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config.status Property changes : Deleted: svn:executable ## -1 +0,0 ## -* \ No newline at end of property Index: Makefile =================================================================== --- Makefile (revision 1765) +++ Makefile (nonexistent) @@ -1,265 +0,0 @@ -# Generated automatically from Makefile.in by configure. -#Copyright 1989, 90, 91, 92, 93, 94, 95, 96, 97, 99, 2000 -#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 -exec_prefix = ${prefix} - -host_alias = i686-pc-linux-gnu -target_alias = i686-pc-linux-gnu -program_transform_name = s,x,x, -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 -htmldir = $(prefix)/html -includedir = ${prefix}/include - -SHELL = /bin/sh - -INSTALL = /usr/bin//install -c -INSTALL_PROGRAM = ${INSTALL} -INSTALL_DATA = ${INSTALL} -m 644 - -AR = ar -AR_FLAGS = qv -RANLIB = ranlib - -# If you are compiling with GCC, make sure that either 1) You use the -# -traditional flag, or 2) You have the fixed include files where GCC -# can reach them. Otherwise the ioctl calls in inflow.c -# will be incorrectly compiled. The "fixincludes" script in the gcc -# distribution will fix your include files up. -#CC=cc -#CC=gcc -traditional -GCC=gcc - -# Directory containing source files. Don't clean up the spacing, -# this exact string is matched for by the "configure" script. -srcdir = . - -# It is also possible that you will need to add -I/usr/include/sys to the -# CFLAGS section if your system doesn't have fcntl.h in /usr/include (which -# is where it should be according to Posix). - -# Set this up with gcc if you have gnu ld and the loader will print out -# line numbers for undefinded refs. -#CC-LD=gcc -static -CC-LD=${CC} - -# Where is the "include" directory? Traditionally ../include or ./include -INCLUDE_DIR = ${srcdir}/../../include -INCLUDE_DEP = $$(INCLUDE_DIR) - -# Where are the BFD library? -BFD_DIR = ../../bfd -BFD = $(BFD_DIR)/libbfd.a -BFD_SRC = $(srcdir)/$(BFD_DIR) -BFD_CFLAGS = -I$(BFD_DIR) -I$(BFD_SRC) - -# Where is the source dir for the READLINE library? Traditionally in .. or . -# (For the binary library built from it, we use ${READLINE_DIR}${subdir}.) -READLINE_DIR = ${srcdir}/../readline -READLINE_DEP = $$(READLINE_DIR) - -# All the includes used for CFLAGS and for lint. -# -I. for config files. -# -I.. for gdb's config files (especially config.h) -# -I${srcdir} possibly for regex.h also. -# -I${srcdir}/config for more generic config files. -INCLUDE_CFLAGS = -I. -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} \ - ${INCLUDE_CFLAGS} ${BFD_CFLAGS} -DGDBSERVER - -# 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. - -# Host: Intel 386 running GNU/Linux - -XM_FILE= xm-linux.h -XDEPFILES= ser-tcp.o - -NAT_FILE= nm-linux.h -NATDEPFILES= infptrace.o solib.o inftarg.o fork-child.o corelow.o \ - core-aout.o i386v-nat.o i386-linux-nat.o linux-thread.o lin-thread.o - -LOADLIBES = -ldl -rdynamic - -# Target: Intel 386 running GNU/Linux -TDEPFILES= i386-tdep.o i386-linux-tdep.o i387-tdep.o -TM_FILE= tm-linux.h - -GDBSERVER_DEPFILES= low-linux.o -# End of host and target-dependent makefile fragments - -# All source files that go into linking GDB remote server. - -SFILES = $(srcdir)/low-hppabsd.c $(srcdir)/low-linux.c $(srcdir)/low-lynx.c \ - $(srcdir)/low-nbsd.c $(srcdir)/low-sim.c $(srcdir)/low-sparc.c \ - $(srcdir)/low-sun3.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} $< - -all: gdbserver gdbreplay - -# Traditionally "install" depends on "all". But it may be useful -# not to; for example, if the user has made some trivial change to a -# source file and doesn't care about rebuilding or just wants to save the -# time it takes for make to check that all is up to date. -# install-only is intended to address that need. -install: all install-only -install-only: - n=`echo gdbserver | sed '$(program_transform_name)'`; \ - if [ x$$n = x ]; then n=gdbserver; else true; fi; \ - $(INSTALL_PROGRAM) gdbserver $(bindir)/$$n; \ - $(INSTALL_DATA) $(srcdir)/gdbserver.1 $(man1dir)/$$n.1 - -uninstall: force - n=`echo gdbserver | sed '$(program_transform_name)'`; \ - if [ x$$n = x ]; then n=gdbserver; else true; fi; \ - rm -f $(bindir)/$$n $(man1dir)/$$n.1 - -installcheck: -check: -info dvi: -install-info: -html: -install-html: -clean-info: - -gdbserver: $(OBS) ${ADD_DEPS} ${CDEPS} - rm -f gdbserver - ${CC-LD} $(GLOBAL_CFLAGS) $(LDFLAGS) -o gdbserver $(OBS) \ - $(GDBSERVER_LIBS) $(XM_CLIBS) - -gdbreplay: gdbreplay.o - rm -f gdbreplay - ${CC-LD} $(GLOBAL_CFLAGS) $(LDFLAGS) -o gdbreplay gdbreplay.o \ - $(XM_CLIBS) - -# 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 gdbreplay 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: Makefile.in config.status ./../config/i386/linux.mh ./../config/i386/linux.mt - $(SHELL) ./config.status - -config.status: configure - $(SHELL) ./config.status --recheck - -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-linux.o : ${srcdir}/low-linux.c ${srcdir}/server.h -low-lynx.o : ${srcdir}/low-lynx.c ${srcdir}/server.h -low-nbsd.o : ${srcdir}/low-nbsd.c ${srcdir}/server.h -low-sim.o : ${srcdir}/low-sim.