+
+#undef SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS \
+ { "cpp_xfloat", CPP_XFLOAT_SPEC }, \
+ { "asm_oldas", ASM_OLDAS_SPEC }
+
+/* Indicate that we have a stamp.h to use. */
+#ifndef CROSS_COMPILE
+#define HAVE_STAMP_H 1
+#endif
+
+/* Attempt to turn on access permissions for the stack. */
+
+#define TRANSFER_FROM_TRAMPOLINE \
+extern void __enable_execute_stack PARAMS ((void *)); \
+ \
+void \
+__enable_execute_stack (addr) \
+ void *addr; \
+{ \
+ extern int mprotect PARAMS ((const void *, size_t, int)); \
+ long size = getpagesize (); \
+ long mask = ~(size-1); \
+ char *page = (char *) (((long) addr) & mask); \
+ char *end = (char *) ((((long) (addr + TRAMPOLINE_SIZE)) & mask) + size); \
+ \
+ /* 7 is PROT_READ | PROT_WRITE | PROT_EXEC */ \
+ if (mprotect (page, end - page, 7) < 0) \
+ perror ("mprotect of trampoline code"); \
+}
+
+/* Digital UNIX V4.0E (1091)/usr/include/sys/types.h 4.3.49.9 1997/08/14 */
+#define SIZE_TYPE "long unsigned int"
+#define PTRDIFF_TYPE "long int"
+
+/* The linker will stick __main into the .init section. */
+#define HAS_INIT_SECTION
+#define LD_INIT_SWITCH "-init"
+#define LD_FINI_SWITCH "-fini"
+
+/* Select a format to encode pointers in exception handling data. CODE
+ is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
+ true if the symbol may be affected by dynamic relocations.
+
+ We really ought to be using the SREL32 relocations that ECOFF has,
+ but no version of the native assembler supports creating such things,
+ and Compaq has no plans to rectify this. Worse, the dynamic loader
+ cannot handle unaligned relocations, so we have to make sure that
+ things get padded appropriately. */
+#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
+ (TARGET_GAS \
+ ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) \
+ : DW_EH_PE_aligned)
+
+/* This is how we tell the assembler that a symbol is weak. */
+
+#define ASM_OUTPUT_WEAK_ALIAS(FILE, NAME, VALUE) \
+ do \
+ { \
+ ASM_GLOBALIZE_LABEL (FILE, NAME); \
+ fputs ("\t.weakext\t", FILE); \
+ assemble_name (FILE, NAME); \
+ if (VALUE) \
+ { \
+ fputc (' ', FILE); \
+ assemble_name (FILE, VALUE); \
+ } \
+ fputc ('\n', FILE); \
+ } \
+ while (0)
+
+#define ASM_WEAKEN_LABEL(FILE, NAME) ASM_OUTPUT_WEAK_ALIAS(FILE, NAME, 0)
+
+/* Handle #pragma weak and #pragma pack. */
+#undef HANDLE_SYSV_PRAGMA
+#define HANDLE_SYSV_PRAGMA 1