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freebsd/contrib/gcc/config/i386/osfrose.h
David E. O'Brien 1952e2e1c1 Enlist the FreeBSD-CURRENT users as testers of what is to become Gcc 3.1.0. 
These bits are taken from the FSF anoncvs repo on 1-Feb-2002 08:20 PST.
2002-02-01 18:16:02 +00:00

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/* Definitions of target machine for GNU compiler.
Intel 386 (OSF/1 with OSF/rose) version.
Copyright (C) 1991, 1992, 1993, 1996, 1998, 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. */
#include "halfpic.h"
#include "i386/gstabs.h"
#define OSF_OS
#undef WORD_SWITCH_TAKES_ARG
#define WORD_SWITCH_TAKES_ARG(STR) \
(DEFAULT_WORD_SWITCH_TAKES_ARG (STR) || !strcmp (STR, "pic-names"))
/* This defines which switch letters take arguments. On svr4, most of
the normal cases (defined in gcc.c) apply, and we also have -h* and
-z* options (for the linker). */
#define SWITCH_TAKES_ARG(CHAR) \
(DEFAULT_SWITCH_TAKES_ARG(CHAR) \
|| (CHAR) == 'h' \
|| (CHAR) == 'z')
#define MASK_HALF_PIC 010000000000 /* Mask for half-pic code */
#define MASK_HALF_PIC_DEBUG 004000000000 /* Debug flag */
#define MASK_ELF 002000000000 /* ELF not rose */
#define MASK_NO_UNDERSCORES 000400000000 /* suppress leading _ */
#define MASK_LARGE_ALIGN 000200000000 /* align to >word boundaries */
#define MASK_NO_MCOUNT 000100000000 /* profiling uses mcount_ptr */
#define TARGET_HALF_PIC (target_flags & MASK_HALF_PIC)
#define TARGET_DEBUG (target_flags & MASK_HALF_PIC_DEBUG)
#define HALF_PIC_DEBUG TARGET_DEBUG
#define TARGET_ELF (target_flags & MASK_ELF)
#define TARGET_ROSE ((target_flags & MASK_ELF) == 0)
#define TARGET_UNDERSCORES ((target_flags & MASK_NO_UNDERSCORES) == 0)
#define TARGET_LARGE_ALIGN (target_flags & MASK_LARGE_ALIGN)
#define TARGET_MCOUNT ((target_flags & MASK_NO_MCOUNT) == 0)
#undef SUBTARGET_SWITCHES
#define SUBTARGET_SWITCHES \
{ "half-pic", MASK_HALF_PIC, \
N_("Emit half-PIC code") }, \
{ "no-half-pic", -MASK_HALF_PIC, "" }, \
{ "debug-half-pic", MASK_HALF_PIC_DEBUG, \
0 /* intentionally undoc */ }, \
{ "debugb", MASK_HALF_PIC_DEBUG, \
0 /* intentionally undoc */ }, \
{ "elf", MASK_ELF, \
N_("Emit ELF object code") }, \
{ "rose", -MASK_ELF, \
N_("Emit ROSE object code") }, \
{ "underscores", -MASK_NO_UNDERSCORES, \
N_("Symbols have a leading underscore") }, \
{ "no-underscores", MASK_NO_UNDERSCORES, "" }, \
{ "large-align", MASK_LARGE_ALIGN, \
N_("Align to >word boundaries") }, \
{ "no-large-align", -MASK_LARGE_ALIGN, "" }, \
{ "mcount", -MASK_NO_MCOUNT, \
N_("Use mcount for profiling") }, \
{ "mcount-ptr", MASK_NO_MCOUNT, \
N_("Use mcount_ptr for profiling") }, \
{ "no-mcount", MASK_NO_MCOUNT, "" },
/* OSF/rose uses stabs, not dwarf. */
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
#ifndef DWARF_DEBUGGING_INFO
#define DWARF_DEBUGGING_INFO /* enable dwarf debugging for testing */
#endif
/* Handle #pragma weak and #pragma pack. */
#define HANDLE_SYSV_PRAGMA
#define SUPPORTS_WEAK TARGET_ELF
/* Change default predefines. */
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-DOSF -DOSF1 -Dunix -Asystem=xpg4"
#undef CPP_SPEC
#define CPP_SPEC "%(cpp_cpu) \
%{!melf: -D__ROSE__ %{!pic-none: -D__SHARED__}} \
%{melf: -D__ELF__ %{fpic: -D__SHARED__}} \
