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Syscall.h
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Syscall.h
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#pragma once
#include <AK/Types.h>
#include <LibC/fd_set.h>
#define ENUMERATE_SYSCALLS \
__ENUMERATE_SYSCALL(sleep) \
__ENUMERATE_SYSCALL(yield) \
__ENUMERATE_SYSCALL(putch) \
__ENUMERATE_SYSCALL(open) \
__ENUMERATE_SYSCALL(close) \
__ENUMERATE_SYSCALL(read) \
__ENUMERATE_SYSCALL(lseek) \
__ENUMERATE_SYSCALL(kill) \
__ENUMERATE_SYSCALL(getuid) \
__ENUMERATE_SYSCALL(exit) \
__ENUMERATE_SYSCALL(getgid) \
__ENUMERATE_SYSCALL(getpid) \
__ENUMERATE_SYSCALL(waitpid) \
__ENUMERATE_SYSCALL(mmap) \
__ENUMERATE_SYSCALL(munmap) \
__ENUMERATE_SYSCALL(get_dir_entries) \
__ENUMERATE_SYSCALL(lstat) \
__ENUMERATE_SYSCALL(getcwd) \
__ENUMERATE_SYSCALL(gettimeofday) \
__ENUMERATE_SYSCALL(gethostname) \
__ENUMERATE_SYSCALL(chdir) \
__ENUMERATE_SYSCALL(uname) \
__ENUMERATE_SYSCALL(set_mmap_name) \
__ENUMERATE_SYSCALL(readlink) \
__ENUMERATE_SYSCALL(write) \
__ENUMERATE_SYSCALL(ttyname_r) \
__ENUMERATE_SYSCALL(stat) \
__ENUMERATE_SYSCALL(getsid) \
__ENUMERATE_SYSCALL(setsid) \
__ENUMERATE_SYSCALL(getpgid) \
__ENUMERATE_SYSCALL(setpgid) \
__ENUMERATE_SYSCALL(getpgrp) \
__ENUMERATE_SYSCALL(fork) \
__ENUMERATE_SYSCALL(execve) \
__ENUMERATE_SYSCALL(geteuid) \
__ENUMERATE_SYSCALL(getegid) \
__ENUMERATE_SYSCALL(isatty) \
__ENUMERATE_SYSCALL(getdtablesize) \
__ENUMERATE_SYSCALL(dup) \
__ENUMERATE_SYSCALL(dup2) \
__ENUMERATE_SYSCALL(sigaction) \
__ENUMERATE_SYSCALL(getppid) \
__ENUMERATE_SYSCALL(umask) \
__ENUMERATE_SYSCALL(getgroups) \
__ENUMERATE_SYSCALL(setgroups) \
__ENUMERATE_SYSCALL(sigreturn) \
__ENUMERATE_SYSCALL(sigprocmask) \
__ENUMERATE_SYSCALL(sigpending) \
__ENUMERATE_SYSCALL(pipe) \
__ENUMERATE_SYSCALL(killpg) \
__ENUMERATE_SYSCALL(setuid) \
__ENUMERATE_SYSCALL(setgid) \
__ENUMERATE_SYSCALL(alarm) \
__ENUMERATE_SYSCALL(fstat) \
__ENUMERATE_SYSCALL(access) \
__ENUMERATE_SYSCALL(fcntl) \
__ENUMERATE_SYSCALL(ioctl) \
__ENUMERATE_SYSCALL(mkdir) \
__ENUMERATE_SYSCALL(times) \
__ENUMERATE_SYSCALL(utime) \
__ENUMERATE_SYSCALL(sync) \
__ENUMERATE_SYSCALL(ptsname_r) \
__ENUMERATE_SYSCALL(select) \
__ENUMERATE_SYSCALL(unlink) \
__ENUMERATE_SYSCALL(poll) \
__ENUMERATE_SYSCALL(read_tsc) \
__ENUMERATE_SYSCALL(rmdir) \
__ENUMERATE_SYSCALL(chmod) \
__ENUMERATE_SYSCALL(usleep) \
__ENUMERATE_SYSCALL(socket) \
__ENUMERATE_SYSCALL(bind) \
__ENUMERATE_SYSCALL(accept) \
__ENUMERATE_SYSCALL(listen) \
__ENUMERATE_SYSCALL(connect) \
__ENUMERATE_SYSCALL(create_shared_buffer) \
__ENUMERATE_SYSCALL(get_shared_buffer) \
__ENUMERATE_SYSCALL(release_shared_buffer) \
__ENUMERATE_SYSCALL(link) \
__ENUMERATE_SYSCALL(chown) \
__ENUMERATE_SYSCALL(fchmod) \
__ENUMERATE_SYSCALL(symlink) \
__ENUMERATE_SYSCALL(restore_signal_mask) \
__ENUMERATE_SYSCALL(get_shared_buffer_size) \
