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hv: mutl-arch: Makefile: move CONFIG_RELOC related options to arch specific

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To support CONFIG_RELOC differnt ${ARCH} has different CFLAGS and
LDFlAGS. This patch move CFLAGS and LDFLAGS to support x86 relocation
build to x86 arch/Makefile.

Tracked-On: #8825
Signed-off-by: Jian Jun Chen <jian.jun.chen@intel.com>
Acked-by: Wang, Yu1 <yu1.wang@intel.com>
This commit is contained in:
Jian Jun Chen
2025-09-30 09:06:03 +08:00
committed by acrnsi-robot
parent 1dee977429
commit 37692038c9
2 changed files with 13 additions and 16 deletions
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16
hypervisor/Makefile
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@@ -49,11 +49,6 @@ CFLAGS += -Werror
# ACRN depends on zero length array. Silence the gcc if Warrary-bounds is default option
CFLAGS += -Wno-array-bounds
CFLAGS += -O2
ifeq (y, $(CONFIG_RELOC))
CFLAGS += -fpie
else
CFLAGS += -static
endif
ifdef STACK_PROTECTOR
ifeq (true, $(shell [ $(GCC_MAJOR) -gt 4 ] && echo true))
@@ -80,17 +75,6 @@ LDFLAGS += -Wl,--gc-sections -nostartfiles -nostdlib
LDFLAGS += -Wl,-n,-z,max-page-size=0x1000
LDFLAGS += -Wl,--no-dynamic-linker
ifeq (y, $(CONFIG_RELOC))
# on X86_64, when build with "-pie", GCC fails on linking R_X86_64_32
# relocations with "recompile with fPIC" error, because it may cause
# run-time relocation overflow if it runs at address above 4GB.
# We know it's safe because Hypervisor runs under 4GB. "noreloc-overflow"
# is used to avoid the compile error
LDFLAGS += -pie -z noreloc-overflow
else
LDFLAGS += -static
endif
ifeq (y, $(CONFIG_RELEASE))
LDFLAGS += -s
endif

13
hypervisor/arch/x86/Makefile
View File

@@ -21,6 +21,19 @@ VP_X86_TEE_MOD = $(HV_MODDIR)/vp_x86_tee_mod.a
VP_HCALL_MOD = $(HV_MODDIR)/vp_hcall_mod.a
SYS_INIT_MOD = $(HV_MODDIR)/sys_init_mod.a
ifeq (y, $(CONFIG_RELOC))
CFLAGS += -fpie
# on X86_64, when build with "-pie", GCC fails on linking R_X86_64_32
# relocations with "recompile with fPIC" error, because it may cause
# run-time relocation overflow if it runs at address above 4GB.
# We know it's safe because Hypervisor runs under 4GB. "noreloc-overflow"
# is used to avoid the compile error
LDFLAGS += -pie -z noreloc-overflow
else
CFLAGS += -static
LDFLAGS += -static
endif
ARCH_CFLAGS += -m64 -mno-mmx -mno-sse -mno-sse2 -mno-80387 -mno-fp-ret-in-387
ARCH_CFLAGS += -mno-red-zone -mpopcnt