I need to debug old application which uses Borland C++ (bcc) compiler. Is there any IDE that supports bcc 32 bit compiler?
Yes , you can use Embarcadero Dev-C++
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I don't quite understand the difference between the following C/C++ compilers: GCC, MinGW, Cygwin and MSVC. Are the MinGW and Cygwin implementations of GCC or something entirely different? If I intend to compile for Windows, do I ever need anything other than the MSVC (Visual Studio) compiler?
GCC for Windows is mostly useful for makefiles and code written with gcc-specific non-portable syntax.
cygwin is not a compiler, it's a set of libraries that create a Linux-like environment inside Windows, and common linux tools compiled with those libraries.. It is useful for code written with Unixisms (expect files to behave a certain way, or assume the directory separator is /, or assume Linux paths).
If you have pure Windows code, you'll be happiest with Visual C++ (MSVC). Or, if that doesn't optimize well enough, the Intel C++ compiler.
Visual C++ also works well for portable ISO-conformant code... but Microsoft is a little behind the curve on implmenting C++11 and C++14 features. So that's another reason you might want to use gcc (or clang).
I am extracting code designed for an embedded system that uses math functions from NEWLIB and I would like to compile that code with Visual C++ Express Edition. However, it seems that part of the code inside NEWLIB is designed to be compiled only with GCC.
Question: Can NEWLIB be somehow modified to be compiled with a compiler other than GCC? How?
Am I asking unreasonable things here?
As an example, the following symbols are not understood by the Visual Compiler:
__extension__
__ULong
_mbtowc_state
__attribute__
Note, I would content myself if I could compile with LCC. Would this be easier?
Building newlib with MSVC would take a large porting effort. You are better off porting your code to the libc provided by MSVC. They should be mostly compatible. Simply remove newlib from you build system, MSVC will automatically link you code against it's own libc.
If you can built your code under MSVC you've probably already ported it to MSVC's libc anyway. Unless you are explicitly including headers from newlib. For example, if you include stdio.h, by default it will pickup MSVC's version unless you override this behavior to get it to use newlib's version.
Is it possible to assign a specific thread to a specific core in opeMP. If so, can anyone tell me how to do that.
I am using openMp in fortran language
For Intel Fortran, recent version(s) of the compiler are supposed to support this - details here.
Version : Intel® C++ and Fortran Compilers for Windows* (versions
11.1.048 or higher)
Intel® C++ and Fortran Compilers for Linux* (versions
11.1.056 or higher)
Is it possible to insert assembly code on Visual C++ Express 2010 64 Bit?
If not, is there an intrinsic for adc (add with carry)?
The x64 C++ compiler doesn't support inline assembly, you need to put your assembly code in a separate file.
There is no built-in intrinsic for adc, but you can easily emulate it.
Is it possible to create, edit, link, compile (is compile the word?) etc. assembly code in MSVC++?
Also, if it's not possible, how can I create an .exe out of plain text, ie: convert the text into whatever format is required to use assembly code, then turn the assembly code into an .exe. (I'd say compile, but I don't think that is the correct word here).
And finally, what are some good places to begin learning assembly code? Written in a way that someone who has little experience can use.
I know some of these questions are probably very stupid, but I have absolutely no experience in assembly code and am not exactly sure where to start.
On x86, yes. You can use the __asm keyword to put assembly inline in your standard source files, and use the normal MS compile/link tools to compile everything together.
On x64 (or x86), you may need to use the ML and ML64 command line compilers for assembly.
Visual Studio provides the __asm keyword for compiling inline assembly in c and c++. There is also a good discussion here on the use of inline assembly. However if you are just talking about compiling assembly on it's own I'm not sure if Visual C++ is the correct tool however I'm pretty sure visual studio ships with the MASM assembler.
In short, yes.
According to Wikipedia, MASM has been shipped with all versions of Visual C later than VC6, and is also available in the Windows Driver Developer Kit. Versions supporting 16-bit real and protected modes, 32-bit, and 64-bit are all supported.
You can use the __asm keyword to write inline assembly.
pcasm-book(pdf) is a good tutorial to start assembly code programming.
Yes, sort of.
C:\Program Files\Microsoft Visual Studio 9.0\vc\bin>ml
Microsoft (R) Macro Assembler Version 9.00.30729.01
Copyright (C) Microsoft Corporation. All rights reserved.
usage: ML [ options ] filelist [ /link linkoptions]
Run "ML /help" or "ML /?" for more info
You'd use the macro assembler. I don't know if Visual Studio will automatically "do the right thing" with .asm files, though, but you can certainly edit them with it and assemble them with ml.exe.
A good place to start learning assembly language might actually be by learning about reverse engineering.
Look for information on the C++ 'asm' keyword. It may be compiler specific, but I know VC++ supports it.