Add func_addr encodings for Intel.

lib/cretonne/meta/isa/intel/encodings.py

@@ -243,6 +243,13 @@ enc_flt(base.store.f64.any, r.fst, 0x66, 0x0f, 0xd6)
 enc_flt(base.store.f64.any, r.fstDisp8, 0x66, 0x0f, 0xd6)
 enc_flt(base.store.f64.any, r.fstDisp32, 0x66, 0x0f, 0xd6)
 
+#
+# Function addresses.
+#
+
+I32.enc(base.func_addr.i32, *r.fnaddr4(0xb8))
+I64.enc(base.func_addr.i64, *r.fnaddr8.rex(0xb8, w=1))
+
 #
 # Call/return
 #

lib/cretonne/meta/isa/intel/recipes.py

@@ -7,7 +7,7 @@ from cdsl.predicates import IsSignedInt, IsEqual
 from base.formats import Unary, UnaryImm, Binary, BinaryImm, MultiAry
 from base.formats import Nullary, Call, IndirectCall, Store, Load
 from base.formats import IntCompare
-from base.formats import RegMove, Ternary, Jump, Branch
+from base.formats import RegMove, Ternary, Jump, Branch, FuncAddr
 from .registers import GPR, ABCD, FPR
 
 try:
@@ -351,6 +351,26 @@ puiq = TailRecipe(
         sink.put8(imm as u64);
         ''')
 
+# XX+rd id with Abs4 function relocation.
+fnaddr4 = TailRecipe(
+        'fnaddr4', FuncAddr, size=4, ins=(), outs=GPR,
+        emit='''
+        PUT_OP(bits | (out_reg0 & 7), rex1(out_reg0), sink);
+        sink.reloc_func(RelocKind::Abs4.into(), func_ref);
+        // Write the immediate as `!0` for the benefit of BaldrMonkey.
+        sink.put4(!0);
+        ''')
+
+# XX+rd iq with Abs8 function relocation.
+fnaddr8 = TailRecipe(
+        'fnaddr8', FuncAddr, size=8, ins=(), outs=GPR,
+        emit='''
+        PUT_OP(bits | (out_reg0 & 7), rex1(out_reg0), sink);
+        sink.reloc_func(RelocKind::Abs8.into(), func_ref);
+        // Write the immediate as `!0` for the benefit of BaldrMonkey.
+        sink.put8(!0);
+        ''')
+
 #
 # Store recipes.
 #

lib/cretonne/src/isa/intel/binemit.rs

@@ -11,9 +11,15 @@ include!(concat!(env!("OUT_DIR"), "/binemit-intel.rs"));
 pub enum RelocKind {
     /// A 4-byte relative function reference. Based from relocation + 4 bytes.
     PCRel4,
+
+    /// A 4-byte absolute function reference.
+    Abs4,
+
+    /// An 8-byte absolute function reference.
+    Abs8,
 }
 
-pub static RELOC_NAMES: [&'static str; 1] = ["PCRel4"];
+pub static RELOC_NAMES: [&'static str; 3] = ["PCRel4", "Abs4", "Abs8"];
 
 impl Into<Reloc> for RelocKind {
     fn into(self) -> Reloc {