sim/common/acinclude.m4

   1 # This file contains common code used by all simulators.
   2 #
   3 # SIM_AC_COMMON invokes AC macros used by all simulators and by the common
   4 # directory.  It is intended to be invoked before any target specific stuff.
   5 # SIM_AC_OUTPUT is a cover function to AC_OUTPUT to generate the Makefile.
   6 # It is intended to be invoked last.
   7 #
   8 # The simulator's configure.ac should look like:
   9 #
  10 # dnl Process this file with autoconf to produce a configure script.
  11 # AC_PREREQ(2.64)dnl
  12 # AC_INIT(Makefile.in)
  13 # sinclude(../common/aclocal.m4)
  14 #
  15 # SIM_AC_COMMON
  16 #
  17 # ... target specific stuff ...
  18 #
  19 # SIM_AC_OUTPUT
  20
  21 # Include global overrides and fixes for Autoconf.
  22 m4_include(../../config/override.m4)
  23 sinclude([../../config/zlib.m4])
  24 m4_include([../../config/plugins.m4])
  25 m4_include([../../libtool.m4])
  26 m4_include([../../ltoptions.m4])
  27 m4_include([../../ltsugar.m4])
  28 m4_include([../../ltversion.m4])
  29 m4_include([../../lt~obsolete.m4])
  30 sinclude([../../config/depstand.m4])
  31
  32 AC_DEFUN([SIM_AC_COMMON],
  33 [
  34 AC_REQUIRE([AC_PROG_CC])
  35 # autoconf.info says this should be called right after AC_INIT.
  36 AC_CONFIG_HEADER(ifelse([$1],,config.h,[$1]):config.in)
  37 AC_CANONICAL_SYSTEM
  38 AC_USE_SYSTEM_EXTENSIONS
  39 AC_C_BIGENDIAN
  40 AC_ARG_PROGRAM
  41 AC_PROG_INSTALL
  42
  43 # Put a plausible default for CC_FOR_BUILD in Makefile.
  44 if test "x$cross_compiling" = "xno"; then
  45   CC_FOR_BUILD='$(CC)'
  46 else
  47   CC_FOR_BUILD=gcc
  48 fi
  49 AC_SUBST(CC_FOR_BUILD)
  50
  51 AC_SUBST(CFLAGS)
  52 AC_SUBST(HDEFINES)
  53 AR=${AR-ar}
  54 AC_SUBST(AR)
  55 AC_PROG_RANLIB
  56
  57 # Some of the common include files depend on bfd.h, and bfd.h checks
  58 # that config.h is included first by testing that the PACKAGE macro
  59 # is defined.
  60 PACKAGE=sim
  61 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
  62 AC_SUBST(PACKAGE)
  63
  64 # Dependency checking.
  65 ZW_CREATE_DEPDIR
  66 ZW_PROG_COMPILER_DEPENDENCIES([CC])
  67
  68 # Check for the 'make' the user wants to use.
  69 AC_CHECK_PROGS(MAKE, make)
  70 MAKE_IS_GNU=
  71 case "`$MAKE --version 2>&1 | sed 1q`" in
  72   *GNU*)
  73     MAKE_IS_GNU=yes
  74     ;;
  75 esac
  76 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
  77
  78 dnl We don't use gettext, but bfd does.  So we do the appropriate checks
  79 dnl to see if there are intl libraries we should link against.
  80 ALL_LINGUAS=
  81 ZW_GNU_GETTEXT_SISTER_DIR(../../intl)
  82
  83 # Check for common headers.
  84 # FIXME: Seems to me this can cause problems for i386-windows hosts.
  85 # At one point there were hardcoded AC_DEFINE's if ${host} = i386-*-windows*.
  86 AC_CHECK_HEADERS(stdlib.h string.h strings.h unistd.h time.h)
  87 AC_CHECK_HEADERS(sys/time.h sys/times.h sys/resource.h sys/mman.h)
  88 AC_CHECK_HEADERS(fcntl.h fpu_control.h)
  89 AC_CHECK_HEADERS(dlfcn.h errno.h sys/stat.h)
  90 AC_CHECK_FUNCS(getrusage time sigaction __setfpucw)
  91 AC_CHECK_FUNCS(mmap munmap lstat truncate ftruncate posix_fallocate)
  92 AC_CHECK_MEMBERS([[struct stat.st_dev], [struct stat.st_ino],
  93 [struct stat.st_mode], [struct stat.st_nlink], [struct stat.st_uid],
  94 [struct stat.st_gid], [struct stat.st_rdev], [struct stat.st_size],
  95 [struct stat.st_blksize], [struct stat.st_blocks], [struct stat.st_atime],
  96 [struct stat.st_mtime], [struct stat.st_ctime]], [], [],
  97 [[#ifdef HAVE_SYS_TYPES_H
  98 #include <sys/types.h>
  99 #endif
 100 #ifdef HAVE_SYS_STAT_H
 101 #include <sys/stat.h>
 102 #endif]])
 103 AC_CHECK_TYPES(socklen_t, [], [],
 104 [#include <sys/types.h>
 105 #include <sys/socket.h>
 106 ])
 107
 108 # Check for socket libraries
 109 AC_CHECK_LIB(socket, bind)
 110 AC_CHECK_LIB(nsl, gethostbyname)
 111
 112 # BFD conditionally uses zlib, so we must link it in if libbfd does, by
 113 # using the same condition.
