Support GAS syntax

[13xforever]

This was one of the most requested features. Current docs are here. Relevant branch: sublime-syntax

• [ ] Syntax
  • [ ] Preprocessing
  • [ ] Whitespace
  • [ ] Comments
  • [ ] Symbols
  • [ ] Statements
  • [ ] Constants
    • [ ] Character Constants
    • [ ] Number Constants
• [ ] Sections and Relocation
  • [ ] Background
  • [ ] Linker Sections
  • [ ] Assembler Internal Sections
  • [ ] Sub-Sections
  • [ ] bss Section
• [ ] Symbols
  • [ ] Labels
  • [ ] Giving Symbols Other Values
  • [ ] Symbol Names
  • [ ] The Special Dot Symbol
  • [ ] Symbol Attributes
    • [ ] Value
    • [ ] Type
    • [ ] Symbol Attributes: a.out
    • [ ] Symbol Attributes for COFF
    • [ ] Symbol Attributes for SOM
• [ ] Expressions
  • [ ] Empty Expressions
  • [ ] Integer Expressions
    • [ ] Arguments
    • [ ] Operators
    • [ ] Prefix Operator
    • [ ] Infix Operators
• [ ] Assembler Directives
  • [ ] .abort
  • [ ] .ABORT (COFF)
  • [ ] .align abs-expr, abs-expr, abs-expr
  • [ ] .altmacro
  • [ ] .ascii "string"…
  • [ ] .asciz "string"…
  • [ ] .balign[wl] abs-expr, abs-expr, abs-expr
  • [ ] Bundle directives
  • [ ] .byte expressions
  • [ ] CFI directives
  • [ ] .comm symbol , length
  • [ ] .data subsection
  • [ ] .def name
  • [ ] .desc symbol, abs-expression
  • [ ] .dim
  • [ ] .double flonums
  • [ ] .eject
  • [ ] .else
  • [ ] .elseif
  • [ ] .end
  • [ ] .endef
  • [ ] .endfunc
  • [ ] .endif
  • [ ] .equ symbol, expression
  • [ ] .equiv symbol, expression
  • [ ] .eqv symbol, expression
  • [ ] .err
  • [ ] .error "string"
  • [ ] .exitm
  • [ ] .extern
  • [ ] .fail expression
  • [ ] .file
  • [ ] .fill repeat , size , value
  • [ ] .float flonums
  • [ ] .func name[,label]
  • [ ] .global symbol, .globl symbol
  • [ ] .gnu_attribute tag,value
  • [ ] .hidden names
  • [ ] .hword expressions
  • [ ] .ident
  • [ ] .if absolute expression
  • [ ] .incbin "file"[,skip[,count]]
  • [ ] .include "file"
  • [ ] .int expressions
  • [ ] .internal names
  • [ ] .irp symbol,values…
  • [ ] .irpc symbol,values…
  • [ ] .lcomm symbol , length
  • [ ] .lflags
  • [ ] .line line-number
  • [ ] .linkonce [type]
  • [ ] .list
  • [ ] .ln line-number
  • [ ] .loc fileno lineno [column] [options]
  • [ ] .loc_mark_labels enable
  • [ ] .local names
  • [ ] .long expressions
  • [ ] .macro
  • [ ] .mri val
  • [ ] .noaltmacro
  • [ ] .nolist
  • [ ] .octa bignums
  • [ ] .offset loc
  • [ ] .org new-lc , fill
  • [ ] .p2align[wl] abs-expr, abs-expr, abs-expr
  • [ ] .popsection
  • [ ] .previous
  • [ ] .print string
  • [ ] .protected names
  • [ ] .psize lines , columns
  • [ ] .purgem name
  • [ ] .pushsection name [, subsection] [, "flags"[, @type[,arguments]]]
  • [ ] .quad bignums
  • [ ] .reloc offset, reloc_name[, expression]
  • [ ] .rept count
  • [ ] .sbttl "subheading"
  • [ ] .scl class
  • [ ] .section name
  • [ ] .set symbol, expression
  • [ ] .short expressions
  • [ ] .single flonums
  • [ ] .size
  • [ ] .skip size , fill
  • [ ] .sleb128 expressions
  • [ ] .space size , fill
  • [ ] .stabd, .stabn, .stabs
  • [ ] .string "str", .string8 "str", .string16
  • [ ] .struct expression
  • [ ] .subsection name
  • [ ] .symver
  • [ ] .tag structname
  • [ ] .text subsection
  • [ ] .title "heading"
  • [ ] .type
  • [ ] .uleb128 expressions
  • [ ] .val addr
  • [ ] .version "string"
  • [ ] .vtable_entry table, offset
  • [ ] .vtable_inherit child, parent
  • [ ] .warning "string"
  • [ ] .weak names
  • [ ] .weakref alias, target
  • [ ] .word expressions
  • [ ] .zero size
  • [ ] .2byte expression [, expression]*
  • [ ] .4byte expression [, expression]*
  • [ ] .8byte expression [, expression]*
  • [ ] Deprecated Directives
• [ ] Object Attributes
  • [ ] GNU Object Attributes
  • [ ] Defining New Object Attributes
• [ ] Machine Dependent Features
  • [ ] 80386 Dependent Features
    • [ ] Options
    • [ ] x86 specific Directives
    • [ ] i386 Syntactical Considerations
    • [ ] i386-Mnemonics
    • [ ] Register Naming
    • [ ] Instruction Prefixes
    • [ ] Memory References
    • [ ] Handling of Jump Instructions
    • [ ] Floating Point
    • [ ] Intel’s MMX and AMD’s 3DNow! SIMD Operations
    • [ ] AMD’s Lightweight Profiling Instructions
    • [ ] Bit Manipulation Instructions
    • [ ] AMD’s Trailing Bit Manipulation Instructions
    • [ ] Writing 16-bit Code
    • [ ] Specifying CPU Architecture
    • [ ] AT&T Syntax bugs
    • [ ] Notes
  • [ ] IA-64 Dependent Features
    • [ ] Options
    • [ ] Syntax
      • [ ] Special Characters
      • [ ] Register Names
      • [ ] IA-64 Processor-Status-Register (PSR) Bit Names
      • [ ] Relocations
    • [ ] Opcodes