This question already has answers here:
Closed 10 years ago.
Possible Duplicate:
How do I do inline assembly on the IPhone?
I am running xcode4.2.1, can I do in line assembly i.e. __asm in the code?
It's just a matter of using an inline specified and an asm() call:
inline void myFunction() {
__asm__(//asm goes here);
}
CLANG does use a similar but different form of ASM though (it's still pretty darn compatible with GAS, which can be read about here
Related
This question already has answers here:
Is there an alternative to initialize() in macOS now that Swift has deprecated it?
(3 answers)
Swift 3.1 deprecates initialize(). How can I achieve the same thing?
(10 answers)
Closed 4 years ago.
First of all I'm trying to execute code in my app (only from my Swift Framework!) when it is loaded into memory.
Normally I would use this ObjC Method to execute Code when my Framework is loaded into Memory.
Is there something equivalent to this in Swift?
static void __attribute__((constructor)) initialize(void){
NSLog(#"==== Code Injection in Action====");
/*
My Code
*/
}
What I have found:
Apple Developer Page regarding this (but it's also only explained in ObjC)
Other Page about Code Injection in general
Any Ideas?
Currently, Swift does not have this functionality. You can either just define an initialization function for your framework and ask your clients to call it before using any other APIs, or you can just mix in an Objective-C file into the project.
This question already has an answer here:
Keep the delegate argument names when compiling C++/CLI for .Net
(1 answer)
Closed 8 years ago.
I'm working on a multi-project program in C++/CLI and parameter names for functions, constructors etc. are not showing up properly in the Intellisense window. When I start typing a function call within the project, all goes well, but as soon as I use said project in another project (still within the same solution), VS shows funky parameter names (e.g. myobj.move(int A_0,int A_1)) instead of the names I gave them in the code. I've tried using the ///<param> thing, but that works only within the same project, not in other projects (again, in the same solution). I've enabled the /doc option in the project properties, but that didn't do it. Is there a way to feed the generated XML file (or .xdc I guess?) into Intellisense? Thanks in advance!
This happens when you declare the function prototype in a header file without the argument names:
#file.h
ref class A
{
void move(int ,int );
}
You should just add the names you want:
file.h
ref class A
{
void move(int MyArgument1,int MyOtherArgument);
}
This question already has answers here:
What does the caret (‘^’) mean in C++/CLI?
(8 answers)
Closed 8 years ago.
I see this code in c++ template examples:
void Main(array<String^>^ args)
but I don't understand the reason for the ^ terminating the String and closing angle bracket.
Is it to allow multiple types or something? If someone could someone straighten me out, I would appreciate it. Thanks!
This code is C++/CLI (C++ .NET). String^ is the equivalent of the String class in C#. It's different from std::string. Furthermore, array is a C++/CLI specific class (it's not a standard STL container).
This question already has answers here:
Closed 10 years ago.
Possible Duplicate:
Dynamically creating functions in c
Here is an example of what I'd like to do:
void attribute((constructor)) someFunction() {
// Would be nice to define C function "someFunction2" somehow here.
}
I know class_addMethod allows adding C functions to Objective-C classes during runtime.
Is it possible to add C function to C main space?
Please, don't tell me I'm wrong if I'm thinking about this way of doing things - I am interested in it rather for educational purposes.
No. A C function consists of a name and a body. The compiler transforms the body to a binary piece of executable code that will be mapped to some address when a process is created from the executable. The name is used by the static and dynamic linkers as an alias to this address.
At runtime both concepts aren't really of much interest. The executable is loaded and names are resolved, so there's little use in creating them dynamically.
On iOS it would even be impossible to create new function implementations as the kernel disallows to make memory executable.
This question already has answers here:
What does the C++/CLI Object^% (caret percent-sign) declaration mean?
(5 answers)
Closed 7 years ago.
i have a c# project AAA with the project type “class library", in another c++ project, it add the AAA.DLL in the reference, in the source code
void CTest:OnCallback(OperationCallbackInfo^% oci)
OperationCallbackInfo is class defined in AAA.dll
my question is: what does the symbol ^ and % mean in the parameter?
It means what you have isn't really C++ at all, but C++/CLI, Microsoft's proprietary version of the language for .NET.
If memory serves, ^% is the syntax for a "tracking reference". It means (at least pretty much) the same as ref does in C#. From a C++ point of view, it's pretty much the same as defining a parameter as a reference to a pointer.
According to this question, it's a "handle", which is a reference (similar to a pointer) in managed C++.