diff options
Diffstat (limited to 'gdb/nlm')
| -rw-r--r-- | gdb/nlm/.Sanitize | 41 | ||||
| -rw-r--r-- | gdb/nlm/Makefile.in | 172 | ||||
| -rwxr-xr-x | gdb/nlm/configure | 1074 | ||||
| -rw-r--r-- | gdb/nlm/configure.in | 55 | ||||
| -rw-r--r-- | gdb/nlm/gdbserve.c | 1056 | ||||
| -rw-r--r-- | gdb/nlm/gdbserve.def | 42 | ||||
| -rw-r--r-- | gdb/nlm/i386.c | 108 | ||||
| -rw-r--r-- | gdb/nlm/i386.h | 13 | ||||
| -rw-r--r-- | gdb/nlm/ppc.c | 257 | ||||
| -rw-r--r-- | gdb/nlm/ppc.h | 165 | ||||
| -rw-r--r-- | gdb/nlm/prelude.c | 67 |
11 files changed, 0 insertions, 3050 deletions
diff --git a/gdb/nlm/.Sanitize b/gdb/nlm/.Sanitize deleted file mode 100644 index 07cb264..0000000 --- a/gdb/nlm/.Sanitize +++ /dev/null @@ -1,41 +0,0 @@ -# .Sanitize for devo/gdb/nlm. - -# Each directory to survive its way into a release will need a file -# like this one called "./.Sanitize". All keyword lines must exist, -# and must exist in the order specified by this file. Each directory -# in the tree will be processed, top down, in the following order. - -# Hash started lines like this one are comments and will be deleted -# before anything else is done. Blank lines will also be squashed -# out. - -# The lines between the "Do-first:" line and the "Things-to-keep:" -# line are executed as a /bin/sh shell script before anything else is -# done in this directory. - -Do-first: - -# All files listed between the "Things-to-keep:" line and the -# "Files-to-sed:" line will be kept. All other files will be removed. -# Directories listed in this section will have their own Sanitize -# called. Directories not listed will be removed in their entirety -# with rm -rf. - -Things-to-keep: - -Makefile.in -configure -configure.in -gdbserve.c -gdbserve.def -i386.c -i386.h -ppc.c -ppc.h -prelude.c - -Things-to-lose: - -Do-last: - -# End of file. diff --git a/gdb/nlm/Makefile.in b/gdb/nlm/Makefile.in deleted file mode 100644 index 5451138..0000000 --- a/gdb/nlm/Makefile.in +++ /dev/null @@ -1,172 +0,0 @@ -#Copyright 1989, 1990, 91, 92, 93, 94, 95, 1999 Free Software Foundation, Inc. - -# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - -srcdir = @srcdir@ -VPATH = @srcdir@ - -prefix = @prefix@ -exec_prefix = @exec_prefix@ - -host_alias = @host_alias@ -target_alias = @target_alias@ -program_transform_name = @program_transform_name@ -bindir = @bindir@ -libdir = @libdir@ -tooldir = $(libdir)/$(target_alias) - -datadir = @datadir@ -mandir = @mandir@ -man1dir = $(mandir)/man1 -man2dir = $(mandir)/man2 -man3dir = $(mandir)/man3 -man4dir = $(mandir)/man4 -man5dir = $(mandir)/man5 -man6dir = $(mandir)/man6 -man7dir = $(mandir)/man7 -man8dir = $(mandir)/man8 -man9dir = $(mandir)/man9 -infodir = @infodir@ -includedir = @includedir@ - -SHELL = @SHELL@ - -INSTALL = @INSTALL@ -INSTALL_PROGRAM = @INSTALL_PROGRAM@ -INSTALL_DATA = @INSTALL_DATA@ - -CC_FOR_TARGET = ` \ - if [ -f ../../gcc/xgcc ] ; then \ - echo ../../gcc/xgcc -B../../gcc/; \ - else \ - t='$(program_transform_name)'; echo gcc | sed -e '' $$t; \ - fi` - -NLMCONV_FOR_TARGET = ` \ - if [ -f ../../binutils/nlmconv ] ; then \ - echo ../../binutils/nlmconv; \ - else \ - t='$(program_transform_name)'; echo nlmconv | sed -e '' $$t; \ - fi` - -# All the includes used for CFLAGS and for lint. -INCLUDE_CFLAGS = -I. -I${srcdir} - -# CFLAGS is specifically reserved for setting from the command line -# when running make. I.E. "make CFLAGS=-Wmissing-prototypes". -CFLAGS = -g -# INTERNAL_CFLAGS is the aggregate of all other *CFLAGS macros. -INTERNAL_CFLAGS = ${CFLAGS} ${INCLUDE_CFLAGS} ${USER_CFLAGS} -LDFLAGS = $(CFLAGS) - -# Perhaps should come from parent Makefile -VERSION = gdbserve-4.12 -DIST=gdb - -# target-dependent makefile fragment come in here. -@target_makefile_frag@ -# End target-dependent makefile fragment - -# All source files that go into linking GDB remote server. - -DEPFILES = $(GDBSERVE_DEPFILES) - -SOURCES = $(ALLDEPFILES) -TAGFILES = $(SOURCES) ${HFILES} ${ALLPARAM} ${POSSLIBS} - -# Prevent Sun make from putting in the machine type. Setting -# TARGET_ARCH to nothing works for SunOS 3, 4.0, but not for 4.1. -.c.o: - ${CC_FOR_TARGET} -c ${INTERNAL_CFLAGS} $< - -.S.o: - ${CC_FOR_TARGET} -c ${INTERNAL_CFLAGS} $< - -all: gdbserve.nlm - -# Traditionally "install" depends on "all". But it may be useful -# not to; for example, if the user has made some trivial change to a -# source file and doesn't care about rebuilding or just wants to save the -# time it takes for make to check that all is up to date. -# install-only is intended to address that need. -install: all install-only -install-only: - $(INSTALL) gdbserve.nlm $(bindir)/gdbserve.nlm - -uninstall: force - rm -f $(bindir)/gdbserve.nlm - -installcheck: -check: -info dvi: -install-info: -clean-info: - -gdbserve.nlm: gdbserve.O $(srcdir)/gdbserve.def - ${NLMCONV_FOR_TARGET} -T $(srcdir)/gdbserve.def - -gdbserve.O: prelude.o gdbserve.o $(TDEPFILES) - ${CC_FOR_TARGET} $(LDFLAGS) -r -o gdbserve.O prelude.o gdbserve.o ${TDEPFILES} - -# Put the proper machine-specific files first, so M-. on a machine -# specific routine gets the one for the correct machine. -# The xyzzy stuff below deals with empty DEPFILES -TAGS: ${TAGFILES} - etags `find ${srcdir}/../config -name $(TM_FILE) -print` \ - `find ${srcdir}/../config -name ${XM_FILE} -print` \ - `find ${srcdir}/../config -name ${NAT_FILE} -print` \ - `for i in yzzy ${DEPFILES}; do \ - if [ x$$i != xyzzy ]; then \ - echo ${srcdir}/$$i | sed -e 's/\.o$$/\.c/' ; \ - fi; \ - done` \ - ${TAGFILES} -tags: TAGS - -clean: - rm -f *.o ${ADD_FILES} *~ - rm -f gdbserve.O gdbserve.nlm core make.log - -distclean: clean TAGS - rm -f config.log config.cache config.status - rm -f Makefile - -maintainer-clean realclean: clean - rm -f TAGS - rm -f config.log config.cache config.status - rm -f Makefile - -Makefile: Makefile.in config.status @target_makefile_frag_path@ - $(SHELL) config.status - -config.status: configure - $(SHELL) config.status --recheck - -force: - -# GNU Make has an annoying habit of putting *all* the Makefile variables -# into the environment, unless you include this target as a circumvention. -# Rumor is that this will be fixed (and this target can be removed) -# in GNU Make 4.0. -.NOEXPORT: - -# GNU Make 3.63 has a different problem: it keeps tacking command line -# overrides onto the definition of $(MAKE). 