/* Memory-access and commands for remote VxWorks processes, for GDB.
- Copyright (C) 1990-1991 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992 Free Software Foundation, Inc.
Contributed by Wind River Systems and Cygnus Support.
This file is part of GDB.
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "defs.h"
-#include "param.h"
#include "frame.h"
#include "inferior.h"
#include "wait.h"
#include "symtab.h"
#include "symfile.h" /* for struct complaint */
-#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>
+#define malloc bogon_malloc /* Sun claims "char *malloc()" not void * */
#define free bogon_free /* Sun claims "int free()" not void */
+#define realloc bogon_realloc /* Sun claims "char *realloc()", not void * */
#include <rpc/rpc.h>
+#undef malloc
#undef free
+#undef realloc
#include <sys/time.h> /* UTek's <rpc/rpc.h> doesn't #incl this */
#include <netdb.h>
-#include <ptrace.h>
-#include "xdr_ptrace.h"
-#include "xdr_ld.h"
-#include "xdr_rdb.h"
-#include "dbgRpcLib.h"
-
-/* get rid of value.h if possible */
-#include <value.h>
+#include "vx-share/ptrace.h"
+#include "vx-share/xdr_ptrace.h"
+#include "vx-share/xdr_ld.h"
+#include "vx-share/xdr_rdb.h"
+#include "vx-share/dbgRpcLib.h"
+#include "vx-share/reg.h"
+
#include <symtab.h>
-
-extern value call_function_by_hand ();
+
extern void symbol_file_command ();
extern int stop_soon_quietly; /* for wait_for_inferior */
/* Tell the VxWorks target system to download a file.
The load addresses of the text, data, and bss segments are
- stored in pTextAddr, pDataAddr, and *pBssAddr (respectively).
+ stored in *pTextAddr, *pDataAddr, and *pBssAddr (respectively).
Returns 0 for success, -1 for failure. */
static int
The load on the target side can take quite a while, easily
more than 10 seconds. The user can kill this call by typing
CTRL-C if there really is a problem with the load.
-
+
Do not change the tv_sec value without checking -- select() imposes
a limit of 10**8 on it for no good reason that I can see... */
if (status == RPC_SUCCESS)
{
- if (*ldstruct.name == NULL) /* load failed on VxWorks side */
+ if (*ldstruct.name == 0) /* load failed on VxWorks side */
return -1;
*pTextAddr = ldstruct.txt_addr;
*pDataAddr = ldstruct.data_addr;
/* returns 0 if successful, errno otherwise */
-int
+static int
vx_insert_breakpoint (addr)
int addr;
{
/* returns 0 if successful, errno otherwise */
-int
+static int
vx_remove_breakpoint (addr)
int addr;
{
return net_break (addr, VX_BREAK_DELETE);
}
-/* Call a function on the VxWorks target system.
- ARGS is a vector of values of arguments (NARGS of them).
- FUNCTION is a value, the function to be called.
- Returns a struct value * representing what the function returned.
- May fail to return, if a breakpoint or signal is hit
- during the execution of the function. */
-
-#ifdef FIXME
-/* FIXME, function calls are really fried. GO back to manual method. */
-value
-vx_call_function (function, nargs, args)
- value function;
- int nargs;
- value *args;
-{
- register CORE_ADDR sp;
- register int i;
- CORE_ADDR start_sp;
- static REGISTER_TYPE dummy[] = CALL_DUMMY;
- REGISTER_TYPE dummy1[sizeof dummy / sizeof (REGISTER_TYPE)];
- CORE_ADDR old_sp;
- struct type *value_type;
- unsigned char struct_return;
- CORE_ADDR struct_addr;
- struct inferior_status inf_status;
- struct cleanup *old_chain;
- CORE_ADDR funaddr;
- int using_gcc;
-
- save_inferior_status (&inf_status, 1);
- old_chain = make_cleanup (restore_inferior_status, &inf_status);
-
- /* PUSH_DUMMY_FRAME is responsible for saving the inferior registers
- (and POP_FRAME for restoring them). (At least on most machines)
- they are saved on the stack in the inferior. */
- PUSH_DUMMY_FRAME;
-
- old_sp = sp = read_register (SP_REGNUM);
-
-#if 1 INNER_THAN 2 /* Stack grows down */
- sp -= sizeof dummy;
- start_sp = sp;
-#else /* Stack grows up */
- start_sp = sp;
- sp += sizeof dummy;
-#endif
-
