#include "target.h"
#include "29k-share/udi/udiproc.h"
#include "gdbcmd.h"
+#include "bfd.h"
/* access the register store directly, without going through
the normal handler functions. This avoids an extra data copy. */
static int kiodebug;
extern int stop_soon_quietly; /* for wait_for_inferior */
extern struct value *call_function_by_hand();
-static void udi_resume();
-static void udi_fetch_registers ();
-static void udi_load();
-static void fetch_register ();
-static void udi_store_registers ();
-static int store_register ();
-static int regnum_to_srnum();
-static void udi_close ();
-static CPUSpace udi_memory_space();
-static int udi_write_inferior_memory();
-static int udi_read_inferior_memory();
+static void udi_resume PARAMS ((int step, int sig));
+static void udi_fetch_registers PARAMS ((int regno));
+static void udi_load PARAMS ((char *args, int from_tty));
+static void fetch_register PARAMS ((int regno));
+static void udi_store_registers PARAMS ((int regno));
+static int store_register PARAMS ((int regno));
+static int regnum_to_srnum PARAMS ((int regno));
+static void udi_close PARAMS ((int quitting));
+static CPUSpace udi_memory_space PARAMS ((CORE_ADDR addr));
+static int udi_write_inferior_memory PARAMS ((CORE_ADDR memaddr, char *myaddr,
+ int len));
+static int udi_read_inferior_memory PARAMS ((CORE_ADDR memaddr, char *myaddr,
+ int len));
+static void download PARAMS ((char *load_arg_string, int from_tty));
char CoffFileName[100] = "";
/*
* Processor types.
/* Descriptor for I/O to remote machine. Initialize it to -1 so that
udi_open knows that we don't have a file open when the program
starts. */
- UDISessionId udi_session_id = -1;
- CPUOffset IMemStart = 0;
- CPUSizeT IMemSize = 0;
- CPUOffset DMemStart = 0;
- CPUSizeT DMemSize = 0;
- CPUOffset RMemStart = 0;
- CPUSizeT RMemSize = 0;
- UDIUInt32 CPUPRL;
- UDIUInt32 CoProcPRL;
+UDISessionId udi_session_id = -1;
+
+CPUOffset IMemStart = 0;
+CPUSizeT IMemSize = 0;
+CPUOffset DMemStart = 0;
+CPUSizeT DMemSize = 0;
+CPUOffset RMemStart = 0;
+CPUSizeT RMemSize = 0;
+UDIUInt32 CPUPRL;
+UDIUInt32 CoProcPRL;
+
+UDIMemoryRange address_ranges[2]; /* Text and data */
+UDIResource entry = {0, 0}; /* Entry point */
+CPUSizeT stack_sizes[2]; /* Regular and memory stacks */
#define SBUF_MAX 1024 /* maximum size of string handling buffer */
char sbuf[SBUF_MAX];
static bkpt_entry_t bkpt_table[BKPT_TABLE_SIZE];
extern char dfe_errmsg[]; /* error string */
-/*********************************************************** SIGNAL SUPPORT */
/* Called when SIGALRM signal sent due to alarm() timeout. */
#ifndef HAVE_TERMIO
-#ifndef __STDC__
-# ifndef volatile
-# define volatile /**/
-# endif
-#endif
volatile int n_alarms;
static void
/* malloc'd name of the program on the remote system. */
static char *prog_name = NULL;
-
/* Number of SIGTRAPs we need to simulate. That is, the next
NEED_ARTIFICIAL_TRAP calls to udi_wait should just return
SIGTRAP without actually waiting for anything. */
-/******************************************************* UDI_CREATE_INFERIOR */
/* This is called not only when we first attach, but also when the
user types "run" after having attached. */
+
static void
udi_create_inferior (execfile, args, env)