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It was modified for the - i386 by Jim Kingdon, Cygnus Support. It was modified to run under - NetWare by Ian Lance Taylor, Cygnus Support. - - This code is intended to produce an NLM (a NetWare Loadable Module) - to run under Novell NetWare. To create the NLM, compile this code - into an object file using the NLM SDK on any i386 host, and use the - nlmconv program (available in the GNU binutils) to transform the - resulting object file into an NLM. */ - -/**************************************************************************** - - THIS SOFTWARE IS NOT COPYRIGHTED - - HP offers the following for use in the public domain. HP makes no - warranty with regard to the software or it's performance and the - user accepts the software "AS IS" with all faults. - - HP DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD - TO THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES - OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - -****************************************************************************/ - -/**************************************************************************** - * - * The following gdb commands are supported: - * - * command function Return value - * - * g return the value of the CPU registers hex data or ENN - * G set the value of the CPU registers OK or ENN - * - * mAA..AA,LLLL Read LLLL bytes at address AA..AA hex data or ENN - * MAA..AA,LLLL: Write LLLL bytes at address AA.AA OK or ENN - * - * c Resume at current address SNN ( signal NN) - * cAA..AA Continue at address AA..AA SNN - * - * s Step one instruction SNN - * sAA..AA Step one instruction from AA..AA SNN - * - * k kill - * - * ? What was the last sigval ? SNN (signal NN) - * - * All commands and responses are sent with a packet which includes a - * checksum. A packet consists of - * - * $<packet info>#<checksum>. - * - * where - * <packet info> :: <characters representing the command or response> - * <checksum> :: < two hex digits computed as modulo 256 sum of <packetinfo>> - * - * When a packet is received, it is first acknowledged with either '+' or '-'. - * '+' indicates a successful transfer. '-' indicates a failed transfer. - * - * Example: - * - * Host: Reply: - * $m0,10#2a +$00010203040506070809101112131415#42 - * - ****************************************************************************/ - -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <ctype.h> -#include <errno.h> -#include <time.h> - -#ifdef __i386__ -#include <dfs.h> -#include <conio.h> -#include <advanced.h> -#include <debugapi.h> -#include <process.h> -#else -#include <nwtypes.h> -#include <nwdfs.h> -#include <nwconio.h> -#include <nwadv.h> -#include <nwdbgapi.h> -#include <nwthread.h> -#endif - -#include <aio.h> -#include "cpu.h" - - -/****************************************************/ -/* This information is from Novell. It is not in any of the standard - NetWare header files. */ - -struct DBG_LoadDefinitionStructure -{ - void *reserved1[4]; - LONG reserved5; - LONG LDCodeImageOffset; - LONG LDCodeImageLength; - LONG LDDataImageOffset; - LONG LDDataImageLength; - LONG LDUninitializedDataLength; - LONG LDCustomDataOffset; - LONG LDCustomDataSize; - LONG reserved6[2]; - LONG (*LDInitializationProcedure)(void); -}; - -#define LO_NORMAL 0x0000 -#define LO_STARTUP 0x0001 -#define LO_PROTECT 0x0002 -#define LO_DEBUG 0x0004 -#define LO_AUTO_LOAD 0x0008 - -/* Loader returned error codes */ -#define LOAD_COULD_NOT_FIND_FILE 1 -#define LOAD_ERROR_READING_FILE 2 -#define LOAD_NOT_NLM_FILE_FORMAT 3 -#define LOAD_WRONG_NLM_FILE_VERSION 4 -#define LOAD_REENTRANT_INITIALIZE_FAILURE 5 -#define LOAD_CAN_NOT_LOAD_MULTIPLE_COPIES 6 -#define LOAD_ALREADY_IN_PROGRESS 7 -#define LOAD_NOT_ENOUGH_MEMORY 8 -#define LOAD_INITIALIZE_FAILURE 9 -#define LOAD_INCONSISTENT_FILE_FORMAT 10 -#define LOAD_CAN_NOT_LOAD_AT_STARTUP 11 -#define LOAD_AUTO_LOAD_MODULES_NOT_LOADED 12 -#define LOAD_UNRESOLVED_EXTERNAL 13 -#define LOAD_PUBLIC_ALREADY_DEFINED 14 -/****************************************************/ - -/* The main thread ID. */ -static int mainthread; - -/* An error message for the main thread to print. */ -static char *error_message; - -/* The AIO port handle. */ -static int AIOhandle; - -/* BUFMAX defines the maximum number of characters in inbound/outbound - buffers. At least NUMREGBYTES*2 are needed for register packets */ -#define BUFMAX (REGISTER_BYTES * 2 + 16) - -/* remote_debug > 0 prints ill-formed commands in valid packets and - checksum errors. */ -static int remote_debug = 1; - -static const char hexchars[] = "0123456789abcdef"; - -unsigned char breakpoint_insn[] = BREAKPOINT; - -char *mem2hex (void *mem, char *buf, int count, int may_fault); -char *hex2mem (char *buf, void *mem, int count, int may_fault); -extern void set_step_traps (struct StackFrame *); -extern void clear_step_traps (struct StackFrame *); - -static int __main() {}; - -/* Read a character from the serial port. This must busy wait, but - that's OK because we will be the only thread running anyhow. */ - -static int -getDebugChar () -{ - int err; - LONG got; - unsigned char ret; - - do - { - err = AIOReadData (AIOhandle, (char *) &ret, 1, &got); - if (err != 0) - { - error_message = "AIOReadData failed"; - ResumeThread (mainthread); - return -1; - } - } - while (got == 0); - - return ret; -} - -/* Write a character to the serial port. Returns 0 on failure, - non-zero on success. */ - -static int -putDebugChar (c) - unsigned char c; -{ - int err; - LONG put; - - put = 0; - while (put < 1) - { - err = AIOWriteData (AIOhandle, (char *) &c, 1, &put); - if (err != 0) - ConsolePrintf ("AIOWriteData: err = %d, put = %d\r\n", err, put); - } - return 1; -} - -/* Turn a hex character into a number. */ - -static int -hex (ch) - char ch; -{ - if ((ch >= 'a') && (ch <= 'f')) - return (ch-'a'+10); - if ((ch >= '0') && (ch <= '9')) - return (ch-'0'); - if ((ch >= 'A') && (ch <= 'F')) - return (ch-'A'+10); - return (-1); -} - -/* Scan for the sequence $<data>#<checksum>. Returns 0 on failure, - non-zero on success. */ - -static int -getpacket (buffer) - char * buffer; -{ - unsigned char checksum; - unsigned char xmitcsum; - int i; - int count; - int ch; - - do - { - /* wait around for the start character, ignore all other characters */ - while ((ch = getDebugChar()) != '$') - if (ch == -1) - return 0; - checksum = 0; - xmitcsum = -1; - - count = 0; - - /* now, read until a # or end of buffer is found */ - while (count < BUFMAX) - { - ch = getDebugChar(); - if (ch == -1) - return 0; - if (ch == '#') - break; - checksum = checksum + ch; - buffer[count] = ch; - count = count + 1; - } - buffer[count] = 0; - - if (ch == '#') - { - ch = getDebugChar (); - if (ch == -1) - return 0; - xmitcsum = hex(ch) << 4; - ch = getDebugChar (); - if (ch == -1) - return 0; - xmitcsum += hex(ch); - - if (checksum != xmitcsum) - { - if (remote_debug) - ConsolePrintf ("bad checksum. My count = 0x%x, sent=0x%x. buf=%s\n", - checksum,xmitcsum,buffer); - /* failed checksum */ - if (! putDebugChar('-')) - return 0; - return 1; - } - else - { - /* successful transfer */ - if (! putDebugChar('+')) - return 0; - /* if a sequence char is present, reply the sequence ID */ - if (buffer[2] == ':') - { - if (! putDebugChar (buffer[0]) - || ! putDebugChar (buffer[1])) - return 0; - /* remove sequence chars from buffer */ - count = strlen(buffer); - for (i=3; i <= count; i++) - buffer[i-3] = buffer[i]; - } - } - } - } - while (checksum != xmitcsum); - - if (remote_debug) - ConsolePrintf ("Received packet \"%s\"\r\n", buffer); - - return 1; -} - -/* Send the packet in buffer. Returns 0 on failure, non-zero on - success. */ - -static int -putpacket (buffer) - char * buffer; -{ - unsigned char checksum; - int count; - int ch; - - if (remote_debug) - ConsolePrintf ("Sending packet \"%s\"\r\n", buffer); - - /* $<packet info>#<checksum>. */ - do - { - if (! putDebugChar('$')) - return 0; - checksum = 0; - count = 0; - - while (ch=buffer[count]) - { - if (! putDebugChar(ch)) - return 0; - checksum += ch; - count += 1; - } - - if (! putDebugChar('#') - || ! putDebugChar(hexchars[checksum >> 4]) - || ! putDebugChar(hexchars[checksum % 16])) - return 0; - - ch = getDebugChar (); - if (ch == -1) - return 0; - } - while (ch != '+'); - - return 1; -} - -static char remcomInBuffer[BUFMAX]; -static char remcomOutBuffer[BUFMAX]; -static short error; - -static void -debug_error (format, parm) - char *format; - char *parm; -{ - if (remote_debug) - { - ConsolePrintf (format, parm); - ConsolePrintf ("\n"); - } -} - -/* This is set if we could get a memory access fault. */ -static int mem_may_fault; - -/* Indicate to caller of mem2hex or hex2mem that there has been an - error. */ -volatile int mem_err = 0; - -#ifndef ALTERNATE_MEM_FUNCS -/* These are separate functions so that they are so short and sweet - that the compiler won't save any registers (if there is a fault - to mem_fault, they won't get restored, so there better not be any - saved). */ - -int -get_char (addr) - char *addr; -{ - return *addr; -} - -void -set_char (addr, val) - char *addr; - int val; -{ - *addr = val; -} -#endif /* ALTERNATE_MEM_FUNCS */ - -/* convert the memory pointed to by mem into hex, placing result in buf */ -/* return a pointer to the last char put in buf (null) */ -/* If MAY_FAULT is non-zero, then we should set mem_err in response to - a fault; if zero treat a fault like any other fault in the stub. */ - -char * -mem2hex (mem, buf, count, may_fault) - void *mem; - char *buf; - int count; - int may_fault; -{ - int i; - unsigned char ch; - char *ptr = mem; - - mem_may_fault = may_fault; - for (i = 0; i < count; i++) - { - ch = get_char (ptr++); - if (may_fault && mem_err) - return (buf); - *buf++ = hexchars[ch >> 4]; - *buf++ = hexchars[ch % 16]; - } - *buf = 0; - mem_may_fault = 0; - return(buf); -} - -/* convert the hex array pointed to by buf into binary to be placed in mem */ -/* return a pointer to the character AFTER the last byte written */ - -char * -hex2mem (buf, mem, count, may_fault) - char *buf; - void *mem; - int count; - int may_fault; -{ - int i; - unsigned char ch; - char *ptr = mem; - - mem_may_fault = may_fault; - for (i=0;i<count;i++) - { - ch = hex(*buf++) << 4; - ch = ch + hex(*buf++); - set_char (ptr++, ch); - if (may_fault && mem_err) - return (ptr); - } - mem_may_fault = 0; - return(mem); -} - -/* This function takes the 386 exception vector and attempts to - translate this number into a unix compatible signal value. */ - -int -computeSignal (exceptionVector) - int exceptionVector; -{ - int sigval; - switch (exceptionVector) - { - case 0 : sigval = 8; break; /* divide by zero */ - case 1 : sigval = 5; break; /* debug exception */ - case 3 : sigval = 5; break; /* breakpoint */ - case 4 : sigval = 16; break; /* into instruction (overflow) */ - case 5 : sigval = 16; break; /* bound instruction */ - case 6 : sigval = 4; break; /* Invalid opcode */ - case 7 : sigval = 8; break; /* coprocessor not available */ - case 8 : sigval = 7; break; /* double fault */ - case 9 : sigval = 11; break; /* coprocessor segment overrun */ - case 10 : sigval = 11; break; /* Invalid TSS */ - case 11 : sigval = 11; break; /* Segment not present */ - case 12 : sigval = 11; break; /* stack exception */ - case 13 : sigval = 11; break; /* general protection */ - case 14 : sigval = 11; break; /* page fault */ - case 16 : sigval = 7; break; /* coprocessor error */ - default: - sigval = 7; /* "software generated"*/ - } - return (sigval); -} - -/**********************************************/ -/* WHILE WE FIND NICE HEX CHARS, BUILD AN INT */ -/* RETURN NUMBER OF CHARS PROCESSED */ -/**********************************************/ -static int -hexToInt(ptr, intValue) - char **ptr; - int *intValue; -{ - int numChars = 0; - int hexValue; - - *intValue = 