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- /* Definitions of target machine for GNU compiler for Intel 80386
- running FreeBSD.
- Copyright (C) 1988, 1992, 1994 Free Software Foundation, Inc.
- Contributed by Poul-Henning Kamp <phk@login.dkuug.dk>
-
- 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- /* This goes away when the math-emulator is fixed */
- #define TARGET_CPU_DEFAULT 0400 /* TARGET_NO_FANCY_MATH_387 */
-
- /* This is tested by i386gas.h. */
- #define YES_UNDERSCORES
-
- #include "i386/gstabs.h"
-
- /* Get perform_* macros to build libgcc.a. */
- #include "i386/perform.h"
-
- #undef CPP_PREDEFINES
- #define CPP_PREDEFINES "-Dunix -Di386 -D__FreeBSD__ -D__386BSD__ -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)"
-
- #define INCLUDE_DEFAULTS { \
- { "/usr/include", 0 }, \
- { "/usr/include/g++", 1 }, \
- { 0, 0} \
- }
-
- /* Like the default, except no -lg. */
- #define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
-
- #undef SIZE_TYPE
- #define SIZE_TYPE "unsigned int"
-
- #undef PTRDIFF_TYPE
- #define PTRDIFF_TYPE "int"
-
- #undef WCHAR_TYPE
- #define WCHAR_TYPE "short unsigned int"
-
- #define WCHAR_UNSIGNED 1
-
- #undef WCHAR_TYPE_SIZE
- #define WCHAR_TYPE_SIZE 16
-
- #define HAVE_ATEXIT
-
- /* Redefine this to use %eax instead of %edx. */
- #undef FUNCTION_PROFILER
- #define FUNCTION_PROFILER(FILE, LABELNO) \
- { \
- if (flag_pic) \
- { \
- fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%eax\n", \
- LPREFIX, (LABELNO)); \
- fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n"); \
- } \
- else \
- { \
- fprintf (FILE, "\tmovl $%sP%d,%%eax\n", LPREFIX, (LABELNO)); \
- fprintf (FILE, "\tcall mcount\n"); \
- } \
- }
-
- /* There are conflicting reports about whether this system uses
- a different assembler syntax. wilson@cygnus.com says # is right. */
- #undef COMMENT_BEGIN
- #define COMMENT_BEGIN "#"
-
- #undef ASM_APP_ON
- #define ASM_APP_ON "#APP\n"
-
- #undef ASM_APP_OFF
- #define ASM_APP_OFF "#NO_APP\n"
-
- /* The following macros are stolen from i386v4.h */
- /* These have to be defined to get PIC code correct */
-
- /* 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, 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
-
- /* Don't default to pcc-struct-return, because gcc is the only compiler, and
- we want to retain compatibility with older gcc versions. */
- #define DEFAULT_PCC_STRUCT_RETURN 0
-
- /*
- * Some imports from svr4.h in support of shared libraries.
- * Currently, we need the DECLARE_OBJECT_SIZE stuff.
- */
-
- /* Define the strings used for the special svr4 .type and .size directives.
- These strings generally do not vary from one system running svr4 to
- another, but if a given system (e.g. m88k running svr) needs to use
- different pseudo-op names for these, they may be overridden in the
- file which includes this one. */
-
- #define TYPE_ASM_OP ".type"
- #define SIZE_ASM_OP ".size"
- #define WEAK_ASM_OP ".weak"
-
- /* The following macro defines the format used to output the second
- operand of the .type assembler directive. Different svr4 assemblers
- expect various different forms for this operand. The one given here
- is just a default. You may need to override it in your machine-
- specific tm.h file (depending upon the particulars of your assembler). */
-
- #define TYPE_OPERAND_FMT "@%s"
-
- /* Write the extra assembler code needed to declare a function's result.
- Most svr4 assemblers don't require any special declaration of the
- result value, but there are exceptions. */
-
- #ifndef ASM_DECLARE_RESULT
- #define ASM_DECLARE_RESULT(FILE, RESULT)
- #endif
-
- /* These macros generate the special .type and .size directives which
- are used to set the corresponding fields of the linker symbol table
- entries in an ELF object file under SVR4. These macros also output
- the starting labels for the relevant functions/objects. */
-
- /* Write the extra assembler code needed to declare a function properly.
- Some svr4 assemblers need to also have something extra said about the
- function's return value. We allow for that here. */
-
- #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
- do { \
- fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
- assemble_name (FILE, NAME); \
- putc (',', FILE); \
- fprintf (FILE, TYPE_OPERAND_FMT, "function"); \
- putc ('\n', FILE); \
- ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
- ASM_OUTPUT_LABEL(FILE, NAME); \
- } while (0)
-
- /* Write the extra assembler code needed to declare an object properly. */
-
- #define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
- do { \
- fprintf (FILE, "\t%s\t ", 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_SIZE (DECL)) \
- { \
- size_directive_output = 1; \
- fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
- assemble_name (FILE, NAME); \
- fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \
- } \
- ASM_OUTPUT_LABEL(FILE, NAME); \
- } while (0)
-
- /* Output the size directive for a decl in rest_of_decl_compilation
- in the case where we did not do so before the initializer.
