From aa1dea489b949291b17222159fec817158258a92 Mon Sep 17 00:00:00 2001 From: Stu Grossman Date: Mon, 5 Oct 1992 23:19:59 +0000 Subject: [PATCH] * Makefile.in: Re-install 29K/UDI stuff. * remote-udi.c (udi_resume): Clean up. * (udi_wait): Rewrite, leave out bugs. * Add debugging code to print out all register fetches and stores. * Straighten out target_ops. * tm-29k.h (DUMMY_FRAME_RSIZE): Pad out to doubleword. --- gdb/ChangeLog | 9 ++ gdb/Makefile.in | 38 +++++- gdb/remote-udi.c | 305 ++++++++++++++++++++++++++++------------------- gdb/tm-29k.h | 2 +- 4 files changed, 226 insertions(+), 128 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 704d10bec64..c22a4aa9e13 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,12 @@ +Mon Oct 5 16:02:04 1992 Stu Grossman (grossman at cygnus.com) + + * Makefile.in: Re-install 29K/UDI stuff. + * remote-udi.c (udi_resume): Clean up. + * (udi_wait): Rewrite, leave out bugs. + * Add debugging code to print out all register fetches and stores. + * Straighten out target_ops. + * tm-29k.h (DUMMY_FRAME_RSIZE): Pad out to doubleword. + Mon Oct 5 09:46:44 1992 Ian Lance Taylor (ian@cygnus.com) * remote-udi.c (udi_create_inferior): run with no arguments should diff --git a/gdb/Makefile.in b/gdb/Makefile.in index 7b5bfd075f8..06279ece534 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -165,7 +165,7 @@ CDEPS = ${XM_CDEPS} ${TM_CDEPS} ${NAT_CDEPS} \ ADD_FILES = ${REGEX} ${ALLOCA} ${XM_ADD_FILES} ${TM_ADD_FILES} ${NAT_ADD_FILES} ADD_DEPS = ${REGEX1} ${ALLOCA1} ${XM_ADD_FILES} ${TM_ADD_FILES} ${NAT_ADD_FILES} -VERSION = 4.6.6 +VERSION = 4.6.7 DIST=gdb LINT=/usr/5bin/lint @@ -223,7 +223,19 @@ SFILES_SUBDIR = \ ${srcdir}/nindy-share/demux.h \ ${srcdir}/nindy-share/env.h \ ${srcdir}/nindy-share/stop.h \ - ${srcdir}/nindy-share/ttycntl.h + ${srcdir}/nindy-share/ttycntl.h \ + ${srcdir}/29k-share/include/coff.h \ + ${srcdir}/29k-share/include/error.h \ + ${srcdir}/29k-share/include/macros.h \ + ${srcdir}/29k-share/include/main.h \ + ${srcdir}/29k-share/include/memspcs.h \ + ${srcdir}/29k-share/include/miniint.h \ + ${srcdir}/29k-share/udi/udiphcfg.h \ + ${srcdir}/29k-share/udi/udiphsun.h \ + ${srcdir}/29k-share/udi/udiproc.h \ + ${srcdir}/29k-share/udi/udipt29k.h \ + ${srcdir}/29k-share/udi/udiptcfg.h \ + ${srcdir}/29k-share/udi/udisoc.h # Non-source files in subdirs, that should go into gdb.tar.Z. NONSRC_SUBDIR = \ @@ -412,6 +424,10 @@ alldeps.mak: ${srcdir}/config -e 's!xdr_ptrace.o!vx-share/xdr_ptrace.c!' \ -e 's!xdr_rdb.o!vx-share/xdr_rdb.c!' \ -e 's!xdr_regs.o!vx-share/xdr_regs.c!' \ + -e 's!udr.o!29k-share/udi/udr.c!' \ + -e 's!yank.o!29k-share/dfe/yank.c!' \ + -e 's!udip2soc.o!29k-share/udi/udip2soc.c!' \ + -e 's!mini2udi.o!29k-share/dfe/mini2udi.c!' \ -e 's/\.o/.c/' \ >alldeps2.tmp echo '# Start of "alldeps.mak" definitions' \ @@ -463,6 +479,7 @@ depend: $(SOURCES) Makefile.in -e 's; \./; $${srcdir}/;g' \ -e 's; vx-share/; $${srcdir}/vx-share/;g' \ -e 's; nindy-share/; $${srcdir}/nindy-share/;g' \ + -e 's; 