X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Ff-lang.c;h=29fdb3b90e0d859081ab1bb2e8714adca10715eb;hb=7913a64cab3930fe524f0e38f85cfca11bd52dcb;hp=5f1540299a0eee439764d8836eb4e34a4bfa8c36;hpb=74ccd7f58b78303b1de7c7823d39821119592c20;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/f-lang.c b/gdb/f-lang.c index 5f1540299a..29fdb3b90e 100644 --- a/gdb/f-lang.c +++ b/gdb/f-lang.c @@ -1,7 +1,6 @@ /* Fortran language support routines for GDB, the GNU debugger. - Copyright (C) 1993-1996, 1998-2005, 2007-2012 Free Software - Foundation, Inc. + Copyright (C) 1993-2016 Free Software Foundation, Inc. Contributed by Motorola. Adapted from the C parser by Farooq Butt (fmbutt@engage.sps.mot.com). @@ -22,56 +21,23 @@ along with this program. If not, see . */ #include "defs.h" -#include "gdb_string.h" #include "symtab.h" #include "gdbtypes.h" #include "expression.h" #include "parser-defs.h" #include "language.h" +#include "varobj.h" #include "f-lang.h" #include "valprint.h" #include "value.h" #include "cp-support.h" #include "charset.h" +#include "c-lang.h" -/* 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 void f_printchar (int c, struct type *type, struct ui_file * stream); static void f_emit_char (int c, struct type *type, @@ -177,7 +143,7 @@ static const struct op_print f_op_print_tab[] = {".LT.", BINOP_LESS, PREC_ORDER, 0}, {"**", UNOP_IND, PREC_PREFIX, 0}, {"@", BINOP_REPEAT, PREC_REPEAT, 0}, - {NULL, 0, 0, 0} + {NULL, OP_NULL, PREC_REPEAT, 0} }; enum f_primitive_types { @@ -262,29 +228,33 @@ f_word_break_characters (void) /* Consider the modules separator :: as a valid symbol name character class. */ -static char ** -f_make_symbol_completion_list (char *text, char *word) +static VEC (char_ptr) * +f_make_symbol_completion_list (const char *text, const char *word, + enum type_code code) { - return default_make_symbol_completion_list_break_on (text, word, ":"); + return default_make_symbol_completion_list_break_on (text, word, ":", code); } -/* 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 *, - const struct value_print_options *); +static const char *f_extensions[] = +{ + ".f", ".F", ".for", ".FOR", ".ftn", ".FTN", ".fpp", ".FPP", + ".f90", ".F90", ".f95", ".F95", ".f03", ".F03", ".f08", ".F08", + NULL +}; const struct language_defn f_language_defn = { "fortran", + "Fortran", language_fortran, range_check_on, - type_check_on, case_sensitive_off, array_column_major, macro_expansion_no, + f_extensions, &exp_descriptor_standard, f_parse, /* parser */ - f_error, /* parser error function */ + f_yyerror, /* parser error function */ null_post_parser, f_printchar, /* Print character constant */ f_printstr, /* function to print string constant */ @@ -293,11 +263,19 @@ const struct language_defn f_language_defn = 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 */ 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 */ @@ -309,8 +287,11 @@ const struct language_defn f_language_defn = default_print_array_index, default_pass_by_reference, default_get_string, - NULL, /* la_get_symbol_name_match_p */ + NULL, /* la_get_symbol_name_cmp */ iterate_over_symbols, + &default_varobj_ops, + NULL, + NULL, LANG_MAGIC }; @@ -351,13 +332,13 @@ build_fortran_types (struct gdbarch *gdbarch) builtin_f_type->builtin_real = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch), - "real", NULL); + "real", gdbarch_float_format (gdbarch)); builtin_f_type->builtin_real_s8 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch), - "real*8", NULL); + "real*8", gdbarch_double_format (gdbarch)); builtin_f_type->builtin_real_s16 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch), - "real*16", NULL); + "real*16", gdbarch_long_double_format (gdbarch)); builtin_f_type->builtin_complex_s8 = arch_complex_type (gdbarch, "complex*8", @@ -377,7 +358,7 @@ static struct gdbarch_data *f_type_data; const struct builtin_f_type * builtin_f_type (struct gdbarch *gdbarch) { - return gdbarch_data (gdbarch, f_type_data); + return (const struct builtin_f_type *) gdbarch_data (gdbarch, f_type_data); } void @@ -387,395 +368,3 @@ _initialize_f_language (void) 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 (strcmp (tmp->name, name) == 0 - && strcmp (tmp->owning_function, funcname) == 0) - 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