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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/riscv | |
| 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/riscv')
| -rw-r--r-- | tcg/riscv/tcg-target.inc.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/tcg/riscv/tcg-target.inc.c b/tcg/riscv/tcg-target.inc.c index b785f4a..2932505 100644 --- a/tcg/riscv/tcg-target.inc.c +++ b/tcg/riscv/tcg-target.inc.c @@ -1065,7 +1065,7 @@ static void add_qemu_ldst_label(TCGContext *s, int is_ld, TCGMemOpIdx oi, label->label_ptr[0] = label_ptr[0]; } -static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l) +static bool tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l) { TCGMemOpIdx oi = l->oi; TCGMemOp opc = get_memop(oi); @@ -1080,7 +1080,10 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l) } /* resolve label address */ - patch_reloc(l->label_ptr[0], R_RISCV_BRANCH, (intptr_t) s->code_ptr, 0); + if (!patch_reloc(l->label_ptr[0], R_RISCV_BRANCH, + (intptr_t) s->code_ptr, 0)) { + return false; + } /* call load helper */ tcg_out_mov(s, TCG_TYPE_PTR, a0, TCG_AREG0); @@ -1092,9 +1095,10 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l) tcg_out_mov(s, (opc & MO_SIZE) == MO_64, l->datalo_reg, a0); tcg_out_goto(s, l->raddr); + return true; } -static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l) +static bool tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l) { TCGMemOpIdx oi = l->oi; TCGMemOp opc = get_memop(oi); @@ -1111,7 +1115,10 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l) } /* resolve label address */ - patch_reloc(l->label_ptr[0], R_RISCV_BRANCH, (intptr_t) s->code_ptr, 0); + if (!patch_reloc(l->label_ptr[0], R_RISCV_BRANCH, + (intptr_t) s->code_ptr, 0)) { + return false; + } /* call store helper */ tcg_out_mov(s, TCG_TYPE_PTR, a0, TCG_AREG0); @@ -1133,6 +1140,7 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l) tcg_out_call(s, qemu_st_helpers[opc & (MO_BSWAP | MO_SSIZE)]); tcg_out_goto(s, l->raddr); + return true; } #endif /* CONFIG_SOFTMMU */ |