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unneback |
/*
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**********************************************************************
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*
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* Component: RDBG servers
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* Module: remdeb.x
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*
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* Synopsis: XDR definitions for remote debug server RPC calls.
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* XDR definitions for RPCGEN to build remote debug server.
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*
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* $Id: remdeb.x,v 1.2 2001-09-27 12:02:01 chris Exp $
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*
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**********************************************************************
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*/
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#ifdef RPC_SVC
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%/*HEADER_START*/
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#endif
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%#define RTEMS_PORT 2071
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%#define RTEMS_BACK_PORT 2073
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#ifdef RPC_HDR
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%#ifndef REMDEB_H
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%#define RPCGENSRVNAME(a) a
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#endif
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enum rpc_type {
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SUNRPC = 0,
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BADRPCTYPE = 25
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};
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const NET_SAFE = 1400; /* this is safe for UDP messages */
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struct UDP_MSG
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{ /* format of UDP messages (should be in .h) */
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unsigned char type; /* type of message (BMSG_xx) */
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unsigned char msg_num; /* ringed number for resend detect */
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unsigned short spec; /* specific information for type */
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long pid; /* process this affects */
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unsigned long context; /* specific information to request */
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};
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/* First we support the overhead structures and types needed for RPC
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requests. Then, we have all RPC routines input/output args. */
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%/*
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% * Sun request values for the remote ptrace system call
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% */
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%
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enum ptracereq
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{ /* these match PTRACE_xxx numbers */
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RPT_TRACEME = 0, /* 0, by tracee to begin tracing */
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RPT_CHILDDONE = 0, /* 0, tracee is done with his half */
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RPT_PEEKTEXT, /* 1, read word from text segment */
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RPT_PEEKDATA, /* 2, read word from data segment */
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RPT_PEEKUSER, /* 3, read word from user struct */
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RPT_POKETEXT, /* 4, write word into text segment */
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RPT_POKEDATA, /* 5, write word into data segment */
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RPT_POKEUSER, /* 6, write word into user struct */
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RPT_CONT, /* 7, continue process */
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RPT_KILL, /* 8, terminate process */
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RPT_SINGLESTEP, /* 9, single step process */
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RPT_ATTACH, /* 10, attach to an existing process (returns 2 if not primary)*/
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RPT_DETACH, /* 11, detach from a process */
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RPT_GETREGS, /* 12, get all registers */
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RPT_SETREGS, /* 13, set all registers */
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RPT_GETFPREGS, /* 14, get all floating point regs */
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RPT_SETFPREGS, /* 15, set all floating point regs */
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RPT_READDATA, /* 16, read data segment */
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RPT_WRITEDATA, /* 17, write data segment */
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RPT_READTEXT, /* 18, read text segment */
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RPT_WRITETEXT, /* 19, write text segment */
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RPT_GETFPAREGS, /* 20, get all fpa regs */
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RPT_SETFPAREGS, /* 21, set all fpa regs */
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RPT_22, /* 22, filler */
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RPT_23, /* 23, filler */
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RPT_SYSCALL, /* 24, trap next sys call */
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RPT_DUMPCORE, /* 25, dump process core */
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RPT_26, /* 26, filler */
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RPT_27, /* 27, filler */
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RPT_28, /* 28, filler */
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RPT_GETUCODE, /* 29, get u.u_code */
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/* Begin specific ptrace options */
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RPT_GETTARGETTHREAD = 50, /* get PM target thread identifier */
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RPT_SETTARGETTHREAD = 51, /* set PM target thread identifier */
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RPT_THREADSUSPEND = 52, /* suspend a thread */
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RPT_THREADRESUME = 53, /* resume a thread */
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RPT_THREADLIST = 54, /* get list of process's threads */
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RPT_GETTHREADNAME = 55, /* get the name of the thread */
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RPT_SETTHREADNAME = 56, /* set the name of the thread */
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RPT_SETTHREADREGS = 57, /* set all registers for a specific thread*/
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RPT_GETTHREADREGS = 58, /* get all registers for a specific thread*/
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/* Begin extended ptrace options for remote debug server */
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RPT_STEPRANGE = 75, /* step while in range (addr=start, data=len) */
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RPT_CONTTO = 76, /* cont from PC to temp break in addr */
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RPT_SETBREAK = 77, /* set a breakpoint (addr=break) */
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RPT_CLRBREAK = 78, /* clear a breakpoint (data=handle or 0 for all) */
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RPT_GETBREAK = 79, /* get breakpoint (data=handle, addr=buffer to
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fill). Returns next break. If data=0,
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returns number of breaks. */
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RPT_GETNAME = 80, /* get name of process (data 0=name, 1=path
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as started, 2=fullpath). Return in addr
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as mem) */
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RPT_STOP = 81, /* (C-actors) Stop the C-actor */
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RPT_PGETREGS = 82, /* portable version */
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RPT_PSETREGS = 83, /* portable version */
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RPT_PSETTHREADREGS = 84, /* portable version */
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RPT_PGETTHREADREGS = 85 /* portable version */
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};
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#include FRONTEND
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const MAXDEBUGGEE= 150;
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const NAMEMAX = 17;
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% /*
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% * Memory data for read/write text or data. The size is in data. The target
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% * addr is in the addr field.
