syscall.sh / microblaze / kcmp

kcmp

compare two processes to determine if they share a kernel resource

sys_kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2)
number379 (0x17b)
abicommon
entry pointsys_kcmp
sinceLinux 5.0
man pagekcmp(2)
sourceelixir.bootlin.com

Registers

registervalue
r12379, the syscall number
r5pid_t pid1
r6pid_t pid2
r7int type
r8unsigned long idx1
r9unsigned long idx2
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/kcmp