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-rw-r--r--gdb/remote-eb.c122
-rw-r--r--gdb/remote-nindy.c6
-rw-r--r--gdb/remote-vx.c10
3 files changed, 93 insertions, 45 deletions
diff --git a/gdb/remote-eb.c b/gdb/remote-eb.c
index 1ab87eb..9609b65 100644
--- a/gdb/remote-eb.c
+++ b/gdb/remote-eb.c
@@ -1,5 +1,5 @@
/* Remote debugging interface for AMD 29000 EBMON on IBM PC, for GDB.
- Copyright 1990-1991 Free Software Foundation, Inc.
+ Copyright 1990, 1991 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by Jim Kingdon for Cygnus.
This file is part of GDB.
@@ -27,9 +27,11 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <stdio.h>
#include <string.h>
+
#define TM_FILE_OVERRIDE
#include "defs.h"
#include "tm-29k.h"
+
#include "inferior.h"
#include "wait.h"
#include "value.h"
@@ -39,6 +41,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <errno.h>
#include "terminal.h"
#include "target.h"
+#include "gdbcore.h"
extern struct value *call_function_by_hand();
@@ -51,7 +54,7 @@ static void eb_close();
FILE *log_file;
#endif
-static int timeout = 5;
+static int timeout = 24;
/* Descriptor for I/O to remote machine. Initialize it to -1 so that
eb_open knows that we don't have a file open when the program
@@ -237,24 +240,60 @@ static int need_artificial_trap = 0;
/* This is called not only when we first attach, but also when the
user types "run" after having attached. */
-void
-eb_start (inferior_args)
-char *inferior_args;
+static void
+eb_create_inferior (execfile, args, env)
+ char *execfile;
+ char *args;
+ char **env;
{
- /* OK, now read in the file. Y=read, C=COFF, D=no symbols
- 0=start address, %s=filename. */
+ int entry_pt;
- fprintf (eb_stream, "YC D,0:%s", prog_name);
+ if (args && *args)
+ error ("Can't pass arguments to remote EBMON process");
- if (inferior_args != NULL)
- fprintf(eb_stream, " %s", inferior_args);
+ if (execfile == 0 || exec_bfd == 0)
+ error ("No exec file specified");
- fprintf (eb_stream, "\n");
- fflush (eb_stream);
+ entry_pt = (int) bfd_get_start_address (exec_bfd);
- expect_prompt ();
+#ifdef CREATE_INFERIOR_HOOK
+ CREATE_INFERIOR_HOOK (0); /* No process-ID */
+#endif
+
+ {
+ /* OK, now read in the file. Y=read, C=COFF, D=no symbols
+ 0=start address, %s=filename. */
+
+ fprintf (eb_stream, "YC D,0:%s", prog_name);
+
+ if (args != NULL)
+ fprintf(eb_stream, " %s", args);
+
+ fprintf (eb_stream, "\n");
+ fflush (eb_stream);
+
+ expect_prompt ();
+
+ need_gi = 1;
+ }
+
+/* The "process" (board) is already stopped awaiting our commands, and
+ the program is already downloaded. We just set its PC and go. */
+
+ clear_proceed_status ();
+
+ /* Tell wait_for_inferior that we've started a new process. */
+ init_wait_for_inferior ();
+
+ /* Set up the "saved terminal modes" of the inferior
+ based on what modes we are starting it with. */
+ target_terminal_init ();
- need_gi = 1;
+ /* Install inferior's terminal modes. */
+ target_terminal_inferior ();
+
+ /* insert_step_breakpoint (); FIXME, do we need this? */
+ proceed ((CORE_ADDR)entry_pt, -1, 0); /* Let 'er rip... */
}
/* Translate baud rates from integers to damn B_codes. Unix should
@@ -420,10 +459,12 @@ eb_close (quitting)
eb_desc = -1;
#if defined (LOG_FILE)
- if (ferror (log_file))
- printf ("Error writing log file.\n");
- if (fclose (log_file) != 0)
- printf ("Error closing log file.\n");
+ if (log_file) {
+ if (ferror (log_file))
+ printf ("Error writing log file.\n");
+ if (fclose (log_file) != 0)
+ printf ("Error closing log file.\n");
+ }
#endif
}
@@ -788,7 +829,8 @@ eb_prepare_to_store ()
/* Do nothing, since we can store individual regs */
}
-/* FIXME! Merge these two. */
+
+/* FIXME-someday! Merge these two. */
int
eb_xfer_inferior_memory (memaddr, myaddr, len, write, target)
CORE_ADDR memaddr;
@@ -800,7 +842,7 @@ eb_xfer_inferior_memory (memaddr, myaddr, len, write, target)
if (write)
return eb_write_inferior_memory (memaddr, myaddr, len);
else
- return eb_write_inferior_memory (memaddr, myaddr, len);
