From 83d9bb1416873498a6eb2da72e01fcdcb51b6370 Mon Sep 17 00:00:00 2001 From: Kung Hsu Date: Mon, 16 Jan 1995 23:56:41 +0000 Subject: [PATCH] * Makefile.in: add new files remote-vx29k.c, config/a29k/tm-vx29k.h, and config/a29k/vx29k.mt. * configure.in: add new configuration a29k-*-vxworks. * remote-vx29k.c: new file merged from WRS. * remote-vx.c: merge changes from WRS. --- gdb/ChangeLog | 10 ++ gdb/Makefile.in | 10 +- gdb/configure.in | 2 + gdb/remote-vx.c | 290 +++++++++++++++++++++++++++++++---------------------- gdb/remote-vx29k.c | 169 +++++++++++++++++++++++++++++++ 5 files changed, 360 insertions(+), 121 deletions(-) create mode 100644 gdb/remote-vx29k.c diff --git a/gdb/ChangeLog b/gdb/ChangeLog index c94f4d0..a0e80c2 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,13 @@ +Mon Jan 16 15:43:29 1995 Kung Hsu + + * Makefile.in: add new files remote-vx29k.c, config/a29k/tm-vx29k.h, + and config/a29k/vx29k.mt. + * configure.in: add new configuration a29k-*-vxworks. + * remote-vx29k.c: new file merged from WRS. + * remote-vx.c: merge changes from WRS. + * config/a29k/vx29k.mt: new file for new configuration. + * config/a29k/tm-vx29k.h: new header file for newconfiguration. + Sun Jan 15 14:36:19 1995 Steve Chamberlain * breakpoint.h (disable_breakpoint, enable_breakpoint): diff --git a/gdb/Makefile.in b/gdb/Makefile.in index 764783b..6ee9449 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -898,7 +898,8 @@ ALLDEPFILES = 29k-share/udi/udip2soc.c 29k-share/udi/udr.c \ remote-hms.c remote-mips.c \ remote-mm.c remote-mon.c remote-nindy.c remote-os9k.c remote-sim.c \ remote-st.c remote-utils.c dcache.c \ - remote-udi.c remote-vx.c remote-z8k.c rs6000-nat.c rs6000-pinsn.c \ + remote-udi.c remote-vx.c remote-vx29k.c remote-z8k.c \ + rs6000-nat.c rs6000-pinsn.c \ rs6000-tdep.c ser-go32.c ser-tcp.c sh-tdep.c solib.c sparc-nat.c \ sparc-pinsn.c sparc-tdep.c sparcl-tdep.c sun3-nat.c sun386-nat.c \ symm-tdep.c symm-nat.c \ @@ -907,7 +908,7 @@ ALLDEPFILES = 29k-share/udi/udip2soc.c 29k-share/udi/udr.c \ vx-share/xdr_ld.c vx-share/xdr_ptrace.c vx-share/xdr_rdb.c \ xcoffread.c xcoffsolib.c z8k-tdep.c -ALLCONFIG = config/a29k/a29k-kern.mt config/a29k/a29k-udi.mt \ +ALLCONFIG = config/a29k/a29k-kern.mt config/a29k/a29k-udi.mt config/a29k/vx29k.mt\ config/a29k/a29k.mt config/a29k/ultra3.mh config/a29k/ultra3.mt \ config/alpha/alpha-osf1.mh config/alpha/alpha-osf2.mh \ config/alpha/alpha-osf1.mt config/alpha/alpha-nw.mt \ @@ -1351,6 +1352,11 @@ remote-vx.o: remote-vx.c $(wait_h) complaints.h $(defs_h) $(gdbcmd_h) \ vx-share/ptrace.h vx-share/xdr_ld.h vx-share/xdr_ptrace.h \ vx-share/xdr_rdb.h gdb-stabs.h objfiles.h symfile.h $(bfd_h) +remote-vx29k.o: remote-vx29k.c $(wait_h) complaints.h $(defs_h) $(gdbcmd_h) \ + $(gdbcore_h) $(inferior_h) target.h vx-share/dbgRpcLib.h \ + vx-share/ptrace.h vx-share/xdr_ld.h vx-share/xdr_ptrace.h \ + vx-share/xdr_rdb.h + remote-z8k.o: remote-z8k.c $(wait_h) $(srcdir)/../sim/z8k/sim.h \ $(defs_h) $(gdbcore_h) $(inferior_h) target.h terminal.h diff --git a/gdb/configure.in b/gdb/configure.in index 9afcd56..9c1e235 100644 --- a/gdb/configure.in +++ b/gdb/configure.in @@ -187,11 +187,13 @@ a29k-*-kern*) gdb_target=a29k-kern ;; a29k-*-none*) gdb_target=a29k ;; a29k-*-sym1*) gdb_target=ultra3 ;; a29k-*-udi*) gdb_target=a29k-udi ;; +a29k-*-vxworks*) gdb_target=vx29k ;; alpha-*-osf*) gdb_target=alpha-osf1 ;; alpha-*-netware*) gdb_target=alpha-nw configdirs="${configdirs} nlm" ;; +arc-*-*) gdb_target=arc ;; arm-*-*) gdb_target=arm ;; c1-*-*) gdb_target=convex ;; diff --git a/gdb/remote-vx.c b/gdb/remote-vx.c index 2de3bc5..7c2da88 100644 --- a/gdb/remote-vx.c +++ b/gdb/remote-vx.c @@ -56,9 +56,16 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include +/* Maximum number of