minix/commands/i386/acd.descr

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# ACD pass description for the ACK compilers.
#
# Pre-set variables.
# PROGRAM - Name the compiler driver is called with.
# ARCH - Default target architecture.
# Library directories search path.
L = /lib /usr/lib
# ACK Compilers support search path.
A = $L $L/ack
# ARCH must be defined.
ifndef ARCH
error "\$ARCH is not predefined"
# Get ARCH from the environment if set.
import ARCH
# Compiler passes.
ACK_CPP = $A/cpp.ansi $CPP_F $PREDEF $NOLINENO
ACK_CEM = $A/em_cemcom.ansi -L $CPP_F $PREDEF \
-Vw${W}.${W}i${W}.${W}p${P}.${W}f4.${W}s2.2l4.${W}d8.${W}
ACK_M2 = $A/em_m2 -I$MOD_INCL -WR \
-Vw${W}.${W}i${W}.${W}p${P}.${W}l4.${W}f4.${W}d8.${W}
ACK_PC = $A/em_pc \
-Vw${W}.${W}i${W}.${W}l4.${W}p${P}.${W}f8.${W}S${W}.${W}
MOD_INCL = $A/m2 +
ACK_DECODE = $A/em_decode
ACK_ENCODE = $A/em_encode
ACK_OPT = $A/em_opt
ACK_EGO = $A/em_ego -P $A/ego -M$EGO_DESCR
EGO_DESCR = $A/ego/${ARCH}descr +
ACK_OPT2 = $A/em_opt2
ACK_CG = $A/$ARCH/cg
ACK_AS = $A/$ARCH/as \-
ACK_LED = $A/em_led -a0:$W -a1:$W -a2:$W -a3:$W
ACK_CV = $A/cv
ASMCONV = /usr/bin/asmconv
AAL = /usr/bin/aal
# Minix predefined symbols.
CPP_F = -D__minix -D__minix3 -D__$ARCH
# Library path.
LIBPATH = $USERLIBPATH $A/$ARCH
# Default output "model".
MODEL = -sep
# Floating point is done in software.
LIBS = -fsoft
# Default optimization level.
OPT_LEVEL = 1
# Call names.
if $PROGRAM = acc
PROGRAM = cc
if $PROGRAM = apc
PROGRAM = pc
if $PROGRAM = am2
PROGRAM = m2
if $PROGRAM = kcc
PROGRAM = cc
# Default transformation target.
stop .out
# Select the runtime environment by option or program name.
arg -.c
if $PROGRAM = cc
ifndef RTSO
RTSO = -.c
LIBS = $LIBS + -.c
# Omit the runtime startoff, but keep the libraries.
arg -.o
RTSO =
arg -.$any
error ".$any: unknown language"
# Select the target architecture.
arg -m$arch
ARCH = $arch
# Preprocessor directives.
arg -D$name
arg -D $name
CPP_F = $CPP_F -D$name
arg -U$name
arg -U $name
CPP_F = $CPP_F -U$name
arg -I$dir
arg -I $dir
CPP_F = $CPP_F -I$dir
ACK_M2 = $ACK_M2 -I$dir
# Debugging.
arg -g # Add debugging info.
ACK_CEM = $ACK_CEM -g
ACK_CG = $ACK_CG -gdb
arg -n # Suppress line numbers.
ACK_M2 = $ACK_M2 -L
ACK_PC = $ACK_PC -L
arg -a # Enable assertions.
arg -A # Enable array bound checks.
ACK_M2 = $ACK_M2 $*
ACK_PC = $ACK_PC $*
# Language checking.
arg -w # No warnings.
ACK_CEM = $ACK_CEM $*
ACK_M2 = $ACK_M2 $*
ACK_PC = $ACK_PC $*
arg -ws # No strict warnings.
ACK_CEM = $ACK_CEM -s
ACK_M2 = $ACK_M2 -wR
arg -wa # No warnings and no strict warnings.
ACK_CEM = $ACK_CEM -a
ACK_M2 = $ACK_M2 -wR
arg -wo # No warnings about old style C.