0; - - while (**ptr) - { - hexValue = hex(**ptr); - if (hexValue >=0) - { - *intValue = (*intValue <<4) | hexValue; - numChars ++; - } - else - break; - - (*ptr)++; - } - - return (numChars); -} - -/* This function does all command processing for interfacing to gdb. - It is called whenever an exception occurs in the module being - debugged. */ - -static LONG -handle_exception (frame) - struct StackFrame *frame; -{ - int addr, length; - char *ptr; - static struct DBG_LoadDefinitionStructure *ldinfo = 0; - static unsigned char first_insn[BREAKPOINT_SIZE]; /* The first instruction in the program. */ - -#if 0 - /* According to some documentation from Novell, the bell sometimes - may be ringing at this point. This can be stopped on Netware 4 - systems by calling the undocumented StopBell() function. */ - - StopBell (); -#endif - - if (remote_debug) - { - ConsolePrintf ("vector=%d: %s, pc=%08x, thread=%08x\r\n", - frame->ExceptionNumber, - frame->ExceptionDescription, - frame->ExceptionPC, - GetThreadID ()); - } - - switch (frame->ExceptionNumber) - { - case START_NLM_EVENT: - /* If the NLM just started, we record the module load information - and the thread ID, and set a breakpoint at the first instruction - in the program. */ - - ldinfo = ((struct DBG_LoadDefinitionStructure *) - frame->ExceptionErrorCode); - memcpy (first_insn, ldinfo->LDInitializationProcedure, - BREAKPOINT_SIZE); - memcpy (ldinfo->LDInitializationProcedure, breakpoint_insn, - BREAKPOINT_SIZE); - flush_i_cache (); - return RETURN_TO_PROGRAM; - - case ENTER_DEBUGGER_EVENT: - case KEYBOARD_BREAK_EVENT: - /* Pass some events on to the next debugger, in case it will handle - them. */ - return RETURN_TO_NEXT_DEBUGGER; - - case 3: /* Breakpoint */ - /* After we've reached the initial breakpoint, reset it. */ - if (frame->ExceptionPC - DECR_PC_AFTER_BREAK == (LONG) ldinfo->LDInitializationProcedure - && memcmp (ldinfo->LDInitializationProcedure, breakpoint_insn, - BREAKPOINT_SIZE) == 0) - { - memcpy (ldinfo->LDInitializationProcedure, first_insn, - BREAKPOINT_SIZE); - frame->ExceptionPC -= DECR_PC_AFTER_BREAK; - flush_i_cache (); - } - /* Normal breakpoints end up here */ - do_status (remcomOutBuffer, frame); - break; - - default: - /* At the moment, we don't care about most of the unusual NetWare - exceptions. */ - if (frame->ExceptionNumber > 31) - return RETURN_TO_PROGRAM; - - /* Most machine level exceptions end up here */ - do_status (remcomOutBuffer, frame); - break; - - case 11: /* Segment not present */ - case 13: /* General protection */ - case 14: /* Page fault */ - /* If we get a GP fault, and mem_may_fault is set, and the - instruction pointer is near set_char or get_char, then we caused - the fault ourselves accessing an illegal memory location. */ - if (mem_may_fault - && ((frame->ExceptionPC >= (long) &set_char - && frame->ExceptionPC < (long) &set_char + 50) - || (frame->ExceptionPC >= (long) &get_char - && frame->ExceptionPC < (long) &get_char + 50))) - { - mem_err = 1; - /* Point the instruction pointer at an assembly language stub - which just returns from the function. */ - - frame->ExceptionPC += 4; /* Skip the load or store */ - - /* Keep going. This will act as though it returned from - set_char or get_char. The calling routine will check - mem_err, and do the right thing. */ - return RETURN_TO_PROGRAM; - } - /* Random mem fault, report it */ - do_status (remcomOutBuffer, frame); - break; - - case TERMINATE_NLM_EVENT: - /* There is no way to get the exit status. */ - sprintf (remcomOutBuffer, "W%02x", 0); - break; /* We generate our own status */ - } - - /* FIXME: How do we know that this exception has anything to do with - the program we are debugging? We can check whether the PC is in - the range of the module we are debugging, but that doesn't help - much since an error could occur in a library routine. */ - - clear_step_traps (frame); - - if (! putpacket(remcomOutBuffer)) - return RETURN_TO_NEXT_DEBUGGER; - - if (frame->ExceptionNumber == TERMINATE_NLM_EVENT) - { - ResumeThread (mainthread); - return RETURN_TO_PROGRAM; - } - - while (1) - { - error = 0; - remcomOutBuffer[0] = 0; - if (! getpacket (remcomInBuffer)) - return RETURN_TO_NEXT_DEBUGGER; - switch (remcomInBuffer[0]) - { - case '?': - do_status (remcomOutBuffer, frame); - break; - case 'd': - remote_debug = !(remote_debug); /* toggle debug flag */ - break; - case 'g': - /* return the value of the CPU registers */ - frame_to_registers (frame, remcomOutBuffer); - break; - case 'G': - /* set the value of the CPU registers - return OK */ - registers_to_frame (&remcomInBuffer[1], frame); - strcpy(remcomOutBuffer,"OK"); - break; - - case 'm': - /* mAA..AA,LLLL Read LLLL bytes at address AA..AA */ - /* TRY TO READ %x,%x. IF SUCCEED, SET PTR = 0 */ - ptr = &remcomInBuffer[1]; - if (hexToInt(&ptr,&addr)) - if (*(ptr++) == ',') - if (hexToInt(&ptr,&length)) - { - ptr = 0; - mem_err = 0; - mem2hex((char*) addr, remcomOutBuffer, length, 1); - if (mem_err) - { - strcpy (remcomOutBuffer, "E03"); - debug_error ("memory fault"); - } - } - - if (ptr) - { - strcpy(remcomOutBuffer,"E01"); - debug_error("malformed read memory command: %s",remcomInBuffer); - } - break; - - case 'M': - /* MAA..AA,LLLL: Write LLLL bytes at address AA.AA return OK */ - /* TRY TO READ '%x,%x:'. IF SUCCEED, SET PTR = 0 */ - ptr = &remcomInBuffer[1]; - if (hexToInt(&ptr,&addr)) - if (*(ptr++) == ',') - if (hexToInt(&ptr,&length)) - if (*(ptr++) == ':') - { - mem_err = 0; - hex2mem(ptr, (char*) addr, length, 1); - - if (mem_err) - { - strcpy (remcomOutBuffer, "E03"); - debug_error ("memory fault"); - } - else - { - strcpy(remcomOutBuffer,"OK"); - } - - ptr = 0; - } - if (ptr) - { - strcpy(remcomOutBuffer,"E02"); - debug_error("malformed write memory command: %s",remcomInBuffer); - } - break; - - case 'c': - case 's': - /* cAA..AA Continue at address AA..AA(optional) */ - /* sAA..AA Step one instruction from AA..AA(optional) */ - /* try to read optional parameter, pc unchanged if no parm */ - ptr = &remcomInBuffer[1]; - if (hexToInt(&ptr,&addr)) - { -/* registers[PC_REGNUM].lo = addr;*/ - fprintf (stderr, "Setting PC to 0x%x\n", addr); - while (1); - } - - if (remcomInBuffer[0] == 's') - set_step_traps (frame); - - flush_i_cache (); - return RETURN_TO_PROGRAM; - - case 'k': - /* kill the program */ - KillMe (ldinfo); - ResumeThread (mainthread); - return RETURN_TO_PROGRAM; - - case 'q': /* Query message */ - if (strcmp (&remcomInBuffer[1], "Offsets") == 0) - { - sprintf (remcomOutBuffer, "Text=%x;Data=%x;Bss=%x", - ldinfo->LDCodeImageOffset, - ldinfo->LDDataImageOffset, - ldinfo->LDDataImageOffset + ldinfo->LDDataImageLength); - } - else - sprintf (remcomOutBuffer, "E04, Unknown query %s", &remcomInBuffer[1]); - break; - } - - /* reply to the request */ - if (! putpacket(remcomOutBuffer)) - return RETURN_TO_NEXT_DEBUGGER; - } -} - -char *progname; - -struct bitRate { - BYTE bitRate; - const char *bitRateString; -}; - -struct bitRate bitRateTable[] = -{ - { AIO_BAUD_50 , "50" }, - { AIO_BAUD_75 , "75" }, - { AIO_BAUD_110 , "110" }, - { AIO_BAUD_134p5 , "134.5" }, - { AIO_BAUD_150 , "150" }, - { AIO_BAUD_300 , "300" }, - { AIO_BAUD_600 , "600" }, - { AIO_BAUD_1200 , "1200" }, - { AIO_BAUD_1800 , "1800" }, - { AIO_BAUD_2000 , "2000" }, - { AIO_BAUD_2400 , "2400" }, - { AIO_BAUD_3600 , "3600" }, - { AIO_BAUD_4800 , "4800" }, - { AIO_BAUD_7200 , "7200" }, - { AIO_BAUD_9600 , "9600" }, - { AIO_BAUD_19200 , "19200" }, - { AIO_BAUD_38400 , "38400" }, - { AIO_BAUD_57600 , "57600" }, - { AIO_BAUD_115200, "115200" }, - { -1, NULL } -}; - -char dataBitsTable[] = "5678"; - -char *stopBitsTable[] = { "1", "1.5", "2" }; - -char parity[] = "NOEMS"; - -/* Start up. The main thread opens the named serial I/O port, loads - the named NLM module and then goes to sleep. The serial I/O port - is named as a board number and a port number. It would be more DOS - like to provide a menu of available serial ports, but I don't want - to have to figure out how to do that. */ - -int -main (argc, argv) - int argc; - char **argv; -{ - int hardware, board, port; - BYTE bitRate; - BYTE dataBits; - BYTE stopBits; - BYTE parityMode; - LONG err; - struct debuggerStructure s; - int cmdindx; - char *cmdlin; - int i; - - /* set progname */ - progname = "gdbserve"; - - /* set default serial line */ - hardware = -1; - board = 0; - port = 0; - - /* set default serial line characteristics */ - bitRate = AIO_BAUD_9600; - dataBits = AIO_DATA_BITS_8; - stopBits = AIO_STOP_BITS_1; - parityMode = AIO_PARITY_NONE; - - cmdindx = 0; - for (argc--, argv++; *argv; argc--, argv++) - { - char *bp; - char *ep; - - if (strnicmp(*argv, "BAUD=", 5) == 0) - { - struct bitRate *brp; - - bp = *argv + 5; - for (brp = bitRateTable; brp->bitRate != (BYTE) -1; brp++) - { - if (strcmp(brp->bitRateString, bp) == 0) - { - bitRate = brp->bitRate; - break; - } - } - - if (brp->bitRateString == NULL) - { - fprintf(stderr, "%s: %s: unknown or unsupported bit rate", - progname, bp); - exit (1); - } - } - else if (strnicmp(*argv, "BOARD=", 6) == 0) - { - bp = *argv + 6; - board = strtol (bp, &ep, 0); - if (ep == bp || *ep != '\0') - { - fprintf (stderr, "%s: %s: expected integer argument\n", - progname, bp); - exit(1); - } - } -#if 1 /* FIXME: this option has been depricated */ - else if (strnicmp(*argv, "NODE=", 5) == 0) - { - bp = *argv + 5; - board = strtol (bp, &ep, 0); - if (ep == bp || *ep != '\0') - { - fprintf (stderr, "%s: %s: expected integer argument\n", - progname, bp); - exit(1); - } - } -#endif - else if (strnicmp(*argv, "PORT=", 5) == 0) - { - bp = *argv + 5; - port = strtol (bp, &ep, 0); - if (ep == bp || *ep != '\0') - { - fprintf (stderr, "%s: %s: expected integer argument\n", - progname, bp); - exit(1); - } - } - else - { - break; - } - - cmdindx++; - } - - if (argc == 0) - { - fprintf (stderr, - "Usage: load %s [options] program [arguments]\n", progname); - exit (1); - } - - err = AIOAcquirePort (&hardware, &board, &port, &AIOhandle); - if (err != AIO_SUCCESS) - { - switch (err) - { - case AIO_PORT_NOT_AVAILABLE: - fprintf (stderr, "Port not available\n"); - break; - - case AIO_BOARD_NUMBER_INVALID: - case AIO_PORT_NUMBER_INVALID: - fprintf (stderr, "No such port\n"); - break; - - default: - fprintf (stderr, "Could not open port: %d\n", err); - break; - } - - exit (1); - } - - err = AIOConfigurePort (AIOhandle, bitRate, dataBits, stopBits, parityMode, - AIO_HARDWARE_FLOW_CONTROL_OFF); - - if (err == AIO_QUALIFIED_SUCCESS) - { - AIOPORTCONFIG portConfig; - - fprintf (stderr, "Port configuration changed!\n"); - - portConfig.returnLength = sizeof(portConfig); - AIOGetPortConfiguration (AIOhandle, &portConfig, NULL); - - fprintf (stderr, - " Bit Rate: %s, Data Bits: %c, Stop Bits: %s, Parity: %c,\ - Flow:%s\n", - bitRateTable[portConfig.bitRate].bitRateString, - dataBitsTable[portConfig.dataBits], - stopBitsTable[portConfig.stopBits], - parity[portConfig.parityMode], - portConfig.flowCtrlMode ? "ON" : "OFF"); - } - else if (err != AIO_SUCCESS) - { - fprintf (stderr, "Could not configure port: %d\n", err); - AIOReleasePort (AIOhandle); - exit (1); - } - - if (AIOSetExternalControl(AIOhandle, AIO_EXTERNAL_CONTROL, - (AIO_EXTCTRL_DTR | AIO_EXTCTRL_RTS)) - != AIO_SUCCESS) - { - LONG extStatus, chgdExtStatus; - - fprintf (stderr, "Could not set desired port controls!\n"); - AIOGetExternalStatus (AIOhandle, &extStatus, &chgdExtStatus); - fprintf (stderr, "Port controls now: %d, %d\n", extStatus, - chgdExtStatus); - } - - /* Register ourselves as an alternate debugger. */ - memset (&s, 0, sizeof s); - s.DDSResourceTag = ((struct ResourceTagStructure *) - AllocateResourceTag (GetNLMHandle (), - (BYTE *)"gdbserver", - DebuggerSignature)); - if (s.DDSResourceTag == 0) - { - fprintf (stderr, "AllocateResourceTag failed\n"); - AIOReleasePort (AIOhandle); - exit (1); - } - s.DDSdebuggerEntry = handle_exception; - s.DDSFlags = TSS_FRAME_BIT; - - err = RegisterDebuggerRTag (&s, AT_FIRST); - if (err != 0) - { - fprintf (stderr, "RegisterDebuggerRTag failed\n"); - AIOReleasePort (AIOhandle); - exit (1); - } - - /* Get the command line we were invoked with, and advance it past - our name and the board and port arguments. */ - cmdlin = getcmd ((char *) NULL); - for (i = 0; i < cmdindx; i++) - { - while (! isspace (*cmdlin)) - ++cmdlin; - while (isspace (*cmdlin)) - ++cmdlin; - } - - /* In case GDB is started before us, ack any packets (presumably - "$?