diff options
Diffstat (limited to 'gcc/config/arm/unknown-elf.h')
| -rw-r--r-- | gcc/config/arm/unknown-elf.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/gcc/config/arm/unknown-elf.h b/gcc/config/arm/unknown-elf.h new file mode 100644 index 0000000..c9ad990 --- /dev/null +++ b/gcc/config/arm/unknown-elf.h @@ -0,0 +1,97 @@ +/* Definitions for non-Linux based ARM systems using ELF + Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 + Free Software Foundation, Inc. + Contributed by Catherine Moore <clm@cygnus.com> + + 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 this program; see the file COPYING. If not, write to + the Free Software Foundation, 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ + +/* elfos.h should have already been included. Now just override + any conflicting definitions and add any extras. */ + +/* Run-time Target Specification. */ +#ifndef TARGET_VERSION +#define TARGET_VERSION fputs (" (ARM/ELF)", stderr); +#endif + +/* Default to using software floating point. */ +#ifndef TARGET_DEFAULT +#define TARGET_DEFAULT (0) +#endif + +/* Now we define the strings used to build the spec file. */ +#undef STARTFILE_SPEC +#define STARTFILE_SPEC " crti%O%s crtbegin%O%s crt0%O%s" + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC "crtend%O%s crtn%O%s" + +/* The __USES_INITFINI__ define is tested in newlib/libc/sys/arm/crt0.S + to see if it needs to invoked _init() and _fini(). */ +#undef SUBTARGET_CPP_SPEC +#define SUBTARGET_CPP_SPEC "-D__USES_INITFINI__" + +#undef PREFERRED_DEBUGGING_TYPE +#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG + +/* Return a nonzero value if DECL has a section attribute. */ +#define IN_NAMED_SECTION(DECL) \ + ((TREE_CODE (DECL) == FUNCTION_DECL || TREE_CODE (DECL) == VAR_DECL) \ + && DECL_SECTION_NAME (DECL) != NULL_TREE) + +#undef ASM_OUTPUT_ALIGNED_BSS +#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ + do \ + { \ + if (IN_NAMED_SECTION (DECL)) \ + switch_to_section (get_named_section (DECL, NULL, 0)); \ + else \ + switch_to_section (bss_section); \ + \ + ASM_OUTPUT_ALIGN (FILE, floor_log2 (ALIGN / BITS_PER_UNIT)); \ + \ + last_assemble_variable_decl = DECL; \ + ASM_DECLARE_OBJECT_NAME (FILE, NAME, DECL); \ + ASM_OUTPUT_SKIP (FILE, SIZE ? (int)(SIZE) : 1); \ + } \ + while (0) + +#undef ASM_OUTPUT_ALIGNED_DECL_LOCAL +#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \ + do \ + { \ + if ((DECL) != NULL && IN_NAMED_SECTION (DECL)) \ + switch_to_section (get_named_section (DECL, NULL, 0)); \ + else \ + switch_to_section (bss_section); \ + \ + ASM_OUTPUT_ALIGN (FILE, floor_log2 (ALIGN / BITS_PER_UNIT)); \ + ASM_OUTPUT_LABEL (FILE, NAME); \ + fprintf (FILE, "\t.space\t%d\n", SIZE ? (int)(SIZE) : 1); \ + } \ + while (0) + +#ifndef SUBTARGET_CPU_DEFAULT +#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm7tdmi +#endif + +/* The libgcc udivmod functions may throw exceptions. If newlib is + configured to support long longs in I/O, then printf will depend on + udivmoddi4, which will depend on the exception unwind routines, + which will depend on abort, which is defined in libc. */ +#undef LINK_GCC_C_SEQUENCE_SPEC +#define LINK_GCC_C_SEQUENCE_SPEC "--start-group %G %L --end-group" |
