>>>>> "JAM" == J A Magallon <jamagallon@able.es> writes:
JAM> That is not the problem. The problem is that the registers have
JAM> to lay in a defined way, transcribed to a C struct, and that
JAM> pgcc lays badly that struct.
WJP> Yes, I understand that. I was showing a way to find the value
WJP> of padding needed to align the register store in the structure.
WJP> Perhaps I should have shown a mod to asm/processor.h,
[snip]
WJP> I was describing a way to make things independent of the
WJP> compiler layout of the structs. However, this complicates the
WJP> build process, and people might not like the padding due to
WJP> cache alignment details.
Sorry, they would obviously declare it as such if the kernel developers
wanted to.
/* floating point info */
unsigned char fpAlign[0] __attribute__ ((aligned (16)));
union i387_union i387;
This is a much simpler way of achieving what I was trying to explain
previously. I think that this syntax has been in the GCC extensions
for some time.
regards,
Bill Pringlemeir.
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This archive was generated by hypermail 2b29 : Wed May 23 2001 - 21:00:30 EST