29k-share/; $${srcdir}/29k-share/;g' \ >depend.tm2; \ rm depend.tmp; \ mv depend.tm2 depend.tmp; \ @@ -583,7 +600,10 @@ make-proto-gdb-1: ${TARFILES} ${TARDIRS} gdb.info mkdir proto-gdb.dir/config cd proto-gdb.dir/config ; \ for i in $(ALLCONFIG) ; do ln -s ../../$$i ../$$i ; done - mkdir proto-gdb.dir/vx-share proto-gdb.dir/nindy-share + mkdir proto-gdb.dir/vx-share proto-gdb.dir/nindy-share \ + proto-gdb.dir/29k-share + mkdir proto-gdb.dir/29k-share/include proto-gdb.dir/29k-share/udi + mkdir proto-gdb.dir/29k-share/dfe cd proto-gdb.dir/config ; \ for i in $(SFILES_SUBDIR) $(NONSRC_SUBDIR) $(ALLDEPFILES_SUBDIR); \ do ln -s ../../$$i ../$$i ; done @@ -735,6 +755,18 @@ ttybreak.o: ${srcdir}/nindy-share/ttybreak.c ttyflush.o: ${srcdir}/nindy-share/ttyflush.c ${CC} -c ${INTERNAL_CFLAGS} ${srcdir}/nindy-share/ttyflush.c +udr.o: ${srcdir}/29k-share/udi/udr.c + ${CC} -c ${INTERNAL_CFLAGS} ${srcdir}/29k-share/udi/udr.c + +udip2soc.o: ${srcdir}/29k-share/udi/udip2soc.c + ${CC} -c ${INTERNAL_CFLAGS} ${srcdir}/29k-share/udi/udip2soc.c + +mini2udi.o: ${srcdir}/29k-share/dfe/mini2udi.c + ${CC} -c ${INTERNAL_CFLAGS} ${srcdir}/29k-share/dfe/mini2udi.c + +yank.o: ${srcdir}/29k-share/dfe/yank.c + ${CC} -c ${INTERNAL_CFLAGS} ${srcdir}/29k-share/dfe/yank.c + lint: $(LINTFILES) $(LINT) $(INCLUDE_CFLAGS) $(LINTFLAGS) $(LINTFILES) \ `echo ${DEPFILES} | sed 's/\.o /\.c /g' diff --git a/gdb/remote-udi.c b/gdb/remote-udi.c index cf577d6c0f2..a6a015c77d9 100644 --- a/gdb/remote-udi.c +++ b/gdb/remote-udi.c @@ -48,16 +48,18 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "terminal.h" #include "target.h" #include "29k-share/udi/udiproc.h" +#include "gdbcmd.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 int fetch_register (); +static void fetch_register (); static void udi_store_registers (); static int store_register (); static int regnum_to_srnum(); @@ -433,21 +435,23 @@ static void udi_resume (step, sig) int step, sig; { - UDIError tip_error; - UDIUInt32 Steps = 1; - UDIStepType StepType = UDIStepNatural; - UDIRange Range; + UDIError tip_error; + UDIUInt32 Steps = 1; + UDIStepType StepType = UDIStepNatural; + UDIRange Range; if (step) /* step 1 instruction */ - { tip_error = tip_error = UDIStep(Steps, StepType, Range); - if(tip_error)fprintf(stderr, "UDIStep() error = %d\n", tip_error); - if(tip_error)error ("failed in udi_resume"); + { + tip_error = UDIStep (Steps, StepType, Range); + if (!tip_error) + return; - } - else - { if(UDIExecute()) - error ("UDIExecute() failed in udi_resume"); - } + fprintf (stderr, "UDIStep() error = %d\n", tip_error); + error ("failed in udi_resume"); + } + + if (UDIExecute()) + error ("UDIExecute() failed in udi_resume"); } /******************************************************************** UDI_WAIT @@ -473,113 +477,122 @@ udi_wait (status) */ timeout = 0; /* Wait indefinetly for a message */ immediate_quit = 1; /* Helps ability to QUIT */ + while(1) - { - i = 0; - MaxTime = UDIWaitForever; - UDIWait(MaxTime, &PId, &StopReason); - QUIT; /* Let