/* Definitions of target machine for GNU compiler, for DEC Alpha w/ELF.
- Copyright (C) 1996 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
Contributed by Richard Henderson (rth@tamu.edu).
This file is part of GNU CC.
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-/* This is used on Alpha platforms that use the ELF format.
-Currently only Linux uses this. */
-
-#undef TARGET_VERSION
-#define TARGET_VERSION fprintf (stderr, " (Alpha Linux/ELF)");
-
#undef OBJECT_FORMAT_COFF
#undef EXTENDED_COFF
#define OBJECT_FORMAT_ELF
-#define SDB_DEBUGGING_INFO
+#define DBX_DEBUGGING_INFO
+#define DWARF2_DEBUGGING_INFO
+
+#undef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
#undef ASM_FINAL_SPEC
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "\
--D__alpha -D__alpha__ -D__linux__ -D__linux -D_LONGLONG -Dlinux -Dunix \
--Asystem(linux) -Acpu(alpha) -Amachine(alpha) -D__ELF__"
+#undef CC1_SPEC
+#define CC1_SPEC "%{G*}"
+
+#undef ASM_SPEC
+#define ASM_SPEC "%{G*} %{relax:-relax} %{!gstabs*:-no-mdebug}%{gstabs*:-mdebug}"
-#undef LINK_SPEC
-#define LINK_SPEC "-m elf64alpha -G 8 %{O*:-O3} %{!O*:-O1} \
+#undef LINK_SPEC
+#define LINK_SPEC "-m elf64alpha %{G*} %{relax:-relax} \
+ %{O*:-O3} %{!O*:-O1} \
%{shared:-shared} \
%{!shared: \
%{!static: \
%{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /lib/ld-gnu.so.1}} \
+ %{!dynamic-linker:-dynamic-linker %(elf_dynamic_linker)}} \
%{static:-static}}"
/* Output at beginning of assembler file. */
-
-#undef ASM_FILE_START
+#undef ASM_FILE_START
#define ASM_FILE_START(FILE) \
-{ \
- alpha_write_verstamp (FILE); \
- output_file_directive (FILE, main_input_filename); \
- fprintf (FILE, "\t.version\t\"01.01\"\n"); \
+do { \
+ if (write_symbols == DBX_DEBUG) \
+ { \
+ alpha_write_verstamp (FILE); \
+ output_file_directive (FILE, main_input_filename); \
+ } \
fprintf (FILE, "\t.set noat\n"); \
-}
-
-#define ASM_OUTPUT_SOURCE_LINE(STREAM, LINE) \
- alpha_output_lineno (STREAM, LINE)
-extern void alpha_output_lineno ();
-
-extern void output_file_directive ();
+ fprintf (FILE, "\t.set noreorder\n"); \
+ if (TARGET_BWX | TARGET_MAX | TARGET_FIX | TARGET_CIX) \
+ { \
+ fprintf (FILE, "\t.arch %s\n", \
+ (TARGET_CPU_EV6 ? "ev6" \
+ : TARGET_MAX ? "pca56" : "ev56")); \
+ } \
+} while (0)
/* Attach a special .ident directive to the end of the file to identify
the version of GCC which compiled this code. The format of the
.ident string is patterned after the ones produced by native svr4
C compilers. */
-#define IDENT_ASM_OP ".ident"
+#undef IDENT_ASM_OP
+#define IDENT_ASM_OP "\t.ident\t"
#ifdef IDENTIFY_WITH_IDENT
+#undef ASM_IDENTIFY_GCC
#define ASM_IDENTIFY_GCC(FILE) /* nothing */
+#undef ASM_IDENTIFY_LANGUAGE
#define ASM_IDENTIFY_LANGUAGE(FILE) \
- fprintf(FILE, "\t%s \"GCC (%s) %s\"\n", IDENT_ASM_OP, \
+ fprintf(FILE, "%s\"GCC (%s) %s\"\n", IDENT_ASM_OP, \
lang_identify(), version_string)
#else
+#undef ASM_FILE_END
#define ASM_FILE_END(FILE) \
do { \
- fprintf ((FILE), "\t%s\t\"GCC: (GNU) %s\"\n", \
- IDENT_ASM_OP, version_string); \
+ if (!flag_no_ident) \
+ fprintf ((FILE), "%s\"GCC: (GNU) %s\"\n", \
+ IDENT_ASM_OP, version_string); \
} while (0)
#endif
/* Allow #sccs in preprocessor. */
-
#define SCCS_DIRECTIVE
/* Output #ident as a .ident. */
-
+#undef ASM_OUTPUT_IDENT
#define ASM_OUTPUT_IDENT(FILE, NAME) \
- fprintf (FILE, "\t%s\t\"%s\"\n", IDENT_ASM_OP, NAME);
