hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
25 lines
714 B
C++
25 lines
714 B
C++
#include <android/dlext.h>
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#include <dlfcn.h>
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#include <stdlib.h>
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extern "C" void __attribute__((section(".custom_text"))) text_before_start_of_gap() {}
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char __attribute__((section(".custom_bss"))) end_of_gap[0x1000];
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extern "C" void* get_inner() {
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android_dlextinfo info = {};
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info.flags = ANDROID_DLEXT_RESERVED_ADDRESS;
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char* start_of_gap =
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reinterpret_cast<char*>(reinterpret_cast<uintptr_t>(text_before_start_of_gap) & ~0xfffull) +
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0x1000;
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info.reserved_addr = start_of_gap;
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info.reserved_size = end_of_gap - start_of_gap;
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void *handle = android_dlopen_ext("libsegment_gap_inner.so", RTLD_NOW, &info);
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if (!handle) {
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__builtin_trap();
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}
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return dlsym(handle, "inner");
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}
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