/* Definitions of target machine for GCC,
|
/* Definitions of target machine for GCC,
|
for i386/ELF NetBSD systems.
|
for i386/ELF NetBSD systems.
|
Copyright (C) 2001, 2002, 2004, 2007 Free Software Foundation, Inc.
|
Copyright (C) 2001, 2002, 2004, 2007 Free Software Foundation, Inc.
|
Contributed by matthew green <mrg@eterna.com.au>
|
Contributed by matthew green <mrg@eterna.com.au>
|
|
|
This file is part of GCC.
|
This file is part of GCC.
|
|
|
GCC is free software; you can redistribute it and/or modify
|
GCC is free software; you can redistribute it and/or modify
|
it under the terms of the GNU General Public License as published by
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 3, or (at your option)
|
the Free Software Foundation; either version 3, or (at your option)
|
any later version.
|
any later version.
|
|
|
GCC is distributed in the hope that it will be useful,
|
GCC is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with GCC; see the file COPYING3. If not see
|
along with GCC; see the file COPYING3. If not see
|
<http://www.gnu.org/licenses/>. */
|
<http://www.gnu.org/licenses/>. */
|
|
|
#define TARGET_OS_CPP_BUILTINS() \
|
#define TARGET_OS_CPP_BUILTINS() \
|
do \
|
do \
|
{ \
|
{ \
|
NETBSD_OS_CPP_BUILTINS_ELF(); \
|
NETBSD_OS_CPP_BUILTINS_ELF(); \
|
} \
|
} \
|
while (0)
|
while (0)
|
|
|
|
|
/* Extra specs needed for NetBSD/i386 ELF. */
|
/* Extra specs needed for NetBSD/i386 ELF. */
|
|
|
#undef SUBTARGET_EXTRA_SPECS
|
#undef SUBTARGET_EXTRA_SPECS
|
#define SUBTARGET_EXTRA_SPECS \
|
#define SUBTARGET_EXTRA_SPECS \
|
{ "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \
|
{ "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \
|
{ "netbsd_entry_point", NETBSD_ENTRY_POINT },
|
{ "netbsd_entry_point", NETBSD_ENTRY_POINT },
|
|
|
|
|
/* Provide a LINK_SPEC appropriate for a NetBSD/i386 ELF target. */
|
/* Provide a LINK_SPEC appropriate for a NetBSD/i386 ELF target. */
|
|
|
#undef LINK_SPEC
|
#undef LINK_SPEC
|
#define LINK_SPEC NETBSD_LINK_SPEC_ELF
|
#define LINK_SPEC NETBSD_LINK_SPEC_ELF
|
|
|
#define NETBSD_ENTRY_POINT "__start"
|
#define NETBSD_ENTRY_POINT "__start"
|
|
|
|
|
/* Provide a CPP_SPEC appropriate for NetBSD. */
|
/* Provide a CPP_SPEC appropriate for NetBSD. */
|
|
|
#undef CPP_SPEC
|
#undef CPP_SPEC
|
#define CPP_SPEC "%(netbsd_cpp_spec)"
|
#define CPP_SPEC "%(netbsd_cpp_spec)"
|
|
|
|
|
/* Make gcc agree with <machine/ansi.h> */
|
/* Make gcc agree with <machine/ansi.h> */
|
|
|
#undef SIZE_TYPE
|
#undef SIZE_TYPE
|
#define SIZE_TYPE "unsigned int"
|
#define SIZE_TYPE "unsigned int"
|
|
|
#undef PTRDIFF_TYPE
|
#undef PTRDIFF_TYPE
|
#define PTRDIFF_TYPE "int"
|
#define PTRDIFF_TYPE "int"
|
|
|
#undef ASM_APP_ON
|
#undef ASM_APP_ON
|
#define ASM_APP_ON "#APP\n"
|
#define ASM_APP_ON "#APP\n"
|
|
|
#undef ASM_APP_OFF
|
#undef ASM_APP_OFF
|
#define ASM_APP_OFF "#NO_APP\n"
|
#define ASM_APP_OFF "#NO_APP\n"
|
|
|
#undef ASM_COMMENT_START
|
#undef ASM_COMMENT_START
|
#define ASM_COMMENT_START "#"
|
#define ASM_COMMENT_START "#"
|
|
|
#undef DBX_REGISTER_NUMBER
|
#undef DBX_REGISTER_NUMBER
|
#define DBX_REGISTER_NUMBER(n) svr4_dbx_register_map[n]
|
#define DBX_REGISTER_NUMBER(n) svr4_dbx_register_map[n]
|
|
|
|
|