bytes to transfer in a single + PTRACE_{READ,WRITE}DATA request. */ +#define VX_MEMXFER_MAX 4096 + +extern void vx_read_register (); +extern void vx_write_register (); extern void symbol_file_command (); extern int stop_soon_quietly; /* for wait_for_inferior */ +static int net_step (); static int net_ptrace_clnt_call (); /* Forward decl */ static enum clnt_stat net_clnt_call (); /* Forward decl */ extern struct target_ops vx_ops, vx_run_ops; /* Forward declaration */ @@ -72,7 +79,7 @@ static char *vx_running; /* Called function */ /* Nonzero means target that is being debugged remotely has a floating point processor. */ -static int target_has_fp; +int target_has_fp; /* Default error message when the network is forking up. */ @@ -340,7 +347,13 @@ net_wait (pEvent) status = net_clnt_call (PROCESS_WAIT, xdr_int, &pid, xdr_RDB_EVENT, pEvent); - return (status == RPC_SUCCESS)? pEvent->status: -1; + /* return (status == RPC_SUCCESS)? pEvent->status: -1; */ + if (status == RPC_SUCCESS) + return ((pEvent->status) ? 1 : 0); + else if (status == RPC_TIMEDOUT) + return (1); + else + return (-1); } /* Suspend the remote task. @@ -369,137 +382,100 @@ net_quit () /* Read a register or registers from the remote system. */ static void -vx_read_register (regno) - int regno; +net_read_registers (reg_buf, len, procnum) + char *reg_buf; + int len; + u_long procnum; { int status; Rptrace ptrace_in; Ptrace_return ptrace_out; - C_bytes in_data; C_bytes out_data; - extern char registers[]; + char message[100]; - memset ((char *) &ptrace_in, '\0', sizeof (ptrace_in)); - memset ((char *) &ptrace_out, '\0', sizeof (ptrace_out)); + bzero ((char *) &ptrace_in, sizeof (ptrace_in)); + bzero ((char *) &ptrace_out, sizeof (ptrace_out)); + + /* Initialize RPC input argument structure. */ - /* FIXME, eventually only get the ones we need. */ - registers_fetched (); - ptrace_in.pid = inferior_pid; + ptrace_in.info.ttype = NOINFO; + + /* Initialize RPC return value structure. */ + + out_data.bytes = reg_buf; + out_data.len = len; ptrace_out.info.more_data = (caddr_t) &out_data; - out_data.len = VX_NUM_REGS * REGISTER_RAW_SIZE (0); - out_data.bytes = (caddr_t) registers; - - status = net_ptrace_clnt_call (PTRACE_GETREGS, &ptrace_in, &ptrace_out); + + /* Call RPC; take an error exit if appropriate. */ + + status = net_ptrace_clnt_call (procnum, &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_GETREGS)"); - } - -#ifdef VX_SIZE_FPREGS - /* 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) &out_data; - out_data.len = VX_SIZE_FPREGS; - 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; - perror_with_name ("net_ptrace_clnt_call(PTRACE_GETFPREGS)"); - } - } - else - { - memset (®isters[REGISTER_BYTE (FP0_REGNUM)], '\0', VX_SIZE_FPREGS); + errno = ptrace_out.errno_val; + sprintf (message, "reading %s registers", (procnum == PTRACE_GETREGS) + ? "general-purpose" + : "floating-point"); + perror_with_name (message); } -#endif /* VX_SIZE_FPREGS */ -} - -/* Prepare to store registers. Since we will store all of them, - read out their current values now. */ - -static void -vx_prepare_to_store () -{ - /* Fetch all registers, if any of them are not yet fetched. */ - read_register_bytes (0, NULL, REGISTER_BYTES); } +/* Write register values to a VxWorks target. REG_BUF points to a buffer + containing the raw register values, LEN is the length of REG_BUF in + bytes, and PROCNUM is the RPC procedure number (PTRACE_SETREGS or + PTRACE_SETFPREGS). An error exit is taken if the RPC call fails or + if an error status is returned by the remote debug server. This is + a utility routine used by vx_write_register (). */ -/* Store our register values back into the inferior. - If REGNO is -1, do this for all registers. - 