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[release/6.0-staging] define UNW_AARCH64 aliases conditionally #84873

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merged 1 commit into from
May 3, 2023
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[release/6.0-staging] define UNW_AARCH64 aliases conditionally #84873

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1 change: 1 addition & 0 deletions src/coreclr/pal/src/config.h.in
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,7 @@
#cmakedefine01 HAVE_SCHED_SETAFFINITY
#cmakedefine HAVE_UNW_GET_SAVE_LOC
#cmakedefine HAVE_UNW_GET_ACCESSORS
#cmakedefine HAVE_UNW_AARCH64_X19
#cmakedefine01 HAVE_XSWDEV
#cmakedefine01 HAVE_XSW_USAGE
#cmakedefine01 HAVE_PUBLIC_XSTATE_STRUCT
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9 changes: 9 additions & 0 deletions src/coreclr/pal/src/configure.cmake
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Expand Up @@ -1047,6 +1047,15 @@ int main(int argc, char **argv)
check_symbol_exists(unw_get_save_loc libunwind.h HAVE_UNW_GET_SAVE_LOC)
check_symbol_exists(unw_get_accessors libunwind.h HAVE_UNW_GET_ACCESSORS)

check_cxx_source_compiles("
#include <libunwind.h>

int main(int argc, char **argv)
{
int flag = (int)UNW_AARCH64_X19;
return 0;
}" HAVE_UNW_AARCH64_X19)

if(NOT CLR_CMAKE_USE_SYSTEM_LIBUNWIND)
list(REMOVE_AT CMAKE_REQUIRED_INCLUDES 0 1)
endif()
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2 changes: 1 addition & 1 deletion src/coreclr/pal/src/exception/seh-unwind.cpp
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Expand Up @@ -54,7 +54,7 @@ Module Name:

#endif // HOST_UNIX

#if defined(TARGET_OSX) && defined(TARGET_ARM64)
#if defined(TARGET_OSX) && defined(TARGET_ARM64) && !defined(HAVE_UNW_AARCH64_X19)
// MacOS uses ARM64 instead of AARCH64 to describe these registers
// Create aliases to reuse more code
enum
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