diff options
author | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:34:07 +0000 |
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committer | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:34:07 +0000 |
commit | 071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch) | |
tree | 5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/gdbserver | |
parent | 1730ec6b1848f0f32154277f788fb29f88d8475b (diff) | |
download | gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.zip gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.gz gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.bz2 |
Initial creation of sourceware repository
Diffstat (limited to 'gdb/gdbserver')
-rw-r--r-- | gdb/gdbserver/.Sanitize | 46 | ||||
-rw-r--r-- | gdb/gdbserver/Makefile.in | 244 | ||||
-rw-r--r-- | gdb/gdbserver/README | 93 | ||||
-rw-r--r-- | gdb/gdbserver/configure.in | 100 | ||||
-rw-r--r-- | gdb/gdbserver/gdbreplay.c | 319 | ||||
-rw-r--r-- | gdb/gdbserver/low-hppabsd.c | 379 | ||||
-rw-r--r-- | gdb/gdbserver/low-linux.c | 451 | ||||
-rw-r--r-- | gdb/gdbserver/low-lynx.c | 746 | ||||
-rw-r--r-- | gdb/gdbserver/low-sim.c | 289 | ||||
-rw-r--r-- | gdb/gdbserver/low-sparc.c | 334 | ||||
-rw-r--r-- | gdb/gdbserver/low-sun3.c | 313 | ||||
-rw-r--r-- | gdb/gdbserver/remote-utils.c | 545 | ||||
-rw-r--r-- | gdb/gdbserver/server.c | 118 | ||||
-rw-r--r-- | gdb/gdbserver/utils.c | 82 |
14 files changed, 0 insertions, 4059 deletions
diff --git a/gdb/gdbserver/.Sanitize b/gdb/gdbserver/.Sanitize deleted file mode 100644 index 128ab1d..0000000 --- a/gdb/gdbserver/.Sanitize +++ /dev/null @@ -1,46 +0,0 @@ -# .Sanitize for devo/gdb/gdbserver. - -# Each directory to survive it's 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 - -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 -README -configure.in -gdbreplay.c -gdbserver.1 -low-hppabsd.c -low-linux.c -low-lynx.c -low-sim.c -low-sparc.c -low-sun3.c -remote-utils.c -server.c -server.h -utils.c - -Things-to-lose: - -Do-last: - -# End of file. diff --git a/gdb/gdbserver/Makefile.in b/gdb/gdbserver/Makefile.in deleted file mode 100644 index 274be74..0000000 --- a/gdb/gdbserver/Makefile.in +++ /dev/null @@ -1,244 +0,0 @@ -#Copyright 1989, 1990, 1991, 1992, 1993 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. - -prefix = /usr/local - -program_transform_name = -exec_prefix = $(prefix) -bindir = $(exec_prefix)/bin -libdir = $(exec_prefix)/lib -tooldir = $(libdir)/$(target_alias) - -datadir = $(prefix)/share -mandir = $(prefix)/man -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 = $(prefix)/info -includedir = $(prefix)/include - -SHELL = /bin/sh - -INSTALL = `cd $(srcdir)/../..;pwd`/install.sh -c -INSTALL_PROGRAM = $(INSTALL) -INSTALL_DATA = $(INSTALL) -INSTALL_XFORM = $(INSTALL) -t='$(program_transform_name)' -INSTALL_XFORM1 = $(INSTALL_XFORM) -b=.1 - -AR = ar -AR_FLAGS = qv -RANLIB = ranlib - -# If you are compiling with GCC, make sure that either 1) You use the -# -traditional flag, or 2) You have the fixed include files where GCC -# can reach them. Otherwise the ioctl calls in inflow.c -# will be incorrectly compiled. The "fixincludes" script in the gcc -# distribution will fix your include files up. -#CC=cc -#CC=gcc -traditional -GCC=gcc - -# Directory containing source files. Don't clean up the spacing, -# this exact string is matched for by the "configure" script. -srcdir = . - -# It is also possible that you will need to add -I/usr/include/sys to the -# CFLAGS section if your system doesn't have fcntl.h in /usr/include (which -# is where it should be according to Posix). - -# Set this up with gcc if you have gnu ld and the loader will print out -# line numbers for undefinded refs. -#CC-LD=gcc -static -CC-LD=${CC} - -# Where is the "include" directory? Traditionally ../include or ./include -INCLUDE_DIR = ${srcdir}/../../include -INCLUDE_DEP = $$(INCLUDE_DIR) - -# Where is the source dir for the MMALLOC library? Traditionally ../mmalloc -# or ./mmalloc (When we want the binary library built from it, we use -# ${MMALLOC_DIR}${subdir}.) -# Note that mmalloc can still be used on systems without mmap(). -# To use your system malloc, comment out the following defines. -MMALLOC_DIR = ${srcdir}/../../mmalloc -MMALLOC_DEP = $$(MMALLOC_DIR) -# To use your system malloc, uncomment MMALLOC_DISABLE. -#MMALLOC_DISABLE = -DNO_MMALLOC -# To use mmalloc but disable corruption checking, uncomment MMALLOC_CHECK -#MMALLOC_CHECK = -DNO_MMALLOC_CHECK -MMALLOC_CFLAGS = ${MMALLOC_CHECK} ${MMALLOC_DISABLE} -I${MMALLOC_DIR} - -# Where are the BFD library? -BFD_DIR = ../../bfd -BFD = $(BFD_DIR)/libbfd.a -BFD_SRC = $(srcdir)/$(BFD_DIR) -BFD_CFLAGS = -I$(BFD_DIR) -I$(BFD_SRC) - -# Where is the source dir for the READLINE library? Traditionally in .. or . -# (For the binary library built from it, we use ${READLINE_DIR}${subdir}.) -READLINE_DIR = ${srcdir}/../readline -READLINE_DEP = $$(READLINE_DIR) - -# All the includes used for CFLAGS and for lint. -# -I. for config files. -# -I${srcdir} possibly for regex.h also. -# -I${srcdir}/config for more generic config files. -INCLUDE_CFLAGS = -I. -I${srcdir} -I${srcdir}/.. -I${srcdir}/../config -I$(INCLUDE_DIR) - -# M{H,T}_CFLAGS, if defined, has host- and target-dependent CFLAGS -# from the config/ directory. -GLOBAL_CFLAGS = ${MT_CFLAGS} ${MH_CFLAGS} -#PROFILE_CFLAGS = -pg - -# 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} ${GLOBAL_CFLAGS} ${PROFILE_CFLAGS} \ - ${BFD_CFLAGS} ${MMALLOC_CFLAGS} ${INCLUDE_CFLAGS} - -# LDFLAGS is specifically reserved for setting from the command line -# when running make. - -# Perhaps should come from parent Makefile -VERSION = gdbserver-4.12.3 -DIST=gdb - -LINT=/usr/5bin/lint -LINTFLAGS= $(BFD_CFLAGS) - -# Host and target-dependent makefile fragments come in here. -#### -# End of host and target-dependent makefile fragments - -# All source files that go into linking GDB remote server. - -SFILES = $(srcdir)/low-lynx.c $(srcdir)/low-sparc.c $(srcdir)/low-sun3.c \ - $(srcdir)/low-hppabsd.c \ - $(srcdir)/utils.c $(srcdir)/server.c $(srcdir)/remote-utils.c - -DEPFILES = $(GDBSERVER_DEPFILES) - -SOURCES = $(SFILES) $(ALLDEPFILES) -TAGFILES = $(SOURCES) ${HFILES} ${ALLPARAM} ${POSSLIBS} - -OBS = utils.o $(GDBSERVER_DEPFILES) server.o remote-utils.o - -# 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} -c ${INTERNAL_CFLAGS} $< - -all: gdbserver gdbreplay - -# 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_XFORM) gdbserver $(bindir)/gdbserver - $(INSTALL_XFORM1) $(srcdir)/gdbserver.1 $(man1dir)/gdbserver.1 - -uninstall: force - rm -f $(bindir)/gdbserver $(man1dir)/gdbserver.1 - -installcheck: -check: -info dvi: -install-info: -clean-info: - -gdbserver: $(OBS) ${ADD_DEPS} ${CDEPS} - rm -f gdbserver - ${CC-LD} $(GLOBAL_CFLAGS) $(LDFLAGS) -o gdbserver $(OBS) \ - $(GDBSERVER_LIBS) - -config.status: - @echo "You must configure gdbserver. Look at the README file for details." - @false - -# 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 ${ADD_FILES} *~ - rm -f gdbserver core make.log - -distclean: clean - rm -f nm.h tm.h xm.h config.status - rm -f Makefile - -maintainer-clean realclean: clean - rm -f nm.h tm.h xm.h config.status - rm -f Makefile - -STAGESTUFF=${OBS} ${TSOBS} ${NTSOBS} ${ADD_FILES} init.c init.o version.c gdb - -Makefile: $(srcdir)/Makefile.in $(host_makefile_frag) $(target_makefile_frag) - $(SHELL) ./config.status - -force: - -version.c: Makefile - echo 'char *version = "$(VERSION)";' >version.c - -# 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). This variable setting -# will remove them. -MAKEOVERRIDES= - -## This is ugly, but I don't want GNU make to put these variables in -## the environment. Older makes will see this as a set of targets -## with no dependencies and no actions. -unexport CHILLFLAGS CHILL_LIB CHILL_FOR_TARGET : - -server.o : ${srcdir}/server.c ${srcdir}/server.h -remote-utils.o : ${srcdir}/remote-utils.c ${srcdir}/server.h -low-lynx.o : ${srcdir}/low-lynx.c ${srcdir}/server.h -low-sparc.o : $(srcdir)/low-sparc.c $(srcdir)/server.h -low-sun3.o : $(srcdir)/low-sun3.c $(srcdir)/server.h -low-hppabsd.o : $(srcdir)/low-hppabsd.c $(srcdir)/server.h -utils.o : ${srcdir}/utils.c ${srcdir}/server.h - -# This is the end of "Makefile.in". diff --git a/gdb/gdbserver/README b/gdb/gdbserver/README deleted file mode 100644 index e453705..0000000 --- a/gdb/gdbserver/README +++ /dev/null @@ -1,93 +0,0 @@ -This is a test line for tags testing. - - README for GDBserver - by Stu Grossman - -Introduction: - -This is GDBserver, a remote server for Un*x-like systems. It can be used to -control the execution of a program on a target system from a GDB on a different -host. GDB and GDBserver communicate using the standard remote serial protocol -implemented in remote.c, and various *-stub.c files. They communicate via -either a serial line or a TCP connection. - -Usage (server (target) side): - -First, you need to have a copy of the program you want to debug put onto -the target system. The program can be stripped to save space if needed, as -GDBserver doesn't care about symbols. All symbol handling is taken care of by -the GDB running on the host system. - -To use the server, you log on to the target system, and run the `gdbserver' -program. You must tell it (a) how to communicate with GDB, (b) the name of -your program, and (c) its arguments. The general syntax is: - - target> gdbserver COMM PROGRAM [ARGS ...] - -For example, using a serial port, you might say: - - target> gdbserver /dev/com1 emacs foo.txt - -This tells gdbserver to debug emacs with an argument of foo.txt, and to -communicate with GDB via /dev/com1. Gdbserver now waits patiently for the -host GDB to communicate with it. - -To use a TCP connection, you could say: - - target> gdbserver host:2345 emacs foo.txt - -This says pretty much the same thing as the last example, except that we are -going to communicate with the host GDB via TCP. The `host:2345' argument means -that we are expecting to see a TCP connection from `host' to local TCP port -2345. (Currently, the `host' part is ignored.) You can choose any number you -want for the port number as long as it does not conflict with any existing TCP -ports on the target system. This same port number must be used in the host -GDBs `target remote' command, which will be described shortly. Note that if -you chose a port number that conflicts with another service, gdbserver will -print an error message and exit. - -Usage (host side): - -You need an unstripped copy of the target program on your host system, since -GDB needs to examine it's symbol tables and such. Start up GDB as you normally -would, with the target program as the first argument. (You may need to use the ---baud option if the serial line is running at anything except 9600 baud.) -Ie: `gdb TARGET-PROG', or `gdb --baud BAUD TARGET-PROG'. After that, the only -new command you need to know about is `target remote'. It's argument is either -a device name (usually a serial device, like `/dev/ttyb'), or a HOST:PORT -descriptor. For example: - - (gdb) target remote /dev/ttyb - -communicates with the server via serial line /dev/ttyb, and: - - (gdb) target remote the-target:2345 - -communicates via a TCP connection to port 2345 on host `the-target', where -you previously started up gdbserver with the same port number. Note that for -TCP connections, you must start up gdbserver prior to using the `target remote' -command, otherwise you may get an error that looks something like -`Connection refused'. - -Building: - -Currently, the only target system supported by the server is Lynx. To build -the server for Lynx, make a new copy of the distribution onto a disk that is -NFS shared with the Lynx system. Lets say that's in a directory called xyzzy. -Then, follow these steps under the host system: - - 1) cd xyzzy/gdb/gdbserver - 2) ../../configure --target i386-none-lynx - -When that completes, do the following on the Lynx system: - - 3) cd xyzzy/gdb/gdbserver - 4) make CC=gcc - -It should build with only a minor complaint about NULL being redefined. That's -a LynxOS problem, and can be ignored. - -It's also possible that you may have a cross-compiler to Lynx. In that case, -you can skip the stuff about NFS. You would replace steps 3 & 4 with: - - make CC=lynx-target-compiler... diff --git a/gdb/gdbserver/configure.in b/gdb/gdbserver/configure.in deleted file mode 100644 index 1bbb73c..0000000 --- a/gdb/gdbserver/configure.in +++ /dev/null @@ -1,100 +0,0 @@ -srcname="Remote GDB server" -srctrigger=server.c -gdb_serial_driver=../ser-unix.c - -# per-host: - -. ${srcdir}/../configure.host - -echo "gdbserver/configure.in: host is $host, target is $target" - -if [ ! -f ${srcdir}/../config/${gdb_host_cpu}/${gdb_host}.mh ]; then - echo '***' "GDB remote does not support host ${host}" 1>&2 - exit 1 -fi - -# We really shouldn't depend on there being a space after XM_FILE= ... -hostfile=`awk '$1 == "XM_FILE=" { print $2 }' <${srcdir}/../config/${gdb_host_cpu}/${gdb_host}.mh` - -# per-target: - -. ${srcdir}/../configure.tgt - -echo "gdbserver/configure.in: host_cpu is $host_cpu, target_cpu is $target_cpu" - -if [ ! -f ${srcdir}/../config/${gdb_target_cpu}/${gdb_target}.mt ]; then - echo '***' "GDB remote does not support target ${target}" 1>&2 - exit 1 -fi - -if [ -z "${removing}" ] ; then - cat ${srcdir}/../config/${gdb_host_cpu}/${gdb_host}.mh ${srcdir}/../config/${gdb_target_cpu}/${gdb_target}.mt | awk '$1 == "#msg" { - print substr($0,6)}' -fi - -# We really shouldn't depend on there being a space after TM_FILE= ... -targetfile=`awk '$1 == "TM_FILE=" { print $2 }' <${srcdir}/../config/${gdb_target_cpu}/${gdb_target}.mt` - -if [ "${target}" = "${host}" ] ; then - nativefile=`awk '$1 == "NAT_FILE=" { print $2 }' <${srcdir}/../config/${gdb_host_cpu}/${gdb_host}.mh` -fi - -host_makefile_frag=../config/${gdb_host_cpu}/${gdb_host}.mh -target_makefile_frag=../config/${gdb_target_cpu}/${gdb_target}.mt - -# If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile -# (NAT_FILE) is not set in the ?config/* file, we don't make the -# corresponding links. But we have to remove the xm.h files and tm.h -# files anyway, e.g. when switching from "configure host" to -# "configure none". - -files= -links= -rm -f xm.h -rm -f ser-hardwire.c -if [ "${hostfile}" != "" ]; then - if [ -f ${srcdir}/../config/${hostfile} ]; then - files="${files} ../config/${hostfile}" - else - files="${files} ../config/${gdb_host_cpu}/${hostfile}" - fi - links="${links} xm.h" - -# files="${files} ${gdb_serial_driver}" -# links="${links} ser-hardwire.c" -fi -rm -f tm.h -if [ "${targetfile}" != "" ]; then - if [ -f ${srcdir}/../config/${targetfile} ]; then - files="${files} ../config/${targetfile}" - else - files="${files} ../config/${gdb_target_cpu}/${targetfile}" - fi - links="${links} tm.h" -fi -rm -f nm.h -if [ "${nativefile}" != "" ]; then - if [ -f ${srcdir}/../config/${nativefile} ]; then - files="${files} ../config/${nativefile}" - else - files="${files} ../config/${gdb_host_cpu}/${nativefile}" - fi - links="${links} nm.h" -# temporary scaffolding until all hosts have the host/target/native -# split in place. -else - files="${files} ../config/nm-empty.h" - links="${links} nm.h" -fi - -if [ ${target_cpu} = "sparclite" ]; then - configdirs="${configdirs} sparclite" -fi - -# post-target: - -if [ "${nativefile}" = "" ] ; then - sed -e '/^NATDEPFILES= /s//# NATDEPFILES= /' \ - < Makefile > Makefile.tem - mv -f Makefile.tem Makefile -fi diff --git a/gdb/gdbserver/gdbreplay.c b/gdb/gdbserver/gdbreplay.c deleted file mode 100644 index 4d5795a..0000000 --- a/gdb/gdbserver/gdbreplay.c +++ /dev/null @@ -1,319 +0,0 @@ -/* Replay a remote debug session logfile for GDB. - Copyright (C) 1996 Free Software Foundation, Inc. - Written by Fred Fish (fnf@cygnus.com) from pieces of gdbserver. - -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. */ - -#include <stdio.h> -#include <sgtty.h> -#include <sys/file.h> -#include <netinet/in.h> -#include <sys/socket.h> -#include <netdb.h> -#include <netinet/tcp.h> -#include <signal.h> -#include <ctype.h> - -/* Sort of a hack... */ -#define EOL (EOF - 1) - -static int remote_desc; - -/* Print the system error message for errno, and also mention STRING - as the file name for which the error was encountered. - Then return to command level. */ - -void -perror_with_name (string) - char *string; -{ - extern int sys_nerr; - extern char *sys_errlist[]; - extern int errno; - char *err; - char *combined; - - err = (errno < sys_nerr) ? sys_errlist[errno] : "unknown error"; - combined = (char *) alloca (strlen (err) + strlen (string) + 3); - strcpy (combined, string); - strcat (combined, ": "); - strcat (combined, err); - fprintf (stderr, "\n%s.\n", combined); - fflush (stderr); - exit (1); -} - -static void -sync_error (fp, desc, expect, got) - FILE *fp; - char *desc; - int expect; - int got; -{ - fprintf (stderr, "\n%s\n", desc); - fprintf (stderr, "At logfile offset %ld, expected '0x%x' got '0x%x'\n", - ftell (fp), expect, got); - fflush (stderr); - exit (1); -} - -void -remote_close() -{ - close (remote_desc); -} - -/* Open a connection to a remote debugger. - NAME is the filename used for communication. */ - -void -remote_open (name) - char *name; -{ - struct sgttyb sg; - extern char *strchr (); - - if (!strchr (name, ':')) - { - fprintf (stderr, "%s: Must specify tcp connection as host:addr\n", name); - fflush (stderr); - exit (1); - } - else - { - char *port_str; - int port; - struct sockaddr_in sockaddr; - int tmp; - struct protoent *protoent; - int tmp_desc; - - port_str = strchr (name, ':'); - - port = atoi (port_str + 1); - - tmp_desc = socket (PF_INET, SOCK_STREAM, 0); - if (tmp_desc < 0) - perror_with_name ("Can't open socket"); - - /* Allow rapid reuse of this port. */ - tmp = 1; - setsockopt (tmp_desc, SOL_SOCKET, SO_REUSEADDR, (char *)&tmp, - sizeof(tmp)); - - sockaddr.sin_family = PF_INET; - sockaddr.sin_port = htons(port); - sockaddr.sin_addr.s_addr = INADDR_ANY; - - if (bind (tmp_desc, (struct sockaddr *)&sockaddr, sizeof (sockaddr)) - || listen (tmp_desc, 1)) - perror_with_name ("Can't bind address"); - - tmp = sizeof (sockaddr); - remote_desc = accept (tmp_desc, (struct sockaddr *)&sockaddr, &tmp); - if (remote_desc == -1) - perror_with_name ("Accept failed"); - - protoent = getprotobyname ("tcp"); - if (!protoent) - perror_with_name ("getprotobyname"); - - /* Enable TCP keep alive process. */ - tmp = 1; - setsockopt (tmp_desc, SOL_SOCKET, SO_KEEPALIVE, (char *)&tmp, sizeof(tmp)); - - /* Tell TCP not to delay small packets. This greatly speeds up - interactive response. */ - tmp = 1; - setsockopt (remote_desc, protoent->p_proto, TCP_NODELAY, - (char *)&tmp, sizeof(tmp)); - - close (tmp_desc); /* No longer need this */ - - signal (SIGPIPE, SIG_IGN); /* If we don't do this, then gdbreplay simply - exits when the remote side dies. */ - } - - fcntl (remote_desc, F_SETFL, FASYNC); - - fprintf (stderr, "Replay logfile using %s\n", name); - fflush (stderr); -} - -static int tohex (ch) - int ch; -{ - if (ch >= '0' && ch <= '9') - { - return (ch - '0'); - } - if (ch >= 'A' && ch <= 'F') - { - return (ch - 'A' + 10); - } - if (ch >= 'a' && ch <= 'f') - { - return (ch - 'a' + 10); - } - fprintf (stderr, "\nInvalid hex digit '%c'\n", ch); - fflush (stderr); - exit (1); -} - -static int -logchar (fp) - FILE *fp; -{ - int ch; - int ch2; - - ch = fgetc (fp); - fputc (ch, stdout); - fflush (stdout); - switch (ch) - { - case '\n': - ch = EOL; - break; - case '\\': - ch = fgetc (fp); - fputc (ch, stdout); - fflush (stdout); - switch (ch) - { - case '\\': break; - case 'b': ch = '\b'; break; - case 'f': ch = '\f'; break; - case 'n': ch = '\n'; break; - case 'r': ch = '\r'; break; - case 't': ch = '\t'; break; - case 'v': ch = '\v'; break; - case 'x': - ch2 = fgetc (fp); - fputc (ch2, stdout); - fflush (stdout); - ch = tohex (ch2) << 4; - ch2 = fgetc (fp); - fputc (ch2, stdout); - fflush (stdout); - ch |= tohex (ch2); - break; - default: - /* Treat any other char as just itself */ - break; - } - default: - break; - } - return (ch); -} - -/* Accept input from gdb and match with chars from fp (after skipping one - blank) up until a \n is read from fp (which is not matched) */ - -void -expect (fp) - FILE *fp; -{ - int fromlog; - unsigned char fromgdb; - - if ((fromlog = logchar (fp)) != ' ') - { - sync_error (fp, "Sync error during gdb read of leading blank", ' ', - fromlog); - } - do - { - fromlog = logchar (fp); - if (fromlog == EOL) - { - break; - } - read (remote_desc, &fromgdb, 1); - } while (fromlog == fromgdb); - if (fromlog != EOL) - { - sync_error (fp, "Sync error during read of gdb packet", fromlog, - fromgdb); - } -} - -/* Play data back to gdb from fp (after skipping leading blank) up until a - \n is read from fp (which is discarded and not sent to gdb). */ - -void -play (fp) - FILE *fp; -{ - int fromlog; - char ch; - - if ((fromlog = logchar (fp)) != ' ') - { - sync_error (fp, "Sync error skipping blank during write to gdb", ' ', - fromlog); - } - while ((fromlog = logchar (fp)) != EOL) - { - ch = fromlog; - write (remote_desc, &ch, 1); - } -} - -int -main (argc, argv) - int argc; - char *argv[]; -{ - FILE *fp; - int ch; - - if (argc < 3) - { - fprintf (stderr, "Usage: gdbreplay <logfile> <host:port>\n"); - fflush (stderr); - exit (1); - } - fp = fopen (argv[1], "r"); - if (fp == NULL) - { - perror_with_name (argv[1]); - } - remote_open (argv[2]); - while ((ch = logchar (fp)) != EOF) - { - switch (ch) - { - case 'w': - /* data sent from gdb to gdbreplay, accept and match it */ - expect (fp); - break; - case 'r': - /* data sent from gdbreplay to gdb, play it */ - play (fp); - break; - case 'c': - /* Command executed by gdb */ - while ((ch = logchar (fp)) != EOL); - break; - } - } - remote_close (); - exit (0); -} - diff --git a/gdb/gdbserver/low-hppabsd.c b/gdb/gdbserver/low-hppabsd.c deleted file mode 100644 index c784d0c..0000000 --- a/gdb/gdbserver/low-hppabsd.c +++ /dev/null @@ -1,379 +0,0 @@ -/* Low level interface to ptrace, for the remote server for GDB. - Copyright (C) 1995 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. */ - -#include "defs.h" -#include <sys/wait.h> -#include "frame.h" -#include "inferior.h" - -#include <stdio.h> -#include <sys/param.h> -#include <sys/dir.h> -#include <sys/user.h> -#include <signal.h> -#include <sys/ioctl.h> -#include <sgtty.h> -#include <fcntl.h> - -/***************Begin MY defs*********************/ -int quit_flag = 0; -char registers[REGISTER_BYTES]; - -/* Index within `registers' of the first byte of the space for - register N. */ - - -char buf2[MAX_REGISTER_RAW_SIZE]; -/***************End MY defs*********************/ - -#include <sys/ptrace.h> -#include <machine/reg.h> - -extern char **environ; -extern int errno; -extern int inferior_pid; -void quit (), perror_with_name (); -int query (); - -/* Start an inferior process and returns its pid. - ALLARGS is a vector of program-name and args. - ENV is the environment vector to pass. */ - -int -create_inferior (program, allargs) - char *program; - char **allargs; -{ - int pid; - - pid = fork (); - if (pid < 0) - perror_with_name ("fork"); - - if (pid == 0) - { - ptrace (PT_TRACE_ME, 0, 0, 0, 0); - - execv (program, allargs); - - fprintf (stderr, "Cannot exec %s: %s.