_CHAR_BIT,
|
||
TYPE_FLAG_UNSIGNED, "logical*1", objfile);
|
||
break;
|
||
case FT_SHORT:
|
||
type = init_type (TYPE_CODE_INT,
|
||
TARGET_SHORT_BIT / TARGET_CHAR_BIT,
|
||
0, "integer*2", objfile);
|
||
break;
|
||
case FT_SIGNED_SHORT:
|
||
type = init_type (TYPE_CODE_INT,
|
||
TARGET_SHORT_BIT / TARGET_CHAR_BIT,
|
||
0, "short", objfile); /* FIXME-fnf */
|
||
break;
|
||
case FT_UNSIGNED_SHORT:
|
||
type = init_type (TYPE_CODE_BOOL,
|
||
TARGET_SHORT_BIT / TARGET_CHAR_BIT,
|
||
TYPE_FLAG_UNSIGNED, "logical*2", objfile);
|
||
break;
|
||
case FT_INTEGER:
|
||
type = init_type (TYPE_CODE_INT,
|
||
TARGET_INT_BIT / TARGET_CHAR_BIT,
|
||
0, "integer*4", objfile);
|
||
break;
|
||
case FT_SIGNED_INTEGER:
|
||
type = init_type (TYPE_CODE_INT,
|
||
TARGET_INT_BIT / TARGET_CHAR_BIT,
|
||
0, "integer", objfile); /* FIXME -fnf */
|
||
break;
|
||
case FT_UNSIGNED_INTEGER:
|
||
type = init_type (TYPE_CODE_BOOL,
|
||
TARGET_INT_BIT / TARGET_CHAR_BIT,
|
||
TYPE_FLAG_UNSIGNED, "logical*4", objfile);
|
||
break;
|
||
case FT_FIXED_DECIMAL:
|
||
type = init_type (TYPE_CODE_INT,
|
||
TARGET_INT_BIT / TARGET_CHAR_BIT,
|
||
0, "fixed decimal", objfile);
|
||
break;
|
||
case FT_LONG:
|
||
type = init_type (TYPE_CODE_INT,
|
||
TARGET_LONG_BIT / TARGET_CHAR_BIT,
|
||
0, "long", objfile);
|
||
break;
|
||
case FT_SIGNED_LONG:
|
||
type = init_type (TYPE_CODE_INT,
|
||
TARGET_LONG_BIT / 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,
|
||
TYPE_FLAG_UNSIGNED, "unsigned long", objfile);
|
||
break;
|
||
case FT_LONG_LONG:
|
||
type = init_type (TYPE_CODE_INT,
|
||
TARGET_LONG_LONG_BIT / 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,
|
||
0, "signed long long", objfile);
|
||
break;
|
||
case FT_UNSIGNED_LONG_LONG:
|
||
type = init_type (TYPE_CODE_INT,
|
||
TARGET_LONG_LONG_BIT / 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,
|
||
0, "real", objfile);
|
||
break;
|
||
case FT_DBL_PREC_FLOAT:
|
||
type = init_type (TYPE_CODE_FLT,
|
||
TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
|
||
0, "real*8", objfile);
|
||
break;
|
||
case FT_FLOAT_DECIMAL:
|
||
type = init_type (TYPE_CODE_FLT,
|
||
TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
|
||
0, "floating decimal", objfile);
|
||
break;
|
||
case FT_EXT_PREC_FLOAT:
|
||
type = init_type (TYPE_CODE_FLT,
|
||
TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
|
||
0, "real*16", objfile);
|
||
break;
|
||
case FT_COMPLEX:
|
||
type = init_type (TYPE_CODE_COMPLEX,
|
||
2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
|
||
0, "complex*8", objfile);
|
||
TYPE_TARGET_TYPE (type) = builtin_type_f_real;
|
||
break;
|
||
case FT_DBL_PREC_COMPLEX:
|
||
type = init_type (TYPE_CODE_COMPLEX,
|
||
2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
|
||
0, "complex*16", objfile);
|
||
TYPE_TARGET_TYPE (type) = builtin_type_f_real_s8;
|
||
break;
|
||
case FT_EXT_PREC_COMPLEX:
|
||
type = init_type (TYPE_CODE_COMPLEX,
|
||
2 * TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
|
||
0, "complex*32", objfile);
|
||
TYPE_TARGET_TYPE (type) = builtin_type_f_real_s16;
|
||
break;
|
||
default:
|
||
/* FIXME: For now, if we are asked to produce a type not in this
|
||
language, create the equivalent of a C integer type with the
|
||
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,
|
||
0, "<?type?>", objfile);
|
||
warning (_("internal error: no F77 fundamental type %d"), typeid);
|
||
break;
|
||
}
|
||
return (type);
|
||
}
|
||
|
||
|
||
