> On May 23, 2020, at 11:08 AM, Ryo Shimizu <r...@netbsd.org> wrote: > > Module Name: src > Committed By: ryo > Date: Sat May 23 18:08:59 UTC 2020 > > Modified Files: > src/sys/arch/aarch64/aarch64: cpufunc.c cpuswitch.S exec_machdep.c > genassym.cf netbsd32_machdep.c vectors.S vm_machdep.c > src/sys/arch/aarch64/include: armreg.h machdep.h proc.h > > Log Message: > Not only the kernel thread, but also the userland PAC keys > (APIA,APIB,APDA,APDB,APGA) are now randomly initialized at exec, and switched > when context switch. > userland programs are able to perform pointer authentication on ARMv8.3+PAC > cpu.
Has any consideration be given to perhaps creating a new MACHINE_ARCH for this, or somehow otherwise decorating the ELF files to indicate their exec-ability? > > reviewd by maxv@, thanks. > > > To generate a diff of this commit: > cvs rdiff -u -r1.18 -r1.19 src/sys/arch/aarch64/aarch64/cpufunc.c > cvs rdiff -u -r1.20 -r1.21 src/sys/arch/aarch64/aarch64/cpuswitch.S > cvs rdiff -u -r1.6 -r1.7 src/sys/arch/aarch64/aarch64/exec_machdep.c > cvs rdiff -u -r1.24 -r1.25 src/sys/arch/aarch64/aarch64/genassym.cf > cvs rdiff -u -r1.12 -r1.13 src/sys/arch/aarch64/aarch64/netbsd32_machdep.c > cvs rdiff -u -r1.16 -r1.17 src/sys/arch/aarch64/aarch64/vectors.S > cvs rdiff -u -r1.7 -r1.8 src/sys/arch/aarch64/aarch64/vm_machdep.c > cvs rdiff -u -r1.44 -r1.45 src/sys/arch/aarch64/include/armreg.h > cvs rdiff -u -r1.10 -r1.11 src/sys/arch/aarch64/include/machdep.h > cvs rdiff -u -r1.6 -r1.7 src/sys/arch/aarch64/include/proc.h > > Please note that diffs are not public domain; they are subject to the > copyright notices on the relevant files. > -- thorpej
