1996-02-16 22:14:47 +00:00
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/* Include file cached obstack implementation.
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Written by Fred Fish (fnf@cygnus.com)
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Copyright 1995 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef BCACHE_H
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#define BCACHE_H 1
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#define BCACHE_HASHLENGTH 12 /* Number of bits in hash value */
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#define BCACHE_HASHSIZE (1 << BCACHE_HASHLENGTH)
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#define BCACHE_MAXLENGTH 128
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1996-03-24 00:22:50 +00:00
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/* Note that the user data is stored in data[]. Since it can be any type,
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it needs to have the same alignment as the most strict alignment of
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any type on the host machine. So do it the same way obstack does. */
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1996-02-16 22:14:47 +00:00
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struct hashlink {
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struct hashlink *next;
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1996-03-24 00:22:50 +00:00
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union {
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char data[1];
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double dummy;
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} d;
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1996-02-16 22:14:47 +00:00
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};
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1996-03-24 00:22:50 +00:00
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/* BCACHE_DATA is used to get the address of the cached data. */
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#define BCACHE_DATA(p) ((p)->d.data)
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/* BCACHE_DATA_ALIGNMENT is used to get the offset of the start of
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cached data within the hashlink struct. This value, plus the
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size of the cached data, is the amount of space to allocate for
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a hashlink struct to hold the next pointer and the data. */
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#define BCACHE_DATA_ALIGNMENT \
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1998-04-23 19:31:51 +00:00
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(((char *) BCACHE_DATA((struct hashlink*) 0) - (char *) 0))
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1996-03-24 00:22:50 +00:00
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1996-02-16 22:14:47 +00:00
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struct bcache {
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struct obstack cache;
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struct hashlink **indextable[BCACHE_MAXLENGTH];
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int cache_hits;
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int cache_misses;
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int cache_bytes;
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int cache_savings;
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int bcache_overflows;
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};
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extern void *
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bcache PARAMS ((void *bytes, int count, struct bcache *bcachep));
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* core-aout.c (fetch_core_registers): Cast core_reg_size to int
before testing against reg_ptr.
* eval.c (evaluate_subexp_standard): Cast type of
TYPE_FN_FIELD_VOFFSET to int.
* findvar.c (extract_signed_integer, extract_unsigned_integer,
extract_long_unsigned_integer): Cast type of sizeof to int.
* values.c (unpack_field_as_long, modify_field): Ditto.
* valops.c (value_assign, call_function_by_hand): Ditto.
* infcmd.c (do_registers_info): Ditto.
* ser-tcp.c (tcp_open): Ditto
* remote.c (putpkt): Ditto.
* dcache.c (dcache_peek): Ditto.
* dcache.c (dcache_poke): Ditto.
* m2-exp.y (yylex): Ditto.
* gnu-regex.c (re_match_2): Ditto.
* f-lang.c (ADD_BF_SYMNUM, saved_bf_list_end, tmp_bf_ptr): Ifdef
out unused macro definition and variables.
* inftarg.c (proc_wait): Move from main.c to here, and make static.
* valprint.c (val_print_string): Change bufsize from int to unsigned.
* main.c (wait.h): Include
* top.c (command_line_input): Remove unused variable "c".
* f-typeprint.c (f_type_print_varspec_prefix): Add missing enum
value TYPE_CODE_TYPEDEF to switch statement.
(f_type_print_varspec_suffix): Add missing enum value
TYPE_CODE_TYPEDEF to switch statement.
* ch-exp.c (parse_primval): Add remaining enumeration values to
switch statement, with no specific action.
(ch_lex): Add LOC_UNRESOLVED in switch statement.
(pushback_token): Ifdef out, since code using it is ifdef'd out.
* stabsread.c (cleanup_undefined_types): Remove unused label
"badtype".
* objfiles.h (print_symbol_bcache_statistics): Add prototype.
* maint.c (objfiles.h): Include.
(maintenance_print_statistics): Remove unused variable "temp".
* minsyms.c (lookup_minimal_symbol_solib_trampoline): Remove
unused variable "found_file_symbol".
* m2-exp.y (yylex): Add LOC_UNRESOLVED case to switch.
* language.c (lang_bool_type): Use existing function local type
variable rather than create block local variables.
* solib.c (disable_break): Enclose in ifndef SVR4_SHARED_LIBS.
* infptrace.c (wait.h, command.h): Include.
* ser-tcp.c (gdb_string.h): Include
* i386-tdep.c (codestream_seek): Change "place" to CORE_ADDR.
(i386_get_frame_setup): Change "pc" from int to CORE_ADDR.
* command.c (complete_on_enum): Make assignment used as truth value
explictly check against NULL.
(wait.h): Include.
* infrun.c (wait_for_inferior): Ifdef out prologue_pc since code
that uses it is ifdef'd out.
* parser-defs.h: Add prototype for write_dollar_variable.
* infrun.c: Add prototype for write_pc_pid.
* breakpoint.h: Add prototype for re_enable_breakpoints_in_shlibs.
* symmisc.c (bcache.h): Include.
* bcache.h: Add prototype for print_bcache_statistics.
* symfile.c: Include <time.h>.
* printcmd.c (print_scalar_formatted): Change len to unsigned int.
* valarith.c (value_equal): Cast result of TYPE_LENGTH to int.
* valarith.c (value_binop): Change result_len, promoted_len1,
and promoted_len2 to unsigned int.
* valarith.c (value_subscripted_rvalue): Change elt_offs and
elt_size to unsigned int.
* valops.c (value_array): Change typelength to unsigned int.
(destructor_name_p): Change len to unsigned int.
* scm-lang.h (scm_parse): Add prototype for scm_unpack.
* symfile.c (decrement_reading_symtab): Change return type to void.
* valarith.c (value_subscript): Remove unused variable "word".
(value_subscript): Remove unused variable "tint".
* valops.c (auto_abandon): Ifdef out, since code using it is also
ifdef'd out.
* eval.c (init_array_element): Remove unused variable "val".
* Makefile.in (values.o): Depends on scm-lang.h.
(command.o): Depends upon wait_h.
(ser-tcp.o): Depends upon gdb_string.h.
(infptrace.o): Depends upon wait_h and command_h.
(maint.o): Depends on objfiles.h and symfile.h.
* values.c (allocate_repeat_value): Remove unused variable
"element_type".
(scm-lang.h): Include.
* breakpoint.c (create_longjmp_breakpoint): Enclose in
GET_LONGJMP_TARGET define, unused otherwise.
* config/i386/nm-linux.h: Add prototypes for i386_insert_watchpoint,
i386_remove_watchpoint and i386_stopped_by_watchpoint.
1996-03-30 05:45:10 +00:00
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#if MAINTENANCE_CMDS
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extern void
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print_bcache_statistics PARAMS ((struct bcache *, char *));
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#endif /* MAINTENANCE_CMDS */
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1996-02-16 22:14:47 +00:00
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#endif /* BCACHE_H */
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