pkey_alloc on ia32
allocate or free a protection key
sys_pkey_alloc(unsigned long flags, unsigned long init_val)| number | 381 (0x17d) |
|---|---|
| abi | i386 |
| kconfig | CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS |
| family | pkeys |
| entry point | sys_pkey_alloc |
| since | Linux 4.9 |
| man page | pkey_alloc(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
eax | 381, the syscall number |
ebx | unsigned long flags |
ecx | unsigned long init_val |
eax | the return value |
Then run int 0x80 to enter the kernel.
This compat ABI is only available when the kernel is built with CONFIG_IA32_EMULATION.
Same syscall on other architectures
- x64 330
- x86 381
- arm64 289
- arm 395
- riscv64 289
- x32 1073742154
- loongarch64 289
- ppc64 384
- ppc 384
- s390x 385
- mips64 5324
- mipsn32 6328
- mipso32 4364
- alpha 525
- arc 289
- csky 289
- hexagon 289
- m68k 382
- microblaze 396
- nios2 289
- openrisc 289
- parisc 352
- sh 385
- sparc 363
- sparc64 363
- xtensa 349
Get this as JSON: https://api.syscall.sh/v2/syscalls/ia32/pkey_alloc