From db6b7d0c6936cd209e3e8d95aea61ad29ceef5e6 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Sun, 31 Jan 2021 23:29:26 -1000 Subject: [PATCH] tcg: Split out tcg_raise_tb_overflow MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Allow other places in tcg to restart with a smaller tb. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- tcg/tcg.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/tcg/tcg.c b/tcg/tcg.c index 63a12b197b..bbe3dcee03 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -346,6 +346,12 @@ static void set_jmp_reset_offset(TCGContext *s, int which) s->tb_jmp_reset_offset[which] = tcg_current_code_size(s); } +/* Signal overflow, starting over with fewer guest insns. */ +static void QEMU_NORETURN tcg_raise_tb_overflow(TCGContext *s) +{ + siglongjmp(s->jmp_trans, -2); +} + #define C_PFX1(P, A) P##A #define C_PFX2(P, A, B) P##A##_##B #define C_PFX3(P, A, B, C) P##A##_##B##_##C @@ -1310,8 +1316,7 @@ static TCGTemp *tcg_temp_alloc(TCGContext *s) int n = s->nb_temps++; if (n >= TCG_MAX_TEMPS) { - /* Signal overflow, starting over with fewer guest insns. */ - siglongjmp(s->jmp_trans, -2); + tcg_raise_tb_overflow(s); } return memset(&s->temps[n], 0, sizeof(TCGTemp)); }