syscall.sh / csky / mmap2
mmap2
map files or devices into memory
sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long offset)| number | 222 (0xde) |
|---|---|
| abi | 32 |
| entry point | sys_mmap2 |
| since | Linux 4.20 |
| man page | mmap2(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
r7 | 222, the syscall number |
a0 | unsigned long addr |
a1 | unsigned long len |
a2 | unsigned long prot |
a3 | unsigned long flags |
r4 | unsigned long fd |
r5 | unsigned long offset |
a0 | the return value |
Then run trap 0 to enter the kernel.
Same syscall on other architectures
- x86 192
- arm 192
- ppc 192
- mipso32 4210
- arc 222
- hexagon 222
- m68k 192
- microblaze 192
- nios2 222
- openrisc 222
- parisc 89
- sh 192
- sparc 56
- xtensa 80
Get this as JSON: https://api.syscall.sh/v2/syscalls/csky/mmap2