%{mno-underscores: -D__NO_UNDERSCORES__} \
%{melf: %{!munderscores: -D__NO_UNDERSCORES__}} \
%{.S: %{!ansi:%{!traditional:%{!traditional-cpp:%{!ftraditional: -traditional}}}}} \
%{.S: -D__LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
%{.cc: -D__LANGUAGE_C_PLUS_PLUS} \
%{.cxx: -D__LANGUAGE_C_PLUS_PLUS} \
%{.C: -D__LANGUAGE_C_PLUS_PLUS} \
%{.m: -D__LANGUAGE_OBJECTIVE_C} \
%{!.S: -D__LANGUAGE_C %{!ansi:-DLANGUAGE_C}}"
/* Turn on -pic-extern by default for OSF/rose, -fpic for ELF. */
#undef CC1_SPEC
#define CC1_SPEC "%(cc1_cpu) \
%{gline:%{!g:%{!g0:%{!g1:%{!g2: -g1}}}}} \
%{!melf: %{!mrose: -mrose }} \
%{melf: %{!munderscores: %{!mno-underscores: -mno-underscores }} \
%{!mmcount: %{!mno-mcount: %{!mmcount-ptr: -mmcount-ptr }}}} \
%{!melf: %{!munderscores: %{!mno-underscores: -munderscores }} \
%{!mmcount: %{!mno-mcount: %{!mmcount-ptr: -mmcount }}} \
%{pic-extern: -mhalf-pic } %{pic-lib: -mhalf-pic } \
%{!pic-extern: %{!pic-lib: %{pic-none: -mno-half-pic} %{!pic-none: -mhalf-pic}}} \
%{pic-calls: } %{pic-names*: }}"
#undef ASM_SPEC
#define ASM_SPEC "%{v*: -v}"
#undef LINK_SPEC
#define LINK_SPEC "%{v*: -v} \
%{!melf: %{!noshrlib: %{pic-none: -noshrlib} %{!pic-none: -warn_nopic}} \
%{nostdlib} %{noshrlib} %{glue}} \
%{melf: %{dy} %{dn} %{glue: } \
%{h*} %{z*} \
%{static:-dn -Bstatic} \
%{shared:-G -dy} \
%{symbolic:-Bsymbolic -G -dy} \
%{G:-G} \
%{!dy: %{!dn: %{!static: %{!shared: %{!symbolic: \
%{noshrlib: -dn } %{pic-none: -dn } \
%{!noshrlib: %{!pic-none: -dy}}}}}}}}"
#undef LIB_SPEC
#define LIB_SPEC "-lc"
#undef LIBG_SPEC
#define LIBG_SPEC ""
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}"
#undef TARGET_VERSION_INTERNAL
#undef TARGET_VERSION
#define I386_VERSION " 80386, OSF/rose objects"
#define TARGET_VERSION_INTERNAL(STREAM) fputs (I386_VERSION, STREAM)
#define TARGET_VERSION TARGET_VERSION_INTERNAL (stderr)
#undef MD_EXEC_PREFIX
#define MD_EXEC_PREFIX "/usr/ccs/gcc/"
#undef MD_STARTFILE_PREFIX
#define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
/* Specify size_t, ptrdiff_t, and wchar_t types. */
#undef SIZE_TYPE
#undef PTRDIFF_TYPE
#undef WCHAR_TYPE
#undef WCHAR_TYPE_SIZE
#define SIZE_TYPE "long unsigned int"
#define PTRDIFF_TYPE "int"
#define WCHAR_TYPE "unsigned int"
#define WCHAR_TYPE_SIZE BITS_PER_WORD
/* Define this macro if the system header files support C++ as well
as C. This macro inhibits the usual method of using system header
files in C++, which is to pretend that the file's contents are
enclosed in `extern "C" {...}'. */
#define NO_IMPLICIT_EXTERN_C
/* Turn off long double being 96 bits. */
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE 64
#define OSF_PROFILE_BEFORE_PROLOGUE \
(!TARGET_MCOUNT \
&& !current_function_needs_context \
&& (!flag_pic \
|| !frame_pointer_needed \
|| (!current_function_uses_pic_offset_table \
&& !current_function_uses_const_pool)))
/* A C statement or compound statement to output to FILE some assembler code to
call the profiling subroutine `mcount'. Before calling, the assembler code
must load the address of a counter variable into a register where `mcount'
expects to find the address. The name of this variable is `LP' followed by
the number LABELNO, so you would generate the name using `LP%d' in a
`fprintf'.