ACK_CPP = $ACK_CPP -o
ACK_CEM = $ACK_CEM -o
ACK_M2 = $ACK_M2 -wO
arg -3 # Only accept 3rd generation Modula-2.
ACK_M2 = $ACK_M2 $*
arg -_ # Allow underscores in identifiers.
ACK_M2 = $ACK_M2 -U
ACK_PC = $ACK_PC -U
arg -w$any
arg -F
arg -m
# Ignore strange -w flags, and past and present i86 compiler flags.
# Stop suffix.
arg -c
stop .o
arg -c.$stop
stop .$stop
arg -E
stop .E
arg -P
CPP_F = $CPP_F -P
stop .i
arg -S
stop .s
# Optimization.
arg -O
OPT_LEVEL = 1
arg -OS # Optimize for size.
ACK_EGO = $ACK_EGO -S
arg -OT # Optimize for time.
ACK_EGO = $ACK_EGO -T
arg -O$n
numeric $n
OPT_LEVEL = $n
# Library search path.
arg -L$dir
arg -L $dir
USERLIBPATH = $USERLIBPATH $dir/$ARCH $dir
# -llib must be searched in $LIBPATH later.
arg -l$lib
arg -l $lib
$> = $LIBPATH/lib$lib.a
# Software floating point, hardware floating point, or no floating point.
arg -f
arg -fp
arg -fsoft
LIBS = $LIBS + -fsoft
arg -fhard
LIBS = $LIBS - -fsoft
arg -fnone
LIBS = $LIBS + -fnone
# Output model.
arg -com
MODEL = # Common I&D.
arg -sep
arg -i # Separate I&D.
MODEL = -sep
arg -r # Relocatable object (combined .o)
MODEL = -r
# Strip executable.
arg -s
ACK_LED = $ACK_LED -s
# Size of heap+stack.
arg -stack $size
ACK_CV = $ACK_CV -S $size
# Change output file.
arg -o$out
arg -o $out
OUT = $out
# Complain about just -D, -U, -I, ...
arg -D; arg -U; arg -I; arg -L; arg -l; arg -o; arg -stack
error "argument expected after '$*'"
arg -R$pass-$flag # The ACK way of passing options to passes.
arg -Wack-R$pass-$flag # The ACD way.
if $pass = cpp
ACK_CPP = $ACK_CPP -$flag
if $pass = cem
ACK_CEM = $ACK_CEM -$flag
if $pass = m2
ACK_M2 = $ACK_M2 -$flag
if $pass = pc
ACK_PC = $ACK_PC -$flag
if $pass = opt
ACK_OPT = $ACK_OPT -$flag
if $pass = ego
ACK_EGO = $ACK_EGO -$flag
if $pass = opt2
ACK_OPT2 = $ACK_OPT2 -$flag
if $pass = cg
ACK_CG = $ACK_CG -$flag
if $pass = as
ACK_AS = $ACK_AS -$flag
if $pass = led
ACK_LED = $ACK_LED -$flag
arg -Was-$dialect # Default assembly dialect.
ASDIALECT = $dialect
arg -W$any
# Ignore any other -W options.
# Complain about unknown options, don't give them to the loader.
arg -$any
error "$*: unknown option"
# Do the scanning phase early, we need to know the architecture.
scan
# The word and pointer sizes of the target.
if $ARCH = i86
W = 2; P = 2
if $ARCH = i386
W = 4; P = 4
ifndef W
error "$ARCH: unsupported architecture"
# Optimize -O2 or higher?
if (0 1 - $OPT_LEVEL) = (0 1)
ACK_EGO = $ACK_EGO -O$OPT_LEVEL
ACK_OPT = $ACK_OPT -m0 # Leave multiplication optimization to opt2.
prefer .m .gk
# Tell cem to reverse bitfields on the i386 to be compatible with gcc.
if $ARCH = i386
ACK_CEM = $ACK_CEM -Vr
# Predefined preprocessor flags.
PREDEF = -D_EM_WSIZE=$W -D_EM_PSIZE=$P -D_EM_SSIZE=2 -D_EM_LSIZE=4 \
-D_EM_FSIZE=4 -D_EM_DSIZE=8 -D__ACK__ -D_ACK
# Preprocess C source.
transform .c .i
$ACK_CPP $* > $>
# Preprocess any type of file and send it to standard output or $OUT.
transform "" .E
if $* = "-"
file = # Standard input.
