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#### 9.42.2 SCORE Assembler Directives

A number of assembler directives are available for SCORE. The following table is far from complete.

`.set nwarn`

  Let the assembler not to generate warnings if the source machine language instructions happen data dependency.

`.set fixdd`

  Let the assembler to insert bubbles (32 bit nop instruction / 16 bit nop! Instruction) if the source machine language instructions happen data dependency.

`.set nofixdd`

  Let the assembler to generate warnings if the source machine language instructions happen data dependency. (Default)

`.set r1`

  Let the assembler not to generate warnings if the source program uses r1. allow user to use r1

`set nor1`

  Let the assembler to generate warnings if the source program uses r1. (Default)

`.sdata`

  Tell the assembler to add subsequent data into the sdata section

`.rdata`

  Tell the assembler to add subsequent data into the rdata section

`.frame "frame-register", "offset", "return-pc-register"`

  Describe a stack frame. "frame-register" is the frame register, "offset" is the distance from the frame register to the virtual frame pointer, "return-pc-register" is the return program register. You must use ".ent" before ".frame" and only one ".frame" can be used per ".ent".

`.mask "bitmask", "frameoffset"`

  Indicate which of the integer registers are saved in the current function’s stack frame, this is for the debugger to explain the frame chain.

`.ent "proc-name"`

  Set the beginning of the procedure "proc_name". Use this directive when you want to generate information for the debugger.

`.end proc-name`

  Set the end of a procedure. Use this directive to generate information for the debugger.

`.bss`

  Switch the destination of following statements into the bss section, which is used for data that is uninitialized anywhere.

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