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ARM彙編和Gnu彙編的轉換

將ARM ADS下的彙編碼移植到GCC for ARM編譯器時，有如下規則：

1, 註釋行以"@"或"/* ... */"代替";"

2, GET或INCLUDE => .INCLUDE

如：get option.a => .include "option.a"

3, EQU => .equ

TCLK2 EQU PB25 => .equ TCLK2, PB25

SETA ==> .equ

SETL ==> .equ

BUSWIDTH SETA 16 => .equ BUSWIDTH, 16

4, EXPORT => .global

IMPORT => .extern

GBLL => .global

GBLA => .global

5, DCD => .long

6, IF :DEF: => .IFDEF

ELSE => .ELSE

ENDIF => .ENDIF

:OR: => |

:SHL: => <<

7, END =>.end

NOTE:在被include的標頭檔案中，如"option.a"中，不再需要.end，否則會導致主組譯器結束。

8, 象徵式定義加"："號

Entry => Entry:

AREA Word, CODE, READONLY ==> .text

AREA Block, DATA, READWRITE ==> .data

CODE32 ==> .arm

CODE16 ==> .thumb

9, MACRO ==> .macro

MEND ==> .endm

文章出處：http://www.diybl.com/course/6_system/linux/Linuxjs/200871/129550.html