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O que é assembler? - Stack Overflow em Português
17 Assembler Assembler, como o próprio nome diz é um montador, e não um compilador, ainda que ele funcione de forma muito semelhante. Ele pega um texto que é um código de programação e transforma em código binário (código de máquina).

terminology - "Assembly" vs. "Assembler" - Stack Overflow
Then an "assembler" is a device that takes individual machine instructions an puts them together into an "assembly".

x86 - How Do You Make An Assembler? - Stack Overflow
The assembler understands only three different assembler codes "mov eax,immed32", "add eax,immed32", "and eax,immed32" and no data nor labels. It will produce a tiny Windows PE executable which outputs eax in hex at the end.

bitwise operators - What does the 'and' instruction do to the operands ...
This should be described in the documentation for any assembler that has an and instruction. It does a bit-wise Boolean "and" between two operands. In other words, corresponding bits (bit n in each operand) are anded, in the Boolean operation sense, giving bit n of the result. In Boolean logic, 1 and 1 = 1, but 0 and x (anything else) = 0. Thus, 10111010 and 01101011 results in 00101010. If ...

Why use LDR over MOV (or vice versa) for constants in ARM assembly?
and you see the assembler has added the data word for you and changed the ldr into a pc relative for you. now if you use an immediate that does fit in a mov instruction, then depending on the assembler perhaps, certainly with the gnu as I am using, it turned it into a mov for me top: add r1,r2,r3 ldr r0,=0x12345678 ldr r5,=1 mov r6,#1 eor r1,r2,r3

x86 - What does ORG Assembly Instruction do? - Stack Overflow
can anyone give me a comprehensive description about ORG directive? When and why is it used in assembly written applications? Using Nasm on x86 or AMD64.

How do I write assembly for Windows x86 using GAS?
To see how the assembler is being called, add -v. If you want to read assembly as generated by gcc, it might be better to switch off debug info generation (-g0). When using link-time optimization (LTO as of -flto), then gcc will only add LTO byte-code to assembly, except with -ffat-lto-objects.

Executing assembler code with python - Stack Overflow
An assembler just has to read text files and write binary files. Whether or not you call that "low level", it has nothing to do with executing custom asm / machine code inside your python program. i.e. there's no reason an assembler written in Python wouldn't be able to assemble x86 asm into x86 machine code while running on an ARM system.

How do I start learning Assembly - Stack Overflow
The best part is that if you want to learn a different assembler, you can just compile gcc as cross compiler, and produce assembler for any supported platform. Remember to disable optimizations with -O0, otherwise you could find strange tricks.

What do C and Assembler actually compile to? [closed]
Assembler (a human readable macro language which is translated to machine code) != Assembly (the binary file generated by common language infrastructure compilers, where each operation has a binary string). I think you may have misunderstanding.

 

 

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