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authorAndrew Burgess <andrew.burgess@embecosm.com>2023-08-05 14:56:31 +0200
committerIain Sandoe <iain@sandoe.co.uk>2023-10-22 14:01:30 +0100
commitcbf6da166ea7993e166dcb121fc7b9ef4ec87c89 (patch)
treef9adb68d9e5137f95204cbb3cbde2d2438ec5cc1 /gcc/config.gcc
parent28d8c680aaea46137170fef2bd1c6a98301518dc (diff)
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target: Support heap-based trampolines
Enable -ftrampoline-impl=heap by default if we are on macOS 11 or later. Co-Authored-By: Maxim Blinov <maxim.blinov@embecosm.com> Co-Authored-By: Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> Co-Authored-By: Iain Sandoe <iain@sandoe.co.uk> gcc/ChangeLog: * config.gcc: Default to heap trampolines on macOS 11 and above. * config/i386/darwin.h: Define X86_CUSTOM_FUNCTION_TEST. * config/i386/i386.h: Define X86_CUSTOM_FUNCTION_TEST. * config/i386/i386.cc: Use X86_CUSTOM_FUNCTION_TEST.
Diffstat (limited to 'gcc/config.gcc')
-rw-r--r--gcc/config.gcc11
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/config.gcc b/gcc/config.gcc
index 0782cbc..606d3a8 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1171,6 +1171,17 @@ case ${target} in
;;
esac
+# Figure out if we need to enable heap trampolines by default
+case ${target} in
+*-*-darwin2*)
+ # Currently, we do this for macOS 11 and above.
+ tm_defines="$tm_defines HEAP_TRAMPOLINES_INIT=1"
+ ;;
+*)
+ tm_defines="$tm_defines HEAP_TRAMPOLINES_INIT=0"
+ ;;
+esac
+
case ${target} in
aarch64*-*-elf | aarch64*-*-fuchsia* | aarch64*-*-rtems*)
tm_file="${tm_file} elfos.h newlib-stdint.h"