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.text.globl _start _start: # _start is the entry point known to the linker xor %ebp, %ebp # effectively RBP := 0, mark the end of stack frames mov (%rsp), %edi # get argc from the stack (implicitly zero-extended to 64-bit) lea 8 (%rsp), %rsi # take the address of argv from the stack lea 16 (%rsp, %rdi, 8), %rdx # take the address of envp from ...
A C program may also use the exit() function specifying the integer status or exit macro as the first parameter. The return value from main is passed to the exit function, which for values zero, EXIT_SUCCESS or EXIT_FAILURE may translate it to "an implementation defined form" of successful termination or unsuccessful termination. [citation needed]
Node.js programs are invoked by running the interpreter node interpreter with a given file, so the first two arguments will be node and the name of the JavaScript source file. It is often useful to extract the rest of the arguments by slicing a sub-array from process.argv .
Node.js provides a way to create "add-ons" via a C-based API called N-API, which can be used to produce loadable (importable) .node modules from source code written in C/C++. [60] The modules can be directly loaded into memory and executed from within JS environment as simple CommonJS modules.
The code associated with a graceful exit may also take additional steps, such as closing files, to ensure that the program leaves data in a consistent, recoverable state. Graceful exits are not always desired.
The exit operation typically performs clean-up operations within the process space before returning control back to the operating system. Some systems and programming languages allow user subroutines to be registered so that they are invoked at program termination before the process actually terminates for good.
If the base register is also 0, the branch is not taken regardless of the value of the displacement register or displacement address. NOPR: 2 0x0700 or 0x070n or 0x07n0 where "n" is any 4-bit value. SuperH: NOP: 2 0x0009 MIPS: NOP: 4 0x00000000 Stands for sll r0,r0,0, meaning: Logically shift register 0 zero bits to the left and store the ...
for X := 0.1 step 0.1 to 1.0 do might be repeated 9 or 10 times, depending on rounding errors and/or the hardware and/or the compiler version. Furthermore, if the increment of X occurs by repeated addition, accumulated rounding errors may mean that the value of X in each iteration can differ quite significantly from the expected sequence 0.1, 0 ...