\n", program, - errno < sys_nerr ? sys_errlist[errno] : "unknown error"); - fflush (stderr); - _exit (0177); - } - - return pid; -} - -/* Kill the inferior process. Make us have no inferior. */ - -void -kill_inferior () -{ - if (inferior_pid == 0) - return; - ptrace (8, inferior_pid, 0, 0, 0); - wait (0); - /*************inferior_died ();****VK**************/ -} - -/* Return nonzero if the given thread is still alive. */ -int -mythread_alive (pid) - int pid; -{ - return 1; -} - -/* Wait for process, returns status */ - -unsigned char -mywait (status) - char *status; -{ - int pid; - union wait w; - - pid = wait (&w); - if (pid != inferior_pid) - perror_with_name ("wait"); - - if (WIFEXITED (w)) - { - fprintf (stderr, "\nChild exited with retcode = %x \n", WEXITSTATUS (w)); - *status = 'W'; - return ((unsigned char) WEXITSTATUS (w)); - } - else if (!WIFSTOPPED (w)) - { - fprintf (stderr, "\nChild terminated with signal = %x \n", WTERMSIG (w)); - *status = 'X'; - return ((unsigned char) WTERMSIG (w)); - } - - fetch_inferior_registers (0); - - *status = 'T'; - return ((unsigned char) WSTOPSIG (w)); -} - -/* Resume execution of the inferior process. - If STEP is nonzero, single-step it. - If SIGNAL is nonzero, give it that signal. */ - -void -myresume (step, signal) - int step; - int signal; -{ - errno = 0; - ptrace (step ? PT_STEP : PT_CONTINUE, inferior_pid, 1, signal, 0); - if (errno) - perror_with_name ("ptrace"); -} - - -#if !defined (offsetof) -#define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER) -#endif - -/* U_REGS_OFFSET is the offset of the registers within the u area. */ -#if !defined (U_REGS_OFFSET) -#define U_REGS_OFFSET \ - ptrace (PT_READ_U, inferior_pid, \ - (PTRACE_ARG3_TYPE) (offsetof (struct user, u_ar0)), 0) \ - - KERNEL_U_ADDR -#endif - -CORE_ADDR -register_addr (regno, blockend) - int regno; - CORE_ADDR blockend; -{ - CORE_ADDR addr; - - if (regno < 0 || regno >= ARCH_NUM_REGS) - error ("Invalid register number %d.", regno); - - REGISTER_U_ADDR (addr, blockend, regno); - - return addr; -} - -/* Fetch one register. */ - -static void -fetch_register (regno) - int regno; -{ - register unsigned int regaddr; - char buf[MAX_REGISTER_RAW_SIZE]; - register int i; - - /* Offset of registers within the u area. */ - unsigned int offset; - - offset = U_REGS_OFFSET; - - regaddr = register_addr (regno, offset); - for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int)) - { - errno = 0; - *(int *) ®isters[ regno * 4 + i] = ptrace (PT_RUREGS, inferior_pid, - (PTRACE_ARG3_TYPE) regaddr, 0, 0); - regaddr += sizeof (int); - if (errno != 0) - { - /* Warning, not error, in case we are attached; sometimes the - kernel doesn't let us at the registers. */ - char *err = strerror (errno); - char *msg = alloca (strlen (err) + 128); - sprintf (msg, "reading register %d: %s", regno, err); - error (msg); - goto error_exit; - } - } - error_exit:; -} - -/* Fetch all registers, or just one, from the child process. */ - -void -fetch_inferior_registers (regno) - int regno; -{ - if (regno == -1 || regno == 0) - for (regno = 0; regno < NUM_REGS; regno++) - fetch_register (regno); - else - fetch_register (regno); -} - -/* 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). */ - -void -store_inferior_registers (regno) - int regno; -{ - register unsigned int regaddr; - char buf[80]; - extern char registers[]; - register int i; - unsigned int offset = U_REGS_OFFSET; - int scratch; - - if (regno >= 0) - { - if (CANNOT_STORE_REGISTER (regno)) - return; - regaddr = register_addr (regno, offset); - errno = 0; - if (regno == PCOQ_HEAD_REGNUM || regno == PCOQ_TAIL_REGNUM) - { - scratch = *(int *) ®isters[REGISTER_BYTE (regno)] | 0x3; - ptrace (PT_WUREGS, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, - scratch, 0); - if (errno != 0) - { - /* Error, even if attached. Failing to write these two - registers is pretty serious. */ - sprintf (buf, "writing register number %d", regno); - perror_with_name (buf); - } - } - else - for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(int)) - { - errno = 0; - ptrace (PT_WUREGS, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, - *(int *) ®isters[REGISTER_BYTE (regno) + i], 0); - if (errno != 0) - { - /* Warning, not error, in case we are attached; sometimes the - kernel doesn't let us at the registers. */ - char *err = strerror (errno); - char *msg = alloca (strlen (err) + 128); - sprintf (msg, "writing register %d: %s", - regno, err); - error (msg); - return; - } - regaddr += sizeof(int); - } - } - else - for (regno = 0; regno < NUM_REGS; regno++) - store_inferior_registers (regno); -} - -/* NOTE! I tried using PTRACE_READDATA, etc., to read and write memory - in the NEW_SUN_PTRACE case. - It ought to be straightforward. But it appears that writing did - not write the data that I specified. I cannot understand where - it got the data that it actually did write. */ - -/* Copy LEN bytes from inferior's memory starting at MEMADDR - to debugger memory starting at MYADDR. */ - -read_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; -{ - register int i; - /* Round starting address down to longword boundary. */ - register CORE_ADDR addr = memaddr & -sizeof (int); - /* Round ending address up; get number of longwords that makes. */ - register int count - = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int); - /* Allocate buffer of that many longwords. */ - register int *buffer = (int *) alloca (count * sizeof (int)); - - /* Read all the longwords */ - for (i = 0; i < count; i++, addr += sizeof (int)) - { - buffer[i] = ptrace (1, inferior_pid, addr, 0, 0); - } - - /* Copy appropriate bytes out of the buffer. */ - memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len); -} - -/* Copy LEN bytes of data from debugger memory at MYADDR - to inferior's memory at MEMADDR. - On failure (cannot write the inferior) - returns the value of errno. */ - -int -write_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; -{ - register int i; - /* Round starting address down to longword boundary. */ - register CORE_ADDR addr = memaddr & -sizeof (int); - /* Round ending address up; get number of longwords that makes. */ - register int count - = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int); - /* Allocate buffer of that many longwords. */ - register int *buffer = (int *) alloca (count * sizeof (int)); - extern int errno; - - /* Fill start and end extra bytes of buffer with existing memory data. */ - - buffer[0] = ptrace (1, inferior_pid, addr, 0, 0); - - if (count > 1) - { - buffer[count - 1] - = ptrace (1, inferior_pid, - addr + (count - 1) * sizeof (int), 0, 0); - } - - /* Copy data to be written over corresponding part of buffer */ - - memcpy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len); - - /* Write the entire buffer. */ - - for (i = 0; i < count; i++, addr += sizeof (int)) - { - errno = 0; - ptrace (4, inferior_pid, addr, buffer[i], 0); - if (errno) - return errno; - } - - return 0; -} - -void -initialize () -{ - inferior_pid = 0; -} - -int -have_inferior_p () -{ - return inferior_pid != 0; -} diff --git a/gdb/gdbserver/low-linux.c b/gdb/gdbserver/low-linux.c deleted file mode 100644 index 1060210..0000000 --- a/gdb/gdbserver/low-linux.c +++ /dev/null @@ -1,451 +0,0 @@ -/* Low level interface to ptrace, for the remote server for GDB. - Copyright (C) 1995, 1996 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. */ - -#include "defs.h" -#include <sys/wait.h> -#include "frame.h" -#include "inferior.h" - -#include <stdio.h> -#include <sys/param.h> -#include <sys/dir.h> -#include <sys/user.h> -#include <signal.h> -#include <sys/ioctl.h> -#if 0 -#include <sgtty.h> -#endif -#include <fcntl.h> - -/***************Begin MY defs*********************/ -int quit_flag = 0; -char registers[REGISTER_BYTES]; - -/* Index within `registers' of the first byte of the space for - register N. */ - - -char buf2[MAX_REGISTER_RAW_SIZE]; -/***************End MY defs*********************/ - -#include <sys/ptrace.h> - -#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) -#include <sys/reg.h> -#endif - -extern char **environ; -extern int errno; -extern int inferior_pid; -void quit (), perror_with_name (); -int query (); - -/* Start an inferior process and returns its pid. - ALLARGS is a vector of program-name and args. - ENV is the environment vector to pass. */ - -int -create_inferior (program, allargs) - char *program; - char **allargs; -{ - int pid; - - pid = fork (); - if (pid < 0) - perror_with_name ("fork"); - - if (pid == 0) - { - ptrace (PTRACE_TRACEME, 0, 0, 0); - - execv (program, allargs); - - fprintf (stderr, "Cannot exec %s: %s.\n", program, - errno < sys_nerr ? sys_errlist[errno] : "unknown error"); - fflush (stderr); - _exit (0177); - } - - return pid; -} - -/* Kill the inferior process. Make us have no inferior. */ - -void -kill_inferior () -{ - if (inferior_pid == 0) - return; - ptrace (PTRACE_KILL, inferior_pid, 0, 0); - wait (0); - /*************inferior_died ();****VK**************/ -} - -/* Return nonzero if the given thread is still alive. */ -int -mythread_alive (pid) - int pid; -{ - return 1; -} - -/* Wait for process, returns status */ - -unsigned char -mywait (status) - char *status; -{ - int pid; - union wait w; - - pid = wait (&w); - if (pid != inferior_pid) - perror_with_name ("wait"); - - if (WIFEXITED (w)) - { - fprintf (stderr, "\nChild exited with retcode = %x \n", WEXITSTATUS (w)); - *status = 'W'; - return ((unsigned char) WEXITSTATUS (w)); - } - else if (!WIFSTOPPED (w)) - { - fprintf (stderr, "\nChild terminated with signal = %x \n", WTERMSIG (w)); - *status = 'X'; - return ((unsigned char) WTERMSIG (w)); - } - - fetch_inferior_registers (0); - - *status = 'T'; - return ((unsigned char) WSTOPSIG (w)); -} - -/* Resume execution of the inferior process. - If STEP is nonzero, single-step it. - If SIGNAL is nonzero, give it that signal. */ - -void -myresume (step, signal) - int step; - int signal; -{ - errno = 0; - ptrace (step ? PTRACE_SINGLESTEP : PTRACE_CONT, inferior_pid, 1, signal); - if (errno) - perror_with_name ("ptrace"); -} - - -#if !defined (offsetof) -#define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER) -#endif - -/* U_REGS_OFFSET is the offset of the registers within the u area. */ -#if !defined (U_REGS_OFFSET) -#define U_REGS_OFFSET \ - ptrace (PT_READ_U, inferior_pid, \ - (PTRACE_ARG3_TYPE) (offsetof (struct user, u_ar0)), 0) \ - - KERNEL_U_ADDR -#endif - -#ifndef TARGET_M68K -/* this table must line up with REGISTER_NAMES in tm-i386v.h */ -/* symbols like 'EAX' come from <sys/reg.h> */ -static int regmap[] = -{ - EAX, ECX, EDX, EBX, - UESP, EBP, ESI, EDI, - EIP, EFL, CS, SS, - DS, ES, FS, GS, -}; - -int -i386_register_u_addr (blockend, regnum) - int blockend; - int regnum; -{ -#if 0 - /* this will be needed if fp registers are reinstated */ - /* for now, you can look at them with 'info float' - * sys5 wont let you change them with ptrace anyway - */ - if (regnum >= FP0_REGNUM && regnum <= FP7_REGNUM) - { - int ubase, fpstate; - struct user u; - ubase = blockend + 4 * (SS + 1) - KSTKSZ; - fpstate = ubase + ((char *)&u.u_fpstate - (char *)&u); - return (fpstate + 0x1c + 10 * (regnum - FP0_REGNUM)); - } - else -#endif - return (blockend + 4 * regmap[regnum]); - -} -#else /* TARGET_M68K */ -/* This table must line up with REGISTER_NAMES in tm-m68k.h */ -static int regmap[] = -{ -#ifdef PT_D0 - PT_D0, PT_D1, PT_D2, PT_D3, PT_D4, PT_D5, PT_D6, PT_D7, - PT_A0, PT_A1, PT_A2, PT_A3, PT_A4, PT_A5, PT_A6, PT_USP, - PT_SR, PT_PC, -#else - 14, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, - 17, 18, -#endif -#ifdef PT_FP0 - PT_FP0, PT_FP1, PT_FP2, PT_FP3, PT_FP4, PT_FP5, PT_FP6, PT_FP7, - PT_FPCR, PT_FPSR, PT_FPIAR -#else - 21, 24, 27, 30, 33, 36, 39, 42, 45, 46, 47 -#endif -}; - -/* BLOCKEND is the value of u.u_ar0, and points to the place where GS - is stored. */ - -int -m68k_linux_register_u_addr (blockend, regnum) - int blockend; - int regnum; -{ - return (blockend + 4 * regmap[regnum]); -} -#endif - -CORE_ADDR -register_addr (regno, blockend) - int regno; - CORE_ADDR blockend; -{ - CORE_ADDR addr; - - if (regno < 0 || regno >= ARCH_NUM_REGS) - error ("Invalid register number %d.", regno); - - REGISTER_U_ADDR (addr, blockend, regno); - - return addr; -} - -/* Fetch one register. */ - -static void -fetch_register (regno) - int regno; -{ - register unsigned int regaddr; - register