From bd5969fc876a10b18613302db7087ef3c40f18e1 Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Thu, 7 Mar 2024 17:28:00 -0500 Subject: lib: Add mlibc Signed-off-by: Ian Moffett --- lib/mlibc/sysdeps/dripos/crt-x86_64/crt1.S | 9 + lib/mlibc/sysdeps/dripos/generic/entry.cpp | 35 +++ lib/mlibc/sysdeps/dripos/generic/generic.cpp | 298 +++++++++++++++++++++ lib/mlibc/sysdeps/dripos/generic/thread.cpp | 53 ++++ lib/mlibc/sysdeps/dripos/generic/thread_entry.S | 11 + lib/mlibc/sysdeps/dripos/include/abi-bits/access.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/auxv.h | 1 + .../sysdeps/dripos/include/abi-bits/blkcnt_t.h | 1 + .../sysdeps/dripos/include/abi-bits/blksize_t.h | 1 + .../sysdeps/dripos/include/abi-bits/clockid_t.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/dev_t.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/epoll.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/errno.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/fcntl.h | 1 + .../sysdeps/dripos/include/abi-bits/fsblkcnt_t.h | 1 + .../sysdeps/dripos/include/abi-bits/fsfilcnt_t.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/gid_t.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/in.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/ino_t.h | 1 + .../sysdeps/dripos/include/abi-bits/inotify.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/ioctls.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/limits.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/mode_t.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/mqueue.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/msg.h | 1 + .../sysdeps/dripos/include/abi-bits/nlink_t.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/packet.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/pid_t.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/poll.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/ptrace.h | 1 + .../sysdeps/dripos/include/abi-bits/resource.h | 1 + .../sysdeps/dripos/include/abi-bits/seek-whence.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/shm.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/signal.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/socket.h | 1 + .../sysdeps/dripos/include/abi-bits/socklen_t.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/stat.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/statfs.h | 1 + .../sysdeps/dripos/include/abi-bits/statvfs.h | 1 + .../sysdeps/dripos/include/abi-bits/suseconds_t.h | 1 + .../sysdeps/dripos/include/abi-bits/termios.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/time.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/uid_t.h | 1 + .../sysdeps/dripos/include/abi-bits/utsname.h | 1 + .../sysdeps/dripos/include/abi-bits/vm-flags.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/wait.h | 1 + lib/mlibc/sysdeps/dripos/include/abi-bits/xattr.h | 1 + .../sysdeps/dripos/include/mlibc/thread-entry.hpp | 10 + lib/mlibc/sysdeps/dripos/meson.build | 71 +++++ 49 files changed, 529 insertions(+) create mode 100644 lib/mlibc/sysdeps/dripos/crt-x86_64/crt1.S create mode 100644 lib/mlibc/sysdeps/dripos/generic/entry.cpp create mode 100644 lib/mlibc/sysdeps/dripos/generic/generic.cpp create mode 100644 lib/mlibc/sysdeps/dripos/generic/thread.cpp create mode 100644 lib/mlibc/sysdeps/dripos/generic/thread_entry.S create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/access.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/auxv.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/blkcnt_t.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/blksize_t.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/clockid_t.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/dev_t.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/epoll.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/errno.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/fcntl.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/fsblkcnt_t.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/fsfilcnt_t.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/gid_t.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/in.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/ino_t.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/inotify.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/ioctls.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/limits.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/mode_t.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/mqueue.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/msg.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/nlink_t.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/packet.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/pid_t.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/poll.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/ptrace.