/* Output assembler code to FILE to call the profiler. */
|
/* Output assembler code to FILE to call the profiler. */
|
|
|
#undef NO_PROFILE_COUNTERS
|
#undef NO_PROFILE_COUNTERS
|
#define NO_PROFILE_COUNTERS 1
|
#define NO_PROFILE_COUNTERS 1
|
|
|
#undef FUNCTION_PROFILER
|
#undef FUNCTION_PROFILER
|
#define FUNCTION_PROFILER(FILE, LABELNO) \
|
#define FUNCTION_PROFILER(FILE, LABELNO) \
|
{ \
|
{ \
|
if (flag_pic) \
|
if (flag_pic) \
|
fprintf (FILE, "\tcall __mcount@PLT\n"); \
|
fprintf (FILE, "\tcall __mcount@PLT\n"); \
|
else \
|
else \
|
fprintf (FILE, "\tcall __mcount\n"); \
|
fprintf (FILE, "\tcall __mcount\n"); \
|
}
|
}
|
|
|
|
|
#undef HAS_INIT_SECTION
|
#undef HAS_INIT_SECTION
|
|
|
/* This is how we tell the assembler that two symbols have the same value. */
|
/* This is how we tell the assembler that two symbols have the same value. */
|
|
|
#define ASM_OUTPUT_DEF(FILE,NAME1,NAME2) \
|
#define ASM_OUTPUT_DEF(FILE,NAME1,NAME2) \
|
do { assemble_name(FILE, NAME1); \
|
do { assemble_name(FILE, NAME1); \
|
fputs(" = ", FILE); \
|
fputs(" = ", FILE); \
|
assemble_name(FILE, NAME2); \
|
assemble_name(FILE, NAME2); \
|
fputc('\n', FILE); } while (0)
|
fputc('\n', FILE); } while (0)
|
|
|
/* A C statement to output to the stdio stream FILE an assembler
|
/* A C statement to output to the stdio stream FILE an assembler
|
command to advance the location counter to a multiple of 1<<LOG
|
command to advance the location counter to a multiple of 1<<LOG
|
bytes if it is within MAX_SKIP bytes.
|
bytes if it is within MAX_SKIP bytes.
|
|
|
This is used to align code labels according to Intel recommendations. */
|
This is used to align code labels according to Intel recommendations. */
|
|
|
#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
|
#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
|
#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \
|
#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \
|
if ((LOG) != 0) { \
|
if ((LOG) != 0) { \
|
if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
|
if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
|
else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
|
else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
|
}
|
}
|
#endif
|
#endif
|
|
|
/* We always use gas here, so we don't worry about ECOFF assembler
|
/* We always use gas here, so we don't worry about ECOFF assembler
|
problems. */
|
problems. */
|
#undef TARGET_GAS
|
#undef TARGET_GAS
|
#define TARGET_GAS 1
|
#define TARGET_GAS 1
|
|
|
/* Default to pcc-struct-return, because this is the ELF abi and
|
/* Default to pcc-struct-return, because this is the ELF abi and
|
we don't care about compatibility with older gcc versions. */
|
we don't care about compatibility with older gcc versions. */
|
#define DEFAULT_PCC_STRUCT_RETURN 1
|
#define DEFAULT_PCC_STRUCT_RETURN 1
|
|
|
/* Attempt to enable execute permissions on the stack. */
|
/* Attempt to enable execute permissions on the stack. */
|
#define ENABLE_EXECUTE_STACK NETBSD_ENABLE_EXECUTE_STACK
|
#define ENABLE_EXECUTE_STACK NETBSD_ENABLE_EXECUTE_STACK
|
|
|
#define TARGET_VERSION fprintf (stderr, " (NetBSD/i386 ELF)");
|
#define TARGET_VERSION fprintf (stderr, " (NetBSD/i386 ELF)");
|
|
|
