What is a stack pointer? A stack pointer is a type of pointer used to keep track of the top of the stack. It points to the place in memory where the top element of the stack is stored. When an element is pushed
Shing KongDavid DitzelEdmund KellyUSUS5430864 * Oct 11, 1994 Jul 4, 1995 Sun Microsystems, Inc. Extending computer architecture from 32-bits to 64-bits by using the most significant bit of the stack pointer register to indicate word size...
(or moved forward), and when an element is popped off the stack, the stack pointer is decremented (or moved back). how does the pop operation work in a stack? the pop operation removes the top element from the stack and returns it. if the stack is implemented as an array, this ...
This makes it important to identify and address these issues early in the development process. Here are some of the common bugs: Crashes: The app stops working abruptly for no apparent reason. This usually occurs due to low memory space, unmanaged exceptions, and/or pointer de-references. ...
Non-Cluster Indexes – In non-clustered indexing, the data and its associated index is kept separately the concept of pointer works here, there exists a pointer pointing towards the location of data. This type of indexing is also known as secondary indexing. There can exist multiple non-cluster...
Also note that, on the x86 architecture, the esp register always points to the "top" of the stack, and the stack "grows" downwards!So, one x86 archtitecture, pop actually increments the stack-pointer, and push actually decrements the stack-pointer....
First, the caller pushes any arguments that aren’t passed through registers onto the stack in a certain order. Then, the x86 CALL instruction pushes the return address onto the stack and jumps to the first instruction in the callee. If frame pointer omission (FPO) optimization doesn’t take...
create a pointer object. conn.set_character_set('utf8', collation=none) # set the character set. the character sets of the client and server must be the same. otherwise, an error is reported. # start a transaction. conn.begin() # create a table. cur.execute("create table student(id...
It may also be "full" (the stack pointer points at the top of stack) or "empty" (the stack pointer points just past the top of stack, where the next element would be pushed). The full/empty terminology is used in the Acorn Risc Machine and possibly elsewhere.In a list-based or fun...
In this step, the storage backend system copies the pointer of the source disk to the snapshot, and the pointer of the snapshot points to the storage location of source disk data. Writing data into the source disk: When an instance sends a request to write data into the source disk ...