- funaddr = find_function_addr (function, &value_type);
-
- {
- struct block *b = block_for_pc (funaddr);
- /* If compiled without -g, assume GCC. */
- using_gcc = b == NULL || BLOCK_GCC_COMPILED (b);
- }
-
- /* Are we returning a value using a structure return or a normal
- value return? */
-
- struct_return = using_struct_return (function, funaddr, value_type,
- using_gcc);
-
- /* Create a call sequence customized for this function
- and the number of arguments for it. */
- bcopy (dummy, dummy1, sizeof dummy);
- FIX_CALL_DUMMY (dummy1, start_sp, funaddr, nargs, args,
- value_type, using_gcc);
-
-#if CALL_DUMMY_LOCATION == ON_STACK
- write_memory (start_sp, dummy1, sizeof dummy);
-
-#else /* Not on stack. */
-#if CALL_DUMMY_LOCATION == BEFORE_TEXT_END
- /* Convex Unix prohibits executing in the stack segment. */
- /* Hope there is empty room at the top of the text segment. */
- {
- static checked = 0;
- if (!checked)
- for (start_sp = text_end - sizeof dummy; start_sp < text_end; ++start_sp)
- if (read_memory_integer (start_sp, 1) != 0)
- error ("text segment full -- no place to put call");
- checked = 1;
- sp = old_sp;
- start_sp = text_end - sizeof dummy;
- write_memory (start_sp, dummy1, sizeof dummy);
- }
-#else /* After text_end. */
- {
- int errcode;
- sp = old_sp;
- start_sp = text_end;
- errcode = target_write_memory (start_sp, dummy1, sizeof dummy);
- if (errcode != 0)
- error ("Cannot write text segment -- call_function failed");
- }
-#endif /* After text_end. */
-#endif /* Not on stack. */
-
-#ifdef STACK_ALIGN
- /* If stack grows down, we must leave a hole at the top. */
- {
- int len = 0;
-
- /* Reserve space for the return structure to be written on the
- stack, if necessary */
-
- if (struct_return)
- len += TYPE_LENGTH (value_type);
-
- for (i = nargs - 1; i >= 0; i--)
- len += TYPE_LENGTH (VALUE_TYPE (value_arg_coerce (args[i])));
-#ifdef CALL_DUMMY_STACK_ADJUST
- len += CALL_DUMMY_STACK_ADJUST;
-#endif
-#if 1 INNER_THAN 2
- sp -= STACK_ALIGN (len) - len;
-#else
- sp += STACK_ALIGN (len) - len;
-#endif
- }
-#endif /* STACK_ALIGN */
-
- /* Reserve space for the return structure to be written on the
- stack, if necessary */
-
- if (struct_return)
- {
-#if 1 INNER_THAN 2
- sp -= TYPE_LENGTH (value_type);
- struct_addr = sp;
-#else
- struct_addr = sp;
- sp += TYPE_LENGTH (value_type);
-#endif
- }
-
-#if defined (REG_STRUCT_HAS_ADDR)
- {
- /* This is a machine like the sparc, where we need to pass a pointer
- to the structure, not the structure itself. */
- if (REG_STRUCT_HAS_ADDR (using_gcc))
- for (i = nargs - 1; i >= 0; i--)
- if (TYPE_CODE (VALUE_TYPE (args[i])) == TYPE_CODE_STRUCT)
- {
- CORE_ADDR addr;
-#if !(1 INNER_THAN 2)
- /* The stack grows up, so the address of the thing we push
- is the stack pointer before we push it. */
- addr = sp;
-#endif
- /* Push the structure. */
- sp = value_push (sp, args[i]);
-#if 1 INNER_THAN 2
- /* The stack grows down, so the address of the thing we push
- is the stack pointer after we push it. */
- addr = sp;
-#endif
- /* The value we're going to pass is the address of the thing
- we just pushed. */
- args[i] = value_from_long (builtin_type_long, (LONGEST) addr);
- }
- }
-#endif /* REG_STRUCT_HAS_ADDR. */
-
-#ifdef PUSH_ARGUMENTS
- PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr);
-#else /* !PUSH_ARGUMENTS */
- for (i = nargs - 1; i >= 0; i--)
- sp = value_arg_push (sp, args[i]);
-#endif /* !PUSH_ARGUMENTS */
-
-#ifdef CALL_DUMMY_STACK_ADJUST
-#if 1 INNER_THAN 2
- sp -= CALL_DUMMY_STACK_ADJUST;
-#else
- sp += CALL_DUMMY_STACK_ADJUST;
-#endif
-#endif /* CALL_DUMMY_STACK_ADJUST */
-
- /* Store the address at which the structure is supposed to be
- written. Note that this (and the code which reserved the space
- above) assumes that gcc was used to compile this function. Since
- it doesn't cost us anything but space and if the function is pcc
- it will ignore this value, we will make that assumption.