+ fprintf (FILE, "%s\"%s\"\n", IDENT_ASM_OP, NAME);
/* This is how to allocate empty space in some section. The .zero
pseudo-op is used for this on most svr4 assemblers. */
-#define SKIP_ASM_OP ".zero"
+#undef SKIP_ASM_OP
+#define SKIP_ASM_OP "\t.zero\t"
-#undef ASM_OUTPUT_SKIP
-#define ASM_OUTPUT_SKIP(FILE,SIZE) \
- fprintf (FILE, "\t%s\t%u\n", SKIP_ASM_OP, (SIZE))
+#undef ASM_OUTPUT_SKIP
+#define ASM_OUTPUT_SKIP(FILE, SIZE) \
+ fprintf (FILE, "%s%u\n", SKIP_ASM_OP, (SIZE))
/* Output the label which precedes a jumptable. Note that for all svr4
systems where we actually generate jumptables (which is to say every
make sure that the location counter for the .rodata section gets pro-
perly re-aligned prior to the actual beginning of the jump table. */
-#define ALIGN_ASM_OP ".align"
+#undef ALIGN_ASM_OP
+#define ALIGN_ASM_OP "\t.align\t"
#ifndef ASM_OUTPUT_BEFORE_CASE_LABEL
-#define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \
+#define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE, PREFIX, NUM, TABLE) \
ASM_OUTPUT_ALIGN ((FILE), 2);
#endif
-#undef ASM_OUTPUT_CASE_LABEL
-#define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,JUMPTABLE) \
+#undef ASM_OUTPUT_CASE_LABEL
+#define ASM_OUTPUT_CASE_LABEL(FILE, PREFIX, NUM, JUMPTABLE) \
do { \
ASM_OUTPUT_BEFORE_CASE_LABEL (FILE, PREFIX, NUM, JUMPTABLE) \
ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM); \
library routines (e.g. .udiv) be explicitly declared as .globl
in each assembly file where they are referenced. */
+#undef ASM_OUTPUT_EXTERNAL_LIBCALL
#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
ASM_GLOBALIZE_LABEL (FILE, XSTR (FUN, 0))
the linker seems to want the alignment of data objects
to depend on their types. We do exactly that here. */
-#define COMMON_ASM_OP ".comm"
+#undef COMMON_ASM_OP
+#define COMMON_ASM_OP "\t.comm\t"
-#undef ASM_OUTPUT_ALIGNED_COMMON
+#undef ASM_OUTPUT_ALIGNED_COMMON
#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
do { \
- fprintf ((FILE), "\t%s\t", COMMON_ASM_OP); \
+ fprintf ((FILE), "%s", COMMON_ASM_OP); \
assemble_name ((FILE), (NAME)); \
fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT); \
} while (0)
the linker seems to want the alignment of data objects
to depend on their types. We do exactly that here. */
-#define LOCAL_ASM_OP ".local"
-
-#undef ASM_OUTPUT_ALIGNED_LOCAL
+#undef ASM_OUTPUT_ALIGNED_LOCAL
#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
do { \
- fprintf ((FILE), "\t%s\t", LOCAL_ASM_OP); \
- assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), "\n"); \
- ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
+ if ((SIZE) <= g_switch_value) \
+ sbss_section(); \
+ else \
+ bss_section(); \
+ fprintf (FILE, "%s", TYPE_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ putc (',', FILE); \
+ fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
+ putc ('\n', FILE); \
+ if (!flag_inhibit_size_directive) \
+ { \
+ fprintf (FILE, "%s", SIZE_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, ",%d\n", (SIZE)); \
+ } \
+ ASM_OUTPUT_ALIGN ((FILE), exact_log2((ALIGN) / BITS_PER_UNIT)); \
+ ASM_OUTPUT_LABEL(FILE, NAME); \
+ ASM_OUTPUT_SKIP((FILE), (SIZE)); \
} while (0)
-/* This is the pseudo-op used to generate a 32-bit word of data with a
- specific value in some section. This is the same for all known svr4
