--- /dev/null
+/* Definitions of target machine for GNU compiler, for HPs running
+ HPUX using the 64bit runtime model.
+ Copyright (C) 1999, 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. */
+
+/* We can debug dynamically linked executables on hpux11; we also
+ want dereferencing of a NULL pointer to cause a SEGV. */
+#undef LINK_SPEC
+#define LINK_SPEC \
+ "-E %{mlinker-opt:-O} %{!shared:-u main} %{static:-a archive} %{shared:-shared}"
+
+/* Like the default, except no -lg. */
+#undef LIB_SPEC
+#define LIB_SPEC \
+ "%{!shared:\
+ %{!p:\
+ %{!pg:\
+ %{!threads:-lc}\
+ %{threads:-lcma -lc_r}}\
+ %{p: -L/lib/libp/ -lc}\
+ %{pg: -L/lib/libp/ -lc}}} /usr/lib/pa20_64/milli.a"
+
+/* Under hpux11, the normal location of the `ld' and `as' programs is the
+ /usr/ccs/bin directory. */
+
+#ifndef CROSS_COMPILE
+#undef MD_EXEC_PREFIX
+#define MD_EXEC_PREFIX "/opt/langtools/bin"
+#endif
+
+/* Under hpux11 the normal location of the various *crt*.o files is the
+ /usr/ccs/lib directory. */
+
+#ifndef CROSS_COMPILE
+#undef MD_STARTFILE_PREFIX
+#define MD_STARTFILE_PREFIX "/opt/langtools/lib/pa20_64/"
+#endif
+
+/* hpux11 has the new HP assembler. It's still lousy, but it's a whole lot
+ better than the assembler shipped with older versions of hpux. */
+#undef NEW_HP_ASSEMBLER
+#define NEW_HP_ASSEMBLER 1
+
+#undef ASM_FILE_START
+#define ASM_FILE_START(FILE) \
+do { \
+ if (TARGET_64BIT) \
+ fputs("\t.LEVEL 2.0w\n", FILE); \
+ else if (TARGET_PA_20) \
+ fputs("\t.LEVEL 2.0\n", FILE); \
+ else if (TARGET_PA_11) \
+ fputs("\t.LEVEL 1.1\n", FILE); \
+ else \
+ fputs("\t.LEVEL 1.0\n", FILE); \
+ if (profile_flag)\
+ fprintf (FILE, "\t.IMPORT _mcount, CODE\n");\
+ if (write_symbols != NO_DEBUG) \
+ output_file_directive ((FILE), main_input_filename); \
+ } while (0)
+
+/* It looks like DWARF2 will be the easiest debug format to handle on this
+ platform. */
+#define OBJECT_FORMAT_ELF
+#define DWARF2_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+/* This isn't quite ready yet. I'm seeing it mess up some line
+ tables. For example, we're getting lines starting/ending at
+ impossible addresses. */
+#define DWARF2_ASM_LINE_DEBUG_INFO 1
+
+
+/* The rest of this file is copied from the generic svr4.h. One day we
+ would like to simply include svr4.h instead of copying all these
+ definitions. */
+
+/* Support const sections and the ctors and dtors sections for g++.
+ Note that there appears to be two different ways to support const
+ sections at the moment. You can either #define the symbol
+ READONLY_DATA_SECTION (giving it some code which switches to the
+ readonly data section) or else you can #define the symbols
+ EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION, and
+ SELECT_RTX_SECTION. We do both here just to be on the safe side. */
+
+#define USE_CONST_SECTION 1
+
+#define CONST_SECTION_ASM_OP "\t.section\t.rodata"
+
+/* Define the pseudo-ops used to switch to the .ctors and .dtors sections.
+
+ Note that we want to give these sections the SHF_WRITE attribute
+ because these sections will actually contain data (i.e. tables of
+ addresses of functions in the current root executable or shared library
+ file) and, in the case of a shared library, the relocatable addresses
+ will have to be properly resolved/relocated (and then written into) by
+ the dynamic linker when it actually attaches the given shared library
+ to the executing process. (Note that on SVR4, you may wish to use the
+ `-z text' option to the ELF linker, when building a shared library, as
+ an additional check that you are doing everything right. But if you do
+ use the `-z text' option when building a shared library, you will get
+ errors unless the .ctors and .dtors sections are marked as writable
+ via the SHF_WRITE attribute.) */
+
+#define CTORS_SECTION_ASM_OP "\t.section\t.ctors,\"aw\""
+#define DTORS_SECTION_ASM_OP "\t.section\t.dtors,\"aw\""
+
+/* On svr4, we *do* have support for the .init and .fini sections, and we
+ can put stuff in there to be executed before and after `main'. We let
+ crtstuff.c and other files know this by defining the following symbols.
