/* Definitions of target machine for GNU compiler, Citicorp/TTI Unicom PBD version (using GAS and COFF (encapsulated is unacceptable) ) Copyright (C) 1990, 1996, 2000 Free Software Foundation, Inc. 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Names to predefine in the preprocessor for this target machine. */ #undef CPP_PREDEFINES #define CPP_PREDEFINES "-Dsparc -DUnicomPBD -Dunix -D__GCC_NEW_VARARGS__ -Asystem=unix -Acpu=sparc -Amachine=sparc" /* 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 internal numbered label where PREFIX is the class of label and NUM is the number within the class. */ #undef ASM_OUTPUT_INTERNAL_LABEL #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ fprintf (FILE, ".%s%d:\n", PREFIX, 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) \ { static int sym_lineno = 1; \ fprintf (file, ".stabn 68,0,%d,.LM%d\n.LM%d:\n", \ line, sym_lineno, sym_lineno); \ sym_lineno += 1; } #define ASM_INT_OP "\t.long "