munmap on m32r

map or unmap files or devices into memory

sys_munmap(unsigned long addr, size_t len)
number91 (0x5b)
abicommon
entry pointsys_munmap
sinceLinux 3.3 or earlier (3.3 is the first release scanned for m32r)
man pagemunmap(2)
sourceelixir.bootlin.com

Registers

registervalue
r791, the syscall number
r0unsigned long addr
r1size_t len
r0the return value

Then run trap #2 to enter the kernel.

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/m32r/munmap?kernel=all