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Diffstat (limited to 'sim/common/sim-base.h')
| -rw-r--r-- | sim/common/sim-base.h | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/sim/common/sim-base.h b/sim/common/sim-base.h deleted file mode 100644 index 420b137b6b2..00000000000 --- a/sim/common/sim-base.h +++ /dev/null @@ -1,256 +0,0 @@ -/* Simulator pseudo baseclass. - Copyright (C) 1997-1998 Free Software Foundation, Inc. - Contributed by Cygnus Support. - -This file is part of GDB, the GNU debugger. - -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, 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. */ - - -/* Simulator state pseudo baseclass. - - Each simulator is required to have the file ``sim-main.h''. That - file includes ``sim-basics.h'', defines the base type ``sim_cia'' - (the data type that contains complete current instruction address - information), include ``sim-base.h'': - - #include "sim-basics.h" - typedef address_word sim_cia; - /-* If `sim_cia' is not an integral value (e.g. a struct), define - CIA_ADDR to return the integral value. *-/ - /-* #define CIA_ADDR(cia) (...) *-/ - #include "sim-base.h" - - finally, two data types `struct _sim_cpu' and `struct sim_state' - are defined: - - struct _sim_cpu { - ... simulator specific members ... - sim_cpu_base base; - }; - - struct sim_state { - sim_cpu cpu[MAX_NR_PROCESSORS]; - #if (WITH_SMP) - #define STATE_CPU(sd,n) (&(sd)->cpu[n]) - #else - #define STATE_CPU(sd,n) (&(sd)->cpu[0]) - #endif - ... simulator specific members ... - sim_state_base base; - }; - - Note that `base' appears last. This makes `base.magic' appear last - in the entire struct and helps catch miscompilation errors. */ - - -#ifndef SIM_BASE_H -#define SIM_BASE_H - -/* Pre-declare certain types. */ - -/* typedef <target-dependant> sim_cia; */ -#ifndef NULL_CIA -#define NULL_CIA ((sim_cia) 0) -#endif -/* Return the current instruction address as a number. - Some targets treat the current instruction address as a struct - (e.g. for delay slot handling). */ -#ifndef CIA_ADDR -#define CIA_ADDR(cia) (cia) -#endif -#ifndef INVALID_INSTRUCTION_ADDRESS -#define INVALID_INSTRUCTION_ADDRESS ((address_word)0 - 1) -#endif - -typedef struct _sim_cpu sim_cpu; - -#include "sim-module.h" - -#include "sim-trace.h" -#include "sim-core.h" -#include "sim-events.h" -#include "sim-profile.h" -#ifdef SIM_HAVE_MODEL -#include "sim-model.h" -#endif -#include "sim-io.h" -#include "sim-engine.h" -#include "sim-watch.h" -#include "sim-memopt.h" -#ifdef SIM_HAVE_BREAKPOINTS -#include "sim-break.h" -#endif -#include "sim-cpu.h" - -/* Global pointer to current state while sim_resume is running. - On a machine with lots of registers, it might be possible to reserve - one of them for current_state. However on a machine with few registers - current_state can't permanently live in one and indirecting through it - will be slower [in which case one can have sim_resume set globals from - current_state for faster access]. - If CURRENT_STATE_REG is defined, it means current_state is living in - a global register. */ - - -#ifdef CURRENT_STATE_REG -/* FIXME: wip */ -#else -extern struct sim_state *current_state; -#endif - - -/* The simulator may provide different (and faster) definition. */ -#ifndef CURRENT_STATE -#define CURRENT_STATE current_state -#endif - - -typedef struct { - - /* Simulator's argv[0]. */ - const char *my_name; -#define STATE_MY_NAME(sd) ((sd)->base.my_name) - - /* Who opened the simulator. */ - SIM_OPEN_KIND open_kind; -#define STATE_OPEN_KIND(sd) ((sd)->base.open_kind) - - /* The host callbacks. */ - struct host_callback_struct *callback; -#define STATE_CALLBACK(sd) ((sd)->base.callback) - - /* The type of simulation environment (user/operating). */ - enum sim_environment environment; -#define STATE_ENVIRONMENT(sd) ((sd)->base.environment) - -#if 