gcc-13 for RISC-V enables unwind tables by default similar to ARM64.
This generates .eh_frame_hdr section which is not handled well by
GenFw causing failures.

Disable the unwind tables by adding -fno-unwind-tables flag similar
to [1].

[1] - https://github.com/tianocore/edk2/commit/cbf00651eda6

Signed-off-by: Sunil V L <suni...@ventanamicro.com>
Cc: Rebecca Cran <rebe...@bsdio.com>
Cc: Liming Gao <gaolim...@byosoft.com.cn>
Cc: Bob Feng <bob.c.f...@intel.com>
Cc: Yuwei Chen <yuwei.c...@intel.com>
Cc: Andrei Warkentin <andrei.warken...@intel.com>
---
 BaseTools/Conf/tools_def.template | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/BaseTools/Conf/tools_def.template 
b/BaseTools/Conf/tools_def.template
index 92421e3d0118..90f4105506e5 100755
--- a/BaseTools/Conf/tools_def.template
+++ b/BaseTools/Conf/tools_def.template
@@ -858,7 +858,7 @@ DEFINE GCC5_RISCV_OPENSBI_TYPES                   = 
-DOPENSBI_EXTERNAL_SBI_TYPES
 
 DEFINE GCC5_RISCV64_ARCH                   = rv64gc
 DEFINE GCC5_RISCV32_RISCV64_ASLDLINK_FLAGS = DEF(GCC5_RISCV_ALL_DLINK_COMMON) 
-Wl,--entry,ReferenceAcpiTable -u ReferenceAcpiTable
-DEFINE GCC5_RISCV64_CC_FLAGS               = DEF(GCC5_RISCV_ALL_CC_FLAGS) 
DEF(GCC5_RISCV_ALL_CC_FLAGS_WARNING_DISABLE) DEF(GCC5_RISCV_OPENSBI_TYPES) 
-march=DEF(GCC5_RISCV64_ARCH) -fno-builtin -fno-builtin-memcpy 
-fno-stack-protector -Wno-address -fno-asynchronous-unwind-tables 
-Wno-unused-but-set-variable -fpack-struct=8 -mcmodel=medany -mabi=lp64 
-mno-relax
+DEFINE GCC5_RISCV64_CC_FLAGS               = DEF(GCC5_RISCV_ALL_CC_FLAGS) 
DEF(GCC5_RISCV_ALL_CC_FLAGS_WARNING_DISABLE) DEF(GCC5_RISCV_OPENSBI_TYPES) 
-march=DEF(GCC5_RISCV64_ARCH) -fno-builtin -fno-builtin-memcpy 
-fno-stack-protector -Wno-address -fno-asynchronous-unwind-tables 
-fno-unwind-tables -Wno-unused-but-set-variable -fpack-struct=8 -mcmodel=medany 
-mabi=lp64 -mno-relax
 DEFINE GCC5_RISCV64_DLINK_FLAGS            = DEF(GCC5_RISCV_ALL_DLINK_FLAGS) 
-Wl,-melf64lriscv,--oformat=elf64-littleriscv,--no-relax
 DEFINE GCC5_RISCV64_DLINK2_FLAGS           = DEF(GCC5_RISCV_ALL_DLINK2_FLAGS)
 DEFINE GCC5_RISCV64_ASM_FLAGS              = DEF(GCC5_RISCV_ALL_ASM_FLAGS) 
-march=DEF(GCC5_RISCV64_ARCH) -mcmodel=medany -mabi=lp64
-- 
2.34.1



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