+2011-04-08 Anatoly Sokolov <aesok@post.ru>
+
+ * doc/tm.texi.in (ASM_OUTPUT_BSS): Remove documentation.
+ (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS): Update documentation.
+ * doc/tm.texi: Regenerate.
+ * system.h (ASM_OUTPUT_BSS): Poison.
+ * varasm.c (asm_output_bss): Remove function.
+ (emit_bss, init_varasm_once): Don't use ASM_OUTPUT_BSS macro.
+
+ * config/frv/frv.h (BSS_SECTION_ASM_OP): Remove comment.
+ * config/frv/fr30.h (BSS_SECTION_ASM_OP): Likewise.
+ * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Likewise.
+ * config/i386/i386elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
+ Likewise.
+ * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
+ Likewise.
+ * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
+ Likewise.
+ * config/m68k/netbsd-elf.h (ASM_OUTPUT_ALIGNED_BSS): Likewise.
+
2011-04-07 Joseph Myers <joseph@codesourcery.com>
* config/rx/rx.opt (rx610, rx200, rx600): Use Enum not Name on
`".data"' is right. */
#define DATA_SECTION_ASM_OP "\t.data"
-/* If defined, a C expression whose value is a string containing the
- assembler operation to identify the following data as
- uninitialized global data. If not defined, and neither
- `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
- uninitialized global data will be output in the data section if
- `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
- used. */
#define BSS_SECTION_ASM_OP "\t.section .bss"
/*}}}*/ \f
`".data"' is right. */
#define DATA_SECTION_ASM_OP "\t.data"
-/* If defined, a C expression whose value is a string containing the
- assembler operation to identify the following data as
- uninitialized global data. If not defined, and neither
- `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
- uninitialized global data will be output in the data section if
- `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
- used. */
#define BSS_SECTION_ASM_OP "\t.section .bss,\"aw\""
/* Short Data Support */
/* Don't assume anything about the header files. */
#define NO_IMPLICIT_EXTERN_C
-/* If defined, a C expression whose value is a string containing the
- assembler operation to identify the following data as
- uninitialized global data. If not defined, and neither
- `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
- uninitialized global data will be output in the data section if
- `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
- used. */
#undef BSS_SECTION_ASM_OP
#define BSS_SECTION_ASM_OP "\t.section\t.bss"
/* Switch into a generic section. */
#define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
-/* If defined, a C expression whose value is a string containing the
- assembler operation to identify the following data as
- uninitialized global data. If not defined, and neither
- `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
- uninitialized global data will be output in the data section if
- `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
- used. */
#undef BSS_SECTION_ASM_OP
#define BSS_SECTION_ASM_OP "\t.section\t.bss"
-/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a
- separate, explicit argument. If you define this macro, it is used
- in place of `ASM_OUTPUT_BSS', and gives you more flexibility in
- handling the required alignment of the variable. The alignment is
- specified as the number of bits.
-
- Try to use function `asm_output_aligned_bss' defined in file
- `varasm.c' when defining this macro. */
#undef ASM_OUTPUT_ALIGNED_BSS
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
/* m68kelf support, derived from m68kv4.h */
/* Target definitions for GNU compiler for mc680x0 running System V.4
- Copyright (C) 1991, 1993, 2000, 2002, 2003, 2004, 2007, 2010
+ Copyright (C) 1991, 1993, 2000, 2002, 2003, 2004, 2007, 2010, 2011
Free Software Foundation, Inc.
Written by Ron Guilmette (rfg@netcom.com) and Fred Fish (fnf@cygnus.com).
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "crtbegin.o%s"
-/* If defined, a C expression whose value is a string containing the
- assembler operation to identify the following data as
- uninitialized global data. If not defined, and neither
- `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
- uninitialized global data will be output in the data section if
- `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
- used. */
#ifndef BSS_SECTION_ASM_OP
#define BSS_SECTION_ASM_OP "\t.section\t.bss"
#endif
-/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a
- separate, explicit argument. If you define this macro, it is used
- in place of `ASM_OUTPUT_BSS', and gives you more flexibility in
- handling the required alignment of the variable. The alignment is
- specified as the number of bits.
-
- Try to use function `asm_output_aligned_bss' defined in file
- `varasm.c' when defining this macro. */
#ifndef ASM_OUTPUT_ALIGNED_BSS
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
#define BSS_SECTION_ASM_OP ".section\t.bss"
-/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a
- separate, explicit argument. If you define this macro, it is used
- in place of `ASM_OUTPUT_BSS', and gives you more flexibility in
- handling the required alignment of the variable. The alignment is
- specified as the number of bits.
-
- Try to use function `asm_output_aligned_bss' defined in file
- `varasm.c' when defining this macro. */
-
#undef ASM_OUTPUT_ALIGNED_BSS
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
# endif
#endif
-
-/* If defined, a C expression whose value is a string containing the
- assembler operation to identify the following data as
- uninitialized global data. If not defined, and neither
- `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
- uninitialized global data will be output in the data section if
- `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
- used. */
#ifndef BSS_SECTION_ASM_OP
#define BSS_SECTION_ASM_OP "\t.section\t.bss"
#endif
-/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a
- separate, explicit argument. If you define this macro, it is used
- in place of `ASM_OUTPUT_BSS', and gives you more flexibility in
- handling the required alignment of the variable. The alignment is
- specified as the number of bits.
