1 files changed, 77 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/iamcu/args.h b/gcc/testsuite/gcc.target/i386/iamcu/args.h
new file mode 100644
index 00000000000..f8abde40155
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/iamcu/args.h
@@ -0,0 +1,77 @@
+#ifndef INCLUDED_ARGS_H
+#define INCLUDED_ARGS_H
+
+/* This defines the calling sequences for integers and floats.  */
+#define I0 eax
+#define I1 edx
+#define I2 ecx
+
+typedef unsigned int size_t;
+
+extern void (*callthis)(void);
+extern unsigned long eax,ebx,ecx,edx,esi,edi,esp,ebp;
+extern unsigned long sret_eax;
+extern volatile unsigned long volatile_var;
+extern void snapshot (void);
+extern void snapshot_ret (void);
+extern void *iamcu_memset (void *, int, size_t);
+#define WRAP_CALL(N) \
+  (callthis = (void (*)()) (N), (typeof (&N)) snapshot)
+#define WRAP_RET(N) \
+  (callthis = (void (*)()) (N), (typeof (&N)) snapshot_ret)
+
+/* Clear all scratch integer registers.  */
+#define clear_int_hardware_registers \
+  asm __volatile__ ("xor %%eax, %%eax\n\t" \
+		    "xor %%edx, %%edx\n\t" \
+		    "xor %%ecx, %%ecx\n\t" \
+		    ::: "eax", "edx", "ecx");
+
+/* Clear all scratch integer registers, excluding the one used to return
+   aggregate.  */
+#define clear_non_sret_int_hardware_registers \
+  asm __volatile__ ("xor %%edx, %%ebx\n\t" \
+		    "xor %%ecx, %%ecx\n\t" \
+		    ::: "edx", "ecx");
+
+/* This is the list of registers available for passing arguments. Not all of
+   these are used or even really available.  */
+struct IntegerRegisters
+{
+  unsigned long eax, ebx, ecx, edx, esi, edi;
+};
+
+/* Implemented in scalarargs.c  */
+extern struct IntegerRegisters iregs, iregbits;
+extern unsigned int num_iregs;
+
+#define check_int_arguments do { \
+  assert (num_iregs <= 0 || (iregs.I0 & iregbits.I0) == (I0 & iregbits.I0)); \
+  assert (num_iregs <= 1 || (iregs.I1 & iregbits.I1) == (I1 & iregbits.I1)); \
+  assert (num_iregs <= 2 || (iregs.I2 & iregbits.I2) == (I2 & iregbits.I2)); \
+  } while (0)
+
+#define check_char_arguments check_int_arguments
+#define check_short_arguments check_int_arguments
+#define check_long_arguments check_int_arguments
+#define check_float_arguments check_int_arguments
+#define check_double_arguments check_int_arguments
+#define check_ldouble_arguments check_int_arguments
+
+/* Clear register struct.  */
+#define clear_struct_registers \
+  eax = edx = ecx = 0; \
+  iamcu_memset (&iregs, 0, sizeof iregs);
+
+/* Clear both hardware and register structs for integers.  */
+#define clear_int_registers \
+  clear_struct_registers \
+  clear_int_hardware_registers
+
+/* Clear both hardware and register structs for integers, excluding the
+   one used to return aggregate.  */
+#define clear_non_sret_int_registers \
+  clear_struct_registers \
+  clear_non_sret_int_hardware_registers
+
+#endif /* INCLUDED_ARGS_H  */