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authorRichard Henderson <rth@twiddle.net>2017-07-31 22:02:31 -0700
committerRichard Henderson <rth@twiddle.net>2017-09-07 11:57:34 -0700
commita85833933628384d74ec412024d55cf012640287 (patch)
treecd3ed9260f5c9813102ffce4c006e7bbf3419c03 /tcg/arm
parentcda4a338c4243fa3bff4498b935340ac7121cc76 (diff)
tcg: Move USE_DIRECT_JUMP discriminator to tcg/cpu/tcg-target.h
Replace the USE_DIRECT_JUMP ifdef with a TCG_TARGET_HAS_direct_jump boolean test. Replace the tb_set_jmp_target1 ifdef with an unconditional function tb_target_set_jmp_target. While we're touching all backends, add a parameter for tb->tc_ptr; we're going to need it shortly for some backends. Move tb_set_jmp_target and tb_add_jump from exec-all.h to cpu-exec.c. This opens the possibility for TCG_TARGET_HAS_direct_jump to be a runtime decision -- based on host cpu capabilities, the size of code_gen_buffer, or a future debugging switch. Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'tcg/arm')
-rw-r--r--tcg/arm/tcg-target.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/tcg/arm/tcg-target.h b/tcg/arm/tcg-target.h
index a38be15a39..7117ebf4fc 100644
--- a/tcg/arm/tcg-target.h
+++ b/tcg/arm/tcg-target.h
@@ -124,16 +124,20 @@ extern bool use_idiv_instructions;
#define TCG_TARGET_HAS_div_i32 use_idiv_instructions
#define TCG_TARGET_HAS_rem_i32 0
#define TCG_TARGET_HAS_goto_ptr 1
+#define TCG_TARGET_HAS_direct_jump 0
enum {
TCG_AREG0 = TCG_REG_R6,
};
+#define TCG_TARGET_DEFAULT_MO (0)
+
static inline void flush_icache_range(uintptr_t start, uintptr_t stop)
{
__builtin___clear_cache((char *) start, (char *) stop);
}
-#define TCG_TARGET_DEFAULT_MO (0)
+/* not defined -- call should be eliminated at compile time */
+void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t);
#endif