#include <sys/param.h>
#include <unistd.h>
#include "bfd.h"
-#include "gdb/callback.h"
#include "libiberty.h"
#include "gdb/remote-sim.h"
#include "sim-main.h"
#include "sim-base.h"
+#include "sim-options.h"
typedef int word;
typedef unsigned int uword;
-host_callback * callback;
-
-FILE *tracefile;
-
/* Extract the signed 10-bit offset from a 16-bit branch
instruction. */
#define INST2OFFSET(o) ((((signed short)((o & ((1<<10)-1))<<6))>>6)<<1)
/* The ordering of the moxie_regset structure is matched in the
gdb/config/moxie/tm-moxie.h file in the REGISTER_NAMES macro. */
+/* TODO: This should be moved to sim-main.h:_sim_cpu. */
struct moxie_regset
{
word regs[NUM_MOXIE_REGS + 1]; /* primary registers */
#define CC_GTU 1<<3
#define CC_LTU 1<<4
+/* TODO: This should be moved to sim-main.h:_sim_cpu. */
union
{
struct moxie_regset asregs;
word asints [1]; /* but accessed larger... */
} cpu;
-static char *myname;
-static SIM_OPEN_KIND sim_kind;
-static int issue_messages = 0;
-
-void
-sim_size (int s)
-{
-}
-
static void
-set_initial_gprs ()
+set_initial_gprs (void)
{
int i;
long space;
return hflags;
}
+/* TODO: Move to sim-trace.h. */
+static FILE *tracefile;
+static const int tracing = 0;
#define TRACE(str) if (tracing) fprintf(tracefile,"0x%08x, %s, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n", opc, str, cpu.asregs.regs[0], cpu.asregs.regs[1], cpu.asregs.regs[2], cpu.asregs.regs[3], cpu.asregs.regs[4], cpu.asregs.regs[5], cpu.asregs.regs[6], cpu.asregs.regs[7], cpu.asregs.regs[8], cpu.asregs.regs[9], cpu.asregs.regs[10], cpu.asregs.regs[11], cpu.asregs.regs[12], cpu.asregs.regs[13], cpu.asregs.regs[14], cpu.asregs.regs[15]);
-static int tracing = 0;
-
void
sim_resume (sd, step, siggnal)
SIM_DESC sd;
cpu.asregs.insts += insts; /* instructions done ... */
}
-int
-sim_write (sd, addr, buffer, size)
- SIM_DESC sd;
- SIM_ADDR addr;
- const unsigned char * buffer;
- int size;
-{
- sim_cpu *scpu = STATE_CPU (sd, 0); /* FIXME */
-
- sim_core_write_buffer (sd, scpu, write_map, buffer, addr, size);
-
- return size;
-}
-
-int
-sim_read (sd, addr, buffer, size)
- SIM_DESC sd;
- SIM_ADDR addr;
- unsigned char * buffer;
- int size;
-{
- sim_cpu *scpu = STATE_CPU (sd, 0); /* FIXME */
-
- sim_core_read_buffer (sd, scpu, read_map, buffer, addr, size);
-
- return size;
-}
-
-
int
sim_store_register (sd, rn, memory, length)
SIM_DESC sd;
return 0;
}
-
-int
-sim_trace (sd)
- SIM_DESC sd;
-{
- if (tracefile == 0)
- tracefile = fopen("trace.csv", "wb");
-
- tracing = 1;
-
- sim_resume (sd, 0, 0);
-
- tracing = 0;
-
- return 1;
-}
-
-void
-sim_stop_reason (sd, reason, sigrc)
- SIM_DESC sd;
- enum sim_stop * reason;
- int * sigrc;
-{
- if (cpu.asregs.exception == SIGQUIT)
- {
- * reason = sim_exited;
- * sigrc = cpu.asregs.regs[2];
- }
- else
- {
- * reason = sim_stopped;
- * sigrc = cpu.asregs.exception;
- }
-}
-
-
-int
-sim_stop (sd)
- SIM_DESC sd;
-{
- cpu.asregs.exception = SIGINT;
- return 1;
-}
-
-