char *execfile;
char *args;
char **env;
{
+ char *args1;
if (execfile)
- { if (prog_name != NULL)
- free (prog_name);
- prog_name = savestring (execfile, strlen (execfile));
- }
-
- if (prog_name == 0 /* || exec_bfd == 0 */ )
- error ("No exec file specified");
+ {
+ if (prog_name != NULL)
+ free (prog_name);
+ prog_name = savestring (execfile, strlen (execfile));
+ }
+ else if (entry.Offset)
+ execfile = "";
+ else
+ error ("No image loaded into target.");
- if (udi_session_id < 0){
- printf("UDI connection not open yet.\n");
- return;
- }
+ if (udi_session_id < 0)
+ {
+ printf("UDI connection not open yet.\n");
+ return;
+ }
inferior_pid = 40000;
-#if defined(ULTRA3) && defined(KERNEL_DEBUGGING)
- /* On ultra3 (NYU) we assume the kernel is already running so there is
- * no file to download
- */
-#else
- udi_load(args, 0);
-#endif /* !ULTRA3 */
+ if (!entry.Offset)
+ download(execfile, 0);
+
+ args1 = alloca (strlen(execfile) + strlen(args) + 2);
+
+ strcpy (args1, execfile);
+ strcat (args1, " ");
+ strcat (args1, args);
+
+ UDIInitializeProcess (address_ranges, /* ProcessMemory[] */
+ (UDIInt)2, /* NumberOfRanges */
+ entry, /* EntryPoint */
+ stack_sizes, /* *StackSizes */
+ (UDIInt)2, /* NumberOfStacks */
+ args1); /* ArgString */
init_wait_for_inferior ();
clear_proceed_status ();
proceed(-1,-1,0);
}
-/******************************************************* UDI_MOURN_INFERIOR */
+
static void
udi_mourn()
{
** Open a connection to remote TIP.
NAME is the socket domain used for communication with the TIP,
then a space and the socket name or TIP-host name.
- '<udi_udi_config_id> [progname]' for example.
+ '<udi_udi_config_id>' for example.
*/
/* XXX - need cleanups for udiconnect for various failures!!! */
char *name;
int from_tty;
{
- unsigned int prl;
- char *p;
- int cnt;
+ unsigned int prl;
+ char *p;
+ int cnt;
UDIMemoryRange KnownMemory[10];
- UDIUInt32 ChipVersions[10];
- UDIInt NumberOfRanges = 10;
- UDIInt NumberOfChips = 10;
- UDIPId PId;
- UDIUInt32 TIPId, TargetId, DFEId, DFE, TIP, DFEIPCId, TIPIPCId;
+ UDIUInt32 ChipVersions[10];
+ UDIInt NumberOfRanges = 10;
+ UDIInt NumberOfChips = 10;
+ UDIPId PId;
+ UDIUInt32 TIPId, TargetId, DFEId, DFE, TIP, DFEIPCId, TIPIPCId;
target_preopen(from_tty);
- /* Find the first whitespace character, it separates udi_config_id
- from prog_name. */
- if(!name) goto erroid;
- for (p = name;
- *p != '\0' && !isspace (*p); p++)
- ;
- if (*p == '\0')
-erroid:
- error("Usage: target udi config_id progname, where config_id appears in udi_soc file");
-
- udi_config_id = (char*)malloc (p - name + 1);
- strncpy (udi_config_id, name, p - name);
- udi_config_id[p - name] = '\0';
-
- /* Skip over the whitespace after udi_config_id */
- for (; isspace (*p); p++)
- /*EMPTY*/;
-
- if (prog_name != NULL)
- free (prog_name);
- prog_name = savestring (p, strlen (p));
+ if (udi_config_id)
+ free (udi_config_id);
+
+ if (!name)
+ error("Usage: target udi config_id, where config_id appears in udi_soc file");
- if (UDIConnect(udi_config_id, &udi_session_id))
+ udi_config_id = strdup (strtok (name, " \t"));
+
+ if (UDIConnect (udi_config_id, &udi_session_id))
error("UDIConnect() failed: %s\n", dfe_errmsg);
