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author | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:34:07 +0000 |
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committer | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:34:07 +0000 |
commit | 071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch) | |
tree | 5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/f-lang.c | |
parent | 1730ec6b1848f0f32154277f788fb29f88d8475b (diff) | |
download | gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.zip gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.gz gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.bz2 |
Initial creation of sourceware repository
Diffstat (limited to 'gdb/f-lang.c')
-rw-r--r-- | gdb/f-lang.c | 973 |
1 files changed, 0 insertions, 973 deletions
diff --git a/gdb/f-lang.c b/gdb/f-lang.c deleted file mode 100644 index 4ee66d5..0000000 --- a/gdb/f-lang.c +++ /dev/null @@ -1,973 +0,0 @@ -/* Fortran language support routines for GDB, the GNU debugger. - Copyright 1993, 1994, 1996 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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" - -/* 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 */ - -#if 0 -static void clear_function_list PARAMS ((void)); -static long get_bf_for_fcn PARAMS ((long)); -static void clear_bf_list PARAMS ((void)); -static void patch_all_commons_by_name PARAMS ((char *, CORE_ADDR, int)); -static SAVED_F77_COMMON_PTR find_first_common_named PARAMS ((char *)); -static void add_common_entry PARAMS ((struct symbol *)); -static void add_common_block PARAMS ((char *, CORE_ADDR, int, char *)); -static SAVED_FUNCTION *allocate_saved_function_node PARAMS ((void)); -static SAVED_BF_PTR allocate_saved_bf_node PARAMS ((void)); -static COMMON_ENTRY_PTR allocate_common_entry_node PARAMS ((void)); -static SAVED_F77_COMMON_PTR allocate_saved_f77_common_node PARAMS ((void)); -static void patch_common_entries PARAMS ((SAVED_F77_COMMON_PTR, CORE_ADDR, int)); -#endif - -static struct type *f_create_fundamental_type PARAMS ((struct objfile *, int)); -static void f_printstr PARAMS ((GDB_FILE *stream, char *string, unsigned int length, int width, int force_ellipses)); -static void f_printchar PARAMS ((int c, GDB_FILE *stream)); -static void f_emit_char PARAMS ((int c, GDB_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 (c, stream, quoter) - register int c; - GDB_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 (c, stream) - int c; - GDB_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 (stream, string, length, width, force_ellipses) - GDB_FILE *stream; - char *string; - unsigned int length; - int width; - int force_ellipses; -{ - register unsigned int i; - unsigned int things_printed = 0; - int in_quotes = 0; - int need_comma = 0; - extern int inspect_it; - extern int repeat_count_threshold; - extern int print_max; - - 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 (objfile, typeid) - struct objfile *objfile; - int typeid; -{ - register 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_PTR (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 PARAMS ((struct value *, GDB_FILE *, int, enum val_prettyprint)); - -const struct language_defn f_language_defn = { - "fortran", - language_fortran, - f_builtin_types, - range_check_on, - type_check_on, - f_parse, /* parser */ - f_error, /* parser error function */ - evaluate_subexp_standard, - 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 */ - {"", "", "", ""}, /* Binary format info */ - {"0%o", "0", "o", ""}, /* Octal format info */ - {"%d", "", "d", ""}, /* Decimal format info */ - {"0x%x", "0x", "x", ""}, /* Hex format info */ - 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 */ - LANG_MAGIC - }; - -void -_initialize_f_language () -{ - 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; - - 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() -{ - SAVED_BF_PTR new; - - new = (SAVED_BF_PTR) xmalloc (sizeof (SAVED_BF)); - return(new); -} - -static SAVED_FUNCTION * -allocate_saved_function_node() -{ - SAVED_FUNCTION *new; - - new = (SAVED_FUNCTION *) xmalloc (sizeof (SAVED_FUNCTION)); - return(new); -} - -static SAVED_F77_COMMON_PTR allocate_saved_f77_common_node() -{ - 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() -{ - 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(name,offset,secnum,func_stab) - 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 (STREQ(name,BLANK_COMMON_NAME_ORIGINAL) || - STREQ(name,BLANK_COMMON_NAME_MF77)) - { - - free(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(entry_sym_ptr) - 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(name) - char *name; -{ - - SAVED_F77_COMMON_PTR tmp; - - tmp = head_common_list; - - while (tmp != NULL) - { - if (STREQ(tmp->name,name)) - 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(name, funcname) - char *name; - char *funcname; -{ - - SAVED_F77_COMMON_PTR tmp; - - tmp = head_common_list; - - while (tmp != NULL) - { - if (STREQ(tmp->name,name) && 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 (blk, offset, secnum) - 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 (name, offset, secnum) - 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 ((STREQ(name,BLANK_COMMON_NAME_ORIGINAL)) || - (STREQ(name,BLANK_COMMON_NAME_MF77))) - { - free(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 (STREQ(tmp->name,name)) - 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() -{ - - SAVED_BF_PTR tmp = saved_bf_list; - SAVED_BF_PTR next = NULL; - - while (tmp != NULL) - { - next = tmp->next; - free(tmp); - tmp=next; - } - saved_bf_list = NULL; -} -#endif - -int global_remote_debug; - -#if 0 - -static long -get_bf_for_fcn (the_function) - 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) - fatal ("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(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(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(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() -{ - SAVED_FUNCTION_PTR tmp = saved_function_list; - SAVED_FUNCTION_PTR next = NULL; - - while (tmp != NULL) - { - next = tmp->next; - free(tmp); - tmp = next; - } - - saved_function_list = NULL; -} -#endif - |