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". Index: low-linux.c =================================================================== --- low-linux.c (revision 1765) +++ low-linux.c (nonexistent) @@ -1,772 +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 -#include "frame.h" -#include "inferior.h" - -#include -#include -#include -#include -#include -#include -#include -#include - -/***************Begin MY defs*********************/ -int quit_flag = 0; -static char my_registers[REGISTER_BYTES]; -char *registers = my_registers; - -/* Index within `registers' of the first byte of the space for - register N. */ - - -char buf2[MAX_REGISTER_RAW_SIZE]; -/***************End MY defs*********************/ - -#ifdef HAVE_SYS_REG_H -#include -#endif - -/* Default the type of the ptrace transfer to int. */ -#ifndef PTRACE_XFER_TYPE -#define PTRACE_XFER_TYPE int -#endif - -extern char **environ; -extern int errno; -extern int inferior_pid; -void quit (), perror_with_name (); -int query (); - -static void initialize_arch (void); - -/* 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 - -#ifdef I386_GNULINUX_TARGET -/* i386_register_raw_size[i] is the number of bytes of storage in the - actual machine representation for register i. */ -int i386_register_raw_size[MAX_NUM_REGS] = { - 4, 4, 4, 4, - 4, 4, 4, 4, - 4, 4, 4, 4, - 4, 4, 4, 4, - 10, 10, 10, 10, - 10, 10, 10, 10, - 4, 4, 4, 4, - 4, 4, 4, 4, - 16, 16, 16, 16, - 16, 16, 16, 16, - 4 -}; - -int i386_register_byte[MAX_NUM_REGS]; - -static void -initialize_arch () -{ - /* Initialize the table saying where each register starts in the - register file. */ - { - int i, offset; - - offset = 0; - for (i = 0; i < MAX_NUM_REGS; i++) - { - i386_register_byte[i] = offset; - offset += i386_register_raw_size[i]; - } - } -} - -/* this table must line up with REGISTER_NAMES in tm-i386v.h */ -/* symbols like 'EAX' come from */ -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]); - -} -#elif defined(TARGET_M68K) -static void -initialize_arch () -{ - return; -} - -/* 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]); -} -#elif defined(IA64_GNULINUX_TARGET) -#undef NUM_FREGS -#define NUM_FREGS 0 - -#include - -static int u_offsets[] = - { - /* general registers */ - -1, /* gr0 not available; i.e, it's always zero */ - PT_R1, - PT_R2, - PT_R3, - PT_R4, - PT_R5, - PT_R6, - PT_R7, - PT_R8, - PT_R9, - PT_R10, - PT_R11, - PT_R12, - PT_R13, - PT_R14, - PT_R15, - PT_R16, - PT_R17, - PT_R18, - PT_R19, - PT_R20, - PT_R21, - PT_R22, - PT_R23, - PT_R24, - PT_R25, - PT_R26, - PT_R27, - PT_R28, - PT_R29, - PT_R30, - PT_R31, - /* gr32 through gr127 not directly available via the ptrace interface */ - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - /* Floating point registers */ - -1, -1, /* f0 and f1 not available (f0 is +0.0 and f1 is +1.0) */ - PT_F2, - PT_F3, - PT_F4, - PT_F5, - PT_F6, - PT_F7, - PT_F8, - PT_F9, - PT_F10, - PT_F11, - PT_F12, - PT_F13, - PT_F14, - PT_F15, - PT_F16, - PT_F17, - PT_F18, - PT_F19, - PT_F20, - PT_F21, - PT_F22, - PT_F23, - PT_F24, - PT_F25, - PT_F26, - PT_F27, - PT_F28, - PT_F29, - PT_F30, - PT_F31, - PT_F32, - PT_F33, - PT_F34, - PT_F35, - PT_F36, - PT_F37, - PT_F38, - PT_F39, - PT_F40, - PT_F41, - PT_F42, - PT_F43, - PT_F44, - PT_F45, - PT_F46, - PT_F47, - PT_F48, - PT_F49, - PT_F50, - PT_F51, - PT_F52, - PT_F53, - PT_F54, - PT_F55, - PT_F56, - PT_F57, - PT_F58, - PT_F59, - PT_F60, - PT_F61, - PT_F62, - PT_F63, - PT_F64, - PT_F65, - PT_F66, - PT_F67, - PT_F68, - PT_F69, - PT_F70, - PT_F71, - PT_F72, - PT_F73, - PT_F74, - PT_F75, - PT_F76, - PT_F77, - PT_F78, - PT_F79, - PT_F80, - PT_F81, - PT_F82, - PT_F83, - PT_F84, - PT_F85, - PT_F86, - PT_F87, - PT_F88, - PT_F89, - PT_F90, - PT_F91, - PT_F92, - PT_F93, - PT_F94, - PT_F95, - PT_F96, - PT_F97, - PT_F98, - PT_F99, - PT_F100, - PT_F101, - PT_F102, - PT_F103, - PT_F104, - PT_F105, - PT_F106, - PT_F107, - PT_F108, - PT_F109, - PT_F110, - PT_F111, - PT_F112, - PT_F113, - PT_F114, - PT_F115, - PT_F116, - PT_F117, - PT_F118, - PT_F119, - PT_F120, - PT_F121, - PT_F122, - PT_F123, - PT_F124, - PT_F125, - PT_F126, - PT_F127, - /* predicate registers - we don't fetch these individually */ - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - /* branch registers */ - PT_B0, - PT_B1, - PT_B2, - PT_B3, - PT_B4, - PT_B5, - PT_B6, - PT_B7, - /* virtual frame pointer and virtual return address pointer */ - -1, -1, - /* other registers */ - PT_PR, - PT_CR_IIP, /* ip */ - PT_CR_IPSR, /* psr */ - PT_CR_IFS, /* cfm */ - /* kernel registers not visible via ptrace interface (?) */ - -1, -1, -1, -1, -1, -1, -1, -1, - /* hole */ - -1, -1, -1, -1, -1, -1, -1, -1, - PT_AR_RSC, - PT_AR_BSP, - PT_AR_BSPSTORE, - PT_AR_RNAT, - -1, - -1, /* Not available: FCR, IA32 floating control register */ - -1, -1, - -1, /* Not available: EFLAG */ - -1, /* Not available: CSD */ - -1, /* Not available: SSD */ - -1, /* Not available: CFLG */ - -1, /* Not available: FSR */ - -1, /* Not available: FIR */ - -1, /* Not available: FDR */ - -1, - PT_AR_CCV, - -1, -1, -1, - PT_AR_UNAT, - -1, -1, -1, - PT_AR_FPSR, - -1, -1, -1, - -1, /* Not available: ITC */ - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, - PT_AR_PFS, - PT_AR_LC, - -1, /* Not available: EC, the Epilog Count register */ - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, - /* nat bits - not fetched directly; instead we obtain these bits from - either rnat or unat or from memory. */ - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - }; - -int -ia64_register_u_addr (int blockend, int regnum) -{ - int addr; - - if (regnum < 0 || regnum >= NUM_REGS) - error ("Invalid register number %d.", regnum); - - addr = u_offsets[regnum]; - if (addr == -1) - addr = 