-
- Also note that on some machines (like the sparc) pcc uses a
- convention like gcc's. */
-
- if (struct_return)
- STORE_STRUCT_RETURN (struct_addr, sp);
-
- /* Write the stack pointer. This is here because the statements above
- might fool with it. On SPARC, this write also stores the register
- window into the right place in the new stack frame, which otherwise
- wouldn't happen. (See write_inferior_registers in sparc-xdep.c.) */
- write_register (SP_REGNUM, sp);
-
- /* Figure out the value returned by the function. */
- {
- char retbuf[REGISTER_BYTES];
-
- /* Execute the stack dummy routine, calling FUNCTION.
- When it is done, discard the empty frame
- after storing the contents of all regs into retbuf. */
- run_stack_dummy (start_sp + CALL_DUMMY_START_OFFSET, retbuf);
-
- do_cleanups (old_chain);
-
- return value_being_returned (value_type, retbuf, struct_return);
- }
-}
-/* should return a value of some sort */
-
-value
-vx_call_function (funcAddr, nargs, args, valueType)
- char *funcAddr;
- int nargs;
- value *args;
- struct type * valueType;
-{
- int i;
- func_call funcInfo;
- arg_value *argValue;
- enum clnt_stat status;
- register int len;
- arg_value funcReturn;
- value gdbValue;
-
- argValue = (arg_value *) xmalloc (nargs * sizeof (arg_value));
-
- bzero (argValue, nargs * sizeof (arg_value));
- bzero (&funcReturn, sizeof (funcReturn));
-
- for (i = nargs - 1; i >= 0; i--)
- {
- len = TYPE_LENGTH (VALUE_TYPE (args [i]));
-
- switch (TYPE_CODE (VALUE_TYPE (args[i])))
- {
- /* XXX put other types here. Where's CHAR, etc??? */
-
- case TYPE_CODE_FLT:
- argValue[i].type = T_FLOAT;
- break;
- case TYPE_CODE_INT:
- case TYPE_CODE_PTR:
- case TYPE_CODE_ENUM:
- case TYPE_CODE_FUNC:
- argValue[i].type = T_INT;
- break;
-
- case TYPE_CODE_UNDEF:
- case TYPE_CODE_ARRAY:
- case TYPE_CODE_STRUCT:
- case TYPE_CODE_UNION:
- case TYPE_CODE_VOID:
- case TYPE_CODE_SET:
- case TYPE_CODE_RANGE:
- case TYPE_CODE_PASCAL_ARRAY:
- case TYPE_CODE_MEMBER: /* C++ */
- case TYPE_CODE_METHOD: /* C++ */
- case TYPE_CODE_REF: /* C++ */
- default:
- error ("No corresponding VxWorks type for %d. CHECK IT OUT!!!\n",
- TYPE_CODE(VALUE_TYPE(args[i])));
- } /* switch */
- if (TYPE_CODE(VALUE_TYPE(args[i])) == TYPE_CODE_FUNC)
- argValue[i].arg_value_u.v_int = VALUE_ADDRESS(args[i]);
- else
- bcopy (VALUE_CONTENTS (args[i]), (char *) &argValue[i].arg_value_u,
- len);
- }
-
- /* XXX what should the type of this function addr be?
- * XXX Both in gdb and vxWorks
- */
- funcInfo.func_addr = (int) funcAddr;
- funcInfo.args.args_len = nargs;
- funcInfo.args.args_val = argValue;
-
- status = net_clnt_call (VX_CALL_FUNC, xdr_func_call, (char *) &funcInfo,
- xdr_arg_value, &funcReturn);
-
- free ((char *) argValue);
-
- if (status == RPC_SUCCESS)
- {
- /* XXX this assumes that vxWorks ALWAYS returns an int, and that
- * XXX gdb isn't expecting anything more
- */
-
- /*******************
- if (funcReturn.type == T_UNKNOWN)
- return YYYXXX...;
- *******************/
- gdbValue = allocate_value (valueType);
- bcopy (&funcReturn.arg_value_u.v_int, VALUE_CONTENTS (gdbValue),
- sizeof (int));
- return gdbValue;
- }
- else
- error (rpcerr);
- }
-#endif /* FIXME */
-
/* Start an inferior process and sets inferior_pid to its pid.
