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gcc.gnu.org Git - gcc.git/commit
libgcc: support heap-based trampolines
Add support for heap-based trampolines on x86_64-linux, aarch64-linux,
and x86_64-darwin. Implement the __builtin_nested_func_ptr_created and
__builtin_nested_func_ptr_deleted functions for these targets.
Co-Authored-By: Maxim Blinov <maxim.blinov@embecosm.com>
Co-Authored-By: Iain Sandoe <iain@sandoe.co.uk>
Co-Authored-By: Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
libgcc/ChangeLog:
* libgcc2.h (__builtin_nested_func_ptr_created): Declare.
(__builtin_nested_func_ptr_deleted): Declare.
* libgcc-std.ver.in: Add the new symbols.
* config/aarch64/heap-trampoline.c: Implement heap-based
trampolines for aarch64.
* config/aarch64/t-heap-trampoline: Add rule to build
config/aarch64/heap-trampoline.c
* config/i386/heap-trampoline.c: Implement heap-based
trampolines for x86_64.
* config/i386/t-heap-trampoline: Add rule to build
config/i386/heap-trampoline.cc
* config.host: Handle --enable-heap-trampolines on
x86_64-*-linux*, aarch64-*-linux*, x86_64-*-darwin*.
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