 114 AM_ZLIB
 115
 116 # BFD uses libdl when when plugins enabled.
 117 AC_PLUGINS
 118 AM_CONDITIONAL(PLUGINS, test "$plugins" = yes)
 119 LT_INIT([dlopen])
 120 AC_SUBST(lt_cv_dlopen_libs)
 121
 122 . ${srcdir}/../../bfd/configure.host
 123
 124 dnl Standard (and optional) simulator options.
 125 dnl Eventually all simulators will support these.
 126 dnl Do not add any here that cannot be supported by all simulators.
 127 dnl Do not add similar but different options to a particular simulator,
 128 dnl all shall eventually behave the same way.
 129
 130
 131 dnl We don't use automake, but we still want to support
 132 dnl --enable-maintainer-mode.
 133 AM_MAINTAINER_MODE
 134
 135
 136 dnl --enable-sim-debug is for developers of the simulator
 137 dnl the allowable values are work-in-progress
 138 AC_ARG_ENABLE(sim-debug,
 139 [AS_HELP_STRING([--enable-sim-debug=opts],
 140                 [Enable debugging flags (for developers of the sim itself)])],
 141 [case "${enableval}" in
 142   yes) sim_debug="-DDEBUG=7 -DWITH_DEBUG=7";;
 143   no)  sim_debug="-DDEBUG=0 -DWITH_DEBUG=0";;
 144   *)   sim_debug="-DDEBUG='(${enableval})' -DWITH_DEBUG='(${enableval})'";;
 145 esac
 146 if test x"$silent" != x"yes" && test x"$sim_debug" != x""; then
 147   echo "Setting sim debug = $sim_debug" 6>&1
 148 fi],[sim_debug=""])dnl
 149 AC_SUBST(sim_debug)
 150
 151
 152 dnl --enable-sim-stdio is for users of the simulator
 153 dnl It determines if IO from the program is routed through STDIO (buffered)
 154 AC_ARG_ENABLE(sim-stdio,
 155 [AS_HELP_STRING([--enable-sim-stdio],
 156                 [Specify whether to use stdio for console input/output])],
 157 [case "${enableval}" in
 158   yes)  sim_stdio="-DWITH_STDIO=DO_USE_STDIO";;
 159   no)   sim_stdio="-DWITH_STDIO=DONT_USE_STDIO";;
 160   *)    AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-stdio"); sim_stdio="";;
 161 esac
 162 if test x"$silent" != x"yes" && test x"$sim_stdio" != x""; then
 163   echo "Setting stdio flags = $sim_stdio" 6>&1
 164 fi],[sim_stdio=""])dnl
 165 AC_SUBST(sim_stdio)
 166
 167
 168 dnl --enable-sim-trace is for users of the simulator
 169 dnl The argument is either a bitmask of things to enable [exactly what is
 170 dnl up to the simulator], or is a comma separated list of names of tracing
 171 dnl elements to enable.  The latter is only supported on simulators that
 172 dnl use WITH_TRACE.
 173 AC_ARG_ENABLE(sim-trace,
 174 [AS_HELP_STRING([--enable-sim-trace=opts],
 175                 [Enable tracing of simulated programs])],
 176 [case "${enableval}" in
 177   yes)  sim_trace="-DWITH_TRACE=-1";;
 178   no)   sim_trace="-DWITH_TRACE=0";;
 179   [[-0-9]]*)
 180         sim_trace="-DWITH_TRACE='(${enableval})'";;
 181   [[[:lower:]]]*)
 182         sim_trace=""
 183         for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
 184           if test x"$sim_trace" = x; then
 185             sim_trace="-DWITH_TRACE='(TRACE_$x"
 186           else
 187             sim_trace="${sim_trace}|TRACE_$x"
 188           fi
 189         done
 190         sim_trace="$sim_trace)'" ;;
 191 esac
 192 if test x"$silent" != x"yes" && test x"$sim_trace" != x""; then
 193   echo "Setting sim trace = $sim_trace" 6>&1
 194 fi],[sim_trace=""])dnl
 195 AC_SUBST(sim_trace)
 196
 197
 198 dnl --enable-sim-profile
 199 dnl The argument is either a bitmask of things to enable [exactly what is
 200 dnl up to the simulator], or is a comma separated list of names of profiling
 201 dnl elements to enable.  The latter is only supported on simulators that
 202 dnl use WITH_PROFILE.
 203 AC_ARG_ENABLE(sim-profile,
 204 [AS_HELP_STRING([--enable-sim-profile=opts], [Enable profiling flags])],
 205 [case "${enableval}" in
 206   yes)  sim_profile="-DPROFILE=1 -DWITH_PROFILE=-1";;
 207   no)   sim_profile="-DPROFILE=0 -DWITH_PROFILE=0";;
 208   [[-0-9]]*)
 209         sim_profile="-DPROFILE='(${enableval})' -DWITH_PROFILE='(${enableval})'";;
 210   [[a-z]]*)
 211         sim_profile=""
 212         for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
 213           if test x"$sim_profile" = x; then
 214             sim_profile="-DWITH_PROFILE='(PROFILE_$x"
 215           else
 216             sim_profile="${sim_profile}|PROFILE_$x"
 217           fi
 218         done
 219         sim_profile="$sim_profile)'" ;;
 220 esac
 221 if test x"$silent" != x"yes" && test x"$sim_profile" != x""; then
 222   echo "Setting sim profile = $sim_profile" 6>&1
 223 fi],[sim_profile="-DPROFILE=1 -DWITH_PROFILE=-1"])dnl
 224 AC_SUBST(sim_profile)
 225
 226 SIM_AC_OPTION_ASSERT
 227 SIM_AC_OPTION_ENVIRONMENT
 228 SIM_AC_OPTION_INLINE
 229
 230 ACX_PKGVERSION([SIM])
 231 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
 232 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
 233 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
 234
 235 dnl Types used by common code
 236 AC_TYPE_SIGNAL
 237
 238 dnl Detect exe extension
 239 AC_EXEEXT
 240
 241 ]) dnl End of SIM_AC_COMMON
 242
 243
 244 dnl Additional SIM options that can (optionally) be configured
 245 dnl For optional simulator options, a macro SIM_AC_OPTION_* is defined.
