Building with "build -p OvmfPkg/OvmfPkgX64.dsc -a X64 -t CLANGDWARF -b
RELEASE" on FreeBSD causes the following errors:
ld.lld: error: relocation R_X86_64_64 cannot be used against local
symbol; recompile with -fPIC
>>> defined in
/home/bcran/src/uefi/edk2/Build/OvmfX64/RELEASE_CLANGDWARF/X64/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib/OUTPUT/SecPeiCpuExceptionHandlerLib.lib(ExceptionHandlerAsm.obj)
>>> referenced by
/home/bcran/src/uefi/edk2/Build/OvmfX64/RELEASE_CLANGDWARF/X64/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib/OUTPUT/X64/ExceptionHandlerAsm.iii
>>> ExceptionHandlerAsm.obj:(.text+0x5) in archive
/home/bcran/src/uefi/edk2/Build/OvmfX64/RELEASE_CLANGDWARF/X64/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib/OUTPUT/SecPeiCpuExceptionHandlerLib.lib
ld.lld: error: relocation R_X86_64_64 cannot be used against local
symbol; recompile with -fPIC
>>> defined in
/home/bcran/src/uefi/edk2/Build/OvmfX64/RELEASE_CLANGDWARF/X64/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib/OUTPUT/SecPeiCpuExceptionHandlerLib.lib(ExceptionHandlerAsm.obj)
>>> referenced by
/home/bcran/src/uefi/edk2/Build/OvmfX64/RELEASE_CLANGDWARF/X64/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib/OUTPUT/X64/ExceptionHandlerAsm.iii
>>> ExceptionHandlerAsm.obj:(.text+0x14) in archive
/home/bcran/src/uefi/edk2/Build/OvmfX64/RELEASE_CLANGDWARF/X64/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib/OUTPUT/SecPeiCpuExceptionHandlerLib.lib
ld.lld: error: relocation R_X86_64_64 cannot be used against local
symbol; recompile with -fPIC
>>> defined in
/home/bcran/src/uefi/edk2/Build/OvmfX64/RELEASE_CLANGDWARF/X64/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib/OUTPUT/SecPeiCpuExceptionHandlerLib.lib(ExceptionHandlerAsm.obj)
>>> referenced by
/home/bcran/src/uefi/edk2/Build/OvmfX64/RELEASE_CLANGDWARF/X64/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib/OUTPUT/X64/ExceptionHandlerAsm.iii
>>> ExceptionHandlerAsm.obj:(.text+0x23) in archive
/home/bcran/src/uefi/edk2/Build/OvmfX64/RELEASE_CLANGDWARF/X64/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib/OUTPUT/SecPeiCpuExceptionHandlerLib.lib
Thinking about it, it might actually be a problem with the FreeBSD
system toolchain. On Linux, I get a different set of errors about
redefining uint64_t etc.
--
Rebecca Cran
On 3/17/23 11:44 AM, Marvin Häuser wrote:
Which error precisely?
X64 PIE *must not* be disabled, as it’s used to enforce RIP-relative addressing
where possible and has been for many years. Meanwhile the issues with IA32 is
PIE was disabled by default for most toolchains, but some enable it nowadays
(and thus it must be disabled explicitly).
Best regards,
Marvin
On 17. Mar 2023, at 18:30, Rebecca Cran <rebe...@bsdio.com> wrote:
I've also seen that error building X64 firmware.
Could you update those flags too, please?
--
Rebecca Cran
On 3/17/23 8:06 AM, Patrick Rudolph wrote:
The clang toolchain might default to fPIE/fPIC, which prevents
lld from linking the objects into a binary.
Specify -fno-pie -fno-pic as done on GCC to fix linking.
Test:
Building the Universal Payload using the command
'python UefiPayloadPkg/UniversalPayloadBuild.py -a IA32' actually
works.
