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https://github.com/RGBCube/serenity
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d0edf2627c
This shouldn't cause any breaking changes, so a toolchain rebuild is not required. As per Hendiadyoin's request, math errno is disabled by default, which should enable some extra compiler optimizations in LibGL and LibSoftGPU code that uses math functions heavily. Co-Authored-By: Ali Mohammad Pur <mpfard@serenityos.org>
82 lines
2.8 KiB
Diff
82 lines
2.8 KiB
Diff
From 9297a27635e83df95c644b9f776d65078c97162e Mon Sep 17 00:00:00 2001
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From: Andreas Kling <awesomekling@gmail.com>
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Date: Mon, 16 May 2022 15:01:06 +0200
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Subject: [PATCH 3/6] libgcc: Build for SerenityOS
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This patch enables building gcc's own C runtime files, and sets up
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exception handling support.
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Co-Authored-By: Gunnar Beutner <gbeutner@serenityos.org>
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Co-Authored-By: Itamar <itamar8910@gmail.com>
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Co-Authored-By: Nico Weber <thakis@chromium.org>
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Co-Authored-By: Andrew Kaster <andrewdkaster@gmail.com>
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Co-Authored-By: Daniel Bertalan <dani@danielbertalan.dev>
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Co-Authored-By: Philip Herron <herron.philip@googlemail.com>
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Co-Authored-By: Shannon Booth <shannon.ml.booth@gmail.com>
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---
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gcc/configure | 3 +++
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libgcc/config.host | 16 ++++++++++++++++
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libgcc/unwind-dw2-fde-dip.c | 6 ++++++
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3 files changed, 25 insertions(+)
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diff --git a/gcc/configure b/gcc/configure
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index 5ce055771..2deaac5bc 100755
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--- a/gcc/configure
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+++ b/gcc/configure
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@@ -31608,6 +31608,9 @@ case "$target" in
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*-linux-musl*)
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gcc_cv_target_dl_iterate_phdr=yes
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;;
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+ *-serenity*)
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+ gcc_cv_target_dl_iterate_phdr=yes
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+ ;;
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esac
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if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
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diff --git a/libgcc/config.host b/libgcc/config.host
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index 8c56fcae5..f5855cfa6 100644
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--- a/libgcc/config.host
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+++ b/libgcc/config.host
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@@ -1534,6 +1534,22 @@ nvptx-*)
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tmake_file="$tmake_file nvptx/t-nvptx"
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extra_parts="crt0.o"
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;;
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+i[34567]86-*-serenity*)
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+ extra_parts="$extra_parts crti.o crtbegin.o crtbeginS.o crtend.o crtendS.o crtn.o"
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+ tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic t-slibgcc t-eh-dw2-dip"
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+ ;;
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+x86_64-*-serenity*)
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+ extra_parts="$extra_parts crti.o crtbegin.o crtbeginS.o crtend.o crtendS.o crtn.o"
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+ tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic t-slibgcc t-eh-dw2-dip"
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+ ;;
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+aarch64-*-serenity*)
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+ extra_parts="$extra_parts crti.o crtbegin.o crtend.o crtn.o"
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+ extra_parts="$extra_parts crtfastmath.o"
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+ tmake_file="$tmake_file ${cpu_type}/t-aarch64"
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+ tmake_file="$tmake_file ${cpu_type}/t-lse t-slibgcc-libgcc"
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+ tmake_file="$tmake_file ${cpu_type}/t-softfp t-softp t-crtfm"
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+ md_unwind_header=aarch64/aarch64-unwind.h
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+ ;;
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*)
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echo "*** Configuration ${host} not supported" 1>&2
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exit 1
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diff --git a/libgcc/unwind-dw2-fde-dip.c b/libgcc/unwind-dw2-fde-dip.c
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index 7f9be5e6b..817c3fe21 100644
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--- a/libgcc/unwind-dw2-fde-dip.c
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+++ b/libgcc/unwind-dw2-fde-dip.c
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@@ -57,6 +57,12 @@
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# define USE_PT_GNU_EH_FRAME
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#endif
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+#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
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+ && defined(TARGET_DL_ITERATE_PHDR) \
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+ && defined(__serenity__)
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+# define USE_PT_GNU_EH_FRAME
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+#endif
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+
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#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
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&& defined(TARGET_DL_ITERATE_PHDR) \
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&& defined(__linux__)
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--
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2.36.1
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