 246 dnl Simulators that wish to use the relevant option specify the macro
 247 dnl in the simulator specific configure.ac file between the SIM_AC_COMMON
 248 dnl and SIM_AC_OUTPUT lines.
 249
 250
 251 dnl Specify the running environment.
 252 dnl If the simulator invokes this in its configure.ac then without this option
 253 dnl the default is the user environment and all are runtime selectable.
 254 dnl If the simulator doesn't invoke this, only the user environment is
 255 dnl supported.
 256 dnl ??? Until there is demonstrable value in doing something more complicated,
 257 dnl let's not.
 258 AC_DEFUN([SIM_AC_OPTION_ENVIRONMENT],
 259 [
 260 AC_ARG_ENABLE(sim-environment,
 261 [AS_HELP_STRING([--enable-sim-environment=environment],
 262                 [Specify mixed, user, virtual or operating environment])],
 263 [case "${enableval}" in
 264   all | ALL)             sim_environment="-DWITH_ENVIRONMENT=ALL_ENVIRONMENT";;
 265   user | USER)           sim_environment="-DWITH_ENVIRONMENT=USER_ENVIRONMENT";;
 266   virtual | VIRTUAL)     sim_environment="-DWITH_ENVIRONMENT=VIRTUAL_ENVIRONMENT";;
 267   operating | OPERATING) sim_environment="-DWITH_ENVIRONMENT=OPERATING_ENVIRONMENT";;
 268   *)   AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-environment");
 269        sim_environment="";;
 270 esac
 271 if test x"$silent" != x"yes" && test x"$sim_environment" != x""; then
 272   echo "Setting sim environment = $sim_environment" 6>&1
 273 fi],
 274 [sim_environment="-DWITH_ENVIRONMENT=ALL_ENVIRONMENT"])dnl
 275 ])
 276 AC_SUBST(sim_environment)
 277
 278
 279 dnl Specify the alignment restrictions of the target architecture.
 280 dnl Without this option all possible alignment restrictions are accommodated.
 281 dnl arg[1] is hardwired target alignment
 282 dnl arg[2] is default target alignment
 283 AC_DEFUN([SIM_AC_OPTION_ALIGNMENT],
 284 wire_alignment="[$1]"
 285 default_alignment="[$2]"
 286 [
 287 AC_ARG_ENABLE(sim-alignment,
 288 [AS_HELP_STRING([--enable-sim-alignment=align],
 289                 [Specify strict, nonstrict or forced alignment of memory accesses])],
 290 [case "${enableval}" in
 291   strict | STRICT)       sim_alignment="-DWITH_ALIGNMENT=STRICT_ALIGNMENT";;
 292   nonstrict | NONSTRICT) sim_alignment="-DWITH_ALIGNMENT=NONSTRICT_ALIGNMENT";;
 293   forced | FORCED)       sim_alignment="-DWITH_ALIGNMENT=FORCED_ALIGNMENT";;
 294   yes) if test x"$wire_alignment" != x; then
 295          sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
 296        else
 297          if test x"$default_alignment" != x; then
 298            sim_alignment="-DWITH_ALIGNMENT=${default_alignment}"
 299          else
 300            echo "No hard-wired alignment for target $target" 1>&6
 301            sim_alignment="-DWITH_ALIGNMENT=0"
 302          fi
 303        fi;;
 304   no)  if test x"$default_alignment" != x; then
 305          sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
 306        else
 307          if test x"$wire_alignment" != x; then
 308            sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${wire_alignment}"
 309          else
 310            echo "No default alignment for target $target" 1>&6
 311            sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0"
 312          fi
 313        fi;;
 314   *)   AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-alignment"); sim_alignment="";;
 315 esac
 316 if test x"$silent" != x"yes" && test x"$sim_alignment" != x""; then
 317   echo "Setting alignment flags = $sim_alignment" 6>&1
 318 fi],
 319 [if test x"$default_alignment" != x; then
 320   sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
 321 else
 322   if test x"$wire_alignment" != x; then
 323     sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
 324   else
 325     sim_alignment=
 326   fi
 327 fi])dnl
 328 ])dnl
 329 AC_SUBST(sim_alignment)
 330
 331
 332 dnl Conditionally compile in assertion statements.