/* Table of operators and their precedences for printing expressions. */
|
||
|
||
static const struct op_print f_op_print_tab[] =
|
||
{
|
||
{"+", BINOP_ADD, PREC_ADD, 0},
|
||
{"+", UNOP_PLUS, PREC_PREFIX, 0},
|
||
{"-", BINOP_SUB, PREC_ADD, 0},
|
||
{"-", UNOP_NEG, PREC_PREFIX, 0},
|
||
{"*", BINOP_MUL, PREC_MUL, 0},
|
||
{"/", BINOP_DIV, PREC_MUL, 0},
|
||
{"DIV", BINOP_INTDIV, PREC_MUL, 0},
|
||
{"MOD", BINOP_REM, PREC_MUL, 0},
|
||
{"=", BINOP_ASSIGN, PREC_ASSIGN, 1},
|
||
{".OR.", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
|
||
{".AND.", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
|
||
{".NOT.", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
|
||
{".EQ.", BINOP_EQUAL, PREC_EQUAL, 0},
|
||
{".NE.", BINOP_NOTEQUAL, PREC_EQUAL, 0},
|
||
{".LE.", BINOP_LEQ, PREC_ORDER, 0},
|
||
{".GE.", BINOP_GEQ, PREC_ORDER, 0},
|
||
{".GT.", BINOP_GTR, PREC_ORDER, 0},
|
||
{".LT.", BINOP_LESS, PREC_ORDER, 0},
|
||
{"**", UNOP_IND, PREC_PREFIX, 0},
|
||
{"@", BINOP_REPEAT, PREC_REPEAT, 0},
|
||
{NULL, 0, 0, 0}
|
||
};
|
||
|
||
struct type **const (f_builtin_types[]) =
|
||
{
|
||
&builtin_type_f_character,
|
||
&builtin_type_f_logical,
|
||
&builtin_type_f_logical_s1,
|
||
&builtin_type_f_logical_s2,
|
||
&builtin_type_f_integer,
|
||
&builtin_type_f_integer_s2,
|
||
&builtin_type_f_real,
|
||
&builtin_type_f_real_s8,
|
||
&builtin_type_f_real_s16,
|
||
&builtin_type_f_complex_s8,
|
||
&builtin_type_f_complex_s16,
|
||
#if 0
|
||
&builtin_type_f_complex_s32,
|
||
#endif
|
||
&builtin_type_f_void,
|
||
0
|
||
};
|
||
|
||
/* This is declared in c-lang.h but it is silly to import that file for what
|
||
is already just a hack. */
|
||
extern int c_value_print (struct value *, struct ui_file *, int,
|
||
enum val_prettyprint);
|
||
|
||
const struct language_defn f_language_defn =
|
||
{
|
||
"fortran",
|
||
language_fortran,
|
||
f_builtin_types,
|
||
range_check_on,
|
||
type_check_on,
|
||
case_sensitive_off,
|
||
array_column_major,
|
||
&exp_descriptor_standard,
|
||
f_parse, /* parser */
|
||
f_error, /* parser error function */
|
||
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_create_fundamental_type, /* Create fundamental type in this language */
|
||
f_print_type, /* Print a type using appropriate syntax */
|
||
f_val_print, /* Print a value using appropriate syntax */
|
||
c_value_print, /* FIXME */
|
||
NULL, /* Language specific skip_trampoline */
|
||
value_of_this, /* value_of_this */
|
||
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
|
||
basic_lookup_transparent_type,/* lookup_transparent_type */
|
||
NULL, /* Language specific symbol demangler */
|
||
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 */
|
||
&builtin_type_f_character, /* Type of string elements */
|
||
default_word_break_characters,
|
||
NULL, /* FIXME: la_language_arch_info. */
|
||
default_print_array_index,
|
||
LANG_MAGIC
|
||
};
|
||
|
||
static void
|
||
build_fortran_types (void)
|
||
{
|
||
builtin_type_f_void =
|
||
init_type (TYPE_CODE_VOID, 1,
|
||
0,
|
||
"VOID", (struct objfile *) NULL);
|
||
|
||
builtin_type_f_character =
|
||
init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
|
||
0,
|
||
"character", (struct objfile *) NULL);
|
||
|
||
builtin_type_f_logical_s1 =
|
||
init_type (TYPE_CODE_BOOL, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
|
||
TYPE_FLAG_UNSIGNED,
|
||
"logical*1", (struct objfile *) NULL);
|
||
|
||
builtin_type_f_integer_s2 =
|
||