#xx") sitting there. */ - if (! putDebugChar ('+')) - { - fprintf (stderr, "putDebugChar failed\n"); - UnRegisterDebugger (&s); - AIOReleasePort (AIOhandle); - exit (1); - } - - mainthread = GetThreadID (); - - if (remote_debug > 0) - ConsolePrintf ("About to call LoadModule with \"%s\" %08x\r\n", - cmdlin, __GetScreenID (GetCurrentScreen())); - - /* Start up the module to be debugged. */ - err = LoadModule ((struct ScreenStruct *) __GetScreenID (GetCurrentScreen()), - (BYTE *)cmdlin, LO_DEBUG); - if (err != 0) - { - fprintf (stderr, "LoadModule failed: %d\n", err); - UnRegisterDebugger (&s); - AIOReleasePort (AIOhandle); - exit (1); - } - - /* Wait for the debugger to wake us up. */ - if (remote_debug > 0) - ConsolePrintf ("Suspending main thread (%08x)\r\n", mainthread); - SuspendThread (mainthread); - if (remote_debug > 0) - ConsolePrintf ("Resuming main thread (%08x)\r\n", mainthread); - - /* If we are woken up, print an optional error message, deregister - ourselves and exit. */ - if (error_message != NULL) - fprintf (stderr, "%s\n", error_message); - UnRegisterDebugger (&s); - AIOReleasePort (AIOhandle); - exit (0); -} diff --git a/gdb/nlm/gdbserve.def b/gdb/nlm/gdbserve.def deleted file mode 100644 index 588028d..0000000 --- a/gdb/nlm/gdbserve.def +++ /dev/null @@ -1,42 +0,0 @@ -description "GDB debugger stub" -version 1,2 -debug -module clib -screenname "System Console" -input gdbserve.O -output gdbserve.nlm -start _Prelude -exit _Stop -import - AllocateResourceTag - ConsolePrintf - GetCurrentScreen - GetNLMHandle - GetThreadID - KillMe - LoadModule - ReadByteAltDebugger - RegisterDebuggerRTag - ResumeThread - SuspendThread - UnRegisterDebugger - WriteByteAltDebugger - _GetCLibNLMLibHandle - _NWRegisterNLMLibraryUser - _SetupArgv - _StartNLM - _TerminateNLM - __GetScreenID - __get_errno_ptr - exit - fprintf - getcmd - memcmp - memcpy - memset - sprintf - strcmp - strcpy - strlen - strnicmp - strtol diff --git a/gdb/nlm/i386.c b/gdb/nlm/i386.c deleted file mode 100644 index 560198e..0000000 --- a/gdb/nlm/i386.c +++ /dev/null @@ -1,108 +0,0 @@ -#include <dfs.h> -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <ctype.h> -#include <time.h> -#include <conio.h> -#include <advanced.h> -#include <debugapi.h> -#include <process.h> -#include <errno.h> -#include "i386.h" - -extern char *mem2hex (void *mem, char *buf, int count, int may_fault); -extern char *hex2mem (char *buf, void *mem, int count, int may_fault); -extern int computeSignal (int exceptionVector); - -void -flush_i_cache() -{ -} - -/* Get the registers out of the frame information. */ - -void -frame_to_registers (frame, regs) - struct StackFrame *frame; - char *regs; -{ - /* Copy EAX -> EDI */ - mem2hex (&frame->ExceptionEAX, ®s[0 * 4 * 2], 4 * 8, 0); - - /* Copy EIP & PS */ - mem2hex (&frame->ExceptionPC, ®s[8 * 4 * 2], 4 * 2, 0); - - /* Copy CS, SS, DS */ - mem2hex (&frame->ExceptionCS, ®s[10 * 4 * 2], 4 * 3, 0); - - /* Copy ES */ - mem2hex (&frame->ExceptionES, ®s[13 * 4 * 2], 4 * 1, 0); - - /* Copy FS & GS */ - mem2hex (&frame->ExceptionFS, ®s[14 * 4 * 2], 4 * 2, 0); -} - -/* Put the registers back into the frame information. */ - -void -registers_to_frame (regs, frame) - char *regs; - struct StackFrame *frame; -{ - /* Copy EAX -> EDI */ - hex2mem (®s[0 * 4 * 2], &frame->ExceptionEAX, 4 * 8, 0); - - /* Copy EIP & PS */ - hex2mem (®s[8 * 4 * 2], &frame->ExceptionPC, 4 * 2, 0); - - /* Copy CS, SS, DS */ - hex2mem (®s[10 * 4 * 2], &frame->ExceptionCS, 4 * 3, 0); - - /* Copy ES */ - hex2mem (®s[13 * 4 * 2], &frame->ExceptionES, 4 * 1, 0); - - /* Copy FS & GS */ - hex2mem (®s[14 * 4 * 2], &frame->ExceptionFS, 4 * 2, 0); -} - -void -set_step_traps (frame) - struct StackFrame *frame; -{ - frame->ExceptionSystemFlags |= 0x100; -} - -void -clear_step_traps (frame) - struct StackFrame *frame; -{ - frame->ExceptionSystemFlags &= ~0x100; -} - -void -do_status (ptr, frame) - char *ptr; - struct StackFrame *frame; -{ - int sigval; - - sigval = computeSignal (frame->ExceptionNumber); - - sprintf (ptr, "T%02x", sigval); - ptr += 3; - - sprintf (ptr, "%02x:", PC_REGNUM); - ptr = mem2hex (&frame->ExceptionPC, ptr + 3, 4, 0); - *ptr++ = ';'; - - sprintf (ptr, "%02x:", SP_REGNUM); - ptr = mem2hex (&frame->ExceptionESP, ptr + 3, 4, 0); - *ptr++ = ';'; - - sprintf (ptr, "%02x:", FP_REGNUM); - ptr = mem2hex (&frame->ExceptionEBP, ptr + 3, 4, 0); - *ptr++ = ';'; - - *ptr = '\000'; -} diff --git a/gdb/nlm/i386.h b/gdb/nlm/i386.h deleted file mode 100644 index 155702b..0000000 --- a/gdb/nlm/i386.h +++ /dev/null @@ -1,13 +0,0 @@ -/* Register values. All of these values *MUST* agree with tm.h */ -#define SP_REGNUM 4 /* Contains address of top of stack */ -#define PC_REGNUM 8 /* Contains program counter */ -#define FP_REGNUM 5 /* Virtual frame pointer */ -#define NUM_REGS 16 /* Number of machine registers */ -#define REGISTER_BYTES (NUM_REGS * 4) /* Total size of registers array */ - -#define ExceptionPC ExceptionEIP -#define DECR_PC_AFTER_BREAK 1 /* int 3 leaves PC pointing after insn */ -#define BREAKPOINT {0xcc} -#define BREAKPOINT_SIZE (sizeof breakpoint_insn) - -#define StackFrame T_TSS_StackFrame diff --git a/gdb/nlm/ppc.c b/gdb/nlm/ppc.c deleted file mode 100644 index e68397b..0000000 --- a/gdb/nlm/ppc.c +++ /dev/null @@ -1,257 +0,0 @@ -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <time.h> -#include <errno.h> - -#include <nwtypes.h> -#include <nwdfs.h> -#include <nwconio.h> -#include <nwadv.h> -#include <nwdbgapi.h> -#include <nwthread.h> -#include "ppc.h" - -extern char *mem2hex (void *mem, char *buf, int count, int may_fault); -extern char *hex2mem (char *buf, void *mem, int count, int may_fault); -extern int computeSignal (int exceptionVector); - -void -flush_i_cache (void) -{ -} - -/* Get the registers out of the