- assemblers. */
+/* This is the pseudo-op used to generate a 64-bit word of data with a
+ specific value in some section. */
+
+#undef INT_ASM_OP
+#define INT_ASM_OP "\t.quad\t"
-#define INT_ASM_OP ".long"
+/* Biggest alignment supported by the object file format of this
+ machine. Use this macro to limit the alignment which can be
+ specified using the `__attribute__ ((aligned (N)))' construct. If
+ not defined, the default value is `BIGGEST_ALIGNMENT'.
+
+ This value is really 2^63. Since gcc figures the alignment in bits,
+ we could only potentially get to 2^60 on suitible hosts. Due to other
+ considerations in varasm, we must restrict this to what fits in an int. */
+
+#undef MAX_OFILE_ALIGNMENT
+#define MAX_OFILE_ALIGNMENT \
+ (1 << (HOST_BITS_PER_INT < 64 ? HOST_BITS_PER_INT - 2 : 62))
/* This is the pseudo-op used to generate a contiguous sequence of byte
values from a double-quoted string WITHOUT HAVING A TERMINATING NUL
AUTOMATICALLY APPENDED. This is the same for most svr4 assemblers. */
-#undef ASCII_DATA_ASM_OP
-#define ASCII_DATA_ASM_OP ".ascii"
+#undef ASCII_DATA_ASM_OP
+#define ASCII_DATA_ASM_OP "\t.ascii\t"
/* Support const sections and the ctors and dtors sections for g++.
Note that there appears to be two different ways to support const
EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION, and
SELECT_RTX_SECTION. We do both here just to be on the safe side. */
+#undef USE_CONST_SECTION
#define USE_CONST_SECTION 1
-#define CONST_SECTION_ASM_OP ".section\t.rodata"
+#undef CONST_SECTION_ASM_OP
+#define CONST_SECTION_ASM_OP "\t.section\t.rodata"
/* Define the pseudo-ops used to switch to the .ctors and .dtors sections.
errors unless the .ctors and .dtors sections are marked as writable
via the SHF_WRITE attribute.) */
-#define CTORS_SECTION_ASM_OP ".section\t.ctors,\"aw\""
-#define DTORS_SECTION_ASM_OP ".section\t.dtors,\"aw\""
+#undef CTORS_SECTION_ASM_OP
+#define CTORS_SECTION_ASM_OP "\t.section\t.ctors,\"aw\""
+#undef DTORS_SECTION_ASM_OP
+#define DTORS_SECTION_ASM_OP "\t.section\t.dtors,\"aw\""
+
+/* Handle the small data sections. */
+#undef BSS_SECTION_ASM_OP
+#define BSS_SECTION_ASM_OP "\t.section\t.bss"
+#undef SBSS_SECTION_ASM_OP
+#define SBSS_SECTION_ASM_OP "\t.section\t.sbss,\"aw\""
+#undef SDATA_SECTION_ASM_OP
+#define SDATA_SECTION_ASM_OP "\t.section\t.sdata,\"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
The definitions say how to change sections to the .init and .fini
sections. This is the same for all known svr4 assemblers. */
-#define INIT_SECTION_ASM_OP ".section\t.init"
-#define FINI_SECTION_ASM_OP ".section\t.fini"
+#undef INIT_SECTION_ASM_OP
+#define INIT_SECTION_ASM_OP "\t.section\t.init"
+#undef FINI_SECTION_ASM_OP
+#define FINI_SECTION_ASM_OP "\t.section\t.fini"
/* 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
+#undef EXTRA_SECTIONS
+#define EXTRA_SECTIONS in_const, in_ctors, in_dtors, in_sbss, in_sdata
/* 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
+#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS \
CONST_SECTION_FUNCTION \
- CTORS_SECTION_FUNCTION \
- DTORS_SECTION_FUNCTION
+ SECTION_FUNCTION_TEMPLATE(ctors_section, in_ctors, CTORS_SECTION_ASM_OP) \
+ SECTION_FUNCTION_TEMPLATE(dtors_section, in_dtors, DTORS_SECTION_ASM_OP) \
+ SECTION_FUNCTION_TEMPLATE(sbss_section, in_sbss, SBSS_SECTION_ASM_OP) \
