| 1 | // REQUIRES: linux, lld-available |
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| 2 | // |
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| 3 | // Make sure the build-id can be found in both EXEC and DYN (PIE) files, |
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| 4 | // even when the note has been loaded at an offset address in memory. |
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| 5 | // (The DYN case would also apply to libraries, not explicitly tested here.) |
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| 6 | |
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| 7 | // DEFINE: %{cflags} = |
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| 8 | // DEFINE: %{check} = ( \ |
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| 9 | // DEFINE: %clang_profgen -fuse-ld=lld -Wl,--build-id -o %t %s %{cflags} && \ |
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| 10 | // DEFINE: env LLVM_PROFILE_FILE=%t.profraw %run %t && \ |
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| 11 | // DEFINE: llvm-readelf --notes %t && \ |
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| 12 | // DEFINE: llvm-profdata show --binary-ids %t.profraw \ |
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| 13 | // DEFINE: ) | FileCheck %s |
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| 14 | |
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| 15 | // REDEFINE: %{cflags} = -no-pie |
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| 16 | // RUN: %{check} |
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| 17 | |
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| 18 | // REDEFINE: %{cflags} = -pie -fPIE |
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| 19 | // RUN: %{check} |
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| 20 | |
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| 21 | // Moving the note after .bss also gives it extra LOAD segment padding, |
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| 22 | // making its memory offset different than its file offset. |
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| 23 | // RUN: echo "SECTIONS { .note.gnu.build-id : {} } INSERT AFTER .bss;" >%t.script |
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| 24 | |
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| 25 | // REDEFINE: %{cflags} = -no-pie -Wl,--script=%t.script |
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| 26 | // RUN: %{check} |
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| 27 | |
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| 28 | // REDEFINE: %{cflags} = -pie -fPIE -Wl,--script=%t.script |
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| 29 | // RUN: %{check} |
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| 30 | |
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| 31 | // CHECK-LABEL{LITERAL}: .note.gnu.build-id |
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| 32 | // CHECK: Build ID: [[ID:[0-9a-f]+]] |
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| 33 | |
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| 34 | // CHECK-LABEL{LITERAL}: Instrumentation level: Front-end |
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| 35 | // CHECK-LABEL{LITERAL}: Binary IDs: |
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| 36 | // CHECK-NEXT: [[ID]] |
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| 37 | |
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| 38 | int main() { return 0; } |
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| 39 | |
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