The details of how the address should be passed to `mcount' are determined
by your operating system environment, not by GNU CC. To figure them out,
compile a small program for profiling using the system's installed C
compiler and look at the assembler code that results. */
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO) \
do \
{ \
if (!OSF_PROFILE_BEFORE_PROLOGUE) \
{ \
const char *const prefix = (TARGET_UNDERSCORES) ? "_" : ""; \
const char *const lprefix = LPREFIX; \
int labelno = LABELNO; \
\
/* Note that OSF/rose blew it in terms of calling mcount, \
since OSF/rose prepends a leading underscore, but mcount's \
doesn't. At present, we keep this kludge for ELF as well \
to allow old kernels to build profiling. */ \
\
if (flag_pic \
&& !current_function_uses_pic_offset_table \
&& !current_function_uses_const_pool) \
abort (); \
\
if (TARGET_MCOUNT && flag_pic) \
{ \
fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%edx\n", \
lprefix, labelno); \
fprintf (FILE, "\tcall *%smcount@GOT(%%ebx)\n", prefix); \
} \
\
else if (TARGET_MCOUNT && HALF_PIC_P ()) \
{ \
rtx symdef; \
\
HALF_PIC_EXTERNAL ("mcount"); \
symdef = HALF_PIC_PTR (gen_rtx_SYMBOL_REF (Pmode, "mcount")); \
fprintf (FILE, "\tmovl $%sP%d,%%edx\n", lprefix, labelno); \
fprintf (FILE, "\tcall *%s%s\n", prefix, XSTR (symdef, 0)); \
} \
\
else if (TARGET_MCOUNT) \
{ \
fprintf (FILE, "\tmovl $%sP%d,%%edx\n", lprefix, labelno); \
fprintf (FILE, "\tcall %smcount\n", prefix); \
} \
\
else if (flag_pic && frame_pointer_needed) \
{ \
fprintf (FILE, "\tmovl 4(%%ebp),%%ecx\n"); \
fprintf (FILE, "\tpushl %%ecx\n"); \
fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%edx\n", \
lprefix, labelno); \
fprintf (FILE, "\tmovl _mcount_ptr@GOT(%%ebx),%%eax\n"); \
fprintf (FILE, "\tcall *(%%eax)\n"); \
fprintf (FILE, "\tpopl %%eax\n"); \
} \
\
else if (frame_pointer_needed) \
{ \
fprintf (FILE, "\tmovl 4(%%ebp),%%ecx\n"); \
fprintf (FILE, "\tpushl %%ecx\n"); \
fprintf (FILE, "\tmovl $%sP%d,%%edx\n", lprefix, labelno); \
fprintf (FILE, "\tcall *_mcount_ptr\n"); \
fprintf (FILE, "\tpopl %%eax\n"); \
} \
\
else \
abort (); \
} \
} \
while (0)
/* A C function or functions which are needed in the library to
support block profiling. When support goes into libc, undo
the #if 0. */
#if 0
#undef BLOCK_PROFILING_CODE
#define BLOCK_PROFILING_CODE
#endif
/* Prefix for internally generated assembler labels. If we aren't using
underscores, we are using prefix `.'s to identify labels that should
be ignored, as in `i386/gas.h' --karl@cs.umb.edu */
#undef LPREFIX
#define LPREFIX ((TARGET_UNDERSCORES) ? "L" : ".L")
/* This is how to store into the string BUF
the symbol_ref name of an internal numbered label where
PREFIX is the class of label and NUM is the number within the class.
This is suitable for output with `assemble_name'. */
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
sprintf ((BUF), "*%s%s%ld", (TARGET_UNDERSCORES) ? "" : ".", \
(PREFIX), (long)(NUMBER))
/* This is how to output an internal numbered label where
PREFIX is the class of label and NUM is the number within the class. */
#undef ASM_OUTPUT_INTERNAL_LABEL
#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
fprintf (FILE, "%s%s%d:\n", (TARGET_UNDERSCORES) ? "" : ".", \
PREFIX, NUM)
/* The prefix to add to user-visible assembler symbols. */
/* target_flags is not accessible by the preprocessor */
#undef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX "_"
/* This is how to output a reference to a user-level label named NAME. */
#undef ASM_OUTPUT_LABELREF
#define ASM_OUTPUT_LABELREF(FILE,NAME) \
fprintf (FILE, "%s%s", (TARGET_UNDERSCORES) ? "_" : "", NAME)
/* This is how to output an element of a case-vector that is relative.