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; +void +net_write_registers (reg_buf, len, procnum) + char *reg_buf; + int len; + u_long procnum; { - C_bytes in_data; - C_bytes out_data; - extern char registers[]; int status; Rptrace ptrace_in; Ptrace_return ptrace_out; + C_bytes in_data; + char message[100]; - memset ((char *) &ptrace_in, '\0', sizeof (ptrace_in)); - memset ((char *) &ptrace_out, '\0', sizeof (ptrace_out)); + bzero ((char *) &ptrace_in, sizeof (ptrace_in)); + bzero ((char *) &ptrace_out, sizeof (ptrace_out)); + + /* Initialize RPC input argument structure. */ + + in_data.bytes = reg_buf; + in_data.len = len; ptrace_in.pid = inferior_pid; - ptrace_in.info.ttype = DATA; + ptrace_in.info.ttype = DATA; ptrace_in.info.more_data = (caddr_t) &in_data; - in_data.bytes = registers; - - in_data.len = VX_NUM_REGS * REGISTER_SIZE; + /* Call RPC; take an error exit if appropriate. */ - /* XXX change second param to be a proc number */ - status = net_ptrace_clnt_call (PTRACE_SETREGS, &ptrace_in, &ptrace_out); + status = net_ptrace_clnt_call (procnum, &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_SETREGS)"); + errno = ptrace_out.errno_val; + sprintf (message, "writing %s registers", (procnum == PTRACE_SETREGS) + ? "general-purpose" + : "floating-point"); + perror_with_name (message); } +} -#ifdef VX_SIZE_FPREGS - /* Store floating point registers if the target has them. */ - - if (target_has_fp) - { - ptrace_in.pid = inferior_pid; - ptrace_in.info.ttype = DATA; - ptrace_in.info.more_data = (caddr_t) &in_data; - - - in_data.bytes = ®isters[REGISTER_BYTE (FP0_REGNUM)]; - in_data.len = VX_SIZE_FPREGS; +/* Prepare to store registers. Since we will store all of them, + read out their current values now. */ - status = net_ptrace_clnt_call (PTRACE_SETFPREGS, &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_SETFPREGS)"); - } - } -#endif /* VX_SIZE_FPREGS */ +static void +vx_prepare_to_store () +{ + /* Fetch all registers, if any of them are not yet fetched. */ + read_register_bytes (0, NULL, REGISTER_BYTES); } /* Copy LEN bytes to or from remote inferior's memory starting at MEMADDR @@ -522,6 +498,7 @@ vx_xfer_memory (memaddr, myaddr, len, write, target) Rptrace ptrace_in; Ptrace_return ptrace_out; C_bytes data; + enum ptracereq request; memset ((char *) &ptrace_in, '\0', sizeof (ptrace_in)); memset ((char *) &ptrace_out, '\0', sizeof (ptrace_out)); @@ -537,28 +514,55 @@ vx_xfer_memory (memaddr, myaddr, len, write, target) data.bytes = (caddr_t) myaddr; /* Where from */ data.len = len; /* How many bytes (again, for XDR) */ - - /* XXX change second param to be a proc number */ - status = net_ptrace_clnt_call (PTRACE_WRITEDATA, &ptrace_in, - &ptrace_out); + request = PTRACE_WRITEDATA; } else { ptrace_out.info.more_data = (caddr_t) &data; - data.bytes = myaddr; /* Where to */ - data.len = len; /* How many (again, for XDR) */ - - /* XXX change second param to be a proc number */ - status = net_ptrace_clnt_call (PTRACE_READDATA, &ptrace_in, &ptrace_out); + request = PTRACE_READDATA; } + /* Loop until the entire request has been satisfied, transferring + at most VX_MEMXFER_MAX bytes per iteration. Break from the loop + if an error status is returned by the remote debug server. */ - if (status) - error (rpcerr); - if (ptrace_out.status == -1) + nleft = len; + status = 0; + + while (nleft > 0 && status == 0) { - return 0; /* No bytes moved */ + nxfer = min (nleft, VX_MEMXFER_MAX); + + ptrace_in.addr = (int) memaddr; + ptrace_in.data = nxfer; + data.bytes = (caddr_t) myaddr; + data.len = nxfer; + + /* Request a block from the remote debug server; if RPC fails, + report an error and return to debugger command level. */ + + if (net_ptrace_clnt_call (request, &ptrace_in, &ptrace_out)) + error (rpcerr); + + status = ptrace_out.status; + if (status == 0) + { + memaddr += nxfer; + myaddr += nxfer; + nleft -= nxfer; + } + else + { + /* A target-side error has ocurred. Set errno to the error + code chosen by the target so that a later perror () will + say something meaningful. */ + + errno = ptrace_out.errno_val; + } } - return len; /* Moved *all* the bytes */ + + /* Return the number of bytes transferred. */ + + return (len - nleft); } static void @@ -589,6 +593,7 @@ vx_resume (pid, step, siggnal) int status; Rptrace ptrace_in; Ptrace_return ptrace_out; + CORE_ADDR cont_addr; if (pid == -1) pid = inferior_pid; @@ -596,15 +601,29 @@ vx_resume (pid, step, siggnal) if (siggnal != 0 && siggnal != stop_signal) error ("Cannot send signals to VxWorks processes"); + /* Set CONT_ADDR to the address at which we are continuing, + or to 1 if we are continuing from where the program stopped. + This conforms to traditional ptrace () usage, but at the same + time has special meaning for the VxWorks remote debug server. + If the address is not 1, the server knows that the target + program is jumping to a new address, which requires special + handling if there is a breakpoint at the new address. */ + + cont_addr = read_register (PC_REGNUM); + if (cont_addr == stop_pc) + cont_addr = 1; + memset ((char *) &ptrace_in, '\0', sizeof (ptrace_in)); memset ((char *) &ptrace_out, '\0', sizeof (ptrace_out)); ptrace_in.pid = pid; - ptrace_in.addr = 1; /* Target side insists on this, or it panics. */ + ptrace_in.addr = cont_addr; /* Target side insists on this, or it panics. */ + + if (step) + status = net_step(); + else + status = net_ptrace_clnt_call (PTRACE_CONT, &ptrace_in, &ptrace_out); - /* XXX change second param to be a proc number */ - status = net_ptrace_clnt_call (step? PTRACE_SINGLESTEP: PTRACE_CONT, - &ptrace_in, &ptrace_out); if (status) error (rpcerr); if (ptrace_out.status == -1) @@ -719,6 +738,18 @@ vx_load_command (arg_string, from_tty) dont_repeat (); + /* Refuse to load the module if a debugged task is running. Doing so + can have a number of unpleasant consequences to the running task. */ + + if (inferior_pid != 0 && target_has_execution) + { + if (query ("You may not load a module while the target task is running.\n\ +Kill the target task? ")) + target_kill (); + else + error ("Load cancelled."); + } + QUIT; immediate_quit++; if (net_load (arg_string, &text_addr, &data_addr, &bss_addr) == -1) @@ -732,7 +763,6 @@ vx_load_command (arg_string, from_tty) reinit_frame_cache (); } -#ifdef FIXME /* Not ready for prime time */ /* Single step the target program at the source or machine level. Takes an error exit if rpc fails. Returns -1 if remote single-step operation fails, else 0. */ @@ -765,7 +795,6 @@ net_step () else error (rpcerr); } -#endif /* Emulate ptrace using RPC calls to the VxWorks target system. Returns nonzero (-1) if RPC status to VxWorks is bad, 0 otherwise. */ @@ -1228,6 +1257,29 @@ vx_attach (args, from_tty) in order for other parts of GDB to work correctly. */ 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 (); } diff --git a/gdb/remote-vx29k.c b/gdb/remote-vx29k.c new file mode 100644 index 0000000..519d930 --- /dev/null +++ b/gdb/remote-vx29k.c @@ -0,0 +1,169 @@ +/* Am29k-dependent portions of the RPC protocol + used with a VxWorks target + +Contributed by Wind River Systems. