diff options
Diffstat (limited to 'gcc-4.8/libffi/src/powerpc/ffitarget.h')
| -rw-r--r-- | gcc-4.8/libffi/src/powerpc/ffitarget.h | 110 |
1 files changed, 76 insertions, 34 deletions
diff --git a/gcc-4.8/libffi/src/powerpc/ffitarget.h b/gcc-4.8/libffi/src/powerpc/ffitarget.h index 3c9db495f..b47b0f5d3 100644 --- a/gcc-4.8/libffi/src/powerpc/ffitarget.h +++ b/gcc-4.8/libffi/src/powerpc/ffitarget.h @@ -60,45 +60,76 @@ typedef signed long ffi_sarg; typedef enum ffi_abi { FFI_FIRST_ABI = 0, -#ifdef POWERPC - FFI_SYSV, - FFI_GCC_SYSV, - FFI_LINUX64, - FFI_LINUX, - FFI_LINUX_SOFT_FLOAT, -# if defined(POWERPC64) - FFI_DEFAULT_ABI = FFI_LINUX64, -# elif defined(__NO_FPRS__) - FFI_DEFAULT_ABI = FFI_LINUX_SOFT_FLOAT, -# elif (__LDBL_MANT_DIG__ == 106) - FFI_DEFAULT_ABI = FFI_LINUX, -# else - FFI_DEFAULT_ABI = FFI_GCC_SYSV, -# endif -#endif - -#ifdef POWERPC_AIX +#if defined (POWERPC_AIX) FFI_AIX, FFI_DARWIN, FFI_DEFAULT_ABI = FFI_AIX, -#endif + FFI_LAST_ABI -#ifdef POWERPC_DARWIN +#elif defined (POWERPC_DARWIN) FFI_AIX, FFI_DARWIN, FFI_DEFAULT_ABI = FFI_DARWIN, -#endif + FFI_LAST_ABI + +#else + /* The FFI_COMPAT values are used by old code. Since libffi may be + a shared library we have to support old values for backwards + compatibility. */ + FFI_COMPAT_SYSV, + FFI_COMPAT_GCC_SYSV, + FFI_COMPAT_LINUX64, + FFI_COMPAT_LINUX, + FFI_COMPAT_LINUX_SOFT_FLOAT, + +# if defined (POWERPC64) + /* This bit, always set in new code, must not be set in any of the + old FFI_COMPAT values that might be used for 64-bit linux. We + only need worry about FFI_COMPAT_LINUX64, but to be safe avoid + all old values. */ + FFI_LINUX = 8, + /* This and following bits can reuse FFI_COMPAT values. */ + FFI_LINUX_STRUCT_ALIGN = 1, + FFI_LINUX_LONG_DOUBLE_128 = 2, + FFI_DEFAULT_ABI = (FFI_LINUX +# ifdef __STRUCT_PARM_ALIGN__ + | FFI_LINUX_STRUCT_ALIGN +# endif +# ifdef __LONG_DOUBLE_128__ + | FFI_LINUX_LONG_DOUBLE_128 +# endif + ), + FFI_LAST_ABI = 12 -#ifdef POWERPC_FREEBSD - FFI_SYSV, - FFI_GCC_SYSV, - FFI_LINUX64, - FFI_LINUX, - FFI_LINUX_SOFT_FLOAT, - FFI_DEFAULT_ABI = FFI_SYSV, +# else + /* This bit, always set in new code, must not be set in any of the + old FFI_COMPAT values that might be used for 32-bit linux/sysv/bsd. */ + FFI_SYSV = 8, + /* This and following bits can reuse FFI_COMPAT values. */ + FFI_SYSV_SOFT_FLOAT = 1, + FFI_SYSV_STRUCT_RET = 2, + FFI_SYSV_IBM_LONG_DOUBLE = 4, + FFI_SYSV_LONG_DOUBLE_128 = 16, + + FFI_DEFAULT_ABI = (FFI_SYSV +# ifdef __NO_FPRS__ + | FFI_SYSV_SOFT_FLOAT +# endif +# if (defined (__SVR4_STRUCT_RETURN) \ + || defined (POWERPC_FREEBSD) && !defined (__AIX_STRUCT_RETURN)) + | FFI_SYSV_STRUCT_RET +# endif +# if __LDBL_MANT_DIG__ == 106 + | FFI_SYSV_IBM_LONG_DOUBLE +# endif +# ifdef __LONG_DOUBLE_128__ + | FFI_SYSV_LONG_DOUBLE_128 +# endif + ), + FFI_LAST_ABI = 32 +# endif #endif - FFI_LAST_ABI } ffi_abi; #endif @@ -106,6 +137,10 @@ typedef enum ffi_abi { #define FFI_CLOSURES 1 #define FFI_NATIVE_RAW_API 0 +#if defined (POWERPC) || defined (POWERPC_FREEBSD) +# define FFI_TARGET_SPECIFIC_VARIADIC 1 +# define FFI_EXTRA_CIF_FIELDS unsigned nfixedargs +#endif /* For additional types like the below, take care about the order in ppc_closures.S. They must follow after the FFI_TYPE_LAST. */ @@ -113,19 +148,26 @@ typedef enum ffi_abi { /* Needed for soft-float long-double-128 support. */ #define FFI_TYPE_UINT128 (FFI_TYPE_LAST + 1) -/* Needed for FFI_SYSV small structure returns. - We use two flag bits, (FLAG_SYSV_SMST_R3, FLAG_SYSV_SMST_R4) which are - defined in ffi.c, to determine the exact return type and its size. */ +/* Needed for FFI_SYSV small structure returns. */ #define FFI_SYSV_TYPE_SMALL_STRUCT (FFI_TYPE_LAST + 2) -#if defined(POWERPC64) || defined(POWERPC_AIX) +/* Used by ELFv2 for homogenous structure returns. */ +#define FFI_V2_TYPE_FLOAT_HOMOG (FFI_TYPE_LAST + 1) +#define FFI_V2_TYPE_DOUBLE_HOMOG (FFI_TYPE_LAST + 2) +#define FFI_V2_TYPE_SMALL_STRUCT (FFI_TYPE_LAST + 3) + +#if _CALL_ELF == 2 +# define FFI_TRAMPOLINE_SIZE 32 +#else +# if defined(POWERPC64) || defined(POWERPC_AIX) # if defined(POWERPC_DARWIN64) # define FFI_TRAMPOLINE_SIZE 48 # else # define FFI_TRAMPOLINE_SIZE 24 # endif -#else /* POWERPC || POWERPC_AIX */ +# else /* POWERPC || POWERPC_AIX */ # define FFI_TRAMPOLINE_SIZE 40 +# endif #endif #ifndef LIBFFI_ASM |