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authorRich Felker <dalias@aerifal.cx>2012-11-23 14:35:25 -0500
committerRich Felker <dalias@aerifal.cx>2012-11-23 14:35:25 -0500
commitc72fc23843906e2571e817a62c94cee15648b7dc (patch)
tree539517daf0b9e34cba766a89d9775722456f5c41 /tools
parentac562aa1ef4012f617583f474a8d8e5c972ed6ee (diff)
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sigcontext/mcontext cleanup for arch-specific bits
with these changes, the members/types of mcontext_t and related stuff
should closely match the glibc definitions. unlike glibc, however, the
definitions here avoid using typedefs as much as possible and work
directly with the underlying types, to minimize namespace pollution
from signal.h in the default (_BSD_SOURCE) profile.

this is a first step in improving compatibility with applications
which poke at context/register information -- mainly debuggers, trace
utilities, etc. additional definitions in ucontext.h and other headers
may be needed later.

if feature test macros are used to request a conforming namespace,
mcontext_t is replaced with an opaque structure of the equivalent size
and alignment; conforming programs cannot examine its contents anyway.
Diffstat (limited to 'tools')
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