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UserspaceEmulator: Implement profiling, disown, purge syscalls

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This commit is contained in:
Brendan Coles 2020-12-21 05:40:56 +00:00 • committed by Andreas Kling
parent 39c92dad83
commit 9ca34c3047
2 changed files with 32 additions and 0 deletions
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28
DevTools/UserspaceEmulator/Emulator.cpp
View file

@ -395,6 +395,14 @@ u32 Emulator::virt_syscall(u32 function, u32 arg1, u32 arg2, u32 arg3)
return virt$shbuf_seal(arg1); return virt$shbuf_seal(arg1);
case SC_shbuf_set_volatile: case SC_shbuf_set_volatile:
return virt$shbuf_set_volatile(arg1, arg2); return virt$shbuf_set_volatile(arg1, arg2);
case SC_profiling_enable:
return virt$profiling_enable(arg1);
case SC_profiling_disable:
return virt$profiling_disable(arg1);
case SC_disown:
return virt$disown(arg1);
case SC_purge:
return virt$purge(arg1);
case SC_mmap: case SC_mmap:
return virt$mmap(arg1); return virt$mmap(arg1);
case SC_mount: case SC_mount:
@ -590,6 +598,26 @@ int Emulator::virt$shbuf_set_volatile(int shbuf_id, bool is_volatile)
return region->set_volatile(is_volatile); return region->set_volatile(is_volatile);
} }
int Emulator::virt$profiling_enable(pid_t pid)
{
return syscall(SC_profiling_enable, pid);
}
int Emulator::virt$profiling_disable(pid_t pid)
{
return syscall(SC_profiling_disable, pid);
}
int Emulator::virt$disown(pid_t pid)
{
return syscall(SC_disown, pid);
}
int Emulator::virt$purge(int mode)
{
return syscall(SC_purge, mode);
}
int Emulator::virt$fstat(int fd, FlatPtr statbuf) int Emulator::virt$fstat(int fd, FlatPtr statbuf)
{ {
struct stat local_statbuf; struct stat local_statbuf;

4
DevTools/UserspaceEmulator/Emulator.h
View file

@ -98,6 +98,10 @@ private:
int virt$shbuf_release(int shbuf_id); int virt$shbuf_release(int shbuf_id);
int virt$shbuf_seal(int shbuf_id); int virt$shbuf_seal(int shbuf_id);
int virt$shbuf_set_volatile(int shbuf_id, bool); int virt$shbuf_set_volatile(int shbuf_id, bool);
int virt$profiling_enable(pid_t);
int virt$profiling_disable(pid_t);
int virt$disown(pid_t);
int virt$purge(int mode);
u32 virt$mmap(u32); u32 virt$mmap(u32);
u32 virt$mount(u32); u32 virt$mount(u32);
u32 virt$munmap(FlatPtr address, u32 size); u32 virt$munmap(FlatPtr address, u32 size);