/* Target definitions for GNU compiler for Intel 80860 running System V.4
- Copyright (C) 1991 Free Software Foundation, Inc.
-
- Written by Ron Guilmette (rfg@netcom.com).
+ Copyright (C) 1991, 1996, 2000, 2002 Free Software Foundation, Inc.
+ Contributed by Ron Guilmette (rfg@monkeys.com).
This file is part of GNU CC.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-#include "i860/i860.h"
-#include "svr4.h"
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (i860 System V Release 4)");
__svr4__ is our extension. */
#define CPP_PREDEFINES \
- "-Di860 -Dunix -DSVR4 -D__svr4__ -Asystem(unix) -Asystem(svr4) -Acpu(i860) -Amachine(i860)"
+ "-Di860 -Dunix -DSVR4 -D__svr4__ -Asystem=unix -Asystem=svr4 -Acpu=i860 -Amachine=i860"
+
+/* For the benefit of i860_va_arg, flag it this way too. */
+
+#define I860_SVR4_VA_LIST 1
/* The prefix to be used in assembler output for all names of registers.
This string gets prepended to all i860 register names (svr4 only). */
#undef TYPE_OPERAND_FMT
#define TYPE_OPERAND_FMT "\"%s\""
-#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
-
/* The following macro definition overrides the one in i860.h
because the svr4 i860 assembler requires a different syntax
for getting parts of constant/relocatable values. */
fprintf (FILE, "]@%s", PART_CODE); \
} while (0)
-/* If the host and target formats match, output the floats as hex. */
-#if HOST_FLOAT_FORMAT == TARGET_FLOAT_FORMAT
-#if defined (HOST_WORDS_BIG_ENDIAN) == WORDS_BIG_ENDIAN
-
-/* This is how to output an assembler line defining a `double' constant.
- Note that the native i860/svr4 ELF assembler can't properly handle
- infinity. It generates an incorrect (non-infinity) value when given
- `.double 99e9999' and it doesn't grok `inf' at all. It also mishandles
- NaNs and -0.0. */
-
-#undef ASM_OUTPUT_DOUBLE
-#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
- { \
- if (REAL_VALUE_ISINF (VALUE) \
- || REAL_VALUE_ISNAN (VALUE) \
- || REAL_VALUE_MINUS_ZERO (VALUE)) \
- { \
- long t[2]; \
- REAL_VALUE_TO_TARGET_DOUBLE ((VALUE), t); \
- fprintf (FILE, "\t.word 0x%lx\n\t.word 0x%lx\n", t[0], t[1]); \
- } \
- else \
- fprintf (FILE, "\t.double %.20e\n", VALUE); \
- }
-
-/* This is how to output an assembler line defining a `float' constant.
- Note that the native i860/svr4 ELF assembler can't properly handle
- infinity. It actually generates an assembly time error when given
- `.float 99e9999' and it doesn't grok `inf' at all. It also mishandles
- NaNs and -0.0. */
-
-#undef ASM_OUTPUT_FLOAT
-#define ASM_OUTPUT_FLOAT(FILE,VALUE) \
- { \
- if (REAL_VALUE_ISINF (VALUE) \
- || REAL_VALUE_ISNAN (VALUE) \
- || REAL_VALUE_MINUS_ZERO (VALUE)) \
- { \
- long t; \
- REAL_VALUE_TO_TARGET_SINGLE ((VALUE), t); \
- fprintf (FILE, "\t.word 0x%lx\n", t); \
- } \
- else \
- fprintf (FILE, "\t.float %.12e\n", VALUE); \
- }
-
-#endif /* word order matches */
-#endif /* HOST_FLOAT_FORMAT == TARGET_FLOAT_FORMAT */
-
#undef ASM_FILE_START
#define ASM_FILE_START(FILE) \
do { output_file_directive (FILE, main_input_filename); \
/* Output the special word the svr4 SDB wants to see just before
the first word of each function's prologue code. */
-extern char *current_function_original_name;
+extern const char *current_function_original_name;
/* This special macro is used to output a magic word just before the
first word of each function. On some versions of UNIX running on
fprintf (FILE, ":\n"); \
} while (0)
+/* Define the pseudo-ops used to switch to the .ctors and .dtors sections.
+
+ Note that we want to give these sections the SHF_WRITE attribute
+ because these sections will actually contain data (i.e. tables of
+ addresses of functions in the current root executable or shared library
+ file) and, in the case of a shared library, the relocatable addresses
+ will have to be properly resolved/relocated (and then written into) by
+ the dynamic linker when it actually attaches the given shared library
+ to the executing process. (Note that on SVR4, you may wish to use the
+ `-z text' option to the ELF linker, when building a shared library, as
+ an additional check that you are doing everything right. But if you do
+ use the `-z text' option when building a shared library, you will get
+ errors unless the .ctors and .dtors sections are marked as writable
+ via the SHF_WRITE attribute.) */
+
#undef CTORS_SECTION_ASM_OP
-#define CTORS_SECTION_ASM_OP ".section\t.ctors,\"a\",\"progbits\""
+#define CTORS_SECTION_ASM_OP "\t.section\t.ctors,\"aw\""
#undef DTORS_SECTION_ASM_OP
-#define DTORS_SECTION_ASM_OP ".section\t.dtors,\"a\",\"progbits\""
+#define DTORS_SECTION_ASM_OP "\t.section\t.dtors,\"aw\""
/* Add definitions to support the .tdesc section as specified in the svr4
ABI for the i860. */
-#define TDESC_SECTION_ASM_OP ".section\t.tdesc"
+#define TDESC_SECTION_ASM_OP "\t.section\t.tdesc"
#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS in_const, in_ctors, in_dtors, in_tdesc
+#define EXTRA_SECTIONS in_tdesc
#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS \
- CONST_SECTION_FUNCTION \
- CTORS_SECTION_FUNCTION \
- DTORS_SECTION_FUNCTION \
TDESC_SECTION_FUNCTION
#define TDESC_SECTION_FUNCTION \
} \
}
-#ifdef OUTPUT_TDESC
-#undef ASM_FILE_END
-#define ASM_FILE_END(FILE) \
-do { \
- if (current_function_original_name != NULL) { \
- tdesc_section(); \
- fprintf ((FILE), "%s __ETEXT\n", ASM_LONG); \
- fprintf ((FILE), "%s 0\n", ASM_LONG); \
- text_section(); \
- fputs("__ETEXT:\n", (FILE)); \
- } \
- fprintf ((FILE), "\t.ident\t\"GCC: (GNU) %s\"\n", \
- version_string); \
- } while (0)
-#endif
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