frame information. */ - -void -frame_to_registers (frame, regs) - struct StackFrame *frame; - char *regs; -{ - mem2hex (&frame->ExceptionState.CsavedRegs, ®s[GP0_REGNUM * 4 * 2], 4 * 32, 0); - - mem2hex (&frame->ExceptionState.CSavedFPRegs, ®s[FP0_REGNUM * 4 * 2], 4 * 32, 0); - - mem2hex (&frame->ExceptionPC, ®s[PC_REGNUM * 4 * 2], 4 * 1, 0); - - mem2hex (&frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedSRR1, ®s[CR_REGNUM * 4 * 2], 4 * 1, 0); - mem2hex (&frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedLR, ®s[LR_REGNUM * 4 * 2], 4 * 1, 0); - mem2hex (&frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedCTR, ®s[CTR_REGNUM * 4 * 2], 4 * 1, 0); - mem2hex (&frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedXER, ®s[XER_REGNUM * 4 * 2], 4 * 1, 0); - mem2hex (&frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedMQ, ®s[MQ_REGNUM * 4 * 2], 4 * 1, 0); -} - -/* Put the registers back into the frame information. */ - -void -registers_to_frame (regs, frame) - char *regs; - struct StackFrame *frame; -{ - hex2mem (®s[GP0_REGNUM * 4 * 2], &frame->ExceptionState.CsavedRegs, 4 * 32, 0); - - hex2mem (®s[FP0_REGNUM * 4 * 2], &frame->ExceptionState.CSavedFPRegs, 4 * 32, 0); - - hex2mem (®s[PC_REGNUM * 4 * 2], &frame->ExceptionPC, 4 * 1, 0); - - hex2mem (®s[CR_REGNUM * 4 * 2], &frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedSRR1, 4 * 1, 0); - hex2mem (®s[LR_REGNUM * 4 * 2], &frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedLR, 4 * 1, 0); - hex2mem (®s[CTR_REGNUM * 4 * 2], &frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedCTR, 4 * 1, 0); - hex2mem (®s[XER_REGNUM * 4 * 2], &frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedXER, 4 * 1, 0); - hex2mem (®s[MQ_REGNUM * 4 * 2], &frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedMQ, 4 * 1, 0); -} - - -extern volatile int mem_err; - -#ifdef ALTERNATE_MEM_FUNCS -extern int ReadByteAltDebugger (char* addr, char *theByte); -extern int WriteByteAltDebugger (char* addr, char theByte); -int -get_char (addr) - char *addr; -{ - char c; - - if (!ReadByteAltDebugger (addr, &c)) - mem_err = 1; - - return c; -} - -void -set_char (addr, val) - char *addr; - int val; -{ - if (!WriteByteAltDebugger (addr, val)) - mem_err = 1; -} -#endif - -int -mem_write (dst, src, len) - char *dst, *src; - int len; -{ - while (len-- && !mem_err) - set_char (dst++, *src++); - - return mem_err; -} - -union inst -{ - LONG l; - - struct - { - union - { - struct /* Unconditional branch */ - { - unsigned opcode : 6; /* 18 */ - signed li : 24; - unsigned aa : 1; - unsigned lk : 1; - } b; - struct /* Conditional branch */ - { - unsigned opcode : 6; /* 16 */ - unsigned bo : 5; - unsigned bi : 5; - signed bd : 14; - unsigned aa : 1; - unsigned lk : 1; - } bc; - struct /* Conditional branch to ctr or lr reg */ - { - unsigned opcode : 6; /* 19 */ - unsigned bo : 5; - unsigned bi : 5; - unsigned type : 15; /* 528 = ctr, 16 = lr */ - unsigned lk : 1; - } bclr; - } variant; - } inst; -}; - -static LONG saved_inst; -static LONG *saved_inst_pc = 0; -static LONG saved_target_inst; -static LONG *saved_target_inst_pc = 0; - -void -set_step_traps (frame) - struct StackFrame *frame; -{ - union inst inst; - LONG *target; - int opcode; - int ra, rb; - LONG *pc = (LONG *)frame->ExceptionPC; - - inst.l = *pc++; - - opcode = inst.inst.variant.b.opcode; - - target = pc; - - switch (opcode) - { - case 18: /* Unconditional branch */ - - if (inst.inst.variant.b.aa) /* Absolute? */ - target = 0; - target += inst.inst.variant.b.li; - - break; - case 16: /* Conditional branch */ - - if (!inst.inst.variant.bc.aa) /* Absolute? */ - target = 0; - target += inst.inst.variant.bc.bd; - - break; - case 19: /* Cond. branch via ctr or lr reg */ - switch (inst.inst.variant.bclr.type) - { - case 528: /* ctr */ - target = (LONG *)frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedCTR; - break; - case 16: /* lr */ - target = (LONG *)frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedLR; - break; - } - break; - } - - saved_inst = *pc; - mem_write (pc, breakpoint_insn, BREAKPOINT_SIZE); - saved_inst_pc = pc; - - if (target != pc) - { - saved_target_inst = *target; - mem_write (target, breakpoint_insn, BREAKPOINT_SIZE); - saved_target_inst_pc = target; - } -} - -/* Remove step breakpoints. Returns non-zero if pc was at a step breakpoint, - zero otherwise. This routine works even if there were no step breakpoints - set. */ - -int -clear_step_traps (frame) - struct StackFrame *frame; -{ - int retcode; - LONG *pc = (LONG *)frame->ExceptionPC; - - if (saved_inst_pc == pc || saved_target_inst_pc == pc) - retcode = 1; - else - retcode = 0; - - if (saved_inst_pc) - { - mem_write (saved_inst_pc, saved_inst, BREAKPOINT_SIZE); - saved_inst_pc = 0; - } - - if (saved_target_inst_pc) - { - mem_write (saved_target_inst_pc, saved_target_inst, BREAKPOINT_SIZE); - saved_target_inst_pc = 0; - } - - return retcode; -} - -void -do_status (ptr, frame) - char *ptr; - struct StackFrame *frame; -{ - int sigval; - - sigval = computeSignal (frame->ExceptionNumber); - - sprintf (ptr, "T%02x", sigval); - ptr += 3; - - sprintf (ptr, "%02x:", PC_REGNUM); - ptr = mem2hex (&frame->ExceptionPC, ptr + 3, 4, 0); - *ptr++ = ';'; - - sprintf (ptr, "%02x:", SP_REGNUM); - ptr = mem2hex (&frame->ExceptionState.CsavedRegs[SP_REGNUM], ptr + 3, 4, 0); - *ptr++ = ';'; - - sprintf (ptr, "%02x:", LR_REGNUM); - ptr = mem2hex (&frame->ExceptionState.CsavedRegs[LR_REGNUM], ptr + 3, 4, 0); - *ptr++ = ';'; - - *ptr = '\000'; -} diff --git a/gdb/nlm/ppc.h b/gdb/nlm/ppc.h deleted file mode 100644 index 84cee6b..0000000 --- a/gdb/nlm/ppc.h +++ /dev/null @@ -1,165 +0,0 @@ -typedef long Long; - -/* The following enum is used to access the special registers in - the saved machine state. */ - -typedef enum -{ - kDc_SavedPC = 0, /* really SRR0 */ - kDc_SavedMSR = 1, /* really SRR1 */ - kDc_SavedCR = 2, - kDc_SavedLR = 3, - kDc_SavedDSISR = 4, - kDc_SavedDAR = 5, - kDc_SavedXER = 6, - kDc_SavedCTR = 7, - kDc_SavedSDR1 = 8, - kDc_SavedRTCU = 9, - kDc_SavedRTCL = 10, - kDc_SavedDEC = 