user quit if they want */ - switch (StopReason & 0xff) { - default: - goto halted; - case UDIStdoutReady: - if(UDIGetStdout(sbuf, (UDISizeT)SBUF_MAX, &CountDone)) - error("UDIGetStdin() failed in udi_wait"); - while(CountDone--)putc(sbuf[i++], stdout); - fflush(stdout); - break; - case UDIStderrReady: - UDIGetStderr(sbuf, (UDISizeT)SBUF_MAX, &CountDone); - while(CountDone--)putc(sbuf[i++], stderr); - fflush(stderr); - fflush(stderr); - break; - case UDIStdinNeeded: - printf("DEBUG: stdin requested ... continue\n"); -/* UDIPutStdin(sbuf, (UDISizeT)i, &CountDone); */ - break; - case UDIStdinModeX: - break; - } - continue; - } -halted: - if (StopReason & 0xff == UDITrapped ) /* lower 8-bits == 0 */ - { - if (StopReason >> 24 == 0) - { printf("Am290*0 received vector number 0 (break point)\n"); - WSETSTOP ((*status), SIGTRAP); - } - else if (StopReason >> 24 == 1) - { printf("Am290*0 received vector 1\n"); - WSETSTOP ((*status), SIGBUS); - } - else if (StopReason >> 24 == 3 - || StopReason >> 24 == 4) - { printf("Am290*0 received vector number %d\n", - StopReason >> 24); - WSETSTOP ((*status), SIGFPE); - } - else if (StopReason >> 24 == 5) - { printf("Am290*0 received vector number %d\n", - StopReason >> 24); - WSETSTOP ((*status), SIGILL); - } - else if (StopReason >> 24 >= 6 - && StopReason >> 24 <= 11) - { printf("Am290*0 received vector number %d\n", - StopReason >> 24); - WSETSTOP ((*status), SIGSEGV); - } - else if (StopReason >> 24 == 12 - || StopReason >> 24 == 13) - { printf("Am290*0 received vector number %d\n", - StopReason >> 24); - WSETSTOP ((*status), SIGILL); - } - else if ((StopReason & 0xff) == 14) - { printf("Am290*0 received vector number %d\n", - StopReason >> 24); - WSETSTOP ((*status), SIGALRM); - } - else if ((StopReason & 0xff) == 15) - WSETSTOP ((*status), SIGTRAP); - else if ((StopReason >> 24) >= 16 - && (StopReason >> 24) <= 21) - { printf("Am290*0 received vector number %d\n", - StopReason >> 24); - WSETSTOP ((*status), SIGINT); - } - else if ((StopReason & 0xff) == 22) - { printf("Am290*0 received vector number %d\n", - StopReason >> 24); - WSETSTOP ((*status), SIGILL); + i = 0; + MaxTime = UDIWaitForever; + UDIWait(MaxTime, &PId, &StopReason); + QUIT; /* Let user quit if they want */ + + switch (StopReason & UDIGrossState) + { + case UDIStdoutReady: + if (UDIGetStdout (sbuf, (UDISizeT)SBUF_MAX, &CountDone)) + error ("UDIGetStdin() failed in udi_wait"); + fwrite (sbuf, 1, CountDone, stdout); + fflush(stdout); + continue; + case UDIStderrReady: + UDIGetStderr (sbuf, (UDISizeT)SBUF_MAX, &CountDone); + fwrite (sbuf, 1, CountDone, stderr); + fflush(stderr); + continue; + case UDIStdinNeeded: + printf("DEBUG: stdin requested ... continue\n"); + /* UDIPutStdin(sbuf, (UDISizeT)i, &CountDone); */ + continue; + case UDIStdinModeX: + continue; + default: + break; + } + break; } - else if ((StopReason & 0xff) == 77) - WSETSTOP ((*status), SIGTRAP); - else -exit: - WSETEXIT ((*status), 0); - } - else if ((StopReason & 0xff) == UDIBreak) - WSETSTOP ((*status), SIGTRAP); - else if ((StopReason & 0xff) == UDINotExecuting) + + switch (StopReason & UDIGrossState) + { + case UDITrapped: + printf("Am290*0 received vector number %d\n", StopReason >> 24); + + switch (StopReason >> 8) + { + case 0: /* Illegal opcode */ + printf(" (break point)\n"); + WSETSTOP ((*status), SIGTRAP); + break; + case 1: /* Unaligned Access */ + WSETSTOP ((*status), SIGBUS); + break; + case 3: + case 4: + WSETSTOP ((*status), SIGFPE); + break; + case 5: /* Protection Violation */ + WSETSTOP ((*status), SIGILL); + break; + case 6: + case 7: + case 8: /* User Instruction Mapping Miss */ + case 9: /* User Data Mapping Miss */ + case 10: /* Supervisor Instruction Mapping Miss */ + case 11: /* Supervisor Data Mapping Miss */ + WSETSTOP ((*status), SIGSEGV); + break; + case 12: + case 13: + WSETSTOP ((*status), SIGILL); + break; + case 14: /* Timer */ + WSETSTOP ((*status), SIGALRM); + break; + case 15: /* Trace */ + WSETSTOP ((*status), SIGTRAP); + break; + case 16: /* INTR0 */ + case 17: /* INTR1 */ + case 18: /* INTR2 */ + case 19: /* INTR3/Internal */ + case 20: /* TRAP0 */ + case 21: /* TRAP1 */ + WSETSTOP ((*status), SIGINT); + break; + case 22: /* Floating-Point Exception */ + WSETSTOP ((*status), SIGILL); + break; + case 77: /* assert 77 */ + WSETSTOP ((*status), SIGTRAP); + break; + default: + WSETEXIT ((*status), 0); + } + break; + case UDINotExecuting: WSETSTOP ((*status), SIGTERM); - else if ((StopReason & 0xff) == UDIRunning) + break; + case UDIRunning: WSETSTOP ((*status), SIGILL); - else if ((StopReason & 0xff) == UDIStopped) + break; + case UDIStopped: WSETSTOP ((*status), SIGTSTP); - else if ((StopReason & 0xff) == UDIWarned) + break; + case UDIWarned: WSETSTOP ((*status), SIGLOST); - else if ((StopReason & 0xff) == UDIStepped) + break; + case UDIStepped: + case UDIBreak: WSETSTOP ((*status), SIGTRAP); - else if ((StopReason & 0xff) == UDIWaiting) + break; + case UDIWaiting: WSETSTOP ((*status), SIGSTOP); - else if ((StopReason & 0xff) == UDIHalted) + break; + case UDIHalted: WSETSTOP ((*status), SIGKILL); - else - WSETEXIT ((*status), 0); + break; + case UDIExited: + default: + WSETEXIT ((*status), 0); + } timeout = old_timeout; /* Restore original timeout value */ immediate_quit = old_immediate_quit; @@ -688,6 +701,14 @@ int regno; register_valid[i] = 1; } + if (kiodebug) + { + printf("Fetching all registers\n"); + printf("Fetching PC0 = 0x%x, PC1 = 0x%x, PC2 = 0x%x\n", + read_register(NPC_REGNUM), read_register(PC_REGNUM), + read_register(PC2_REGNUM)); + } + /* There doesn't seem to be any way to get these. */ { int val = -1; @@ -721,6 +742,13 @@ int regno; return; } + if (kiodebug) + { + printf("Storing all registers\n"); + printf("PC0 = 0x%x, PC1 = 0x%x, PC2 = 0x%x\n", read_register(NPC_REGNUM), + read_register(PC_REGNUM), read_register(PC2_REGNUM)); + } + /* Gr1/rsp */ From = (UDIUInt32 *)®isters[4 * GR1_REGNUM]; @@ -1082,7 +1110,7 @@ int num; /* Fetch a single register indicatated by 'regno'. * Returns 