101 lines
3.3 KiB
C
101 lines
3.3 KiB
C
/* Definitions for non-Linux based ARM systems using ELF
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Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
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Contributed by Catherine Moore <clm@cygnus.com>
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* elfos.h should have already been included. Now just override
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any conflicting definitions and add any extras. */
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/* Run-time Target Specification. */
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#ifndef TARGET_VERSION
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#define TARGET_VERSION fputs (" (ARM/ELF)", stderr);
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#endif
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/* Default to using APCS-32 and software floating point. */
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#ifndef TARGET_DEFAULT
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#define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT | ARM_FLAG_APCS_32 | ARM_FLAG_APCS_FRAME)
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#endif
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/* Now we define the strings used to build the spec file. */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC " crti%O%s crtbegin%O%s crt0%O%s"
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC "crtend%O%s crtn%O%s"
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/* The __USES_INITFINI__ define is tested in newlib/libc/sys/arm/crt0.S
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to see if it needs to invoked _init() and _fini(). */
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#undef SUBTARGET_CPP_SPEC
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#define SUBTARGET_CPP_SPEC "-D__ELF__ -D__USES_INITFINI__"
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#undef PREFERRED_DEBUGGING_TYPE
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#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
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/* Return a non-zero value if DECL has a section attribute. */
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#define IN_NAMED_SECTION(DECL) \
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((TREE_CODE (DECL) == FUNCTION_DECL || TREE_CODE (DECL) == VAR_DECL) \
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&& DECL_SECTION_NAME (DECL) != NULL_TREE)
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#undef ASM_OUTPUT_ALIGNED_BSS
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#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
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do \
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{ \
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if (IN_NAMED_SECTION (DECL)) \
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named_section (DECL, NULL, 0); \
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else \
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bss_section (); \
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\
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ASM_GLOBALIZE_LABEL (FILE, NAME); \
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\
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ASM_OUTPUT_ALIGN (FILE, floor_log2 (ALIGN / BITS_PER_UNIT)); \
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\
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last_assemble_variable_decl = DECL; \
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ASM_DECLARE_OBJECT_NAME (FILE, NAME, DECL); \
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ASM_OUTPUT_SKIP (FILE, SIZE ? SIZE : 1); \
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} \
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while (0)
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#undef ASM_OUTPUT_ALIGNED_DECL_LOCAL
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#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
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do \
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{ \
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if ((DECL) != NULL && IN_NAMED_SECTION (DECL)) \
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named_section (DECL, NULL, 0); \
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else \
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bss_section (); \
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\
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ASM_OUTPUT_ALIGN (FILE, floor_log2 (ALIGN / BITS_PER_UNIT)); \
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ASM_OUTPUT_LABEL (FILE, NAME); \
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fprintf (FILE, "\t.space\t%d\n", SIZE); \
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} \
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while (0)
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#ifndef CPP_PREDEFINES
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#define CPP_PREDEFINES "-D__ELF__"
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#endif
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#ifndef CPP_APCS_PC_DEFAULT_SPEC
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#define CPP_APCS_PC_DEFAULT_SPEC "-D__APCS_32__"
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#endif
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#ifndef SUBTARGET_CPU_DEFAULT
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#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm7tdmi
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#endif
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