11, - kDc_SavedSR00 = 12, /* The Segement Registers are consecutive */ - kDc_SavedSR01 = 13, /* kDc_SavedSR00 + n is supported */ - kDc_SavedSR02 = 14, - kDc_SavedSR03 = 15, - kDc_SavedSR04 = 16, - kDc_SavedSR05 = 17, - kDc_SavedSR06 = 18, - kDc_SavedSR07 = 19, - kDc_SavedSR08 = 20, - kDc_SavedSR09 = 21, - kDc_SavedSR10 = 22, - kDc_SavedSR11 = 23, - kDc_SavedSR12 = 24, - kDc_SavedSR13 = 25, - kDc_SavedSR14 = 26, - kDc_SavedSR15 = 27, - kDc_SavedFPSCR = 29, - kDc_SavedMQ = 30, - kDc_SavedBAT0U = 31, - kDc_SavedBAT0L = 32, - kDc_SavedBAT1U = 33, - kDc_SavedBAT1L = 34, - kDc_SavedBAT2U = 35, - kDc_SavedBAT2L = 36, - kDc_SavedBAT3U = 37, - kDc_SavedBAT3L = 38, - - kNumberSpecialRegisters = 39 -} Dc_SavedRegisterName; - -/* Access to floating points is not very easy. This allows the number to be - accessed both as a floating number and as a pair of Longs. */ - -typedef union -{ - double asfloat; /* access the variable as a floating number */ - struct - { - Long high; - Long low; - } - asLONG; /* access the variable as two Longs */ -} FloatingPoints; - -/* The following is the standard record for Saving a machine state */ - -struct SavedMachineState -{ - FloatingPoints CSavedFPRegs[32]; /* The floating point registers [0->31] */ - /* ***32bit assumption*** */ - Long CsavedRegs[32]; /* space to save the General Registers */ - /* These are saved 0->31 */ - Long CexReason; - Long SavedDomainID; - union - { /* must be 8-byte aligned, so doubleFPSCR is 8-byte aligned */ - struct - { - Long CsavedSRR0; /* Index 0 - The saved PC */ - Long CsavedSRR1; /* 1 saved MSR */ - Long CsavedCR; /* 2 */ - Long CsavedLR; /* 3 */ - Long CsavedDSISR; /* 4 */ - Long CsavedDAR; /* 5 */ - - Long CsavedXER; /* 6 */ - Long CsavedCTR; /* 7 */ - Long CsavedSDR1; /* 8 */ - Long CsavedRTCU; /* 9 */ - Long CsavedRTCL; /* 10 */ - Long CsavedDEC; /* 11 */ - Long CsavedSR0; /* 12 */ - Long CsavedSR1; /* 13 */ - Long CsavedSR2; /* 14 */ - Long CsavedSR3; /* 15 */ - Long CsavedSR4; /* 16 */ - Long CsavedSR5; /* 17 */ - Long CsavedSR6; /* 18 */ - Long CsavedSR7; /* 19 */ - Long CsavedSR8; /* 20 */ - Long CsavedSR9; /* 21 */ - Long CsavedSR10; /* 22 */ - Long CsavedSR11; /* 23 */ - Long CsavedSR12; /* 24 */ - Long CsavedSR13; /* 25 */ - Long CsavedSR14; /* 26 */ - Long CsavedSR15; /* 27 */ - /* CdoubleFPSCR must be double word aligned */ - Long CdoubleFPSCR; /* 28 this is the upper part of the store and has - no meaning */ - Long CsavedFPSCR; /* 29 */ - Long CsavedMQ; /* 30 */ - Long CsavedBAT0U; /* 31 */ - Long CsavedBAT0L; /* 32 */ - Long CsavedBAT1U; /* 33 */ - Long CsavedBAT1L; /* 34 */ - Long CsavedBAT2U; /* 35 */ - Long CsavedBAT2L; /* 36 */ - Long CsavedBAT3U; /* 37 */ - Long CsavedBAT3L; /* 38 */ - } - SpecialRegistersEnumerated; - - Long SpecialRegistersIndexed[kNumberSpecialRegisters]; - } u; - - Long Padding[3]; /* Needed for quad-word alignment */ -}; - -struct StackFrame -{ - LONG *ExceptionDomainID; - /*ProcessorStructure*/ int *ExceptionProcessorID; - BYTE *ExceptionDescription; - LONG ExceptionFlags; - LONG ExceptionErrorCode; - LONG ExceptionNumber; - struct SavedMachineState ExceptionState; -}; - -/* Register values. All of these values *MUST* agree with tm.h */ -#define GP0_REGNUM 0 /* GPR register 0 */ -#define SP_REGNUM 1 /* Contains address of top of stack */ -#define FP0_REGNUM 32 /* FPR (Floating point) register 0 */ -#define PC_REGNUM 64 /* Contains program counter */ -#define PS_REGNUM 65 /* Processor (or machine) status (%msr) */ -#define CR_REGNUM 66 /* Condition register */ -#define LR_REGNUM 67 /* Link register */ -#define CTR_REGNUM 68 /* Count register */ -#define XER_REGNUM 69 /* Fixed point exception registers */ -#define MQ_REGNUM 70 /* Multiply/quotient register */ -#define NUM_REGS 71 /* Number of machine registers */ -#define REGISTER_BYTES (420) /* Total size of registers array */ - -#define ExceptionPC ExceptionState.u.SpecialRegistersEnumerated.CsavedSRR0 -#define DECR_PC_AFTER_BREAK 0 /* PPCs get this right! */ -#define BREAKPOINT {0x7d, 0x82, 0x10, 0x08} -extern unsigned char breakpoint_insn[]; -#define BREAKPOINT_SIZE 4 - -#if 0 -#define ALTERNATE_MEM_FUNCS /* We need our own get_char/set_char */ -#endif - -extern int get_char (char *addr); -extern void set_char (char *addr, int val); diff --git a/gdb/nlm/prelude.c b/gdb/nlm/prelude.c deleted file mode 100644 index 37e12c8..0000000 --- a/gdb/nlm/prelude.c +++ /dev/null @@ -1,67 +0,0 @@ -/*=========================================================================== -= Novell Standard C Library for NetWare Loadable Modules -= -= Unpublished Copyright (C) 1993 by Novell, Inc. All rights reserved. -= -= No part of this file may be duplicated, revised, translated, localized or -= modified in any manner or compiled, linked or uploaded or downloaded to or -= from any computer system without the prior written consent of Novell, Inc. -============================================================================== -= The object produced by compiling this file is for use by the client of this -= library and is not linked in; Prelude.Obj is therefore one of the files to -= be distributed with CLib.NLM and its headers. -============================================================================== -*/ - -#include <stddef.h> -#if defined(__netware__) && defined(__i386__) -#define TERMINATE_BY_UNLOAD 5 -#else -#include <nwpre.h> -#endif -/*#include "libhooks.h"*/ - -extern int main (int, char **); - -static int NLMID; - - -void _Stop( void ) -{ - _TerminateNLM(NLMID, NULL, TERMINATE_BY_UNLOAD); -} - -int _cstart_( void ) -{ - return _SetupArgv(main); -} - -int _Prelude -( - int NLMHandle, - int initErrorScreenID, - char *commandLine, - char *loadDirectoryPath, - int uninitializedDataLength, - int NLMFileHandle, - int (*readRoutineP)(), - int customDataOffset, - int customDataSize -) -{ - int rc; - - rc = _StartNLM(NLMHandle, - initErrorScreenID, - commandLine, - loadDirectoryPath, - uninitializedDataLength, - NLMFileHandle, - readRoutineP, - customDataOffset, - customDataSize, - &NLMID, - _cstart_); - - return rc; -} |