EXEC_FILE is the file to run.
ALLARGS is a string containing the arguments to the program.
Returns process id. Errors reported with error().
On VxWorks, we ignore exec_file. */
-void
+static void
vx_create_inferior (exec_file, args, env)
char *exec_file;
char *args;
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. */
/* 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;
to the debugged task.
Returns -1 if remote wait failed, task status otherwise. */
-int
+static int
net_wait (pEvent)
RDB_EVENT *pEvent;
{
/* Suspend the remote task.
Returns -1 if suspend fails on target system, 0 otherwise. */
-int
+static int
net_quit ()
{
int pid;
/* Read a register or registers from the remote system. */
-int
+static void
vx_read_register (regno)
int regno;
{
int status;
Rptrace ptrace_in;
Ptrace_return ptrace_out;
- struct regs inferior_registers;
- struct fp_status inferior_fp_registers;
+ C_bytes in_data;
+ C_bytes out_data;
extern char registers[];
bzero ((char *) &ptrace_in, sizeof (ptrace_in));
registers_fetched ();
ptrace_in.pid = inferior_pid;
- ptrace_out.info.more_data = (caddr_t) &inferior_registers;
+ ptrace_out.info.more_data = (caddr_t) &out_data;
+#ifndef I80960
+ out_data.len = 18 * REGISTER_RAW_SIZE (0); /* FIXME 68k hack */
+#else
+ out_data.len = (16 + 16 + 3) * REGISTER_RAW_SIZE (0);
+#endif
+ out_data.bytes = (caddr_t) registers;
+
status = net_ptrace_clnt_call (PTRACE_GETREGS, &ptrace_in, &ptrace_out);
if (status)
error (rpcerr);
if (ptrace_out.status == -1)
{
errno = ptrace_out.errno;
- return -1;
+ perror_with_name ("net_ptrace_clnt_call(PTRACE_GETREGS)");
}
#ifdef I80960
- bcopy ((char *) inferior_registers.r_lreg,
- ®isters[REGISTER_BYTE (R0_REGNUM)], 16 * sizeof (int));
- bcopy ((char *) inferior_registers.r_greg,
- ®isters[REGISTER_BYTE (G0_REGNUM)], 16 * sizeof (int));
-
- /* Don't assume that a location in registers[] is properly aligned. */
-
- bcopy ((char *) &inferior_registers.r_pcw,
- ®isters[REGISTER_BYTE (PCW_REGNUM)], sizeof (int));
- bcopy ((char *) &inferior_registers.r_acw,
- ®isters[REGISTER_BYTE (ACW_REGNUM)], sizeof (int));
- bcopy ((char *) &inferior_registers.r_lreg[2], /* r2 (RIP) -> IP */
- ®isters[REGISTER_BYTE (IP_REGNUM)], sizeof (int));
- bcopy ((char *) &inferior_registers.r_tcw,
- ®isters[REGISTER_BYTE (TCW_REGNUM)], sizeof (int));
-
- /* If the target has floating point registers, fetch them.
- Otherwise, zero the floating point register values in
- registers[] for good measure, even though we might not
- need to. */
-
- if (target_has_fp)
- {
- ptrace_in.pid = inferior_pid;
- ptrace_out.info.more_data = (caddr_t) &inferior_fp_registers;
- status = net_ptrace_clnt_call (PTRACE_GETFPREGS, &ptrace_in, &ptrace_out);
- if (status)
- error (rpcerr);
- if (ptrace_out.status == -1)
- {
- errno = ptrace_out.errno;
- return -1;
- }
-
- bcopy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)],
- REGISTER_RAW_SIZE (FP0_REGNUM) * 4);
- }
- else
- {
- bzero ((char *) ®isters[REGISTER_BYTE (FP0_REGNUM)],
- REGISTER_RAW_SIZE (FP0_REGNUM) * 4);
- }
+ {
+ /* If the target has floating point registers, fetch them.
