Use the stock EGCS version of this.
This commit is contained in:
David E. O'Brien
parent
f23c668cbe
commit
a49a6042f2
@ -1,5 +1,5 @@
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/* Definitions of target machine for GNU compiler, for DEC Alpha w/ELF.
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Copyright (C) 1996 Free Software Foundation, Inc.
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Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
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Contributed by Richard Henderson (rth@tamu.edu).
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This file is part of GNU CC.
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@ -19,53 +19,51 @@ 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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/* This is used on Alpha platforms that use the ELF format.
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Currently only Linux uses this. */
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#if 0
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#include "alpha/linux.h"
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#endif
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#undef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (Alpha Linux/ELF)");
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/* $FreeBSD$ */
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#undef OBJECT_FORMAT_COFF
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#undef EXTENDED_COFF
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#define OBJECT_FORMAT_ELF
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#define SDB_DEBUGGING_INFO
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#define DBX_DEBUGGING_INFO
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#undef PREFERRED_DEBUGGING_TYPE
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#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
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#undef ASM_FINAL_SPEC
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES "\
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-D__alpha -D__alpha__ -D__linux__ -D__linux -D_LONGLONG -Dlinux -Dunix \
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-Asystem(linux) -Acpu(alpha) -Amachine(alpha) -D__ELF__"
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#undef CC1_SPEC
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#define CC1_SPEC "%{G*}"
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#undef ASM_SPEC
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#define ASM_SPEC "%{G*} %{relax:-relax}"
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#undef LINK_SPEC
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#define LINK_SPEC "-m elf64alpha -G 8 %{O*:-O3} %{!O*:-O1} \
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#define LINK_SPEC "-m elf64alpha %{G*} %{relax:-relax} \
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%{O*:-O3} %{!O*:-O1} \
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%{shared:-shared} \
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%{!shared: \
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%{!static: \
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%{rdynamic:-export-dynamic} \
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%{!dynamic-linker:-dynamic-linker /lib/ld.so.1}} \
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%{!dynamic-linker:-dynamic-linker %(elf_dynamic_linker)}} \
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%{static:-static}}"
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/* Output at beginning of assembler file. */
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#undef ASM_FILE_START
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#define ASM_FILE_START(FILE) \
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{ \
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alpha_write_verstamp (FILE); \
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output_file_directive (FILE, main_input_filename); \
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fprintf (FILE, "\t.version\t\"01.01\"\n"); \
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fprintf (FILE, "\t.set noat\n"); \
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fprintf (FILE, "\t.set noreorder\n"); \
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if (TARGET_BWX | TARGET_MAX | TARGET_CIX) \
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{ \
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fprintf (FILE, "\t.arch %s\n", \
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(alpha_cpu == PROCESSOR_EV6 ? "ev6" \
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: TARGET_MAX ? "pca56" : "ev56")); \
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} \
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}
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#define ASM_OUTPUT_SOURCE_LINE(STREAM, LINE) \
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alpha_output_lineno (STREAM, LINE)
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extern void alpha_output_lineno ();
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extern void output_file_directive ();
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/* Attach a special .ident directive to the end of the file to identify
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@ -77,8 +75,8 @@ extern void output_file_directive ();
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#ifdef IDENTIFY_WITH_IDENT
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#define ASM_IDENTIFY_GCC(FILE) /* nothing */
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#define ASM_IDENTIFY_LANGUAGE(FILE) \
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fprintf(FILE, "\t%s \"GCC (%s) %s\"\n", IDENT_ASM_OP, \
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#define ASM_IDENTIFY_LANGUAGE(FILE) \
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fprintf(FILE, "\t%s \"GCC (%s) %s\"\n", IDENT_ASM_OP, \
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lang_identify(), version_string)
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#else
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#define ASM_FILE_END(FILE) \
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@ -89,11 +87,9 @@ do { \
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#endif
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/* Allow #sccs in preprocessor. */
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#define SCCS_DIRECTIVE
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/* Output #ident as a .ident. */
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#define ASM_OUTPUT_IDENT(FILE, NAME) \
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fprintf (FILE, "\t%s\t\"%s\"\n", IDENT_ASM_OP, NAME);
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@ -155,22 +151,46 @@ do { \
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the linker seems to want the alignment of data objects
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to depend on their types. We do exactly that here. */
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#define LOCAL_ASM_OP ".local"
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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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fprintf ((FILE), "\t%s\t", LOCAL_ASM_OP); \
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assemble_name ((FILE), (NAME)); \
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fprintf ((FILE), "\n"); \
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ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
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if ((SIZE) <= g_switch_value) \
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sbss_section(); \
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else \
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bss_section(); \
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fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
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assemble_name (FILE, NAME); \
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putc (',', FILE); \
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fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
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putc ('\n', FILE); \
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if (!flag_inhibit_size_directive) \
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{ \
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fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
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assemble_name (FILE, NAME); \
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fprintf (FILE, ",%d\n", (SIZE)); \
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} \
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ASM_OUTPUT_ALIGN ((FILE), exact_log2((ALIGN) / BITS_PER_UNIT)); \
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ASM_OUTPUT_LABEL(FILE, NAME); \
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ASM_OUTPUT_SKIP((FILE), (SIZE)); \
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} while (0)
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/* This is the pseudo-op used to generate a 64-bit word of data with a
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specific value in some section. */
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specific value in some section. */
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#define INT_ASM_OP ".quad"
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/* Biggest alignment supported by the object file format of this
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machine. Use this macro to limit the alignment which can be
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specified using the `__attribute__ ((aligned (N)))' construct. If
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not defined, the default value is `BIGGEST_ALIGNMENT'.