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/resource.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/seek-whence.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/shm.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/signal.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/socket.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/socklen_t.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/stat.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/statfs.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/statvfs.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/suseconds_t.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/termios.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/time.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/uid_t.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/utsname.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/vm-flags.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/wait.h create mode 120000 lib/mlibc/sysdeps/dripos/include/abi-bits/xattr.h create mode 100644 lib/mlibc/sysdeps/dripos/include/mlibc/thread-entry.hpp create mode 100644 lib/mlibc/sysdeps/dripos/meson.build (limited to 'lib/mlibc/sysdeps/dripos') diff --git a/lib/mlibc/sysdeps/dripos/crt-x86_64/crt1.S b/lib/mlibc/sysdeps/dripos/crt-x86_64/crt1.S new file mode 100644 index 0000000..18d109e --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/crt-x86_64/crt1.S @@ -0,0 +1,9 @@ + +.section .text +.global _start +_start: + mov $main, %rdi + call __mlibc_entry + +.section .note.GNU-stack,"",%progbits + diff --git a/lib/mlibc/sysdeps/dripos/generic/entry.cpp b/lib/mlibc/sysdeps/dripos/generic/entry.cpp new file mode 100644 index 0000000..2b8b914 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/generic/entry.cpp @@ -0,0 +1,35 @@ + +#include +#include +#include +#include + +// defined by the POSIX library +void __mlibc_initLocale(); + +extern "C" uintptr_t *__dlapi_entrystack(); + +extern char **environ; +static mlibc::exec_stack_data __mlibc_stack_data; + +struct LibraryGuard { + LibraryGuard(); +}; + +static LibraryGuard guard; + +LibraryGuard::LibraryGuard() { + __mlibc_initLocale(); + + // Parse the exec() stack. + mlibc::parse_exec_stack(__dlapi_entrystack(), &__mlibc_stack_data); + mlibc::set_startup_data(__mlibc_stack_data.argc, __mlibc_stack_data.argv, + __mlibc_stack_data.envp); +} + +extern "C" void __mlibc_entry(int (*main_fn)(int argc, char *argv[], char *env[])) { + // TODO: call __dlapi_enter, otherwise static builds will break (see Linux sysdeps) + auto result = main_fn(__mlibc_stack_data.argc, __mlibc_stack_data.argv, environ); + exit(result); +} + diff --git a/lib/mlibc/sysdeps/dripos/generic/generic.cpp b/lib/mlibc/sysdeps/dripos/generic/generic.cpp new file mode 100644 index 0000000..89203c3 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/generic/generic.cpp @@ -0,0 +1,298 @@ +#include +#include +#include +#include +#include +#include +#include +#include + +namespace mlibc { + +void sys_libc_log(const char *message) { + unsigned long res; + asm volatile ("syscall" : "=a"(res) + : "a"(50), "D"(message) + : "rcx", "r11", "rdx"); +} + +void sys_libc_panic() { + mlibc::infoLogger() << "\e[31mmlibc: panic!" << frg::endlog; + asm volatile ("syscall" : + : "a"(12), "D"(1) + : "rcx", "r11", "rdx"); +} + +int sys_tcb_set(void *pointer) { + int res; + asm volatile ("syscall" : "=a"(res) + : "a"(300), "D"(pointer) + : "rcx", "r11", "rdx"); + return res; +} + +int sys_anon_allocate(size_t size, void **pointer) { + void *ret; + int sys_errno; + + asm volatile ("syscall" + : "=a"(ret), "=d"(sys_errno) + : "a"(9), "D"(0), "S"(size) + : "rcx", "r11"); + + if (!ret) + return sys_errno; + + *pointer = ret; + return 0; +} + +int sys_anon_free(void *pointer, size_t size) { + int unused_return; + int sys_errno; + + asm volatile ("syscall" + : "=a"(unused_return), "=d"(sys_errno) + : "a"(11), "D"(pointer), "S"(size) + : "rcx", "r11"); + + if (unused_return) + return sys_errno; + + return 0; +} + +#ifndef MLIBC_BUILDING_RTDL +void sys_exit(int status) { + asm volatile ("syscall" : + : "a"(12), "D"(status) + : "rcx", "r11", "rdx"); +} +#endif + +#ifndef MLIBC_BUILDING_RTDL +int sys_clock_get(int clock, time_t *secs, long *nanos) { + return 0; +} +#endif + +int sys_open(const char *path, int flags, mode_t mode, int *fd) { + int ret; + int sys_errno; + + asm volatile ("syscall" + : "=a"(ret), "=d"(sys_errno) + : "a"(2), "D"(path), "S"(flags), "d"(0) + : "rcx", "r11"); + + if (ret == -1) + return sys_errno; + + *fd = ret; + return 0; +} + +int sys_close(int fd) { + int ret; + int sys_errno; + + asm volatile ("syscall" + : "=a"(ret), "=d"(sys_errno) + : "a"(3), "D"(fd) + : "rcx", "r11"); + + if (ret == -1) + return sys_errno; + + return 0; +} + +int sys_read(int fd, void *buf, size_t count, ssize_t *bytes_read) { + ssize_t ret; + int