This is only used for PIC code. See comments by the `casesi' insn in
i386.md for an explanation of the expression this outputs. */
#undef ASM_OUTPUT_ADDR_DIFF_ELT
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
fprintf (FILE, "\t.long _GLOBAL_OFFSET_TABLE_+[.-%s%d]\n", LPREFIX, VALUE)
/* Output a definition */
#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
do \
{ \
fprintf ((FILE), "%s", SET_ASM_OP); \
assemble_name (FILE, LABEL1); \
fprintf (FILE, ","); \
assemble_name (FILE, LABEL2); \
fprintf (FILE, "\n"); \
} \
while (0)
/* A C expression to output text to align the location counter in the
way that is desirable at a point in the code that is reached only
by jumping.
This macro need not be defined if you don't want any special
alignment to be done at such a time. Most machine descriptions do
not currently define the macro. */
#undef LABEL_ALIGN_AFTER_BARRIER
#define LABEL_ALIGN_AFTER_BARRIER(LABEL) \
((!TARGET_LARGE_ALIGN && i386_align_jumps > 2) ? 2 : i386_align_jumps)
/* A C expression to output text to align the location counter in the
way that is desirable at the beginning of a loop.
This macro need not be defined if you don't want any special
alignment to be done at such a time. Most machine descriptions do
not currently define the macro. */
#undef LOOP_ALIGN
#define LOOP_ALIGN(LABEL) (i386_align_loops)
/* A C statement to output to the stdio stream STREAM an assembler
command to advance the location counter to a multiple of 2 to the
POWER bytes. POWER will be a C expression of type `int'. */
#undef ASM_OUTPUT_ALIGN
#define ASM_OUTPUT_ALIGN(STREAM, POWER) \
fprintf (STREAM, "\t.align\t%d\n", \
(!TARGET_LARGE_ALIGN && (POWER) > 2) ? 2 : (POWER))
/* A C expression that is 1 if the RTX X is a constant which is a
valid address. On most machines, this can be defined as
`CONSTANT_P (X)', but a few machines are more restrictive in
which constant addresses are supported.
`CONSTANT_P' accepts integer-values expressions whose values are
not explicitly known, such as `symbol_ref', `label_ref', and
`high' expressions and `const' arithmetic expressions, in
addition to `const_int' and `const_double' expressions. */
#define CONSTANT_ADDRESS_P_ORIG(X) \
(GET_CODE (X) == LABEL_REF || GET_CODE (X) == SYMBOL_REF \
|| GET_CODE (X) == CONST_INT || GET_CODE (X) == CONST \
|| GET_CODE (X) == HIGH)
#undef CONSTANT_ADDRESS_P
#define CONSTANT_ADDRESS_P(X) \
((CONSTANT_ADDRESS_P_ORIG (X)) && (!HALF_PIC_P () || !HALF_PIC_ADDRESS_P (X)))
/* Nonzero if the constant value X is a legitimate general operand.
It is given that X satisfies CONSTANT_P or is a CONST_DOUBLE. */
#undef LEGITIMATE_CONSTANT_P
#define LEGITIMATE_CONSTANT_P(X) \
(!HALF_PIC_P () \
|| GET_CODE (X) == CONST_DOUBLE \
|| GET_CODE (X) == CONST_INT \
|| !HALF_PIC_ADDRESS_P (X))
/* Sometimes certain combinations of command options do not make sense
on a particular target machine. You can define a macro
`OVERRIDE_OPTIONS' to take account of this. This macro, if
defined, is executed once just after all the command options have
been parsed. */
#undef SUBTARGET_OVERRIDE_OPTIONS
#define SUBTARGET_OVERRIDE_OPTIONS \
{ \
/* \
if (TARGET_ELF && TARGET_HALF_PIC) \
{ \
target_flags &= ~MASK_HALF_PIC; \
flag_pic = 1; \
} \
*/ \
\
if (TARGET_ROSE && flag_pic) \
{ \
target_flags |= MASK_HALF_PIC; \
flag_pic = 0; \
} \
\
if (TARGET_HALF_PIC) \
half_pic_init (); \
}
/* Define this macro if references to a symbol must be treated
differently depending on something about the variable or
function named by the symbol (such as what section it is in).
