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UserspaceEmulator: Implement set_process_name syscall
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2 changed files with 12 additions and 0 deletions
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@ -168,6 +168,8 @@ u32 Emulator::virt_syscall(u32 function, u32 arg1, u32 arg2, u32 arg3)
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return virt$getsockopt(arg1);
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case SC_get_process_name:
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return virt$get_process_name(arg1, arg2);
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case SC_set_process_name:
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return virt$set_process_name(arg1, arg2);
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case SC_dbgputstr:
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return virt$dbgputstr(arg1, arg2);
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case SC_dbgputch:
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@ -481,6 +483,15 @@ int Emulator::virt$get_process_name(FlatPtr buffer, int size)
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return rc;
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}
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int Emulator::virt$set_process_name(FlatPtr user_buffer, int size)
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{
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if (size < 0)
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return -EINVAL;
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auto host_buffer = mmu().copy_buffer_from_vm(user_buffer, size);
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auto name = String::formatted("(UE) {}", StringView { host_buffer.data(), host_buffer.size() });
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return syscall(SC_set_process_name, name.characters(), name.length());
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}
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int Emulator::virt$lseek(int fd, off_t offset, int whence)
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{
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return syscall(SC_lseek, fd, offset, whence);
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