0/-1 on success/failure. */ -static int +static void fetch_register (regno) int regno; { @@ -1124,7 +1152,7 @@ fetch_register (regno) { int val = -1; supply_register(160 + (regno - FPE_REGNUM),(char *) &val); - return 0; /* Pretend Success */ + return; /* Pretend Success */ } else { @@ -1136,7 +1164,9 @@ fetch_register (regno) error("UDIRead() failed in udi_fetch_registers"); supply_register(regno, (char *) &To); - return result; + + if (kiodebug) + printf("Fetching register %s = 0x%x\n", reg_names[regno], To); } /*****************************************************************************/ /* Store a single register indicated by 'regno'. @@ -1156,6 +1186,9 @@ store_register (regno) From = read_register (regno); /* get data value */ + if (kiodebug) + printf("Storing register %s = 0x%x\n", reg_names[regno], From); + if (regno == GR1_REGNUM) { To.Space = UDI29KGlobalRegs; To.Offset = 1; @@ -1281,31 +1314,55 @@ int QuietMode = 0; /* used for debugging */ * Define the target subroutine names */ static struct target_ops udi_ops = { - "udi", "Remote UDI connected TIP", + "udi", + "Remote UDI connected TIP", "Remote debug an AMD 29k using UDI socket connection to TIP process", - udi_open, udi_close, - udi_attach, udi_detach, udi_resume, udi_wait, - udi_fetch_registers, udi_store_registers, + udi_open, + udi_close, + udi_attach, + udi_detach, + udi_resume, + udi_wait, + udi_fetch_registers, + udi_store_registers, udi_prepare_to_store, udi_xfer_inferior_memory, udi_files_info, - udi_insert_breakpoint, udi_remove_breakpoint, /* Breakpoints */ - 0, 0, 0, 0, 0, /* Terminal handling */ + udi_insert_breakpoint, + udi_remove_breakpoint, + 0, /* termial_init */ + 0, /* terminal_inferior */ + 0, /* terminal_ours_for_output */ + 0, /* terminal_ours */ + 0, /* terminal_info */ udi_kill, /* FIXME, kill */ udi_load, 0, /* lookup_symbol */ - udi_create_inferior, /* create_inferior */ - udi_mourn, /* mourn_inferior FIXME */ + udi_create_inferior, + udi_mourn, /* mourn_inferior FIXME */ 0, /* can_run */ - process_stratum, 0, /* next */ - 1, 1, 1, 1, 1, /* all mem, mem, stack, regs, exec */ - 0, 0, /* Section pointers */ + process_stratum, + 0, /* next */ + 1, /* has_all_memory */ + 1, /* has_memory */ + 1, /* has_stack */ + 1, /* has_registers */ + 1, /* has_execution */ + 0, /* sections */ + 0, /* sections_end */ OPS_MAGIC, /* Always the last thing */ }; void _initialize_remote_udi() { add_target (&udi_ops); + add_show_from_set ( + add_set_cmd ("remotedebug", no_class, var_boolean, + (char *)&kiodebug, + "Set debugging of UDI I/O.\n\ +When enabled, debugging info is displayed.", + &setlist), + &showlist); } #ifdef NO_HIF_SUPPORT diff --git a/gdb/tm-29k.h b/gdb/tm-29k.h index 51736371235..ce6b499ae9c 100644 --- a/gdb/tm-29k.h +++ b/gdb/tm-29k.h @@ -603,7 +603,7 @@ extern CORE_ADDR frame_locals_address (); + DUMMY_SAVE_SR160 * 4 \ + DUMMY_SAVE_SR128 * 4 \ + DUMMY_ARG \ - ) + + 4 /* pad to doubleword */ ) /* Push an empty stack frame, to record the current PC, etc. */ -- 2.30.2