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78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
#include <stddef.h>
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#include <stdio.h>
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typedef void ALooper;
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typedef int (*Looper_callbackFunc)(int fd, int events, void* data);
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/* helpers for creating wrappers for methods which use C++ itanium ABI */
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#ifdef __aarch64__
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#define ITANIUM_OBJRETCALL_DEC(ret_type, mangled_name, ...) \
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void mangled_name(__VA_ARGS__); /* r8 used instead of implicit parameter, fun innit */
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#else
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#define ITANIUM_OBJRETCALL_DEC(ret_type, mangled_name, ...) \
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void mangled_name(ret_type **ret, ##__VA_ARGS__) /* implicit first parameter used for return value */
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#endif
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inline __attribute__((__always_inline__)) void * itanium_objretcall(void (*func)(), ...)
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{
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#ifdef __aarch64__
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void *ret;
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register void **addr_of_ret asm("r8"); /* arm wants to be special :( */
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__asm__ ("" : : "" (addr_of_ret)); /* apparently __attribute__((used)) is not a thing */
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addr_of_ret = &ret;
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func(__builtin_va_arg_pack());
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return ret;
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#else
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void *ret;
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func(&ret, __builtin_va_arg_pack());
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return ret;
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#endif
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}
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/* --- */
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ITANIUM_OBJRETCALL_DEC(ALooper, _ZN7android6Looper12getForThreadEv);
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ALooper * ALooper_forThread(void)
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{
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return itanium_objretcall(_ZN7android6Looper12getForThreadEv);
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}
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ITANIUM_OBJRETCALL_DEC(ALooper, _ZN7android6Looper7prepareEi, int opts);
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ALooper * ALooper_prepare(int opts)
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{
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return itanium_objretcall(_ZN7android6Looper7prepareEi, opts);
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}
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void _ZNK7android7RefBase9incStrongEPKv(ALooper *this, void *unused);
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void ALooper_acquire(ALooper* looper) {
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_ZNK7android7RefBase9incStrongEPKv(looper, (void*)ALooper_acquire);
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}
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void _ZNK7android7RefBase9decStrongEPKv(ALooper *this, void *unused);
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void ALooper_release(ALooper* looper) {
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_ZNK7android7RefBase9decStrongEPKv(looper, (void*)ALooper_acquire);
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}
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int _ZN7android6Looper7pollAllEiPiS1_PPv(ALooper *this, int timeoutMillis, int* outFd, int* outEvents, void** outData);
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int ALooper_pollAll(int timeoutMillis, int* outFd, int* outEvents, void** outData)
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{
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ALooper *looper = ALooper_forThread();
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if(!looper) {
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fprintf(stderr, "ALooper_pollAll: ALooper_forThread returned NULL\n");
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return 0;
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}
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return _ZN7android6Looper7pollAllEiPiS1_PPv(looper, timeoutMillis, outFd, outEvents, outData);
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}
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int _ZN7android6Looper5addFdEiiiPFiiiPvES1_(ALooper *this, int fd, int ident, int events, Looper_callbackFunc callback, void* data);
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int ALooper_addFd(ALooper* looper, int fd, int ident, int events, Looper_callbackFunc callback, void* data)
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{
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return _ZN7android6Looper5addFdEiiiPFiiiPvES1_(looper, fd, ident, events, callback, data);
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}
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void _ZN7android6Looper4wakeEv(ALooper *this);
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void ALooper_wake(ALooper* looper) {
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_ZN7android6Looper4wakeEv(looper);
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}
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