#include "config.h"
+#include <inttypes.h>
#include <signal.h>
#include "bfd.h"
#include "gdb/callback.h"
#include "gdb/remote-sim.h"
-#include "d10v_sim.h"
+#include "sim-main.h"
+#include "sim-options.h"
+
#include "gdb/sim-d10v.h"
#include "gdb/signals.h"
enum _leftright { LEFT_FIRST, RIGHT_FIRST };
-static char *myname;
-static SIM_OPEN_KIND sim_kind;
int d10v_debug;
/* Set this to true to get the previous segment layout. */
uint16 OP[4];
-static int init_text_p = 0;
-/* non-zero if we opened prog_bfd */
-static int prog_bfd_was_opened_p;
-bfd *prog_bfd;
-asection *text;
-bfd_vma text_start;
-bfd_vma text_end;
-
static long hash (long insn, int format);
static struct hash_entry *lookup_hash (uint32 ins, int size);
static void get_operands (struct simops *s, uint32 ins);
static void do_2_short (uint16 ins1, uint16 ins2, enum _leftright leftright);
static void do_parallel (uint16 ins1, uint16 ins2);
static char *add_commas (char *buf, int sizeof_buf, unsigned long value);
-extern void sim_set_profile (int n);
-extern void sim_set_profile_size (int n);
static INLINE uint8 *map_memory (unsigned phys_addr);
-#ifdef NEED_UI_LOOP_HOOK
-/* How often to run the ui_loop update, when in use */
-#define UI_LOOP_POLL_INTERVAL 0x14000
-
-/* Counter for the ui_loop_hook update */
-static long ui_loop_hook_counter = UI_LOOP_POLL_INTERVAL;
-
-/* Actual hook to call to run through gdb's gui event loop */
-extern int (*deprecated_ui_loop_hook) (int signo);
-#endif /* NEED_UI_LOOP_HOOK */
-
-#ifndef INLINE
-#if defined(__GNUC__) && defined(__OPTIMIZE__)
-#define INLINE __inline__
-#else
-#define INLINE
-#endif
-#endif
-
#define MAX_HASH 63
struct hash_entry
{
struct hash_entry hash_table[MAX_HASH+1];
INLINE static long
-hash(insn, format)
- long insn;
- int format;
+hash (long insn, int format)
{
if (format & LONG_OPCODE)
return ((insn & 0x3F000000) >> 24);
}
INLINE static struct hash_entry *
-lookup_hash (ins, size)
- uint32 ins;
- int size;
+lookup_hash (uint32 ins, int size)
{
struct hash_entry *h;
{
if (h->next == NULL)
{
- State.exception = SIGILL;
+ State.exception = GDB_SIGNAL_ILL;
State.pc_changed = 1; /* Don't increment the PC. */
return NULL;
}
State.trace.psw = PSW;
}
-bfd_vma
-decode_pc ()
-{
- asection *s;
- if (!init_text_p && prog_bfd != NULL)
- {
- init_text_p = 1;
- for (s = prog_bfd->sections; s; s = s->next)
- if (strcmp (bfd_get_section_name (prog_bfd, s), ".text") == 0)
- {
- text = s;
- text_start = bfd_get_section_vma (prog_bfd, s);
- text_end = text_start + bfd_section_size (prog_bfd, s);
- break;
- }
- }
-
- return (PC << 2) + text_start;
-}
-
static void
-do_long (ins)
- uint32 ins;
+do_long (uint32 ins)
{
struct hash_entry *h;
#ifdef DEBUG
}
static void
-do_2_short (ins1, ins2, leftright)
- uint16 ins1, ins2;
- enum _leftright leftright;
+do_2_short (uint16 ins1, uint16 ins2, enum _leftright leftright)
{
struct hash_entry *h;
enum _ins_type first, second;
}
static void
-do_parallel (ins1, ins2)
- uint16 ins1, ins2;
+do_parallel (uint16 ins1, uint16 ins2)
{
struct hash_entry *h1, *h2;
#ifdef DEBUG
}
static char *
-add_commas(buf, sizeof_buf, value)
- char *buf;
- int sizeof_buf;
- unsigned long value;
+add_commas (char *buf, int sizeof_buf, unsigned long value)
{
int comma = 3;
char *endbuf = buf + sizeof_buf - 1;
}
void
-sim_size (power)
- int power;
-
+sim_size (int power)
{
int i;
for (i = 0; i < IMEM_SEGMENTS; i++)
int
-sim_write (sd, addr, buffer, size)
- SIM_DESC sd;
- SIM_ADDR addr;
- const unsigned char *buffer;
- int size;
+sim_write (SIM_DESC sd, SIM_ADDR addr, const unsigned char *buffer, int size)