+ Otherwise, zero the floating point register values in
+ registers[] for good measure, even though we might not
+ need to. */
+ /* @@ Can't use this -- the rdb library for the 960 target
+ doesn't support setting or retrieving FP regs. KR */
+#if 0
+ struct fp_status inferior_fp_registers;
+
+ if (target_has_fp)
+ {
+ ptrace_in.pid = inferior_pid;
+ ptrace_out.info.more_data = (caddr_t) &inferior_fp_registers;
+ status = net_ptrace_clnt_call (PTRACE_GETFPREGS,
+ &ptrace_in, &ptrace_out);
+ if (status)
+ error (rpcerr);
+ if (ptrace_out.status == -1)
+ {
+ errno = ptrace_out.errno;
+ perror_with_name ("net_ptrace_clnt_call(PTRACE_GETFPREGS)");
+ }
+ bcopy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)],
+ REGISTER_RAW_SIZE (FP0_REGNUM) * 4);
+ }
+ else
+ {
+ bzero ((char *) ®isters[REGISTER_BYTE (FP0_REGNUM)],
+ REGISTER_RAW_SIZE (FP0_REGNUM) * 4);
+ }
+#endif
+ }
#else /* not 960, thus must be 68000: FIXME! */
- bcopy (&inferior_registers, registers, 16 * 4);
- *(int *)®isters[REGISTER_BYTE (PS_REGNUM)] = inferior_registers.r_ps;
- *(int *)®isters[REGISTER_BYTE (PC_REGNUM)] = inferior_registers.r_pc;
-
if (target_has_fp)
{
ptrace_in.pid = inferior_pid;
- ptrace_out.info.more_data = (caddr_t) &inferior_fp_registers;
+ ptrace_out.info.more_data = (caddr_t) &out_data;
+ out_data.len = 8 * REGISTER_RAW_SIZE (FP0_REGNUM) /* FIXME */
+ + (3 * sizeof (REGISTER_TYPE));
+ out_data.bytes = (caddr_t) ®isters[REGISTER_BYTE (FP0_REGNUM)];
+
status = net_ptrace_clnt_call (PTRACE_GETFPREGS, &ptrace_in, &ptrace_out);
if (status)
error (rpcerr);
if (ptrace_out.status == -1)
{
errno = ptrace_out.errno;
- return -1;
+ perror_with_name ("net_ptrace_clnt_call(PTRACE_GETFPREGS)");
}
-
- bcopy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)],
- sizeof inferior_fp_registers.fps_regs);
- bcopy (&inferior_fp_registers.fps_control,
- ®isters[REGISTER_BYTE (FPC_REGNUM)],
- sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs);
}
else
{
bzero (®isters[REGISTER_BYTE (FP0_REGNUM)],
- sizeof inferior_fp_registers.fps_regs);
+ 8 * REGISTER_RAW_SIZE (FP0_REGNUM));
bzero (®isters[REGISTER_BYTE (FPC_REGNUM)],
- sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs);
+ 3 * sizeof (REGISTER_TYPE));
}
#endif /* various architectures */
-
- return 0;
}
/* Prepare to store registers. Since we will store all of them,
read out their current values now. */
-void
+static void
vx_prepare_to_store ()
{
- vx_read_register (-1);
+ /* Fetch all registers, if any of them are not yet fetched. */
+ read_register_bytes (0, NULL, REGISTER_BYTES);
}
Otherwise, REGNO specifies which register (so we can save time). */
/* FIXME, look at REGNO to save time here */
+static void
vx_write_register (regno)
int regno;
{
- struct regs inferior_registers;
- struct fp_status inferior_fp_registers;
+ C_bytes in_data;
+ C_bytes out_data;
extern char registers[];
int status;
Rptrace ptrace_in;
bzero ((char *) &ptrace_in, sizeof (ptrace_in));
bzero ((char *) &ptrace_out, sizeof (ptrace_out));
-#ifdef I80960
+ ptrace_in.pid = inferior_pid;
+ ptrace_in.info.ttype = DATA;
+ ptrace_in.info.more_data = (caddr_t) &in_data;
- bcopy (®isters[REGISTER_BYTE (R0_REGNUM)],
- (char *) inferior_registers.r_lreg, 16 * sizeof (int));
- bcopy (®isters[REGISTER_BYTE (G0_REGNUM)],
- (char *) inferior_registers.r_greg, 16 * sizeof (int));
+ in_data.bytes = registers;
- /* Don't assume that a location in registers[] is properly aligned. */
+#ifdef I80960
- bcopy (®isters[REGISTER_BYTE (PCW_REGNUM)],
- (char *) &inferior_registers.r_pcw, sizeof (int));
- bcopy (®isters[REGISTER_BYTE (ACW_REGNUM)],
- (char *) &inferior_registers.r_acw, sizeof (int));
- bcopy (®isters[REGISTER_BYTE (TCW_REGNUM)],