push_target (&udi_ops);
/*
** Initialize target configuration structure (global)
*/
- if(UDIGetTargetConfig( KnownMemory, &NumberOfRanges,
- ChipVersions, &NumberOfChips))
+ if (UDIGetTargetConfig (KnownMemory, &NumberOfRanges,
+ ChipVersions, &NumberOfChips))
error ("UDIGetTargetConfig() failed");
- if(NumberOfChips > 2)
- fprintf(stderr,"Taret has more than one processor\n");
- for(cnt=0; cnt<NumberOfRanges; cnt++)
- { switch(KnownMemory[cnt].Space)
+ if (NumberOfChips > 2)
+ fprintf(stderr,"Target has more than one processor\n");
+ for (cnt=0; cnt < NumberOfRanges; cnt++)
+ {
+ switch(KnownMemory[cnt].Space)
{
- default: fprintf(stderr, "UDIGetTargetConfig() unknown memory space\n");
- break;
+ default:
+ fprintf(stderr, "UDIGetTargetConfig() unknown memory space\n");
+ break;
case UDI29KCP_S:
- break;
+ break;
case UDI29KIROMSpace:
- RMemStart = KnownMemory[cnt].Offset;
- RMemSize = KnownMemory[cnt].Size;
- break;
+ RMemStart = KnownMemory[cnt].Offset;
+ RMemSize = KnownMemory[cnt].Size;
+ break;
case UDI29KIRAMSpace:
- IMemStart = KnownMemory[cnt].Offset;
- IMemSize = KnownMemory[cnt].Size;
- break;
+ IMemStart = KnownMemory[cnt].Offset;
+ IMemSize = KnownMemory[cnt].Size;
+ break;
case UDI29KDRAMSpace:
- DMemStart = KnownMemory[cnt].Offset;
- DMemSize = KnownMemory[cnt].Size;
- break;
+ DMemStart = KnownMemory[cnt].Offset;
+ DMemSize = KnownMemory[cnt].Size;
+ break;
}
- }
+ }
/* Determine the processor revision level */
- prl = (unsigned int)read_register(CFG_REGNUM) >> 24;
+ prl = (unsigned int)read_register (CFG_REGNUM) >> 24;
if ((prl&0xe0) == 0)
- { fprintf_filtered(stderr,
- "Remote debugging Am29000 rev %c\n",'A'+(prl&0x1f));
+ {
+ fprintf_filtered (stderr,
+ "Remote debugging Am29000 rev %c\n",'A'+(prl&0x1f));
processor_type = TYPE_A29000;
- } else if ((prl&0xe0) == 0x40) /* 29030 = 0x4* */
- { fprintf_filtered(stderr,
- "Remote debugging Am2903* rev %c\n",'A'+(prl&0x1f));
+ }
+ else if ((prl&0xe0) == 0x40) /* 29030 = 0x4* */
+ {
+ fprintf_filtered (stderr,
+ "Remote debugging Am2903* rev %c\n",'A'+(prl&0x1f));
processor_type = TYPE_A29030;
- } else if ((prl&0xe0) == 0x20) /* 29050 = 0x2* */
- { fprintf_filtered(stderr,
- "Remote debugging Am29050 rev %c\n",'A'+(prl&0x1f));
+ }
+ else if ((prl&0xe0) == 0x20) /* 29050 = 0x2* */
+ {
+ fprintf_filtered (stderr,
+ "Remote debugging Am29050 rev %c\n",'A'+(prl&0x1f));
processor_type = TYPE_A29050;
- } else {
+ }
+ else
+ {
processor_type = TYPE_UNKNOWN;
- fprintf_filtered(stderr,"WARNING: processor type unknown.\n");
- }
- if(UDICreateProcess(&PId))
+ fprintf_filtered (stderr,"WARNING: processor type unknown.\n");
+ }
+ if (UDICreateProcess (&PId))
fprintf(stderr, "UDICreateProcess() failed\n");
/* Print out some stuff, letting the user now what's going on */
- if(UDICapabilities( &TIPId, &TargetId, DFEId, DFE, &TIP, &DFEIPCId,
- &TIPIPCId, sbuf))
+ if (UDICapabilities (&TIPId, &TargetId, DFEId, DFE, &TIP, &DFEIPCId,
+ &TIPIPCId, sbuf))
error ("UDICapabilities() failed");
- if (from_tty) {
- printf_filtered("Remote debugging an %s connected via UDI socket,\n\
+ if (from_tty)
+ {
+ printf_filtered ("Remote debugging an %s connected via UDI socket,\n\
DFE-IPC version %x.%x.%x TIP-IPC version %x.%x.%x TIP version %x.%x.%x\n %s\n",
