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Remove a bunch of function pointers in the output stage; they are
never changed and don't add any value. Also make "ofile" a global
variable and let the backend use it directly.
All we ever did with these variables were stashing it in locals and
using them as-is anyway for no benefit.
Also change the global error function, nasm_error() into a true
function which invokes a function pointer internally. That lets us
use direct calls to it.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Add copyright headers to the *.c/*.h files in the main directory. For
files where I'm sure enough that we have all the approvals, I have
given them the 2-BSD license, the others have been given the "LGPL for
now" license header. Most of them can probably be changed after
auditing.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Provide saa_writeaddr() to write an integer in x86 format.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Apply standard indentation to the SAA code, not sure why it was
different...
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Introduce the likely() and unlikely() macros, as used in Linux.
They are compiler-dependent hints that a particular boolean expression
is likely to be true or false, respectively.
Currently only implemented for gcc.
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We can actually use the shift optimization whenever blk_len ==
SAA_BLKLEN, which will be true for all powers of two.
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In practice, we only ever use the seeking functions on byte arrays
(elem_len == 1). Optimize for that case, to avoid a general divmod
operation.
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Move all the SAA code out of nasmlib; it's not used by anything than
nasm itself. Cleaning out the kitchen sink known as nasmlib is a good
thing, too.
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