2014/10/15 下午 10:04:02

iphone Programming Glossary: asm

Workflow for writing ARM assembly code on the iphone

http://stackoverflow.com/questions/1579950/workflow-for-writing-arm-assembly-code-on-the-iphone

to write assembly code specifically for the iPhone but like the other people said here you can either 1 write inline asm statements in C C ObjC code or 2 write standalone assembly functions in a '.s' file and simply add it in your XCode sources.. I am using the XCode gcc assembler and it is quite lacking compared to NASM. You can get NASM for free at http www.nasm.us Once you have setup your assembler environment you need to learn how to write ARM Assembly code Because the iPhone and.. use the ARM instruction set. There is a very good but old intro to ARM assembly at http www.coranac.com tonc text asm.htm . When it comes to assembly programming the official instruction set reference manual is usually the main source of..

Conditional Compilation in assembler (.s) code for iPhone - how?

http://stackoverflow.com/questions/1709850/conditional-compilation-in-assembler-s-code-for-iphone-how

recognized when in fact they work just fine. This works #import TargetConditionals.h #if TARGET_IPHONE_SIMULATOR ... asm code here ... #endif iphone assembly compilation conditional arm share improve this question You do do it with a pre..

Why does assert simply terminate a program compiled for iPhone?

http://stackoverflow.com/questions/2000977/why-does-assert-simply-terminate-a-program-compiled-for-iphone

as I'd expect. I made a workaround by implementing my own kinda assert to the effect of #define AssertLite b if b asm int 3 fluff omitted but I wonder if anyone ever encountered this. I could not determine a pattern as to when does it break..

How do I do inline assembly on the IPhone?

http://stackoverflow.com/questions/238010/how-do-i-do-inline-assembly-on-the-iphone

help over at the Apple Devforums you should sign up if you're a dedicated IPhone developer. First thing's first it's __asm__ not plain asm . Secondly by default XCode generates a compilation target that compiles inline assembly against the ARM.. Apple Devforums you should sign up if you're a dedicated IPhone developer. First thing's first it's __asm__ not plain asm . Secondly by default XCode generates a compilation target that compiles inline assembly against the ARM Thumb instruction.. Compile for Thumb . Then this following snippet will compile just fine if you set the Active SDK to Device inline int asm_saturate_to_255 int a int y __asm__ usat 0 #8 1 n t r y r a return y Naturally now it won't work with the IPhone Simulator...

FFMPEG integration on iphone/ ipad project

http://stackoverflow.com/questions/6854190/ffmpeg-integration-on-iphone-ipad-project

Platforms iPhoneSimulator.platform Developer SDKs iPhoneSimulator6.0.sdk arch i386 cpu i386 enable pic disable asm Please note the last disable asm tag. If you forget to include this tag you will likely to receive this error cc1 error.. Developer SDKs iPhoneSimulator6.0.sdk arch i386 cpu i386 enable pic disable asm Please note the last disable asm tag. If you forget to include this tag you will likely to receive this error cc1 error in backend Ran out of registers during..