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Changes imported from Abseil "staging" branch:

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- b7ac57541b07fadc3ed054cc3d62bc192a2098a7 Redefine arithmetic assign operators in terms of the bina... by Alex Strelnikov <strel@google.com>
  - bb2bf3fd86eb9f24420376aad1b9fe84068ad7e4 Cmake CI for Ubuntu by Jon Cohen <cohenjon@google.com>
  - 3ff3e6d6b4d99627f0785cad5b562362bdf1ae37 Fix internal namespace (debug_internal -> debugging_inter... by Derek Mauro <dmauro@google.com>
  - b50753d757c95a3430cc2d6cfc0272af1e5c219c Internal change. by Alex Strelnikov <strel@google.com>

GitOrigin-RevId: b7ac57541b07fadc3ed054cc3d62bc192a2098a7
Change-Id: I7561639e296d1cc5dc7ee75e6645e8dae3f1bf97
This commit is contained in:
Abseil Team 2018-02-06 06:42:19 -08:00 • committed by katzdm
parent bf7fc9986e
commit 3917120a4c
12 changed files with 116 additions and 86 deletions
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8
absl/debugging/internal/stacktrace_powerpc-inl.inc
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@ -99,13 +99,13 @@ static void **NextStackFrame(void **old_sp, const void *uc) {
// possibly be there.
static const unsigned char *kernel_sigtramp_rt64_address = nullptr;
if (kernel_symbol_status == kNotInitialized) {
absl::debug_internal::VDSOSupport vdso;
absl::debugging_internal::VDSOSupport vdso;
if (vdso.IsPresent()) {
absl::debug_internal::VDSOSupport::SymbolInfo
absl::debugging_internal::VDSOSupport::SymbolInfo
sigtramp_rt64_symbol_info;
if (!vdso.LookupSymbol(
"__kernel_sigtramp_rt64", "LINUX_2.6.15",
absl::debug_internal::VDSOSupport::kVDSOSymbolType,
absl::debugging_internal::VDSOSupport::kVDSOSymbolType,
&sigtramp_rt64_symbol_info) ||
sigtramp_rt64_symbol_info.address == nullptr) {
// Unexpected: VDSO is present, yet the expected symbol is missing
@ -137,7 +137,7 @@ static void **NextStackFrame(void **old_sp, const void *uc) {
// Check that alleged stack pointer is actually readable. This is to
// prevent a "double fault" in case we hit the first fault due to e.g.
// a stack corruption.
if (absl::debug_internal::AddressIsReadable(sp_before_signal)) {
if (absl::debugging_internal::AddressIsReadable(sp_before_signal)) {
// Alleged stack pointer is readable, use it for further unwinding.
new_sp = sp_before_signal;
}