Makefile: Split arm64-asm from arm-asm

Makefile

@@ -187,7 +187,7 @@ arm-fpa-ld_FILES  = $(arm_FILES)
 arm-vfp_FILES     = $(arm_FILES)
 arm-eabi_FILES    = $(arm_FILES)
 arm-eabihf_FILES  = $(arm_FILES)
-arm64_FILES = $(CORE_FILES) arm64-gen.c arm64-link.c arm-asm.c
+arm64_FILES = $(CORE_FILES) arm64-gen.c arm64-link.c arm64-asm.c
 c67_FILES = $(CORE_FILES) c67-gen.c c67-link.c tcccoff.c
 riscv64_FILES = $(CORE_FILES) riscv64-gen.c riscv64-link.c riscv64-asm.c
 

arm64-asm.c

@@ -0,0 +1,94 @@
+/*************************************************************/
+/*
+ *  ARM64 dummy assembler for TCC
+ *
+ */
+
+#ifdef TARGET_DEFS_ONLY
+
+#define CONFIG_TCC_ASM
+#define NB_ASM_REGS 16
+
+ST_FUNC void g(int c);
+ST_FUNC void gen_le16(int c);
+ST_FUNC void gen_le32(int c);
+
+/*************************************************************/
+#else
+/*************************************************************/
+#define USING_GLOBALS
+#include "tcc.h"
+
+static void asm_error(void)
+{
+    tcc_error("ARM asm not implemented.");
+}
+
+/* XXX: make it faster ? */
+ST_FUNC void g(int c)
+{
+    int ind1;
+    if (nocode_wanted)
+        return;
+    ind1 = ind + 1;
+    if (ind1 > cur_text_section->data_allocated)
+        section_realloc(cur_text_section, ind1);
+    cur_text_section->data[ind] = c;
+    ind = ind1;
+}
+
+ST_FUNC void gen_le16 (int i)
+{
+    g(i);
+    g(i>>8);
+}
+
+ST_FUNC void gen_le32 (int i)
+{
+    gen_le16(i);
+    gen_le16(i>>16);
+}
+
+ST_FUNC void gen_expr32(ExprValue *pe)
+{
+    gen_le32(pe->v);
+}
+
+ST_FUNC void asm_opcode(TCCState *s1, int opcode)
+{
+    asm_error();
+}
+
+ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier)
+{
+    asm_error();
+}
+
+/* generate prolog and epilog code for asm statement */
+ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands,
+                         int nb_outputs, int is_output,
+                         uint8_t *clobber_regs,
+                         int out_reg)
+{
+}
+
+ST_FUNC void asm_compute_constraints(ASMOperand *operands,
+                                    int nb_operands, int nb_outputs,
+                                    const uint8_t *clobber_regs,
+                                    int *pout_reg)
+{
+}
+
+ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str)
+{
+    asm_error();
+}
+
+ST_FUNC int asm_parse_regvar (int t)
+{
+    asm_error();
+    return -1;
+}
+
+/*************************************************************/
+#endif /* ndef TARGET_DEFS_ONLY */