- (char *) &inferior_registers.r_tcw, sizeof (int));
+ in_data.len = (16 + 16 + 3) * sizeof (REGISTER_TYPE);
#else /* not 960 -- assume 68k -- FIXME */
- bcopy (registers, &inferior_registers, 16 * 4);
- inferior_registers.r_ps = *(int *)®isters[REGISTER_BYTE (PS_REGNUM)];
- inferior_registers.r_pc = *(int *)®isters[REGISTER_BYTE (PC_REGNUM)];
+ in_data.len = 18 * sizeof (REGISTER_TYPE);
#endif /* Different register sets */
- ptrace_in.pid = inferior_pid;
- ptrace_in.info.ttype = REGS;
- ptrace_in.info.more_data = (caddr_t) &inferior_registers;
-
/* XXX change second param to be a proc number */
status = net_ptrace_clnt_call (PTRACE_SETREGS, &ptrace_in, &ptrace_out);
if (status)
if (ptrace_out.status == -1)
{
errno = ptrace_out.errno;
- return -1;
+ perror_with_name ("net_ptrace_clnt_call(PTRACE_SETREGS)");
}
/* Store floating point registers if the target has them. */
if (target_has_fp)
{
-#ifdef I80960
+ ptrace_in.pid = inferior_pid;
+ ptrace_in.info.ttype = DATA;
+ ptrace_in.info.more_data = (caddr_t) &in_data;
- bcopy (®isters[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers,
- sizeof inferior_fp_registers.fps_regs);
+#ifdef I80960
+#if 0 /* @@ Not supported by target. */
+ in_data.bytes = ®isters[REGISTER_BYTE (FP0_REGNUM)];
+ in_data.len = 4 * REGISTER_RAW_SIZE (FP0_REGNUM);
+#endif
#else /* not 960 -- assume 68k -- FIXME */
- bcopy (®isters[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers,
- sizeof inferior_fp_registers.fps_regs);
- bcopy (®isters[REGISTER_BYTE (FPC_REGNUM)],
- &inferior_fp_registers.fps_control,
- sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs);
+ in_data.bytes = ®isters[REGISTER_BYTE (FP0_REGNUM)];
+ in_data.len = (8 * REGISTER_RAW_SIZE (FP0_REGNUM)
+ + (3 * sizeof (REGISTER_TYPE)));
#endif /* Different register sets */
- ptrace_in.pid = inferior_pid;
- ptrace_in.info.ttype = FPREGS;
- ptrace_in.info.more_data = (caddr_t) &inferior_fp_registers;
-
status = net_ptrace_clnt_call (PTRACE_SETFPREGS, &ptrace_in, &ptrace_out);
if (status)
error (rpcerr);
if (ptrace_out.status == -1)
{
errno = ptrace_out.errno;
- return -1;
+ perror_with_name ("net_ptrace_clnt_call(PTRACE_SETFPREGS)");
}
}
- return 0;
}
/* Copy LEN bytes to or from remote inferior's memory starting at MEMADDR
handle the current address but can handle one N bytes further, but
vxworks doesn't give us that information. */
-int
+static int
vx_xfer_memory (memaddr, myaddr, len, write, target)
CORE_ADDR memaddr;
char *myaddr;
return len; /* Moved *all* the bytes */
}
-void
+static void
vx_files_info ()
{
printf ("\tAttached to host `%s'", vx_host);
printf (".\n");
}
-void
+static void
vx_run_files_info ()
{
- printf ("\tRunning %s VxWorks process 0x%x",
+ printf ("\tRunning %s VxWorks process %s",
vx_running? "child": "attached",
- inferior_pid);
+ local_hex_string(inferior_pid));
if (vx_running)
printf (", function `%s'", vx_running);
printf(".\n");
}
-void
+static void
vx_resume (step, siggnal)
int step;
int siggnal;
}
}
-void
+static void
vx_mourn_inferior ()
{
pop_target (); /* Pop back to no-child state */
\f
/* This function allows the addition of incrementally linked object files. */
-void
+static void
vx_load_command (arg_string, from_tty)
char* arg_string;
int from_tty;
immediate_quit--;
/* FIXME, for now we ignore data_addr and bss_addr. */
- symbol_file_add (arg_string, from_tty, text_addr, 0);
+ symbol_file_add (arg_string, from_tty, text_addr, 0, 0, 0);
}
#ifdef FIXME /* Not ready for prime time */
NULL, memory for the buffer will be allocated by XDR.
Returns -1 if rpc failed, 0 otherwise. */
-int
+static int
net_get_boot_file (pBootFile)
char **pBootFile;
{
There's no way to check if the returned loadTable is correct.