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% * Be careful before modifying because this value goes into internal
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% * pipes and is allocated on stack too. Pipes and/or the stack could
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% * become too small if this value gets incremented.
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% */
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const MEM_DATA_MAX = 256;
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#ifndef RPC_XDR
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struct xdr_mem {
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u_long addr;
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u_int dataNb;
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unsigned char data[MEM_DATA_MAX];
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};
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#else
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/* manually define best XDR function for this */
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%bool_t xdr_xdr_mem(xdrs, objp)
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% XDR *xdrs;
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% struct xdr_mem *objp;
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%{
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% if (!xdr_u_long(xdrs, &objp->addr)) {
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% return (FALSE);
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% }
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% if (!xdr_u_int(xdrs, &objp->dataNb)) {
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% return(FALSE);
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% }
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% return (xdr_opaque(xdrs, objp->data, objp->dataNb));
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%}
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#endif
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/* Breakpoint structure maps to same structure on host. Do not change one
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without changing the other. */
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enum break_type
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{ /* types of breakpoints */
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BRKT_NONE, /* unused entry */
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BRKT_INSTR, /* general instruction break */
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BRKT_READ, /* read break */
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BRKT_WRITE, /* write breakpoint */
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BRKT_ACCESS, /* read-or-write break */
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BRKT_EXEC, /* execution HW breakpoint */
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BRKT_OS_CALL, /* break on OS call, addr is call number */
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BRKT_OS_SWITCH, /* dispatch breakpoint */
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BRKT_STEPEMUL /* emulate hardware single-step */
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};
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const MAX_THRD_BRK = 4; /* enough for 128 threads per process */
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struct xdr_break
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{ /* one per process local breakpoint */
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u_char type; /* BRKT_xxx type of break */
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u_char thread_spec; /* 0=all, else count of threads it affects */
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u_short handle; /* handle of breakpoint returned */
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u_long ee_loc; /* address of start */
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u_long ee_type; /* type/method of address */
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u_short length; /* length of break if range, else 0 */
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u_char pass_count; /* pass count to initialize to (0=none) */
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u_char curr_pass; /* pass count current value */
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u_long thread_list[MAX_THRD_BRK]; /* bit map for thread list */
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}; /* 20 bytes+4 per thread_list (4x4=16) = 36 */
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const UTHREAD_MAX = 64;
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const THREADNAMEMAX = 16;
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typedef string thread_name ;
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struct KernThread {
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unsigned int threadLi;
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};
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#ifndef RPC_XDR
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#ifdef RPC_HDR
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%typedef KernThread *ptThreadList;
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#endif
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struct thread_list {
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unsigned int nbThread;
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ptThreadList threads;
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};
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#else /* RPC_XDR */
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/* must write this function by hand */
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%bool_t xdr_thread_list(xdrs, objp)
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% XDR *xdrs;
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% struct thread_list *objp;
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%{
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% return (xdr_array(xdrs, (char**)&objp->threads, &objp->nbThread,
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% UTHREAD_MAX, sizeof(KernThread), xdr_KernThread));
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%}
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#endif /* not RPC_XDR */
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union ptrace_addr_data_in switch (ptracereq req) {
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/*
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* due to rpcgen poor features, we cannot put RPC_SETREGS
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* AND RPC_SETTHREADREGS in the case list. So we use a hack (FIX rpcgen).
