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In a stack machine, the operands used in the instructions are always at a known offset (set in the stack pointer), from a fixed location (the bottom of the stack, which in a hardware design might always be at memory location zero), saving precious in-cache or in-CPU storage from being used to store quite so many memory addresses or index ...
The cdecl (which stands for C declaration) is a calling convention for the programming language C and is used by many C compilers for the x86 architecture. [1] In cdecl, subroutine arguments are passed on the stack.
The Android Native Development Kit (NDK) provides a cross-compiling tool for compiling code written in C/C++ can be compiled to ARM, or x86 native code (or their 64-bit variants) for Android. [4] [5] The NDK uses the Clang compiler to compile C/C++. GCC was included until NDK r17, but removed in r18 in 2018.
The main hardware platform for Android is ARM (i.e. the 64-bit ARMv8-A architecture and previously 32-bit such as ARMv7), and x86 and x86-64 architectures were once also officially supported in later versions of Android. [146] [147] [148] The unofficial Android-x86 project provided support for x86 architectures ahead of the official support.
In Objective-C, a trampoline is an object returned by a method that captures and reifies all messages sent to it and then "bounces" those messages on to another object, for example in higher order messaging. [6] In the GCC compiler, trampoline refers to a technique for implementing pointers to nested functions when -ftrampolines option is ...
It fully supports cross-compiling for 8-bit, 16-bit, 32-bit and 64-bit architectures. Embedded systems are supported by features such as different pointer sizes, ROM-able code, inline assembly, bit-types, interrupt handlers, section attributes, and stack usage calculation (depending on the backend).
In addition, four environments are provided containing native compilers, build tools and libraries that can be directly used to build native Windows 32-bit or 64-bit programs. The final programs built with the two native environments don't use any kind of emulation and can run or be distributed like native Windows programs.
The ABI took shape in 1990 and was never updated since 1994. It is only defined for 32-bit MIPS, but GCC has created a 64-bit variation called O64. [9] For 64-bit, the N64 ABI (not related to Nintendo 64) by Silicon Graphics is most commonly used. The most important improvement is that eight registers are now available for argument passing; It ...