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abseil-cpp
Commit 0232c87f by Sinan Kaya Committed by GitHub
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Add missing ABSL_HAVE_VDSO_SUPPORT conditional (#622) 

Signed-off-by: Sinan Kaya <sinan.kaya@microsoft.com>
parent 3c814105
Showing with 4 additions and 0 deletions
absl/debugging/internal/stacktrace_x86-inl.inc
......@@ -173,6 +173,7 @@ static void **NextStackFrame(void **old_fp, const void *uc) {
static const unsigned char *kernel_rt_sigreturn_address = nullptr;
static const unsigned char *kernel_vsyscall_address = nullptr;
if (num_push_instructions == -1) {
#ifdef ABSL_HAVE_VDSO_SUPPORT
absl::debugging_internal::VDSOSupport vdso;
if (vdso.IsPresent()) {
absl::debugging_internal::VDSOSupport::SymbolInfo
......@@ -201,6 +202,9 @@ static void **NextStackFrame(void **old_fp, const void *uc) {
} else {
num_push_instructions = 0;
}
#else
num_push_instructions = 0;
#endif
}
if (num_push_instructions != 0 && kernel_rt_sigreturn_address != nullptr &&
old_fp[1] == kernel_rt_sigreturn_address) {
......
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