mirror of
https://github.com/SerenityOS/serenity
synced 2024-10-15 20:33:10 +00:00
fdbd9f1e27
First of all, change sys$mmap to take a struct SC_mmap_params since our sycsall calling convention can't handle more than 3 arguments. This exposed a bug in Syscall::invoke() needing to use clobber lists. It was a bit confusing to debug. :^)
125 lines
3.5 KiB
C++
125 lines
3.5 KiB
C++
#pragma once
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#include <AK/Types.h>
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#define ENUMERATE_SYSCALLS \
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__ENUMERATE_SYSCALL(spawn) \
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__ENUMERATE_SYSCALL(sleep) \
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__ENUMERATE_SYSCALL(yield) \
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__ENUMERATE_SYSCALL(putch) \
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__ENUMERATE_SYSCALL(open) \
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__ENUMERATE_SYSCALL(close) \
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__ENUMERATE_SYSCALL(read) \
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__ENUMERATE_SYSCALL(lseek) \
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__ENUMERATE_SYSCALL(kill) \
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__ENUMERATE_SYSCALL(getuid) \
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__ENUMERATE_SYSCALL(exit) \
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__ENUMERATE_SYSCALL(getgid) \
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__ENUMERATE_SYSCALL(getpid) \
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__ENUMERATE_SYSCALL(waitpid) \
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__ENUMERATE_SYSCALL(mmap) \
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__ENUMERATE_SYSCALL(munmap) \
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__ENUMERATE_SYSCALL(get_dir_entries) \
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__ENUMERATE_SYSCALL(lstat) \
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__ENUMERATE_SYSCALL(getcwd) \
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__ENUMERATE_SYSCALL(gettimeofday) \
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__ENUMERATE_SYSCALL(gethostname) \
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__ENUMERATE_SYSCALL(get_arguments) \
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__ENUMERATE_SYSCALL(chdir) \
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__ENUMERATE_SYSCALL(uname) \
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__ENUMERATE_SYSCALL(set_mmap_name) \
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__ENUMERATE_SYSCALL(readlink) \
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__ENUMERATE_SYSCALL(write) \
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__ENUMERATE_SYSCALL(ttyname_r) \
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__ENUMERATE_SYSCALL(stat) \
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__ENUMERATE_SYSCALL(get_environment) \
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__ENUMERATE_SYSCALL(getsid) \
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__ENUMERATE_SYSCALL(setsid) \
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__ENUMERATE_SYSCALL(getpgid) \
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__ENUMERATE_SYSCALL(setpgid) \
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__ENUMERATE_SYSCALL(getpgrp) \
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__ENUMERATE_SYSCALL(tcsetpgrp) \
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__ENUMERATE_SYSCALL(tcgetpgrp) \
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__ENUMERATE_SYSCALL(fork) \
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__ENUMERATE_SYSCALL(execve) \
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__ENUMERATE_SYSCALL(geteuid) \
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__ENUMERATE_SYSCALL(getegid) \
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__ENUMERATE_SYSCALL(signal) \
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__ENUMERATE_SYSCALL(isatty) \
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__ENUMERATE_SYSCALL(getdtablesize) \
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__ENUMERATE_SYSCALL(dup) \
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__ENUMERATE_SYSCALL(dup2) \
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__ENUMERATE_SYSCALL(sigaction) \
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__ENUMERATE_SYSCALL(getppid) \
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__ENUMERATE_SYSCALL(umask) \
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__ENUMERATE_SYSCALL(getgroups) \
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__ENUMERATE_SYSCALL(setgroups) \
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__ENUMERATE_SYSCALL(sigreturn) \
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#define DO_SYSCALL_A0(function) Syscall::invoke((dword)(function))
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#define DO_SYSCALL_A1(function, arg1) Syscall::invoke((dword)(function), (dword)(arg1))
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#define DO_SYSCALL_A2(function, arg1, arg2) Syscall::invoke((dword)(function), (dword)(arg1), (dword)(arg2))
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#define DO_SYSCALL_A3(function, arg1, arg2, arg3) Syscall::invoke((dword)(function), (dword)(arg1), (dword)(arg2), (dword)arg3)
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namespace Syscall {
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enum Function {
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#undef __ENUMERATE_SYSCALL
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#define __ENUMERATE_SYSCALL(x) SC_ ##x ,
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ENUMERATE_SYSCALLS
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#undef __ENUMERATE_SYSCALL
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};
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inline constexpr const char* toString(Function function)
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{
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switch (function) {
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#undef __ENUMERATE_SYSCALL
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#define __ENUMERATE_SYSCALL(x) case SC_ ##x: return #x;
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ENUMERATE_SYSCALLS
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#undef __ENUMERATE_SYSCALL
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}
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return "Unknown";
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}
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struct SC_mmap_params {
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uint32_t addr;
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uint32_t size;
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int32_t prot;
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int32_t flags;
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int32_t fd;
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uint32_t offset; // FIXME: 64-bit off_t?
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};
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void initialize();
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inline dword invoke(dword function)
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{
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dword result;
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asm volatile("int $0x80":"=a"(result):"a"(function):"memory");
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return result;
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}
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inline dword invoke(dword function, dword arg1)
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{
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dword result;
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asm volatile("int $0x80":"=a"(result):"a"(function),"d"(arg1):"memory");
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return result;
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}
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inline dword invoke(dword function, dword arg1, dword arg2)
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{
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dword result;
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asm volatile("int $0x80":"=a"(result):"a"(function),"d"(arg1),"c"(arg2):"memory");
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return result;
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}
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inline dword invoke(dword function, dword arg1, dword arg2, dword arg3)
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{
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dword result;
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asm volatile("int $0x80":"=a"(result):"a"(function),"d"(arg1),"c"(arg2),"b"(arg3):"memory");
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return result;
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}
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}
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