 333 AC_DEFUN([SIM_AC_OPTION_ASSERT],
 334 [
 335 AC_ARG_ENABLE(sim-assert,
 336 [AS_HELP_STRING([--enable-sim-assert],
 337                 [Specify whether to perform random assertions])],
 338 [case "${enableval}" in
 339   yes)  sim_assert="-DWITH_ASSERT=1";;
 340   no)   sim_assert="-DWITH_ASSERT=0";;
 341   *)    AC_MSG_ERROR("--enable-sim-assert does not take a value"); sim_assert="";;
 342 esac
 343 if test x"$silent" != x"yes" && test x"$sim_assert" != x""; then
 344   echo "Setting assert flags = $sim_assert" 6>&1
 345 fi],[sim_assert=""])dnl
 346 ])
 347 AC_SUBST(sim_assert)
 348
 349
 350
 351 dnl --enable-sim-bitsize is for developers of the simulator
 352 dnl It specifies the number of BITS in the target.
 353 dnl arg[1] is the number of bits in a word
 354 dnl arg[2] is the number assigned to the most significant bit
 355 dnl arg[3] is the number of bits in an address
 356 dnl arg[4] is the number of bits in an OpenFirmware cell.
 357 dnl FIXME: this information should be obtained from bfd/archure
 358 AC_DEFUN([SIM_AC_OPTION_BITSIZE],
 359 wire_word_bitsize="[$1]"
 360 wire_word_msb="[$2]"
 361 wire_address_bitsize="[$3]"
 362 wire_cell_bitsize="[$4]"
 363 [AC_ARG_ENABLE(sim-bitsize,
 364 [AS_HELP_STRING([--enable-sim-bitsize=N], [Specify target bitsize (32 or 64)])],
 365 [sim_bitsize=
 366 case "${enableval}" in
 367   64,63 | 64,63,* ) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=64 -DWITH_TARGET_WORD_MSB=63";;
 368   32,31 | 32,31,* ) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=31";;
 369   64,0 | 64,0,* ) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=0";;
 370   32,0 | 64,0,* ) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=0";;
 371   32) if test x"$wire_word_msb" != x -a x"$wire_word_msb" != x0; then
 372         sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=31"
 373       else
 374         sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=0"
 375       fi ;;
 376   64) if test x"$wire_word_msb" != x -a x"$wire_word_msb" != x0; then
 377         sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=64 -DWITH_TARGET_WORD_MSB=63"
 378       else
 379         sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=64 -DWITH_TARGET_WORD_MSB=0"
 380       fi ;;
 381   *)  AC_MSG_ERROR("--enable-sim-bitsize was given $enableval.  Expected 32 or 64") ;;
 382 esac
 383 # address bitsize
 384 tmp=`echo "${enableval}" | sed -e "s/^[[0-9]]*,*[[0-9]]*,*//"`
 385 case x"${tmp}" in
 386   x ) ;;
 387   x32 | x32,* ) sim_bitsize="${sim_bitsize} -DWITH_TARGET_ADDRESS_BITSIZE=32" ;;
 388   x64 | x64,* ) sim_bitsize="${sim_bitsize} -DWITH_TARGET_ADDRESS_BITSIZE=64" ;;
 389   * ) AC_MSG_ERROR("--enable-sim-bitsize was given address size $enableval.  Expected 32 or 64") ;;
 390 esac
 391 # cell bitsize
 392 tmp=`echo "${enableval}" | sed -e "s/^[[0-9]]*,*[[0-9*]]*,*[[0-9]]*,*//"`
 393 case x"${tmp}" in
 394   x ) ;;
 395   x32 | x32,* ) sim_bitsize="${sim_bitsize} -DWITH_TARGET_CELL_BITSIZE=32" ;;
 396   x64 | x64,* ) sim_bitsize="${sim_bitsize} -DWITH_TARGET_CELL_BITSIZE=64" ;;
 397   * ) AC_MSG_ERROR("--enable-sim-bitsize was given cell size $enableval.  Expected 32 or 64") ;;
 398 esac
 399 if test x"$silent" != x"yes" && test x"$sim_bitsize" != x""; then
 400   echo "Setting bitsize flags = $sim_bitsize" 6>&1
 401 fi],
 402 [sim_bitsize=""
 403 if test x"$wire_word_bitsize" != x; then
 404   sim_bitsize="$sim_bitsize -DWITH_TARGET_WORD_BITSIZE=$wire_word_bitsize"
 405 fi
 406 if test x"$wire_word_msb" != x; then
 407   sim_bitsize="$sim_bitsize -DWITH_TARGET_WORD_MSB=$wire_word_msb"
 408 fi
 409 if test x"$wire_address_bitsize" != x; then
 410   sim_bitsize="$sim_bitsize -DWITH_TARGET_ADDRESS_BITSIZE=$wire_address_bitsize"
 411 fi
 412 if test x"$wire_cell_bitsize" != x; then
 413   sim_bitsize="$sim_bitsize -DWITH_TARGET_CELL_BITSIZE=$wire_cell_bitsize"
 414 fi])dnl
 415 ])
 416 AC_SUBST(sim_bitsize)
 417
 418
 419
 420 dnl --enable-sim-endian={yes,no,big,little} is for simulators
 421 dnl that support both big and little endian targets.
 422 dnl arg[1] is hardwired target endianness.
 423 dnl arg[2] is default target endianness.