- processor_name[processor_type],
- (DFEIPCId>>8)&0xf, (DFEIPCId>>4)&0xf, DFEIPCId&0xf,
- (TIPIPCId>>8)&0xf, (TIPIPCId>>4)&0xf, TIPIPCId&0xf,
- (TargetId>>8)&0xf, (TargetId>>4)&0xf, TargetId&0xf,
- sbuf);
-#ifdef ULTRA3
- /* FIXME: can this restriction be removed? */
- printf_filtered("Remote debugging using virtual addresses works only\n");
- printf_filtered(" when virtual addresses map 1:1 to physical addresses.\n");
-#endif
- }
-#ifdef ULTRA3
- if (processor_type != TYPE_A29050) {
- fprintf_filtered(stderr,
- "Freeze-mode debugging can only be done on an Am29050,\n");
- fprintf_filtered(stderr,
- " unless GDB is being used with a 29K simulator.\n");
- }
-#endif
+ processor_name[processor_type],
+ (DFEIPCId>>8)&0xf, (DFEIPCId>>4)&0xf, DFEIPCId&0xf,
+ (TIPIPCId>>8)&0xf, (TIPIPCId>>4)&0xf, TIPIPCId&0xf,
+ (TargetId>>8)&0xf, (TargetId>>4)&0xf, TargetId&0xf,
+ sbuf);
+ }
}
/******************************************************************* UDI_CLOSE
udi_close (quitting) /*FIXME: how is quitting used */
int quitting;
{
- int Terminate = -1;
-
if (udi_session_id < 0)
- error ("Can't close udi connection: not debugging remotely.");
+ return;
/* We should never get here if there isn't something valid in
- udi_session_id.
+ udi_session_id. */
- if(UDIDisconnect(udi_stream, Terminate);)
+ if (UDIDisconnect (udi_session_id, UDITerminateSession))
error ("UDIDisconnect() failed in udi_close");
/* Do not try to close udi_session_id again, later in the program. */
char *args;
int from_tty;
{
+
remove_breakpoints(); /* Just in case there were any left in */
- if(UDIDisconnect(udi_session_id))
+
+ if (UDIDisconnect (udi_session_id, UDIContinueSession))
error ("UDIDisconnect() failed in udi_detach");
+
pop_target(); /* calls udi_close to do the real work */
+
if (from_tty)
printf ("Ending remote debugging\n");
}
error("UDIClearBreakpoint returned error code %d\n", err);
}
-/***************************************************************** UDI_KILL */
static void
udi_kill(arg,from_tty)
-char *arg;
-int from_tty;
+ char *arg;
+ int from_tty;
{
- char buf[4];
-#if defined(ULTRA3) && defined(KERNEL_DEBUGGING)
- /* We don't ever kill the kernel */
- if (from_tty) {
- printf_filtered("Kernel not killed, but left in current state.\n");
- printf_filtered("Use detach to leave kernel running.\n");
- }
-#else
- UDIStop();
- inferior_pid = 0;
- if (from_tty) {
- printf("Target has been stopped.");
- }
- pop_target();
-#endif
-}
+#if 0
+/*
+UDIStop does not really work as advertised. It causes the TIP to close it's
+connection, which usually results in GDB dying with a SIGPIPE. For now, we
+just invoke udi_close, which seems to get things right.
+*/
+ UDIStop();
+ udi_session_id = -1;
+ inferior_pid = 0;
+ if (from_tty)
+ printf("Target has been stopped.");
+#else
+ udi_close(0);
+#endif
+ pop_target();
+}
-/***************************************************************** UDI_LOAD */
/*
- * Load a program into the target.
- */
+ Load a program into the target. Args are: `program {options}'. The options
+ are used to control loading of the program, and are NOT passed onto the
+ loaded code as arguments. (You need to use the `run' command to do that.)