- Once we find the error_mark_node, we know that the value of
- size_directive_output was set
- by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */
-
- #define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \
- do { \
- 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) \
- { \
- fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
- assemble_name (FILE, name); \
- fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL)));\
- } \
- } while (0)
-
-
- /* This is how to declare the size of a function. */
-
- #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, "\t%s\t ", SIZE_ASM_OP); \
- assemble_name (FILE, (FNAME)); \
- fprintf (FILE, ","); \
- assemble_name (FILE, label); \
- fprintf (FILE, "-"); \
- assemble_name (FILE, (FNAME)); \
- putc ('\n', FILE); \
- } \
- } while (0)
-
- #define ASM_SPEC " %| %{fpic:-k} %{fPIC:-k}"
- #define LINK_SPEC \
- "%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} %{assert*}"
-
- /* This section copied from i386/osfrose.h */
-
- /* A C statement or compound statement to output to FILE some
- assembler code to initialize basic-block profiling for the current
- object module. This code should call the subroutine
- `__bb_init_func' once per object module, passing it as its sole
- argument the address of a block allocated in the object module.
-
- The name of the block is a local symbol made with this statement:
-
- ASM_GENERATE_INTERNAL_LABEL (BUFFER, "LPBX", 0);
-
- Of course, since you are writing the definition of
- `ASM_GENERATE_INTERNAL_LABEL' as well as that of this macro, you
- can take a short cut in the definition of this macro and use the
- name that you know will result.
-
- The first word of this block is a flag which will be nonzero if the
- object module has already been initialized. So test this word
- first, and do not call `__bb_init_func' if the flag is nonzero. */
-
- #undef FUNCTION_BLOCK_PROFILER
- #define FUNCTION_BLOCK_PROFILER(STREAM, LABELNO) \
- do \
- { \
- if (!flag_pic) \
- { \
- fprintf (STREAM, "\tcmpl $0,%sPBX0\n", LPREFIX); \
- fprintf (STREAM, "\tjne 0f\n"); \
- fprintf (STREAM, "\tpushl $%sPBX0\n", LPREFIX); \
- fprintf (STREAM, "\tcall ___bb_init_func\n"); \
- fprintf (STREAM, "0:\n"); \
- } \
- else \
- { \
- fprintf (STREAM, "\tpushl %eax\n"); \
- fprintf (STREAM, "\tmovl %sPBX0@GOT(%ebx),%eax\n"); \
- fprintf (STREAM, "\tcmpl $0,(%eax)\n"); \
- fprintf (STREAM, "\tjne 0f\n"); \
- fprintf (STREAM, "\tpushl %eax\n"); \
- fprintf (STREAM, "\tcall ___bb_init_func@PLT\n"); \
- fprintf (STREAM, "0:\n"); \
- fprintf (STREAM, "\tpopl %eax\n"); \
- } \
- } \
- while (0)
-
- /* A C statement or compound statement to increment the count
- associated with the basic block number BLOCKNO. Basic blocks are
- numbered separately from zero within each compilation. The count
- associated with block number BLOCKNO is at index BLOCKNO in a
- vector of words; the name of this array is a local symbol made
- with this statement:
-
- ASM_GENERATE_INTERNAL_LABEL (BUFFER, "LPBX", 2);
-
- Of course, since you are writing the definition of
- `ASM_GENERATE_INTERNAL_LABEL' as well as that of this macro, you
- can take a short cut in the definition of this macro and use the
- name that you know will result. */
-
- #undef BLOCK_PROFILER
- #define BLOCK_PROFILER(STREAM, BLOCKNO) \
- do \
- { \
- if (!flag_pic) \
- fprintf (STREAM, "\tincl %sPBX2+%d\n", LPREFIX, (BLOCKNO)*4); \
- else \
- { \
- fprintf (STREAM, "\tpushl %eax\n"); \
- fprintf (STREAM, "\tmovl %sPBX2@GOT(%ebx),%eax\n", LPREFIX); \
- fprintf (STREAM, "\tincl %d(%eax)\n", (BLOCKNO)*4); \
- fprintf (STREAM, "\tpopl %eax\n"); \
- } \
- } \
- while (0)
-
- /* This is defined when gcc is compiled in the BSD-directory-tree, and must
- * make up for the gap to all the stuff done in the GNU-makefiles.
- */
-
- #ifdef FREEBSD_NATIVE
-
- #undef MD_EXEC_PREFIX
- #define MD_EXEC_PREFIX "/usr/libexec/"
-
- #undef STANDARD_STARTFILE_PREFIX
- #define STANDARD_STARTFILE_PREFIX "/usr/lib"
-
- #define DEFAULT_TARGET_MACHINE "i386-unknown-freebsd_1.0"
- #define GPLUSPLUS_INCLUDE_DIR "/usr/local/lib/gcc-lib/i386-unknown-freebsd_1.0/2.5.8/include"
- #define TOOL_INCLUDE_DIR "/usr/local/i386-unknown-freebsd_1.0/include"
- #define GCC_INCLUDE_DIR "/usr/local/lib/gcc-lib/i386-unknown-freebsd_1.0/2.5.8/include"
-
- #endif /* FREEBSD_NATIVE */
-