 424 AC_DEFUN([SIM_AC_OPTION_ENDIAN],
 425 [
 426 wire_endian="[$1]"
 427 default_endian="[$2]"
 428 AC_ARG_ENABLE(sim-endian,
 429 [AS_HELP_STRING([--enable-sim-endian=endian],
 430                 [Specify target byte endian orientation])],
 431 [case "${enableval}" in
 432   b*|B*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_BIG";;
 433   l*|L*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_LITTLE";;
 434   yes)   if test x"$wire_endian" != x; then
 435            sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_${wire_endian}"
 436          else
 437           if test x"$default_endian" != x; then
 438              sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_${default_endian}"
 439            else
 440              echo "No hard-wired endian for target $target" 1>&6
 441              sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_UNKNOWN"
 442            fi
 443          fi;;
 444   no)    if test x"$default_endian" != x; then
 445            sim_endian="-DWITH_DEFAULT_TARGET_BYTE_ORDER=BFD_ENDIAN_${default_endian}"
 446          else
 447            if test x"$wire_endian" != x; then
 448              sim_endian="-DWITH_DEFAULT_TARGET_BYTE_ORDER=BFD_ENDIAN_${wire_endian}"
 449            else
 450              echo "No default endian for target $target" 1>&6
 451              sim_endian="-DWITH_DEFAULT_TARGET_BYTE_ORDER=BFD_ENDIAN_UNKNOWN"
 452            fi
 453          fi;;
 454   *)     AC_MSG_ERROR("Unknown value $enableval for --enable-sim-endian"); sim_endian="";;
 455 esac
 456 if test x"$silent" != x"yes" && test x"$sim_endian" != x""; then
 457   echo "Setting endian flags = $sim_endian" 6>&1
 458 fi],
 459 [if test x"$default_endian" != x; then
 460   sim_endian="-DWITH_DEFAULT_TARGET_BYTE_ORDER=BFD_ENDIAN_${default_endian}"
 461 else
 462   if test x"$wire_endian" != x; then
 463     sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_${wire_endian}"
 464   else
 465     sim_endian=
 466   fi
 467 fi])dnl
 468 ])
 469 AC_SUBST(sim_endian)
 470
 471
 472 dnl --enable-sim-float is for developers of the simulator
 473 dnl It specifies the presence of hardware floating point
 474 dnl And optionally the bitsize of the floating point register.
 475 dnl arg[1] specifies the presence (or absence) of floating point hardware
 476 dnl arg[2] specifies the number of bits in a floating point register
 477 AC_DEFUN([SIM_AC_OPTION_FLOAT],
 478 [
 479 default_sim_float="[$1]"
 480 default_sim_float_bitsize="[$2]"
 481 AC_ARG_ENABLE(sim-float,
 482 [AS_HELP_STRING([--enable-sim-float],
 483                 [Specify that the target processor has floating point hardware])],
 484 [case "${enableval}" in
 485   yes | hard)   sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT";;
 486   no | soft)    sim_float="-DWITH_FLOATING_POINT=SOFT_FLOATING_POINT";;
 487   32)           sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT -DWITH_TARGET_FLOATING_POINT_BITSIZE=32";;
 488   64)           sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT -DWITH_TARGET_FLOATING_POINT_BITSIZE=64";;
 489   *)            AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-float"); sim_float="";;
 490 esac
 491 if test x"$silent" != x"yes" && test x"$sim_float" != x""; then
 492   echo "Setting float flags = $sim_float" 6>&1
 493 fi],[
 494 sim_float=
 495 if test x"${default_sim_float}" != x""; then
 496   sim_float="-DWITH_FLOATING_POINT=${default_sim_float}"
 497 fi
 498 if test x"${default_sim_float_bitsize}" != x""; then
 499   sim_float="$sim_float -DWITH_TARGET_FLOATING_POINT_BITSIZE=${default_sim_float_bitsize}"
 500 fi
 501 ])dnl
 502 ])
 503 AC_SUBST(sim_float)
 504
 505
 506 dnl The argument is the default cache size if none is specified.
 507 AC_DEFUN([SIM_AC_OPTION_SCACHE],
 508 [
 509 default_sim_scache="ifelse([$1],,0,[$1])"
 510 AC_ARG_ENABLE(sim-scache,
 511 [AS_HELP_STRING([--enable-sim-scache=size],
 512                 [Specify simulator execution cache size])],
 513 [case "${enableval}" in
 514   yes)  sim_scache="-DWITH_SCACHE=${default_sim_scache}";;
 515   no)   sim_scache="-DWITH_SCACHE=0" ;;
 516   [[0-9]]*) sim_scache="-DWITH_SCACHE=${enableval}";;
 517   *)    AC_MSG_ERROR("Bad value $enableval passed to --enable-sim-scache");
 518         sim_scache="";;
 519 esac
 520 if test x"$silent" != x"yes" && test x"$sim_scache" != x""; then
 521   echo "Setting scache size = $sim_scache" 6>&1
 522 fi],[sim_scache="-DWITH_SCACHE=${default_sim_scache}"])
 523 ])
 524 AC_SUBST(sim_scache)
 525
 526
 527 dnl The argument is the default model if none is specified.
