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| author | Alexander Graf <agraf@suse.de> | 2014-01-19 17:28:33 +0100 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-06-16 13:24:34 +0200 |
| commit | 3de31797825e94fd67ee7c2e877127acc3d2edbd (patch) | |
| tree | e3f7bac07a73df0bd39b809d183756bfb1903675 /target-ppc/translate.c | |
| parent | c80d1df5083846396ab5120731a76a9d62900fda (diff) | |
| download | qemu-3de31797825e94fd67ee7c2e877127acc3d2edbd.tar.gz | |
PPC: Fail on leaking temporaries
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 <agraf@suse.de>
Diffstat (limited to 'target-ppc/translate.c')
| -rw-r--r-- | target-ppc/translate.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 1603995e06..7be776f161 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(); |