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UserspaceEmulator: Support the anon_create, sendfd and recvfd syscalls

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This commit is contained in:
Andreas Kling 2021-01-15 14:17:19 +01:00
parent 20915795a8
commit 12879184ce
2 changed files with 24 additions and 0 deletions
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21
Userland/DevTools/UserspaceEmulator/Emulator.cpp
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@ -453,6 +453,12 @@ u32 Emulator::virt_syscall(u32 function, u32 arg1, u32 arg2, u32 arg3)
return virt$mprotect(arg1, arg2, arg3);
case SC_madvise:
return virt$madvise(arg1, arg2, arg3);
case SC_anon_create:
return virt$anon_create(arg1, arg2);
case SC_sendfd:
return virt$sendfd(arg1, arg2);
case SC_recvfd:
return virt$recvfd(arg1);
case SC_open:
return virt$open(arg1);
case SC_pipe:
@ -545,6 +551,21 @@ u32 Emulator::virt_syscall(u32 function, u32 arg1, u32 arg2, u32 arg3)
}
}
int Emulator::virt$anon_create(size_t size, int options)
{
return syscall(SC_anon_create, size, options);
}
int Emulator::virt$sendfd(int socket, int fd)
{
return syscall(SC_sendfd, socket, fd);
}
int Emulator::virt$recvfd(int socket)
{
return syscall(SC_recvfd, socket);
}
int Emulator::virt$shbuf_create(int size, FlatPtr buffer)
{
u8* host_data = nullptr;

3
Userland/DevTools/UserspaceEmulator/Emulator.h
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@ -175,6 +175,9 @@ private:
int virt$beep();
int virt$ftruncate(int fd, off_t);
mode_t virt$umask(mode_t);
int virt$anon_create(size_t, int);
int virt$recvfd(int);
int virt$sendfd(int, int);
FlatPtr allocate_vm(size_t size, size_t alignment);
bool find_malloc_symbols(const MmapRegion& libc_text);