 528 AC_DEFUN([SIM_AC_OPTION_DEFAULT_MODEL],
 529 [
 530 default_sim_default_model="ifelse([$1],,0,[$1])"
 531 AC_ARG_ENABLE(sim-default-model,
 532 [AS_HELP_STRING([--enable-sim-default-model=model],
 533                 [Specify default model to simulate])],
 534 [case "${enableval}" in
 535   yes|no) AC_MSG_ERROR("Missing argument to --enable-sim-default-model");;
 536   *)    sim_default_model="-DWITH_DEFAULT_MODEL='\"${enableval}\"'";;
 537 esac
 538 if test x"$silent" != x"yes" && test x"$sim_default_model" != x""; then
 539   echo "Setting default model = $sim_default_model" 6>&1
 540 fi],[sim_default_model="-DWITH_DEFAULT_MODEL='\"${default_sim_default_model}\"'"])
 541 ])
 542 AC_SUBST(sim_default_model)
 543
 544
 545 dnl --enable-sim-hardware is for users of the simulator
 546 dnl arg[1] Enable sim-hw by default? ("yes" or "no")
 547 dnl arg[2] is a space separated list of devices that override the defaults
 548 dnl arg[3] is a space separated list of extra target specific devices.
 549 AC_DEFUN([SIM_AC_OPTION_HARDWARE],
 550 [
 551 if test "[$2]"; then
 552   hardware="[$2]"
 553 else
 554   hardware="cfi core pal glue"
 555 fi
 556 hardware="$hardware [$3]"
 557
 558 sim_hw_cflags="-DWITH_HW=1"
 559 sim_hw="$hardware"
 560 sim_hw_objs="\$(SIM_COMMON_HW_OBJS) `echo $sim_hw | sed -e 's/\([[^ ]][[^ ]]*\)/dv-\1.o/g'`"
 561
 562 AC_ARG_ENABLE(sim-hardware,
 563   [AS_HELP_STRING([--enable-sim-hardware=LIST],
 564                   [Specify the hardware to be included in the build.])],
 565   ,[enable_sim_hardware="[$1]"])
 566 case ${enable_sim_hardware} in
 567   yes|no) ;;
 568   ,*) hardware="${hardware} `echo ${enableval} | sed -e 's/,/ /'`";;
 569   *,) hardware="`echo ${enableval} | sed -e 's/,/ /'` ${hardware}";;
 570   *)  hardware="`echo ${enableval} | sed -e 's/,/ /'`"'';;
 571 esac
 572
 573 if test "$enable_sim_hardware" = no; then
 574   sim_hw_objs=
 575   sim_hw_cflags="-DWITH_HW=0"
 576   sim_hw=
 577 else
 578   sim_hw_cflags="-DWITH_HW=1"
 579   # remove duplicates
 580   sim_hw=""
 581   sim_hw_objs="\$(SIM_COMMON_HW_OBJS)"
 582   for i in $hardware ; do
 583     case " $sim_hw " in
 584       *" $i "*) ;;
 585       *) sim_hw="$sim_hw $i" ; sim_hw_objs="$sim_hw_objs dv-$i.o";;
 586     esac
 587   done
 588   # mingw does not support sockser
 589   case ${host} in
 590     *mingw*) ;;
 591     *) # TODO: We don't add dv-sockser to sim_hw as it is not a "real" device
 592        # that you instatiate.  Instead, other code will call into it directly.
 593        # At some point, we should convert it over.
 594        sim_hw_objs="$sim_hw_objs dv-sockser.o"
 595        AC_DEFINE_UNQUOTED(
 596          [HAVE_DV_SOCKSER], 1, [Define if dv-sockser is usable.])
 597        ;;
 598   esac
 599   if test x"$silent" != x"yes"; then
 600     echo "Setting hardware to $sim_hw_cflags, $sim_hw, $sim_hw_objs"
 601   fi
 602   dnl Some devices require extra libraries.
 603   case " $hardware " in
 604     *" cfi "*) AC_CHECK_LIB(m, log2);;
 605   esac
 606 fi
 607 ])
 608 AC_SUBST(sim_hw_cflags)
 609 AC_SUBST(sim_hw_objs)
 610 AC_SUBST(sim_hw)
 611
 612
 613 dnl --enable-sim-inline is for users that wish to ramp up the simulator's
 614 dnl performance by inlining functions.
 615 dnl Default sims to no inlining.
 616 AC_DEFUN([SIM_AC_OPTION_INLINE],
 617 [
 618 sim_inline="-DDEFAULT_INLINE=m4_ifblank([$1],[0],[$1])"
 619 AC_ARG_ENABLE(sim-inline,
 620 [AS_HELP_STRING([--enable-sim-inline=inlines],
 621                 [Specify which functions should be inlined])],
 622 [sim_inline=""
 623 case "$enableval" in
 624   no)           sim_inline="-DDEFAULT_INLINE=0";;
 625   0)            sim_inline="-DDEFAULT_INLINE=0";;
 626   yes | 2)      sim_inline="-DDEFAULT_INLINE=ALL_C_INLINE";;
 627   1)            sim_inline="-DDEFAULT_INLINE=INLINE_LOCALS";;
 628   *) for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
 629        new_flag=""
 630        case "$x" in
 631          *_INLINE=*)    new_flag="-D$x";;
 632          *=*)           new_flag=`echo "$x" | sed -e "s/=/_INLINE=/" -e "s/^/-D/"`;;
 633          *_INLINE)      new_flag="-D$x=ALL_C_INLINE";;
