[libcxx-commits] [PATCH] D158011: Make _LIBUNWIND_SUPPORT_FRAME_APIS not conditional on target architecure.

[Sterling Augustine via Phabricator via libcxx-commits]

saugustine updated this revision to Diff 551324.
saugustine added a comment.

Switch to _LIBUNWIND_SUPPORT_FRAME_APIS a build-time option


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D158011/new/

https://reviews.llvm.org/D158011

Files:
  libunwind/CMakeLists.txt
  libunwind/src/config.h


Index: libunwind/src/config.h
===================================================================
--- libunwind/src/config.h
+++ libunwind/src/config.h
@@ -108,10 +108,6 @@
 #define _LIBUNWIND_BUILD_SJLJ_APIS
 #endif
 
-#if defined(__i386__) || defined(__x86_64__) || defined(__powerpc__)
-#define _LIBUNWIND_SUPPORT_FRAME_APIS
-#endif
-
 #if defined(__i386__) || defined(__x86_64__) || defined(__powerpc__) ||        \
     (!defined(__APPLE__) && defined(__arm__)) || defined(__aarch64__) ||       \
     defined(__mips__) || defined(__riscv) || defined(__hexagon__) ||           \
Index: libunwind/CMakeLists.txt
===================================================================
--- libunwind/CMakeLists.txt
+++ libunwind/CMakeLists.txt
@@ -51,6 +51,8 @@
 option(LIBUNWIND_USE_FRAME_HEADER_CACHE "Cache frame headers for unwinding. Requires locking dl_iterate_phdr." OFF)
 option(LIBUNWIND_REMEMBER_HEAP_ALLOC "Use heap instead of the stack for .cfi_remember_state." OFF)
 option(LIBUNWIND_INSTALL_HEADERS "Install the libunwind headers." ON)
+option(LIBUNWIND_ENABLE_FRAME_APIS "Include libgcc-compatible frame apis." ON)
+
 
 set(LIBUNWIND_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}" CACHE STRING
     "Define suffix of library directory name (32/64)")
@@ -250,6 +252,11 @@
   add_compile_flags(-D_LIBUNWIND_IS_NATIVE_ONLY)
 endif()
 
+# Include stubs for __register_frame_info_bases and related
+if (LIBUNWIND_ENABLE_FRAME_APIS)
+  add_compile_flags(-D_LIBUNWIND_SUPPORT_FRAME_APIS)
+endif()
+
 # Threading-support
 if (NOT LIBUNWIND_ENABLE_THREADS)
   add_compile_flags(-D_LIBUNWIND_HAS_NO_THREADS)


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