#
#
# The Nimrod Compiler
# (c) Copyright 2009 Andreas Rumpf
#
# See the file "copying.txt", included in this
# distribution, for details about the copyright.
#
# This module contains data about the different processors
# and operating systems.
# Note: Unfortunately if an OS or CPU is listed here this does not mean that
# Nimrod has been tested on this platform or that the RTL has been ported.
# Feel free to test for your excentric platform!
import
strutils
type
TSystemOS* = enum # Also add OS in initialization section and alias
# conditionals to condsyms (end of module).
osNone, osDos, osWindows, osOs2, osLinux, osMorphos, osSkyos, osSolaris,
osIrix, osNetbsd, osFreebsd, osOpenbsd, osAix, osPalmos, osQnx, osAmiga,
osAtari, osNetware, osMacos, osMacosx, osEcmaScript, osNimrodVM
type
TInfoOSProp* = enum
ospNeedsPIC, # OS needs PIC for libraries
ospCaseInsensitive, # OS filesystem is case insensitive
ospPosix, # OS is posix-like
ospLacksThreadVars # OS lacks proper __threadvar support
TInfoOSProps* = set[TInfoOSProp]
TInfoOS* = tuple[name: string, parDir: string, dllFrmt: string,
altDirSep: string, objExt: string, newLine: string,
pathSep: string, dirSep: string, scriptExt: string,
curDir: string, exeExt: string, extSep: string,
props: TInfoOSProps]
const
OS*: array[succ(low(TSystemOS))..high(TSystemOS), TInfoOS] = [
(name: "DOS",
parDir: "..", dllFrmt: "$1.dll", altDirSep: "/", objExt: ".obj",
newLine: "\x0D\x0A", pathSep: ";", dirSep: "\\", scriptExt: ".bat",
curDir: ".", exeExt: ".exe", extSep: ".", props: {ospCaseInsensitive}),
(name: "Windows", parDir: "..", dllFrmt: "$1.dll", altDirSep: "/",
objExt: ".obj", newLine: "\x0D\x0A", pathSep: ";", dirSep: "\\",
scriptExt: ".bat", curDir: ".", exeExt: ".exe", extSep: ".",
props: {ospCaseInsensitive}),
(name: "OS2", parDir: "..",
dllFrmt: "$1.dll", altDirSep: "/",
objExt: ".obj", newLine: "\x0D\x0A",
pathSep: ";", dirSep: "\\",
scriptExt: ".bat", curDir: ".",
exeExt: ".exe", extSep: ".",
props: {ospCaseInsensitive}),
(name: "Linux", parDir: "..", dllFrmt: "lib$1.so", altDirSep: "/",
objExt: ".o", newLine: "\x0A", pathSep: ":", dirSep: "/",
scriptExt: ".sh", curDir: ".", exeExt: "", extSep: ".",
props: {ospNeedsPIC, ospPosix}),
(name: "MorphOS", parDir: "..",
dllFrmt: "lib$1.so", altDirSep: "/",
objExt: ".o", newLine: "\x0A",
pathSep: ":", dirSep: "/",
scriptExt: ".sh", curDir: ".",
exeExt: "", extSep: ".",
props: {ospNeedsPIC, ospPosix}),
(name: "SkyOS", parDir: "..", dllFrmt: "lib$1.so", altDirSep: "/",
objExt: ".o", newLine: "\x0A", pathSep: ":", dirSep: "/",
scriptExt: ".sh", curDir: ".", exeExt: "", extSep: ".",
props: {ospNeedsPIC, ospPosix}),
(name: "Solaris", parDir: "..",
dllFrmt: "lib$1.so", altDirSep: "/",
objExt: ".o", newLine: "\x0A",
pathSep: ":", dirSep: "/",
scriptExt: ".sh", curDir: ".",
exeExt: "", extSep: ".",
props: {ospNeedsPIC, ospPosix}),
(name: "Irix", parDir: "..", dllFrmt: "lib$1.so", altDirSep: "/",