VxWorks doesn't check it. */
-int
+static int
net_get_symbols (pLoadTable)
ldtabl *pLoadTable; /* return pointer to ldtabl here */
{
struct complaint cant_contact_target =
{"Lost contact with VxWorks target", 0, 0};
-int
+static int
vx_lookup_symbol (name, pAddr)
char *name; /* symbol name */
CORE_ADDR *pAddr;
Returns 1 if target has floating point processor, 0 otherwise.
Calls error() if rpc fails. */
-int
+static int
net_check_for_fp ()
{
enum clnt_stat status;
/* Establish an RPC connection with the VxWorks target system.
Calls error () if unable to establish connection. */
-void
+static void
net_connect (host)
char *host;
{
sleep_ms (200); /* FIXME Don't kill the network too badly */
}
else if (pid != inferior_pid)
- fatal ("Bad pid for debugged task: 0x%x\n", pid);
+ fatal ("Bad pid for debugged task: %s\n", local_hex_string(pid));
} while (pid == 0);
/* FIXME, eventually do more then SIGTRAP on everything... */
case EVENT_ZERO_DIV: /* Division by zero */
WSETSTOP (w, SIGFPE); /* Like Unix, call it a float exception. */
+ break;
case EVENT_SIGNAL:
/* The target is not running Unix, and its
\f
static int
symbol_stub (arg)
- int arg;
+ char *arg;
{
- char *bootFile = (char *)arg;
- symbol_file_command (bootFile, 0);
+ symbol_file_command (arg, 0);
return 1;
}
static int
add_symbol_stub (arg)
- int arg;
+ char *arg;
{
struct ldfile *pLoadFile = (struct ldfile *)arg;
printf("\t%s: ", pLoadFile->name);
- symbol_file_add (pLoadFile->name, 0, pLoadFile->txt_addr, 0);
+ symbol_file_add (pLoadFile->name, 0, pLoadFile->txt_addr, 0, 0, 0);
printf ("ok\n");
return 1;
}
{
if (*bootFile) {
printf_filtered ("\t%s: ", bootFile);
- if (catch_errors (symbol_stub, (int)bootFile,
- "Error reading symbols from boot file"))
+ if (catch_errors (symbol_stub, bootFile,
+ "Error while reading symbols from boot file:\n"))
puts_filtered ("ok\n");
} else if (from_tty)
printf ("VxWorks kernel symbols not loaded.\n");
/* Botches, FIXME:
(1) Searches the PATH, not the source path.
(2) data and bss are assumed to be at the usual offsets from text. */
- catch_errors (add_symbol_stub, (int)pLoadFile, (char *)0);
+ catch_errors (add_symbol_stub, (char *)pLoadFile, (char *)0);
#endif
}
printf_filtered ("Done.\n");
clnt_freeres (pClient, xdr_ldtabl, &loadTable);
}
\f
-/* attach_command --
- takes a task started up outside of gdb and ``attaches'' to it.
+/* Takes a task started up outside of gdb and ``attaches'' to it.
This stops it cold in its tracks and allows us to start tracing it. */
static void
Ptrace_return ptrace_out;
int status;
- dont_repeat();
-
if (!args)
error_no_arg ("process-id to attach");
error ("Invalid process-id -- give a single number in decimal or 0xhex");
if (from_tty)
- printf ("Attaching pid 0x%x.\n", pid);
+ printf ("Attaching pid %s.\n", local_hex_string(pid));
bzero ((char *)&ptrace_in, sizeof (ptrace_in));
bzero ((char *)&ptrace_out, sizeof (ptrace_out));
push_target (&vx_run_ops);
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
- based on what modes we are starting it with. */
- target_terminal_init ();
-
- /* Install inferior's terminal modes. */
- target_terminal_inferior ();
-
- /* We will get a task spawn event immediately. */
- init_wait_for_inferior ();
- clear_proceed_status ();
- stop_soon_quietly = 1;
- wait_for_inferior ();
- stop_soon_quietly = 0;
- normal_stop ();
}
error ("Argument given to VxWorks \"detach\".");
if (from_tty)
- printf ("Detaching pid 0x%x.\n", inferior_pid);
+ printf ("Detaching pid %s.\n", local_hex_string(inferior_pid));
if (args) /* FIXME, should be possible to leave suspended */
signal = atoi (args);
/* vx_kill -- takes a running task and wipes it out. */
static void
-vx_kill (args, from_tty)
- char *args;
- int from_tty;
+vx_kill ()
{
Rptrace ptrace_in;
Ptrace_return ptrace_out;
int status;
- if (args)
- error ("Argument given to VxWorks \"kill\".");
-
- if (from_tty)
- printf ("Killing pid 0x%x.\n", inferior_pid);
+ printf ("Killing pid %s.\n", local_hex_string(inferior_pid));
bzero ((char *)&ptrace_in, sizeof (ptrace_in));
bzero ((char *)&ptrace_out, sizeof (ptrace_out));
/* Clean up from the VxWorks process target as it goes away. */
-void
+static void
vx_proc_close (quitting)
int quitting;
{
vx_running = 0;
}
\f
-/* Cross-net conversion of floats to and from extended form.
