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Diffstat (limited to 'gcc/config/i860/sysv4.h')
| -rwxr-xr-x | gcc/config/i860/sysv4.h | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/gcc/config/i860/sysv4.h b/gcc/config/i860/sysv4.h deleted file mode 100755 index eca6b79..0000000 --- a/gcc/config/i860/sysv4.h +++ /dev/null @@ -1,193 +0,0 @@ -/* Target definitions for GNU compiler for Intel 80860 running System V.4 - Copyright (C) 1991, 1996 Free Software Foundation, Inc. - Contributed by Ron Guilmette (rfg@monkeys.com). - -This file is part of GNU CC. - -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU CC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -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, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -#undef TARGET_VERSION -#define TARGET_VERSION fprintf (stderr, " (i860 System V Release 4)"); - -/* Provide a set of pre-definitions and pre-assertions appropriate for - the i860 running svr4. Note that the symbol `__svr4__' MUST BE - DEFINED! It is needed so that the va_list struct in va-i860.h - will get correctly defined for the svr4 (ABI compliant) case rather - than for the previous (svr3, svr2, ...) case. It also needs to be - defined so that the correct (svr4) version of __builtin_saveregs - will be selected when we are building gnulib2.c. - __svr4__ is our extension. */ - -#define CPP_PREDEFINES \ - "-Di860 -Dunix -DSVR4 -D__svr4__ -Asystem(unix) -Asystem(svr4) -Acpu(i860) -Amachine(i860)" - -/* The prefix to be used in assembler output for all names of registers. - This string gets prepended to all i860 register names (svr4 only). */ - -#define I860_REG_PREFIX "%" - -#define ASM_COMMENT_START "#" - -#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. */ - -#undef PRINT_OPERAND_PART -#define PRINT_OPERAND_PART(FILE, X, PART_CODE) \ - do { fprintf (FILE, "["); \ - output_address (X); \ - 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); \ - fprintf (FILE, "\t.version\t\"01.01\"\n"); \ - } while (0) - -/* 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; - -/* 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 - the i860, this word can be any word that looks like a NOP, however - under svr4, this neds to be an `shr r0,r0,r0' instruction in which - the normally unused low-order bits contain the length of the function - prologue code (in bytes). This is needed to make the svr4 SDB debugger - happy. */ - -#undef ASM_OUTPUT_FUNCTION_PREFIX -#define ASM_OUTPUT_FUNCTION_PREFIX(FILE, FNNAME) \ - do { ASM_OUTPUT_ALIGN (FILE, 2); \ - fprintf ((FILE), "\t.long\t.ep."); \ - assemble_name (FILE, FNNAME); \ - fprintf (FILE, "-"); \ - assemble_name (FILE, FNNAME); \ - fprintf (FILE, "+0xc8000000\n"); \ - current_function_original_name = (FNNAME); \ - } while (0) - -/* Output the special label that must go just after each function's - prologue code to support svr4 SDB. */ - -#define ASM_OUTPUT_PROLOGUE_SUFFIX(FILE) \ - do { fprintf (FILE, ".ep."); \ - assemble_name (FILE, current_function_original_name); \ - 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,\"aw\"" -#undef DTORS_SECTION_ASM_OP -#define DTORS_SECTION_ASM_OP ".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" - -#undef EXTRA_SECTIONS -#define EXTRA_SECTIONS in_const, in_ctors, in_dtors, 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 \ -void \ -tdesc_section () \ -{ \ - if (in_section != in_tdesc) \ - { \ - fprintf (asm_out_file, "%s\n", TDESC_SECTION_ASM_OP); \ - in_section = in_tdesc; \ - } \ -} - |