__ENUMERATE_SYSCALL(seal_shared_buffer) \
__ENUMERATE_SYSCALL(sendto) \
__ENUMERATE_SYSCALL(recvfrom) \
__ENUMERATE_SYSCALL(getsockopt) \
__ENUMERATE_SYSCALL(setsockopt) \
__ENUMERATE_SYSCALL(create_thread) \
__ENUMERATE_SYSCALL(gettid) \
__ENUMERATE_SYSCALL(donate) \
__ENUMERATE_SYSCALL(rename) \
__ENUMERATE_SYSCALL(shm_open) \
__ENUMERATE_SYSCALL(shm_close) \
__ENUMERATE_SYSCALL(ftruncate) \
__ENUMERATE_SYSCALL(systrace) \
__ENUMERATE_SYSCALL(exit_thread) \
__ENUMERATE_SYSCALL(mknod) \
__ENUMERATE_SYSCALL(writev) \
__ENUMERATE_SYSCALL(beep) \
__ENUMERATE_SYSCALL(getsockname) \
__ENUMERATE_SYSCALL(getpeername)
namespace Syscall {
enum Function
{
#undef __ENUMERATE_SYSCALL
#define __ENUMERATE_SYSCALL(x) SC_##x,
ENUMERATE_SYSCALLS
#undef __ENUMERATE_SYSCALL
};
inline constexpr const char* to_string(Function function)
{
switch (function) {
#undef __ENUMERATE_SYSCALL
#define __ENUMERATE_SYSCALL(x) \
case SC_##x: \
return #x;
ENUMERATE_SYSCALLS
#undef __ENUMERATE_SYSCALL
}
return "Unknown";
}
#ifdef __serenity__
struct SC_mmap_params {
uint32_t addr;
uint32_t size;
int32_t prot;
int32_t flags;
int32_t fd;
int32_t offset; // FIXME: 64-bit off_t?
const char* name { nullptr };
};
struct SC_select_params {
int nfds;
fd_set* readfds;
fd_set* writefds;
fd_set* exceptfds;
struct timeval* timeout;
};
struct SC_sendto_params {
int sockfd;
const void* data;
size_t data_length;
int flags;
const void* addr; // const sockaddr*
size_t addr_length; // socklen_t
};
struct SC_recvfrom_params {
int sockfd;
void* buffer;
size_t buffer_length;
int flags;
void* addr; // sockaddr*
void* addr_length; // socklen_t*
};
struct SC_getsockopt_params {
int sockfd;
int level;
int option;
void* value;
void* value_size; // socklen_t*
};
struct SC_setsockopt_params {
int sockfd;
int level;
int option;
const void* value;
size_t value_size; // socklen_t
};
void initialize();
int sync();
inline dword invoke(Function function)
{
dword result;
asm volatile("int $0x82"
: "=a"(result)
: "a"(function)
: "memory");
return result;
}
template<typename T1>
inline dword invoke(Function function, T1 arg1)
{
dword result;
asm volatile("int $0x82"
: "=a"(result)
: "a"(function), "d"((dword)arg1)
: "memory");
return result;
}
template<typename T1, typename T2>
inline dword invoke(Function function, T1 arg1, T2 arg2)
{
dword result;
asm volatile("int $0x82"
: "=a"(result)
: "a"(function), "d"((dword)arg1), "c"((dword)arg2)
: "memory");
return result;
}
template<typename T1, typename T2, typename T3>
inline dword invoke(Function function, T1 arg1, T2 arg2, T3 arg3)
{
dword result;
asm volatile("int $0x82"
: "=a"(result)
: "a"(function), "d"((dword)arg1), "c"((dword)arg2), "b"((dword)arg3)
: "memory");
return result;
}
#endif
}
#undef __ENUMERATE_SYSCALL
#define __ENUMERATE_SYSCALL(x) using Syscall::SC_##x;
ENUMERATE_SYSCALLS
#undef __ENUMERATE_SYSCALL
#define syscall Syscall::invoke