sys_errno; + + asm volatile ("syscall" + : "=a"(ret), "=d"(sys_errno) + : "a"(0), "D"(fd), "S"(buf), "d"(count) + : "rcx", "r11"); + + if (ret == -1) + return sys_errno; + + *bytes_read = ret; + return 0; +} + +#ifndef MLIBC_BUILDING_RTDL +int sys_write(int fd, const void *buf, size_t count, ssize_t *bytes_written) { + ssize_t ret; + int sys_errno; + + asm volatile ("syscall" + : "=a"(ret), "=d"(sys_errno) + : "a"(1), "D"(fd), "S"(buf), "d"(count) + : "rcx", "r11"); + + if (ret == -1) + return sys_errno; + + *bytes_written = ret; + return 0; +} +#endif + + +int sys_seek(int fd, off_t offset, int whence, off_t *new_offset) { + off_t ret; + int sys_errno; + + asm volatile ("syscall" + : "=a"(ret), "=d"(sys_errno) + : "a"(8), "D"(fd), "S"(offset), "d"(whence) + : "rcx", "r11"); + + if (ret == -1) + return sys_errno; + + *new_offset = ret; + return 0; +} + +int sys_vm_map(void *hint, size_t size, int prot, int flags, + int fd, off_t offset, void **window) { + __ensure(flags & MAP_ANONYMOUS); + void *ret; + int sys_errno; + + // mlibc::infoLogger() << "calling sys_vm_map with size: " << size << frg::endlog; + + asm volatile ("syscall" + : "=a"(ret), "=d"(sys_errno) + : "a"(9), "D"(hint), "S"(size) + : "rcx", "r11"); + + if (!ret) + return sys_errno; + + *window = ret; + + return 0; +} + +int sys_vm_unmap(void *pointer, size_t size) { + return sys_anon_free(pointer, size); +} + +int sys_futex_wait(int *pointer, int expected, const struct timespec *time) { + uint64_t err; + asm volatile ("syscall" + : "=d"(err) + : "a"(66), "D"(pointer), "S"(expected) + : "rcx", "r11"); + + if (err) { + return -1; + } + + return 0; +} + +int sys_futex_wake(int *pointer) { + uint64_t err; + asm volatile ("syscall" + : "=d"(err) + : "a"(65), "D"(pointer) + : "rcx", "r11"); + + if (err) { + return -1; + } + + return 0; +} + +// All remaining functions are disabled in ldso. +#ifndef MLIBC_BUILDING_RTDL + +int sys_clone(void *tcb, pid_t *tid_out, void *stack) { + int tid; + + asm volatile ("syscall" + : "=a"(tid) + : "a"(67), "D"(__mlibc_start_thread), "S"(stack), "d"(tcb) + : "rcx", "r11"); + + if (tid_out) + *tid_out = tid; + + return 0; +} + +void sys_thread_exit() { + asm volatile ("syscall" + : + : "a"(68) + : "rcx", "r11"); + __builtin_trap(); +} + +int sys_sleep(time_t *secs, long *nanos) { + long ms = (*nanos / 1000000) + (*secs * 1000); + asm volatile ("syscall" + : + : "a"(6), "D"(ms) + : "rcx", "r11"); + *secs = 0; + *nanos = 0; + return 0; +} + +int sys_fork(pid_t *child) { + pid_t ret; + int sys_errno; + + asm volatile ("syscall" + : "=a"(ret), "=d"(sys_errno) + : "a"(57) + : "rcx", "r11"); + + if (ret == -1) + return sys_errno; + + *child = ret; + return 0; +} + +int sys_execve(const char *path, char *const argv[], char *const envp[]) { + int ret; + int sys_errno; + + asm volatile ("syscall" + : "=a"(ret), "=d"(sys_errno) + : "a"(59), "D"(path), "S"(argv), "d"(envp) + : "rcx", "r11"); + + if (sys_errno != 0) + return sys_errno; + + return 0; +} + +pid_t sys_getpid() { + pid_t pid; + asm volatile ("syscall" : "=a"(pid) + : "a"(5) + : "rcx", "r11", "rdx"); + return pid; +} +pid_t sys_getppid() { + pid_t ppid; + asm volatile ("syscall" : "=a"(ppid) + : "a"(14) + : "rcx", "r11", "rdx"); + return ppid; +} + +#endif // MLIBC_BUILDING_RTDL + +} // namespace mlibc diff --git a/lib/mlibc/sysdeps/dripos/generic/thread.cpp b/lib/mlibc/sysdeps/dripos/generic/thread.cpp new file mode 100644 index 0000000..42cd758 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/generic/thread.cpp @@ -0,0 +1,53 @@ +#include +#include +#include +#include +#include +#include +#include + +extern "C" void __mlibc_enter_thread(void *entry, void *user_arg, Tcb *tcb) { + // Wait until our parent sets up the TID. + while(!__atomic_load_n(&tcb->tid, __ATOMIC_RELAXED)) + mlibc::sys_futex_wait(&tcb->tid, 0, nullptr); + + if(mlibc::sys_tcb_set(tcb)) + __ensure(!"sys_tcb_set() failed"); + + tcb->invokeThreadFunc(entry, user_arg); + + auto self = reinterpret_cast(tcb); + + __atomic_store_n(&self->didExit, 1, __ATOMIC_RELEASE); + mlibc::sys_futex_wake(&self->didExit); + + mlibc::sys_thread_exit(); +} + +namespace mlibc { + +static constexpr size_t default_stacksize = 0x200000; + +int sys_prepare_stack(void **stack, void *entry, void *user_arg, void *tcb, size_t *stack_size, size_t *guard_size, void **stack_base) { + if (!*stack_size) + *stack_size = default_stacksize; + *guard_size = 0; + + if (*stack) { + *stack_base = *stack; + } else { + *stack_base = mmap(nullptr, *stack_size, + PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + } + + uintptr_t *sp = reinterpret_cast(reinterpret_cast(*stack_base) + *stack_size); + + *--sp = reinterpret_cast(tcb); + *--sp = reinterpret_cast(user_arg); + *--sp = reinterpret_cast(entry); + *stack = reinterpret_cast(sp); + return 0; +} + +} //namespace mlibc diff --git a/lib/mlibc/sysdeps/dripos/generic/thread_entry.S b/lib/mlibc/sysdeps/dripos/generic/thread_entry.S new file mode 100644 index 0000000..51e703b --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/generic/thread_entry.S @@ -0,0 +1,11 @@ + +.section .text +.global __mlibc_start_thread +__mlibc_start_thread: + pop %rdi + pop %rsi + pop %rdx + call __mlibc_enter_thread + +.section .note.GNU-stack,"",%progbits + diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/access.