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2012-09-26 Jan Kratochvil <jan.kratochvil@redhat.com>

Browse Source 
Tom Tromey  <tromey@redhat.com>

	* f-lang.c (allocate_saved_bf_node,
	allocate_saved_function_node, allocate_saved_f77_common_node,
	allocate_common_entry_node, tail_common_list, current_common,
	saved_bf_list, saved_bf_list_end, current_head_bf_list,
	tmp_bf_ptr, add_common_block, add_common_entry,
	find_first_common_named, patch_common_entries,
	patch_all_commons_by_name, ADD_BF_SYMNUM, clear_bf_list,
	global_remote_debug, get_bf_for_fcn, saved_function_list,
	saved_function_list_end, clear_function_list, struct saved_fcn,
	struct saved_bf_symnum, SAVED_FUNCTION, SAVED_FUNCTION_PTR,
	SAVED_BF, SAVED_BF_PTR): Remove.
	* f-lang.h (tail_common_list, current_common,
	UNINITIALIZED_SECNUM, COMMON_NEEDS_PATCHING,
	BLANK_COMMON_NAME_ORIGINAL, BLANK_COMMON_NAME_MF77,
	DEFAULT_UPPER_BOUND, DEFAULT_LOWER_BOUND, real_main_name,
	real_main_c_value): Remove.
	* f-valprint.c (there_is_a_visible_common_named): Remove.
This commit is contained in:
Tom Tromey
2012-09-26 19:05:09 +00:00
parent 6f380991ba
commit 965f07a88d
4 changed files with 21 additions and 485 deletions
Download Patch File Download Diff File Expand all files Collapse all files

402
gdb/f-lang.c
View File

@ -36,43 +36,9 @@
#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,
@ -384,185 +350,7 @@ _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. */
@ -585,193 +373,3 @@ find_common_for_function (const char *name, const char *funcname)
}
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