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authorRichard Henderson <richard.henderson@linaro.org>2019-04-21 14:51:00 -0700
committerRichard Henderson <richard.henderson@linaro.org>2019-04-24 13:05:28 -0700
commitaeee05f53a5d67304a521d2644dc0a607e3c8b28 (patch)
tree39ee5d6b8c296c391f80e8be214f0bc09f6ef364 /tcg/riscv
parent1768987b73fa7e23e58b7844abe5882490ff8e42 (diff)
downloadqemu-aeee05f53a5d67304a521d2644dc0a607e3c8b28.zip
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.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/tcg/riscv/tcg-target.inc.c b/tcg/riscv/tcg-target.inc.c
index b785f4acb7..2932505094 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 */