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*/
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#ifndef RPC_HDR
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case RPT_SETTHREADREGS :
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xdr_regs regs;
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#endif
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case RPT_SETREGS:
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xdr_regs regs;
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#ifndef RPC_HDR
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case RPT_PSETTHREADREGS:
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u_int pregs<>;
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#endif
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case RPT_PSETREGS:
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u_int pregs<>;
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#ifdef LATER
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case RPT_SETFPREGS:
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xdr_fp_status fpregs;
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#endif
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case RPT_SETTHREADNAME:
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thread_name name;
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#ifndef RPC_HDR
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case RPT_WRITETEXT:
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xdr_mem mem;
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#endif
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case RPT_WRITEDATA:
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xdr_mem mem;
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case RPT_SETBREAK:
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xdr_break breakp;
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default:
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u_int address;
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};
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union ptrace_addr_data_out switch (ptracereq req) {
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case RPT_GETREGS:
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xdr_regs regs;
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#ifndef RPC_HDR
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case RPT_GETTHREADREGS:
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xdr_regs regs;
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#endif
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case RPT_PGETREGS:
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u_int pregs<>;
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| 265 |
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#ifndef RPC_HDR
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case RPT_PGETTHREADREGS:
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u_int pregs<>;
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#endif
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| 270 |
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#ifdef LATER
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| 271 |
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case RPT_GETFPREGS:
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xdr_fp_status fpregs;
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#endif
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case RPT_THREADLIST:
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thread_list threads;
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case RPT_GETTHREADNAME:
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thread_name name;
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| 278 |
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#ifndef RPC_HDR
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| 279 |
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case RPT_READTEXT:
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xdr_mem mem;
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case RPT_GETNAME:
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xdr_mem mem;
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#endif
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| 284 |
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case RPT_READDATA:
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xdr_mem mem;
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case RPT_GETBREAK:
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xdr_break breakp;
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default:
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u_int addr;
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| 290 |
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};