 634          *)             new_flag="-D$x""_INLINE=ALL_C_INLINE";;
 635        esac
 636        if test x"$sim_inline" = x""; then
 637          sim_inline="$new_flag"
 638        else
 639          sim_inline="$sim_inline $new_flag"
 640        fi
 641      done;;
 642 esac
 643 if test x"$silent" != x"yes" && test x"$sim_inline" != x""; then
 644   echo "Setting inline flags = $sim_inline" 6>&1
 645 fi])dnl
 646 ])
 647 AC_SUBST(sim_inline)
 648
 649
 650 AC_DEFUN([SIM_AC_OPTION_RESERVED_BITS],
 651 [
 652 default_sim_reserved_bits="ifelse([$1],,1,[$1])"
 653 AC_ARG_ENABLE(sim-reserved-bits,
 654 [AS_HELP_STRING([--enable-sim-reserved-bits],
 655                 [Specify whether to check reserved bits in instruction])],
 656 [case "${enableval}" in
 657   yes)  sim_reserved_bits="-DWITH_RESERVED_BITS=1";;
 658   no)   sim_reserved_bits="-DWITH_RESERVED_BITS=0";;
 659   *)    AC_MSG_ERROR("--enable-sim-reserved-bits does not take a value"); sim_reserved_bits="";;
 660 esac
 661 if test x"$silent" != x"yes" && test x"$sim_reserved_bits" != x""; then
 662   echo "Setting reserved flags = $sim_reserved_bits" 6>&1
 663 fi],[sim_reserved_bits="-DWITH_RESERVED_BITS=${default_sim_reserved_bits}"])dnl
 664 ])
 665 AC_SUBST(sim_reserved_bits)
 666
 667
 668 AC_DEFUN([SIM_AC_OPTION_SMP],
 669 [
 670 default_sim_smp="ifelse([$1],,5,[$1])"
 671 AC_ARG_ENABLE(sim-smp,
 672 [AS_HELP_STRING([--enable-sim-smp=n],
 673                 [Specify number of processors to configure for (default ${default_sim_smp})])],
 674 [case "${enableval}" in
 675   yes)  sim_smp="-DWITH_SMP=5" ; sim_igen_smp="-N 5";;
 676   no)   sim_smp="-DWITH_SMP=0" ; sim_igen_smp="-N 0";;
 677   *)    sim_smp="-DWITH_SMP=$enableval" ; sim_igen_smp="-N $enableval";;
 678 esac
 679 if test x"$silent" != x"yes" && test x"$sim_smp" != x""; then
 680   echo "Setting smp flags = $sim_smp" 6>&1
 681 fi],[sim_smp="-DWITH_SMP=${default_sim_smp}" ; sim_igen_smp="-N ${default_sim_smp}"
 682 if test x"$silent" != x"yes"; then
 683   echo "Setting smp flags = $sim_smp" 6>&1
 684 fi])dnl
 685 ])
 686 AC_SUBST(sim_smp)
 687
 688
 689 AC_DEFUN([SIM_AC_OPTION_XOR_ENDIAN],
 690 [
 691 default_sim_xor_endian="ifelse([$1],,8,[$1])"
 692 AC_ARG_ENABLE(sim-xor-endian,
 693 [AS_HELP_STRING([--enable-sim-xor-endian=n],
 694                 [Specify number bytes involved in XOR bi-endian mode (default ${default_sim_xor_endian})])],
 695 [case "${enableval}" in
 696   yes)  sim_xor_endian="-DWITH_XOR_ENDIAN=8";;
 697   no)   sim_xor_endian="-DWITH_XOR_ENDIAN=0";;
 698   *)    sim_xor_endian="-DWITH_XOR_ENDIAN=$enableval";;
 699 esac
 700 if test x"$silent" != x"yes" && test x"$sim_xor_endian" != x""; then
 701   echo "Setting xor-endian flag = $sim_xor_endian" 6>&1
 702 fi],[sim_xor_endian="-DWITH_XOR_ENDIAN=${default_sim_xor_endian}"])dnl
 703 ])
 704 AC_SUBST(sim_xor_endian)
 705
 706
 707 dnl --enable-build-warnings is for developers of the simulator.
 708 dnl it enables extra GCC specific warnings.
 709 AC_DEFUN([SIM_AC_OPTION_WARNINGS],
 710 [
 711 AC_ARG_ENABLE(werror,
 712   AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
 713   [case "${enableval}" in
 714      yes | y) ERROR_ON_WARNING="yes" ;;
 715      no | n)  ERROR_ON_WARNING="no" ;;
 716      *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
 717    esac])
 718
 719 # Enable -Werror by default when using gcc
 720 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
 721     ERROR_ON_WARNING=yes
 722 fi
 723
 724 WERROR_CFLAGS=""
 725 if test "${ERROR_ON_WARNING}" = yes ; then
 726 # NOTE: Disabled in the sim dir due to most sims generating warnings.
 727 #    WERROR_CFLAGS="-Werror"
 728      true
 729 fi
 730
 731 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
 732 -Wpointer-sign \
 733 -Wno-unused -Wunused-value -Wunused-function \
 734 -Wno-switch -Wno-char-subscripts -Wmissing-prototypes
 735 -Wdeclaration-after-statement -Wempty-body -Wmissing-parameter-type \
 736 -Wold-style-declaration -Wold-style-definition"
 737
 738 # Enable -Wno-format by default when using gcc on mingw since many
 739 # GCC versions complain about %I64.