0; - - return addr; -} - -static void -initialize_arch () -{ - return; -} -#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; -{ - CORE_ADDR 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 (PTRACE_XFER_TYPE)) - { - errno = 0; - *(PTRACE_XFER_TYPE *) ®isters[REGISTER_BYTE (regno) + i] = - ptrace (PTRACE_PEEKUSER, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, 0); - regaddr += sizeof (PTRACE_XFER_TYPE); - 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; -{ - CORE_ADDR regaddr; - 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_POKEUSER, 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 (PTRACE_XFER_TYPE); - /* Round ending address up; get number of longwords that makes. */ - register int count - = (((memaddr + len) - addr) + sizeof (PTRACE_XFER_TYPE) - 1) - / sizeof (PTRACE_XFER_TYPE); - /* Allocate buffer of that many longwords. */ - register PTRACE_XFER_TYPE *buffer - = (PTRACE_XFER_TYPE *) alloca (count * sizeof (PTRACE_XFER_TYPE)); - - /* Read all the longwords */ - for (i = 0; i < count; i++, addr += sizeof (PTRACE_XFER_TYPE)) - { - buffer[i] = ptrace (PTRACE_PEEKTEXT, inferior_pid, addr, 0); - } - - /* Copy appropriate bytes out of the buffer. */ - memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (PTRACE_XFER_TYPE) - 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 (PTRACE_XFER_TYPE); - /* Round ending address up; get number of longwords that makes. */ - register int count - = (((memaddr + len) - addr) + sizeof (PTRACE_XFER_TYPE) - 1) / sizeof (PTRACE_XFER_TYPE); - /* Allocate buffer of that many longwords. */ - register PTRACE_XFER_TYPE *buffer = (PTRACE_XFER_TYPE *) alloca (count * sizeof (PTRACE_XFER_TYPE)); - 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 (PTRACE_XFER_TYPE), 0); - } - - /* Copy data to be written over corresponding part of buffer */ - - memcpy ((char *) buffer + (memaddr & (sizeof (PTRACE_XFER_TYPE) - 1)), myaddr, len); - - /* Write the entire buffer. */ - - for (i = 0; i < count; i++, addr += sizeof (PTRACE_XFER_TYPE)) - { - errno = 0; - ptrace (PTRACE_POKETEXT, inferior_pid, addr, buffer[i]); - if (errno) - return errno; - } - - return 0; -} - -void -initialize_low () -{ - initialize_arch (); -} Index: configure =================================================================== --- configure (revision 1765) +++ configure (nonexistent) @@ -1,1078 +0,0 @@ -#! /bin/sh - -# Guess values for system-dependent variables and create Makefiles. -# Generated automatically using autoconf version 2.12 -# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc. -# -# This configure script is free software; the Free Software Foundation -# gives unlimited permission to copy, distribute and modify it. - -# Defaults: -ac_help= -ac_default_prefix=/usr/local -# Any additions from configure.in: - -# Initialize some variables set by options. -# The variables have the same names as the options, with -# dashes changed to underlines. -build=NONE -cache_file=./config.cache -exec_prefix=NONE -host=NONE -no_create= -nonopt=NONE -no_recursion= -prefix=NONE -program_prefix=NONE -program_suffix=NONE -program_transform_name=s,x,x, -silent= -site= -srcdir= -target=NONE -verbose= -x_includes=NONE -x_libraries=NONE -bindir='${exec_prefix}/bin' -sbindir='${exec_prefix}/sbin' -libexecdir='${exec_prefix}/libexec' -datadir='${prefix}/share' -sysconfdir='${prefix}/etc' -sharedstatedir='${prefix}/com' -localstatedir='${prefix}/var' -libdir='${exec_prefix}/lib' -includedir='${prefix}/include' -oldincludedir='/usr/include' -infodir='${prefix}/info' -mandir='${prefix}/man' - -# Initialize some other variables. -subdirs= -MFLAGS= MAKEFLAGS= -# Maximum number of lines to put in a shell here document. -ac_max_here_lines=12 - -ac_prev= -for ac_option -do - - # If the previous option needs an argument, assign it. - if test -n "$ac_prev"; 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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 -#include - -/* 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; -{ -#ifndef STDC_HEADERS - extern int sys_nerr; - extern char *sys_errlist[]; - extern int errno; -#endif - const 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. */ - -#ifdef ANSI_PROTOTYPES -NORETURN void -error (const char *string,...) -#else -void -error (va_alist) - va_dcl -#endif -{ - extern jmp_buf toplevel; - va_list args; -#ifdef ANSI_PROTOTYPES - va_start (args, string); -#else - va_start (args); -#endif - fflush (stdout); -#ifdef ANSI_PROTOTYPES - vfprintf (stderr, string, args); -#else - { - char *string1; - - string1 = va_arg (args, char *); - vfprintf (stderr, string1, args); - } -#endif - 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. */ - -/* VARARGS */ -NORETURN void -#ifdef ANSI_PROTOTYPES -fatal (char *string,...) -#else -fatal (va_alist) - va_dcl -#endif -{ - va_list args; -#ifdef ANSI_PROTOTYPES - va_start (args, string); -#else - char *string; - va_start (args); - string = va_arg (args, char *); -#endif - fprintf (stderr, "gdb: "); - vfprintf (stderr, string, args); - fprintf (stderr, "\n"); - va_end (args); - exit (1); -} Index: gdbserver.1 =================================================================== --- gdbserver.1 (revision 1765) +++ gdbserver.1 (nonexistent) @@ -1,103 +0,0 @@ -.\" Copyright (c) 1993 Free Software Foundation -.