syscall.sh / microblaze / pidfd_getfd

pidfd_getfd

obtain a duplicate of another process's file descriptor

sys_pidfd_getfd(int pidfd, int fd, unsigned int flags)
number438 (0x1b6)
abicommon
entry pointsys_pidfd_getfd
sinceLinux 5.6
man pagepidfd_getfd(2)
sourceelixir.bootlin.com

Registers

registervalue
r12438, the syscall number
r5int pidfd
r6int fd
r7unsigned int flags
r3the return value

Then run brki r14,8 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/microblaze/pidfd_getfd