{
/* FIXME: this should be performing a virtual transfer */
return xfer_mem( addr, buffer, size, 1);
}
int
-sim_read (sd, addr, buffer, size)
- SIM_DESC sd;
- SIM_ADDR addr;
- unsigned char *buffer;
- int size;
+sim_read (SIM_DESC sd, SIM_ADDR addr, unsigned char *buffer, int size)
{
/* FIXME: this should be performing a virtual transfer */
return xfer_mem( addr, buffer, size, 0);
}
+static sim_cia
+d10v_pc_get (sim_cpu *cpu)
+{
+ return PC;
+}
+
+static void
+d10v_pc_set (sim_cpu *cpu, sim_cia pc)
+{
+ SET_PC (pc);
+}
+
+static void
+free_state (SIM_DESC sd)
+{
+ if (STATE_MODULES (sd) != NULL)
+ sim_module_uninstall (sd);
+ sim_cpu_free_all (sd);
+ sim_state_free (sd);
+}
+
+SIM_DESC trace_sd = NULL;
SIM_DESC
-sim_open (kind, callback, abfd, argv)
- SIM_OPEN_KIND kind;
- host_callback *callback;
- struct bfd *abfd;
- char **argv;
+sim_open (SIM_OPEN_KIND kind, host_callback *cb, struct bfd *abfd, char **argv)
{
struct simops *s;
struct hash_entry *h;
static int init_p = 0;
char **p;
+ int i;
+ SIM_DESC sd = sim_state_alloc (kind, cb);
+ SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
- sim_kind = kind;
- d10v_callback = callback;
- myname = argv[0];
+ /* The cpu data is kept in a separately allocated chunk of memory. */
+ if (sim_cpu_alloc_all (sd, 1, /*cgen_cpu_max_extra_bytes ()*/0) != SIM_RC_OK)
+ {
+ free_state (sd);
+ return 0;
+ }
+
+ if (sim_pre_argv_init (sd, argv[0]) != SIM_RC_OK)
+ {
+ free_state (sd);
+ return 0;
+ }
+
+ /* getopt will print the error message so we just have to exit if this fails.
+ FIXME: Hmmm... in the case of gdb we need getopt to call
+ print_filtered. */
+ if (sim_parse_args (sd, argv) != SIM_RC_OK)
+ {
+ free_state (sd);
+ return 0;
+ }
+
+ /* Check for/establish the a reference program image. */
+ if (sim_analyze_program (sd,
+ (STATE_PROG_ARGV (sd) != NULL
+ ? *STATE_PROG_ARGV (sd)
+ : NULL), abfd) != SIM_RC_OK)
+ {
+ free_state (sd);
+ return 0;
+ }
+
+ /* Configure/verify the target byte order and other runtime
+ configuration options. */
+ if (sim_config (sd) != SIM_RC_OK)
+ {
+ sim_module_uninstall (sd);
+ return 0;
+ }
+
+ if (sim_post_argv_init (sd) != SIM_RC_OK)
+ {
+ /* Uninstall the modules to avoid memory leaks,
+ file descriptor leaks, etc. */
+ sim_module_uninstall (sd);
+ return 0;
+ }
+
+ /* CPU specific initialization. */
+ for (i = 0; i < MAX_NR_PROCESSORS; ++i)
+ {
+ SIM_CPU *cpu = STATE_CPU (sd, i);
+
+ CPU_PC_FETCH (cpu) = d10v_pc_get;
+ CPU_PC_STORE (cpu) = d10v_pc_set;
+ }
+
+ trace_sd = sd;
+ d10v_callback = cb;
old_segment_mapping = 0;
/* NOTE: This argument parsing is only effective when this function
else if (strncmp (*p, "-t", 2) == 0)
d10v_debug = atoi (*p + 2);
#endif
- else
- (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: unsupported option(s): %s\n",*p);
}
/* put all the opcodes in the hash table */
sim_size (1);
sim_create_inferior ((SIM_DESC) 1, NULL, NULL, NULL);
- /* Fudge our descriptor. */
- return (SIM_DESC) 1;
+ return sd;
}
void
-sim_close (sd, quitting)
- SIM_DESC sd;
- int quitting;
+sim_close (SIM_DESC sd, int quitting)
{
- if (prog_bfd != NULL && prog_bfd_was_opened_p)
- {
- bfd_close (prog_bfd);
- prog_bfd = NULL;
- prog_bfd_was_opened_p = 0;
- }
-}
-
-void
-sim_set_profile (n)
- int n;
-{
- (*d10v_callback->printf_filtered) (d10v_callback, "sim_set_profile %d\n",n);
-}
-
-void
-sim_set_profile_size (n)
- int n;
-{
- (*d10v_callback->printf_filtered) (d10v_callback, "sim_set_profile_size %d\n",n);
+ /* Nothing to do. */
}
uint8 *
static int stop_simulator = 0;
int
-sim_stop (sd)
- SIM_DESC sd;
