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/* Definitions of target machine for GNU compiler, Citicorp/TTI Unicom PBD
version (using GAS and COFF (encapsulated is unacceptable) )
Copyright (C) 1990, 1996, 2000, 2004 Free Software Foundation, Inc.
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 GCC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* Target OS builtins. */
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
builtin_define_std ("unix"); \
builtin_define_std ("UnicomPBD"); \
builtin_assert ("system=unix"); \
} \
while (0)
/* We want DBX format for use with gdb under COFF. */
#define DBX_DEBUGGING_INFO 1
/* Generate calls to memcpy, memcmp and memset. */
#define TARGET_MEM_FUNCTIONS
/* we use /lib/libp/lib* when profiling */
#undef LIB_SPEC
#define LIB_SPEC "%{p:-L/usr/lib/libp} %{pg:-L/usr/lib/libp} -lc"
/* Use crt1.o as a startup file and crtn.o as a closing file. */
/*
* The loader directive file gcc.ifile defines how to merge the constructor
* sections into the data section. Also, since gas only puts out those
* sections in response to N_SETT stabs, and does not (yet) have a
* ".sections" directive, gcc.ifile also defines the list symbols
* __DTOR_LIST__ and __CTOR_LIST__.
*
* Finally, we must explicitly specify the file from libgcc.a that defines
* exit(), otherwise if the user specifies (for example) "-lc_s" on the
* command line, the wrong exit() will be used and global destructors will
* not get called .
*/
#define STARTFILE_SPEC \
"%{!r: gcc.ifile%s} %{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}} \
%{!r:_exit.o%s}"
#define ENDFILE_SPEC "crtn.o%s"
/* LINK_SPEC is needed only for SunOS 4. */
#undef LINK_SPEC
/* Although the gas we use can create .ctor and .dtor sections from N_SETT
stabs, it does not support section directives, so we need to have the loader
define the lists.
*/
#define CTOR_LISTS_DEFINED_EXTERNALLY
/* similar to default, but allows for the table defined by ld with gcc.ifile.
nptrs is always 0. So we need to instead check that __DTOR_LIST__[1] != 0.
The old check is left in so that the same macro can be used if and when
a future version of gas does support section directives. */
#define DO_GLOBAL_DTORS_BODY {int nptrs = *(int *)__DTOR_LIST__; int i; \
if (nptrs == -1 || (__DTOR_LIST__[0] == 0 && __DTOR_LIST__[1] != 0)) \
for (nptrs = 0; __DTOR_LIST__[nptrs + 1] != 0; nptrs++); \
for (i = nptrs; i >= 1; i--) \
__DTOR_LIST__[i] (); }
/*
* Here is an example gcc.ifile. I've tested it on PBD sparc
* systems. The NEXT(0x200000) works on just about all 386 and m68k systems,
* but can be reduced to any power of 2 that is >= NBPS (0x40000 on a pbd).
SECTIONS {
.text BIND(0x41000200) BLOCK (0x200) :
{ *(.init) *(.text) vfork = fork; *(.fini) }
GROUP BIND( NEXT(0x200000) + ADDR(.text) + SIZEOF(.text)):
{ .data : { __CTOR_LIST__ = . ; . += 4; *(.ctor) . += 4 ;
__DTOR_LIST__ = . ; . += 4; *(.dtor) . += 4 ; }
.bss : { }
}
}
*/
/* The prefix to add to user-visible assembler symbols. */
#undef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX ""
/* fixes: */
/*
* Internal labels are prefixed with a period.
*/
#undef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."
/* This is how to store into the string LABEL
the symbol_ref name of an internal numbered label where
PREFIX is the class of label and NUM is the number within the class.
This is suitable for output with `assemble_name'. */
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
sprintf (LABEL, "*.%s%ld", PREFIX, (long)(NUM))
/* This is how to output an element of a case-vector that is relative. */
#undef ASM_OUTPUT_ADDR_DIFF_ELT
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
fprintf (FILE, "\t.word .L%d-.L%d\n", VALUE, REL)
/* This is how to output an element of a case-vector that is absolute.
(The 68000 does not use such vectors,
but we must define this macro anyway.) */
#undef ASM_OUTPUT_ADDR_VEC_ELT
#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
fprintf (FILE, "\t.word .L%d\n", VALUE)
/* This is needed for SunOS 4.0, and should not hurt for 3.2
versions either. */
#undef ASM_OUTPUT_SOURCE_LINE
#define ASM_OUTPUT_SOURCE_LINE(file, line, counter) \
fprintf (file, ".stabn 68,0,%d,.LM%d\n.LM%d:\n", \
line, counter, counter)
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