-
- Try to use function `asm_output_aligned_bss' defined in file
- `varasm.c' when defining this macro. */
#ifndef ASM_OUTPUT_ALIGNED_BSS
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
@defmac BSS_SECTION_ASM_OP
If defined, a C expression whose value is a string, including spacing,
containing the assembler operation to identify the following data as
-uninitialized global data. If not defined, and neither
-@code{ASM_OUTPUT_BSS} nor @code{ASM_OUTPUT_ALIGNED_BSS} are defined,
+uninitialized global data. If not defined, and
+@code{ASM_OUTPUT_ALIGNED_BSS} not defined,
uninitialized global data will be output in the data section if
@option{-fno-common} is passed, otherwise @code{ASM_OUTPUT_COMMON} will be
used.
the variable's decl in order to chose what to output.
@end defmac
-@defmac ASM_OUTPUT_BSS (@var{stream}, @var{decl}, @var{name}, @var{size}, @var{rounded})
+@defmac ASM_OUTPUT_ALIGNED_BSS (@var{stream}, @var{decl}, @var{name}, @var{size}, @var{alignment})
A C statement (sans semicolon) to output to the stdio stream
@var{stream} the assembler definition of uninitialized global @var{decl} named
-@var{name} whose size is @var{size} bytes. The variable @var{rounded}
-is the size rounded up to whatever alignment the caller wants.
+@var{name} whose size is @var{size} bytes. The variable @var{alignment}
+is the alignment specified as the number of bits.
-Try to use function @code{asm_output_bss} defined in @file{varasm.c} when
-defining this macro. If unable, use the expression
+Try to use function @code{asm_output_aligned_bss} defined in file
+@file{varasm.c} when defining this macro. If unable, use the expression
@code{assemble_name (@var{stream}, @var{name})} to output the name itself;
before and after that, output the additional assembler syntax for defining
the name, and a newline.
-There are two ways of handling global BSS@. One is to define either
-this macro or its aligned counterpart, @code{ASM_OUTPUT_ALIGNED_BSS}.
+There are two ways of handling global BSS@. One is to define this macro.
The other is to have @code{TARGET_ASM_SELECT_SECTION} return a
switchable BSS section (@pxref{TARGET_HAVE_SWITCHABLE_BSS_SECTIONS}).
You do not need to do both.
common in order to save space in the object file.
@end defmac
-@defmac ASM_OUTPUT_ALIGNED_BSS (@var{stream}, @var{decl}, @var{name}, @var{size}, @var{alignment})
-Like @code{ASM_OUTPUT_BSS} except takes the required alignment as a
-separate, explicit argument. If you define this macro, it is used in
-place of @code{ASM_OUTPUT_BSS}, and gives you more flexibility in
-handling the required alignment of the variable. The alignment is specified
-as the number of bits.
-
-Try to use function @code{asm_output_aligned_bss} defined in file
-@file{varasm.c} when defining this macro.
-@end defmac
-
@defmac ASM_OUTPUT_LOCAL (@var{stream}, @var{name}, @var{size}, @var{rounded})
A C statement (sans semicolon) to output to the stdio stream
@var{stream} the assembler definition of a local-common-label named
@defmac BSS_SECTION_ASM_OP
If defined, a C expression whose value is a string, including spacing,
containing the assembler operation to identify the following data as
-uninitialized global data. If not defined, and neither
-@code{ASM_OUTPUT_BSS} nor @code{ASM_OUTPUT_ALIGNED_BSS} are defined,
+uninitialized global data. If not defined, and
+@code{ASM_OUTPUT_ALIGNED_BSS} not defined,
uninitialized global data will be output in the data section if
@option{-fno-common} is passed, otherwise @code{ASM_OUTPUT_COMMON} will be
used.
the variable's decl in order to chose what to output.
@end defmac
-@defmac ASM_OUTPUT_BSS (@var{stream}, @var{decl}, @var{name}, @var{size}, @var{rounded})
+@defmac ASM_OUTPUT_ALIGNED_BSS (@var{stream}, @var{decl}, @var{name}, @var{size}, @var{alignment})
A C statement (sans semicolon) to output to the stdio stream
@var{stream} the assembler definition of uninitialized global @var{decl} named
-@var{name} whose size is @var{size} bytes. The variable @var{rounded}
-is the size rounded up to whatever alignment the caller wants.
+@var{name} whose size is @var{size} bytes. The variable @var{alignment}
+is the alignment specified as the number of bits.
-Try to use function @code{asm_output_bss} defined in @file{varasm.c} when
-defining this macro. If unable, use the expression
+Try to use function @code{asm_output_aligned_bss} defined in file
+@file{varasm.c} when defining this macro. If unable, use the expression
@code{assemble_name (@var{stream}, @var{name})} to output the name itself;
before and after that, output the additional assembler syntax for defining
the name, and a newline.
