syscall.sh / x32 / pwrite64

pwrite64

read from or write to a file descriptor at a given offset

sys_pwrite64(unsigned int fd, const char *buf, size_t count, loff_t pos)
number1073741842 (0x40000012)
abicommon
entry pointsys_pwrite64
sinceLinux 3.4
man pagepwrite64(2)
sourceelixir.bootlin.com

Registers

registervalue
rax1073741842, the syscall number
rdiunsigned int fd
rsiconst char *buf
rdxsize_t count
r10loff_t pos
raxthe return value

Then run syscall to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/x32/pwrite64