diff options
Diffstat (limited to 'gcc/config/i386/i386-interix.h')
| -rw-r--r-- | gcc/config/i386/i386-interix.h | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/gcc/config/i386/i386-interix.h b/gcc/config/i386/i386-interix.h index d309087217d..7e2290f2d3a 100644 --- a/gcc/config/i386/i386-interix.h +++ b/gcc/config/i386/i386-interix.h @@ -35,11 +35,12 @@ Boston, MA 02111-1307, USA. */ /* By default, target has a 80387, uses IEEE compatible arithmetic, and returns float values in the 387 and needs stack probes - We also align doubles to 64-bits for MSVC default compatibility */ + We also align doubles to 64-bits for MSVC default compatibility + We do bitfields MSVC-compatably by default, too. */ #undef TARGET_SUBTARGET_DEFAULT #define TARGET_SUBTARGET_DEFAULT \ (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_STACK_PROBE | \ - MASK_ALIGN_DOUBLE) + MASK_ALIGN_DOUBLE | MASK_MS_BITFIELD_LAYOUT) #undef TARGET_CPU_DEFAULT #define TARGET_CPU_DEFAULT 2 /* 486 */ @@ -243,6 +244,28 @@ Boston, MA 02111-1307, USA. */ #define TARGET_NOP_FUN_DLLIMPORT 1 #define drectve_section() /* nothing */ +/* Objective C has its own packing rules... + Objc tries to parallel the code in stor-layout.c at runtime + (see libobjc/encoding.c). This (compile-time) packing info isn't + available at runtime, so it's hopeless to try. + + And if the user tries to set the flag for objc, give an error + so he has some clue. */ + +#undef SUBTARGET_OVERRIDE_OPTIONS +#define SUBTARGET_OVERRIDE_OPTIONS \ +do { \ + if (strcmp (lang_hooks.name, "GNU Objective-C") == 0) \ + { \ + if ((target_flags & MASK_MS_BITFIELD_LAYOUT) != 0 \ + && (target_flags_explicit & MASK_MS_BITFIELD_LAYOUT) != 0) \ + { \ + error ("ms-bitfields not supported for objc"); \ + } \ + target_flags &= ~MASK_MS_BITFIELD_LAYOUT; \ + } \ +} while (0) + #define EH_FRAME_IN_DATA_SECTION #define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rdata,\"r\"" @@ -273,8 +296,6 @@ while (0) #define HOST_PTR_AS_INT unsigned long #define PCC_BITFIELD_TYPE_MATTERS 1 -#define PCC_BITFIELD_TYPE_TEST TYPE_NATIVE(rec) -#define GROUP_BITFIELDS_BY_ALIGN TYPE_NATIVE(rec) /* The following two flags are usually "off" for i386, because some non-gnu tools (for the i386) don't handle them. However, we don't have that |