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authorRichard Henderson <richard.henderson@linaro.org>2020-10-29 09:49:05 -0700
committerRichard Henderson <richard.henderson@linaro.org>2021-01-07 05:09:41 -1000
commitd997143533e010b37363b10eddaf18ccb0e5659f (patch)
treeab81d43635bc78c894f5de4038da3993c2e1801e /include
parent1acbad0f278ad585bbfc46081b5b639447585be0 (diff)
downloadfocaccia-qemu-d997143533e010b37363b10eddaf18ccb0e5659f.tar.gz
focaccia-qemu-d997143533e010b37363b10eddaf18ccb0e5659f.zip
tcg: Make DisasContextBase.tb const
There is nothing within the translators that ought to be
changing the TranslationBlock data, so make it const.

This does not actually use the read-only copy of the
data structure that exists within the rx region.

Reviewed-by: Joelle van Dyne <j@getutm.app>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include')
-rw-r--r--include/exec/gen-icount.h4
-rw-r--r--include/exec/translator.h2
-rw-r--r--include/tcg/tcg-op.h2
3 files changed, 4 insertions, 4 deletions
diff --git a/include/exec/gen-icount.h b/include/exec/gen-icount.h
index 822c43cfd3..aa4b44354a 100644
--- a/include/exec/gen-icount.h
+++ b/include/exec/gen-icount.h
@@ -32,7 +32,7 @@ static inline void gen_io_end(void)
     tcg_temp_free_i32(tmp);
 }
 
-static inline void gen_tb_start(TranslationBlock *tb)
+static inline void gen_tb_start(const TranslationBlock *tb)
 {
     TCGv_i32 count, imm;
 
@@ -71,7 +71,7 @@ static inline void gen_tb_start(TranslationBlock *tb)
     tcg_temp_free_i32(count);
 }
 
-static inline void gen_tb_end(TranslationBlock *tb, int num_insns)
+static inline void gen_tb_end(const TranslationBlock *tb, int num_insns)
 {
     if (tb_cflags(tb) & CF_USE_ICOUNT) {
         /* Update the num_insn immediate parameter now that we know
diff --git a/include/exec/translator.h b/include/exec/translator.h
index 638e1529c5..24232ead41 100644
--- a/include/exec/translator.h
+++ b/include/exec/translator.h
@@ -67,7 +67,7 @@ typedef enum DisasJumpType {
  * Architecture-agnostic disassembly context.
  */
 typedef struct DisasContextBase {
-    TranslationBlock *tb;
+    const TranslationBlock *tb;
     target_ulong pc_first;
     target_ulong pc_next;
     DisasJumpType is_jmp;
diff --git a/include/tcg/tcg-op.h b/include/tcg/tcg-op.h
index 5b3bdacc39..901b19f32a 100644
--- a/include/tcg/tcg-op.h
+++ b/include/tcg/tcg-op.h
@@ -805,7 +805,7 @@ static inline void tcg_gen_insn_start(target_ulong pc, target_ulong a1,
  * be NULL and @idx should be 0.  Otherwise, @tb should be valid and
  * @idx should be one of the TB_EXIT_ values.
  */
-void tcg_gen_exit_tb(TranslationBlock *tb, unsigned idx);
+void tcg_gen_exit_tb(const TranslationBlock *tb, unsigned idx);
 
 /**
  * tcg_gen_goto_tb() - output goto_tb TCG operation