int i; - - /* Offset of registers within the u area. */ - unsigned int offset; - - offset = U_REGS_OFFSET; - - regaddr = register_addr (regno, offset); - for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int)) - { - errno = 0; - *(int *) ®isters[ regno * 4 + i] = ptrace (PTRACE_PEEKUSR, inferior_pid, - (PTRACE_ARG3_TYPE) regaddr, 0); - regaddr += sizeof (int); - if (errno != 0) - { - /* Warning, not error, in case we are attached; sometimes the - kernel doesn't let us at the registers. */ - char *err = strerror (errno); - char *msg = alloca (strlen (err) + 128); - sprintf (msg, "reading register %d: %s", regno, err); - error (msg); - goto error_exit; - } - } - error_exit:; -} - -/* Fetch all registers, or just one, from the child process. */ - -void -fetch_inferior_registers (regno) - int regno; -{ - if (regno == -1 || regno == 0) - for (regno = 0; regno < NUM_REGS-NUM_FREGS; regno++) - fetch_register (regno); - else - fetch_register (regno); -} - -/* 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). */ - -void -store_inferior_registers (regno) - int regno; -{ - register unsigned int regaddr; - register int i; - unsigned int offset = U_REGS_OFFSET; - - if (regno >= 0) - { -#if 0 - if (CANNOT_STORE_REGISTER (regno)) - return; -#endif - regaddr = register_addr (regno, offset); - errno = 0; -#if 0 - if (regno == PCOQ_HEAD_REGNUM || regno == PCOQ_TAIL_REGNUM) - { - scratch = *(int *) ®isters[REGISTER_BYTE (regno)] | 0x3; - ptrace (PT_WUREGS, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, - scratch, 0); - if (errno != 0) - { - /* Error, even if attached. Failing to write these two - registers is pretty serious. */ - sprintf (buf, "writing register number %d", regno); - perror_with_name (buf); - } - } - else -#endif - for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(int)) - { - errno = 0; - ptrace (PTRACE_POKEUSR, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, - *(int *) ®isters[REGISTER_BYTE (regno) + i]); - if (errno != 0) - { - /* Warning, not error, in case we are attached; sometimes the - kernel doesn't let us at the registers. */ - char *err = strerror (errno); - char *msg = alloca (strlen (err) + 128); - sprintf (msg, "writing register %d: %s", - regno, err); - error (msg); - return; - } - regaddr += sizeof(int); - } - } - else - for (regno = 0; regno < NUM_REGS-NUM_FREGS; regno++) - store_inferior_registers (regno); -} - -/* NOTE! I tried using PTRACE_READDATA, etc., to read and write memory - in the NEW_SUN_PTRACE case. - It ought to be straightforward. But it appears that writing did - not write the data that I specified. I cannot understand where - it got the data that it actually did write. */ - -/* Copy LEN bytes from inferior's memory starting at MEMADDR - to debugger memory starting at MYADDR. */ - -void -read_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; -{ - register int i; - /* Round starting address down to longword boundary. */ - register CORE_ADDR addr = memaddr & -sizeof (int); - /* Round ending address up; get number of longwords that makes. */ - register int count - = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int); - /* Allocate buffer of that many longwords. */ - register int *buffer = (int *) alloca (count * sizeof (int)); - - /* Read all the longwords */ - for (i = 0; i < count; i++, addr += sizeof (int)) - { - buffer[i] = ptrace (PTRACE_PEEKTEXT, inferior_pid, addr, 0); - } - - /* Copy appropriate bytes out of the buffer. */ - memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len); -} - -/* Copy LEN bytes of data from debugger memory at MYADDR - to inferior's memory at MEMADDR. - On failure (cannot write the inferior) - returns the value of errno. */ - -int -write_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; -{ - register int i; - /* Round starting address down to longword boundary. */ - register CORE_ADDR addr = memaddr & -sizeof (int); - /* Round ending address up; get number of longwords that makes. */ - register int count - = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int); - /* Allocate buffer of that many longwords. */ - register int *buffer = (int *) alloca (count * sizeof (int)); - extern int errno; - - /* Fill start and end extra bytes of buffer with existing memory data. */ - - buffer[0] = ptrace (PTRACE_PEEKTEXT, inferior_pid, addr, 0); - - if (count > 1) - { - buffer[count - 1] - = ptrace (PTRACE_PEEKTEXT, inferior_pid, - addr + (count - 1) * sizeof (int), 0); - } - - /* Copy data to be written over corresponding part of buffer */ - - memcpy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len); - - /* Write the entire buffer. */ - - for (i = 0; i < count; i++, addr += sizeof (int)) - { - errno = 0; - ptrace (PTRACE_POKETEXT, inferior_pid, addr, buffer[i]); - if (errno) - return errno; - } - - return 0; -} - -void -initialize () -{ - inferior_pid = 0; -} - -int -have_inferior_p () -{ - return inferior_pid != 0; -} diff --git a/gdb/gdbserver/low-lynx.c b/gdb/gdbserver/low-lynx.c deleted file mode 100644 index 3444f7a..0000000 --- a/gdb/gdbserver/low-lynx.c +++ /dev/null @@ -1,746 +0,0 @@ -/* Low level interface to ptrace, for the remote server for GDB. - Copyright (C) 1986, 1987, 1993 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. */ - -#include "server.h" -#include "frame.h" -#include "inferior.h" - -#include <stdio.h> -#include <sys/param.h> -#include <sys/dir.h> -#define LYNXOS -#include <sys/mem.h> -#include <sys/signal.h> -#include <sys/file.h> -#include <sys/kernel.h> -#ifndef __LYNXOS -#define __LYNXOS -#endif -#include <sys/itimer.h> -#include <sys/time.h> -#include <sys/resource.h> -#include <sys/proc.h> -#include <signal.h> -#include <sys/ioctl.h> -#include <sgtty.h> -#include <fcntl.h> -#include <sys/wait.h> -#include <sys/fpp.h> - -char registers[REGISTER_BYTES]; - -#include <sys/ptrace.h> - -/* Start an inferior process and returns its pid. - ALLARGS is a vector of program-name and args. */ - -int -create_inferior (program, allargs) - char *program; - char **allargs; -{ - int pid; - - pid = fork (); - if (pid < 0) - perror_with_name ("fork"); - - if (pid == 0) - { - int pgrp; - - /* Switch child to it's own process group so that signals won't - directly affect gdbserver. */ - - pgrp = getpid(); - setpgrp(0, pgrp); - ioctl (0, TIOCSPGRP, &pgrp); - - ptrace (PTRACE_TRACEME, 0, (PTRACE_ARG3_TYPE)0, 0); - - execv (program, allargs); - - fprintf (stderr, "GDBserver (process %d): Cannot exec %s: %s.\n", - getpid(), program, - errno < sys_nerr ? sys_errlist[errno] : "unknown error"); - fflush (stderr); - _exit (0177); - } - - return pid; -} - -/* Kill the inferior process. Make us have no inferior. */ - -void -kill_inferior () -{ - if (inferior_pid == 0) - return; - ptrace (PTRACE_KILL, inferior_pid, 0, 0); - wait (0); - - inferior_pid = 0; -} - -/* Return nonzero if the given thread is still alive. */ -int -mythread_alive (pid) - int pid; -{ - /* Arggh. Apparently pthread_kill only works for threads within - the process that calls pthread_kill. - - We want to avoid the lynx signal extensions as they simply don't - map well to the generic gdb interface we want to keep. - - All we want to do is determine if a particular thread is alive; - it appears as if we can just make a harmless thread specific - ptrace call to do that. */ - return (ptrace (PTRACE_THREADUSER, - BUILDPID (PIDGET (inferior_pid), pid), 0, 0) != -1); -} - -/* Wait for process, returns status */ - -unsigned char -mywait (status) - char *status; -{ - int pid; - union wait w; - - while (1) - { - enable_async_io(); - - pid = wait (&w); - - disable_async_io(); - - if (pid != PIDGET(inferior_pid)) - perror_with_name ("wait"); - - thread_from_wait = w.w_tid; - inferior_pid = BUILDPID (inferior_pid, w.w_tid); - - if (WIFSTOPPED(w) - && WSTOPSIG(w) == SIGTRAP) - { - int realsig; - - realsig = ptrace (PTRACE_GETTRACESIG, inferior_pid, - (PTRACE_ARG3_TYPE)0, 0); - - if (realsig == SIGNEWTHREAD) - { - /* It's a new thread notification. Nothing to do here since - the machine independent code in wait_for_inferior will - add the thread to the thread list and restart the thread - when pid != inferior_pid and pid is not in the thread list. - We don't even want to muck with realsig -- the code in - wait_for_inferior expects SIGTRAP. */ - ; - } - } - break; - } - - if (WIFEXITED (w)) - { - *status = 'W'; - return ((unsigned char) WEXITSTATUS (w)); - } - else if (!WIFSTOPPED (w)) - { - *status = 'X'; - return ((unsigned char) WTERMSIG (w)); - } - - fetch_inferior_registers (0); - - *status = 'T'; - return ((unsigned char) WSTOPSIG (w)); -} - -/* Resume execution of the inferior process. - If STEP is nonzero, single-step it. - If SIGNAL is nonzero, give it that signal. */ - -void -myresume (step, signal) - int step; - int signal; -{ - errno = 0; - ptrace (step ? PTRACE_SINGLESTEP_ONE : PTRACE_CONT, - BUILDPID (inferior_pid, cont_thread == -1 ? 0 : cont_thread), - 1, signal); - if (errno) - perror_with_name ("ptrace"); -} - -#undef offsetof -#define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER) - -/* Mapping between GDB register #s and offsets into econtext. Must be - consistent with REGISTER_NAMES macro in various tmXXX.h files. */ - -#define X(ENTRY)(offsetof(struct econtext, ENTRY)) - -#ifdef I386 -/* Mappings from tm-i386v.h */ - -static int regmap[] = -{ - X(eax), - X(ecx), - X(edx), - X(ebx), - X(esp), /* sp */ - X(ebp), /* fp */ - X(esi), - X(edi), - X(eip), /* pc */ - X(flags), /* ps */ - X(cs), - X(ss), - X(ds), - X(es), - X(ecode), /* Lynx doesn't give us either fs or gs, so */ - X(fault), /* we just substitute these two in the hopes - that they are useful. */ -}; -#endif - -#ifdef M68K -/* Mappings from tm-m68k.h */ - -static int regmap[] = -{ - X(regs[0]), /* d0 */ - X(regs[1]), /* d1 */ - X(regs[2]), /* d2 */ - X(regs[3]), /* d3 */ - X(regs[4]), /* d4 */ - X(regs[5]), /* d5 */ - X(regs[6]), /* d6 */ - X(regs[7]), /* d7 */ - X(regs[8]), /* a0 */ - X(regs[9]), /* a1 */ - X(regs[10]), /* a2 */ - X(regs[11]), /* a3 */ - X(regs[12]), /* a4 */ - X(regs[13]), /* a5 */ - X(regs[14]), /* fp */ - 0, /* sp */ - X(status), /* ps */ - X(pc), - - X(fregs[0*3]), /* fp0 */ - X(fregs[1*3]), /* fp1 */ - X(fregs[2*3]), /* fp2 */ - X(fregs[3*3]), /* fp3 */ - X(fregs[4*3]), /* fp4 */ - X(fregs[5*3]), /* fp5 */ - X(fregs[6*3]), /* fp6 */ - X(fregs[7*3]), /* fp7 */ - - X(fcregs[0]), /* fpcontrol */ - X(fcregs[1]), /* fpstatus */ - X(fcregs[2]), /* fpiaddr */ - X(ssw), /* fpcode */ - X(fault), /* fpflags */ -}; -#endif - -#ifdef SPARC -/* Mappings from tm-sparc.h */ - -#define FX(ENTRY)(offsetof(struct fcontext, ENTRY)) - -static int regmap[] = -{ - -1, /* g0 */ - X(g1), - X(g2), - X(g3), - X(g4), - -1, /* g5->g7 aren't saved by Lynx */ - -1, - -1, - - X(o[0]), - X(o[1]), - X(o[2]), - X(o[3]), - X(o[4]), - X(o[5]), - X(o[6]), /* sp */ - X(o[7]), /* ra */ - - -1,-1,-1,-1,-1,-1,-1,-1, /* l0 -> l7 */ - - -1,-1,-1,-1,-1,-1,-1,-1, /* i0 -> i7 */ - - FX(f.fregs[0]), /* f0 */ - FX(f.fregs[1]), - FX(f.fregs[2]), - FX(f.fregs[3]), - FX(f.fregs[4]), - FX(f.fregs[5]), - FX(f.fregs[6]), - FX(f.fregs[7]), - FX(f.fregs[8]), - FX(f.fregs[9]), - FX(f.fregs[10]), - FX(f.fregs[11]), - FX(f.fregs[12]), - FX(f.fregs[13]), - FX(f.fregs[14]), - FX(f.fregs[15]), - FX(f.fregs[16]), - FX(f.fregs[17]), - FX(f.fregs[18]), - FX(f.fregs[19]), - FX(f.fregs[20]), - FX(f.fregs[21]), - FX(f.fregs[22]), - FX(f.fregs[23]), - FX(f.fregs[24]), - FX(f.fregs[25]), - FX(f.fregs[26]), - FX(f.fregs[27]), - FX(f.fregs[28]), - FX(f.fregs[29]), - FX(f.fregs[30]), - FX(f.fregs[31]), - - X(y), - X(psr), - X(wim), - X(tbr), - X(pc), - X(npc), - FX(fsr), /* fpsr */ - -1, /* cpsr */ -}; -#endif - -#ifdef SPARC - -/* This routine handles some oddball cases for Sparc registers and LynxOS. - In partucular, it causes refs to G0, g5->7, and all fp regs to return zero. - It also handles knows where to find the I & L regs on the stack. */ - -void -fetch_inferior_registers (regno) - int regno; -{ -#if 0 - int whatregs = 0; - -#define WHATREGS_FLOAT 1 -#define WHATREGS_GEN 2 -#define WHATREGS_STACK 4 - - if (regno == -1) - whatregs = WHATREGS_FLOAT | WHATREGS_GEN | WHATREGS_STACK; - else if (regno >= L0_REGNUM && regno <= I7_REGNUM) - whatregs = WHATREGS_STACK; - else if (regno >= FP0_REGNUM && regno < FP0_REGNUM + 32) - whatregs = WHATREGS_FLOAT; - else - whatregs = WHATREGS_GEN; - - if (whatregs & WHATREGS_GEN) - { - struct econtext ec; /* general regs */ - char buf[MAX_REGISTER_RAW_SIZE]; - int retval; - int i; - - errno = 0; - retval = ptrace (PTRACE_GETREGS, - BUILDPID (inferior_pid, general_thread), - (PTRACE_ARG3_TYPE) &ec, - 0); - if (errno) - perror_with_name ("Sparc fetch_inferior_registers(ptrace)"); - - memset (buf, 0, REGISTER_RAW_SIZE (G0_REGNUM)); - supply_register (G0_REGNUM, buf); - supply_register (TBR_REGNUM, (char *)&ec.tbr); - - memcpy (®isters[REGISTER_BYTE (G1_REGNUM)], &ec.g1, - 4 * REGISTER_RAW_SIZE (G1_REGNUM)); - for (i = G1_REGNUM; i <= G1_REGNUM + 3; i++) - register_valid[i] = 1; - - supply_register (PS_REGNUM, (char *)&ec.psr); - supply_register (Y_REGNUM, (char *)&ec.y); - supply_register (PC_REGNUM, (char *)&ec.pc); - supply_register (NPC_REGNUM, (char *)&ec.npc); - supply_register (WIM_REGNUM, (char *)&ec.wim); - - memcpy (®isters[REGISTER_BYTE (O0_REGNUM)], ec.o, - 8 * REGISTER_RAW_SIZE (O0_REGNUM)); - for (i = O0_REGNUM; i <= O0_REGNUM + 7; i++) - register_valid[i] = 1; - } - - if (whatregs & WHATREGS_STACK) - { - CORE_ADDR sp; - int i; - - sp = read_register (SP_REGNUM); - - target_xfer_memory (sp + FRAME_SAVED_I0, - ®isters[REGISTER_BYTE(I0_REGNUM)], - 8 * REGISTER_RAW_SIZE (I0_REGNUM), 0); - for (i = I0_REGNUM; i <= I7_REGNUM; i++) - register_valid[i] = 1; - - target_xfer_memory (sp + FRAME_SAVED_L0, - ®isters[REGISTER_BYTE(L0_REGNUM)], - 8 * REGISTER_RAW_SIZE (L0_REGNUM), 0); - for (i = L0_REGNUM; i <= L0_REGNUM + 7; i++) - register_valid[i] = 1; - } - - if (whatregs & WHATREGS_FLOAT) - { - struct fcontext fc; /* fp regs */ - int retval; - int i; - - errno = 0; - retval = ptrace (PTRACE_GETFPREGS, BUILDPID (inferior_pid, general_thread), (PTRACE_ARG3_TYPE) &fc, - 0); - if (errno) - perror_with_name ("Sparc fetch_inferior_registers(ptrace)"); - - memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], fc.f.fregs, - 32 * REGISTER_RAW_SIZE (FP0_REGNUM)); - for (i = FP0_REGNUM; i <= FP0_REGNUM + 31; i++) - register_valid[i] = 1; - - supply_register (FPS_REGNUM, (char *)&fc.fsr); - } -#endif -} - -/* This routine handles storing of the I & L regs for the Sparc. The trick - here is that they actually live on the stack. The really tricky part is - that when changing the stack pointer, the I & L regs must be written to - where the new SP points, otherwise the regs will be incorrect when the - process is started up again. We assume that the I & L regs are valid at - this point. */ - -void -store_inferior_registers (regno) - int regno; -{ -#if 0 - int whatregs = 0; - - if (regno == -1) - whatregs = WHATREGS_FLOAT | WHATREGS_GEN | WHATREGS_STACK; - else if (regno >= L0_REGNUM && regno <= I7_REGNUM) - whatregs = WHATREGS_STACK; - else if (regno >= FP0_REGNUM && regno < FP0_REGNUM + 32) - whatregs = WHATREGS_FLOAT; - else if (regno == SP_REGNUM) - whatregs = WHATREGS_STACK | WHATREGS_GEN; - else - whatregs = WHATREGS_GEN; - - if (whatregs & WHATREGS_GEN) - { - struct econtext ec; /* general regs */ - int retval; - - ec.tbr = read_register (TBR_REGNUM); - memcpy (&ec.g1, ®isters[REGISTER_BYTE (G1_REGNUM)], - 4 * REGISTER_RAW_SIZE (G1_REGNUM)); - - ec.psr = read_register (PS_REGNUM); - ec.y = read_register (Y_REGNUM); - ec.pc = read_register (PC_REGNUM); - ec.npc = read_register (NPC_REGNUM); - ec.wim = read_register (WIM_REGNUM); - - memcpy (ec.o, ®isters[REGISTER_BYTE (O0_REGNUM)], - 8 * REGISTER_RAW_SIZE (O0_REGNUM)); - - errno = 0; - retval = ptrace (PTRACE_SETREGS, BUILDPID (inferior_pid, general_thread), (PTRACE_ARG3_TYPE) &ec, - 0); - if (errno) - perror_with_name ("Sparc fetch_inferior_registers(ptrace)"); - } - - if (whatregs & WHATREGS_STACK) - { - int regoffset; - CORE_ADDR sp; - - sp = read_register (SP_REGNUM); - - if (regno == -1 || regno == SP_REGNUM) - { - if (!register_valid[L0_REGNUM+5]) - abort(); - target_xfer_memory (sp + FRAME_SAVED_I0, - ®isters[REGISTER_BYTE (I0_REGNUM)], - 8 * REGISTER_RAW_SIZE (I0_REGNUM), 1); - - target_xfer_memory (sp + FRAME_SAVED_L0, - ®isters[REGISTER_BYTE (L0_REGNUM)], - 8 * REGISTER_RAW_SIZE (L0_REGNUM), 1); - } - else if (regno >= L0_REGNUM && regno <= I7_REGNUM) - { - if (!register_valid[regno]) - abort(); - if (regno >= L0_REGNUM && regno <= L0_REGNUM + 7) - regoffset = REGISTER_BYTE (regno) - REGISTER_BYTE (L0_REGNUM) - + FRAME_SAVED_L0; - else - regoffset = REGISTER_BYTE (regno) - REGISTER_BYTE (I0_REGNUM) - + FRAME_SAVED_I0; - target_xfer_memory (sp + regoffset, ®isters[REGISTER_BYTE (regno)], - REGISTER_RAW_SIZE (regno), 1); - } - } - - if (whatregs & WHATREGS_FLOAT) - { - struct fcontext fc; /* fp regs */ - int retval; - -/* We read fcontext first so that we can get good values for fq_t... */ - errno = 0; - retval = ptrace (PTRACE_GETFPREGS, BUILDPID (inferior_pid, general_thread), (PTRACE_ARG3_TYPE) &fc, - 0); - if (errno) - perror_with_name ("Sparc fetch_inferior_registers(ptrace)"); - - memcpy (fc.f.fregs, ®isters[REGISTER_BYTE (FP0_REGNUM)], - 32 * REGISTER_RAW_SIZE (FP0_REGNUM)); - - fc.fsr = read_register (FPS_REGNUM); - - errno = 0; - retval = ptrace (PTRACE_SETFPREGS, BUILDPID (inferior_pid, general_thread), (PTRACE_ARG3_TYPE) &fc, - 0); - if (errno) - perror_with_name ("Sparc fetch_inferior_registers(ptrace)"); - } -#endif -} -#endif /* SPARC */ - -#ifndef SPARC - -/* Return the offset relative to the start of the per-thread data to the - saved context block. */ - -static unsigned long -lynx_registers_addr() -{ - CORE_ADDR stblock; - int ecpoff = offsetof(st_t, ecp); - CORE_ADDR ecp; - - errno = 0; - stblock = (CORE_ADDR) ptrace (PTRACE_THREADUSER, BUILDPID (inferior_pid, general_thread), - (PTRACE_ARG3_TYPE)0, 0); - if (errno) - perror_with_name ("PTRACE_THREADUSER"); - - ecp = (CORE_ADDR) ptrace (PTRACE_PEEKTHREAD, BUILDPID (inferior_pid, general_thread), - (PTRACE_ARG3_TYPE)ecpoff, 0); - if (errno) - perror_with_name ("lynx_registers_addr(PTRACE_PEEKTHREAD)"); - - return ecp - stblock; -} - -/* Fetch one or more registers from the inferior. REGNO == -1 to get - them all. We actually fetch more than requested, when convenient, - marking them as valid so we won't fetch them again. */ - -void -fetch_inferior_registers (ignored) - int ignored; -{ - int regno; - unsigned long reg; - unsigned long ecp; - - ecp = lynx_registers_addr(); - - for (regno = 0; regno < NUM_REGS; regno++) - { - int ptrace_fun = PTRACE_PEEKTHREAD; - -#ifdef PTRACE_PEEKUSP - ptrace_fun = regno == SP_REGNUM ? PTRACE_PEEKUSP : PTRACE_PEEKTHREAD; -#endif - - errno = 0; - reg = ptrace (ptrace_fun, BUILDPID (inferior_pid, general_thread), - (PTRACE_ARG3_TYPE) (ecp + regmap[regno]), 0); - if (errno) - perror_with_name ("fetch_inferior_registers(PTRACE_PEEKTHREAD)"); - - *(unsigned long *)®isters[REGISTER_BYTE (regno)] = reg; - } -} - -/* 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). */ - -void -store_inferior_registers (ignored) - int ignored; -{ - int regno; - unsigned long reg; - unsigned long ecp; - - ecp = lynx_registers_addr(); - - for (regno = 0; regno < NUM_REGS; regno++) - { - int ptrace_fun = PTRACE_POKEUSER; - -#ifdef PTRACE_POKEUSP - ptrace_fun = regno == SP_REGNUM ? PTRACE_POKEUSP : PTRACE_POKEUSER; -#endif - - reg = *(unsigned long *)®isters[REGISTER_BYTE (regno)]; - - errno = 0; - ptrace (ptrace_fun, BUILDPID (inferior_pid, general_thread), - (PTRACE_ARG3_TYPE) (ecp + regmap[regno]), reg); - if (errno) - perror_with_name ("PTRACE_POKEUSER"); - } -} - -#endif /* ! SPARC */ - -/* NOTE! I tried using PTRACE_READDATA, etc., to read and write memory - in the NEW_SUN_PTRACE case. - It ought to be straightforward. But it appears that writing did - not write the data that I specified. I cannot understand where - it got the data that it actually did write. */ - -/* Copy LEN bytes from inferior's memory starting at MEMADDR - to debugger memory starting at MYADDR. */ - -void -read_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; -{ - register int i; - /* Round starting address down to longword boundary. */ - register CORE_ADDR addr = memaddr & -sizeof (int); - /* Round ending address up; get number of longwords that makes. */ - register int count - = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int); - /* Allocate buffer of that many longwords. */ - register int *buffer = (int *) alloca (count * sizeof (int)); - - /* Read all the longwords */ - for (i = 0; i < count; i++, addr += sizeof (int)) - { - buffer[i] = ptrace (PTRACE_PEEKTEXT, BUILDPID (inferior_pid, general_thread), addr, 0); - } - - /* Copy appropriate bytes out of the buffer. */ - memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len); -} - -/* Copy LEN bytes of data from debugger memory at MYADDR - to inferior's memory at MEMADDR. - On failure (cannot write the inferior) - returns the value of errno. */ - -int -write_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; -{ - register int i; - /* Round starting address down to longword boundary. */ - register CORE_ADDR addr = memaddr & -sizeof (int); - /* Round ending address up; get number of longwords that makes. */ - register int count - = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int); - /* Allocate buffer of that many longwords. */ - register int *buffer = (int *) alloca (count * sizeof (int)); - extern int errno; - - /* Fill start and end extra bytes of buffer with existing memory data. */ - - buffer[0] = ptrace (PTRACE_PEEKTEXT, BUILDPID (inferior_pid, general_thread), addr, 0); - - if (count > 1) - { - buffer[count - 1] - = ptrace (PTRACE_PEEKTEXT, BUILDPID (inferior_pid, general_thread), - addr + (count - 1) * sizeof (int), 0); - } - - /* Copy data to be written over corresponding part of buffer */ - - memcpy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len); - - /* Write the entire buffer. */ - - for (i = 0; i < count; i++, addr += sizeof (int)) - { - while (1) - { - errno = 0; - ptrace (PTRACE_POKETEXT, BUILDPID (inferior_pid, general_thread), addr, buffer[i]); - if (errno) - { - fprintf(stderr, "\ -ptrace (PTRACE_POKETEXT): errno=%d, pid=0x%x, addr=0x%x, buffer[i] = 0x%x\n", - errno, BUILDPID (inferior_pid, general_thread), - addr, buffer[i]); - fprintf(stderr, "Sleeping for 1 second\n"); - sleep(1); - } - else - break; - } - } - - return 0; -} diff --git a/gdb/gdbserver/low-sim.c b/gdb/gdbserver/low-sim.c deleted file mode 100644 index 8ad6e91..0000000 --- a/gdb/gdbserver/low-sim.c +++ /dev/null @@ -1,289 +0,0 @@ -/* Low level interface to simulators, for the remote server for GDB. - Copyright (C) 1995, 1996 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. */ - -#include "defs.h" -#include "bfd.h" -#include "server.h" -#include "callback.h" /* GDB simulator callback interface */ -#include "remote-sim.h" /* GDB simulator interface */ - -extern int remote_debug; - -extern host_callback default_callback; /* in sim/common/callback.c */ - -char registers[REGISTER_BYTES] __attribute__ ((aligned)); - -int target_byte_order; /* used by simulator */ - -/* We record the result of sim_open so we can pass it - back to the other sim_foo routines. */ -static SIM_DESC gdbsim_desc = 0; - -/* This version of "load" should be usable for any simulator that - does not support loading itself. */ - -static void -generic_load (loadfile_bfd) - bfd *loadfile_bfd; -{ - asection *s; - - for (s = loadfile_bfd->sections; s; s = s->next) - { - if (s->flags & SEC_LOAD) - { - bfd_size_type size; - - size = bfd_get_section_size_before_reloc (s); - if (size > 0) - { - char *buffer; - bfd_vma lma; /* use load address, not