Add hppa support. Index: gcc/config/pa/openbsd.h --- gcc/config/pa/openbsd.h.orig +++ gcc/config/pa/openbsd.h @@ -0,0 +1,194 @@ +/* Configuration file for an hppa risc OpenBSD target. + + Copyright (C) 1999 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. */ + + +#define OBSD_HAS_DECLARE_FUNCTION_NAME +#define OBSD_HAS_DECLARE_FUNCTION_SIZE +#define OBSD_HAS_DECLARE_OBJECT + +/* Turn off various SOM crap we don't want. */ +#undef TARGET_ELF32 +#define TARGET_ELF32 1 + +#undef MAX_OFILE_ALIGNMENT +#define MAX_OFILE_ALIGNMENT 0x8000 + +/* Run-time target specifications. */ +#undef TARGET_OS_CPP_BUILTINS +#define TARGET_OS_CPP_BUILTINS() \ + do \ + { \ + OPENBSD_OS_CPP_BUILTINS_ELF(); \ + } \ + while (0) + +/* We don't use profile counters. */ +#define NO_DEFERRED_PROFILE_COUNTERS 1 + +/* 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. */ + +#undef STRING_ASM_OP +#define STRING_ASM_OP "\t.stringz\t" + +#define TEXT_SECTION_ASM_OP "\t.text" +#define DATA_SECTION_ASM_OP "\t.data" +#define BSS_SECTION_ASM_OP "\t.section\t.bss" + +/* We want local labels to start with period if made with asm_fprintf. */ +#undef LOCAL_LABEL_PREFIX +#define LOCAL_LABEL_PREFIX "." + +/* Define these to generate the Linux/ELF/SysV style of internal + labels all the time - i.e. to be compatible with + ASM_GENERATE_INTERNAL_LABEL in . Compare these with the + ones in pa.h and note the lack of dollar signs in these. FIXME: + shouldn't we fix pa.h to use ASM_GENERATE_INTERNAL_LABEL instead? */ + +#undef ASM_OUTPUT_ADDR_VEC_ELT +#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ + if (TARGET_BIG_SWITCH) \ + fprintf (FILE, "\t.word .L%d\n", VALUE); \ + else \ + fprintf (FILE, "\tb .L%d\n\tnop\n", VALUE) + +#undef ASM_OUTPUT_ADDR_DIFF_ELT +#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \ + if (TARGET_BIG_SWITCH) \ + fprintf (FILE, "\t.word .L%d-.L%d\n", VALUE, REL); \ + else \ + fprintf (FILE, "\tb .L%d\n\tnop\n", VALUE) + +/* Use the default. */ +#undef ASM_OUTPUT_LABEL + +/* NOTE: (*targetm.asm_out.internal_label)() is defined for us by elfos.h, and + does what we want (i.e. uses colons). It must be compatible with + ASM_GENERATE_INTERNAL_LABEL(), so do not define it here. */ + +/* Use the default. */ +#undef ASM_OUTPUT_INTERNAL_LABEL + +/* Use the default. */ +#undef TARGET_ASM_GLOBALIZE_LABEL + +/* FIXME: Hacked from the one so that we avoid multiple + labels in a function declaration (since pa.c seems determined to do + it differently) */ + +#undef ASM_DECLARE_FUNCTION_NAME +#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ + do \ + { \ + ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \ + ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \ + } \ + while (0) + +/* As well as globalizing the label, we need to encode the label + to ensure a plabel is generated in an indirect call. */ + +#undef ASM_OUTPUT_EXTERNAL_LIBCALL +#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \ + do \ + { \ + if (!FUNCTION_NAME_P (XSTR (FUN, 0))) \ + hppa_encode_label (FUN); \ + (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0)); \ + } \ + while (0) + +/* OpenBSD always uses gas. */ +#undef TARGET_GAS +#define TARGET_GAS 1 + +/* XXX OpenBSD/hppa has a non-standard .comm */ + +#undef ASM_OUTPUT_ALIGNED_COMMON +#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \ + do \ + { \ + switch_to_section (bss_section); \ + assemble_name((FILE), (NAME)); \ + fprintf((FILE), "\t.align %d\n", ((ALIGN) / BITS_PER_UNIT)); \ + fprintf ((FILE), "\t.comm %d\n", \ + MAX ((SIZE), ((ALIGN) / BITS_PER_UNIT))); \ + } \ + while (0) + +#undef ASM_OUTPUT_ALIGNED_LOCAL +#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ + do \ + { \ + switch_to_section (bss_section); \ + fprintf((FILE), "\t.align %d\n", ((ALIGN) / BITS_PER_UNIT)); \ + assemble_name((FILE), (NAME)); \ + fprintf ((FILE), "\t.block %d\n", (SIZE)); \ + } \ + while (0) + +#undef TARGET_SCHED_DEFAULT +#define TARGET_SCHED_DEFAULT PROCESSOR_700 + +#undef LINK_SPEC +#define LINK_SPEC \ + "%{!shared:%{!nostdlib:%{!r*:%{!e*:-e __start}}}} \ + %{shared:-shared} %{R*} \ + %{static:-Bstatic} \ + %{!static:-Bdynamic} \ + %{rdynamic:-export-dynamic} \ + %{assert*} \ + %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.so}" + +/* Layout of source language data types. */ + +/* This must agree with */ +#undef SIZE_TYPE +#define SIZE_TYPE "long unsigned int" + +#undef PTRDIFF_TYPE +#define PTRDIFF_TYPE "long int" + +#undef INTMAX_TYPE +#define INTMAX_TYPE "long long int" + +#undef UINTMAX_TYPE +#define UINTMAX_TYPE "long long unsigned int" + +#undef WCHAR_TYPE +#define WCHAR_TYPE "int" + +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE 32 + +/* As an elf system, we need crtbegin/crtend stuff. */ +#undef STARTFILE_SPEC +#define STARTFILE_SPEC "\ + %{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} \ + %{!p:%{!static:crt0%O%s} %{static:%{nopie:crt0%O%s} \ + %{!nopie:rcrt0%O%s}}}} crtbegin%O%s} %{shared:crtbeginS%O%s}" +#undef ENDFILE_SPEC +#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}" + +#define OBSD_HAS_CORRECT_SPECS