else
file = $*
ifndef OUT
$ACK_CPP $file
else
$ACK_CPP $file > $OUT
# Compile C source to EM-code.
transform .c .k
transform .i .k
$ACK_CEM $* $>
ifndef RTSO
RTSO = -.c
LIBS = $LIBS + -.c
# Compact EM to readable EM.
transform .k .e
transform .m .e
transform .gk .e
transform .g .e
$ACK_DECODE $* > $>
# Readable EM to compact EM.
transform .e .k
ifhash $*
NOLINENO = -P # Encode chokes on cpp line directives.
apply .c .i
unset NOLINENO
$ACK_ENCODE $* > $>
# Peephole optimization.
transform .k .m
$ACK_OPT $* > $>
# Global optimization.
transform .m .gk
$ACK_EGO $* > $>
# Second peephole optimization after global optimization.
transform .gk .g
$ACK_OPT2 $* > $>
# EM-code to target machine assembly.
transform .m .ack.s
transform .g .ack.s
transform .m .s
transform .g .s
if $ARCH = i386
$ACK_CG -F__fp_hook $* > $>
else
$ACK_CG $* > $>
# How to treat plain .s?
ifndef ASDIALECT
transform .s .ack.s
$> = $*
# Assembly to object file.
transform .ack.s .o
ifhash $*
apply .c .i
if $> = $<.o
ifdef OUT
$> = $OUT
$ACK_AS -o $> $*
# Combine object files and libraries to an executable.
combine (.o .a) .out
if $MODEL = ()
model = -b0:0
if $MODEL = (-sep)
model = -b0:0 -b1:0
rtso =
if $RTSO = -.c
rtso = $A/$ARCH/crtso.o
libd = ; libc = ; libfp =
if (-.c - $LIBS) = ()
libd = $A/$ARCH/libd.a
libc = $A/$ARCH/libc.a
if (-fsoft - $LIBS) = ()
libfp = $A/$ARCH/libfp.a
libs = $libd $libc $libfp $A/$ARCH/libe.a
ifndef OUT
OUT = a.out
if (-r - $MODEL) = ()
# Combine to an object file.
$ACK_LED -r -o $OUT $*
else
# Combine to an executable.
mktemp EXE
$ACK_LED $model -o $EXE $rtso $* $libs $A/$ARCH/libend.a
$ACK_CV -x -m$ARCH $EXE $OUT
# Add object files to a library.
combine (.o) .a
if $> = $<.a
ifdef OUT
$> = $OUT
$AAL cr $> $*
# Assembly conversions.
# ACK assembly to ACK Xenix assembly.
transform .ack.s .ncc.s
ifhash $*
apply .c .i
$ASMCONV -m$ARCH ack ncc $* $>
# ACK assembly to GNU assembly.
transform .ack.s .gnu.s
ifhash $*
apply .c .i
$ASMCONV -m$ARCH ack gnu $* $>
# ACK Xenix assembly to ACK assembly.
transform .ncc.s .ack.s
ifhash $*
apply .c .i
$ASMCONV -m$ARCH ncc ack $* $>
# ACK Xenix assembly to GNU assembly.
transform .ncc.s .gnu.s
ifhash $*
apply .c .i
$ASMCONV -m$ARCH ncc gnu $* $>
# BCC assembly to ACK assembly.
transform .bas.s .ack.s
ifhash $*
apply .c .i
$ASMCONV -m$ARCH bas ack $* $>
# BCC assembly to ACK Xenix assembly.
transform .bas.s .ncc.s
ifhash $*
apply .c .i
$ASMCONV -m$ARCH bas ncc $* $>
# BCC assembly to GNU assembly.
transform .bas.s .gnu.s
ifhash $*
apply .c .i
$ASMCONV -m$ARCH bas gnu $* $>
#ifdef ASDIALECT
# Treat plain .s as being in the given dialect.
transform .s .$ASDIALECT.s
$> = $*