diff options
Diffstat (limited to 'accel/tcg')
| -rw-r--r-- | accel/tcg/translate-all.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index d09c187e0f..81d4c83f22 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -1926,11 +1926,17 @@ TranslationBlock *tb_gen_code(CPUState *cpu, ti = profile_getclock(); #endif + gen_code_size = sigsetjmp(tcg_ctx->jmp_trans, 0); + if (unlikely(gen_code_size != 0)) { + goto error_return; + } + tcg_func_start(tcg_ctx); tcg_ctx->cpu = env_cpu(env); gen_intermediate_code(cpu, tb, max_insns); tcg_ctx->cpu = NULL; + max_insns = tb->icount; trace_translate_block(tb, tb->pc, tb->tc.ptr); @@ -1955,6 +1961,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu, gen_code_size = tcg_gen_code(tcg_ctx, tb); if (unlikely(gen_code_size < 0)) { + error_return: switch (gen_code_size) { case -1: /* @@ -1966,6 +1973,9 @@ TranslationBlock *tb_gen_code(CPUState *cpu, * flush the TBs, allocate a new TB, re-initialize it per * above, and re-do the actual code generation. */ + qemu_log_mask(CPU_LOG_TB_OP | CPU_LOG_TB_OP_OPT, + "Restarting code generation for " + "code_gen_buffer overflow\n"); goto buffer_overflow; case -2: @@ -1978,9 +1988,12 @@ TranslationBlock *tb_gen_code(CPUState *cpu, * Try again with half as many insns as we attempted this time. * If a single insn overflows, there's a bug somewhere... */ - max_insns = tb->icount; assert(max_insns > 1); max_insns /= 2; + qemu_log_mask(CPU_LOG_TB_OP | CPU_LOG_TB_OP_OPT, + "Restarting code generation with " + "smaller translation block (max %d insns)\n", + max_insns); goto tb_overflow; default: |