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annotate projects/compiler-rt/test/cfi/cross-dso/util/cfi_stubs.h @ 181:df311c476dd5

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CreateIdentifierInfo in ParseCbC (not yet worked)
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 31 May 2020 12:30:11 +0900
parents f476a9ba4795
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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131
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1 // This is a hack to access CFI interface that Android has in libdl.so on
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2 // device, but not in the NDK.
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3 #include <dlfcn.h>
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4 #include <stdint.h>
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5 #include <stdlib.h>
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6
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7 typedef void (*cfi_slowpath_ty)(uint64_t, void *);
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8 typedef void (*cfi_slowpath_diag_ty)(uint64_t, void *, void *);
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9
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10 static cfi_slowpath_ty cfi_slowpath;
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11 static cfi_slowpath_diag_ty cfi_slowpath_diag;
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12
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13 __attribute__((constructor(0), no_sanitize("cfi"))) static void init() {
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14 cfi_slowpath = (cfi_slowpath_ty)dlsym(RTLD_NEXT, "__cfi_slowpath");
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15 cfi_slowpath_diag =
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16 (cfi_slowpath_diag_ty)dlsym(RTLD_NEXT, "__cfi_slowpath_diag");
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17 if (!cfi_slowpath || !cfi_slowpath_diag) abort();
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18 }
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19
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20 extern "C" {
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21 __attribute__((visibility("hidden"), no_sanitize("cfi"))) void __cfi_slowpath(
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22 uint64_t Type, void *Addr) {
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23 cfi_slowpath(Type, Addr);
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24 }
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26 __attribute__((visibility("hidden"), no_sanitize("cfi"))) void
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27 __cfi_slowpath_diag(uint64_t Type, void *Addr, void *Diag) {
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28 cfi_slowpath_diag(Type, Addr, Diag);
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29 }
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30 }