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This value is really 2^63. Since gcc figures the alignment in bits,
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we could only potentially get to 2^60 on suitible hosts. Due to other
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considerations in varasm, we must restrict this to what fits in an int. */
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#define MAX_OFILE_ALIGNMENT \
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(1 << (HOST_BITS_PER_INT < 64 ? HOST_BITS_PER_INT - 2 : 62))
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/* This is the pseudo-op used to generate a contiguous sequence of byte
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values from a double-quoted string WITHOUT HAVING A TERMINATING NUL
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AUTOMATICALLY APPENDED. This is the same for most svr4 assemblers. */
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@ -208,6 +228,11 @@ do { \
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#define CTORS_SECTION_ASM_OP ".section\t.ctors,\"aw\""
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#define DTORS_SECTION_ASM_OP ".section\t.dtors,\"aw\""
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/* Handle the small data sections. */
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#define BSS_SECTION_ASM_OP ".section\t.bss"
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#define SBSS_SECTION_ASM_OP ".section\t.sbss,\"aw\""
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#define SDATA_SECTION_ASM_OP ".section\t.sdata,\"aw\""
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/* On svr4, we *do* have support for the .init and .fini sections, and we
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can put stuff in there to be executed before and after `main'. We let
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crtstuff.c and other files know this by defining the following symbols.
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@ -217,17 +242,13 @@ do { \
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#define INIT_SECTION_ASM_OP ".section\t.init"
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#define FINI_SECTION_ASM_OP ".section\t.fini"
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/* Support non-common, uninitialized data in the .bss section. */
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#define BSS_SECTION_ASM_OP ".section\t.bss"
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/* A default list of other sections which we might be "in" at any given
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time. For targets that use additional sections (e.g. .tdesc) you
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should override this definition in the target-specific file which
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includes this file. */
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#undef EXTRA_SECTIONS
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#define EXTRA_SECTIONS in_const, in_ctors, in_dtors, in_bss
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#define EXTRA_SECTIONS in_const, in_ctors, in_dtors, in_sbss, in_sdata
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/* A default list of extra section function definitions. For targets
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that use additional sections (e.g. .tdesc) you should override this
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@ -236,9 +257,10 @@ do { \
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#undef EXTRA_SECTION_FUNCTIONS
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#define EXTRA_SECTION_FUNCTIONS \
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CONST_SECTION_FUNCTION \
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CTORS_SECTION_FUNCTION \
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DTORS_SECTION_FUNCTION \
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BSS_SECTION_FUNCTION
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SECTION_FUNCTION_TEMPLATE(ctors_section, in_ctors, CTORS_SECTION_ASM_OP) \
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SECTION_FUNCTION_TEMPLATE(dtors_section, in_dtors, DTORS_SECTION_ASM_OP) \
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SECTION_FUNCTION_TEMPLATE(sbss_section, in_sbss, SBSS_SECTION_ASM_OP) \
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SECTION_FUNCTION_TEMPLATE(sdata_section, in_sdata, SDATA_SECTION_ASM_OP)
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#undef READONLY_DATA_SECTION
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#define READONLY_DATA_SECTION() const_section ()
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@ -258,36 +280,13 @@ const_section () \
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} \
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}
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#define CTORS_SECTION_FUNCTION \
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void \
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ctors_section () \
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#define SECTION_FUNCTION_TEMPLATE(FN, ENUM, OP) \
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void FN () \
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{ \
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if (in_section != in_ctors) \
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if (in_section != ENUM) \
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{ \
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fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \
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in_section = in_ctors; \
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} \
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}
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#define DTORS_SECTION_FUNCTION \
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void \
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dtors_section () \
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{ \
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if (in_section != in_dtors) \
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{ \
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fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \
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in_section = in_dtors; \
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} \
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}
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#define BSS_SECTION_FUNCTION \
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void \
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bss_section () \
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{ \
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if (in_section != in_bss) \
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{ \
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fprintf (asm_out_file, "%s\n", BSS_SECTION_ASM_OP); \
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in_section = in_bss; \
