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| author | Richard Henderson <richard.henderson@linaro.org> | 2019-04-21 14:51:00 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2019-04-24 13:05:28 -0700 |
| commit | aeee05f53a5d67304a521d2644dc0a607e3c8b28 (patch) | |
| tree | 39ee5d6b8c296c391f80e8be214f0bc09f6ef364 /tcg/s390/tcg-target.inc.c | |
| parent | 1768987b73fa7e23e58b7844abe5882490ff8e42 (diff) | |
| download | qemu-aeee05f53a5d67304a521d2644dc0a607e3c8b28.zip qemu-aeee05f53a5d67304a521d2644dc0a607e3c8b28.tar.gz qemu-aeee05f53a5d67304a521d2644dc0a607e3c8b28.tar.bz2 | |
tcg: Restart TB generation after out-of-line ldst overflow
This is part c of relocation overflow handling.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/s390/tcg-target.inc.c')
| -rw-r--r-- | tcg/s390/tcg-target.inc.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/tcg/s390/tcg-target.inc.c b/tcg/s390/tcg-target.inc.c index 7db90b3..3d6150b 100644 --- a/tcg/s390/tcg-target.inc.c +++ b/tcg/s390/tcg-target.inc.c @@ -1609,16 +1609,17 @@ static void add_qemu_ldst_label(TCGContext *s, bool is_ld, TCGMemOpIdx oi, label->label_ptr[0] = label_ptr; } -static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *lb) +static bool tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *lb) { TCGReg addr_reg = lb->addrlo_reg; TCGReg data_reg = lb->datalo_reg; TCGMemOpIdx oi = lb->oi; TCGMemOp opc = get_memop(oi); - bool ok = patch_reloc(lb->label_ptr[0], R_390_PC16DBL, - (intptr_t)s->code_ptr, 2); - tcg_debug_assert(ok); + if (!patch_reloc(lb->label_ptr[0], R_390_PC16DBL, + (intptr_t)s->code_ptr, 2)) { + return false; + } tcg_out_mov(s, TCG_TYPE_PTR, TCG_REG_R2, TCG_AREG0); if (TARGET_LONG_BITS == 64) { @@ -1630,18 +1631,20 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *lb) tcg_out_mov(s, TCG_TYPE_I64, data_reg, TCG_REG_R2); tgen_gotoi(s, S390_CC_ALWAYS, lb->raddr); + return true; } -static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb) +static bool tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb) { TCGReg addr_reg = lb->addrlo_reg; TCGReg data_reg = lb->datalo_reg; TCGMemOpIdx oi = lb->oi; TCGMemOp opc = get_memop(oi); - bool ok = patch_reloc(lb->label_ptr[0], R_390_PC16DBL, - (intptr_t)s->code_ptr, 2); - tcg_debug_assert(ok); + if (!patch_reloc(lb->label_ptr[0], R_390_PC16DBL, + (intptr_t)s->code_ptr, 2)) { + return false; + } tcg_out_mov(s, TCG_TYPE_PTR, TCG_REG_R2, TCG_AREG0); if (TARGET_LONG_BITS == 64) { @@ -1668,6 +1671,7 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb) tcg_out_call(s, qemu_st_helpers[opc & (MO_BSWAP | MO_SIZE)]); tgen_gotoi(s, S390_CC_ALWAYS, lb->raddr); + return true; } #else static void tcg_prepare_user_ldst(TCGContext *s, TCGReg *addr_reg, |