\" See section COPYING for conditions for redistribution -.TH gdbserver 1 "2 November 1993" "Cygnus Support" "GNU Development Tools" -.SH NAME -gdbserver \- Remote Server for the GNU Debugger -.SH SYNOPSIS -.na -.TP -.B gdbserver -.RB tty -.RB prog -.RB "[\|" args... "\|]" -.ad b -.SH DESCRIPTION -GDBSERVER is a program that allows you to run GDB on a different machine -than the one which is running the program being debugged. - -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'. -.SH OPTIONS -You have to supply the name of the program to debug -and the tty to communicate on; the remote GDB will do everything else. -Any remaining arguments will be passed to the program verbatim. -.SH "SEE ALSO" -.RB "`\|" gdb "\|'" -entry in -.B info\c -\&; -.I -Using GDB: A Guide to the GNU Source-Level Debugger\c -, Richard M. Stallman and Roland H. Pesch, July 1991. -.SH COPYING -Copyright (c) 1993 Free Software Foundation, Inc. -.PP -Permission is granted to make and distribute verbatim copies of -this manual provided the copyright notice and this permission notice -are preserved on all copies. -.PP -Permission is granted to copy and distribute modified versions of this -manual under the conditions for verbatim copying, provided that the -entire resulting derived work is distributed under the terms of a -permission notice identical to this one. -.PP -Permission is granted to copy and distribute translations of this -manual into another language, under the above conditions for modified -versions, except that this permission notice may be included in -translations approved by the Free Software Foundation instead of in -the original English. Index: Makefile.in =================================================================== --- Makefile.in (revision 1765) +++ Makefile.in (nonexistent) @@ -1,250 +0,0 @@ -#Copyright 1989, 90, 91, 92, 93, 94, 95, 96, 97, 99, 2000 -#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 = @prefix@ -exec_prefix = @exec_prefix@ - -host_alias = @host_alias@ -target_alias = @target_alias@ -program_transform_name = @program_transform_name@ -bindir = @bindir@ -libdir = @libdir@ -tooldir = $(libdir)/$(target_alias) - -datadir = @datadir@ -mandir = @mandir@ -man1dir = $(mandir)/man1 -man2dir = $(mandir)/man2 -man3dir = $(mandir)/man3 -man4dir = $(mandir)/man4 -man5dir = $(mandir)/man5 -man6dir = $(mandir)/man6 -man7dir = $(mandir)/man7 -man8dir = $(mandir)/man8 -man9dir = $(mandir)/man9 -infodir = @infodir@ -htmldir = $(prefix)/html -includedir = @includedir@ - -SHELL = /bin/sh - -INSTALL = @INSTALL@ -INSTALL_PROGRAM = @INSTALL_PROGRAM@ -INSTALL_DATA = @INSTALL_DATA@ - -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 = @srcdir@ -VPATH = @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 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.. for gdb's config files (especially config.h) -# -I${srcdir} possibly for regex.h also. -# -I${srcdir}/config for more generic config files. -INCLUDE_CFLAGS = -I. -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} \ - ${INCLUDE_CFLAGS} ${BFD_CFLAGS} -DGDBSERVER - -# 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. -@host_makefile_frag@ -@target_makefile_frag@ -# End of host and target-dependent makefile fragments - -# All source files that go into linking GDB remote server. - -SFILES = $(srcdir)/low-hppabsd.c $(srcdir)/low-linux.c $(srcdir)/low-lynx.c \ - $(srcdir)/low-nbsd.c $(srcdir)/low-sim.c $(srcdir)/low-sparc.c \ - $(srcdir)/low-sun3.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: - n=`echo gdbserver | sed '$(program_transform_name)'`; \ - if [ x$$n = x ]; then n=gdbserver; else true; fi; \ - $(INSTALL_PROGRAM) gdbserver $(bindir)/$$n; \ - $(INSTALL_DATA) $(srcdir)/gdbserver.1 $(man1dir)/$$n.1 - -uninstall: force - n=`echo gdbserver | sed '$(program_transform_name)'`; \ - if [ x$$n = x ]; then n=gdbserver; else true; fi; \ - rm -f $(bindir)/$$n $(man1dir)/$$n.1 - -installcheck: -check: -info dvi: -install-info: -html: -install-html: -clean-info: - -gdbserver: $(OBS) ${ADD_DEPS} ${CDEPS} - rm -f gdbserver - ${CC-LD} $(GLOBAL_CFLAGS) $(LDFLAGS) -o gdbserver $(OBS) \ - $(GDBSERVER_LIBS) $(XM_CLIBS) - -gdbreplay: gdbreplay.o - rm -f gdbreplay - ${CC-LD} $(GLOBAL_CFLAGS) $(LDFLAGS) -o gdbreplay gdbreplay.o \ - $(XM_CLIBS) - -# Put the proper machine-specific files first, so M-. on a machine -# specific routine gets the one for the correct machine. -# The xyzzy stuff below deals with empty DEPFILES -TAGS: ${TAGFILES} - etags `find ${srcdir}/../config -name $(TM_FILE) -print` \ - `find ${srcdir}/../config -name ${XM_FILE} -print` \ - `find ${srcdir}/../config -name ${NAT_FILE} -print` \ - `for i in yzzy ${DEPFILES}; do \ - if [ x$$i != xyzzy ]; then \ - echo ${srcdir}/$$i | sed -e 's/\.o$$/\.c/' ; \ - fi; \ - done` \ - ${TAGFILES} -tags: TAGS - -clean: - rm -f *.o ${ADD_FILES} *~ - rm -f gdbserver gdbreplay core make.log - -distclean: clean - rm -f nm.h tm.h xm.h config.status - rm -f Makefile - -maintainer-clean realclean: clean - rm -f nm.h tm.h xm.h config.status - rm -f Makefile - -STAGESTUFF=${OBS} ${TSOBS} ${NTSOBS} ${ADD_FILES} init.c init.o version.c gdb - -Makefile: Makefile.in config.status @frags@ - $(SHELL) ./config.status - -config.status: configure - $(SHELL) ./config.status --recheck - -force: - -version.c: Makefile - echo 'char *version = "$(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-linux.o : ${srcdir}/low-linux.c ${srcdir}/server.h -low-lynx.o : ${srcdir}/low-lynx.c ${srcdir}/server.h -low-nbsd.o : ${srcdir}/low-nbsd.c ${srcdir}/server.h -low-sim.o : ${srcdir}/low-sim.