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typedef opaque CHAR_DATA ; /* variable sized data */
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const XRY_MAX_INST_BUFF = 128;
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const XRY_MAX_INSTANCES = 16;
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%#ifndef XRY_MAX_CMD_STR
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| 297 |
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const XRY_MAX_CMD_STR = 320; /* XRY_MAX_INST_BUFF+(XRY_MAX_INSTANCES*12) */
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| 298 |
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%#endif /* REMDEB_H */
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| 299 |
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| 300 |
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| 301 |
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struct xry_inst
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| 302 |
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{
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| 303 |
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unsigned char flags; /* value2 interp, etc. INFL_xxx */
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| 304 |
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unsigned char type; /* base type of data (str, val, etc) INST_xxx */
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| 305 |
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unsigned char sub_type; /* specific type (task, res, etc). This is
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| 306 |
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set and defined by the user defined instance
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| 307 |
|
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processor and not the auto-processor */
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| 308 |
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unsigned char res_type;
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| 309 |
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u_long value; /* pointer to value or value itself */
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| 310 |
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u_long value2; /* second value (optional - based on flags) */
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| 311 |
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};
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| 313 |
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struct instance
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{
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| 315 |
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struct xry_inst instances[XRY_MAX_INSTANCES];
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| 316 |
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unsigned char buffer[XRY_MAX_INST_BUFF];
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| 317 |
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};
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| 318 |
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| 319 |
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union instance_union switch (bool instances)
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| 320 |
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{
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| 321 |
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case TRUE:
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| 322 |
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instance inst;
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| 323 |
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case FALSE:
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| 324 |
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string buffer ;
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| 325 |
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};
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| 326 |
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| 327 |
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typedef string one_arg ;
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| 328 |
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| 329 |
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const XRY_MAX_OBJ_NAME = 32; /* objname in some commands */
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| 330 |
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| 331 |
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% /* now open_connex() routine which establishes a connection to server */
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| 332 |
