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gdb-fortran-common-reduce.patch
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File gdb-fortran-common-reduce.patch of Package gdb
Index: gdb-7.4.50.20120602/gdb/f-lang.c =================================================================== --- gdb-7.4.50.20120602.orig/gdb/f-lang.c 2012-03-02 20:29:00.000000000 +0100 +++ gdb-7.4.50.20120602/gdb/f-lang.c 2012-06-02 19:13:31.520050654 +0200 @@ -59,20 +59,6 @@ typedef struct saved_bf_symnum SAVED_BF, /* 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, @@ -385,185 +371,7 @@ _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. */ @@ -586,193 +394,3 @@ find_common_for_function (const char *na } 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 Index: gdb-7.4.50.20120602/gdb/f-lang.h =================================================================== --- gdb-7.4.50.20120602.orig/gdb/f-lang.h 2012-06-02 19:11:54.000000000 +0200 +++ gdb-7.4.50.20120602/gdb/f-lang.h 2012-06-02 19:13:55.345317970 +0200 @@ -76,15 +76,10 @@ typedef struct saved_f77_common SAVED_F7 typedef struct common_entry COMMON_ENTRY, *COMMON_ENTRY_PTR; extern SAVED_F77_COMMON_PTR head_common_list; /* Ptr to 1st saved COMMON */ -extern SAVED_F77_COMMON_PTR tail_common_list; /* Ptr to last saved COMMON */ -extern SAVED_F77_COMMON_PTR current_common; /* Ptr to current COMMON */ extern SAVED_F77_COMMON_PTR find_common_for_function (const char *, const char *); -#define UNINITIALIZED_SECNUM -1 -#define COMMON_NEEDS_PATCHING(blk) ((blk)->secnum == UNINITIALIZED_SECNUM) - #define BLANK_COMMON_NAME_ORIGINAL "#BLNK_COM" /* XLF assigned */ #define BLANK_COMMON_NAME_MF77 "__BLNK__" /* MF77 assigned */ #define BLANK_COMMON_NAME_LOCAL "__BLANK" /* Local GDB */ Index: gdb-7.4.50.20120602/gdb/f-valprint.c =================================================================== --- gdb-7.4.50.20120602.orig/gdb/f-valprint.c 2012-06-02 19:11:54.000000000 +0200 +++ gdb-7.4.50.20120602/gdb/f-valprint.c 2012-06-02 19:14:11.625313432 +0200 @@ -35,10 +35,6 @@ #include "command.h" #include "block.h" -#if 0 -static int there_is_a_visible_common_named (char *); -#endif - extern void _initialize_f_valprint (void); static void info_common_command (char *, int); static void list_all_visible_commons (const char *); @@ -535,67 +531,6 @@ info_common_command (char *comname, int comname, funname); } -/* This function is used to determine whether there is a - F77 common block visible at the current scope called 'comname'. */ - -#if 0 -static int -there_is_a_visible_common_named (char *comname) -{ - SAVED_F77_COMMON_PTR the_common; - struct frame_info *fi; - char *funname = 0; - struct symbol *func; - - if (comname == NULL) - error (_("Cannot deal with NULL common name!")); - - fi = get_selected_frame (_("No frame selected")); - - /* The following is generally ripped off from stack.c's routine - print_frame_info(). */ - - func = find_pc_function (fi->pc); - if (func) - { - /* In certain pathological cases, the symtabs give the wrong - function (when we are in the first function in a file which - is compiled without debugging symbols, the previous function - is compiled with debugging symbols, and the "foo.o" symbol - that is supposed to tell us where the file with debugging symbols - ends has been truncated by ar because it is longer than 15 - characters). - - So look in the minimal symbol tables as well, and if it comes - up with a larger address for the function use that instead. - I don't think this can ever cause any problems; there shouldn't - be any minimal symbols in the middle of a function. - FIXME: (Not necessarily true. What about text labels?) */ - - struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc); - - if (msymbol != NULL - && (SYMBOL_VALUE_ADDRESS (msymbol) - > BLOCK_START (SYMBOL_BLOCK_VALUE (func)))) - funname = SYMBOL_LINKAGE_NAME (msymbol); - else - funname = SYMBOL_LINKAGE_NAME (func); - } - else - { - struct minimal_symbol *msymbol = - lookup_minimal_symbol_by_pc (fi->pc); - - if (msymbol != NULL) - funname = SYMBOL_LINKAGE_NAME (msymbol); - } - - the_common = find_common_for_function (comname, funname); - - return (the_common ? 1 : 0); -} -#endif - void _initialize_f_valprint (void) {
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