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/access.h new file mode 120000 index 0000000..171f75f --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/access.h @@ -0,0 +1 @@ +../../../../abis/mlibc/access.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/auxv.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/auxv.h new file mode 120000 index 0000000..866c8bb --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/auxv.h @@ -0,0 +1 @@ +../../../../abis/dripos/auxv.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/blkcnt_t.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/blkcnt_t.h new file mode 120000 index 0000000..e9d9f1b --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/blkcnt_t.h @@ -0,0 +1 @@ +../../../../abis/mlibc/blkcnt_t.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/blksize_t.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/blksize_t.h new file mode 120000 index 0000000..c6dfb6e --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/blksize_t.h @@ -0,0 +1 @@ +../../../../abis/mlibc/blksize_t.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/clockid_t.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/clockid_t.h new file mode 120000 index 0000000..71f37bb --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/clockid_t.h @@ -0,0 +1 @@ +../../../../abis/mlibc/clockid_t.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/dev_t.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/dev_t.h new file mode 120000 index 0000000..0c1143b --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/dev_t.h @@ -0,0 +1 @@ +../../../../abis/mlibc/dev_t.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/epoll.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/epoll.h new file mode 120000 index 0000000..9efc3a0 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/epoll.h @@ -0,0 +1 @@ +../../../../abis/mlibc/epoll.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/errno.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/errno.h new file mode 120000 index 0000000..2a2ab26 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/errno.h @@ -0,0 +1 @@ +../../../../abis/dripos/errno.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/fcntl.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/fcntl.h new file mode 120000 index 0000000..ea5323a --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/fcntl.h @@ -0,0 +1 @@ +../../../../abis/mlibc/fcntl.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/fsblkcnt_t.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/fsblkcnt_t.h new file mode 120000 index 0000000..898dfb2 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/fsblkcnt_t.h @@ -0,0 +1 @@ +../../../../abis/linux/fsblkcnt_t.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/fsfilcnt_t.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/fsfilcnt_t.h new file mode 120000 index 0000000..791755c --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/fsfilcnt_t.h @@ -0,0 +1 @@ +../../../../abis/linux/fsfilcnt_t.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/gid_t.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/gid_t.h new file mode 120000 index 0000000..6a77218 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/gid_t.h @@ -0,0 +1 @@ +../../../../abis/mlibc/gid_t.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/in.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/in.h new file mode 120000 index 0000000..b58c683 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/in.h @@ -0,0 +1 @@ +../../../../abis/mlibc/in.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/ino_t.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/ino_t.h new file mode 120000 index 0000000..10d644e --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/ino_t.h @@ -0,0 +1 @@ +../../../../abis/mlibc/ino_t.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/inotify.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/inotify.h new file mode 120000 index 0000000..3f19ef6 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/inotify.h @@ -0,0 +1 @@ +../../../../abis/mlibc/inotify.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/ioctls.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/ioctls.h new file mode 120000 index 0000000..595106b --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/ioctls.h @@ -0,0 +1 @@ +../../../../abis/linux/ioctls.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/limits.