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| 333 |
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enum debug_type
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| 334 |
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{ /* type of connection requested */
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| 335 |
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DEBTYP_PROCESS = 0, /* process connection */
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| 336 |
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DEBTYP_C_ACTOR = 1, /* C-Actor connection */
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| 337 |
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DEBTYP_KERNEL = 2, /* kernel debug connection */
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| 338 |
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DEBTYP_OTHER = 3 /* other subsystem */
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| 339 |
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};
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| 340 |
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| 341 |
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%#define DEBUGGER_IS_GDB 0x2 /* */
|
| 342 |
|
|
|
| 343 |
|
|
struct open_in
|
| 344 |
|
|
{ /* input args to open a connection */
|
| 345 |
|
|
u_char back_port[16]; /* opaque NET address format */
|
| 346 |
|
|
u_short debug_type; /* type of process DEBTYP_xxx */
|
| 347 |
|
|
u_short flags; /* connection information OPNFLG_xxx */
|
| 348 |
|
|
u_char destination[16];/* opaque address if to router */
|
| 349 |
|
|
one_arg user_name; /* name of user on host */
|
| 350 |
|
|
};
|
| 351 |
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|
| 352 |
|
|
struct open_out
|
| 353 |
|
|
{ /* return from open_connex */
|
| 354 |
|
|
u_long port; /* connection number to server or -1 if error */
|
| 355 |
|
|
u_int pad[4]; /* Planned to be KnIpcDest. Never used */
|
| 356 |
|
|
u_int fp; /* True if floating point processor. If error,
|
| 357 |
|
|
set to errno for open error. */
|
| 358 |
|
|
u_char cmd_table_num; /* command table used */
|
| 359 |
|
|
u_char cmd_table_vers; /* version of command table */
|
| 360 |
|
|
u_short server_vers; /* version number of server itself */
|
| 361 |
|
|
};
|
| 362 |
|
|
|
| 363 |
|
|
% /* now close_connex() routine which detaches from server */
|
| 364 |
|
|
|
| 365 |
|
|
enum close_control
|
| 366 |
|
|
{ /* choice of how to handle owned processes */
|
| 367 |
|
|
CLOSE_IGNORE = 0, /* ignore all controlled pids on close */
|
| 368 |
|
|
CLOSE_KILL = 1, /* kill all controlled pids on close */
|
| 369 |
|
|
CLOSE_DETACH = 2 /* detach free running all controlled pids */
|
| 370 |
|
|
};
|
| 371 |
|
|
|
| 372 |
|
|
struct close_in
|
| 373 |
|
|
{ /* arg to close connection */
|
| 374 |
|
|
close_control control; /* shutdown of owned processes control */
|
| 375 |
|
|
};
|
| 376 |
|
|
|
| 377 |
|
|
% /* now send_signal() routine which sends signals to processes like kill(2) */
|
| 378 |
|
|
|
| 379 |
|
|
struct signal_in
|
| 380 |
|
|
{ /* input to send_signal */
|
| 381 |
|
|
int pid; /* process/actor to send signal to */
|
| 382 |
|
|
int sig; /* signal to send (from /usr/include/signal.h) */
|
| 383 |
|
|
};
|
| 384 |
|
|
|
| 385 |
|
|
struct signal_out
|
| 386 |
|
|
{ /* return from send_signal */
|
| 387 |
|
|
int kill_return; /* return code from kill(2) call */
|
| 388 |
|
|
int errNo; /* error code if failed */
|
| 389 |
|
|
};
|
| 390 |
|
|
|
| 391 |
|
|
|
| 392 |
|
|
% /* now wait_info() routine which returns results of polling the wait status
|
| 393 |
|
|
% of a process/actor. It may return 0 if running, else pid or -1 */
|
| 394 |
|
|
|
| 395 |
|
|
enum stop_code
|
| 396 |
|
|
{ /* stop code information */
|
| 397 |
|
|
STOP_ERROR = 0, /* error, errno set */
|
| 398 |
|
|
STOP_NONE = 1, /* not stopped */
|
| 399 |
|
|
STOP_UNKNOWN = 2, /* unknown stop reason */
|
| 400 |
|
|
STOP_BREAK = 3, /* stopped on breakpoint */
|
| 401 |
|
|
STOP_STEP = 4, /* stopped on step */
|
| 402 |
|
|
STOP_SIGNAL = 5, /* stopped on signal receieve */
|
| 403 |
|
|
STOP_TERM_EXIT = 6, /* terminated normally */
|
| 404 |
|
|
STOP_TERM_SIG = 7, /* terminated by signal */
|
| 405 |
|
|
STOP_DETACHED = 8, /* detached from server */
|
| 406 |
|
|
STOP_KILLED = 9, /* killed by ptrace KILL */
|
| 407 |
|
|
STOP_SPAWN_FAILED = 10 /* spawn failed in exec part, handle=errno */
|
| 408 |
|
|
};
|
| 409 |
|
|
|
| 410 |
|
|
struct wait_in
|
| 411 |
|
|
{ /* input arg to wait is process */
|
| 412 |
|
|
int pid; /* process/actor id */
|
| 413 |
|
|
};
|
| 414 |
|
|
|
| 415 |
|
|
struct wait_out
|
| 416 |
|
|
{ /* result of wait_info call */
|
| 417 |
|
|
int wait_return; /* -1=error,0=running,pid=stopped */
|
| 418 |
|
|
