DCC64.exe delphi64位命令行编译器揭秘

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    DCC32.exe肯定众多D迷都用过,Dcc64.exe功能也类似,是用来编译支持64位windows平台的应用程序的编译器,Dcc64可以在微软视窗32位平台上运行,所以Dcc64是应用程序实现跨平台的利器,当然64位的windows开发环境它也是可以支持的。

稍后会介绍C++下跨OSX平台Delphi下跨OSX平台的编译器揭秘

DCC64 功能揭秘

  • 编译的原始整数类型都是64位的。(Native integer types are 64-bit)
  • 指针也是64位。(Pointers are 64-bit.)
  • 动态数组拥有64位的索引(Dynamic arrays have 64-bit indexes)
  • 浮点运算有在single 和double 精度下运行,Extended 精度的浮点运算将不能支持。
  • SHL/SHR behavior:32位整形将转移到使用32位空间,64位整形将转变到使用64位的空间
  •  混合的Pascal/汇编 代码将不会被支持。 

命令行帮助 

C:\>dcc64 -h Embarcadero Delphi for Win64 compiler version 23.0 Copyright (c) 1983,2011 Embarcadero Technologies, Inc. Syntax: dcc64 [options] filename [options] -A<unit>=<alias> = Set unit alias -B = Build all units -CC = Console target -CG = GUI target -D<syms> = Define conditionals -E<path> = EXE/DLL output directory -F<offset> = Find error -GD = Detailed map file -GP = Map file with publics -GS = Map file with segments -H = Output hint messages -I<paths> = Include directories -K<addr> = Set image base addr -LE<path> = package .bpl output directory -LN<path> = package .dcp output directory -LU<package> = Use package -M = Make modified units -N0<path> = unit .dcu output directory -NH<path> = unit .hpp output directory -NO<path> = unit .obj output directory -NB<path> = unit .bpi output directory -NS<namespaces> = Namespace search path -O<paths> = Object directories -P = look for 8.3 file names also -Q = Quiet compile -R<paths> = Resource directories -U<paths> = Unit directories -V = Debug information in EXE -VR = Generate remote debug (RSM) -VT = Debug information in TDS -W[+|-|^][warn_id] = Output warning messages -Z = Output 'never build' DCPs -$<dir> = Compiler directive --help = Show this help screen --version = Show name and version --codepage:<cp> = specify source file encoding --default-namespace:<namespace> = set namespace --depends = output unit dependency information --doc = output XML documentation --drc = output resource string .drc file --no-config = do not load default dcc64.cfg file --description:<string> = set executable description --inline:{on|off|auto} = function inlining control --peflags:<flags> = set extra PE Header flags field --peoptflags:<flags> = set extra PE Header optional flags field --peosversion:<major>.<minor> = set OS Version fields in PE Header (default: 5.0) --pesubsysversion:<major>.<minor> = set Subsystem Version fields in PE Header (default: 4.0) --peuserversion:<major>.<minor> = set User Version fields in PE Header (default: 0.0) Compiler switches: -$<letter><state> (defaults are shown below) A8 Aligned record fields B- Full boolean Evaluation C+ Evaluate assertions at runtime D+ Debug information G+ Use imported data references H+ Use long strings by default I+ I/O checking J- Writeable structured consts L+ Local debug symbols M- Runtime type info O+ Optimization P+ Open string params Q- Integer overflow checking R- Range checking T- Typed @ operator V+ Strict var-strings W- Generate stack frames X+ Extended syntax Y+ Symbol reference info Z1 Minimum size of enum types Stack size: -$M<minStackSize[,maxStackSize]> (default 16384,1048576)

64-bit 内链汇编

DCC64.EXE 支持64位的汇编代码,但是有一些限制,书写必须要完整,在delphi或者汇编中,绝对不允许混用。

Pseudo-ops虚运算只能管理堆,下面的表中友一些详细的说明

Pseudo-op

.PARAMS#

Use this pseudo-instruction when calling external functions. This pseudo-instruction maps the function parameters in accordance with the x64 calling convention. When used, a pseudo-variable, @params, is available for passing stack parameters to called functions. Use @params as a byte array where the first stack parameter is @params[32], locations 0-31 represent the 4 register parameters.
.PUSHNV

REG Generates code to save and restore the non-volatile general purpose register in prologue and epilogue.
.SAVENV

XMM# Has the same functionality as .PUSHNV REG, except that .SAVENV XMM# is for non-volatile XMM registers.
.NOFRAME

Forcibly disables the generation of a stack frame as long as there are no local variables declared and the parameter count is less than 4. Use only for "leaf" functions.

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