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UserspaceEmulator: Add some more syscalls :^)

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Here's set_process_icon(), gettimeofday() and clock_gettime().
This commit is contained in:
Andreas Kling 2020-07-15 18:34:36 +02:00
parent feebe3f42e
commit c8b496162d
Notes: sideshowbarker 2024-07-19 04:47:47 +09:00
2 changed files with 34 additions and 0 deletions
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31
DevTools/UserspaceEmulator/Emulator.cpp
View file

@ -278,9 +278,15 @@ u32 Emulator::virt_syscall(u32 function, u32 arg1, u32 arg2, u32 arg3)
return virt$kill(arg1, arg2);
case SC_set_mmap_name:
return virt$set_mmap_name(arg1);
case SC_set_process_icon:
return virt$set_process_icon(arg1);
case SC_exit:
virt$exit((int)arg1);
return 0;
case SC_gettimeofday:
return virt$gettimeofday(arg1);
case SC_clock_gettime:
return virt$clock_gettime(arg1, arg2);
default:
warn() << "Unimplemented syscall: " << Syscall::to_string((Syscall::Function)function);
dump_backtrace();
@ -418,6 +424,31 @@ int Emulator::virt$kill(pid_t pid, int signal)
return syscall(SC_kill, pid, signal);
}
int Emulator::virt$set_process_icon(int shbuf_id)
{
return syscall(SC_set_process_icon, shbuf_id);
}
int Emulator::virt$gettimeofday(FlatPtr timeval)
{
struct timeval host_timeval;
int rc = syscall(SC_gettimeofday, &host_timeval);
if (rc < 0)
return rc;
mmu().copy_to_vm(timeval, &host_timeval, sizeof(host_timeval));
return rc;
}
int Emulator::virt$clock_gettime(int clockid, FlatPtr timespec)
{
struct timespec host_timespec;
int rc = syscall(SC_clock_gettime, clockid, &host_timespec);
if (rc < 0)
return rc;
mmu().copy_to_vm(timespec, &host_timespec, sizeof(host_timespec));
return rc;
}
int Emulator::virt$set_mmap_name(FlatPtr)
{
// FIXME: Implement.

3
DevTools/UserspaceEmulator/Emulator.h
View file

@ -83,6 +83,9 @@ private:
int virt$unlink(FlatPtr path, size_t path_length);
int virt$get_process_name(FlatPtr buffer, int size);
int virt$set_mmap_name(FlatPtr);
int virt$set_process_icon(int);
int virt$gettimeofday(FlatPtr);
int virt$clock_gettime(int, FlatPtr);
int virt$dbgputstr(FlatPtr characters, int length);
int virt$dbgputch(char);
int virt$fchmod(int, mode_t);