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#undef __AAPCS64_BIG_ENDIAN__
#ifdef __GNUC__
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define __AAPCS64_BIG_ENDIAN__
#endif
#else
#error unknown compiler
#endif
#define IN_FRAMEWORK
#define D0 0
#define D1 8
#define D2 16
#define D3 24
#define D4 32
#define D5 40
#define D6 48
#define D7 56
#define S0 64
#define S1 68
#define S2 72
#define S3 76
#define S4 80
#define S5 84
#define S6 88
#define S7 92
#define W0 96
#define W1 100
#define W2 104
#define W3 108
#define W4 112
#define W5 116
#define W6 120
#define W7 124
#define X0 128
#define X1 136
#define X2 144
#define X3 152
#define X4 160
#define X5 168
#define X6 176
#define X7 184
#define Q0 192
#define Q1 208
#define Q2 224
#define Q3 240
#define Q4 256
#define Q5 272
#define Q6 288
#define Q7 304
#define X8 320
#define X9 328
#define STACK 336
/* The type of test. 'myfunc' in abitest.S needs to know which kind of
test it is running to decide what to do at the runtime. Keep the
related code in abitest.S synchronized if anything is changed here. */
enum aapcs64_test_kind
{
TK_PARAM = 0, /* Test parameter passing. */
TK_VA_ARG, /* Test va_arg code generation. */
TK_RETURN /* Test function return value. */
};
int which_kind_of_test;
extern int printf (const char*, ...);
extern void abort (void);
extern void dumpregs () __asm("myfunc");
#ifndef MYFUNCTYPE
#define MYFUNCTYPE void
#endif
#ifndef PCSATTR
#define PCSATTR
#endif
#ifdef RUNTIME_ENDIANNESS_CHECK
#ifndef RUNTIME_ENDIANNESS_CHECK_FUNCTION_DEFINED
/* This helper function defined to detect whether there is any incompatibility
issue on endianness between compilation time and run-time environments.
TODO: review the implementation when the work of big-endian support in A64
GCC starts.
*/
static void rt_endian_check ()
{
const char* msg_endian[2] = {"little-endian", "big-endian"};
const char* msg_env[2] = {"compile-time", "run-time"};
union
{
unsigned int ui;
unsigned char ch[4];
} u;
int flag = -1;
u.ui = 0xCAFEBABE;
printf ("u.ui=0x%X, u.ch[0]=0x%X\n", u.ui, u.ch[0]);
if (u.ch[0] == 0xBE)
{
/* Little-Endian at run-time */
#ifdef __AAPCS64_BIG_ENDIAN__
/* Big-Endian at compile-time */
flag = 1;
#endif
}
else
{
/* Big-Endian at run-time */
#ifndef __AAPCS64_BIG_ENDIAN__
/* Little-Endian at compile-time */
flag = 0;
#endif
}
if (flag != -1)
{
/* Endianness conflict exists */
printf ("Error: endianness conflicts between %s and %s:\n\
\t%s: %s\n\t%s: %s\n", msg_env[0], msg_env[1], msg_env[0], msg_endian[flag],
msg_env[1], msg_endian[1-flag]);
abort ();
}
return;
}
#endif
#define RUNTIME_ENDIANNESS_CHECK_FUNCTION_DEFINED
#endif
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