commit af39e133059928cfcdeea0592434720897f20173
author SSE4 <tomskside@gmail.com> Fri Jan 29 02:04:45 2021 +0700
committer GitHub <noreply@github.com> Thu Jan 28 14:04:45 2021 -0500
tree de51ba73131a15972d6fb4220f1c928f2c096dc4
parent e4e2e57e1a4308cf4ba008d9c1f2d478b3349201

Add support for Elbrus 2000 (e2k) (#889)

absl/base/attributes.h

diff --git a/absl/base/attributes.h b/absl/base/attributes.h
index 0ba1e7d..f14f7bb 100644
--- a/absl/base/attributes.h
+++ b/absl/base/attributes.h
@@ -121,7 +121,7 @@
 #if ABSL_HAVE_ATTRIBUTE(disable_tail_calls)
 #define ABSL_HAVE_ATTRIBUTE_NO_TAIL_CALL 1
 #define ABSL_ATTRIBUTE_NO_TAIL_CALL __attribute__((disable_tail_calls))
-#elif defined(__GNUC__) && !defined(__clang__)
+#elif defined(__GNUC__) && !defined(__clang__) && !defined(__e2k__)
 #define ABSL_HAVE_ATTRIBUTE_NO_TAIL_CALL 1
 #define ABSL_ATTRIBUTE_NO_TAIL_CALL \
   __attribute__((optimize("no-optimize-sibling-calls")))

absl/debugging/internal/examine_stack.cc

diff --git a/absl/debugging/internal/examine_stack.cc b/absl/debugging/internal/examine_stack.cc
index 6e5ff1f..5791302 100644
--- a/absl/debugging/internal/examine_stack.cc
+++ b/absl/debugging/internal/examine_stack.cc
@@ -66,6 +66,8 @@
 #elif defined(__x86_64__)
     if (16 < ABSL_ARRAYSIZE(context->uc_mcontext.gregs))
       return reinterpret_cast<void*>(context->uc_mcontext.gregs[16]);
+#elif defined(__e2k__)
+    return reinterpret_cast<void*>(context->uc_mcontext.cr0_hi);
 #else
 #error "Undefined Architecture."
 #endif