sol2.h revision 122180
1325322Sgordon/* Target definitions for GNU compiler for Intel 80386 running Solaris 2 2325322Sgordon Copyright (C) 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 3325322Sgordon Free Software Foundation, Inc. 4325322Sgordon Contributed by Fred Fish (fnf@cygnus.com). 5325322Sgordon 6325322SgordonThis file is part of GNU CC. 7325322Sgordon 8325322SgordonGNU CC is free software; you can redistribute it and/or modify 9325322Sgordonit under the terms of the GNU General Public License as published by 10325322Sgordonthe Free Software Foundation; either version 2, or (at your option) 11325322Sgordonany later version. 12325322Sgordon 13325322SgordonGNU CC is distributed in the hope that it will be useful, 14325322Sgordonbut WITHOUT ANY WARRANTY; without even the implied warranty of 15325322SgordonMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16325322SgordonGNU General Public License for more details. 17325322Sgordon 18325322SgordonYou should have received a copy of the GNU General Public License 19325322Sgordonalong with GNU CC; see the file COPYING. If not, write to 20325322Sgordonthe Free Software Foundation, 59 Temple Place - Suite 330, 21325322SgordonBoston, MA 02111-1307, USA. */ 22325322Sgordon 23325322Sgordon/* The Solaris 2.0 x86 linker botches alignment of code sections. 24325322Sgordon It tries to align to a 16 byte boundary by padding with 0x00000090 25325322Sgordon ints, rather than 0x90 bytes (nop). This generates trash in the 26325322Sgordon ".init" section since the contribution from crtbegin.o is only 7 27325322Sgordon bytes. The linker pads it to 16 bytes with a single 0x90 byte, and 28325322Sgordon two 0x00000090 ints, which generates a segmentation violation when 29325322Sgordon executed. This macro forces the assembler to do the padding, since 30325322Sgordon it knows what it is doing. */ 31325322Sgordon#define FORCE_CODE_SECTION_ALIGN asm(ALIGN_ASM_OP "16"); 32325322Sgordon 33325322Sgordon/* Select a format to encode pointers in exception handling data. CODE 34325322Sgordon is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is 35325322Sgordon true if the symbol may be affected by dynamic relocations. */ 36325322Sgordon#undef ASM_PREFERRED_EH_DATA_FORMAT 37325322Sgordon#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ 38325322Sgordon (flag_pic ? (GLOBAL ? DW_EH_PE_indirect : 0) | DW_EH_PE_datarel \ 39325322Sgordon : DW_EH_PE_absptr) 40325322Sgordon 41325322Sgordon/* Solaris 2/Intel as chokes on #line directives. */ 42325322Sgordon#undef CPP_SPEC 43325322Sgordon#define CPP_SPEC "%{.S:-P} %(cpp_subtarget)" 44325322Sgordon 45325322Sgordon/* FIXME: Removed -K PIC from generic Solaris 2 ASM_SPEC: the native assembler 46325322Sgordon gives many warnings: R_386_32 relocation is used for symbol ".text". */ 47325322Sgordon#undef ASM_SPEC 48325322Sgordon#define ASM_SPEC "\ 49325322Sgordon%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \ 50325322Sgordon%(asm_cpu) \ 51325322Sgordon" 52325322Sgordon 53325322Sgordon#define ASM_CPU_SPEC "" 54325322Sgordon 55325322Sgordon#undef SUBTARGET_EXTRA_SPECS 56325322Sgordon#define SUBTARGET_EXTRA_SPECS \ 57325322Sgordon { "cpp_subtarget", CPP_SUBTARGET_SPEC }, \ 58325322Sgordon { "asm_cpu", ASM_CPU_SPEC }, \ 59325322Sgordon { "startfile_arch", STARTFILE_ARCH_SPEC }, \ 60325322Sgordon { "link_arch", LINK_ARCH_SPEC } 61325322Sgordon 62325322Sgordon#undef LOCAL_LABEL_PREFIX 63325322Sgordon#define LOCAL_LABEL_PREFIX "." 64325322Sgordon 65325322Sgordon/* The Solaris assembler does not support .quad. Do not use it. */ 66325322Sgordon#undef ASM_QUAD 67325322Sgordon