The macro definition, if any, is executed immediately after the
rtl for DECL has been created and stored in `DECL_RTL (DECL)'.
The value of the rtl will be a `mem' whose address is a
`symbol_ref'.
The usual thing for this macro to do is to a flag in the
`symbol_ref' (such as `SYMBOL_REF_FLAG') or to store a modified
name string in the `symbol_ref' (if one bit is not enough
information).
The best way to modify the name string is by adding text to the
beginning, with suitable punctuation to prevent any ambiguity.
Allocate the new name in `saveable_obstack'. You will have to
modify `ASM_OUTPUT_LABELREF' to remove and decode the added text
and output the name accordingly.
You can also check the information stored in the `symbol_ref' in
the definition of `GO_IF_LEGITIMATE_ADDRESS' or
`PRINT_OPERAND_ADDRESS'. */
#undef ENCODE_SECTION_INFO
#define ENCODE_SECTION_INFO(DECL) \
do \
{ \
if (HALF_PIC_P ()) \
HALF_PIC_ENCODE (DECL); \
\
else if (flag_pic) \
{ \
rtx rtl = (TREE_CODE_CLASS (TREE_CODE (DECL)) != 'd' \
? TREE_CST_RTL (DECL) : DECL_RTL (DECL)); \
SYMBOL_REF_FLAG (XEXP (rtl, 0)) \
= (TREE_CODE_CLASS (TREE_CODE (DECL)) != 'd' \
|| ! TREE_PUBLIC (DECL)); \
} \
} \
while (0)
/* On most machines, read-only variables, constants, and jump tables
are placed in the text section. If this is not the case on your
machine, this macro should be defined to be the name of a function
(either `data_section' or a function defined in `EXTRA_SECTIONS')
that switches to the section to be used for read-only items.
If these items should be placed in the text section, this macro
should not be defined. */
#if 0
#undef READONLY_DATA_SECTION
#define READONLY_DATA_SECTION() \
do \
{ \
if (TARGET_ELF) \
{ \
if (in_section != in_rodata) \
{ \
fprintf (asm_out_file, "\t.section \"rodata\"\n"); \
in_section = in_rodata; \
} \
} \
else \
text_section (); \
} \
while (0)
#endif
/* A list of names for sections other than the standard two, which are
`in_text' and `in_data'. You need not define this macro on a
system with no other sections (that GCC needs to use). */
#undef EXTRA_SECTIONS
#define EXTRA_SECTIONS in_rodata, in_data1
/* Given a decl node or constant node, choose the section to output it in
and select that section. */
#undef SELECT_RTX_SECTION
#define SELECT_RTX_SECTION(MODE, RTX, ALIGN) \
do \
{ \
if (MODE == Pmode && HALF_PIC_P () && HALF_PIC_ADDRESS_P (RTX)) \
data_section (); \
else \
readonly_data_section (); \
} \
while (0)
#undef SELECT_SECTION
#define SELECT_SECTION(DECL, RELOC, ALIGN) \
{ \
if (RELOC && HALF_PIC_P ()) \
data_section (); \
\
else if (TREE_CODE (DECL) == STRING_CST) \
{ \
if (flag_writable_strings) \
data_section (); \
else \
readonly_data_section (); \
} \
\
else if (TREE_CODE (DECL) != VAR_DECL) \
readonly_data_section (); \
\
else if (!TREE_READONLY (DECL) || TREE_SIDE_EFFECTS (DECL) \
|| !DECL_INITIAL (DECL) \
|| (DECL_INITIAL (DECL) != error_mark_node \
&& !TREE_CONSTANT (DECL_INITIAL (DECL)))) \
data_section (); \
\
else \
readonly_data_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
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"
#define SET_ASM_OP "\t.set\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"
/* A C statement (sans semicolon) to output to the stdio stream
STREAM any text necessary for declaring the name NAME of an
initialized variable which is being defined. This macro must
output the label definition (perhaps using `ASM_OUTPUT_LABEL').
The argument DECL is the `VAR_DECL' tree node representing the
variable.
