diff options
Diffstat (limited to 'lib/mlibc/sysdeps/aero/generic/aero.cpp')
-rw-r--r-- | lib/mlibc/sysdeps/aero/generic/aero.cpp | 360 |
1 files changed, 0 insertions, 360 deletions
diff --git a/lib/mlibc/sysdeps/aero/generic/aero.cpp b/lib/mlibc/sysdeps/aero/generic/aero.cpp deleted file mode 100644 index e6bd277..0000000 --- a/lib/mlibc/sysdeps/aero/generic/aero.cpp +++ /dev/null @@ -1,360 +0,0 @@ -#include <abi-bits/pid_t.h> -#include <aero/syscall.h> -#include <bits/ensure.h> -#include <errno.h> -#include <mlibc/all-sysdeps.hpp> -#include <mlibc/debug.hpp> -#include <mlibc/thread-entry.hpp> -#include <stddef.h> - -#include <frg/vector.hpp> -#include <mlibc/allocator.hpp> - -#define ARCH_SET_GS 0x1001 -#define ARCH_SET_FS 0x1002 -#define ARCH_GET_FS 0x1003 -#define ARCH_GET_GS 0x1004 - -struct Slice { - void *ptr; - uint64_t len; -}; - -/// Helper function to construct a slice vector from the provided argument -/// array. A slice basically consists of a pointer to the data and the length of -/// it. -/// -/// ## Examples -/// ```cc -/// auto slice = create_slice({ "hello", "world" }); -/// ``` -/// -/// The `slice` will look like the following: -/// -/// ```cc -/// vector<Slice>( -/// Slice { .ptr: hello_ptr, .size: hello_size }, -/// Slice { .ptr: world_ptr, .size: world_size } -/// ) -/// ``` -static frg::vector<Slice, MemoryAllocator> create_slice(char *const arg[]) { - if (arg == nullptr) { - return frg::vector<Slice, MemoryAllocator>{getAllocator()}; - } - - // Find out the length of arg: - size_t len = 0; - - while (arg[len] != nullptr) { - len += 1; - } - - frg::vector<Slice, MemoryAllocator> params{getAllocator()}; - params.resize(len); - - // Construct the slice vector: - for (size_t i = 0; i < len; ++i) { - params[i].ptr = (void *)arg[i]; - params[i].len = strlen(arg[i]); - } - - return params; -} - -namespace mlibc { -int sys_uname(struct utsname *buf) { - auto result = syscall(SYS_UNAME, buf); - - if (result < 0) { - return -result; - } - - return result; -} - -int sys_futex_wait(int *pointer, int expected, const struct timespec *time) { - // auto result = syscall(SYS_FUTEX_WAIT, pointer, expected, time); - // - // if (result < 0) { - // return -result; - // } - // - return 0; -} - -int sys_futex_wake(int *pointer) { - // auto result = syscall(SYS_FUTEX_WAKE, pointer); - // - // if (result < 0) { - // return -result; - // } - // - return 0; -} - -int sys_tcb_set(void *pointer) { - auto result = syscall(SYS_ARCH_PRCTL, ARCH_SET_FS, (uint64_t)pointer); - - if (result < 0) { - return -result; - } - - return 0; -} - -int sys_vm_map(void *hint, size_t size, int prot, int flags, int fd, - off_t offset, void **window) { - auto result = syscall(SYS_MMAP, hint, size, prot, flags, fd, offset); - - if (result < 0) { - return -result; - } - - *window = (void *)result; - return 0; -} - -int sys_vm_unmap(void *address, size_t size) { - return syscall(SYS_MUNMAP, address, size); -} - -int sys_vm_protect(void *pointer, size_t size, int prot) { - auto res = syscall(SYS_MPROTECT, pointer, size, prot); - if (res < 0) - return -res; - - return 0; -} - -int sys_anon_allocate(size_t size, void **pointer) { - return sys_vm_map(nullptr, size, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANONYMOUS, -1, 0, pointer); -} - -int sys_anon_free(void *pointer, size_t size) { - return sys_vm_unmap(pointer, size); -} - -void sys_libc_panic() { - mlibc::infoLogger() << "libc_panic: panicked at 'unknown'" << frg::endlog; - __ensure(!syscall(SYS_BACKTRACE)); - - sys_exit(1); -} - -void sys_libc_log(const char *msg) { syscall(SYS_LOG, msg, strlen(msg)); } - -void sys_exit(int status) { - syscall(SYS_EXIT, status); - - __builtin_unreachable(); -} - -#ifndef MLIBC_BUILDING_RTDL - -pid_t sys_getpid() { - auto result = syscall(SYS_GETPID); - __ensure(result >= 0); - - return result; -} - -pid_t