201 lines
6.2 KiB
Text
201 lines
6.2 KiB
Text
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Add hppa support.
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Index: gcc/config/pa/openbsd.h
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--- gcc/config/pa/openbsd.h.orig
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+++ gcc/config/pa/openbsd.h
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@@ -0,0 +1,194 @@
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+/* Configuration file for an hppa risc OpenBSD target.
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+
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+ Copyright (C) 1999 Free Software Foundation, Inc.
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+
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+This file is part of GNU CC.
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+
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+GNU CC is free software; you can redistribute it and/or modify
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+it under the terms of the GNU General Public License as published by
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+the Free Software Foundation; either version 2, or (at your option)
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+any later version.
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+
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+GNU CC is distributed in the hope that it will be useful,
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+but WITHOUT ANY WARRANTY; without even the implied warranty of
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+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+GNU General Public License for more details.
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+
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+You should have received a copy of the GNU General Public License
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+along with GNU CC; see the file COPYING. If not, write to
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+the Free Software Foundation, 59 Temple Place - Suite 330,
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+Boston, MA 02111-1307, USA. */
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+
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+
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+#define OBSD_HAS_DECLARE_FUNCTION_NAME
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+#define OBSD_HAS_DECLARE_FUNCTION_SIZE
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+#define OBSD_HAS_DECLARE_OBJECT
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+
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+/* Turn off various SOM crap we don't want. */
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+#undef TARGET_ELF32
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+#define TARGET_ELF32 1
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+
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+#undef MAX_OFILE_ALIGNMENT
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+#define MAX_OFILE_ALIGNMENT 0x8000
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+
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+/* Run-time target specifications. */
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+#undef TARGET_OS_CPP_BUILTINS
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+#define TARGET_OS_CPP_BUILTINS() \
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+ do \
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+ { \
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+ OPENBSD_OS_CPP_BUILTINS_ELF(); \
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+ } \
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+ while (0)
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+
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+/* We don't use profile counters. */
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+#define NO_DEFERRED_PROFILE_COUNTERS 1
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+
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+/* Define the strings used for the special svr4 .type and .size directives.
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+ These strings generally do not vary from one system running svr4 to
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+ another, but if a given system (e.g. m88k running svr) needs to use
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+ different pseudo-op names for these, they may be overridden in the
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+ file which includes this one. */
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+
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+#undef STRING_ASM_OP
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+#define STRING_ASM_OP "\t.stringz\t"
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+
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+#define TEXT_SECTION_ASM_OP "\t.text"
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+#define DATA_SECTION_ASM_OP "\t.data"
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+#define BSS_SECTION_ASM_OP "\t.section\t.bss"
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+
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+/* We want local labels to start with period if made with asm_fprintf. */
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+#undef LOCAL_LABEL_PREFIX
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+#define LOCAL_LABEL_PREFIX "."
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+
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+/* Define these to generate the Linux/ELF/SysV style of internal
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+ labels all the time - i.e. to be compatible with
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+ ASM_GENERATE_INTERNAL_LABEL in <elfos.h>. Compare these with the
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+ ones in pa.h and note the lack of dollar signs in these. FIXME:
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+ shouldn't we fix pa.h to use ASM_GENERATE_INTERNAL_LABEL instead? */
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+
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+#undef ASM_OUTPUT_ADDR_VEC_ELT
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+#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
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+ if (TARGET_BIG_SWITCH) \
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+ fprintf (FILE, "\t.word .L%d\n", VALUE); \
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+ else \
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+ fprintf (FILE, "\tb .L%d\n\tnop\n", VALUE)
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+
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+#undef ASM_OUTPUT_ADDR_DIFF_ELT
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+#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
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+ if (TARGET_BIG_SWITCH) \
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+ fprintf (FILE, "\t.word .L%d-.L%d\n", VALUE, REL); \
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+ else \
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+ fprintf (FILE, "\tb .L%d\n\tnop\n", VALUE)
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+
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+/* Use the default. */
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+#undef ASM_OUTPUT_LABEL
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+
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+/* NOTE: (*targetm.asm_out.internal_label)() is defined for us by elfos.h, and
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+ does what we want (i.e. uses colons). It must be compatible with
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+ ASM_GENERATE_INTERNAL_LABEL(), so do not define it here. */
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+
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+/* Use the default. */
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+#undef ASM_OUTPUT_INTERNAL_LABEL