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/limits.h new file mode 120000 index 0000000..1aa5894 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/limits.h @@ -0,0 +1 @@ +../../../../abis/mlibc/limits.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/mode_t.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/mode_t.h new file mode 120000 index 0000000..29d7733 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/mode_t.h @@ -0,0 +1 @@ +../../../../abis/mlibc/mode_t.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/mqueue.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/mqueue.h new file mode 120000 index 0000000..fa87b07 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/mqueue.h @@ -0,0 +1 @@ +../../../../abis/linux/mqueue.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/msg.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/msg.h new file mode 120000 index 0000000..f402b49 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/msg.h @@ -0,0 +1 @@ +../../../../abis/linux/msg.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/nlink_t.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/nlink_t.h new file mode 120000 index 0000000..7618c27 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/nlink_t.h @@ -0,0 +1 @@ +../../../../abis/mlibc/nlink_t.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/packet.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/packet.h new file mode 120000 index 0000000..47067e2 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/packet.h @@ -0,0 +1 @@ +../../../../abis/mlibc/packet.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/pid_t.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/pid_t.h new file mode 120000 index 0000000..3fd26a7 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/pid_t.h @@ -0,0 +1 @@ +../../../../abis/mlibc/pid_t.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/poll.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/poll.h new file mode 120000 index 0000000..ab989c7 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/poll.h @@ -0,0 +1 @@ +../../../../abis/mlibc/poll.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/ptrace.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/ptrace.h new file mode 120000 index 0000000..f391fb7 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/ptrace.h @@ -0,0 +1 @@ +../../../../abis/mlibc/ptrace.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/resource.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/resource.h new file mode 120000 index 0000000..3e59c75 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/resource.h @@ -0,0 +1 @@ +../../../../abis/mlibc/resource.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/seek-whence.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/seek-whence.h new file mode 120000 index 0000000..3bd41ef --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/seek-whence.h @@ -0,0 +1 @@ +../../../../abis/mlibc/seek-whence.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/shm.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/shm.h new file mode 120000 index 0000000..067d8c4 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/shm.h @@ -0,0 +1 @@ +../../../../abis/linux/shm.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/signal.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/signal.h new file mode 120000 index 0000000..b20e511 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/signal.h @@ -0,0 +1 @@ +../../../../abis/mlibc/signal.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/socket.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/socket.h new file mode 120000 index 0000000..0e1d6be --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/socket.h @@ -0,0 +1 @@ +../../../../abis/mlibc/socket.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/socklen_t.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/socklen_t.h new file mode 120000 index 0000000..41f3b11 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/socklen_t.h @@ -0,0 +1 @@ +../../../../abis/linux/socklen_t.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/stat.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/stat.h new file mode 120000 index 0000000..82642c3 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/stat.h @@ -0,0 +1 @@ +../../../../abis/mlibc/stat.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/statfs.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/statfs.h new file mode 120000 index 0000000..e3d202f --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/statfs.h @@ -0,0 +1 @@ +../../../../abis/linux/statfs.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/statvfs.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/statvfs.h new file mode 120000 index 0000000..1fc80c2 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/statvfs.h @@ -0,0 +1 @@ +../../../../abis/linux/statvfs.