init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT,
|
||
0,
|
||
"integer*2", (struct objfile *) NULL);
|
||
|
||
builtin_type_f_logical_s2 =
|
||
init_type (TYPE_CODE_BOOL, TARGET_SHORT_BIT / TARGET_CHAR_BIT,
|
||
TYPE_FLAG_UNSIGNED,
|
||
"logical*2", (struct objfile *) NULL);
|
||
|
||
builtin_type_f_integer =
|
||
init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
|
||
0,
|
||
"integer", (struct objfile *) NULL);
|
||
|
||
builtin_type_f_logical =
|
||
init_type (TYPE_CODE_BOOL, TARGET_INT_BIT / TARGET_CHAR_BIT,
|
||
TYPE_FLAG_UNSIGNED,
|
||
"logical*4", (struct objfile *) NULL);
|
||
|
||
builtin_type_f_real =
|
||
init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
|
||
0,
|
||
"real", (struct objfile *) NULL);
|
||
|
||
builtin_type_f_real_s8 =
|
||
init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
|
||
0,
|
||
"real*8", (struct objfile *) NULL);
|
||
|
||
builtin_type_f_real_s16 =
|
||
init_type (TYPE_CODE_FLT, TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
|
||
0,
|
||
"real*16", (struct objfile *) NULL);
|
||
|
||
builtin_type_f_complex_s8 =
|
||
init_type (TYPE_CODE_COMPLEX, 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
|
||
0,
|
||
"complex*8", (struct objfile *) NULL);
|
||
TYPE_TARGET_TYPE (builtin_type_f_complex_s8) = builtin_type_f_real;
|
||
|
||
builtin_type_f_complex_s16 =
|
||
init_type (TYPE_CODE_COMPLEX, 2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
|
||
0,
|
||
"complex*16", (struct objfile *) NULL);
|
||
TYPE_TARGET_TYPE (builtin_type_f_complex_s16) = builtin_type_f_real_s8;
|
||
|
||
/* We have a new size == 4 double floats for the
|
||
complex*32 data type */
|
||
|
||
builtin_type_f_complex_s32 =
|
||
init_type (TYPE_CODE_COMPLEX, 2 * TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
|
||
0,
|
||
"complex*32", (struct objfile *) NULL);
|
||
TYPE_TARGET_TYPE (builtin_type_f_complex_s32) = builtin_type_f_real_s16;
|
||
}
|
||
|
||
void
|
||
_initialize_f_language (void)
|
||
{
|
||
build_fortran_types ();
|
||
|
||
DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_character);
|
||
DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_logical);
|
||
DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_logical_s1);
|
||
DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_logical_s2);
|
||
DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_integer);
|
||
DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_integer_s2);
|
||
DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_real);
|
||
DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_real_s8);
|
||
DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_real_s16);
|
||
DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_complex_s8);
|
||
DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_complex_s16);
|
||
DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_complex_s32);
|
||
DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_void);
|
||
DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_string);
|
||
deprecated_register_gdbarch_swap (NULL, 0, build_fortran_types);
|
||
|
||
builtin_type_string =
|
||
init_type (TYPE_CODE_STRING, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
|
||
0,
|
||
"character string", (struct objfile *) NULL);
|
||
|
||
add_language (&f_language_defn);
|
||
}
|
||
|
||
#if 0
|
||
static SAVED_BF_PTR
|
||
allocate_saved_bf_node (void)
|
||
{
|
||
SAVED_BF_PTR new;
|
||
|
||
new = (SAVED_BF_PTR) xmalloc (sizeof (SAVED_BF));