-There are two ways of handling global BSS@. One is to define either
-this macro or its aligned counterpart, @code{ASM_OUTPUT_ALIGNED_BSS}.
+There are two ways of handling global BSS@. One is to define this macro.
The other is to have @code{TARGET_ASM_SELECT_SECTION} return a
switchable BSS section (@pxref{TARGET_HAVE_SWITCHABLE_BSS_SECTIONS}).
You do not need to do both.
common in order to save space in the object file.
@end defmac
-@defmac ASM_OUTPUT_ALIGNED_BSS (@var{stream}, @var{decl}, @var{name}, @var{size}, @var{alignment})
-Like @code{ASM_OUTPUT_BSS} except takes the required alignment as a
-separate, explicit argument. If you define this macro, it is used in
-place of @code{ASM_OUTPUT_BSS}, and gives you more flexibility in
-handling the required alignment of the variable. The alignment is specified
-as the number of bits.
-
-Try to use function @code{asm_output_aligned_bss} defined in file
-@file{varasm.c} when defining this macro.
-@end defmac
-
@defmac ASM_OUTPUT_LOCAL (@var{stream}, @var{name}, @var{size}, @var{rounded})
A C statement (sans semicolon) to output to the stdio stream
@var{stream} the assembler definition of a local-common-label named
FUNCTION_ARG_BOUNDARY MUST_USE_SJLJ_EXCEPTIONS US_SOFTWARE_GOFAST \
USING_SVR4_H SVR4_ASM_SPEC FUNCTION_ARG FUNCTION_ARG_ADVANCE \
FUNCTION_INCOMING_ARG IRA_COVER_CLASSES TARGET_VERSION \
- MACHINE_TYPE TARGET_HAS_TARGETCM
+ MACHINE_TYPE TARGET_HAS_TARGETCM ASM_OUTPUT_BSS
/* Hooks that are no longer used. */
#pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \
static void globalize_decl (tree);
static bool decl_readonly_section_1 (enum section_category);
#ifdef BSS_SECTION_ASM_OP
-#ifdef ASM_OUTPUT_BSS
-static void asm_output_bss (FILE *, tree, const char *,
- unsigned HOST_WIDE_INT, unsigned HOST_WIDE_INT);
-#endif
#ifdef ASM_OUTPUT_ALIGNED_BSS
static void asm_output_aligned_bss (FILE *, tree, const char *,
unsigned HOST_WIDE_INT, int)
#ifdef BSS_SECTION_ASM_OP
-#ifdef ASM_OUTPUT_BSS
-
-/* Utility function for ASM_OUTPUT_BSS for targets to use if
- they don't support alignments in .bss.
- ??? It is believed that this function will work in most cases so such
- support is localized here. */
-
-static void ATTRIBUTE_UNUSED
-asm_output_bss (FILE *file, tree decl ATTRIBUTE_UNUSED,
- const char *name,
- unsigned HOST_WIDE_INT size ATTRIBUTE_UNUSED,
- unsigned HOST_WIDE_INT rounded)
-{
- gcc_assert (strcmp (XSTR (XEXP (DECL_RTL (decl), 0), 0), name) == 0);
- targetm.asm_out.globalize_decl_name (file, decl);
- switch_to_section (bss_section);
-#ifdef ASM_DECLARE_OBJECT_NAME
- last_assemble_variable_decl = decl;
- ASM_DECLARE_OBJECT_NAME (file, name, decl);
-#else
- /* Standard thing is just output label for the object. */
- ASM_OUTPUT_LABEL (file, name);
-#endif /* ASM_DECLARE_OBJECT_NAME */
- ASM_OUTPUT_SKIP (file, rounded ? rounded : 1);
-}
-
-#endif
-
#ifdef ASM_OUTPUT_ALIGNED_BSS
/* Utility function for targets to use in implementing
/* A noswitch_section_callback for bss_noswitch_section. */
-#if defined ASM_OUTPUT_ALIGNED_BSS || defined ASM_OUTPUT_BSS
+#if defined ASM_OUTPUT_ALIGNED_BSS
static bool
emit_bss (tree decl ATTRIBUTE_UNUSED,
const char *name ATTRIBUTE_UNUSED,
#if defined ASM_OUTPUT_ALIGNED_BSS
ASM_OUTPUT_ALIGNED_BSS (asm_out_file, decl, name, size, DECL_ALIGN (decl));
return true;
-#else
- ASM_OUTPUT_BSS (asm_out_file, decl, name, size, rounded);
- return false;
#endif
}
#endif
comm_section = get_noswitch_section (SECTION_WRITE | SECTION_BSS
| SECTION_COMMON, emit_common);
-#if defined ASM_OUTPUT_ALIGNED_BSS || defined ASM_OUTPUT_BSS
+#if defined ASM_OUTPUT_ALIGNED_BSS
bss_noswitch_section = get_noswitch_section (SECTION_WRITE | SECTION_BSS,
emit_bss);
#endif
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