diff options
Diffstat (limited to 'gcc/config/i386/rtemself.h')
| -rw-r--r-- | gcc/config/i386/rtemself.h | 91 |
1 files changed, 13 insertions, 78 deletions
diff --git a/gcc/config/i386/rtemself.h b/gcc/config/i386/rtemself.h index 7844007ebab..bcedb4536bd 100644 --- a/gcc/config/i386/rtemself.h +++ b/gcc/config/i386/rtemself.h @@ -1,8 +1,6 @@ -/* Definitions for Intel 386 running Linux-based GNU systems with ELF format. - Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000 - Free Software Foundation, Inc. - Contributed by Eric Youngdale. - Modified for stabs-in-ELF by H.J. Lu. +/* Definitions for rtems targeting a ix86 using ELF. + Copyright (C) 1996, 1997, 2000, 2001, 2002 Free Software Foundation, Inc. + Contributed by Joel Sherrill (joel@OARcorp.com). This file is part of GNU CC. @@ -21,81 +19,14 @@ 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. */ -#define LINUX_DEFAULT_ELF +/* Specify predefined symbols in preprocessor. */ -/* A lie, I guess, but the general idea behind linux/ELF is that we are - supposed to be outputting something that will assemble under SVr4. - This gets us pretty close. */ -#include <i386/i386.h> /* Base i386 target machine definitions */ -#include <i386/att.h> /* Use the i386 AT&T assembler syntax */ -#include <linux.h> /* some common stuff */ - -#undef TARGET_VERSION -#define TARGET_VERSION fprintf (stderr, " (i386 RTEMS with ELF)"); - -/* The svr4 ABI for the i386 says that records and unions are returned - in memory. */ -#undef DEFAULT_PCC_STRUCT_RETURN -#define DEFAULT_PCC_STRUCT_RETURN 1 - -/* This is how to output an element of a case-vector that is relative. - This is only used for PIC code. See comments by the `casesi' insn in - i386.md for an explanation of the expression this outputs. */ -#undef ASM_OUTPUT_ADDR_DIFF_ELT -#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \ - fprintf (FILE, "\t.long _GLOBAL_OFFSET_TABLE_+[.-%s%d]\n", LPREFIX, VALUE) - -/* Indicate that jump tables go in the text section. This is - necessary when compiling PIC code. */ -#define JUMP_TABLES_IN_TEXT_SECTION (flag_pic) - -#undef DBX_REGISTER_NUMBER -#define DBX_REGISTER_NUMBER(n) svr4_dbx_register_map[n] - -/* Output assembler code to FILE to increment profiler label # LABELNO - for profiling a function entry. */ - -#undef FUNCTION_PROFILER -#define FUNCTION_PROFILER(FILE, LABELNO) \ -{ \ - if (flag_pic) \ - { \ - fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%edx\n", \ - LPREFIX, (LABELNO)); \ - fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n"); \ - } \ - else \ - { \ - fprintf (FILE, "\tmovl $%sP%d,%%edx\n", LPREFIX, (LABELNO)); \ - fprintf (FILE, "\tcall mcount\n"); \ - } \ -} - -#undef SIZE_TYPE -#define SIZE_TYPE "unsigned int" - -#undef PTRDIFF_TYPE -#define PTRDIFF_TYPE "int" - -#undef WCHAR_TYPE -#define WCHAR_TYPE "long int" - -#undef WCHAR_TYPE_SIZE -#define WCHAR_TYPE_SIZE BITS_PER_WORD - #undef CPP_PREDEFINES -#define CPP_PREDEFINES "-Drtems -D__rtems__ -Asystem=rtems" - -/* Get perform_* macros to build libgcc.a. */ -#include "i386/perform.h" +#define CPP_PREDEFINES "-D__rtems__ -Asystem=rtems \ + -D__ELF__ -D__i386__ -D__USE_INIT_FINI__" -/* A C statement (sans semicolon) to output to the stdio stream - FILE the assembler definition of uninitialized global DECL named - NAME whose size is SIZE bytes and alignment is ALIGN bytes. - Try to use asm_output_aligned_bss to implement this macro. */ - -#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ - asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN) +#undef CPP_SPEC +#define CPP_SPEC "%(cpp_cpu) %{msoft-float:-D_SOFT_FLOAT}" #undef STARTFILE_SPEC #define STARTFILE_SPEC "crt0.o%s crti.o%s crtbegin.o%s" @@ -103,7 +34,11 @@ Boston, MA 02111-1307, USA. */ #undef ENDFILE_SPEC #define ENDFILE_SPEC "crtend.o%s crtn.o%s" +/* Generate calls to memcpy, memcmp and memset. */ +#ifndef TARGET_MEM_FUNCTIONS +#define TARGET_MEM_FUNCTIONS +#endif + /* Get machine-independent configuration parameters for RTEMS. */ #include <rtems.h> -/* end of i386/rtemself.h */ |