|
||
return (new);
|
||
}
|
||
|
||
static SAVED_FUNCTION *
|
||
allocate_saved_function_node (void)
|
||
{
|
||
SAVED_FUNCTION *new;
|
||
|
||
new = (SAVED_FUNCTION *) xmalloc (sizeof (SAVED_FUNCTION));
|
||
return (new);
|
||
}
|
||
|
||
static SAVED_F77_COMMON_PTR
|
||
allocate_saved_f77_common_node (void)
|
||
{
|
||
SAVED_F77_COMMON_PTR new;
|
||
|
||
new = (SAVED_F77_COMMON_PTR) xmalloc (sizeof (SAVED_F77_COMMON));
|
||
return (new);
|
||
}
|
||
|
||
static COMMON_ENTRY_PTR
|
||
allocate_common_entry_node (void)
|
||
{
|
||
COMMON_ENTRY_PTR new;
|
||
|
||
new = (COMMON_ENTRY_PTR) xmalloc (sizeof (COMMON_ENTRY));
|
||
return (new);
|
||
}
|
||
#endif
|
||
|
||
SAVED_F77_COMMON_PTR head_common_list = NULL; /* Ptr to 1st saved COMMON */
|
||
SAVED_F77_COMMON_PTR tail_common_list = NULL; /* Ptr to last saved COMMON */
|
||
SAVED_F77_COMMON_PTR current_common = NULL; /* Ptr to current COMMON */
|
||
|
||
#if 0
|
||
static SAVED_BF_PTR saved_bf_list = NULL; /* Ptr to (.bf,function)
|
||
list */
|
||
static SAVED_BF_PTR saved_bf_list_end = NULL; /* Ptr to above list's end */
|
||
static SAVED_BF_PTR current_head_bf_list = NULL; /* Current head of above list
|
||
*/
|
||
|
||
static SAVED_BF_PTR tmp_bf_ptr; /* Generic temporary for use
|
||
in macros */
|
||
|
||
/* The following function simply enters a given common block onto
|
||
the global common block chain */
|
||
|
||
static void
|
||
add_common_block (char *name, CORE_ADDR offset, int secnum, char *func_stab)
|
||
{
|
||
SAVED_F77_COMMON_PTR tmp;
|
||
char *c, *local_copy_func_stab;
|
||
|
||
/* If the COMMON block we are trying to add has a blank
|
||
name (i.e. "#BLNK_COM") then we set it to __BLANK
|
||
because the darn "#" character makes GDB's input
|
||
parser have fits. */
|
||
|
||
|
||
if (strcmp (name, BLANK_COMMON_NAME_ORIGINAL) == 0
|
||
|| strcmp (name, BLANK_COMMON_NAME_MF77) == 0)
|
||
{
|
||
|
||
xfree (name);
|
||
name = alloca (strlen (BLANK_COMMON_NAME_LOCAL) + 1);
|
||
strcpy (name, BLANK_COMMON_NAME_LOCAL);
|
||
}
|
||
|
||
tmp = allocate_saved_f77_common_node ();
|
||
|
||
local_copy_func_stab = xmalloc (strlen (func_stab) + 1);
|
||
strcpy (local_copy_func_stab, func_stab);
|
||
|
||
tmp->name = xmalloc (strlen (name) + 1);
|
||
|
||
/* local_copy_func_stab is a stabstring, let us first extract the
|
||
function name from the stab by NULLing out the ':' character. */
|
||
|
||
|
||
c = NULL;
|
||
c = strchr (local_copy_func_stab, ':');
|
||
|
||
if (c)
|
||
*c = '\0';
|
||
else
|
||
error (_("Malformed function STAB found in add_common_block()"));
|
||
|
||
|
||
tmp->owning_function = xmalloc (strlen (local_copy_func_stab) + 1);
|
||
|
||
strcpy (tmp->owning_function, local_copy_func_stab);
|
||
|
||
strcpy (tmp->name, name);
|
||
tmp->offset = offset;
|
||
tmp->next = NULL;
|
||
tmp->entries = NULL;
|
||
tmp->secnum = secnum;
|
||
|
||
current_common = tmp;
|
||
|
||
if (head_common_list == NULL)
|
||
{
|
||
head_common_list = tail_common_list = tmp;
|
||
}
|
||
else
|
||
{
|
||
tail_common_list->next = tmp;
|
||
tail_common_list = tmp;
|
||
}
|
||
}
|
||
#endif
|
||
|
||
/* The following function simply enters a given common entry onto
|
||
the "current_common" block that has been saved away. */
|
||
|
||
#if 0
|
||
static void
|
||
add_common_entry (struct symbol *entry_sym_ptr)
|
||
{
|
||
COMMON_ENTRY_PTR tmp;
|
||
|
||
|
||
|
||
/* The order of this list is important, since
|
||
we expect the entries to appear in decl.
