syscall.sh / parisc / sigprocmask

sigprocmask

examine and change blocked signals

sys_sigprocmask(int how, old_sigset_t *nset, old_sigset_t *oset)

number	126 (0x7e)
abi	common
entry point	`sys_sigprocmask`
since	Linux 5.0
man page	sigprocmask(2)
source	elixir.bootlin.com

Registers

register	value
`r20`	126, the syscall number
`r26`	int how
`r25`	old_sigset_t *nset
`r24`	old_sigset_t *oset
`r28`	the return value

Then run ble 0x100(%sr2, %r0) to enter the kernel.

Same syscall on other architectures

x86 126
arm 126
ppc 126
s390x 126
mipso32 4126
m68k 126
microblaze 126
sh 126
sparc 220
sparc64 220

Get this as JSON: https://api.syscall.sh/v2/syscalls/parisc/sigprocmask