On 3/22/23 07:29, Philippe Mathieu-Daudé wrote:
aarch64_gdb_get_pauth_reg() -- although disabled since commit 5787d17a42 ("target/arm: Don't advertise aarch64-pauth.xml to gdb") is still compiled in. It calls pauth_ptr_mask() which is located in target/arm/tcg/pauth_helper.c, a TCG specific helper.Restrict aarch64_gdb_get_pauth_reg() to TCG to avoid a linking error when TCG is not enabled: Undefined symbols for architecture arm64: "_pauth_ptr_mask", referenced from: _aarch64_gdb_get_pauth_reg in target_arm_gdbstub64.c.o ld: symbol(s) not found for architecture arm64 clang: error: linker command failed with exit code 1 (use -v to see invocation)
I guess we should move this function somewhere else, because KVM can certainly use pauth, and we do want to be able to produce nice backtraces with gdb.
r~
