+++ /dev/null
-/* Definitions for GCC. Part of the machine description for CRIS.
- Copyright (C) 2001, 2002 Free Software Foundation, Inc.
- Contributed by Axis Communications. Written by Hans-Peter Nilsson.
-
-This file is part of GCC.
-
-GCC 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.
-
-GCC 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 GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-/* After the first "Node:" comment comes all preprocessor directives and
- attached declarations described in the info files, the "Using and
- Porting GCC" manual (uapgcc), in the same order as found in the "Target
- macros" section in the gcc-2.9x CVS edition of 2000-03-17. FIXME: Not
- really, but needs an update anyway.
-
- There is no generic copy-of-uapgcc comment, you'll have to see uapgcc
- for that. If applicable, there is a CRIS-specific comment. The order
- of macro definitions follow the order in the manual. Every section in
- the manual (node in the info pages) has an introductory `Node:
- <subchapter>' comment. If no macros are defined for a section, only
- the section-comment is present. */
-
-/* This file defines the macros for a.out that are not covered by cris.h.
- Many macros are copied from elfos.h and should be in some generic
- config/gas-aout.h. */
-
-/* Node: Driver */
-
-#undef STARTFILE_SPEC
-#define STARTFILE_SPEC \
- "%{melinux:crt0.o%s}\
- %{!melinux:\
- %{sim2:s2crt0.o%s}\
- %{!sim2:\
- %{sim:scrt0.o%s}\
- %{!sim:%{pg:gcrt0.o%s}\
- %{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}}}"
-
-/* Which library to get. The only difference from the default is to get
- libsc.a if -sim is given to the driver. Repeat -lc -lsysX
- {X=sim,linux}, because libsysX needs (at least) errno from libc, and
- then we want to resolve new unknowns in libc against libsysX, not
- libnosys. Assume everything is in libc for -mlinux. */
-#undef LIB_SPEC
-#define LIB_SPEC \
- "%{melinux:-lc -lsyslinux -lc -lsyslinux -lic}\
- %{!melinux:\
- %{sim*:-lc -lsyssim -lc -lsyssim}\
- %{!sim*:%{g*:-lg}\
- %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} -lbsp}\
- -lnosys}"
-
-#undef CRIS_CPP_SUBTARGET_SPEC
-#define CRIS_CPP_SUBTARGET_SPEC \
- "-D__AOUT__\
- %{melinux:-D__gnu_linux__ -D__linux__ -D__unix__ -D__elinux__ -D__uclinux__\
- %{!nostdinc:\
- %{!mbest-lib-options:%{isystem*}}\
- -isystem elinux/include%s\
- %{mbest-lib-options:%{isystem*}}}\
- %{!ansi:%{!std=*:%{!undef:-Dlinux -Dunix -Delinux -Duclinux}}}}\
- %{mbest-lib-options:\
- %{!moverride-best-lib-options:\
- %{!march=*:%{!metrax*:%{!mcpu=*:-D__tune_v8 -D__CRIS_arch_tune=8}}}}}"
-
-#undef CRIS_CC1_SUBTARGET_SPEC
-#define CRIS_CC1_SUBTARGET_SPEC \
- "%{mbest-lib-options:\
- %{!moverride-best-lib-options:\
- %{!march=*:%{!mcpu=*:-mtune=v8}}}}"
-
-#undef CRIS_ASM_SUBTARGET_SPEC
-#define CRIS_ASM_SUBTARGET_SPEC "--em=crisaout"
-
-#undef CRIS_LINK_SUBTARGET_SPEC
-#define CRIS_LINK_SUBTARGET_SPEC \
- "-mcrisaout\
- %{sim2:%{!T*:-Tdata 0x4000000 -Tbss 0x8000000}}\
- %{melinux:-Ur -d\
- %{!shlib:%{!symbolic:-Bstatic}}\
- %{shlib:-Bdynamic}\
- %{symbolic:-Bdynamic}\
- %{static:-Bstatic}}\
- %{melinux-stacksize=*:-defsym __Stacksize=%*}"
-
-#undef CRIS_SUBTARGET_SWITCHES
-#define CRIS_SUBTARGET_SWITCHES \
- {"elinux", (TARGET_MASK_SVINTO \
- + TARGET_MASK_STACK_ALIGN \
- + TARGET_MASK_CONST_ALIGN \
- + TARGET_MASK_DATA_ALIGN \
- + TARGET_MASK_ETRAX4_ADD \
- + TARGET_MASK_ALIGN_BY_32), \
- N_("Compile for the MMU-less Etrax 100-based elinux system")}, \
- /* Legacy option. */ \
- {"aout", 0, ""},
-
-#undef CRIS_SUBTARGET_LONG_OPTIONS
-#define CRIS_SUBTARGET_LONG_OPTIONS \
- {"elinux-stacksize=", &cris_elinux_stacksize_str, \
- N_("For elinux, request a specified stack-size for this program")}, \
-
-#undef CRIS_SUBTARGET_VERSION
-#define CRIS_SUBTARGET_VERSION " - a.out"
-
-#undef CRIS_SUBTARGET_DEFAULT
-#define CRIS_SUBTARGET_DEFAULT 0
-
-/* Node: Storage Layout */
-
-/* We can align to 16 bits (only) with CRIS a.out. */
-#define MAX_OFILE_ALIGNMENT 16
-
-
-/* Node: Library Calls */
-
-#define TARGET_MEM_FUNCTIONS
-
-
-/* Node: Data Output */
-
-#define ESCAPES \
-"\1\1\1\1\1\1\1\1btn\1fr\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
-\0\0\"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\
-\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\\\0\0\0\
-\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\
-\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
-\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
-\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
-\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1"
-
-/* Some svr4 assemblers have a limit on the number of characters which
- can appear in the operand of a .string directive. If your assembler
- has such a limitation, you should define STRING_LIMIT to reflect that
- limit. Note that at least some svr4 assemblers have a limit on the
- actual number of bytes in the double-quoted string, and that they
- count each character in an escape sequence as one byte. Thus, an
- escape sequence like \377 would count as four bytes.