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". Index: config.log =================================================================== --- config.log (revision 1765) +++ config.log (nonexistent) @@ -1,7 +0,0 @@ -This file contains any messages produced by compilers while -running configure, to aid debugging if configure makes a mistake. - -configure:570: checking host system type -configure:591: checking target system type -configure:609: checking build system type -configure:642: checking for a BSD compatible install Index: configure.in =================================================================== --- configure.in (revision 1765) +++ configure.in (nonexistent) @@ -1,95 +0,0 @@ -dnl Autoconf configure script for GDB server. -dnl Copyright 2000 Free Software Foundation, Inc. -dnl -dnl This file is part of GDB. -dnl -dnl This program is free software; you can redistribute it and/or modify -dnl it under the terms of the GNU General Public License as published by -dnl the Free Software Foundation; either version 2 of the License, or -dnl (at your option) any later version. -dnl -dnl This program is distributed in the hope that it will be useful, -dnl but WITHOUT ANY WARRANTY; without even the implied warranty of -dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -dnl GNU General Public License for more details. -dnl -dnl You should have received a copy of the GNU General Public License -dnl along with this program; if not, write to the Free Software -dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - -dnl Process this file with autoconf to produce a configure script. - -AC_INIT(server.c) - -AC_CANONICAL_SYSTEM -AC_PROG_INSTALL - -. ${srcdir}/../configure.host - -. ${srcdir}/../configure.tgt - -frags= -host_makefile_frag=${srcdir}/../config/${gdb_host_cpu}/${gdb_host}.mh -if test ! -f ${host_makefile_frag}; then - AC_MSG_ERROR("*** GDB remote does not support host ${host}") -fi -frags="$frags $host_makefile_frag" - -target_makefile_frag=${srcdir}/../config/${gdb_target_cpu}/${gdb_target}.mt -if test ! -f ${target_makefile_frag}; then - AC_MSG_ERROR("*** GDB remote does not support target ${target}") -fi -frags="$frags $target_makefile_frag" - -AC_SUBST_FILE(host_makefile_frag) -AC_SUBST_FILE(target_makefile_frag) -AC_SUBST(frags) - -changequote(,)dnl -hostfile=`sed -n ' -s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p -' ${host_makefile_frag}` - -targetfile=`sed -n ' -s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p -' ${target_makefile_frag}` - -if test "${target}" = "${host}"; then -nativefile=`sed -n ' -s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p -' ${host_makefile_frag}` -fi -changequote([,])dnl - -# If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile -# (NAT_FILE) is not set in the ?config/* file, we don't make the -# corresponding links. But we have to remove the xm.h files and tm.h -# files anyway, e.g. when switching from "configure host" to -# "configure none". - -files= -links= -rm -f xm.h -rm -f ser-hardwire.c -if test "${hostfile}" != ""; then - files="${files} ../config/${gdb_host_cpu}/${hostfile}" - links="${links} xm.h" -fi -rm -f tm.h -if test "${targetfile}" != ""; then - files="${files} ../config/${gdb_target_cpu}/${targetfile}" - links="${links} tm.h" -fi -rm -f nm.h -if test "${nativefile}" != ""; then - files="${files} ../config/${gdb_host_cpu}/${nativefile}" - links="${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 -AC_LINK_FILES($files, $links) - -AC_OUTPUT(Makefile) Index: server.c =================================================================== --- server.c (revision 1765) +++ server.c (nonexistent) @@ -1,261 +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., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include "server.h" - -int cont_thread; -int general_thread; -int thread_from_wait; -int old_thread_from_wait; -int extended_protocol; -jmp_buf toplevel; -int inferior_pid; - -static unsigned char -start_inferior (argv, statusptr) - char *argv[]; - char *statusptr; -{ - inferior_pid = create_inferior (argv[0], argv); - fprintf (stderr, "Process %s created; pid = %d\n", argv[0], inferior_pid); - - /* Wait till we are at 1st instruction in program, return signal number. */ - return mywait (statusptr); -} - -extern int remote_debug; - -int -main (argc, argv) - int argc; - char *argv[]; -{ - char ch, status, own_buf[PBUFSIZ], mem_buf[2000]; - int i = 0; - unsigned char signal; - unsigned int len; - CORE_ADDR mem_addr; - - if (setjmp (toplevel)) - { - fprintf (stderr, "Exiting\n"); - exit (1); - } - - if (argc < 3) - error ("Usage: gdbserver tty prog [args ...]"); - - initialize_low (); - - /* Wait till we are at first instruction in program. */ - signal = start_inferior (&argv[2], &status); - - /* We are now stopped at the first instruction of the target process */ - - while (1) - { - remote_open (argv[1]); - - restart: - setjmp (toplevel); - while (getpkt (own_buf) > 0) - { - unsigned char sig; - i = 0; - ch = own_buf[i++]; - switch (ch) - { - case 'd': - remote_debug = !remote_debug; - break; - case '!': - extended_protocol = 1; - prepare_resume_reply (own_buf, status, signal); - break; - case '?': - prepare_resume_reply (own_buf, status, signal); - break; - case 'H': - switch (own_buf[1]) - { - case 'g': - general_thread = strtol (&own_buf[2], NULL, 16); - write_ok (own_buf); - fetch_inferior_registers (0); - break; - case 'c': - cont_thread = strtol (&own_buf[2], NULL, 16); - write_ok (own_buf); - break; - default: - /* Silently ignore it so that gdb can extend the protocol - without compatibility headaches. */ - own_buf[0] = '\0'; - break; - } - 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': - convert_ascii_to_int (own_buf + 1, &sig, 1); - myresume (0, sig); - signal = mywait (&status); - prepare_resume_reply (own_buf, status, signal); - break; - case 'S': - convert_ascii_to_int (own_buf + 1, &sig, 1); - myresume (1, sig); - signal = mywait (&status); - prepare_resume_reply (own_buf, status, signal); - 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 (); - /* When using the extended protocol, we start up a new - debugging session. The traditional protocol will - exit instead. */ - if (extended_protocol) - { - write_ok (own_buf); - fprintf (stderr, "GDBserver restarting\n"); - - /* Wait till we are at 1st instruction in prog. */ - signal = start_inferior (&argv[2], &status); - goto restart; - break; - } - else - { - exit (0); - break; - } - case 'T': - if (mythread_alive (strtol (&own_buf[1], NULL, 16))) - write_ok (own_buf); - else - write_enn (own_buf); - break; - case 'R': - /* Restarting the inferior is only supported in the - extended protocol. */ - if (extended_protocol) - { - kill_inferior (); - write_ok (own_buf); - fprintf (stderr, "GDBserver restarting\n"); - - /* Wait till we are at 1st instruction in prog. */ - signal = start_inferior (&argv[2], &status); - goto restart; - break; - } - else - { - /* It is a request we don't understand. Respond with an - empty packet so that gdb knows that we don't support this - request. */ - own_buf[0] = '\0'; - break; - } - default: - /* It is a request we don't understand. Respond with an - empty packet so that gdb knows that we don't support this - request. */ - own_buf[0] = '\0'; - break; - } - - putpkt (own_buf); - - if (status == 'W') - fprintf (stderr, - "\nChild exited with status %d\n", sig); - if (status == 'X') - fprintf (stderr, "\nChild terminated with signal = 0x%x\n", sig); - if (status == 'W' || status == 'X') - { - if (extended_protocol) - { - fprintf (stderr, "Killing inferior\n"); - kill_inferior (); - write_ok (own_buf); - fprintf (stderr, "GDBserver restarting\n"); - - /* Wait till we are at 1st instruction in prog. */ - signal = start_inferior (&argv[2], &status); - goto restart; - break; - } - else - { - fprintf (stderr, "GDBserver exiting\n"); - exit (0); - } - } - } - - /* We come here when getpkt fails. - - For the extended remote protocol we exit (and this is the only - way we gracefully exit!). - - For the traditional remote protocol close the connection, - and re-open it at the top of the loop. */ - if (extended_protocol) - { - remote_close (); - exit (0); - } - else - { - fprintf (stderr, "Remote side has terminated connection. GDBserver will reopen the connection.\n"); - - remote_close (); - } - } -} Index: low-sparc.c =================================================================== --- low-sparc.c (revision 1765) +++ low-sparc.c (nonexistent) @@ -1,329 +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 -#include "frame.h" -#include "inferior.h" -/*************************** -#include "initialize.h" -****************************/ - -#include -#include -#include -#include -#include -#include -#include -#include - -/***************Begin MY defs*********************/ -int quit_flag = 0; -static char my_registers[REGISTER_BYTES]; -char *registers = my_registers; - -/* Index within `registers' of the first byte of the space for - register N. */ - - -char buf2[MAX_REGISTER_RAW_SIZE]; -/***************End MY defs*********************/ - -#include -#include - -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 *) & registers[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 *) & registers[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_low () -{ -} Index: gdbreplay.c =================================================================== --- gdbreplay.c (revision 1765) +++ gdbreplay.c (nonexistent) @@ -1,337 +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 "config.h" -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -/* 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; -{ -#ifndef STDC_HEADERS - extern int sys_nerr; - extern char *sys_errlist[]; - extern int errno; -#endif - const 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; -{ - 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 \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); -} Index: server.h =================================================================== --- server.h (revision 1765) +++ server.h (nonexistent) @@ -1,85 +0,0 @@ -/* Common definitions for remote server for GDB. - Copyright (C) 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 - -/* Target-specific functions */ - -int create_inferior PARAMS ((char *program, char **allargs)); -void kill_inferior PARAMS ((void)); -void fetch_inferior_registers PARAMS ((int regno)); -void store_inferior_registers PARAMS ((int regno)); -int mythread_alive PARAMS ((int pid)); -void myresume PARAMS ((int step, int signo)); -unsigned char mywait PARAMS ((char *status)); -void read_inferior_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len)); -int write_inferior_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len)); -int create_inferior (); -void