objExt: ".o", newLine: "\x0A", pathSep: ":", dirSep: "/",
scriptExt: ".sh", curDir: ".", exeExt: "", extSep: ".",
props: {ospNeedsPIC, ospPosix}),
(name: "NetBSD", parDir: "..",
dllFrmt: "lib$1.so", altDirSep: "/",
objExt: ".o", newLine: "\x0A",
pathSep: ":", dirSep: "/",
scriptExt: ".sh", curDir: ".",
exeExt: "", extSep: ".",
props: {ospNeedsPIC, ospPosix}),
(name: "FreeBSD", parDir: "..", dllFrmt: "lib$1.so", altDirSep: "/",
objExt: ".o", newLine: "\x0A", pathSep: ":", dirSep: "/",
scriptExt: ".sh", curDir: ".", exeExt: "", extSep: ".",
props: {ospNeedsPIC, ospPosix}),
(name: "OpenBSD", parDir: "..",
dllFrmt: "lib$1.so", altDirSep: "/",
objExt: ".o", newLine: "\x0A",
pathSep: ":", dirSep: "/",
scriptExt: ".sh", curDir: ".",
exeExt: "", extSep: ".",
props: {ospNeedsPIC, ospPosix}),
(name: "AIX", parDir: "..", dllFrmt: "lib$1.so", altDirSep: "/",
objExt: ".o", newLine: "\x0A", pathSep: ":", dirSep: "/",
scriptExt: ".sh", curDir: ".", exeExt: "", extSep: ".",
props: {ospNeedsPIC, ospPosix}),
(name: "PalmOS", parDir: "..",
dllFrmt: "lib$1.so", altDirSep: "/",
objExt: ".o", newLine: "\x0A",
pathSep: ":", dirSep: "/",
scriptExt: ".sh", curDir: ".",
exeExt: "", extSep: ".",
props: {ospNeedsPIC}),
(name: "QNX",
parDir: "..", dllFrmt: "lib$1.so", altDirSep: "/", objExt: ".o",
newLine: "\x0A", pathSep: ":", dirSep: "/", scriptExt: ".sh", curDir: ".",
exeExt: "", extSep: ".", props: {ospNeedsPIC, ospPosix}),
(name: "Amiga",
parDir: "..", dllFrmt: "$1.library", altDirSep: "/", objExt: ".o",
newLine: "\x0A", pathSep: ":", dirSep: "/", scriptExt: ".sh", curDir: ".",
exeExt: "", extSep: ".", props: {ospNeedsPIC}),
(name: "Atari",
parDir: "..", dllFrmt: "$1.dll", altDirSep: "/", objExt: ".o",
newLine: "\x0A", pathSep: ":", dirSep: "/", scriptExt: "", curDir: ".",
exeExt: ".tpp", extSep: ".", props: {ospNeedsPIC}),
(name: "Netware",
parDir: "..", dllFrmt: "$1.nlm", altDirSep: "/", objExt: "",
newLine: "\x0D\x0A", pathSep: ":", dirSep: "/", scriptExt: ".sh",
curDir: ".", exeExt: ".nlm", extSep: ".", props: {ospCaseInsensitive}),
(name: "MacOS", parDir: "::", dllFrmt: "$1Lib", altDirSep: ":",
objExt: ".o", newLine: "\x0D", pathSep: ",", dirSep: ":", scriptExt: "",
curDir: ":", exeExt: "", extSep: ".", props: {ospCaseInsensitive}),
(name: "MacOSX", parDir: "..", dllFrmt: "lib$1.dylib", altDirSep: ":",
objExt: ".o", newLine: "\x0A", pathSep: ":", dirSep: "/",
scriptExt: ".sh", curDir: ".", exeExt: "", extSep: ".",
props: {ospNeedsPIC, ospPosix, ospLacksThreadVars}),
(name: "EcmaScript", parDir: "..",
dllFrmt: "lib$1.so", altDirSep: "/",
objExt: ".o", newLine: "\x0A",
pathSep: ":", dirSep: "/",
scriptExt: ".sh", curDir: ".",
exeExt: "", extSep: ".", props: {}),
(name: "NimrodVM", parDir: "..", dllFrmt: "lib$1.so", altDirSep: "/",
objExt: ".o", newLine: "\x0A", pathSep: ":", dirSep: "/",
scriptExt: ".sh", curDir: ".", exeExt: "", extSep: ".", props: {})]