-
- If your target assembler doesn't support the .string directive, you
- should define this to zero. */
-
-#define STRING_LIMIT ((unsigned) 256)
-
-#define STRING_ASM_OP "\t.string\t"
-#define ASCII_DATA_ASM_OP "\t.ascii\t"
-#define TYPE_ASM_OP "\t.type\t"
-#define SIZE_ASM_OP "\t.size\t"
-#define TYPE_OPERAND_FMT "@%s"
-
-/* The routine used to output NUL terminated strings. We use a special
- version of this for most svr4 targets because doing so makes the
- generated assembly code more compact (and thus faster to assemble)
- as well as more readable, especially for targets like the i386
- (where the only alternative is to output character sequences as
- comma separated lists of numbers). */
-
-#define ASM_OUTPUT_LIMITED_STRING(FILE, STR) \
- do \
- { \
- register const unsigned char *_limited_str = \
- (const unsigned char *) (STR); \
- register unsigned ch; \
- \
- fprintf ((FILE), "%s\"", STRING_ASM_OP); \
- \
- for (; (ch = *_limited_str); _limited_str++) \
- { \
- register int escape; \
- \
- switch (escape = ESCAPES[ch]) \
- { \
- case 0: \
- putc (ch, (FILE)); \
- break; \
- case 1: \
- fprintf ((FILE), "\\%03o", ch); \
- break; \
- default: \
- putc ('\\', (FILE)); \
- putc (escape, (FILE)); \
- break; \
- } \
- } \
- \
- fprintf ((FILE), "\"\n"); \
- } \
- while (0)
-
-/* The routine used to output sequences of byte values. We use a special
- version of this for most svr4 targets because doing so makes the
- generated assembly code more compact (and thus faster to assemble)
- as well as more readable. Note that if we find subparts of the
- character sequence which end with NUL (and which are shorter than
- STRING_LIMIT) we output those using ASM_OUTPUT_LIMITED_STRING. */
-
-#undef ASM_OUTPUT_ASCII
-#define ASM_OUTPUT_ASCII(FILE, STR, LENGTH) \
- do \
- { \
- register const unsigned char *_ascii_bytes = \
- (const unsigned char *) (STR); \
- register const unsigned char *limit = _ascii_bytes + (LENGTH); \
- register unsigned bytes_in_chunk = 0; \
- \
- for (; _ascii_bytes < limit; _ascii_bytes++) \
- { \
- register const unsigned char *p; \
- \
- if (bytes_in_chunk >= 60) \
- { \
- fprintf ((FILE), "\"\n"); \
- bytes_in_chunk = 0; \
- } \
- \
- for (p = _ascii_bytes; p < limit && *p != '\0'; p++) \
- continue; \
- \
- if (p < limit && (p - _ascii_bytes) <= (long)STRING_LIMIT) \
- { \
- if (bytes_in_chunk > 0) \
- { \
- fprintf ((FILE), "\"\n"); \
- bytes_in_chunk = 0; \
- } \
- \
- ASM_OUTPUT_LIMITED_STRING ((FILE), _ascii_bytes); \
- _ascii_bytes = p; \
- } \
- else \
- { \
- register int escape; \
- register unsigned ch; \
- \
- if (bytes_in_chunk == 0) \
- fprintf ((FILE), "%s\"", ASCII_DATA_ASM_OP); \
- \
- switch (escape = ESCAPES[ch = *_ascii_bytes]) \
- { \
- case 0: \
- putc (ch, (FILE)); \
- bytes_in_chunk++; \
- break; \
- case 1: \
- fprintf ((FILE), "\\%03o", ch); \
- bytes_in_chunk += 4; \
- break; \
- default: \
- putc ('\\', (FILE)); \
- putc (escape, (FILE)); \
- bytes_in_chunk += 2; \
- break; \
- } \
- } \
- } \
- \
- if (bytes_in_chunk > 0) \
- fprintf ((FILE), "\"\n"); \
- } \
- while (0)
-
-
-/* Node: Label Output */
-
-#define SET_ASM_OP "\t.set\t"
-
-#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
- ASM_GLOBALIZE_LABEL (FILE, XSTR (FUN, 0))
-
-#define ASM_WEAKEN_LABEL(FILE, NAME) \
- do \
- { \
- fputs ("\t.weak\t", (FILE)); \
- assemble_name ((FILE), (NAME)); \
- fputc ('\n', (FILE)); \
- } \
- while (0)
-
-#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
