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authorGravatar Roman Gershman <romange@gmail.com>2020-11-05 21:14:20 +0200
committerGravatar GitHub <noreply@github.com>2020-11-05 14:14:20 -0500
commit731852f10b737c5a5c3be93777a2c17b24b4c5a6 (patch)
treeb78c007a53103b279e0ade0d058e94b081ce201e /absl/debugging/internal/stacktrace_aarch64-inl.inc
parent2e5f2bcfd9adef0a40cbfdc7d92e24e97dad8776 (diff)
Fix stacktrace on aarch64 architecture. Fixes #805 (#827)
* Fix stacktrace on aarch64 architecture * Tweak formatting to fit in 80 cols
Diffstat (limited to 'absl/debugging/internal/stacktrace_aarch64-inl.inc')
-rw-r--r--absl/debugging/internal/stacktrace_aarch64-inl.inc7
1 files changed, 5 insertions, 2 deletions
diff --git a/absl/debugging/internal/stacktrace_aarch64-inl.inc b/absl/debugging/internal/stacktrace_aarch64-inl.inc
index 14a76f1e..f4859d7c 100644
--- a/absl/debugging/internal/stacktrace_aarch64-inl.inc
+++ b/absl/debugging/internal/stacktrace_aarch64-inl.inc
@@ -37,8 +37,11 @@ static const unsigned char* GetKernelRtSigreturnAddress() {
absl::debugging_internal::VDSOSupport vdso;
if (vdso.IsPresent()) {
absl::debugging_internal::VDSOSupport::SymbolInfo symbol_info;
- if (!vdso.LookupSymbol("__kernel_rt_sigreturn", "LINUX_2.6.39", STT_FUNC,
- &symbol_info) ||
+ auto lookup = [&](int type) {
+ return vdso.LookupSymbol("__kernel_rt_sigreturn", "LINUX_2.6.39", type,
+ &symbol_info);
+ };
+ if ((!lookup(STT_FUNC) && !lookup(STT_NOTYPE)) ||
symbol_info.address == nullptr) {
// Unexpected: VDSO is present, yet the expected symbol is missing
// or null.