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e7cc08226f
The kernel now bills processes for time spent in kernelspace and userspace separately. The accounting is forwarded to the parent process in reap(). This makes the "time" builtin in bash work.
133 lines
3.8 KiB
C++
133 lines
3.8 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(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(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(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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__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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__ENUMERATE_SYSCALL(fcntl) \
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__ENUMERATE_SYSCALL(ioctl) \
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__ENUMERATE_SYSCALL(mkdir) \
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__ENUMERATE_SYSCALL(times) \
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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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int32_t offset; // FIXME: 64-bit off_t?
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};
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void initialize();
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inline dword invoke(Function 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(Function 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(Function 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(Function 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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