+
+ The options are:
+ -ms %d Set mem stack size to %d
+ -rs %d Set regular stack size to %d
+ -i send init info (default)
+ -noi don't send init info
+ -[tT] Load Text section
+ -[dD] Load Data section
+ -[bB] Load BSS section
+ -[lL] Load Lit section
+ */
+
static void
-udi_load(arg_string,from_tty)
-char *arg_string;
-int from_tty;
+download(load_arg_string, from_tty)
+ char *load_arg_string;
+ int from_tty;
{
-#define MAX_TOKENS 25
-#define BUFFER_SIZE 256
- int token_count;
- char *token[MAX_TOKENS];
- char cmd_line[BUFFER_SIZE];
+#define DEFAULT_MEM_STACK_SIZE 0x6000
+#define DEFAULT_REG_STACK_SIZE 0x2000
+
+ char *token;
+ char *filename;
+ asection *section;
+ bfd *pbfd;
+ UDIError err;
+ int load_text = 1, load_data = 1, load_bss = 1, load_lit = 1;
+
+ address_ranges[0].Space = UDI29KIRAMSpace;
+ address_ranges[0].Offset = 0xffffffff;
+ address_ranges[0].Size = 0;
+
+ address_ranges[1].Space = UDI29KDRAMSpace;
+ address_ranges[1].Offset = 0xffffffff;
+ address_ranges[1].Size = 0;
+
+ stack_sizes[0] = DEFAULT_REG_STACK_SIZE;
+ stack_sizes[1] = DEFAULT_MEM_STACK_SIZE;
dont_repeat ();
-#if defined(KERNEL_DEBUGGING) && defined(ULTRA3)
- printf("The kernel had better be loaded already! Loading not done.\n");
-#else
- if (prog_name == 0)
- error ("No program name");
- arg_string = tilde_expand (arg_string);
- sprintf(cmd_line,"y %s %s", prog_name, arg_string);
-
- token_count = 0;
- token[0] = cmd_line;
-
- if (cmd_line[0] != '\0')
- { token[token_count] = strtok(cmd_line, " \t,;\n\r");
-
- if (token[token_count] != NULL)
- { do {
- token_count = token_count + 1;
- token[token_count] = strtok((char *) NULL, " \t,;\n\r");
- } while ((token[token_count] != NULL) &&
- (token_count < MAX_TOKENS));
+ filename = strtok(load_arg_string, " \t");
+ if (!filename)
+ error ("Must specify at least a file name with the load command");
+
+ filename = tilde_expand (filename);
+ make_cleanup (free, filename);
+
+ while (token = strtok (NULL, " \t"))
+ {
+ if (token[0] == '-')
+ {
+ token++;
+
+ if (strcmp (token, "ms") == 0)
+ stack_sizes[1] = atol (strtok (NULL, " \t"));
+ else if (strcmp (token, "rs") == 0)
+ stack_sizes[0] = atol (strtok (NULL, " \t"));
+ else
+ {
+ load_text = load_data = load_bss = load_lit = 0;
+
+ while (*token)
+ {
+ switch (*token++)
+ {
+ case 't':
+ case 'T':
+ load_text = 1;
+ break;
+ case 'd':
+ case 'D':
+ load_data = 1;
+ break;
+ case 'b':
+ case 'B':
+ load_bss = 1;
+ break;
+ case 'l':
+ case 'L':
+ load_lit = 1;
+ break;
+ default:
+ error ("Unknown UDI load option -%s", token-1);
+ }
+ }
+ }
+ }
}
- else
- *token[0] = '\0';
- }
- make_cleanup (free, arg_string);
+
+ pbfd = bfd_openr (filename, 0);
+
+ if (!pbfd)
+ perror_with_name (filename);
+
+ make_cleanup (bfd_close, pbfd);
+
QUIT;
immediate_quit++;
- if(yank_cmd(token, token_count))
- error("Failure when tring to load program");
+
+ if (!bfd_check_format (pbfd, bfd_object))
+ error ("It doesn't seem to be an object file");
+
+ for (section = pbfd->sections; section; section = section->next)
+ {
+ if (bfd_get_section_flags (pbfd, section) & SEC_ALLOC)
+ {
+ UDIResource To;
+ UDICount Count;
+ unsigned long section_size, section_end;
+ const char *section_name;
+