Signed-off-by: Patrick Rudolph <patrick.rudo...@9elements.com>
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=4356
---
BaseTools/Conf/tools_def.template | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/BaseTools/Conf/tools_def.template
b/BaseTools/Conf/tools_def.template
index 471eb67c0c..9b59bd75c3 100755
--- a/BaseTools/Conf/tools_def.template
+++ b/BaseTools/Conf/tools_def.template
@@ -2888,7 +2888,7 @@ DEFINE CLANGDWARF_X64_DLINK2_FLAGS =
-Wl,--defsym=PECOFF_HEADER_SIZE=0x22
*_CLANGDWARF_IA32_RC_PATH = DEF(CLANGDWARF_IA32_PREFIX)llvm-rc
*_CLANGDWARF_IA32_ASLCC_FLAGS = DEF(GCC_ASLCC_FLAGS) -m32 -fno-lto
DEF(CLANG38_IA32_TARGET)
-*_CLANGDWARF_IA32_ASLDLINK_FLAGS =
DEF(CLANGDWARF_IA32_X64_ASLDLINK_FLAGS) -Wl,-m,elf_i386 -fuse-ld=lld
+*_CLANGDWARF_IA32_ASLDLINK_FLAGS =
DEF(CLANGDWARF_IA32_X64_ASLDLINK_FLAGS) -Wl,-m,elf_i386 -fuse-ld=lld -no-pie
*_CLANGDWARF_IA32_ASM_FLAGS = DEF(GCC5_ASM_FLAGS) -m32 -march=i386
DEF(CLANG38_IA32_TARGET)
*_CLANGDWARF_IA32_RC_FLAGS = DEF(GCC_IA32_RC_FLAGS)
*_CLANGDWARF_IA32_OBJCOPY_FLAGS =
@@ -2897,17 +2897,17 @@ DEFINE CLANGDWARF_X64_DLINK2_FLAGS =
-Wl,--defsym=PECOFF_HEADER_SIZE=0x22
*_CLANGDWARF_IA32_ASLPP_FLAGS = DEF(GCC_ASLPP_FLAGS)
DEF(CLANG38_IA32_TARGET)
*_CLANGDWARF_IA32_VFRPP_FLAGS = DEF(GCC_VFRPP_FLAGS)
DEF(CLANG38_IA32_TARGET)
-DEBUG_CLANGDWARF_IA32_CC_FLAGS = DEF(CLANG38_ALL_CC_FLAGS) -m32 -Oz
-flto -march=i586 DEF(CLANG38_IA32_TARGET) -g -malign-double
+DEBUG_CLANGDWARF_IA32_CC_FLAGS = DEF(CLANG38_ALL_CC_FLAGS) -fno-pic
-fno-pie -m32 -Oz -flto -march=i586 DEF(CLANG38_IA32_TARGET) -g -malign-double
DEBUG_CLANGDWARF_IA32_DLINK_FLAGS = DEF(CLANGDWARF_IA32_X64_DLINK_FLAGS)
-flto -Wl,-O3 -Wl,-melf_i386 -Wl,--oformat,elf32-i386
-DEBUG_CLANGDWARF_IA32_DLINK2_FLAGS = DEF(CLANGDWARF_IA32_DLINK2_FLAGS) -O3
-fuse-ld=lld
+DEBUG_CLANGDWARF_IA32_DLINK2_FLAGS = DEF(CLANGDWARF_IA32_DLINK2_FLAGS) -O3
-fuse-ld=lld -no-pie
-RELEASE_CLANGDWARF_IA32_CC_FLAGS = DEF(CLANG38_ALL_CC_FLAGS) -m32 -Oz
-flto -march=i586 DEF(CLANG38_IA32_TARGET) -malign-double
+RELEASE_CLANGDWARF_IA32_CC_FLAGS = DEF(CLANG38_ALL_CC_FLAGS) -fno-pic
-fno-pie -m32 -Oz -flto -march=i586 DEF(CLANG38_IA32_TARGET) -malign-double
RELEASE_CLANGDWARF_IA32_DLINK_FLAGS = DEF(CLANGDWARF_IA32_X64_DLINK_FLAGS)
-flto -Wl,-O3 -Wl,-melf_i386 -Wl,--oformat,elf32-i386
-RELEASE_CLANGDWARF_IA32_DLINK2_FLAGS = DEF(CLANGDWARF_IA32_DLINK2_FLAGS) -O3
-fuse-ld=lld
+RELEASE_CLANGDWARF_IA32_DLINK2_FLAGS = DEF(CLANGDWARF_IA32_DLINK2_FLAGS) -O3
-fuse-ld=lld -no-pie
-NOOPT_CLANGDWARF_IA32_CC_FLAGS = DEF(CLANG38_ALL_CC_FLAGS) -m32 -O0
-march=i586 DEF(CLANG38_IA32_TARGET) -g -malign-double
+NOOPT_CLANGDWARF_IA32_CC_FLAGS = DEF(CLANG38_ALL_CC_FLAGS) -fno-pic
-fno-pie -m32 -O0 -march=i586 DEF(CLANG38_IA32_TARGET) -g -malign-double
NOOPT_CLANGDWARF_IA32_DLINK_FLAGS = DEF(CLANGDWARF_IA32_X64_DLINK_FLAGS)
-Wl,-O0 -Wl,-melf_i386 -Wl,--oformat,elf32-i386
-NOOPT_CLANGDWARF_IA32_DLINK2_FLAGS = DEF(CLANGDWARF_IA32_DLINK2_FLAGS) -O0
-fuse-ld=lld
+NOOPT_CLANGDWARF_IA32_DLINK2_FLAGS = DEF(CLANGDWARF_IA32_DLINK2_FLAGS) -O0
-fuse-ld=lld -no-pie
##########################
# CLANGDWARF X64 definitions
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