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43 lines
1.2 KiB
43 lines
1.2 KiB
4 months ago
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$ cat private_extern.c
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__attribute__((visibility("hidden")))
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int* foo() {
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int i = 10;
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volatile int* j = &i;
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return j;
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}
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int* bar() {
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return foo();
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}
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$ cat extern.c
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__attribute__((visibility("hidden")))
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int* foo() {
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int i = 10;
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volatile int* j = &i;
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return j;
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}
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int* bar() {
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return foo();
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}
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$ cat main.c
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int* bar();
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int main() {
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return *bar();
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}
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$ cat alias_list
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_foo _baz
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$ xcrun --sdk iphoneos clang -g private_extern.c -c -o private_extern.o -target arm64-apple-ios14.0
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$ xcrun --sdk iphoneos clang -g main.c -c -o main.o -target arm64-apple-ios14.0
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$ xcrun --sdk iphoneos clang private_extern.o main.o -target arm64-apple-ios14.0 -o private_extern.out -Xlinker -alias_list -Xlinker alias_list
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RUN: dsymutil -oso-prepend-path %p/../Inputs %p/../Inputs/private/tmp/private_extern/private_extern.out -o %t.dSYM --verbose 2>&1 | FileCheck %s
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RUN: dsymutil -oso-prepend-path %p/../Inputs %p/../Inputs/private/tmp/extern/extern.out -o %t.dSYM --verbose 2>&1 | FileCheck %s
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CHECK-NOT: could not find object file symbol for symbol _baz
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CHECK: { sym: _foo, objAddr: 0x0, binAddr: 0x100007F58, size: 0x20 }
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CHECK: { sym: _baz, objAddr: 0x0, binAddr: 0x100007F58, size: 0x0 }
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