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fprintf (asm_out_file, "%s\n", OP); \
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in_section = ENUM; \
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} \
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}
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@ -297,10 +296,10 @@ bss_section () \
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We make the section read-only and executable for a function decl,
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read-only for a const data decl, and writable for a non-const data decl. */
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#define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME) \
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#define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME, RELOC) \
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fprintf (FILE, ".section\t%s,\"%s\",@progbits\n", NAME, \
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(DECL) && TREE_CODE (DECL) == FUNCTION_DECL ? "ax" : \
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(DECL) && TREE_READONLY (DECL) ? "a" : "aw")
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(DECL) && DECL_READONLY_SECTION (DECL, RELOC) ? "a" : "aw")
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/* A C statement (sans semicolon) to output an element in the table of
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@ -344,11 +343,10 @@ bss_section () \
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|| !DECL_INITIAL (DECL) \
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|| (DECL_INITIAL (DECL) != error_mark_node \
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&& !TREE_CONSTANT (DECL_INITIAL (DECL)))) \
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{ \
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if (DECL_COMMON (DECL) \
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&& !DECL_INITIAL (DECL)) \
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/* || DECL_INITIAL (DECL) == error_mark_node)) */ \
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bss_section(); \
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{ \
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int size = int_size_in_bytes (TREE_TYPE (DECL)); \
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if (size >= 0 && size <= g_switch_value) \
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sdata_section (); \
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else \
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data_section (); \
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} \
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@ -486,39 +484,39 @@ do { \
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escape sequence like \377 would count as four bytes.
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If your target assembler doesn't support the .string directive, you
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should define this to zero.
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*/
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should define this to zero. */
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#define STRING_LIMIT ((unsigned) 256)
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#define STRING_ASM_OP ".string"
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/*
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* We always use gas here, so we don't worry about ECOFF assembler problems.
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*/
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/* GAS is the only Alpha/ELF assembler. */
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#undef TARGET_GAS
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#define TARGET_GAS (1)
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#undef PREFERRED_DEBUGGING_TYPE
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#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
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/* Provide a STARTFILE_SPEC appropriate for ELF. Here we add the
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(even more) magical crtbegin.o file which provides part of the
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support for getting C++ file-scope static object constructed before
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entering `main'.
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/* Provide a STARTFILE_SPEC appropriate for Linux. Here we add
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the Linux magical crtbegin.o file (see crtstuff.c) which
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provides part of the support for getting C++ file-scope static
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object constructed before entering `main'. */
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Don't bother seeing crtstuff.c -- there is absolutely no hope of
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getting that file to understand multiple GPs. GNU Libc provides a
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hand-coded version that is used on Linux; it could be copied here
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if there is ever a need. */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC \
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"%{!shared: \
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%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
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crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
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crti.o%s crtbegin.o%s"
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/* Provide a ENDFILE_SPEC appropriate for Linux. Here we tack on
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the Linux magical crtend.o file (see crtstuff.c) which
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provides part of the support for getting C++ file-scope static
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object constructed before entering `main', followed by a normal
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Linux "finalizer" file, `crtn.o'. */
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/* Provide a ENDFILE_SPEC appropriate for ELF. Here we tack on the
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magical crtend.o file which provides part of the support for
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getting C++ file-scope static object constructed before entering
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`main', followed by a normal ELF "finalizer" file, `crtn.o'. */
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC \
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"%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
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"crtend.o%s crtn.o%s"
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/* We support #pragma. */
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#define HANDLE_SYSV_PRAGMA
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