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include +#include "defs.h" + +#include "vx-share/regPacket.h" +#include "frame.h" +#include "inferior.h" +#include "wait.h" +#include "target.h" +#include "gdbcore.h" +#include "command.h" +#include "symtab.h" +#include "symfile.h" /* for struct complaint */ + +#include +#include +#include +#include +#include +#include +#include + +#ifdef _AIX /* IBM claims "void *malloc()" not char * */ +#define malloc bogon_malloc +#endif + +#include +#include /* UTek's doesn't #incl this */ +#include +#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" + +/* get rid of value.h if possible */ +#include +#include + +/* Flag set if target has fpu */ + +extern int target_has_fp; + +/* Generic register read/write routines in remote-vx.c. */ + +extern void net_read_registers (); +extern void net_write_registers (); + +/* Read a register or registers from the VxWorks target. + REGNO is the register to read, or -1 for all; currently, + it is ignored. FIXME look at regno to improve efficiency. */ + +void +vx_read_register (regno) + int regno; +{ + char am29k_greg_packet[AM29K_GREG_PLEN]; + char am29k_fpreg_packet[AM29K_FPREG_PLEN]; + + /* Get general-purpose registers. When copying values into + registers [], don't assume that a location in registers [] + is properly aligned for the target data type. */ + + net_read_registers (am29k_greg_packet, AM29K_GREG_PLEN, PTRACE_GETREGS); + + /* Now copy the register values into registers[]. + Note that this code depends on the ordering of the REGNUMs + as defined in "tm-29k.h". */ + + bcopy (&am29k_greg_packet[AM29K_R_GR96], + ®isters[REGISTER_BYTE (GR96_REGNUM)], 160 * AM29K_GREG_SIZE); + bcopy (&am29k_greg_packet[AM29K_R_VAB], + ®isters[REGISTER_BYTE (VAB_REGNUM)], 15 * AM29K_GREG_SIZE); + registers[REGISTER_BYTE (INTE_REGNUM)] = am29k_greg_packet[AM29K_R_INTE]; + bcopy (&am29k_greg_packet[AM29K_R_RSP], + ®isters[REGISTER_BYTE (GR1_REGNUM)], 5 * AM29K_GREG_SIZE); + + /* PAD For now, don't care about exop register */ + + bzero (®isters[REGISTER_BYTE (EXO_REGNUM)], 1 * AM29K_GREG_SIZE); + + /* 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) + { + net_read_registers (am29k_fpreg_packet, AM29K_FPREG_PLEN, + PTRACE_GETFPREGS); + registers[REGISTER_BYTE (FPE_REGNUM)] = am29k_fpreg_packet[AM29K_R_FPE]; + registers[REGISTER_BYTE (FPS_REGNUM)] = am29k_fpreg_packet[AM29K_R_FPS]; + + /* PAD For now, don't care about registers (?) AI0 to q */ + + bzero (®isters[REGISTER_BYTE (161)], 21 * AM29K_FPREG_SIZE); + } + else + { + bzero (®isters[REGISTER_BYTE (FPE_REGNUM)], 1 * AM29K_FPREG_SIZE); + bzero (®isters[REGISTER_BYTE (FPS_REGNUM)], 1 * AM29K_FPREG_SIZE); + + /* PAD For now, don't care about registers (?) AI0 to q */ + + bzero (®isters[REGISTER_BYTE (161)], 21 * AM29K_FPREG_SIZE); + } + + /* Mark the register cache valid. */ + + registers_fetched (); +} + +/* Store a register or registers into the VxWorks target. + REGNO is the register to store, or -1 for all; currently, + it is ignored. FIXME look at regno to improve efficiency. */ + +void +vx_write_register (regno) + int regno; +{ + char am29k_greg_packet[AM29K_GREG_PLEN]; + char am29k_fpreg_packet[AM29K_FPREG_PLEN]; + + /* Store general purpose registers. When copying values from + registers [], don't assume that a location in registers [] + is properly aligned for the target data type. */ + + bcopy (®isters[REGISTER_BYTE (GR96_REGNUM)], + &am29k_greg_packet[AM29K_R_GR96], 160 * AM29K_GREG_SIZE); + bcopy (®isters[REGISTER_BYTE (VAB_REGNUM)], + &am29k_greg_packet[AM29K_R_VAB], 15 * AM29K_GREG_SIZE); + am29k_greg_packet[AM29K_R_INTE] = registers[REGISTER_BYTE (INTE_REGNUM)]; + bcopy (®isters[REGISTER_BYTE (GR1_REGNUM)], + &am29k_greg_packet[AM29K_R_RSP], 5 * AM29K_GREG_SIZE); + + net_write_registers (am29k_greg_packet, AM29K_GREG_PLEN, PTRACE_SETREGS); + + /* Store floating point registers if the target has them. */ + + if (target_has_fp) + { + am29k_fpreg_packet[AM29K_R_FPE] = registers[REGISTER_BYTE (FPE_REGNUM)]; + am29k_fpreg_packet[AM29K_R_FPS] = registers[REGISTER_BYTE (FPS_REGNUM)]; + + net_write_registers (am29k_fpreg_packet, AM29K_FPREG_PLEN, + PTRACE_SETFPREGS); + } +} + -- 2.7.4