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* riscv32: add new syscall numbersKhem Raj2024-02-291-1/+15
| | | | | | | | | | | | | | - add mount_setattr from linux v5.12 - add epoll_pwait2 from linux v5.11 - add process_madvise from linux v5.10 - add __NR_faccessat2 from linux v5.8 - add pidfd_getfd and openat2 syscall numbers from linux v5.6 - add clone3 syscall number from linux v5.3 - add process_mrelease from linux v5.15 - add futex_waitv from linux v5.16 - add set_mempolicy_home_node from linux v5.17 - add cachestat from linux v6.4 - add __NR_fchmodat2 from linux v6.6
* riscv32: add arch headersStefan O'Rear2024-02-291-0/+286
These are mostly copied from riscv64. _Addr and _Reg had to become int to match compiler-controlled parts of the ABI (result type of sizeof, etc.). There is no kernel stat struct; the userspace stat matches glibc in the sizes and offsets of all fields (including glibc's __dev_t __pad1). The jump buffer is 12 words larger to account for 12 saved double-precision floats; additionally it should be 64-bit aligned to save doubles. The syscall list was significantly revised by deleting all time32 and pre-statx syscalls, and renaming several syscalls that have different names depending on __BITS_PER_LONG, notably mmap2 and _llseek. futex was added as an alias to futex_time64 since it is widely used by software which does not pass time arguments.