+ SECTION_FUNCTION_TEMPLATE(sdata_section, in_sdata, SDATA_SECTION_ASM_OP)
-#undef READONLY_DATA_SECTION
-#define READONLY_DATA_SECTION() const_section ()
+extern void ctors_section PARAMS ((void));
+extern void dtors_section PARAMS ((void));
+extern void sbss_section PARAMS ((void));
+extern void sdata_section PARAMS ((void));
-extern void text_section ();
+#undef READONLY_DATA_SECTION
+#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; \
- } \
+#undef CONST_SECTION_FUNCTION
+#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; \
- } \
+#undef SECTION_FUNCTION_TEMPLATE
+#define SECTION_FUNCTION_TEMPLATE(FN, ENUM, OP) \
+void FN () \
+{ \
+ if (in_section != ENUM) \
+ { \
+ fprintf (asm_out_file, "%s\n", OP); \
+ in_section = ENUM; \
+ } \
}
-#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.
This is currently only used to support section attributes.
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. */
-#define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME) \
+#undef ASM_OUTPUT_SECTION_NAME
+#define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME, RELOC) \
fprintf (FILE, ".section\t%s,\"%s\",@progbits\n", NAME, \
(DECL) && TREE_CODE (DECL) == FUNCTION_DECL ? "ax" : \
- (DECL) && TREE_READONLY (DECL) ? "a" : "aw")
+ (DECL) && DECL_READONLY_SECTION (DECL, RELOC) ? "a" : "aw")
/* A C statement (sans semicolon) to output an element in the table of
global constructors. */
-#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
+#undef ASM_OUTPUT_CONSTRUCTOR
+#define ASM_OUTPUT_CONSTRUCTOR(FILE, NAME) \
do { \
ctors_section (); \
- fprintf (FILE, "\t%s\t ", INT_ASM_OP); \
+ fprintf (FILE, "%s", 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) \
+#undef ASM_OUTPUT_DESTRUCTOR
+#define ASM_OUTPUT_DESTRUCTOR(FILE, NAME) \
do { \
dtors_section (); \
- fprintf (FILE, "\t%s\t ", INT_ASM_OP); \
+ fprintf (FILE, "%s", INT_ASM_OP); \
assemble_name (FILE, NAME); \
fprintf (FILE, "\n"); \
} while (0)
or a constant of some sort. RELOC indicates whether forming
the initial value of DECL requires link-time relocations. */
-#define SELECT_SECTION(DECL,RELOC) \
+#undef SELECT_SECTION
+#define SELECT_SECTION(DECL, RELOC) \
{ \
if (TREE_CODE (DECL) == STRING_CST) \
{ \
else if (TREE_CODE (DECL) == VAR_DECL) \
{ \
if ((flag_pic && RELOC) \
- || !TREE_READONLY (DECL) || TREE_SIDE_EFFECTS (DECL) \
- || !DECL_INITIAL (DECL) \
+ || ! TREE_READONLY (DECL) || TREE_SIDE_EFFECTS (DECL) \
+ || ! DECL_INITIAL (DECL) \
|| (DECL_INITIAL (DECL) != error_mark_node \
&& !TREE_CONSTANT (DECL_INITIAL (DECL)))) \
- data_section (); \
+ { \
+ int size = int_size_in_bytes (TREE_TYPE (DECL)); \
+ if (size >= 0 && size <= g_switch_value) \
+ sdata_section (); \
+ else \
+ data_section (); \
+ } \
+ else \
+ const_section (); \
+ } \
+ else if (TREE_CODE (DECL) == CONSTRUCTOR) \
+ { \
+ if ((flag_pic && RELOC) \
+ || ! TREE_READONLY (DECL) || TREE_SIDE_EFFECTS (DECL) \
+ || ! TREE_CONSTANT (DECL)) \
+ { \
+ int size = int_size_in_bytes (TREE_TYPE (DECL)); \
+ if (size >= 0 && size <= g_switch_value) \
+ sdata_section (); \
+ else \
+ data_section (); \
+ } \
else \
const_section (); \
} \
in the case of a `const_int' rtx. Currently, these always
go into the const section. */
-#undef SELECT_RTX_SECTION
-#define SELECT_RTX_SECTION(MODE,RTX) const_section()
+#undef SELECT_RTX_SECTION
+#define SELECT_RTX_SECTION(MODE, RTX) \