-void
-sim_info (sd, verbose)
- SIM_DESC sd;
- int verbose;
+static void
+free_state (SIM_DESC sd)
{
- callback->printf_filtered (callback, "\n\n# instructions executed %llu\n",
- cpu.asregs.insts);
+ if (STATE_MODULES (sd) != NULL)
+ sim_module_uninstall (sd);
+ sim_cpu_free_all (sd);
+ sim_state_free (sd);
}
-
SIM_DESC
sim_open (kind, cb, abfd, argv)
SIM_OPEN_KIND kind;
SIM_DESC sd = sim_state_alloc (kind, cb);
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
+ /* 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;
+ }
+
+ STATE_WATCHPOINTS (sd)->pc = &cpu.asregs.regs[PC_REGNO];
+ STATE_WATCHPOINTS (sd)->sizeof_pc = sizeof (word);
+
if (sim_pre_argv_init (sd, argv[0]) != SIM_RC_OK)
- return 0;
+ {
+ 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;
+ }
sim_do_command(sd," memory region 0x00000000,0x4000000") ;
sim_do_command(sd," memory region 0xE0000000,0x10000") ;
- myname = argv[0];
- callback = cb;
-
- if (kind == SIM_OPEN_STANDALONE)
- issue_messages = 1;
-
- set_initial_gprs (); /* Reset the GPR registers. */
-
+ /* 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)
return 0;
}
+ /* CPU specific initialization. */
+ set_initial_gprs ();
+
return sd;
}
fclose (f);
}
-SIM_RC
-sim_load (sd, prog, abfd, from_tty)
- SIM_DESC sd;
- const char * prog;
- bfd * abfd;
- int from_tty;
-{
-
- /* Do the right thing for ELF executables; this turns out to be
- just about the right thing for any object format that:
- - we crack using BFD routines
- - follows the traditional UNIX text/data/bss layout
- - calls the bss section ".bss". */
-
- extern bfd * sim_load_file (); /* ??? Don't know where this should live. */
- bfd * prog_bfd;
-
- {
- bfd * handle;
- handle = bfd_openr (prog, 0); /* could be "moxie" */
-
- if (!handle)
- {
- printf("``%s'' could not be opened.\n", prog);
- return SIM_RC_FAIL;
- }
-
- /* Makes sure that we have an object file, also cleans gets the
- section headers in place. */
- if (!bfd_check_format (handle, bfd_object))
- {
- /* wasn't an object file */
- bfd_close (handle);
- printf ("``%s'' is not appropriate object file.\n", prog);
- return SIM_RC_FAIL;
- }
-
- /* Clean up after ourselves. */
- bfd_close (handle);
- }
-
- /* from sh -- dac */
- prog_bfd = sim_load_file (sd, myname, callback, prog, abfd,
- sim_kind == SIM_OPEN_DEBUG,
- 0, sim_write);
- if (prog_bfd == NULL)
- return SIM_RC_FAIL;
-
- if (abfd == NULL)
- bfd_close (prog_bfd);
-
- return SIM_RC_OK;
-}
-
SIM_RC
sim_create_inferior (sd, prog_bfd, argv, env)
SIM_DESC sd;
int l, argc, i, tp;
sim_cpu *scpu = STATE_CPU (sd, 0); /* FIXME */
- /* Set the initial register set. */
- l = issue_messages;
- issue_messages = 0;
- set_initial_gprs ();
- issue_messages = l;
-
if (prog_bfd != NULL)
cpu.asregs.regs[PC_REGNO] = bfd_get_start_address (prog_bfd);
return SIM_RC_OK;
}
-
-void
-sim_set_callbacks (ptr)
- host_callback * ptr;
-{
- callback = ptr;
-}
projects / thirdparty / binutils-gdb.git / blobdiff