This implements the STMT_ARRAY_CHECK(array_check) rule according to the
x86-64 ABI.
Signed-off-by: Eduard - Gabriel Munteanu <eduard.munte...@linux360.ro>
---
arch/x86/insn-selector.brg | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/arch/x86/insn-selector.brg b/arch/x86/insn-selector.brg
index 44e8154..34d11fc 100644
--- a/arch/x86/insn-selector.brg
+++ b/arch/x86/insn-selector.brg
@@ -2592,6 +2592,7 @@ array_check: EXPR_ARRAY_DEREF(reg, reg) 2
select_insn(s, tree, reg_reg_insn(INSN_MOV_REG_REG, state_index,
index));
}
+%ifdef CONFIG_X86_32
stmt: STMT_ARRAY_CHECK(array_check)
{
struct var_info *ref, *index;
@@ -2605,6 +2606,24 @@ stmt: STMT_ARRAY_CHECK(array_check)
method_args_cleanup(s, tree, 2);
select_exception_test(s, tree);
}
+%else
+stmt: STMT_ARRAY_CHECK(array_check)
+{
+ struct var_info *ref, *index, *rdi, *rsi;
+
+ ref = state->left->reg1;
+ index = state->left->reg2;
+
+ rdi = get_fixed_var(s->b_parent, MACH_REG_RDI);
+ rsi = get_fixed_var(s->b_parent, MACH_REG_RSI);
+
+ select_insn(s, tree, reg_reg_insn(INSN_MOV_REG_REG, ref, rdi));
+ select_insn(s, tree, reg_reg_insn(INSN_MOV_REG_REG, index, rsi));
+ select_insn(s, tree, rel_insn(INSN_CALL_REL, (unsigned long)
vm_object_check_array));
+
+ select_exception_test(s, tree);
+}
+%endif
stmt: STMT_IF(reg)
{
--
1.6.0.6
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