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+
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+/* Use the default. */
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+#undef TARGET_ASM_GLOBALIZE_LABEL
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+
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+/* FIXME: Hacked from the <elfos.h> one so that we avoid multiple
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+ labels in a function declaration (since pa.c seems determined to do
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+ it differently) */
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+
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+#undef ASM_DECLARE_FUNCTION_NAME
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+#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
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+ do \
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+ { \
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+ ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \
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+ ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
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+ } \
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+ while (0)
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+
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+/* As well as globalizing the label, we need to encode the label
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+ to ensure a plabel is generated in an indirect call. */
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+
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+#undef ASM_OUTPUT_EXTERNAL_LIBCALL
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+#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
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+ do \
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+ { \
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+ if (!FUNCTION_NAME_P (XSTR (FUN, 0))) \
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+ hppa_encode_label (FUN); \
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+ (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0)); \
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+ } \
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+ while (0)
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+
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+/* OpenBSD always uses gas. */
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+#undef TARGET_GAS
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+#define TARGET_GAS 1
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+
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+/* XXX OpenBSD/hppa has a non-standard .comm */
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+
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+#undef ASM_OUTPUT_ALIGNED_COMMON
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+#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
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+ do \
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+ { \
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+ switch_to_section (bss_section); \
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+ assemble_name((FILE), (NAME)); \
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+ fprintf((FILE), "\t.align %d\n", ((ALIGN) / BITS_PER_UNIT)); \
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+ fprintf ((FILE), "\t.comm %d\n", \
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+ MAX ((SIZE), ((ALIGN) / BITS_PER_UNIT))); \
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+ } \
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+ while (0)
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+
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+#undef ASM_OUTPUT_ALIGNED_LOCAL
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+#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
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+ do \
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+ { \
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+ switch_to_section (bss_section); \
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+ fprintf((FILE), "\t.align %d\n", ((ALIGN) / BITS_PER_UNIT)); \
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+ assemble_name((FILE), (NAME)); \
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+ fprintf ((FILE), "\t.block %d\n", (SIZE)); \
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+ } \
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+ while (0)
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+
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+#undef TARGET_SCHED_DEFAULT
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+#define TARGET_SCHED_DEFAULT PROCESSOR_700
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+
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+#undef LINK_SPEC
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+#define LINK_SPEC \
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+ "%{!shared:%{!nostdlib:%{!r*:%{!e*:-e __start}}}} \
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+ %{shared:-shared} %{R*} \
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+ %{static:-Bstatic} \
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+ %{!static:-Bdynamic} \
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+ %{rdynamic:-export-dynamic} \
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+ %{assert*} \
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+ %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.so}"
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+
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+/* Layout of source language data types. */
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+
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+/* This must agree with <machine/_types.h> */
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+#undef SIZE_TYPE
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+#define SIZE_TYPE "long unsigned int"
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+
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+#undef PTRDIFF_TYPE
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+#define PTRDIFF_TYPE "long int"
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+
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+#undef INTMAX_TYPE
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+#define INTMAX_TYPE "long long int"
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+
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+#undef UINTMAX_TYPE
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+#define UINTMAX_TYPE "long long unsigned int"
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+
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+#undef WCHAR_TYPE
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+#define WCHAR_TYPE "int"
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+
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+#undef WCHAR_TYPE_SIZE
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+#define WCHAR_TYPE_SIZE 32
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+
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+/* As an elf system, we need crtbegin/crtend stuff. */
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+#undef STARTFILE_SPEC
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+#define STARTFILE_SPEC "\
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+ %{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} \
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+ %{!p:%{!static:crt0%O%s} %{static:%{nopie:crt0%O%s} \
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+ %{!nopie:rcrt0%O%s}}}} crtbegin%O%s} %{shared:crtbeginS%O%s}"
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+#undef ENDFILE_SPEC
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+#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
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+
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+#define OBSD_HAS_CORRECT_SPECS
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