0 /* FIXME: Not ready yet. */ - /* Stuff defined in sim-config.h. */ - struct sim_config config; -#define STATE_CONFIG(sd) ((sd)->base.config) -#endif - - /* List of installed module `init' handlers. */ - struct module_list *modules; -#define STATE_MODULES(sd) ((sd)->base.modules) - - /* Supported options. */ - struct option_list *options; -#define STATE_OPTIONS(sd) ((sd)->base.options) - - /* Non-zero if -v specified. */ - int verbose_p; -#define STATE_VERBOSE_P(sd) ((sd)->base.verbose_p) - - /* Non cpu-specific trace data. See sim-trace.h. */ - TRACE_DATA trace_data; -#define STATE_TRACE_DATA(sd) (& (sd)->base.trace_data) - - /* If non NULL, the BFD architecture specified on the command line */ - const struct bfd_arch_info *architecture; -#define STATE_ARCHITECTURE(sd) ((sd)->base.architecture) - - /* If non NULL, the bfd target specified on the command line */ - const char *target; -#define STATE_TARGET(sd) ((sd)->base.target) - - /* In standalone simulator, this is the program's arguments passed - on the command line. */ - char **prog_argv; -#define STATE_PROG_ARGV(sd) ((sd)->base.prog_argv) - - /* The program's bfd. */ - struct _bfd *prog_bfd; -#define STATE_PROG_BFD(sd) ((sd)->base.prog_bfd) - - /* Symbol table for prog_bfd */ - struct symbol_cache_entry **prog_syms; -#define STATE_PROG_SYMS(sd) ((sd)->base.prog_syms) - - /* The program's text section. */ - struct sec *text_section; - /* Starting and ending text section addresses from the bfd. */ - SIM_ADDR text_start, text_end; -#define STATE_TEXT_SECTION(sd) ((sd)->base.text_section) -#define STATE_TEXT_START(sd) ((sd)->base.text_start) -#define STATE_TEXT_END(sd) ((sd)->base.text_end) - - /* Start address, set when the program is loaded from the bfd. */ - SIM_ADDR start_addr; -#define STATE_START_ADDR(sd) ((sd)->base.start_addr) - - /* Size of the simulator's cache, if any. - This is not the target's cache. It is the cache the simulator uses - to process instructions. */ - unsigned int scache_size; -#define STATE_SCACHE_SIZE(sd) ((sd)->base.scache_size) - - /* FIXME: Move to top level sim_state struct (as some struct)? */ -#ifdef SIM_HAVE_FLATMEM - unsigned int mem_size; -#define STATE_MEM_SIZE(sd) ((sd)->base.mem_size) - unsigned int mem_base; -#define STATE_MEM_BASE(sd) ((sd)->base.mem_base) - unsigned char *memory; -#define STATE_MEMORY(sd) ((sd)->base.memory) -#endif - - /* core memory bus */ -#define STATE_CORE(sd) (&(sd)->base.core) - sim_core core; - - /* Record of memory sections added via the memory-options interface. */ -#define STATE_MEMOPT(sd) ((sd)->base.memopt) - sim_memopt *memopt; - - /* event handler */ -#define STATE_EVENTS(sd) (&(sd)->base.events) - sim_events events; - - /* generic halt/resume engine */ - sim_engine engine; -#define STATE_ENGINE(sd) (&(sd)->base.engine) - - /* generic watchpoint support */ - sim_watchpoints watchpoints; -#define STATE_WATCHPOINTS(sd) (&(sd)->base.watchpoints) - - /* Pointer to list of breakpoints */ - struct sim_breakpoint *breakpoints; -#define STATE_BREAKPOINTS(sd) ((sd)->base.breakpoints) - -#if WITH_HW - struct sim_hw *hw; -#define STATE_HW(sd) ((sd)->base.hw) -#endif - - /* Should image loads be performed using the LMA or VMA? Older - simulators use the VMA while newer simulators prefer the LMA. */ - int load_at_lma_p; -#define STATE_LOAD_AT_LMA_P(SD) ((SD)->base.load_at_lma_p) - - /* Marker for those wanting to do sanity checks. - This should remain the last member of this struct to help catch - miscompilation errors. */ - int magic; -#define SIM_MAGIC_NUMBER 0x4242 -#define STATE_MAGIC(sd) ((sd)->base.magic) -} sim_state_base; - -/* Functions for allocating/freeing a sim_state. */ -SIM_DESC sim_state_alloc PARAMS ((SIM_OPEN_KIND kind, host_callback *callback)); -void sim_state_free PARAMS ((SIM_DESC)); - -#endif /* SIM_BASE_H */ |