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/suseconds_t.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/suseconds_t.h new file mode 120000 index 0000000..9ed6597 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/suseconds_t.h @@ -0,0 +1 @@ +../../../../abis/linux/suseconds_t.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/termios.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/termios.h new file mode 120000 index 0000000..cfcfe76 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/termios.h @@ -0,0 +1 @@ +../../../../abis/mlibc/termios.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/time.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/time.h new file mode 120000 index 0000000..2a02625 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/time.h @@ -0,0 +1 @@ +../../../../abis/linux/time.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/uid_t.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/uid_t.h new file mode 120000 index 0000000..1113eba --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/uid_t.h @@ -0,0 +1 @@ +../../../../abis/mlibc/uid_t.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/utsname.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/utsname.h new file mode 120000 index 0000000..17b993f --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/utsname.h @@ -0,0 +1 @@ +../../../../abis/mlibc/utsname.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/vm-flags.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/vm-flags.h new file mode 120000 index 0000000..f1a985e --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/vm-flags.h @@ -0,0 +1 @@ +../../../../abis/mlibc/vm-flags.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/wait.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/wait.h new file mode 120000 index 0000000..6d911c7 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/wait.h @@ -0,0 +1 @@ +../../../../abis/mlibc/wait.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/abi-bits/xattr.h b/lib/mlibc/sysdeps/dripos/include/abi-bits/xattr.h new file mode 120000 index 0000000..66412d7 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/abi-bits/xattr.h @@ -0,0 +1 @@ +../../../../abis/linux/xattr.h \ No newline at end of file diff --git a/lib/mlibc/sysdeps/dripos/include/mlibc/thread-entry.hpp b/lib/mlibc/sysdeps/dripos/include/mlibc/thread-entry.hpp new file mode 100644 index 0000000..2dd88a6 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/include/mlibc/thread-entry.hpp @@ -0,0 +1,10 @@ +#pragma once + +#include + +extern "C" void __mlibc_start_thread(void); +extern "C" void __mlibc_enter_thread(void *entry, void *user_arg, Tcb *tcb); + +namespace mlibc { + void *prepare_stack(void *entry, void *user_arg, void *tcb); +} diff --git a/lib/mlibc/sysdeps/dripos/meson.build b/lib/mlibc/sysdeps/dripos/meson.build new file mode 100644 index 0000000..afecf25 --- /dev/null +++ b/lib/mlibc/sysdeps/dripos/meson.build @@ -0,0 +1,71 @@ + +rtdl_sources += files( + 'generic/generic.cpp' +) + +libc_sources += files( + 'generic/entry.cpp', + 'generic/generic.cpp', + 'generic/thread.cpp', + 'generic/thread_entry.S' +) + +if not no_headers + install_headers( + 'include/abi-bits/auxv.h', + 'include/abi-bits/seek-whence.h', + 'include/abi-bits/vm-flags.h', + 'include/abi-bits/errno.h', + 'include/abi-bits/fcntl.h', + 'include/abi-bits/in.h', + 'include/abi-bits/resource.h', + 'include/abi-bits/stat.h', + 'include/abi-bits/signal.h', + 'include/abi-bits/socket.h', + 'include/abi-bits/termios.h', + 'include/abi-bits/blkcnt_t.h', + 'include/abi-bits/blksize_t.h', + 'include/abi-bits/dev_t.h', + 'include/abi-bits/gid_t.h', + 'include/abi-bits/ino_t.h', + 'include/abi-bits/mode_t.h', + 'include/abi-bits/nlink_t.h', + 'include/abi-bits/pid_t.h', + 'include/abi-bits/uid_t.h', + 'include/abi-bits/access.h', + 'include/abi-bits/wait.h', + 'include/abi-bits/limits.h', + 'include/abi-bits/utsname.h', + 'include/abi-bits/ptrace.h', + 'include/abi-bits/poll.h', + 'include/abi-bits/epoll.h', + 'include/abi-bits/packet.h', + 'include/abi-bits/inotify.h', + 'include/abi-bits/clockid_t.h', + 'include/abi-bits/shm.h', + 'include/abi-bits/mqueue.h', + 'include/abi-bits/suseconds_t.h', + 'include/abi-bits/fsfilcnt_t.h', + 'include/abi-bits/fsblkcnt_t.h', + 'include/abi-bits/socklen_t.h', + 'include/abi-bits/statfs.h', + 'include/abi-bits/statvfs.h', + 'include/abi-bits/ioctls.h', + 'include/abi-bits/xattr.h', + 'include/abi-bits/msg.h', + subdir: 'abi-bits', + follow_symlinks: true + ) +endif + +if not headers_only + crt = custom_target('crt1', + build_by_default: true, + command: c_compiler.cmd_array() + ['-c', '-o', '@OUTPUT@', '@INPUT@'], + input: 'crt-x86_64/crt1.S', + output: 'crt1.o', + install: true, + install_dir: get_option('libdir') + ) +endif + -- cgit v1.2.3