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authorEmilio G. Cota <cota@braap.org>2017-07-18 20:46:52 -0400
committerRichard Henderson <richard.henderson@linaro.org>2017-10-24 13:53:41 -0700
commitc5a49c63fa26e8825ad101dfe86339ae4c216539 (patch)
treec41e1a7064e88f65292a3b09684123f9f499617e /target/alpha
parentcdfef1715c779eb528d633e8b76cbc8a10e71ac8 (diff)
downloadqemu-c5a49c63fa26e8825ad101dfe86339ae4c216539.tar.gz
tcg: convert tb->cflags reads to tb_cflags(tb)
Convert all existing readers of tb->cflags to tb_cflags, so that we use atomic_read and therefore avoid undefined behaviour in C11. Note that the remaining setters/getters of the field are protected by tb_lock, and therefore do not need conversion. Luckily all readers access the field via 'tb->cflags' (so no foo.cflags, bar->cflags in the code base), which makes the conversion easily scriptable: FILES=$(git grep 'tb->cflags' target include/exec/gen-icount.h \ accel/tcg/translator.c | cut -f1 -d':' | sort | uniq) perl -pi -e 's/([^.>])tb->cflags/$1tb_cflags(tb)/g' $FILES perl -pi -e 's/([a-z->.]*)(->|\.)tb->cflags/tb_cflags($1$2tb)/g' $FILES Then manually fixed the few errors that checkpatch reported. Compile-tested for all targets. Suggested-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/alpha')
-rw-r--r--target/alpha/translate.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/target/alpha/translate.c b/target/alpha/translate.c
index 3c8d1dc333..53b8c036e2 100644
--- a/target/alpha/translate.c
+++ b/target/alpha/translate.c
@@ -455,7 +455,7 @@ static bool in_superpage(DisasContext *ctx, int64_t addr)
static bool use_exit_tb(DisasContext *ctx)
{
- return ((ctx->base.tb->cflags & CF_LAST_IO)
+ return ((tb_cflags(ctx->base.tb) & CF_LAST_IO)
|| ctx->base.singlestep_enabled
|| singlestep);
}
@@ -2399,7 +2399,7 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn)
case 0xC000:
/* RPCC */
va = dest_gpr(ctx, ra);
- if (ctx->base.tb->cflags & CF_USE_ICOUNT) {
+ if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
gen_io_start();
gen_helper_load_pcc(va, cpu_env);
gen_io_end();