|
||
order when we later issue "info common" calls */
|
||
|
||
tmp = allocate_common_entry_node ();
|
||
|
||
tmp->next = NULL;
|
||
tmp->symbol = entry_sym_ptr;
|
||
|
||
if (current_common == NULL)
|
||
error (_("Attempt to add COMMON entry with no block open!"));
|
||
else
|
||
{
|
||
if (current_common->entries == NULL)
|
||
{
|
||
current_common->entries = tmp;
|
||
current_common->end_of_entries = tmp;
|
||
}
|
||
else
|
||
{
|
||
current_common->end_of_entries->next = tmp;
|
||
current_common->end_of_entries = tmp;
|
||
}
|
||
}
|
||
}
|
||
#endif
|
||
|
||
/* This routine finds the first encountred COMMON block named "name" */
|
||
|
||
#if 0
|
||
static SAVED_F77_COMMON_PTR
|
||
find_first_common_named (char *name)
|
||
{
|
||
|
||
SAVED_F77_COMMON_PTR tmp;
|
||
|
||
tmp = head_common_list;
|
||
|
||
while (tmp != NULL)
|
||
{
|
||
if (strcmp (tmp->name, name) == 0)
|
||
return (tmp);
|
||
else
|
||
tmp = tmp->next;
|
||
}
|
||
return (NULL);
|
||
}
|
||
#endif
|
||
|
||
/* This routine finds the first encountred COMMON block named "name"
|
||
that belongs to function funcname */
|
||
|
||
SAVED_F77_COMMON_PTR
|
||
find_common_for_function (char *name, char *funcname)
|
||
{
|
||
|
||
SAVED_F77_COMMON_PTR tmp;
|
||
|
||
tmp = head_common_list;
|
||
|
||
while (tmp != NULL)
|
||
{
|
||
if (DEPRECATED_STREQ (tmp->name, name)
|
||
&& DEPRECATED_STREQ (tmp->owning_function, funcname))
|
||
return (tmp);
|
||
else
|
||
tmp = tmp->next;
|
||
}
|
||
return (NULL);
|
||
}
|
||
|
||
|
||
#if 0
|
||
|
||
/* The following function is called to patch up the offsets
|
||
for the statics contained in the COMMON block named
|
||
"name." */
|
||
|
||
static void
|
||
patch_common_entries (SAVED_F77_COMMON_PTR blk, CORE_ADDR offset, int secnum)
|
||
{
|
||
COMMON_ENTRY_PTR entry;
|
||
|
||
blk->offset = offset; /* Keep this around for future use. */
|
||
|
||
entry = blk->entries;
|
||
|
||
while (entry != NULL)
|
||
{
|
||
SYMBOL_VALUE (entry->symbol) += offset;
|
||
SYMBOL_SECTION (entry->symbol) = secnum;
|
||
|
||
entry = entry->next;
|
||
}
|
||
blk->secnum = secnum;
|
||
}
|
||
|
||
/* Patch all commons named "name" that need patching.Since COMMON
|
||
blocks occur with relative infrequency, we simply do a linear scan on
|
||
the name. Eventually, the best way to do this will be a
|
||
hashed-lookup. Secnum is the section number for the .bss section
|
||
(which is where common data lives). */
|
||
|
||
static void
|
||
patch_all_commons_by_name (char *name, CORE_ADDR offset, int secnum)
|
||
{
|
||
|
||
SAVED_F77_COMMON_PTR tmp;
|
||
|
||
/* For blank common blocks, change the canonical reprsentation
|
||
of a blank name */
|
||
|
||
if (strcmp (name, BLANK_COMMON_NAME_ORIGINAL) == 0
|
||
|| strcmp (name, BLANK_COMMON_NAME_MF77) == 0)
|
||
{
|
||
xfree (name);
|
||
name = alloca (strlen (BLANK_COMMON_NAME_LOCAL) + 1);
|
||
strcpy (name, BLANK_COMMON_NAME_LOCAL);
|
||
}
|
||
|
||
tmp = head_common_list;
|
||
|
||
while (tmp != NULL)
|
||
{
|
||
if (COMMON_NEEDS_PATCHING (tmp))
|
||
if (strcmp (tmp->name, name) == 0)
|
||
patch_common_entries (tmp, offset, secnum);
|
||
|
||
tmp = tmp->next;
|
||
}
|
||
}
|
||
#endif
|
||
|
||
/* This macro adds the symbol-number for the start of the function
