cplusplus.cpp File Reference

Implementation of C++ runtime support functions. More...

#include <runtime/cplusplus.h>
#include <common/logger.h>

Go to the source code of this file.

Functions
void	__cxa_pure_virtual ()
	Called when a virtual function is called on an object with no implementation.
void	__stack_chk_fail (void)
	Called when stack smashing is detectedf.
void	call_constructors ()
	Calls all global constructors.

Variables
void *	__dso_handle
	Define static constructors (DSO = Dynamic Shared Object)
constructor	start_ctors
	Pointer to the start of the constructors section.
constructor	end_ctors
	Pointer to the end of the constructors section.

Detailed Description

Implementation of C++ runtime support functions.

Date

30th March 2025

Author

Max Tyson

Definition in file cplusplus.cpp.

Function Documentation

__cxa_pure_virtual()

void __cxa_pure_virtual

(

)

Called when a virtual function is called on an object with no implementation.

Definition at line 21 of file cplusplus.cpp.

                                     {
    ASSERT(false, "Pure virtual function call failed");
}

References ASSERT.

__stack_chk_fail()

void __stack_chk_fail

(

void

)

Called when stack smashing is detectedf.

Definition at line 28 of file cplusplus.cpp.

{
    ASSERT(false, "Stack Smashed");
}

References MaxOS::runtime::__stack_chk_fail(), and ASSERT.

call_constructors()

void call_constructors

(

)

Calls all global constructors.

Calls the C++ static constructors.

Definition at line 39 of file cplusplus.cpp.

                                    {
    // Loop through and initialise all the global constructorsu
    for (constructor* i = &start_ctors; i != &end_ctors; i++)
        (*i)();
}

References end_ctors, and start_ctors.

Referenced by kernel_main().

Variable Documentation

__dso_handle

void* __dso_handle

Define static constructors (DSO = Dynamic Shared Object)

Definition at line 16 of file cplusplus.cpp.

end_ctors

constructor end_ctors

Pointer to the end of the constructors section.

Definition at line 34 of file cplusplus.cpp.

Referenced by call_constructors().

start_ctors

constructor start_ctors

Pointer to the start of the constructors section.

Definition at line 33 of file cplusplus.cpp.

Referenced by call_constructors().