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do not generate basic-block callback when translation is broken in the middle due to full cache (all the remaining archs)

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This commit is contained in:
Nguyen Anh Quynh
2015-08-27 21:09:00 +08:00
parent 2fcc8528ae
commit b335cf016c
5 changed files with 54 additions and 6 deletions
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11
qemu/target-sparc/translate.c
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@@ -5383,6 +5383,7 @@ static inline void gen_intermediate_code_internal(SPARCCPU *cpu,
int max_insns;
unsigned int insn;
TCGContext *tcg_ctx = env->uc->tcg_ctx;
bool block_full = false;
memset(dc, 0, sizeof(DisasContext));
dc->uc = env->uc;
@@ -5405,7 +5406,9 @@ static inline void gen_intermediate_code_internal(SPARCCPU *cpu,
max_insns = CF_COUNT_MASK;
// Unicorn: trace this block on request
if (env->uc->hook_block) {
// Only hook this block if it is not broken from previous translation due to
// full translation cache
if (env->uc->hook_block && !env->uc->block_full) {
struct hook_struct *trace = hook_find((uch)env->uc, UC_HOOK_BLOCK, pc_start);
if (trace) {
// save block address to see if we need to patch block size later
@@ -5473,6 +5476,10 @@ static inline void gen_intermediate_code_internal(SPARCCPU *cpu,
(dc->pc - pc_start) < (TARGET_PAGE_SIZE - 32) &&
num_insns < max_insns);
/* if too long translation, save this info */
if (tcg_ctx->gen_opc_ptr >= gen_opc_end || num_insns >= max_insns)
block_full = true;
exit_gen_loop:
//if (tb->cflags & CF_LAST_IO) {
// gen_io_end();
@@ -5506,6 +5513,8 @@ static inline void gen_intermediate_code_internal(SPARCCPU *cpu,
tb->size = last_pc + 4 - pc_start;
tb->icount = num_insns;
}
env->uc->block_full = block_full;
}
void gen_intermediate_code(CPUSPARCState * env, TranslationBlock * tb)