type
TSystemCPU* = enum # Also add CPU for in initialization section and
# alias conditionals to condsyms (end of module).
cpuNone, cpuI386, cpuM68k, cpuAlpha, cpuPowerpc, cpuPowerpc64,
cpuSparc, cpuVm, cpuIa64, cpuAmd64, cpuMips, cpuArm,
cpuEcmaScript, cpuNimrodVM
type
TEndian* = enum
littleEndian, bigEndian
TInfoCPU* = tuple[name: string, intSize: int, endian: TEndian, floatSize: int,
bit: int]
const
EndianToStr*: array[TEndian, string] = ["littleEndian", "bigEndian"]
CPU*: array[succ(low(TSystemCPU))..high(TSystemCPU), TInfoCPU] = [
(name: "i386", intSize: 32, endian: littleEndian, floatSize: 64, bit: 32),
(name: "m68k", intSize: 32, endian: bigEndian, floatSize: 64, bit: 32),
(name: "alpha", intSize: 64, endian: littleEndian, floatSize: 64, bit: 64),
(name: "powerpc", intSize: 32, endian: bigEndian, floatSize: 64, bit: 32),
(name: "powerpc64", intSize: 64, endian: bigEndian, floatSize: 64, bit: 64),
(name: "sparc", intSize: 32, endian: bigEndian, floatSize: 64, bit: 32),
(name: "vm", intSize: 32, endian: littleEndian, floatSize: 64, bit: 32),
(name: "ia64", intSize: 64, endian: littleEndian, floatSize: 64, bit: 64),
(name: "amd64", intSize: 64, endian: littleEndian, floatSize: 64, bit: 64),
(name: "mips", intSize: 32, endian: bigEndian, floatSize: 64, bit: 32),
(name: "arm", intSize: 32, endian: littleEndian, floatSize: 64, bit: 32),
(name: "ecmascript", intSize: 32, endian: bigEndian, floatSize: 64, bit: 32),
(name: "nimrodvm", intSize: 32, endian: bigEndian, floatSize: 64, bit: 32)]
var
targetCPU*, hostCPU*: TSystemCPU
targetOS*, hostOS*: TSystemOS
proc NameToOS*(name: string): TSystemOS
proc NameToCPU*(name: string): TSystemCPU
var
IntSize*: int
floatSize*: int
PtrSize*: int
tnl*: string # target newline
proc setTarget*(o: TSystemOS, c: TSystemCPU) =
assert(c != cpuNone)
assert(o != osNone)
#echo "new Target: OS: ", o, " CPU: ", c
targetCPU = c
targetOS = o
intSize = cpu[c].intSize div 8
floatSize = cpu[c].floatSize div 8
ptrSize = cpu[c].bit div 8
tnl = os[o].newLine
proc NameToOS(name: string): TSystemOS =
for i in countup(succ(osNone), high(TSystemOS)):
if cmpIgnoreStyle(name, OS[i].name) == 0:
return i
result = osNone
proc NameToCPU(name: string): TSystemCPU =
for i in countup(succ(cpuNone), high(TSystemCPU)):
if cmpIgnoreStyle(name, CPU[i].name) == 0:
return i
result = cpuNone
hostCPU = nameToCPU(system.hostCPU)
hostOS = nameToOS(system.hostOS)
setTarget(hostOS, hostCPU) # assume no cross-compiling