mirror of
https://github.com/RGBCube/serenity
synced 2025-07-27 17:57:35 +00:00
A bunch of compat work (mostly stubs but some real implementations, too.)
Another pass at getting bash-1.14.7 to build. Not that many symbols remain.
This commit is contained in:
parent
6a0a2c9ab4
commit
3b2f172d48
9 changed files with 134 additions and 2 deletions
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@ -1035,6 +1035,23 @@ int Process::sys$close(int fd)
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return rc;
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}
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int Process::sys$access(const char* pathname, int mode)
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{
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(void) mode;
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VALIDATE_USER_READ(pathname, strlen(pathname));
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ASSERT_NOT_REACHED();
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}
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int Process::sys$fstat(int fd, Unix::stat* statbuf)
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{
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VALIDATE_USER_WRITE(statbuf, sizeof(Unix::stat));
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auto* descriptor = file_descriptor(fd);
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if (!descriptor)
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return -EBADF;
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descriptor->stat(statbuf);
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return 0;
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}
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int Process::sys$lstat(const char* path, Unix::stat* statbuf)
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{
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VALIDATE_USER_WRITE(statbuf, sizeof(Unix::stat));
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@ -1139,6 +1156,36 @@ int Process::sys$open(const char* path, int options)
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return fd;
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}
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int Process::sys$pipe(int* pipefd)
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{
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VALIDATE_USER_WRITE(pipefd, sizeof(int) * 2);
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ASSERT_NOT_REACHED();
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}
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int Process::sys$killpg(int pgrp, int signum)
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{
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if (signum < 1 || signum >= 32)
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return -EINVAL;
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(void) pgrp;
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ASSERT_NOT_REACHED();
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}
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int Process::sys$setuid(uid_t)
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{
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ASSERT_NOT_REACHED();
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}
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int Process::sys$setgid(gid_t)
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{
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ASSERT_NOT_REACHED();
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}
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unsigned Process::sys$alarm(unsigned seconds)
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{
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(void) seconds;
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ASSERT_NOT_REACHED();
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}
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int Process::sys$uname(utsname* buf)
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{
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VALIDATE_USER_WRITE(buf, sizeof(utsname));
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@ -1472,7 +1519,7 @@ int Process::sys$dup2(int old_fd, int new_fd)
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Unix::sighandler_t Process::sys$signal(int signum, Unix::sighandler_t handler)
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{
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// FIXME: Fail with -EINVAL if attepmting to catch or ignore SIGKILL or SIGSTOP.
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if (signum >= 32)
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if (signum < 1 || signum >= 32)
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return (Unix::sighandler_t)-EINVAL;
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dbgprintf("sys$signal: %d => L%x\n", signum, handler);
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return nullptr;
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@ -1508,7 +1555,7 @@ int Process::sys$sigpending(Unix::sigset_t* set)
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int Process::sys$sigaction(int signum, const Unix::sigaction* act, Unix::sigaction* old_act)
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{
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// FIXME: Fail with -EINVAL if attepmting to change action for SIGKILL or SIGSTOP.
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if (signum >= 32)
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if (signum < 1 || signum >= 32)
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return -EINVAL;
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VALIDATE_USER_READ(act, sizeof(Unix::sigaction));
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InterruptDisabler disabler; // FIXME: This should use a narrower lock.
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@ -129,6 +129,7 @@ public:
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int sys$close(int fd);
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ssize_t sys$read(int fd, void* outbuf, size_t nread);
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ssize_t sys$write(int fd, const void*, size_t);
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int sys$fstat(int fd, Unix::stat*);
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int sys$lstat(const char*, Unix::stat*);
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int sys$stat(const char*, Unix::stat*);
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int sys$lseek(int fd, off_t, int whence);
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@ -163,6 +164,12 @@ public:
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int sys$sigpending(Unix::sigset_t*);
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int sys$getgroups(int size, gid_t*);
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int sys$setgroups(size_t, const gid_t*);
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int sys$pipe(int* pipefd);
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int sys$killpg(int pgrp, int sig);
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int sys$setgid(gid_t);
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int sys$setuid(uid_t);
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unsigned sys$alarm(unsigned seconds);
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int sys$access(const char* pathname, int mode);
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static void initialize();
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@ -161,6 +161,18 @@ static DWORD handle(RegisterDump& regs, DWORD function, DWORD arg1, DWORD arg2,
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return 0;
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case Syscall::SC_sigprocmask:
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return current->sys$sigprocmask((int)arg1, (const Unix::sigset_t*)arg2, (Unix::sigset_t*)arg3);
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case Syscall::SC_pipe:
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return current->sys$pipe((int*)arg1);
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case Syscall::SC_killpg:
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return current->sys$killpg((int)arg1, (int)arg2);
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case Syscall::SC_setuid:
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return current->sys$setuid((uid_t)arg1);
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case Syscall::SC_setgid:
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return current->sys$setgid((gid_t)arg1);
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case Syscall::SC_alarm:
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return current->sys$alarm((unsigned)arg1);
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case Syscall::SC_access:
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return current->sys$access((const char*)arg1, (int)arg2);
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default:
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kprintf("<%u> int0x80: Unknown function %x requested {%x, %x, %x}\n", current->pid(), function, arg1, arg2, arg3);
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break;
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@ -56,6 +56,13 @@
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__ENUMERATE_SYSCALL(sigreturn) \
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__ENUMERATE_SYSCALL(sigprocmask) \
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__ENUMERATE_SYSCALL(sigpending) \
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__ENUMERATE_SYSCALL(pipe) \
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__ENUMERATE_SYSCALL(killpg) \
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__ENUMERATE_SYSCALL(setuid) \
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__ENUMERATE_SYSCALL(setgid) \
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__ENUMERATE_SYSCALL(alarm) \
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__ENUMERATE_SYSCALL(fstat) \
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__ENUMERATE_SYSCALL(access) \
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#define DO_SYSCALL_A0(function) Syscall::invoke((dword)(function))
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