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dnl This Source Code Form is subject to the terms of the Mozilla Public
dnl License, v. 2.0. If a copy of the MPL was not distributed with this
dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
dnl Set MOZ_FRAMEPTR_FLAGS to the flags that should be used for enabling or
dnl disabling frame pointers in this architecture based on the configure
dnl options
AC_DEFUN([MOZ_SET_FRAMEPTR_FLAGS], [
case "$target" in
*android*)
unwind_tables="-funwind-tables"
;;
esac
if test "$GNU_CC"; then
MOZ_ENABLE_FRAME_PTR="-fno-omit-frame-pointer $unwind_tables"
MOZ_DISABLE_FRAME_PTR="-fomit-frame-pointer"
if test "$CPU_ARCH" = arm; then
# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54398
MOZ_ENABLE_FRAME_PTR="$unwind_tables"
fi
else
case "$target" in
dnl Oy (Frame-Pointer Omission) is only support on x86 compilers
*-mingw32*)
MOZ_ENABLE_FRAME_PTR="-Oy-"
MOZ_DISABLE_FRAME_PTR="-Oy"
;;
esac
fi
# If we are debugging, profiling, using sanitizers, or on win32 we want a
# frame pointer.
if test -z "$MOZ_OPTIMIZE" -o \
-n "$MOZ_PROFILING" -o \
-n "$MOZ_DEBUG" -o \
-n "$MOZ_MSAN" -o \
-n "$MOZ_ASAN" -o \
"$OS_ARCH:$CPU_ARCH" = "WINNT:x86"; then
MOZ_FRAMEPTR_FLAGS="$MOZ_ENABLE_FRAME_PTR"
else
MOZ_FRAMEPTR_FLAGS="$MOZ_DISABLE_FRAME_PTR"
fi
])
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