From 0354e007a6235df81e208fa89cbf1571a8b56975 Mon Sep 17 00:00:00 2001
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From: Stafford Horne <shorne@gmail.com>
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Date: Sun, 2 May 2021 06:11:45 +0900
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Subject: [PATCH] or1k: Use cmodel=large when building crtstuff
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When linking gcc runtime objects into large binaries the link may fail
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with the below errors. This will happen even if we are building with
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-mcmodel=large.
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/home/shorne/work/openrisc/output/host/lib/gcc/or1k-buildroot-linux-uclibc/10.3.0/crtbeginS.o: in function `deregister_tm_clones':
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crtstuff.c:(.text+0x3c): relocation truncated to fit: R_OR1K_GOT16 against undefined symbol `_ITM_deregisterTMCloneTable'
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/home/shorne/work/openrisc/output/host/lib/gcc/or1k-buildroot-linux-uclibc/10.3.0/crtbeginS.o: in function `register_tm_clones':
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crtstuff.c:(.text+0xc0): relocation truncated to fit: R_OR1K_GOT16 against undefined symbol `_ITM_registerTMCloneTable'
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This patch builds the gcc crtstuff binaries always with the
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-mcmodel=large option to ensure they can be linked into large binaries.
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libgcc/ChangeLog:
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PR 99783
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* config.host (or1k-*, tmake_file): Add or1k/t-crtstuff.
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* config/or1k/t-crtstuff: New file.
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Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
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---
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libgcc/config.host | 4 ++--
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libgcc/config/or1k/t-crtstuff | 2 ++
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2 files changed, 4 insertions(+), 2 deletions(-)
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create mode 100644 libgcc/config/or1k/t-crtstuff
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diff --git a/libgcc/config.host b/libgcc/config.host
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index c529cc40f0c..ddf0033e28c 100644
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--- a/libgcc/config.host
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+++ b/libgcc/config.host
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@@ -1127,12 +1127,12 @@ nios2-*-*)
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extra_parts="$extra_parts crti.o crtn.o"
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;;
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or1k-*-linux*)
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- tmake_file="$tmake_file or1k/t-or1k"
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+ tmake_file="$tmake_file or1k/t-or1k or1k/t-crtstuff"
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tmake_file="$tmake_file t-softfp-sfdf t-softfp"
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md_unwind_header=or1k/linux-unwind.h
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;;
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or1k-*-*)
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- tmake_file="$tmake_file or1k/t-or1k"
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+ tmake_file="$tmake_file or1k/t-or1k or1k/t-crtstuff"
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tmake_file="$tmake_file t-softfp-sfdf t-softfp"
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;;
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pdp11-*-*)
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diff --git a/libgcc/config/or1k/t-crtstuff b/libgcc/config/or1k/t-crtstuff
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new file mode 100644
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index 00000000000..dcae7f3498e
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--- /dev/null
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+++ b/libgcc/config/or1k/t-crtstuff
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@@ -0,0 +1,2 @@
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+# Compile crtbeginS.o and crtendS.o with -mcmodel=large
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+CRTSTUFF_T_CFLAGS_S += -mcmodel=large
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--
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2.25.1
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