bc1e0c53a2
Using a `--section-start` address in the test was causing link errors on some targets. Now it uses a linker script to move the note after `.bss`, which should still have the kind of memory offset we're looking for. This is a follow-up to #114907 to fix buildbot errors.
39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
// REQUIRES: linux, lld-available
|
|
//
|
|
// Make sure the build-id can be found in both EXEC and DYN (PIE) files,
|
|
// even when the note has been loaded at an offset address in memory.
|
|
// (The DYN case would also apply to libraries, not explicitly tested here.)
|
|
|
|
// DEFINE: %{cflags} =
|
|
// DEFINE: %{check} = ( \
|
|
// DEFINE: %clang_profgen -fuse-ld=lld -Wl,--build-id -o %t %s %{cflags} && \
|
|
// DEFINE: env LLVM_PROFILE_FILE=%t.profraw %run %t && \
|
|
// DEFINE: llvm-readelf --notes %t && \
|
|
// DEFINE: llvm-profdata show --binary-ids %t.profraw \
|
|
// DEFINE: ) | FileCheck %s
|
|
|
|
// REDEFINE: %{cflags} = -no-pie
|
|
// RUN: %{check}
|
|
|
|
// REDEFINE: %{cflags} = -pie -fPIE
|
|
// RUN: %{check}
|
|
|
|
// Moving the note after .bss also gives it extra LOAD segment padding,
|
|
// making its memory offset different than its file offset.
|
|
// RUN: echo "SECTIONS { .note.gnu.build-id : {} } INSERT AFTER .bss;" >%t.script
|
|
|
|
// REDEFINE: %{cflags} = -no-pie -Wl,--script=%t.script
|
|
// RUN: %{check}
|
|
|
|
// REDEFINE: %{cflags} = -pie -fPIE -Wl,--script=%t.script
|
|
// RUN: %{check}
|
|
|
|
// CHECK-LABEL{LITERAL}: .note.gnu.build-id
|
|
// CHECK: Build ID: [[ID:[0-9a-f]+]]
|
|
|
|
// CHECK-LABEL{LITERAL}: Instrumentation level: Front-end
|
|
// CHECK-LABEL{LITERAL}: Binary IDs:
|
|
// CHECK-NEXT: [[ID]]
|
|
|
|
int main() { return 0; }
|