+sim_stop (SIM_DESC sd)
{
stop_simulator = 1;
return 1;
/* Run (or resume) the program. */
void
-sim_resume (sd, step, siggnal)
- SIM_DESC sd;
- int step, siggnal;
+sim_resume (SIM_DESC sd, int step, int siggnal)
{
uint32 inst;
uint8 *iaddr;
{
case 0:
break;
-#ifdef SIGBUS
- case SIGBUS:
-#endif
- case SIGSEGV:
+ case GDB_SIGNAL_BUS:
SET_BPC (PC);
SET_BPSW (PSW);
SET_HW_PSW ((PSW & (PSW_F0_BIT | PSW_F1_BIT | PSW_C_BIT)));
JMP (AE_VECTOR_START);
SLOT_FLUSH ();
break;
- case SIGILL:
+ case GDB_SIGNAL_ILL:
SET_BPC (PC);
SET_BPSW (PSW);
SET_HW_PSW ((PSW & (PSW_F0_BIT | PSW_F1_BIT | PSW_C_BIT)));
iaddr = imem_addr ((uint32)PC << 2);
if (iaddr == State.mem.fault)
{
- State.exception = SIGBUS;
+ State.exception = GDB_SIGNAL_BUS;
break;
}
/* Writeback all the DATA / PC changes */
SLOT_FLUSH ();
-
-#ifdef NEED_UI_LOOP_HOOK
- if (deprecated_ui_loop_hook != NULL && ui_loop_hook_counter-- < 0)
- {
- ui_loop_hook_counter = UI_LOOP_POLL_INTERVAL;
- deprecated_ui_loop_hook (0);
- }
-#endif /* NEED_UI_LOOP_HOOK */
}
while ( !State.exception && !stop_simulator);
if (step && !State.exception)
- State.exception = SIGTRAP;
-}
-
-void
-sim_set_trace (void)
-{
-#ifdef DEBUG
- d10v_debug = DEBUG;
-#endif
+ State.exception = GDB_SIGNAL_TRAP;
}
void
-sim_info (sd, verbose)
- SIM_DESC sd;
- int verbose;
+sim_info (SIM_DESC sd, int verbose)
{
char buf1[40];
char buf2[40];
}
SIM_RC
-sim_create_inferior (sd, abfd, argv, env)
- SIM_DESC sd;
- struct bfd *abfd;
- char **argv;
- char **env;
+sim_create_inferior (SIM_DESC sd, struct bfd *abfd, char **argv, char **env)
{
bfd_vma start_address;
/* reset all state information */
- memset (&State.regs, 0, (int)&State.mem - (int)&State.regs);
+ memset (&State.regs, 0, (uintptr_t)&State.mem - (uintptr_t)&State.regs);
/* There was a hack here to copy the values of argc and argv into r0
and r1. The values were also saved into some high memory that
return SIM_RC_OK;
}
-
void
-sim_set_callbacks (p)
- host_callback *p;
-{
- d10v_callback = p;
-}
-
-int
-sim_trace (SIM_DESC sd)
-{
- sim_resume (sd, 0, 0);
-
- return 1;
-}
-
-void
-sim_stop_reason (sd, reason, sigrc)
- SIM_DESC sd;
- enum sim_stop *reason;
- int *sigrc;
+sim_stop_reason (SIM_DESC sd, enum sim_stop *reason, int *sigrc)
{
/* (*d10v_callback->printf_filtered) (d10v_callback, "sim_stop_reason: PC=0x%x\n",PC<<2); */
}
int
-sim_fetch_register (sd, rn, memory, length)
- SIM_DESC sd;
- int rn;
- unsigned char *memory;
- int length;
+sim_fetch_register (SIM_DESC sd, int rn, unsigned char *memory, int length)
{
int size;
switch ((enum sim_d10v_regs) rn)
}
int
-sim_store_register (sd, rn, memory, length)
- SIM_DESC sd;
- int rn;
- unsigned char *memory;
- int length;
+sim_store_register (SIM_DESC sd, int rn, unsigned char *memory, int length)
{
int size;
switch ((enum sim_d10v_regs) rn)
SLOT_FLUSH ();
return size;
}
-
-
-void
-sim_do_command (sd, cmd)
- SIM_DESC sd;
- const char *cmd;
-{
- (*d10v_callback->printf_filtered) (d10v_callback, "sim_do_command: %s\n",cmd);
-}
-
-SIM_RC
-sim_load (sd, prog, abfd, from_tty)
- SIM_DESC sd;
- const char *prog;
- bfd *abfd;
- int from_tty;
-{
- extern bfd *sim_load_file (); /* ??? Don't know where this should live. */
-
- if (prog_bfd != NULL && prog_bfd_was_opened_p)
- {
- bfd_close (prog_bfd);
- prog_bfd_was_opened_p = 0;
- }
- prog_bfd = sim_load_file (sd, myname, d10v_callback, prog, abfd,
- sim_kind == SIM_OPEN_DEBUG,
- 1/*LMA*/, sim_write);
- if (prog_bfd == NULL)
- return SIM_RC_FAIL;
- prog_bfd_was_opened_p = abfd == NULL;
- return SIM_RC_OK;
-}
projects / deliverable / binutils-gdb.git / blobdiff