 740 case "${host}" in
 741   *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
 742   *) build_warnings="$build_warnings -Wformat-nonliteral" ;;
 743 esac
 744
 745 AC_ARG_ENABLE(build-warnings,
 746 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
 747 [case "${enableval}" in
 748   yes)  ;;
 749   no)   build_warnings="-w";;
 750   ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
 751         build_warnings="${build_warnings} ${t}";;
 752   *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
 753         build_warnings="${t} ${build_warnings}";;
 754   *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
 755 esac
 756 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
 757   echo "Setting compiler warning flags = $build_warnings" 6>&1
 758 fi])dnl
 759 AC_ARG_ENABLE(sim-build-warnings,
 760 AS_HELP_STRING([--enable-sim-build-warnings], [enable SIM specific build-time compiler warnings if gcc is used]),
 761 [case "${enableval}" in
 762   yes)  ;;
 763   no)   build_warnings="-w";;
 764   ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
 765         build_warnings="${build_warnings} ${t}";;
 766   *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
 767         build_warnings="${t} ${build_warnings}";;
 768   *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
 769 esac
 770 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
 771   echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
 772 fi])dnl
 773 WARN_CFLAGS=""
 774 if test "x${build_warnings}" != x -a "x$GCC" = xyes
 775 then
 776     AC_MSG_CHECKING(compiler warning flags)
 777     # Separate out the -Werror flag as some files just cannot be
 778     # compiled with it enabled.
 779     for w in ${build_warnings}; do
 780         case $w in
 781         -Werr*) WERROR_CFLAGS=-Werror ;;
 782         *) # Check that GCC accepts it
 783             saved_CFLAGS="$CFLAGS"
 784             CFLAGS="$CFLAGS $w"
 785             AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
 786             CFLAGS="$saved_CFLAGS"
 787         esac
 788     done
 789     AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
 790 fi
 791 ])
 792 AC_SUBST(WARN_CFLAGS)
 793 AC_SUBST(WERROR_CFLAGS)
 794
 795
 796 dnl Generate the Makefile in a target specific directory.
 797 dnl Substitutions aren't performed on the file in AC_SUBST_FILE,
 798 dnl so this is a cover macro to tuck the details away of how we cope.
 799 dnl We cope by having autoconf generate two files and then merge them into
 800 dnl one afterwards.  The two pieces of the common fragment are inserted into
 801 dnl the target's fragment at the appropriate points.
 802
 803 AC_DEFUN([SIM_AC_OUTPUT],
 804 [
 805 dnl Make @cgen_breaks@ non-null only if the sim uses CGEN.
 806 cgen_breaks=""
 807 if grep CGEN_MAINT $srcdir/Makefile.in >/dev/null; then
 808 cgen_breaks="break cgen_rtx_error";
 809 fi
 810 AC_SUBST(cgen_breaks)
 811 AC_CONFIG_FILES(Makefile.sim:Makefile.in)
 812 AC_CONFIG_FILES(Make-common.sim:../common/Make-common.in)
 813 AC_CONFIG_FILES(.gdbinit:../common/gdbinit.in)
 814 AC_CONFIG_COMMANDS([Makefile],
 815 [echo "Merging Makefile.sim+Make-common.sim into Makefile ..."
 816  rm -f Makesim1.tmp Makesim2.tmp Makefile
 817  sed -n -e '/^## COMMON_PRE_/,/^## End COMMON_PRE_/ p' <Make-common.sim >Makesim1.tmp
 818  sed -n -e '/^## COMMON_POST_/,/^## End COMMON_POST_/ p' <Make-common.sim >Makesim2.tmp
 819  sed -e '/^## COMMON_PRE_/ r Makesim1.tmp' \
 820         -e '/^## COMMON_POST_/ r Makesim2.tmp' \
 821         <Makefile.sim >Makefile
 822  rm -f Makefile.sim Make-common.sim Makesim1.tmp Makesim2.tmp
 823 ])
 824 AC_CONFIG_COMMANDS([stamp-h], [echo > stamp-h])
 825 AC_OUTPUT
 826 ])
 827
 828 sinclude(../../config/gettext-sister.m4)
 829 sinclude(../../config/acx.m4)
 830
 831 dnl --enable-cgen-maint support
 832 AC_DEFUN([SIM_AC_OPTION_CGEN_MAINT],
 833 [
 834 cgen_maint=no
 835 dnl Default is to use one in build tree.
 836 cgen=guile
 837 cgendir='$(srcdir)/../../cgen'
 838 dnl Having --enable-maintainer-mode take arguments is another way to go.
 839 dnl ??? One can argue --with is more appropriate if one wants to specify
 840 dnl a directory name, but what we're doing here is an enable/disable kind
 841 dnl of thing and specifying both --enable and --with is klunky.
 842 dnl If you reeely want this to be --with, go ahead and change it.
 843 AC_ARG_ENABLE(cgen-maint,
 844 [AS_HELP_STRING([--enable-cgen-maint[=DIR]], [build cgen generated files])],
 845 [case "${enableval}" in
 846   yes)  cgen_maint=yes ;;
 847   no)   cgen_maint=no ;;
 848   *)
 849         # argument is cgen install directory (not implemented yet).
 850         # Having a `share' directory might be more appropriate for the .scm,
 851         # .cpu, etc. files.
 852         cgendir=${cgen_maint}/lib/cgen
 853         cgen=guile
 854         ;;
 855 esac])dnl
 856 dnl AM_CONDITIONAL(CGEN_MAINT, test x${cgen_maint} != xno)
 857 if test x${cgen_maint} != xno ; then
 858   CGEN_MAINT=''
 859 else
 860   CGEN_MAINT='#'
 861 fi
 862 AC_SUBST(CGEN_MAINT)
 863 AC_SUBST(cgendir)
 864 AC_SUBST(cgen)
 865 ])