+ The definitions say how to change sections to the .init and .fini
+ sections. This is the same for all known svr4 assemblers. */
+
+/* ??? For the time being, we aren't using init sections. */
+#if 0
+#define INIT_SECTION_ASM_OP "\t.section\t.init"
+#define FINI_SECTION_ASM_OP "\t.section\t.fini"
+#endif
+
+/* A default list of other sections which we might be "in" at any given
+ time. For targets that use additional sections (e.g. .tdesc) you
+ should override this definition in the target-specific file which
+ includes this file. */
+
+#undef EXTRA_SECTIONS
+#define EXTRA_SECTIONS in_const, in_ctors, in_dtors
+
+/* A default list of extra section function definitions. For targets
+ that use additional sections (e.g. .tdesc) you should override this
+ definition in the target-specific file which includes this file. */
+
+#undef EXTRA_SECTION_FUNCTIONS
+#define EXTRA_SECTION_FUNCTIONS \
+ CONST_SECTION_FUNCTION \
+ CTORS_SECTION_FUNCTION \
+ DTORS_SECTION_FUNCTION
+
+#define READONLY_DATA_SECTION() const_section ()
+
+#define CONST_SECTION_FUNCTION \
+void \
+const_section () \
+{ \
+ if (!USE_CONST_SECTION) \
+ text_section(); \
+ else if (in_section != in_const) \
+ { \
+ fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP); \
+ in_section = in_const; \
+ } \
+}
+
+#define CTORS_SECTION_FUNCTION \
+void \
+ctors_section () \
+{ \
+ if (in_section != in_ctors) \
+ { \
+ fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \
+ in_section = in_ctors; \
+ } \
+}
+
+#define DTORS_SECTION_FUNCTION \
+void \
+dtors_section () \
+{ \
+ if (in_section != in_dtors) \
+ { \
+ fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \
+ in_section = in_dtors; \
+ } \
+}
+
+/* Switch into a generic section.
+
+ We make the section read-only and executable for a function decl,
+ read-only for a const data decl, and writable for a non-const data decl.
+
+ If the section has already been defined, we must not
+ emit the attributes here. The SVR4 assembler does not
+ recognize section redefinitions.
+ If DECL is NULL, no attributes are emitted. */
+
+#define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME, RELOC) \
+ do \
+ { \
+ static htab_t htab; \
+ \
+ struct section_info \
+ { \
+ enum sect_enum {SECT_RW, SECT_RO, SECT_EXEC} type; \
+ }; \
+ \
+ struct section_info *s; \
+ const char *mode; \
+ enum sect_enum type; \
+ PTR* slot; \
+ \
+ /* The names we put in the hashtable will always be the unique \
+ versions gived to us by the stringtable, so we can just use \
+ their addresses as the keys. */ \
+ if (!htab) \
+ htab = htab_create (31, \
+ htab_hash_pointer, \
+ htab_eq_pointer, \
+ NULL); \
+ \
+ if (DECL && TREE_CODE (DECL) == FUNCTION_DECL) \
+ type = SECT_EXEC, mode = "ax"; \
+ else if (DECL && DECL_READONLY_SECTION (DECL, RELOC)) \
+ type = SECT_RO, mode = "a"; \
+ else \
+ type = SECT_RW, mode = "aw"; \
+ \
+ \
+ /* See if we already have an entry for this section. */ \
+ slot = htab_find_slot (htab, NAME, INSERT); \
+ if (!*slot) \
+ { \
+ s = (struct section_info *) xmalloc (sizeof (* s)); \
+ s->type = type; \
+ *slot = s; \
+ fprintf (FILE, "\t.section\t%s,\"%s\",@progbits\n", \
+ NAME, mode); \
+ } \
+ else \
+ { \
+ s = (struct section_info *) *slot; \
+ if (DECL && s->type != type) \
+ error_with_decl (DECL, \
+ "%s causes a section type conflict"); \
+ \
+ fprintf (FILE, "\t.section\t%s\n", NAME); \
+ } \
+ } \
+ while (0)
+
+#define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
+#define UNIQUE_SECTION_P(DECL) (DECL_ONE_ONLY (DECL))
+#define UNIQUE_SECTION(DECL,RELOC) \
+do { \
+ int len; \
+ char *name, *string, *prefix; \
+ \
+ name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
+ \
+ if (! DECL_ONE_ONLY (DECL)) \
+ { \
+ prefix = "."; \
+ if (TREE_CODE (DECL) == FUNCTION_DECL) \
+ prefix = ".text."; \
+ else if (DECL_READONLY_SECTION (DECL, RELOC)) \
+ prefix = ".rodata."; \
+ else \