- do \
- { \
- fprintf (FILE, "%s", TYPE_ASM_OP); \
- assemble_name (FILE, NAME); \
- putc (',', FILE); \
- fprintf (FILE, TYPE_OPERAND_FMT, "function"); \
- putc ('\n', FILE); \
- \
- ASM_OUTPUT_LABEL(FILE, NAME); \
- } \
- while (0)
-
-#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
- do \
- { \
- fprintf (FILE, "%s", TYPE_ASM_OP); \
- assemble_name (FILE, NAME); \
- putc (',', FILE); \
- fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
- putc ('\n', FILE); \
- \
- size_directive_output = 0; \
- \
- if (!flag_inhibit_size_directive \
- && (DECL) && DECL_SIZE (DECL)) \
- { \
- size_directive_output = 1; \
- fprintf (FILE, "%s", SIZE_ASM_OP); \
- assemble_name (FILE, NAME); \
- putc (',', FILE); \
- fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, \
- int_size_in_bytes (TREE_TYPE (DECL))); \
- fputc ('\n', FILE); \
- } \
- \
- ASM_OUTPUT_LABEL (FILE, NAME); \
- } \
- while (0)
-
-#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END)\
- do \
- { \
- const char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \
- \
- if (!flag_inhibit_size_directive \
- && DECL_SIZE (DECL) \
- && ! AT_END && TOP_LEVEL \
- && DECL_INITIAL (DECL) == error_mark_node \
- && !size_directive_output) \
- { \
- size_directive_output = 1; \
- fprintf (FILE, "%s", SIZE_ASM_OP); \
- assemble_name (FILE, name); \
- putc (',', FILE); \
- fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, \
- int_size_in_bytes (TREE_TYPE (DECL))); \
- fputc ('\n', FILE); \
- } \
- } \
- while (0)
-
-#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
- do \
- { \
- if (!flag_inhibit_size_directive) \
- { \
- char label[256]; \
- static int labelno; \
- \
- labelno++; \
- \
- ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno); \
- ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno); \
- \
- fprintf (FILE, "%s", SIZE_ASM_OP); \
- assemble_name (FILE, (FNAME)); \
- fprintf (FILE, ","); \
- assemble_name (FILE, label); \
- fprintf (FILE, "-"); \
- assemble_name (FILE, (FNAME)); \
- putc ('\n', FILE); \
- } \
- } \
- while (0)
-
-
-/* Node: Alignment Output */
-
-#define SKIP_ASM_OP "\t.zero\t"
-
-#undef ASM_OUTPUT_SKIP
-#define ASM_OUTPUT_SKIP(FILE, SIZE) \
- fprintf (FILE, "%s%u\n", SKIP_ASM_OP, (SIZE))
-
-/* Node: All Debuggers */
-
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-
-
-/* Node: Misc */
-
-#define HANDLE_SYSV_PRAGMA
-
-/* In theory, this one isn't necessary, but over time, external tools have
- been primed on names with "." rather than "$". */
-#define NO_DOLLAR_IN_LABEL
-
-/* These are undocumented, but to keep a single
- CRIS_ASM_OUTPUT_ALIGNED_DECL_COMMON, we set this to an asm that will
- emit an error if ever output. It will not be emitted for a.out modulo
- careless hacking. */
-#define COMMON_ASM_OP "\t.err\t"
-#define LOCAL_ASM_OP "\t.err\t"
-
-#if defined(__CRIS__) && defined (__AOUT__) && defined (IN_GCC)
-
-#define CRIS_ABI_VERSION_SYMBOL_STRING ".$CRIS_ABI_V2"
-
-/* Make all a.out library functions have undefined references to the
- .$CRIS_ABI_V2 symbol, so it will be picked up. Used by GDB. GDB has
- a bug with reading a.out symbols; it does not see the GNU weak
- extensions, so we can't have .$CRIS_ABI_V2 weak. Weak. */
-__asm__ (".set .$abi_referer," CRIS_ABI_VERSION_SYMBOL_STRING);
-#endif
-
-/*
- * Local variables:
- * eval: (c-set-style "gnu")
- * indent-tabs-mode: t
- * End:
- */
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