initialize_low (); - -/* Target-specific variables */ - -extern char *registers; - -/* Public variables in server.c */ - -extern int cont_thread; -extern int general_thread; -extern int thread_from_wait; -extern int old_thread_from_wait; - -extern jmp_buf toplevel; -extern int inferior_pid; - -/* Functions from remote-utils.c */ - -int putpkt PARAMS ((char *buf)); -int getpkt PARAMS ((char *buf)); -void remote_open PARAMS ((char *name)); -void remote_close PARAMS ((void)); -void write_ok PARAMS ((char *buf)); -void write_enn PARAMS ((char *buf)); -void enable_async_io PARAMS ((void)); -void disable_async_io PARAMS ((void)); -void convert_ascii_to_int PARAMS ((char *from, char *to, int n)); -void convert_int_to_ascii PARAMS ((char *from, char *to, int n)); -void prepare_resume_reply PARAMS ((char *buf, char status, unsigned char sig)); - -void decode_m_packet PARAMS ((char *from, CORE_ADDR * mem_addr_ptr, - unsigned int *len_ptr)); -void decode_M_packet PARAMS ((char *from, CORE_ADDR * mem_addr_ptr, - unsigned int *len_ptr, char *to)); - - -/* Functions from utils.c */ - -void perror_with_name PARAMS ((char *string)); - - -/* Maximum number of bytes to read/write at once. The value here - is chosen to fill up a packet (the headers account for the 32). */ -#define MAXBUFBYTES(N) (((N)-32)/2) - -/* Buffer sizes for transferring memory, registers, etc. Round up PBUFSIZ to - hold all the registers, at least. */ -#define PBUFSIZ ((REGISTER_BYTES > MAXBUFBYTES (2000)) \ - ? (REGISTER_BYTES * 2 + 32) \ - : 2000) Index: README =================================================================== --- README (revision 1765) +++ README (nonexistent) @@ -1,127 +0,0 @@ - README for GDBserver & GDBreplay - by Stu Grossman and Fred Fish - -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: - -Configuring gdbserver you should specify the same machine for host and -target (which are the machine that gdbserver is going to run on. This -is not the same as the machine that gdb is going to run on; building -gdbserver automatically as part of building a whole tree of tools does -not currently work if cross-compilation is involved (we don't get the -right CC in the Makefile, to start with)). - -gdbserver should work on sparc-sun-sunos4* or Lynx. The following -instructions pertain to 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 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... - -Using GDBreplay: - -A special hacked down version of gdbserver can be used to replay remote -debug log files created by gdb. Before using the gdb "target" command to -initiate a remote debug session, use "set remotelogfile " to tell -gdb that you want to make a recording of the serial or tcp session. Note -that when replaying the session, gdb communicates with gdbreplay via tcp, -regardless of whether the original session was via a serial link or tcp. - -Once you are done with the remote debug session, start gdbreplay and -tell it the name of the log file and the host and port number that gdb -should connect to (typically the same as the host running gdb): - - $ gdbreplay logfile host:port - -Then start gdb (preferably in a different screen or window) and use the -"target" command to connect to gdbreplay: - - (gdb) target remote host:port - -Repeat the same sequence of user commands to gdb that you gave in the -original debug session. Gdb should not be able to tell that it is talking -to gdbreplay rather than a real target, all other things being equal. Note -that gdbreplay echos the command lines to stderr, as well as the contents of -the packets it sends and receives. The last command echoed by gdbreplay is -the next command that needs to be typed to gdb to continue the session in -sync with the original session. Index: low-hppabsd.c =================================================================== --- low-hppabsd.c (revision 1765) +++ low-hppabsd.c (nonexistent) @@ -1,374 +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 -#include "frame.h" -#include "inferior.h" - -#include -#include -#include -#include -#include -#include -#include -#include - -/***************Begin MY defs*********************/ -int quit_flag = 0; -static char my_registers[REGISTER_BYTES]; -char *registers = my_registers; - -/* Index within `registers' of the first byte of the space for - register N. */ - - -char buf2[MAX_REGISTER_RAW_SIZE]; -/***************End MY defs*********************/ - -#include -#include - -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_low () -{ -} Index: low-nbsd.c =================================================================== --- low-nbsd.c (revision 1765) +++ low-nbsd.c (nonexistent) @@ -1,320 +0,0 @@ -/* Low level interface to ptrace, for the remote server for GDB. - Copyright (C) 1986, 1987, 1993, 2000 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 -#include -#include "frame.h" -#include "inferior.h" - -#include -#include - -/***************Begin MY defs*********************/ -int quit_flag = 0; -static char my_registers[REGISTER_BYTES]; -char *registers = my_registers; - -/* Index within `registers' of the first byte of the space for - register N. */ - -char buf2[MAX_REGISTER_RAW_SIZE]; -/***************End MY defs*********************/ - -#include -#include - -extern int sys_nerr; -// extern char **sys_errlist; -extern char **environ; -extern int inferior_pid; -void quit (), perror_with_name (); - -#ifdef TM_I386_H -/* i386_register_raw_size[i] is the number of bytes of storage in the - actual machine representation for register i. */ -int i386_register_raw_size[MAX_NUM_REGS] = { - 4, 4, 4, 4, - 4, 4, 4, 4, - 4, 4, 4, 4, - 4, 4, 4, 4, - 10, 10, 10, 10, - 10, 10, 10, 10, - 4, 4, 4, 4, - 4, 4, 4, 4, - 16, 16, 16, 16, - 16, 16, 16, 16, - 4 -}; - -int i386_register_byte[MAX_NUM_REGS]; - -static void -initialize_arch() -{ - /* Initialize the table saying where each register starts in the - register file. */ - { - int i, offset; - - offset = 0; - for (i = 0; i < MAX_NUM_REGS; i++) - { - i386_register_byte[i] = offset; - offset += i386_register_raw_size[i]; - } - } -} - -#endif - - -/* 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); - - 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 (PT_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; - int 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, - (PTRACE_ARG3_TYPE) 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 reg inferior_registers; - struct fpreg inferior_fp_registers; - - ptrace (PT_GETREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_registers, 0); - memcpy (®isters[REGISTER_BYTE(0)], &inferior_registers, - sizeof(inferior_registers)); - -#if 0 /* def FP0_REGNUM */ - ptrace (PT_GETFPREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_fp_registers, 0); - memcpy (®isters[REGISTER_BYTE(FP0_REGNUM)], &inferior_fp_registers, - sizeof(inferior_fp_registers)); -#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 reg inferior_registers; - struct fpreg inferior_fp_registers; - - memcpy (&inferior_registers, ®isters[REGISTER_BYTE(0)], - sizeof(inferior_registers)); - ptrace (PT_SETREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_registers, 0); - -#if 0 /* def FP0_REGNUM */ - memcpy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)], - sizeof (inferior_fp_registers)); - ptrace (PT_SETFPREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_fp_registers, 0); -#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 (PT_READ_D, inferior_pid, (PTRACE_ARG3_TYPE) 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 (PT_READ_D, inferior_pid, (PTRACE_ARG3_TYPE) addr, 0); - - if (count > 1) - { - buffer[count - 1] - = ptrace (PT_READ_D, inferior_pid, - (PTRACE_ARG3_TYPE) 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 (PT_WRITE_D, inferior_pid, (PTRACE_ARG3_TYPE) addr, buffer[i]); - if (errno) - return errno; - } - - return 0; -} - -void -initialize_low () -{ - initialize_arch (); -} Index: low-sun3.c =================================================================== --- low-sun3.c (revision 1765) +++ low-sun3.c (nonexistent) @@ -1,308 +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 "" -#include "frame.h" -#include "inferior.h" - -#include -#include -#include -#include -#include -#include -#include -#include - -/***************Begin MY defs*********************/ -int quit_flag = 0; -static char my_registers[REGISTER_BYTES]; -char *registers = my_registers; - -/* Index within `registers' of the first byte of the space for - register N. */ - - -char buf2[MAX_REGISTER_RAW_SIZE]; -/***************End MY defs*********************/ - -#include -#include - -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_low () -{ -} Index: low-sim.c =================================================================== --- low-sim.c (revision 1765) +++ low-sim.c (nonexistent) @@ -1,282 +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 */ - -static char my_registers[REGISTER_BYTES] __attribute__ ((aligned)); -char * registers = my_registers; - -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; -} - -void -initialize_low () -{ -} Index: remote-utils.c =================================================================== --- remote-utils.c (revision 1765) +++ remote-utils.c (nonexistent) @@ -1,562 +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 -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -int remote_debug = 0; - -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[PBUFSIZ]; - 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; -{ - int regsize = REGISTER_RAW_SIZE (regno); - - if ((regno >> 12) != 0) - *buf++ = tohex ((regno >> 12) & 0xf); - if ((regno >> 8) != 0) - *buf++ = tohex ((regno >> 8) & 0xf); - *buf++ = tohex ((regno >> 4) & 0xf); - *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') - { -#ifdef GDBSERVER_RESUME_REGS - static int gdbserver_resume_regs[] = GDBSERVER_RESUME_REGS ; - int i; - for (i = 0; - i < sizeof (gdbserver_resume_regs) - / sizeof (gdbserver_resume_regs[0]); - i++) - { - int regnum = gdbserver_resume_regs[i]; - buf = outreg (regnum, buf); - } -#else /* !defined(GDBSERVER_RESUME_REGS) */ - 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 -#endif /* GDBSERVER_RESUME_REGS */ - - /* 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); -} Index: low-lynx.c =================================================================== --- low-lynx.c (revision 1765) +++ low-lynx.c (nonexistent) @@ -1,753 +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 -#include -#include -#define LYNXOS -#include -#include -#include -#include -#ifndef __LYNXOS -#define __LYNXOS -#endif -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -static char my_registers[REGISTER_BYTES]; -char *registers = my_registers; - -#include - -/* 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; -} - -void -initialize_low () -{ -}