+ const_section()
/* Define the strings used for the special svr4 .type and .size directives.
These strings generally do not vary from one system running svr4 to
different pseudo-op names for these, they may be overridden in the
file which includes this one. */
-#define TYPE_ASM_OP ".type"
-#define SIZE_ASM_OP ".size"
+#undef TYPE_ASM_OP
+#define TYPE_ASM_OP "\t.type\t"
+#undef SIZE_ASM_OP
+#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) \
+#undef ASM_WEAKEN_LABEL
+#define ASM_WEAKEN_LABEL(FILE, NAME) \
do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
fputc ('\n', FILE); } while (0)
/* This is how we tell the assembler that two symbols have the same value. */
-#define ASM_OUTPUT_DEF(FILE,NAME1,NAME2) \
+#undef ASM_OUTPUT_DEF
+#define ASM_OUTPUT_DEF(FILE, NAME1, NAME2) \
do { assemble_name(FILE, NAME1); \
fputs(" = ", FILE); \
assemble_name(FILE, NAME2); \
is just a default. You may need to override it in your machine-
specific tm.h file (depending upon the particulars of your assembler). */
+#undef TYPE_OPERAND_FMT
#define TYPE_OPERAND_FMT "@%s"
/* Write the extra assembler code needed to declare a function's result.
/* Write the extra assembler code needed to declare an object properly. */
-#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
- do { \
- fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
- assemble_name (FILE, NAME); \
- putc (',', FILE); \
- fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
- putc ('\n', FILE); \
- size_directive_output = 0; \
- if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \
- { \
- size_directive_output = 1; \
- fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
- assemble_name (FILE, NAME); \
- fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \
- } \
- ASM_OUTPUT_LABEL(FILE, NAME); \
+#undef ASM_DECLARE_OBJECT_NAME
+#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
+ do { \
+ HOST_WIDE_INT size; \
+ fprintf (FILE, "%s", TYPE_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ putc (',', FILE); \
+ fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
+ putc ('\n', FILE); \
+ size_directive_output = 0; \
+ if (!flag_inhibit_size_directive \
+ && DECL_SIZE (DECL) \
+ && (size = int_size_in_bytes (TREE_TYPE (DECL))) > 0) \
+ { \
+ size_directive_output = 1; \
+ fprintf (FILE, "%s", SIZE_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ fputc (',', FILE); \
+ fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, size); \
+ fputc ('\n', FILE); \
+ } \
+ ASM_OUTPUT_LABEL(FILE, NAME); \
} while (0)
/* Output the size directive for a decl in rest_of_decl_compilation
size_directive_output was set
by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */
-#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \
-do { \
- char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \
- if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \
- && ! AT_END && TOP_LEVEL \
- && DECL_INITIAL (DECL) == error_mark_node \
- && !size_directive_output) \
- { \
- size_directive_output = 1; \
- fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
- assemble_name (FILE, name); \
- fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \
- } \
- } while (0)
+#undef ASM_FINISH_DECLARE_OBJECT
+#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \
+ do { \
+ const char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \
+ HOST_WIDE_INT size; \
+ if (!flag_inhibit_size_directive \
+ && DECL_SIZE (DECL) \
+ && ! AT_END && TOP_LEVEL \
+ && DECL_INITIAL (DECL) == error_mark_node \
+ && !size_directive_output \
+ && (size = int_size_in_bytes (TREE_TYPE (DECL))) > 0) \
+ { \
+ size_directive_output = 1; \
+ fprintf (FILE, "%s", SIZE_ASM_OP); \
+ assemble_name (FILE, name); \
+ fputc (',', FILE); \
+ fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, size); \
+ fputc ('\n', FILE); \
+ } \
+ } while (0)
/* A table of bytes codes used by the ASM_OUTPUT_ASCII and
ASM_OUTPUT_LIMITED_STRING macros. Each byte in the table
the i386) don't know about that. Also, we don't use \v
since some versions of gas, such as 2.2 did not accept it. */
+#undef ESCAPES
#define ESCAPES \
"\1\1\1\1\1\1\1\1btn\1fr\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
\0\0\"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\
escape sequence like \377 would count as four bytes.
If your target assembler doesn't support the .string directive, you
- should define this to zero.
-*/
+ should define this to zero. */
+#undef STRING_LIMIT
#define STRING_LIMIT ((unsigned) 256)
+#undef STRING_ASM_OP
+#define STRING_ASM_OP "\t.string\t"
-#define STRING_ASM_OP ".string"
-
-/*
- * We always use gas here, so we don't worry about ECOFF assembler problems.
- */
-#undef TARGET_GAS
+/* GAS is the only Alpha/ELF assembler. */
+#undef TARGET_GAS
#define TARGET_GAS (1)
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+/* Provide a STARTFILE_SPEC appropriate for ELF. Here we add the
+ (even more) magical crtbegin.o file which provides part of the
+ support for getting C++ file-scope static object constructed
+ before entering `main'.
-/* Provide a STARTFILE_SPEC appropriate for Linux. Here we add
- the Linux magical crtbegin.o file (see crtstuff.c) which
- provides part of the support for getting C++ file-scope static
- object constructed before entering `main'. */
+ Don't bother seeing crtstuff.c -- there is absolutely no hope
+ of getting that file to understand multiple GPs. We provide a
+ hand-coded assembly version. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
"%{!shared: \
%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
- crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
+ crti.o%s %{shared:crtbeginS.o%s}%{!shared:crtbegin.o%s}"
-/* Provide a ENDFILE_SPEC appropriate for Linux. Here we tack on
- the Linux magical crtend.o file (see crtstuff.c) which
- provides part of the support for getting C++ file-scope static
- object constructed before entering `main', followed by a normal
- Linux "finalizer" file, `crtn.o'. */
+/* Provide a ENDFILE_SPEC appropriate for ELF. Here we tack on the
+ magical crtend.o file which provides part of the support for
+ getting C++ file-scope static object constructed before entering
+ `main', followed by a normal ELF "finalizer" file, `crtn.o'. */
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
- "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
+ "%{shared:crtendS.o%s}%{!shared:crtend.o%s} crtn.o%s"
+
+/* We support #pragma. */
+#define HANDLE_SYSV_PRAGMA
+
+/* Undo the auto-alignment stuff from alpha.h. ELF has unaligned data
+ pseudos natively. */
+#undef UNALIGNED_SHORT_ASM_OP
+#undef UNALIGNED_INT_ASM_OP
+#undef UNALIGNED_DOUBLE_INT_ASM_OP
OSDN Git Service