If this macro is not defined, then the variable name is defined
in the usual manner as a label (by means of `ASM_OUTPUT_LABEL'). */
#undef ASM_DECLARE_OBJECT_NAME
#define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL) \
do \
{ \
ASM_OUTPUT_LABEL(STREAM,NAME); \
HALF_PIC_DECLARE (NAME); \
if (TARGET_ELF) \
{ \
fprintf (STREAM, "%s", TYPE_ASM_OP); \
assemble_name (STREAM, NAME); \
putc (',', STREAM); \
fprintf (STREAM, TYPE_OPERAND_FMT, "object"); \
putc ('\n', STREAM); \
size_directive_output = 0; \
if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \
{ \
size_directive_output = 1; \
fprintf (STREAM, "%s", SIZE_ASM_OP); \
assemble_name (STREAM, NAME); \
fprintf (STREAM, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \
} \
} \
} \
while (0)
/* Output the size directive for a decl in rest_of_decl_compilation
in the case where we did not do so before the initializer.
Once we find the error_mark_node, we know that the value of
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 { \
const char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \
if (TARGET_ELF \
&& !flag_inhibit_size_directive && DECL_SIZE (DECL) \
&& ! AT_END && TOP_LEVEL \
&& DECL_INITIAL (DECL) == error_mark_node \
&& !size_directive_output) \
{ \
fprintf (FILE, "%s", SIZE_ASM_OP); \
assemble_name (FILE, name); \
fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \
} \
} while (0)
/* This is how to declare a function name. */
#undef ASM_DECLARE_FUNCTION_NAME
#define ASM_DECLARE_FUNCTION_NAME(STREAM,NAME,DECL) \
do \
{ \
ASM_OUTPUT_LABEL(STREAM,NAME); \
HALF_PIC_DECLARE (NAME); \
if (TARGET_ELF) \
{ \
fprintf (STREAM, "%s", TYPE_ASM_OP); \
assemble_name (STREAM, NAME); \
putc (',', STREAM); \
fprintf (STREAM, TYPE_OPERAND_FMT, "function"); \
putc ('\n', STREAM); \
ASM_DECLARE_RESULT (STREAM, DECL_RESULT (DECL)); \
} \
} \
while (0)
/* 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
/* This is how to declare the size of a function. */
#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
do \
{ \
if (TARGET_ELF && !flag_inhibit_size_directive) \
{ \
char label[256]; \
static int labelno; \
labelno++; \
ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno); \
ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno); \
fprintf (FILE, "%s", SIZE_ASM_OP); \
assemble_name (FILE, (FNAME)); \
fprintf (FILE, ","); \
assemble_name (FILE, label); \
fprintf (FILE, "-"); \
assemble_name (FILE, (FNAME)); \
putc ('\n', FILE); \
} \
} \
while (0)
#define IDENT_ASM_OP "\t.ident\t"
/* Allow #sccs in preprocessor. */
#define SCCS_DIRECTIVE
/* This says what to print at the end of the assembly file */
#undef ASM_FILE_END
#define ASM_FILE_END(STREAM) \
do \
{ \
if (HALF_PIC_P ()) \
HALF_PIC_FINISH (STREAM); \
ix86_asm_file_end (STREAM); \
} \
while (0)
/* Tell collect that the object format is OSF/rose. */
#define OBJECT_FORMAT_ROSE
/* Tell collect where the appropriate binaries are. */
#define REAL_NM_FILE_NAME "/usr/ccs/gcc/bfd-nm"
#define REAL_STRIP_FILE_NAME "/usr/ccs/bin/strip"
/* Define this macro meaning that gcc should find the library 'libgcc.a'
by hand, rather than passing the argument '-lgcc' to tell the linker
to do the search */
#define LINK_LIBGCC_SPECIAL
/* Generate calls to memcpy, etc., not bcopy, etc. */
#define TARGET_MEM_FUNCTIONS
/* Don't default to pcc-struct-return, because gcc is the only compiler, and
we want to retain compatibility with older gcc versions. */
#define DEFAULT_PCC_STRUCT_RETURN 0
/* Map i386 registers to the numbers dwarf expects. Of course this is
different from what stabs expects. */
#undef DBX_REGISTER_NUMBER
#define DBX_REGISTER_NUMBER(n) ((write_symbols == DWARF_DEBUG) \
? svr4_dbx_register_map[n] \
: dbx_register_map[n])
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