+ prefix = ".data."; \
+ } \
+ else if (TREE_CODE (DECL) == FUNCTION_DECL) \
+ prefix = ".gnu.linkonce.t."; \
+ else if (DECL_READONLY_SECTION (DECL, RELOC)) \
+ prefix = ".gnu.linkonce.r."; \
+ else \
+ prefix = ".gnu.linkonce.d."; \
+ \
+ len = strlen (name) + strlen (prefix); \
+ string = alloca (len + 1); \
+ sprintf (string, "%s%s", prefix, name); \
+ \
+ DECL_SECTION_NAME (DECL) = build_string (len, string); \
+} while (0)
+
+#define INT_ASM_OP "\t.dword\t"
+/* A C statement (sans semicolon) to output an element in the table of
+ global constructors. */
+#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
+ do { \
+ ctors_section (); \
+ fprintf (FILE, "%sP%%", INT_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, "\n"); \
+ } while (0)
+
+/* A C statement (sans semicolon) to output an element in the table of
+ global destructors. */
+#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
+ do { \
+ dtors_section (); \
+ fprintf (FILE, "%sP%%", INT_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, "\n"); \
+ } while (0)
+
+/* ??? For the time being, we aren't using .ctors/.dtors sections. */
+#undef ASM_OUTPUT_DESTRUCTOR
+#undef ASM_OUTPUT_CONSTRUCTOR
+
+/* 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. */
+
+#define TYPE_ASM_OP "\t.type\t"
+#define SIZE_ASM_OP "\t.size\t"
+
+/* This is how we tell the assembler that a symbol is weak. */
+
+#define ASM_WEAKEN_LABEL(FILE,NAME) \
+ do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
+ fputc ('\n', FILE); } while (0)
+
+/* The following macro defines the format used to output the second
+ operand of the .type assembler directive. Different svr4 assemblers
+ expect various different forms for this operand. The one given here
+ is just a default. You may need to override it in your machine-
+ specific tm.h file (depending upon the particulars of your assembler). */
+
+#define TYPE_OPERAND_FMT "@%s"
+
+/* Write the extra assembler code needed to declare a function's result.
+ Most svr4 assemblers don't require any special declaration of the
+ result value, but there are exceptions. */
+
+#ifndef ASM_DECLARE_RESULT
+#define ASM_DECLARE_RESULT(FILE, RESULT)
+#endif
--- /dev/null
+/* Definitions for PA_RISC with ELF format on 64-bit Linux
+ Copyright (C) 1999, 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. */
+
+#undef CPP_SPEC
+#define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{mhppa:-D__hppa__} %{posix:-D_POSIX_SOURCE} -D_PA_RISC2_0 -D__LP64__"
+
+#if 0 /* needs some work :-( */
+/* If defined, this macro specifies a table of register pairs used to
+ eliminate unneeded registers that point into the stack frame. */
+
+#define ELIMINABLE_REGS \
+{ \
+ {FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
+ {ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
+ {ARG_POINTER_REGNUM, FRAME_POINTER_REGNUM}, \
+}
+
+/* A C expression that returns non-zero if the compiler is allowed to try to
+ replace register number FROM with register number TO. The frame pointer
+ is automatically handled. */
+
+#define CAN_ELIMINATE(FROM, TO) 1
+
+/* This macro is similar to `INITIAL_FRAME_POINTER_OFFSET'. It
+ specifies the initial difference between the specified pair of
+ registers. This macro must be defined if `ELIMINABLE_REGS' is
+ defined. */
+#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
+ do \
+ { \
+ int fsize; \
+ \
+ fsize = compute_frame_size (get_frame_size (), 0); \
+ if ((TO) == FRAME_POINTER_REGNUM \
+ && (FROM) == ARG_POINTER_REGNUM) \
+ { \
+ (OFFSET) = -16; \
+ break; \
+ } \
+ \
+ if ((TO) != STACK_POINTER_REGNUM) \
+ abort (); \
+ \
+ switch (FROM) \
+ { \
+ case FRAME_POINTER_REGNUM: \
+ (OFFSET) = - fsize; \
+ break; \
+ \
+ case ARG_POINTER_REGNUM: \
+ (OFFSET) = - fsize - 16; \
+ break; \
+ \
+ default: \
+ abort (); \
+ } \
+ } while (0)
+#endif
projects / platform / upstream / linaro-gcc.git / commitdiff