From e389d5fbc296e496db15368b2b621e0f178f7f34 Mon Sep 17 00:00:00 2001
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From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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Date: Sat, 8 May 2021 21:28:10 +0200
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Subject: [PATCH] Makefile: unconditionally disable SSP
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Though -nostdlib is passed in {C,+AS,DTSCPP}FLAGS, -fno-stack-protector
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must also be passed to avoid linking errors related to undefined
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references to '__stack_chk_guard' and '__stack_chk_fail' if toolchain
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enforces -fstack-protector.
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Fixes:
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- https://gitlab.com/kubu93/buildroot/-/jobs/1247043359
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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[Upstream status: https://github.com/riscv/opensbi/pull/211]
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---
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Makefile | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/Makefile b/Makefile
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index eeffe6b..1419360 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -203,7 +203,7 @@ GENFLAGS += $(libsbiutils-genflags-y)
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GENFLAGS += $(platform-genflags-y)
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GENFLAGS += $(firmware-genflags-y)
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-CFLAGS = -g -Wall -Werror -ffreestanding -nostdlib -fno-strict-aliasing -O2
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+CFLAGS = -g -Wall -Werror -ffreestanding -nostdlib -fno-stack-protector -fno-strict-aliasing -O2
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CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
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CFLAGS += -mno-save-restore -mstrict-align
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CFLAGS += -mabi=$(PLATFORM_RISCV_ABI) -march=$(PLATFORM_RISCV_ISA)
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@@ -217,7 +217,7 @@ CPPFLAGS += $(GENFLAGS)
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CPPFLAGS += $(platform-cppflags-y)
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CPPFLAGS += $(firmware-cppflags-y)
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-ASFLAGS = -g -Wall -nostdlib -D__ASSEMBLY__
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+ASFLAGS = -g -Wall -nostdlib -fno-stack-protector -D__ASSEMBLY__
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ASFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
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ASFLAGS += -mno-save-restore -mstrict-align
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ASFLAGS += -mabi=$(PLATFORM_RISCV_ABI) -march=$(PLATFORM_RISCV_ISA)
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@@ -236,7 +236,7 @@ MERGEFLAGS += -r
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MERGEFLAGS += -b elf$(PLATFORM_RISCV_XLEN)-littleriscv
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MERGEFLAGS += -m elf$(PLATFORM_RISCV_XLEN)lriscv
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-DTSCPPFLAGS = $(CPPFLAGS) -nostdinc -nostdlib -fno-builtin -D__DTS__ -x assembler-with-cpp
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+DTSCPPFLAGS = $(CPPFLAGS) -nostdinc -nostdlib -fno-stack-protector -fno-builtin -D__DTS__ -x assembler-with-cpp
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# Setup functions for compilation
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define dynamic_flags
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--
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2.30.2
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