virtual address */ - - buffer = xmalloc (size); - lma = s->lma; - - /* Is this really necessary? I guess it gives the user something - to look at during a long download. */ - printf ("Loading section %s, size 0x%lx lma 0x%lx\n", - bfd_get_section_name (loadfile_bfd, s), - (unsigned long) size, - (unsigned long) lma); /* chops high 32 bits. FIXME!! */ - - bfd_get_section_contents (loadfile_bfd, s, buffer, 0, size); - - write_inferior_memory (lma, buffer, size); - free (buffer); - } - } - } - - printf ("Start address 0x%lx\n", - (unsigned long)loadfile_bfd->start_address); - - /* We were doing this in remote-mips.c, I suspect it is right - for other targets too. */ - /* write_pc (loadfile_bfd->start_address); */ /* FIXME!! */ -} - -int -create_inferior (program, argv) - char *program; - char **argv; -{ - bfd *abfd; - int pid = 0; -#ifdef TARGET_BYTE_ORDER_SELECTABLE - char **new_argv; - int nargs; -#endif - - abfd = bfd_openr (program, 0); - if (!abfd) - { - fprintf (stderr, "gdbserver: can't open %s: %s\n", - program, bfd_errmsg (bfd_get_error ())); - exit (1); - } - - if (!bfd_check_format (abfd, bfd_object)) - { - fprintf (stderr, "gdbserver: unknown load format for %s: %s\n", - program, bfd_errmsg (bfd_get_error ())); - exit (1); - } - -#ifdef TARGET_BYTE_ORDER_SELECTABLE - /* Add "-E big" or "-E little" to the argument list depending on the - endianness of the program to be loaded. */ - for (nargs = 0; argv[nargs] != NULL; nargs++) /* count the args */ - ; - new_argv = alloca (sizeof (char *) * (nargs + 3)); /* allocate new args */ - for (nargs = 0; argv[nargs] != NULL; nargs++) /* copy old to new */ - new_argv[nargs] = argv[nargs]; - new_argv[nargs] = "-E"; - new_argv[nargs + 1] = bfd_big_endian (abfd) ? "big" : "little"; - new_argv[nargs + 2] = NULL; - argv = new_argv; -#endif - - /* Create an instance of the simulator. */ - default_callback.init (&default_callback); - gdbsim_desc = sim_open (SIM_OPEN_STANDALONE, &default_callback, abfd, argv); - if (gdbsim_desc == 0) - exit (1); - - /* Load the program into the simulator. */ - if (abfd) - if (sim_load (gdbsim_desc, program, NULL, 0) == SIM_RC_FAIL) - generic_load (abfd); - - /* Create an inferior process in the simulator. This initializes SP. */ - sim_create_inferior (gdbsim_desc, abfd, argv, /* env */ NULL); - sim_resume (gdbsim_desc, 1, 0); /* execute one instr */ - return pid; -} - -/* Kill the inferior process. Make us have no inferior. */ - -void -kill_inferior () -{ - sim_close (gdbsim_desc, 0); - default_callback.shutdown (&default_callback); -} - -/* Fetch one register. */ - -static void -fetch_register (regno) - int regno; -{ - sim_fetch_register (gdbsim_desc, regno, ®isters[REGISTER_BYTE (regno)], - REGISTER_RAW_SIZE (regno)); -} - -/* Fetch all registers, or just one, from the child process. */ - -void -fetch_inferior_registers (regno) - int regno; -{ - if (regno == -1 || regno == 0) - for (regno = 0; regno < NUM_REGS/*-NUM_FREGS*/; regno++) - fetch_register (regno); - else - fetch_register (regno); -} - -/* 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). */ - -void -store_inferior_registers (regno) - int regno; -{ - if (regno == -1) - { - for (regno = 0; regno < NUM_REGS; regno++) - store_inferior_registers (regno); - } - else - sim_store_register (gdbsim_desc, regno, ®isters[REGISTER_BYTE (regno)], - REGISTER_RAW_SIZE (regno)); -} - -/* Return nonzero if the given thread is still alive. */ -int -mythread_alive (pid) - int pid; -{ - return 1; -} - -/* Wait for process, returns status */ - -unsigned char -mywait (status) - char *status; -{ - int sigrc; - enum sim_stop reason; - - sim_stop_reason (gdbsim_desc, &reason, &sigrc); - switch (reason) - { - case sim_exited: - if (remote_debug) - printf ("\nChild exited with retcode = %x \n", sigrc); - *status = 'W'; - return sigrc; - -#if 0 - case sim_stopped: - if (remote_debug) - printf ("\nChild terminated with signal = %x \n", sigrc); - *status = 'X'; - return sigrc; -#endif - - default: /* should this be sim_signalled or sim_stopped? FIXME!! */ - if (remote_debug) - printf ("\nChild received signal = %x \n", sigrc); - fetch_inferior_registers (0); - *status = 'T'; - return (unsigned char) sigrc; - } -} - -/* Resume execution of the inferior process. - If STEP is nonzero, single-step it. - If SIGNAL is nonzero, give it that signal. */ - -void -myresume (step, signo) - int step; - int signo; -{ - /* Should be using target_signal_to_host() or signal numbers in target.h - to convert GDB signal number to target signal number. */ - sim_resume (gdbsim_desc, step, signo); -} - -/* Copy LEN bytes from inferior's memory starting at MEMADDR - to debugger memory starting at MYADDR. */ - -void -read_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; -{ - sim_read (gdbsim_desc, memaddr, myaddr, len); -} - -/* Copy LEN bytes of data from debugger memory at MYADDR - to inferior's memory at MEMADDR. - On failure (cannot write the inferior) - returns the value of errno. */ - -int -write_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; -{ - sim_write (gdbsim_desc, memaddr, myaddr, len); /* should check for error. FIXME!! */ - return 0; -} - -#if 0 -void -initialize () -{ - inferior_pid = 0; -} - -int -have_inferior_p () -{ - return inferior_pid != 0; -} -#endif diff --git a/gdb/gdbserver/low-sparc.c b/gdb/gdbserver/low-sparc.c deleted file mode 100644 index ddffaec..0000000 --- a/gdb/gdbserver/low-sparc.c +++ /dev/null @@ -1,334 +0,0 @@ -/* Low level interface to ptrace, for the remote server for GDB. - Copyright (C) 1986, 1987, 1993 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. */ - -#include "defs.h" -#include <sys/wait.h> -#include "frame.h" -#include "inferior.h" -/*************************** -#include "initialize.h" -****************************/ - -#include <stdio.h> -#include <sys/param.h> -#include <sys/dir.h> -#include <sys/user.h> -#include <signal.h> -#include <sys/ioctl.h> -#include <sgtty.h> -#include <fcntl.h> - -/***************Begin MY defs*********************/ -int quit_flag = 0; -char registers[REGISTER_BYTES]; - -/* Index within `registers' of the first byte of the space for - register N. */ - - -char buf2[MAX_REGISTER_RAW_SIZE]; -/***************End MY defs*********************/ - -#include <sys/ptrace.h> -#include <sys/reg.h> - -extern int sys_nerr; -extern char **sys_errlist; -extern char **environ; -extern int errno; -extern int inferior_pid; -void quit (), perror_with_name (); -int query (); - -/* Start an inferior process and returns its pid. - ALLARGS is a vector of program-name and args. - ENV is the environment vector to pass. */ - -int -create_inferior (program, allargs) - char *program; - char **allargs; -{ - int pid; - - pid = fork (); - if (pid < 0) - perror_with_name ("fork"); - - if (pid == 0) - { - ptrace (PTRACE_TRACEME); - - execv (program, allargs); - - fprintf (stderr, "Cannot exec %s: %s.\n", program, - errno < sys_nerr ? sys_errlist[errno] : "unknown error"); - fflush (stderr); - _exit (0177); - } - - return pid; -} - -/* Kill the inferior process. Make us have no inferior. */ - -void -kill_inferior () -{ - if (inferior_pid == 0) - return; - ptrace (8, inferior_pid, 0, 0); - wait (0); - /*************inferior_died ();****VK**************/ -} - -/* Return nonzero if the given thread is still alive. */ -int -mythread_alive (pid) - int pid; -{ - return 1; -} - -/* Wait for process, returns status */ - -unsigned char -mywait (status) - char *status; -{ - int pid; - union wait w; - - pid = wait (&w); - if (pid != inferior_pid) - perror_with_name ("wait"); - - if (WIFEXITED (w)) - { - fprintf (stderr, "\nChild exited with retcode = %x \n", WEXITSTATUS (w)); - *status = 'W'; - return ((unsigned char) WEXITSTATUS (w)); - } - else if (!WIFSTOPPED (w)) - { - fprintf (stderr, "\nChild terminated with signal = %x \n", WTERMSIG (w)); - *status = 'X'; - return ((unsigned char) WTERMSIG (w)); - } - - fetch_inferior_registers (0); - - *status = 'T'; - return ((unsigned char) WSTOPSIG (w)); -} - -/* Resume execution of the inferior process. - If STEP is nonzero, single-step it. - If SIGNAL is nonzero, give it that signal. */ - -void -myresume (step, signal) - int step; - int signal; -{ - errno = 0; - ptrace (step ? PTRACE_SINGLESTEP : PTRACE_CONT, inferior_pid, 1, signal); - if (errno) - perror_with_name ("ptrace"); -} - -/* Fetch one or more registers from the inferior. REGNO == -1 to get - them all. We actually fetch more than requested, when convenient, - marking them as valid so we won't fetch them again. */ - -void -fetch_inferior_registers (ignored) - int ignored; -{ - struct regs inferior_registers; - struct fp_status inferior_fp_registers; - int i; - - /* Global and Out regs are fetched directly, as well as the control - registers. If we're getting one of the in or local regs, - and the stack pointer has not yet been fetched, - we have to do that first, since they're found in memory relative - to the stack pointer. */ - - if (ptrace (PTRACE_GETREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_registers, 0)) - perror("ptrace_getregs"); - - registers[REGISTER_BYTE (0)] = 0; - memcpy (®isters[REGISTER_BYTE (1)], &inferior_registers.r_g1, - 15 * REGISTER_RAW_SIZE (G0_REGNUM)); - *(int *)®isters[REGISTER_BYTE (PS_REGNUM)] = inferior_registers.r_ps; - *(int *)®isters[REGISTER_BYTE (PC_REGNUM)] = inferior_registers.r_pc; - *(int *)®isters[REGISTER_BYTE (NPC_REGNUM)] = inferior_registers.r_npc; - *(int *)®isters[REGISTER_BYTE (Y_REGNUM)] = inferior_registers.r_y; - - /* Floating point registers */ - - if (ptrace (PTRACE_GETFPREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_fp_registers, - 0)) - perror("ptrace_getfpregs"); - memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers, - sizeof inferior_fp_registers.fpu_fr); - - /* These regs are saved on the stack by the kernel. Only read them - all (16 ptrace calls!) if we really need them. */ - - read_inferior_memory (*(CORE_ADDR*)®isters[REGISTER_BYTE (SP_REGNUM)], - ®isters[REGISTER_BYTE (L0_REGNUM)], - 16*REGISTER_RAW_SIZE (L0_REGNUM)); -} - -/* 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). */ - -void -store_inferior_registers (ignored) - int ignored; -{ - struct regs inferior_registers; - struct fp_status inferior_fp_registers; - CORE_ADDR sp = *(CORE_ADDR *)®isters[REGISTER_BYTE (SP_REGNUM)]; - - write_inferior_memory (sp, ®isters[REGISTER_BYTE (L0_REGNUM)], - 16*REGISTER_RAW_SIZE (L0_REGNUM)); - - memcpy (&inferior_registers.r_g1, ®isters[REGISTER_BYTE (G1_REGNUM)], - 15 * REGISTER_RAW_SIZE (G1_REGNUM)); - - inferior_registers.r_ps = - *(int *)®isters[REGISTER_BYTE (PS_REGNUM)]; - inferior_registers.r_pc = - *(int *)®isters[REGISTER_BYTE (PC_REGNUM)]; - inferior_registers.r_npc = - *(int *)®isters[REGISTER_BYTE (NPC_REGNUM)]; - inferior_registers.r_y = - *(int *)®isters[REGISTER_BYTE (Y_REGNUM)]; - - if (ptrace (PTRACE_SETREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_registers, 0)) - perror("ptrace_setregs"); - - memcpy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)], - sizeof inferior_fp_registers.fpu_fr); - - if (ptrace (PTRACE_SETFPREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_fp_registers, 0)) - perror("ptrace_setfpregs"); -} - -/* NOTE! I tried using PTRACE_READDATA, etc., to read and write memory - in the NEW_SUN_PTRACE case. - It ought to be straightforward. But it appears that writing did - not write the data that I specified. I cannot understand where - it got the data that it actually did write. */ - -/* Copy LEN bytes from inferior's memory starting at MEMADDR - to debugger memory starting at MYADDR. */ - -read_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; -{ - register int i; - /* Round starting address down to longword boundary. */ - register CORE_ADDR addr = memaddr & -sizeof (int); - /* Round ending address up; get number of longwords that makes. */ - register int count - = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int); - /* Allocate buffer of that many longwords. */ - register int *buffer = (int *) alloca (count * sizeof (int)); - - /* Read all the longwords */ - for (i = 0; i < count; i++, addr += sizeof (int)) - { - buffer[i] = ptrace (1, inferior_pid, addr, 0); - } - - /* Copy appropriate bytes out of the buffer. */ - memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len); -} - -/* Copy LEN bytes of data from debugger memory at MYADDR - to inferior's memory at MEMADDR. - On failure (cannot write the inferior) - returns the value of errno. */ - -int -write_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; -{ - register int i; - /* Round starting address down to longword boundary. */ - register CORE_ADDR addr = memaddr & -sizeof (int); - /* Round ending address up; get number of longwords that makes. */ - register int count - = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int); - /* Allocate buffer of that many longwords. */ - register int *buffer = (int *) alloca (count * sizeof (int)); - extern int errno; - - /* Fill start and end extra bytes of buffer with existing memory data. */ - - buffer[0] = ptrace (1, inferior_pid, addr, 0); - - if (count > 1) - { - buffer[count - 1] - = ptrace (1, inferior_pid, - addr + (count - 1) * sizeof (int), 0); - } - - /* Copy data to be written over corresponding part of buffer */ - - bcopy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len); - - /* Write the entire buffer. */ - - for (i = 0; i < count; i++, addr += sizeof (int)) - { - errno = 0; - ptrace (4, inferior_pid, addr, buffer[i]); - if (errno) - return errno; - } - - return 0; -} - -void -initialize () -{ - inferior_pid = 0; -} - -int -have_inferior_p () -{ - return inferior_pid != 0; -} diff --git a/gdb/gdbserver/low-sun3.c b/gdb/gdbserver/low-sun3.c deleted file mode 100644 index c84b79f..0000000 --- a/gdb/gdbserver/low-sun3.c +++ /dev/null @@ -1,313 +0,0 @@ -/* Low level interface to ptrace, for the remote server for GDB. - Copyright (C) 1986, 1987, 1993 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. */ - -#include "defs.h" -#include "<sys/wait.h>" -#include "frame.h" -#include "inferior.h" - -#include <stdio.h> -#include <sys/param.h> -#include <sys/dir.h> -#include <sys/user.h> -#include <signal.h> -#include <sys/ioctl.h> -#include <sgtty.h> -#include <fcntl.h> - -/***************Begin MY defs*********************/ -int quit_flag = 0; -char registers[REGISTER_BYTES]; - -/* Index within `registers' of the first byte of the space for - register N. */ - - -char buf2[MAX_REGISTER_RAW_SIZE]; -/***************End MY defs*********************/ - -#include <sys/ptrace.h> -#include <machine/reg.h> - -extern int sys_nerr; -extern char **sys_errlist; -extern char **environ; -extern int errno; -extern int inferior_pid; -void quit (), perror_with_name (); -int query (); - -/* Start an inferior process and returns its pid. - ALLARGS is a vector of program-name and args. - ENV is the environment vector to pass. */ - -int -create_inferior (program, allargs) - char *program; - char **allargs; -{ - int pid; - - pid = fork (); - if (pid < 0) - perror_with_name ("fork"); - - if (pid == 0) - { - ptrace (PTRACE_TRACEME); - - execv (program, allargs); - - fprintf (stderr, "Cannot exec %s: %s.\n", program, - errno < sys_nerr ? sys_errlist[errno] : "unknown error"); - fflush (stderr); - _exit (0177); - } - - return pid; -} - -/* Kill the inferior process. Make us have no inferior. */ - -void -kill_inferior () -{ - if (inferior_pid == 0) - return; - ptrace (8, inferior_pid, 0, 0); - wait (0); - /*************inferior_died ();****VK**************/ -} - -/* Return nonzero if the given thread is still alive. */ -int -mythread_alive (pid) - int pid; -{ - return 1; -} - -/* Wait for process, returns status */ - -unsigned char -mywait (status) - char *status; -{ - int pid; - union wait w; - - pid = wait (&w); - if (pid != inferior_pid) - perror_with_name ("wait"); - - if (WIFEXITED (w)) - { - fprintf (stderr, "\nChild exited with retcode = %x \n", WEXITSTATUS (w)); - *status = 'W'; - return ((unsigned char) WEXITSTATUS (w)); - } - else if (!WIFSTOPPED (w)) - { - fprintf (stderr, "\nChild terminated with signal = %x \n", WTERMSIG (w)); - *status = 'X'; - return ((unsigned char) WTERMSIG (w)); - } - - fetch_inferior_registers (0); - - *status = 'T'; - return ((unsigned char) WSTOPSIG (w)); -} - -/* Resume execution of the inferior process. - If STEP is nonzero, single-step it. - If SIGNAL is nonzero, give it that signal. */ - -void -myresume (step, signal) - int step; - int signal; -{ - errno = 0; - ptrace (step ? PTRACE_SINGLESTEP : PTRACE_CONT, inferior_pid, 1, signal); - if (errno) - perror_with_name ("ptrace"); -} - -/* Fetch one or more registers from the inferior. REGNO == -1 to get - them all. We actually fetch more than requested, when convenient, - marking them as valid so we won't fetch them again. */ - -void -fetch_inferior_registers (ignored) - int ignored; -{ - struct regs inferior_registers; - struct fp_status inferior_fp_registers; - - ptrace (PTRACE_GETREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_registers); -#ifdef FP0_REGNUM - ptrace (PTRACE_GETFPREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_fp_registers); -#endif - - memcpy (registers, &inferior_registers, 16 * 4); -#ifdef FP0_REGNUM - memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers, - sizeof inferior_fp_registers.fps_regs); -#endif - *(int *)®isters[REGISTER_BYTE (PS_REGNUM)] = inferior_registers.r_ps; - *(int *)®isters[REGISTER_BYTE (PC_REGNUM)] = inferior_registers.r_pc; -#ifdef FP0_REGNUM - memcpy - (®isters[REGISTER_BYTE (FPC_REGNUM)], - &inferior_fp_registers.fps_control, - sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs); -#endif -} - -/* 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). */ - -void -store_inferior_registers (ignored) - int ignored; -{ - struct regs inferior_registers; - struct fp_status inferior_fp_registers; - - memcpy (&inferior_registers, registers, 16 * 4); -#ifdef FP0_REGNUM - memcpy (&inferior_fp_registers, - ®isters[REGISTER_BYTE (FP0_REGNUM)], - sizeof inferior_fp_registers.fps_regs); -#endif - inferior_registers.r_ps = *(int *)®isters[REGISTER_BYTE (PS_REGNUM)]; - inferior_registers.r_pc = *(int *)®isters[REGISTER_BYTE (PC_REGNUM)]; - -#ifdef FP0_REGNUM - memcpy (&inferior_fp_registers.fps_control, - ®isters[REGISTER_BYTE (FPC_REGNUM)], - (sizeof inferior_fp_registers - - sizeof inferior_fp_registers.fps_regs)); -#endif - - ptrace (PTRACE_SETREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_registers); -#if FP0_REGNUM - ptrace (PTRACE_SETFPREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_fp_registers); -#endif -} - -/* NOTE! I tried using PTRACE_READDATA, etc., to read and write memory - in the NEW_SUN_PTRACE case. - It ought to be straightforward. But it appears that writing did - not write the data that I specified. I cannot understand where - it got the data that it actually did write. */ - -/* Copy LEN bytes from inferior's memory starting at MEMADDR - to debugger memory starting at MYADDR. */ - -read_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; -{ - register int i; - /* Round starting address down to longword boundary. */ - register CORE_ADDR addr = memaddr & -sizeof (int); - /* Round ending address up; get number of longwords that makes. */ - register int count - = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int); - /* Allocate buffer of that many longwords. */ - register int *buffer = (int *) alloca (count * sizeof (int)); - - /* Read all the longwords */ - for (i = 0; i < count; i++, addr += sizeof (int)) - { - buffer[i] = ptrace (1, inferior_pid, addr, 0); - } - - /* Copy appropriate bytes out of the buffer. */ - memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len); -} - -/* Copy LEN bytes of data from debugger memory at MYADDR - to inferior's memory at MEMADDR. - On failure (cannot write the inferior) - returns the value of errno. */ - -int -write_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; -{ - register int i; - /* Round starting address down to longword boundary. */ - register CORE_ADDR addr = memaddr & -sizeof (int); - /* Round ending address up; get number of longwords that makes. */ - register int count - = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int); - /* Allocate buffer of that many longwords. */ - register int *buffer = (int *) alloca (count * sizeof (int)); - extern int errno; - - /* Fill start and end extra bytes of buffer with existing memory data. */ - - buffer[0] = ptrace (1, inferior_pid, addr, 0); - - if (count > 1) - { - buffer[count - 1] - = ptrace (1, inferior_pid, - addr + (count - 1) * sizeof (int), 0); - } - - /* Copy data to be written over corresponding part of buffer */ - - memcpy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len); - - /* Write the entire buffer. */ - - for (i = 0; i < count; i++, addr += sizeof (int)) - { - errno = 0; - ptrace (4, inferior_pid, addr, buffer[i]); - if (errno) - return errno; - } - - return 0; -} - -void -initialize () -{ - inferior_pid = 0; -} - -int -have_inferior_p () -{ - return inferior_pid != 0; -} diff --git a/gdb/gdbserver/remote-utils.c b/gdb/gdbserver/remote-utils.c deleted file mode 100644 index 5283404..0000000 --- a/gdb/gdbserver/remote-utils.c +++ /dev/null @@ -1,545 +0,0 @@ -/* Remote utility routines for the remote server for GDB. - Copyright (C) 1986, 1989, 1993 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. */ - -#include "server.h" -#include "terminal.h" -#include <stdio.h> -#include <string.h> -#include <sys/ioctl.h> -#include <sys/file.h> -#include <netinet/in.h> -#include <sys/socket.h> -#include <netdb.h> -#include <netinet/tcp.h> -#include <sys/ioctl.h> -#include <signal.h> -#include <fcntl.h> - -int remote_debug = 1; - -static int remote_desc; - -/* Open a connection to a remote debugger. - NAME is the filename used for communication. */ - -void -remote_open (name) - char *name; -{ - int save_fcntl_flags; - - if (!strchr (name, ':')) - { - remote_desc = open (name, O_RDWR); - if (remote_desc < 0) - perror_with_name ("Could not open remote device"); - -#ifdef HAVE_TERMIOS - { - struct termios termios; - tcgetattr(remote_desc, &termios); - - termios.c_iflag = 0; - termios.c_oflag = 0; - termios.c_lflag = 0; - termios.c_cflag &= ~(CSIZE|PARENB); - termios.c_cflag |= CLOCAL | CS8; - termios.c_cc[VMIN] = 0; - termios.c_cc[VTIME] = 0; - - tcsetattr(remote_desc, TCSANOW, &termios); - } -#endif - -#ifdef HAVE_TERMIO - { - struct termio termio; - ioctl (remote_desc, TCGETA, &termio); - - termio.c_iflag = 0; - termio.c_oflag = 0; - termio.c_lflag = 0; - termio.c_cflag &= ~(CSIZE|PARENB); - termio.c_cflag |= CLOCAL | CS8; - termio.c_cc[VMIN] = 0; - termio.c_cc[VTIME] = 0; - - ioctl (remote_desc, TCSETA, &termio); - } -#endif - -#ifdef HAVE_SGTTY - { - struct sgttyb sg; - - ioctl (remote_desc, TIOCGETP, &sg); - sg.sg_flags = RAW; - ioctl (remote_desc, TIOCSETP, &sg); - } -#endif - - - } - else - { - char *port_str; - int port; - struct sockaddr_in sockaddr; - int tmp; - struct protoent *protoent; - int tmp_desc; - - port_str = strchr (name, ':'); - - port = atoi (port_str + 1); - - tmp_desc = socket (PF_INET, SOCK_STREAM, 0); - if (tmp_desc < 0) - perror_with_name ("Can't open socket"); - - /* Allow rapid reuse of this port. */ - tmp = 1; - setsockopt (tmp_desc, SOL_SOCKET, SO_REUSEADDR, (char *)&tmp, - sizeof(tmp)); - - sockaddr.sin_family = PF_INET; - sockaddr.sin_port = htons(port); - sockaddr.sin_addr.s_addr = INADDR_ANY; - - if (bind (tmp_desc, (struct sockaddr *)&sockaddr, sizeof (sockaddr)) - || listen (tmp_desc, 1)) - perror_with_name ("Can't bind address"); - - tmp = sizeof (sockaddr); - remote_desc = accept (tmp_desc, (struct sockaddr *)&sockaddr, &tmp); - if (remote_desc == -1) - perror_with_name ("Accept failed"); - - protoent = getprotobyname ("tcp"); - if (!protoent) - perror_with_name ("getprotobyname"); - - /* Enable TCP keep alive process. */ - tmp = 1; - setsockopt (tmp_desc, SOL_SOCKET, SO_KEEPALIVE, (char *)&tmp, sizeof(tmp)); - - /* Tell TCP not to delay small packets. This greatly speeds up - interactive response. */ - tmp = 1; - setsockopt (remote_desc, protoent->p_proto, TCP_NODELAY, - (char *)&tmp, sizeof(tmp)); - - close (tmp_desc); /* No longer need this */ - - signal (SIGPIPE, SIG_IGN); /* If we don't do this, then gdbserver simply - exits when the remote side dies. */ - } - -#if defined(F_SETFL) && defined (FASYNC) - save_fcntl_flags = fcntl (remote_desc, F_GETFL, 0); - fcntl (remote_desc, F_SETFL, save_fcntl_flags | FASYNC); - disable_async_io (); -#endif /* FASYNC */ - fprintf (stderr, "Remote debugging using %s\n", name); -} - -void -remote_close() -{ - close (remote_desc); -} - -/* Convert hex digit A to a number. */ - -static int -fromhex (a) - int a; -{ - if (a >= '0' && a <= '9') - return a - '0'; - else if (a >= 'a' && a <= 'f') - return a - 'a' + 10; - else - error ("Reply contains invalid hex digit"); -} - -/* Convert number NIB to a hex digit. */ - -static int -tohex (nib) - int nib; -{ - if (nib < 10) - return '0' + nib; - else - return 'a' + nib - 10; -} - -/* Send a packet to the remote machine, with error checking. - The data of the packet is in BUF. Returns >= 0 on success, -1 otherwise. */ - -int -putpkt (buf) - char *buf; -{ - int i; - unsigned char csum = 0; - char buf2[2000]; - char buf3[1]; - int cnt = strlen (buf); - char *p; - - /* Copy the packet into buffer BUF2, encapsulating it - and giving it a checksum. */ - - p = buf2; - *p++ = '$'; - - for (i = 0; i < cnt; i++) - { - csum += buf[i]; - *p++ = buf[i]; - } - *p++ = '#'; - *p++ = tohex ((csum >> 4) & 0xf); - *p++ = tohex (csum & 0xf); - - *p = '\0'; - - /* Send it over and over until we get a positive ack. */ - - do - { - int cc; - - if (write (remote_desc, buf2, p - buf2) != p - buf2) - { - perror ("putpkt(write)"); - return -1; - } - - if (remote_debug) - printf ("putpkt (\"%s\"); [looking for ack]\n", buf2); - cc = read (remote_desc, buf3, 1); - if (remote_debug) - printf ("[received '%c' (0x%x)]\n", buf3[0], buf3[0]); - if (cc <= 0) - { - if (cc == 0) - fprintf (stderr, "putpkt(read): Got EOF\n"); - else - perror ("putpkt(read)"); - - return -1; - } - } - while (buf3[0] != '+'); - - return 1; /* Success! */ -} - -/* Come here when we get an input interrupt from the remote side. This - interrupt should only be active while we are waiting for the child to do - something. About the only thing that should come through is a ^C, which - will cause us to send a SIGINT to the child. */ - -static void -input_interrupt() -{ - int cc; - char c; - - cc = read (remote_desc, &c, 1); - - if (cc != 1 || c != '\003') - { - fprintf(stderr, "input_interrupt, cc = %d c = %d\n", cc, c); - return; - } - - kill (inferior_pid, SIGINT); -} - -void -enable_async_io() -{ - signal (SIGIO, input_interrupt); -} - -void -disable_async_io() -{ - signal (SIGIO, SIG_IGN); -} - -/* Returns next char from remote GDB. -1 if error. */ - -static int -readchar () -{ - static char buf[BUFSIZ]; - static int bufcnt = 0; - static char *bufp; - - if (bufcnt-- > 0) - return *bufp++ & 0x7f; - - bufcnt = read (remote_desc, buf, sizeof (buf)); - - if (bufcnt <= 0) - { - if (bufcnt == 0) - fprintf (stderr, "readchar: Got EOF\n"); - else - perror ("readchar"); - - return -1; - } - - bufp = buf; - bufcnt--; - return *bufp++ & 0x7f; -} - -/* Read a packet from the remote machine, with error checking, - and store it in BUF. Returns length of packet, or negative if error. */ - -int -getpkt (buf) - char *buf; -{ - char *bp; - unsigned char csum, c1, c2; - int c; - - while (1) - { - csum = 0; - - while (1) - { - c = readchar (); - if (c == '$') - break; - if (remote_debug) - printf ("[getpkt: discarding char '%c']\n", c); - if (c < 0) - return -1; - } - - bp = buf; - while (1) - { - c = readchar (); - if (c < 0) - return -1; - if (c == '#') - break; - *bp++ = c; - csum += c; - } - *bp = 0; - - c1 = fromhex (readchar ()); - c2 = fromhex (readchar ()); - - if (csum == (c1 << 4) + c2) - break; - - fprintf (stderr, "Bad checksum, sentsum=0x%x, csum=0x%x, buf=%s\n", - (c1 << 4) + c2, csum, buf); - write (remote_desc, "-", 1); - } - - if (remote_debug) - printf ("getpkt (\"%s\"); [sending ack] \n", buf); - - write (remote_desc, "+", 1); - - if (remote_debug) - printf ("[sent ack]\n"); - return bp - buf; -} - -void -write_ok (buf) - char *buf; -{ - buf[0] = 'O'; - buf[1] = 'K'; - buf[2] = '\0'; -} - -void -write_enn (buf) - char *buf; -{ - buf[0] = 'E'; - buf[1] = 'N'; - buf[2] = 'N'; - buf[3] = '\0'; -} - -void -convert_int_to_ascii (from, to, n) - char *from, *to; - int n; -{ - int nib; - char ch; - while (n--) - { - ch = *from++; - nib = ((ch & 0xf0) >> 4) & 0x0f; - *to++ = tohex (nib); - nib = ch & 0x0f; - *to++ = tohex (nib); - } - *to++ = 0; -} - - -void -convert_ascii_to_int (from, to, n) - char *from, *to; - int n; -{ - int nib1, nib2; - while (n--) - { - nib1 = fromhex (*from++); - nib2 = fromhex (*from++); - *to++ = (((nib1 & 0x0f) << 4) & 0xf0) | (nib2 & 0x0f); - } -} - -static char * -outreg(regno, buf) - int regno; - char *buf; -{ - extern char registers[]; - int regsize = REGISTER_RAW_SIZE (regno); - - *buf++ = tohex (regno >> 4); - *buf++ = tohex (regno & 0xf); - *buf++ = ':'; - convert_int_to_ascii (®isters[REGISTER_BYTE (regno)], buf, regsize); - buf += 2 * regsize; - *buf++ = ';'; - - return buf; -} - -void -prepare_resume_reply (buf, status, signo) - char *buf; - char status; - unsigned char signo; -{ - int nib; - - *buf++ = status; - - /* FIXME! Should be converting this signal number (numbered - according to the signal numbering of the system we are running on) - to the signal numbers used by the gdb protocol (see enum target_signal - in gdb/target.h). */ - nib = ((signo & 0xf0) >> 4); - *buf++ = tohex (nib); - nib = signo & 0x0f; - *buf++ = tohex (nib); - - if (status == 'T') - { - buf = outreg (PC_REGNUM, buf); - buf = outreg (FP_REGNUM, buf); - buf = outreg (SP_REGNUM, buf); -#ifdef NPC_REGNUM - buf = outreg (NPC_REGNUM, buf); -#endif -#ifdef O7_REGNUM - buf = outreg (O7_REGNUM, buf); -#endif - - /* If the debugger hasn't used any thread features, don't burden it with - threads. If we didn't check this, GDB 4.13 and older would choke. */ - if (cont_thread != 0) - { - if (old_thread_from_wait != thread_from_wait) - { - sprintf (buf, "thread:%x;", thread_from_wait); - buf += strlen (buf); - old_thread_from_wait = thread_from_wait; - } - } - } - /* For W and X, we're done. */ - *buf++ = 0; -} - -void -decode_m_packet (from, mem_addr_ptr, len_ptr) - char *from; - CORE_ADDR *mem_addr_ptr; - unsigned int *len_ptr; -{ - int i = 0, j = 0; - char ch; - *mem_addr_ptr = *len_ptr = 0; - - while ((ch = from[i++]) != ',') - { - *mem_addr_ptr = *mem_addr_ptr << 4; - *mem_addr_ptr |= fromhex (ch) & 0x0f; - } - - for (j = 0; j < 4; j++) - { - if ((ch = from[i++]) == 0) - break; - *len_ptr = *len_ptr << 4; - *len_ptr |= fromhex (ch) & 0x0f; - } -} - -void -decode_M_packet (from, mem_addr_ptr, len_ptr, to) - char *from, *to; - CORE_ADDR *mem_addr_ptr; - unsigned int *len_ptr; -{ - int i = 0; - char ch; - *mem_addr_ptr = *len_ptr = 0; - - while ((ch = from[i++]) != ',') - { - *mem_addr_ptr = *mem_addr_ptr << 4; - *mem_addr_ptr |= fromhex (ch) & 0x0f; - } - - while ((ch = from[i++]) != ':') - { - *len_ptr = *len_ptr << 4; - *len_ptr |= fromhex (ch) & 0x0f; - } - - convert_ascii_to_int (&from[i++], to, *len_ptr); -} diff --git a/gdb/gdbserver/server.c b/gdb/gdbserver/server.c deleted file mode 100644 index a38fda6..0000000 --- a/gdb/gdbserver/server.c +++ /dev/null @@ -1,118 +0,0 @@ -/* Main code for remote server for GDB. - Copyright (C) 1989, 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include "server.h" - -main (argc, argv) - int argc; - char *argv[]; -{ - char ch, status, own_buf[2000], mem_buf[2000]; - int i = 0; - unsigned char signal; - unsigned int mem_addr, len; - - if (setjmp(toplevel)) - { - fprintf(stderr, "Exiting\n"); - exit(1); - } - - if (argc < 3) - error("Usage: gdbserver tty prog [args ...]"); - - inferior_pid = create_inferior (argv[2], &argv[2]); - fprintf (stderr, "Process %s created; pid = %d\n", argv[2], inferior_pid); - - signal = mywait (&status); /* Wait till we are at 1st instr in prog */ - - /* We are now stopped at the first instruction of the target process */ - - while (1) - { - remote_open (argv[1]); - - setjmp(toplevel); - while (getpkt (own_buf) > 0) - { - i = 0; - ch = own_buf[i++]; - switch (ch) - { - case '?': - prepare_resume_reply (own_buf, status, signal); - break; - case 'g': - convert_int_to_ascii (registers, own_buf, REGISTER_BYTES); - break; - case 'G': - convert_ascii_to_int (&own_buf[1], registers, REGISTER_BYTES); - store_inferior_registers (-1); - write_ok (own_buf); - break; - case 'm': - decode_m_packet (&own_buf[1], &mem_addr, &len); - read_inferior_memory (mem_addr, mem_buf, len); - convert_int_to_ascii (mem_buf, own_buf, len); - break; - case 'M': - decode_M_packet (&own_buf[1], &mem_addr, &len, mem_buf); - if (write_inferior_memory (mem_addr, mem_buf, len) == 0) - write_ok (own_buf); - else - write_enn (own_buf); - break; - case 'c': - myresume (0, 0); - signal = mywait (&status); - prepare_resume_reply (own_buf, status, signal); - break; - case 's': - myresume (1, 0); - signal = mywait (&status); - prepare_resume_reply (own_buf, status, signal); - break; - case 'k': - fprintf (stderr, "Killing inferior\n"); - kill_inferior (); - inferior_pid = create_inferior (argv[2], &argv[2]); - fprintf (stderr, "Process %s created; pid = %d\n", argv[2], - inferior_pid); - signal = mywait (&status); /* Wait till we are at 1st instr in prog */ - break; - case 'q': - own_buf[0] = '\0'; - break; - default: - printf ("\nUnknown option chosen by master\n"); - write_enn (own_buf); - break; - } - - putpkt (own_buf); - } - - /* We come here when getpkt fails. Close the connection, and re-open it - at the top of the loop. */ - - fprintf (stderr, "Remote side has terminated connection. GDBserver will reopen the connection.\n"); - - remote_close (); - } -} diff --git a/gdb/gdbserver/utils.c b/gdb/gdbserver/utils.c deleted file mode 100644 index de8226b..0000000 --- a/gdb/gdbserver/utils.c +++ /dev/null @@ -1,82 +0,0 @@ -/* General utility routines for the remote server for GDB. - Copyright (C) 1986, 1989, 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include "server.h" -#include <stdio.h> - -/* Generally useful subroutines used throughout the program. */ - -/* Print the system error message for errno, and also mention STRING - as the file name for which the error was encountered. - Then return to command level. */ - -void -perror_with_name (string) - char *string; -{ - extern int sys_nerr; - extern char *sys_errlist[]; - extern int errno; - char *err; - char *combined; - - if (errno < sys_nerr) - err = sys_errlist[errno]; - else - err = "unknown error"; - - combined = (char *) alloca (strlen (err) + strlen (string) + 3); - strcpy (combined, string); - strcat (combined, ": "); - strcat (combined, err); - - error ("%s.", combined); -} - -/* Print an error message and return to command level. - STRING is the error message, used as a fprintf string, - and ARG is passed as an argument to it. */ - -NORETURN void -error (string, arg1, arg2, arg3) - char *string; - int arg1, arg2, arg3; -{ - extern jmp_buf toplevel; - - fflush (stdout); - fprintf (stderr, string, arg1, arg2, arg3); - fprintf (stderr, "\n"); - longjmp(toplevel, 1); -} - -/* Print an error message and exit reporting failure. - This is for a error that we cannot continue from. - STRING and ARG are passed to fprintf. */ - -void -fatal (string, arg) - char *string; - int arg; -{ - fprintf (stderr, "gdb: "); - fprintf (stderr, string, arg); - fprintf (stderr, "\n"); - exit (1); -} |