When QEMU gets compiled with --enable-debug-tcg we can check for temporary leakage. Implement the necessary target code for this and fail emulation when we hit a leakage.
This hopefully ensures that we don't get new leaks. Signed-off-by: Alexander Graf <ag...@suse.de> --- target-ppc/translate.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 3a47b13..e9e7812 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -11767,6 +11767,7 @@ static inline void gen_intermediate_code_internal(PowerPCCPU *cpu, max_insns = CF_COUNT_MASK; gen_tb_start(); + tcg_clear_temp_count(); /* Set env in case of segfault during code fetch */ while (ctx.exception == POWERPC_EXCP_NONE && tcg_ctx.gen_opc_ptr < gen_opc_end) { @@ -11866,6 +11867,12 @@ static inline void gen_intermediate_code_internal(PowerPCCPU *cpu, */ break; } + if (tcg_check_temp_count()) { + fprintf(stderr, "Opcode %02x %02x %02x (%08x) leaked temporaries\n", + opc1(ctx.opcode), opc2(ctx.opcode), opc3(ctx.opcode), + ctx.opcode); + exit(1); + } } if (tb->cflags & CF_LAST_IO) gen_io_end(); -- 1.8.1.4