sys_getppid() { - auto result = syscall(SYS_GETPPID); - __ensure(result != 0); - - return result; -} - -int sys_kill(int pid, int sig) { - auto result = syscall(SYS_KILL, pid, sig); - - if (result < 0) { - return -result; - } - - return 0; -} - -int sys_clock_get(int clock, time_t *secs, long *nanos) { - struct timespec ts; - auto result = syscall(SYS_GETTIME, clock, &ts); - - if (result < 0) { - return -result; - } - - *secs = ts.tv_sec; - *nanos = ts.tv_nsec; - - return 0; -} - -int sys_getcwd(char *buffer, size_t size) { - auto result = syscall(SYS_GETCWD, buffer, size); - - if (result < 0) { - return -result; - } - - return 0; -} - -int sys_chdir(const char *path) { - auto result = syscall(SYS_CHDIR, path, strlen(path)); - - if (result < 0) { - return -result; - } - - return 0; -} - -int sys_gethostname(char *buffer, size_t bufsize) { - auto result = syscall(SYS_GETHOSTNAME, buffer, bufsize); - - if (result < 0) { - return -result; - } - - return 0; -} - -int sys_sleep(time_t *sec, long *nanosec) { - struct timespec ts = {.tv_sec = *sec, .tv_nsec = *nanosec}; - - auto result = syscall(SYS_SLEEP, &ts); - - if (result < 0) { - return -result; - } - - return 0; -} - -pid_t sys_getpgid(pid_t pid, pid_t *pgid) { - auto ret = syscall(SYS_GETPGID, pid); - if(int e = sc_error(ret); e) - return e; - *pgid = ret; - return 0; -} - -int sys_setpgid(pid_t pid, pid_t pgid) { - auto ret = syscall(SYS_SETPGID, pid, pgid); - if(int e = sc_error(ret); e) - return e; - return 0; -} - -uid_t sys_getuid() { - mlibc::infoLogger() << "mlibc: sys_setuid is a stub" << frg::endlog; - return 0; -} - -uid_t sys_geteuid() { - mlibc::infoLogger() << "mlibc: sys_seteuid is a stub" << frg::endlog; - return 0; -} - -int sys_setsid(pid_t *sid) { - auto ret = syscall(SYS_SETSID); - if(int e = sc_error(ret); e) - return e; - *sid = ret; - return 0; -} - -int sys_seteuid(uid_t euid) UNIMPLEMENTED("sys_seteuid") - - gid_t sys_getgid() { - mlibc::infoLogger() << "mlibc: sys_setgid is a stub" << frg::endlog; - return 0; -} - -gid_t sys_getegid() { - mlibc::infoLogger() << "mlibc: sys_getegid is a stub" << frg::endlog; - return 0; -} - -int sys_setgid(gid_t gid) { - mlibc::infoLogger() << "mlibc: sys_setgid is a stub" << frg::endlog; - return 0; -} - -int sys_setegid(gid_t egid) { - mlibc::infoLogger() << "mlibc: sys_setegid is a stub" << frg::endlog; - return 0; -} - -void sys_yield() { - mlibc::infoLogger() << "mlibc: sys_yield is a stub" << frg::endlog; - __ensure(!syscall(SYS_BACKTRACE)); -} - -int sys_clone(void *tcb, pid_t *tid_out, void *stack) { - auto result = syscall(SYS_CLONE, (uintptr_t)__mlibc_start_thread, stack); - - if (result < 0) { - return -result; - } - - *tid_out = (pid_t)result; - return 0; -} - -void sys_thread_exit() UNIMPLEMENTED("sys_thread_exit") - - int sys_waitpid(pid_t pid, int *status, int flags, struct rusage *ru, - pid_t *ret_pid) { - if (ru) { - mlibc::infoLogger() - << "mlibc: struct rusage in sys_waitpid is unsupported" - << frg::endlog; - return ENOSYS; - } - - auto result = syscall(SYS_WAITPID, pid, status, flags); - - if (result < 0) { - return -result; - } - - *ret_pid = result; - return 0; -} - -int sys_fork(pid_t *child) { - auto result = syscall(SYS_FORK); - - if (result < 0) { - return -result; - } - - *child = result; - return 0; -} - -int sys_execve(const char *path, char *const argv[], char *const envp[]) { - auto envv_slice = create_slice(envp); - auto argv_slice = create_slice(argv); - - auto path_ptr = (uintptr_t)path; - auto path_len = strlen(path); - - auto result = - syscall(SYS_EXEC, path_ptr, path_len, argv_slice.data(), - argv_slice.size(), envv_slice.data(), envv_slice.size()); - - if (result < 0) { - return -result; - } - - __builtin_unreachable(); -} - -// int sys_getentropy(void *buffer, size_t length) -// UNIMPLEMENTED("sys_getentropy") - -#endif -} // namespace mlibc |