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.align expression [, expression]
name .req register name
foo .req r0 |
.unreq alias-name
req
directive. For example:
foo .req r0 .unreq foo |
An error occurs if the name is undefined. Note - this pseudo op can be used to delete builtin in register name aliases (eg 'r0'). This should only be done if it is really necessary.
.code [16|32]
.thumb
.arm
.force_thumb
.thumb_func
.thumb
.thumb_set
.set
directive in that it
creates a symbol which is an alias for another symbol (possibly not yet
defined). This directive also has the added property in that it marks
the aliased symbol as being a thumb function entry point, in the same
way that the .thumb_func
directive does.
.ltorg
GAS
maintains a separate literal pool for each section and each
sub-section. The .ltorg
directive will only affect the literal
pool of the current section and sub-section. At the end of assembly
all remaining, un-empty literal pools will automatically be dumped.
Note - older versions of GAS
would dump the current literal
pool any time a section change occurred. This is no longer done, since
it prevents accurate control of the placement of literal pools.
.pool
.unwind_fnstart
.unwind_fnend
If no personality routine has been specified then standard personality routine 0 or 1 will be used, depending on the number of unwind opcodes required.
.cantunwind
.personality name
.personalityindex index
.handlerdata
.fnend
directive will be added to the exception table entry.
Must be preceded by a .personality
or .personalityindex
directive.
.save reglist
core registers .save {r4, r5, r6, lr} stmfd sp!, {r4, r5, r6, lr} FPA registers .save f4, 2 sfmfd f4, 2, [sp]! VFP registers .save {d8, d9, d10} fstmdf sp!, {d8, d9, d10} iWMMXt registers .save {wr10, wr11} wstrd wr11, [sp, #-8]! wstrd wr10, [sp, #-8]! or .save wr11 wstrd wr11, [sp, #-8]! .save wr10 wstrd wr10, [sp, #-8]! |
.pad #count
.movsp reg
.setfp fpreg, spreg [, #offset]
The syntax of this directive is the same as the sub
or mov
instruction used to set the frame pointer. spreg must be either
sp
or mentioned in a previous .movsp
directive.
.movsp ip mov ip, sp ... .setfp fp, ip, #4 sub fp, ip, #4 |
.raw offset, byte1, ...
For example .unwind_raw 4, 0xb1, 0x01
is equivalent to
.save {r0}
.cpu name
.arch name
.fpu name
.eabi_attribute tag, value
number
, "string"
, or number, "string"
depending on the tag.
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