d5d97bed - arm64 lib32: prepare arm64 headers to redirect to arm

Tue, 25 Jul 2023 23:59:26 +0000

arm64 lib32: prepare arm64 headers to redirect to armIn order to compile lib32 libraries and other 32-bit code on arm64, needs to be redirected to an arm header ratherthan arm64 when building with -m32. Ifdef the arm64 headers thatare installed in /usr/include/machine and used by user-level software(including references from /usr/include/*.h) so that if __arm__ isdefined when including the arm64 version, is includedrather than using the rest of the file's contents. Some arm headershad no arm64 equivalent; headers were added just to do the redirection.These files use #error if __arm__ is not defined to guard againstconfusion. Also add an include/arm Makefile, and modify Makefilesas needed to install everything, including the arm files in/usr/include/arm. fenv.h comes from lib/msun/arm/fenv.h.The new arm64 headers are: acle-compat.h cpuinfo.h sysreg.hReviewed by: jrtc27, impDifferential Revision: https://reviews.freebsd.org/D40944 List of files: /freebsd-14.2/include/arm/Makefile

Changes in Makefile

d5d97bed - arm64 lib32: prepare arm64 headers to redirect to arm