- (This is needed because different target machines have different
- extended floating point formats.) */
-
-/* Convert from an extended float to a double.
-
- The extended float is stored as raw data pointed to by FROM.
- Return the converted value as raw data in the double pointed to by TO.
-*/
-
-static void
-vx_convert_to_virtual (regno, from, to)
- int regno;
- char *from;
- char *to;
-{
- enum clnt_stat status;
-
- if (REGISTER_CONVERTIBLE (regno))
- {
- if (!target_has_fp) {
- *(double *)to = 0.0; /* Skip the trouble if no float anyway */
- return;
- }
-
- status = net_clnt_call (VX_CONV_FROM_68881, xdr_ext_fp, from,
- xdr_double, to);
-
- if (status == RPC_SUCCESS)
- return;
- else
- error (rpcerr);
- }
- else
- bcopy (from, to, REGISTER_VIRTUAL_SIZE (regno));
-}
-
-
-/* The converse: convert from a double to an extended float.
-
- The double is stored as raw data pointed to by FROM.
- Return the converted value as raw data in the extended
- float pointed to by TO.
-*/
-
-static void
-vx_convert_from_virtual (regno, from, to)
- int regno;
- char *from;
- char *to;
-{
- enum clnt_stat status;
-
- if (REGISTER_CONVERTIBLE (regno))
- {
- if (!target_has_fp) {
- bzero (to, REGISTER_RAW_SIZE (FP0_REGNUM)); /* Shrug */
- return;
- }
-
- status = net_clnt_call (VX_CONV_TO_68881, xdr_double, from,
- xdr_ext_fp, to);
- if (status == RPC_SUCCESS)
- return;
- else
- error (rpcerr);
- }
- else
- bcopy (from, to, REGISTER_VIRTUAL_SIZE (regno));
-}
-\f
/* Make an RPC call to the VxWorks target.
Returns RPC status. */
/* Clean up before losing control. */
-void
+static void
vx_close (quitting)
int quitting;
{
vx_open, vx_close, vx_attach, 0, /* vx_detach, */
0, 0, /* resume, wait */
0, 0, /* read_reg, write_reg */
- 0, vx_convert_to_virtual, vx_convert_from_virtual, /* prep_to_store, */
+ 0, /* prep_to_store, */
vx_xfer_memory, vx_files_info,
0, 0, /* insert_breakpoint, remove_breakpoint */
0, 0, 0, 0, 0, /* terminal stuff */
0, /* vx_kill, */
vx_load_command,
- 0, /* call_function */
vx_lookup_symbol,
vx_create_inferior, 0, /* mourn_inferior */
+ 0, /* can_run */
+ 0, /* notice_signals */
core_stratum, 0, /* next */
1, 1, 0, 0, 0, /* all mem, mem, stack, regs, exec */
0, 0, /* Section pointers */
vx_proc_open, vx_proc_close, 0, vx_detach, /* vx_attach */
vx_resume, vx_wait,
vx_read_register, vx_write_register,
- vx_prepare_to_store, vx_convert_to_virtual, vx_convert_from_virtual,
+ vx_prepare_to_store,
vx_xfer_memory, vx_run_files_info,
vx_insert_breakpoint, vx_remove_breakpoint,
0, 0, 0, 0, 0, /* terminal stuff */
vx_kill,
vx_load_command,
- call_function_by_hand, /* FIXME, calling fns is maybe botched? */
vx_lookup_symbol,
0, vx_mourn_inferior,
+ 0, /* can_run */
+ 0, /* notice_signals */
process_stratum, 0, /* next */
0, 1, 1, 1, 1, /* all mem, mem, stack, regs, exec */
/* all_mem is off to avoid spurious msg in "i files" */
projects / deliverable / binutils-gdb.git / blobdiff