kib 7c2eaa21fe Add support for executing the FreeBSD 1/i386 a.out binaries on amd64. ... In particular: - implement compat shims for old stat(2) variants and ogetdirentries(2); - implement delivery of signals with ancient stack frame layout and corresponding sigreturn(2); - implement old getpagesize(2); - provide a user-mode trampoline and LDT call gate for lcall $7,$0; - port a.out image activator and connect it to the build as a module on amd64. The changes are hidden under COMPAT_43. MFC after: 1 month		2011-04-01 11:16:29 +00:00
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ia32_genassym.c	Add support for executing the FreeBSD 1/i386 a.out binaries on amd64.	2011-04-01 11:16:29 +00:00
ia32_reg.h	Provide groundwork for 32-bit binary compatibility on non-x86 platforms,	2010-03-11 14:49:06 +00:00
ia32_signal.h	Add support for executing the FreeBSD 1/i386 a.out binaries on amd64.	2011-04-01 11:16:29 +00:00
ia32_sysvec.c	Add support for executing the FreeBSD 1/i386 a.out binaries on amd64.	2011-04-01 11:16:29 +00:00
ia32_util.h	Add support for executing the FreeBSD 1/i386 a.out binaries on amd64.	2011-04-01 11:16:29 +00:00