+ section_name = bfd_get_section_name (pbfd, section);
+ if (strcmp (section_name, ".text") == 0 && !load_text)
+ continue;
+ else if (strcmp (section_name, ".data") == 0 && !load_data)
+ continue;
+ else if (strcmp (section_name, ".bss") == 0 && !load_bss)
+ continue;
+ else if (strcmp (section_name, ".lit") == 0 && !load_lit)
+ continue;
+
+ To.Offset = bfd_get_section_vma (pbfd, section);
+ section_size = bfd_section_size (pbfd, section);
+ section_end = To.Offset + section_size;
+
+ printf("[Loading section %s at %x (%d bytes)]\n",
+ section_name,
+ To.Offset,
+ section_size);
+
+ if (bfd_get_section_flags (pbfd, section) & SEC_CODE)
+ {
+ To.Space = UDI29KIRAMSpace;
+
+ address_ranges[0].Offset = min (address_ranges[0].Offset,
+ To.Offset);
+ address_ranges[0].Size = max (address_ranges[0].Size,
+ section_end
+ - address_ranges[0].Offset);
+ }
+ else
+ {
+ To.Space = UDI29KDRAMSpace;
+
+ address_ranges[1].Offset = min (address_ranges[1].Offset,
+ To.Offset);
+ address_ranges[1].Size = max (address_ranges[1].Size,
+ section_end
+ - address_ranges[1].Offset);
+ }
+
+ if (bfd_get_section_flags (pbfd, section) & SEC_LOAD) /* Text, data or lit */
+ {
+ file_ptr fptr;
+
+ fptr = 0;
+
+ while (section_size > 0)
+ {
+ char buffer[1024];
+
+ Count = min (section_size, 1024);
+
+ bfd_get_section_contents (pbfd, section, buffer, fptr,
+ Count);
+
+ err = UDIWrite ((UDIHostMemPtr)buffer, /* From */
+ To, /* To */
+ Count, /* Count */
+ (UDISizeT)1, /* Size */
+ &Count, /* CountDone */
+ (UDIBool)0); /* HostEndian */
+ if (err)
+ error ("UDIWrite failed, error = %d", err);
+
+ To.Offset += Count;
+ fptr += Count;
+ section_size -= Count;
+ }
+ }
+ else /* BSS */
+ {
+ UDIResource From;
+ char zero = 0;
+
+ /* Write a zero byte at the vma */
+ err = UDIWrite ((UDIHostMemPtr)&zero, /* From */
+ To, /* To */
+ (UDICount)1, /* Count */
+ (UDISizeT)1, /* Size */
+ &Count, /* CountDone */
+ (UDIBool)0); /* HostEndian */
+ if (err)
+ error ("UDIWrite failed, error = %d", err);
+
+ From = To;
+ To.Offset++;
+
+ /* Now, duplicate it for the length of the BSS */
+ err = UDICopy (From, /* From */
+ To, /* To */
+ (UDICount)section_size - 1, /* Count */
+ (UDISizeT)1, /* Size */
+ &Count, /* CountDone */
+ (UDIBool)1); /* Direction */
+ if (err)
+ error ("UDICopy failed, error = %d", err);
+ }
+
+ }
+ }
+
+ entry.Space = UDI29KIRAMSpace;
+ entry.Offset = bfd_get_start_address (pbfd);
+
immediate_quit--;
- symbol_file_add (prog_name, from_tty, 0, 0, 0, 0);/*DEBUG need to add text_addr */
-#endif
+}
+
+/* User interface to download an image into the remote target. See download()
+ * for details on args.
+ */
+
+static void
+udi_load(args, from_tty)
+ char *args;
+ int from_tty;
+{
+ download (args, from_tty);
+ symbol_file_add (strtok (args, " \t"), from_tty, 0, 0, 0, 0);
}
/*************************************************** UDI_WRITE_INFERIOR_MEMORY
UDICount CountDone = 0;
UDIBool HostEndian = 0;
- To.Space = udi_memory_space(memaddr);
+ To.Space = udi_memory_space(memaddr);
From = (UDIUInt32*)myaddr;
while (nwritten < len)
*/
static CPUSpace
udi_memory_space(addr)
-CORE_ADDR *addr;
+CORE_ADDR addr;
{
UDIUInt32 tstart = IMemStart;
UDIUInt32 tend = tstart + IMemSize;
projects / binutils-gdb.git / commitdiff