diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2019-04-21 13:51:56 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2019-04-24 13:05:28 -0700 |
| commit | 1768987b73fa7e23e58b7844abe5882490ff8e42 (patch) | |
| tree | 3a2528c65651be443e8f33e156a23059b94e213f /tcg | |
| parent | 7ecd02a06f8f4c0bbf872ecc15e37035b7e1df5f (diff) | |
tcg: Restart TB generation after constant pool overflow
This is part b of relocation overflow handling.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/tcg-pool.inc.c | 12 | ||||
| -rw-r--r-- | tcg/tcg.c | 9 |
2 files changed, 12 insertions, 9 deletions
diff --git a/tcg/tcg-pool.inc.c b/tcg/tcg-pool.inc.c index 7af5513ff3..4eaa84b631 100644 --- a/tcg/tcg-pool.inc.c +++ b/tcg/tcg-pool.inc.c @@ -121,14 +121,14 @@ static inline void new_pool_l8(TCGContext *s, int rtype, tcg_insn_unit *label, /* To be provided by cpu/tcg-target.inc.c. */ static void tcg_out_nop_fill(tcg_insn_unit *p, int count); -static bool tcg_out_pool_finalize(TCGContext *s) +static int tcg_out_pool_finalize(TCGContext *s) { TCGLabelPoolData *p = s->pool_labels; TCGLabelPoolData *l = NULL; void *a; if (p == NULL) { - return true; + return 0; } /* ??? Round up to qemu_icache_linesize, but then do not round @@ -142,15 +142,17 @@ static bool tcg_out_pool_finalize(TCGContext *s) size_t size = sizeof(tcg_target_ulong) * p->nlong; if (!l || l->nlong != p->nlong || memcmp(l->data, p->data, size)) { if (unlikely(a > s->code_gen_highwater)) { - return false; + return -1; } memcpy(a, p->data, size); a += size; l = p; } - patch_reloc(p->label, p->rtype, (intptr_t)a - size, p->addend); + if (!patch_reloc(p->label, p->rtype, (intptr_t)a - size, p->addend)) { + return -2; + } } s->code_ptr = a; - return true; + return 0; } @@ -1019,8 +1019,8 @@ void tcg_prologue_init(TCGContext *s) #ifdef TCG_TARGET_NEED_POOL_LABELS /* Allow the prologue to put e.g. guest_base into a pool entry. */ { - bool ok = tcg_out_pool_finalize(s); - tcg_debug_assert(ok); + int result = tcg_out_pool_finalize(s); + tcg_debug_assert(result == 0); } #endif @@ -4005,8 +4005,9 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb) } #endif #ifdef TCG_TARGET_NEED_POOL_LABELS - if (!tcg_out_pool_finalize(s)) { - return -1; + i = tcg_out_pool_finalize(s); + if (i < 0) { + return i; } #endif if (!tcg_resolve_relocs(s)) { |