From a7e184fc5f6e000def7e85ba9719a8451196730a Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Fri, 13 Apr 2001 14:43:43 +0930 Subject: [PATCH] Add new files. From-SVN: r41323 --- gcc/config/pa/pa32-linux.h | 26 +++ gcc/config/pa/pa64-hpux.h | 340 +++++++++++++++++++++++++++++++++++++ gcc/config/pa/pa64-linux.h | 75 ++++++++ 3 files changed, 441 insertions(+) create mode 100644 gcc/config/pa/pa32-linux.h create mode 100644 gcc/config/pa/pa64-hpux.h create mode 100644 gcc/config/pa/pa64-linux.h diff --git a/gcc/config/pa/pa32-linux.h b/gcc/config/pa/pa32-linux.h new file mode 100644 index 00000000000..874321f80f7 --- /dev/null +++ b/gcc/config/pa/pa32-linux.h @@ -0,0 +1,26 @@ +/* Definitions for PA_RISC with ELF-32 format + Copyright (C) 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. */ + +/* Turn off various SOM crap we don't want. */ +#undef TARGET_ELF32 +#define TARGET_ELF32 1 + +#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_RISC1_1" diff --git a/gcc/config/pa/pa64-hpux.h b/gcc/config/pa/pa64-hpux.h new file mode 100644 index 00000000000..04bc25bad74 --- /dev/null +++ b/gcc/config/pa/pa64-hpux.h @@ -0,0 +1,340 @@ +/* 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 diff --git a/gcc/config/pa/pa64-linux.h b/gcc/config/pa/pa64-linux.h new file mode 100644 index 00000000000..e4abfe6a704 --- /dev/null +++ b/gcc/config/pa/pa64-linux.h @@ -0,0 +1,75 @@ +/* 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