int errNo; /* error code if error */
|
| 419 |
|
|
int status; /* wait(2) status if stopped */
|
| 420 |
|
|
stop_code reason; /* reason in more abstracted terms */
|
| 421 |
|
|
int handle; /* handle of break if stopped on break,
|
| 422 |
|
|
or signal number or exit code */
|
| 423 |
|
|
u_long PC; /* program counter if stopped */
|
| 424 |
|
|
u_long SP; /* stack pointer if stopped */
|
| 425 |
|
|
u_long FP; /* frame pointer if stopped */
|
| 426 |
|
|
u_long thread; /* thread that stopped if applies (else -1) */
|
| 427 |
|
|
};
|
| 428 |
|
|
|
| 429 |
|
|
% /* now ptrace() routine. This matches the Sun UNIX ptrace as well as
|
| 430 |
|
|
% some additions */
|
| 431 |
|
|
|
| 432 |
|
|
const PTRFLG_FORCE = 1; /* when set and process running, forces process
|
| 433 |
|
|
to stop, make the request, then start again.
|
| 434 |
|
|
This is used for breakpoints and the like */
|
| 435 |
|
|
const PTRFLG_NON_OWNER = 2; /* do request even if not primary owner (will
|
| 436 |
|
|
notify all owners including caller if owns) */
|
| 437 |
|
|
const PTRFLG_FREE = 4; /* free pid_list after KILL/DETACH */
|
| 438 |
|
|
|
| 439 |
|
|
const PTRDET_UNOWN = 0x100; /* data value in RPT_DETACH just disconnects
|
| 440 |
|
|
caller as an owner of process. */
|
| 441 |
|
|
|
| 442 |
|
|
struct ptrace_in
|
| 443 |
|
|
{ /* input args matches ptrace but for XDR */
|
| 444 |
|
|
int pid; /* process to act on */
|
| 445 |
|
|
ptrace_addr_data_in addr; /* mappings for addr and addr2 */
|
| 446 |
|
|
u_int data; /* simple data arg of ptrace */
|
| 447 |
|
|
u_int flags; /* mask of PTRFLG_xxx flags. */
|
| 448 |
|
|
};
|
| 449 |
|
|
|
| 450 |
|
|
struct ptrace_out
|
| 451 |
|
|
{ /* return information from ptrace */
|
| 452 |
|
|
ptrace_addr_data_out addr; /* return through addr/addr2 */
|
| 453 |
|
|
int result; /* result of ptrace call (return value) */
|
| 454 |
|
|
int errNo; /* error code if error */
|
| 455 |
|
|
};
|
| 456 |
|
|
|
| 457 |
|
|
/* Data for GET_GLOBAL_SYMBOLS */
|
| 458 |
|
|
struct one_symbol { /* Must match common/src/lib/ctx/ctx.h */
|
| 459 |
|
|
string symbolName<>;
|
| 460 |
|
|
long symbolValue;
|
| 461 |
|
|
};
|
| 462 |
|
|
|
| 463 |
|
|
typedef one_symbol all_symbols<>;
|
| 464 |
|
|
|
| 465 |
|
|
struct get_global_symbols_out {
|
| 466 |
|
|
all_symbols symbols;
|
| 467 |
|
|
};
|
| 468 |
|
|
|
| 469 |
|
|
/* Data for GET_TEXT_DATA */
|
| 470 |
|
|
struct get_text_data_in {
|
| 471 |
|
|
int pid; /* process/actor id if non-zero */
|
| 472 |
|
|
string actorName<16>; /* actor name for system mode */
|
| 473 |
|
|
};
|
| 474 |
|
|
|
| 475 |
|
|
struct get_text_data_out {
|
| 476 |
|
|
int result;
|
| 477 |
|
|
int errNo;
|
| 478 |
|
|
u_long textStart;
|
| 479 |
|
|
u_long textSize;
|
| 480 |
|
|
u_long dataStart;
|
| 481 |
|
|
u_long dataSize;
|
| 482 |
|
|
};
|
| 483 |
|
|
|
| 484 |
|
|
/* Data for GET_SIGNAL_NAMES */
|
| 485 |
|
|
struct one_signal {
|
| 486 |
|
|
u_int number;
|
| 487 |
|
|
string name<>;
|
| 488 |
|
|
};
|
| 489 |
|
|
|
| 490 |
|
|
typedef one_signal all_signals<>;
|
| 491 |
|
|
|
| 492 |
|
|
struct get_signal_names_out {
|
| 493 |
|
|
all_signals signals;
|
| 494 |
|
|
};
|
| 495 |
|
|
|
| 496 |
|
|
% /* now define the actual calls we support */
|
| 497 |
|
|
|
| 498 |
|
|
program REMOTEDEB {
|
| 499 |
|
|
version REMOTEVERS {
|
| 500 |
|
|
|
| 501 |
|
|
/* open a connection to server or router */
|
| 502 |
|
|
open_out
|
| 503 |
|
|
OPEN_CONNEX(open_in) = 1;
|
| 504 |
|
|
|
| 505 |
|
|
/* send a signal to a process */
|
| 506 |
|
|
signal_out
|
| 507 |
|
|
SEND_SIGNAL(signal_in) = 2;
|
| 508 |
|
|
|
| 509 |
|
|
/* all routines below require a connection first */
|
| 510 |
|
|
|
| 511 |
|
|
/* close the connection to the server */
|
| 512 |
|
|
void
|
| 513 |
|
|
CLOSE_CONNEX(close_in) = 10;
|
| 514 |
|
|
|
| 515 |
|
|
/* process ptrace request */
|
| 516 |
|
|
ptrace_out
|
| 517 |
|
|
PTRACE(ptrace_in) = 11;
|
| 518 |
|
|
|
| 519 |
|
|
/* poll for status of process */
|
| 520 |
|
|
wait_out
|
| 521 |
|
|
WAIT_INFO(wait_in) = 13;
|
| 522 |
|
|
|
| 523 |
|
|
get_signal_names_out
|
| 524 |
|
|
GET_SIGNAL_NAMES(void) = 17;
|
| 525 |
|
|
|
| 526 |
|
|
} = 2; /* now version 2 */
|
| 527 |
|
|
} = 0x20000fff;
|
| 528 |
|
|
|
| 529 |
|
|
#ifdef RPC_HDR
|
| 530 |
|
|
%#define REMDEB_H
|
| 531 |
|
|
%#endif
|
| 532 |
|
|
#endif
|
| 533 |
|
|
|
| 534 |
|
|
#ifdef RPC_SVC
|
| 535 |
|
|
|
| 536 |
|
|
%const char* names [] = {
|
| 537 |
|
|
% "NULLPROC", "OPEN_CONNEX", "SEND_SIGNAL", "name3",
|
| 538 |
|
|
% "name4", "name5", "name6", "name7",
|
| 539 |
|
|
% "name8", "name9", "CLOSE_CONNEX", "PTRACE",
|
| 540 |
|
|
% "name12", "WAIT_INFO", "name14", "name15",
|
| 541 |
|
|
% "name16", "GET_SIGNAL_NAMES", "name18"
|
| 542 |
|
|
%};
|
| 543 |
|
|
%
|
| 544 |
|
|
|
| 545 |
|
|
%/*HEADER_END*/
|
| 546 |
|
|
#endif
|