|
||
(the symbol number of the .bf) referenced by symnum_fcn to a
|
||
list. This list, in reality should be a FIFO queue but since
|
||
#line pragmas sometimes cause line ranges to get messed up
|
||
we simply create a linear list. This list can then be searched
|
||
first by a queueing algorithm and upon failure fall back to
|
||
a linear scan. */
|
||
|
||
#if 0
|
||
#define ADD_BF_SYMNUM(bf_sym,fcn_sym) \
|
||
\
|
||
if (saved_bf_list == NULL) \
|
||
{ \
|
||
tmp_bf_ptr = allocate_saved_bf_node(); \
|
||
\
|
||
tmp_bf_ptr->symnum_bf = (bf_sym); \
|
||
tmp_bf_ptr->symnum_fcn = (fcn_sym); \
|
||
tmp_bf_ptr->next = NULL; \
|
||
\
|
||
current_head_bf_list = saved_bf_list = tmp_bf_ptr; \
|
||
saved_bf_list_end = tmp_bf_ptr; \
|
||
} \
|
||
else \
|
||
{ \
|
||
tmp_bf_ptr = allocate_saved_bf_node(); \
|
||
\
|
||
tmp_bf_ptr->symnum_bf = (bf_sym); \
|
||
tmp_bf_ptr->symnum_fcn = (fcn_sym); \
|
||
tmp_bf_ptr->next = NULL; \
|
||
\
|
||
saved_bf_list_end->next = tmp_bf_ptr; \
|
||
saved_bf_list_end = tmp_bf_ptr; \
|
||
}
|
||
#endif
|
||
|
||
/* This function frees the entire (.bf,function) list */
|
||
|
||
#if 0
|
||
static void
|
||
clear_bf_list (void)
|
||
{
|
||
|
||
SAVED_BF_PTR tmp = saved_bf_list;
|
||
SAVED_BF_PTR next = NULL;
|
||
|
||
while (tmp != NULL)
|
||
{
|
||
next = tmp->next;
|
||
xfree (tmp);
|
||
tmp = next;
|
||
}
|
||
saved_bf_list = NULL;
|
||
}
|
||
#endif
|
||
|
||
int global_remote_debug;
|
||
|
||
#if 0
|
||
|
||
static long
|
||
get_bf_for_fcn (long the_function)
|
||
{
|
||
SAVED_BF_PTR tmp;
|
||
int nprobes = 0;
|
||
|
||
/* First use a simple queuing algorithm (i.e. look and see if the
|
||
item at the head of the queue is the one you want) */
|
||
|
||
if (saved_bf_list == NULL)
|
||
internal_error (__FILE__, __LINE__,
|
||
_("cannot get .bf node off empty list"));
|
||
|
||
if (current_head_bf_list != NULL)
|
||
if (current_head_bf_list->symnum_fcn == the_function)
|
||
{
|
||
if (global_remote_debug)
|
||
fprintf_unfiltered (gdb_stderr, "*");
|
||
|
||
tmp = current_head_bf_list;
|
||
current_head_bf_list = current_head_bf_list->next;
|
||
return (tmp->symnum_bf);
|
||
}
|
||
|
||
/* If the above did not work (probably because #line directives were
|
||
used in the sourcefile and they messed up our internal tables) we now do
|
||
the ugly linear scan */
|
||
|
||
if (global_remote_debug)
|
||
fprintf_unfiltered (gdb_stderr, "\ndefaulting to linear scan\n");
|
||
|
||
nprobes = 0;
|
||
tmp = saved_bf_list;
|
||
while (tmp != NULL)
|
||
{
|
||
nprobes++;
|
||
if (tmp->symnum_fcn == the_function)
|
||
{
|
||
if (global_remote_debug)
|
||
fprintf_unfiltered (gdb_stderr, "Found in %d probes\n", nprobes);
|
||
current_head_bf_list = tmp->next;
|
||
return (tmp->symnum_bf);
|
||
}
|
||
tmp = tmp->next;
|
||
}
|
||
|
||
return (-1);
|
||
}
|
||
|
||
static SAVED_FUNCTION_PTR saved_function_list = NULL;
|
||
static SAVED_FUNCTION_PTR saved_function_list_end = NULL;
|
||
|
||
static void
|
||
clear_function_list (void)
|
||
{
|
||
SAVED_FUNCTION_PTR tmp = saved_function_list;
|
||
SAVED_FUNCTION_PTR next = NULL;
|
||
|
||
while (tmp != NULL)
|
||
{
|
||
next = tmp->next;
|
||
xfree (tmp);
|
||
tmp = next;
|
||
}
|
||
|
||
saved_function_list = NULL;
|
||
}
|
||
#endif
|