dup3 on metag

duplicate a file descriptor

sys_dup3(unsigned int oldfd, unsigned int newfd, int flags)
number24 (0x18)
abicommon
entry pointsys_dup3
sinceLinux 3.9 or earlier (3.9 is the first release scanned for metag)
man pagedup3(2)
sourceelixir.bootlin.com

Registers

registervalue
D1Re024, the syscall number
D1Ar1unsigned int oldfd
D0Ar2unsigned int newfd
D1Ar3int flags
D0Re0the return value

Then run SWITCH #0x440001 to enter the kernel.

Values wider than one register are packed into consecutive arguments.

This architecture was removed from the Linux kernel in Linux 4.17. The newest release with a syscall table here is Linux 4.16. The other removed architectures live on the historical architectures page.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/metag/dup3?kernel=all