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| author | Richard Henderson | 2021-06-21 00:28:18 +0200 |
|---|---|---|
| committer | Richard Henderson | 2021-07-09 18:41:53 +0200 |
| commit | d3a2a1d80331b437bcfa0dc43f2c447d3104898e (patch) | |
| tree | 3e176b3bc1ca11497fa2737892fe28cf16caddb4 /include/exec/translator.h | |
| parent | tcg: Move tb_phys_invalidate_count to tb_ctx (diff) | |
| download | qemu-d3a2a1d80331b437bcfa0dc43f2c447d3104898e.tar.gz qemu-d3a2a1d80331b437bcfa0dc43f2c447d3104898e.tar.xz qemu-d3a2a1d80331b437bcfa0dc43f2c447d3104898e.zip | |
accel/tcg: Introduce translator_use_goto_tb
Add a generic version of the common use_goto_tb test.
Various targets avoid the page crossing test for CONFIG_USER_ONLY,
but that is wrong: mmap and mprotect can change page permissions.
Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/exec/translator.h')
| -rw-r--r-- | include/exec/translator.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/exec/translator.h b/include/exec/translator.h index 24232ead41..dd9c06d40d 100644 --- a/include/exec/translator.h +++ b/include/exec/translator.h @@ -145,6 +145,16 @@ void translator_loop(const TranslatorOps *ops, DisasContextBase *db, void translator_loop_temp_check(DisasContextBase *db); +/** + * translator_use_goto_tb + * @db: Disassembly context + * @dest: target pc of the goto + * + * Return true if goto_tb is allowed between the current TB + * and the destination PC. + */ +bool translator_use_goto_tb(DisasContextBase *db, target_ulong dest); + /* * Translator Load Functions * |