+ return eb_read_inferior_memory (memaddr, myaddr, len);
}
void
@@ -811,7 +853,7 @@ eb_files_info ()
}
/* Copy LEN bytes of data from debugger memory at MYADDR
- to inferior's memory at MEMADDR. Returns errno value. */
+ to inferior's memory at MEMADDR. Returns length moved. */
int
eb_write_inferior_memory (memaddr, myaddr, len)
CORE_ADDR memaddr;
@@ -832,11 +874,11 @@ eb_write_inferior_memory (memaddr, myaddr, len)
else
fprintf (eb_stream, "%x,", ((unsigned char *)myaddr)[i]);
}
- return 0;
+ return len;
}
/* Read LEN bytes from inferior memory at MEMADDR. Put the result
- at debugger address MYADDR. Returns errno value. */
+ at debugger address MYADDR. Returns length moved. */
int
eb_read_inferior_memory(memaddr, myaddr, len)
CORE_ADDR memaddr;
@@ -863,8 +905,10 @@ eb_read_inferior_memory(memaddr, myaddr, len)
eb_read_bytes (CORE_ADDR_MAX - 3, foo, 4)
doesn't need to work. Detect it and give up if there's an attempt
to do that. */
- if (((memaddr - 1) + len) < memaddr)
- return EIO;
+ if (((memaddr - 1) + len) < memaddr) {
+ errno = EIO;
+ return 0;
+ }
startaddr = memaddr;
count = 0;
@@ -904,9 +948,29 @@ eb_read_inferior_memory(memaddr, myaddr, len)
startaddr += len_this_pass;
}
- return 0;
+ return len;
}
+static void
+eb_kill (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ return; /* Ignore attempts to kill target system */
+}
+
+/* Clean up when a program exits.
+
+ The program actually lives on in the remote processor's RAM, and may be
+ run again without a download. Don't leave it full of breakpoint
+ instructions. */
+
+void
+eb_mourn_inferior ()
+{
+ remove_breakpoints ();
+ generic_mourn_inferior (); /* Do all the proper things now */
+}
/* Define the target subroutine names */
struct target_ops eb_ops = {
@@ -923,12 +987,12 @@ executable as it exists on the remote computer. For example,\n\
eb_xfer_inferior_memory, eb_files_info,
0, 0, /* Breakpoints */
0, 0, 0, 0, 0, /* Terminal handling */
- 0, /* FIXME, kill */
+ eb_kill,
0, /* load */
call_function_by_hand,
0, /* lookup_symbol */
- 0, /* create_inferior FIXME, eb_start here or something? */
- 0, /* mourn_inferior FIXME */
+ eb_create_inferior,
+ eb_mourn_inferior,
process_stratum, 0, /* next */
1, 1, 1, 1, 1, /* all mem, mem, stack, regs, exec */
0, 0, /* Section pointers */
diff --git a/gdb/remote-nindy.c b/gdb/remote-nindy.c
index f4b3436..9751d14 100644
--- a/gdb/remote-nindy.c
+++ b/gdb/remote-nindy.c
@@ -828,10 +828,6 @@ nindy_create_inferior (execfile, args, env)
clear_proceed_status ();
-#if defined (START_INFERIOR_HOOK)
- START_INFERIOR_HOOK ();
-#endif
-
/* Tell wait_for_inferior that we've started a new process. */
init_wait_for_inferior ();
@@ -842,8 +838,6 @@ nindy_create_inferior (execfile, args, env)
/* Install inferior's terminal modes. */
target_terminal_inferior ();
- /* remote_start(args); */
- /* trap_expected = 0; */
/* insert_step_breakpoint (); FIXME, do we need this? */
proceed ((CORE_ADDR)entry_pt, -1, 0); /* Let 'er rip... */
}
diff --git a/gdb/remote-vx.c b/gdb/remote-vx.c
index d61dd92..e637987 100644
--- a/gdb/remote-vx.c
+++ b/gdb/remote-vx.c
@@ -222,10 +222,6 @@ vx_create_inferior (exec_file, args, env)
push_target (&vx_run_ops);
inferior_pid = taskStart.pid;
-#if defined (START_INFERIOR_HOOK)
- START_INFERIOR_HOOK ();
-#endif
-
/* We will get a trace trap after one instruction.
Insert breakpoints and continue. */
@@ -238,8 +234,6 @@ vx_create_inferior (exec_file, args, env)
/* Install inferior's terminal modes. */
target_terminal_inferior ();
- /* remote_start(args); */
- /* trap_expected = 0; */
stop_soon_quietly = 1;
wait_for_inferior (); /* Get the task spawn event */
stop_soon_quietly = 0;
@@ -1197,10 +1191,6 @@ vx_attach (args, from_tty)
inferior_pid = pid;
vx_running = 0;
-#if defined (START_INFERIOR_HOOK)
- START_INFERIOR_HOOK ();
-#endif
-
mark_breakpoints_out ();
/* Set up the "saved terminal modes" of the inferior
generated by cgit v1.1 at 2024-12-15 20:20:31 +0000