-/* Target definitions for GNU compiler for Sparc running System V.4
- Copyright (C) 1991, 92, 95, 96, 97, 1998 Free Software Foundation, Inc.
+/* Target definitions for GNU compiler for SPARC running System V.4
+ Copyright (C) 1991, 1992, 1995, 1996, 1997, 1998, 2000, 2002, 2007
+ Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.com).
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+GCC 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)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+GCC 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. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
-#include "sparc/sparc.h"
-
-/* Undefine some symbols which are defined in "sparc.h" but which are
- appropriate only for SunOS 4.x, and not for svr4. */
-
-#undef WORD_SWITCH_TAKES_ARG
-#undef ASM_OUTPUT_SOURCE_LINE
-#undef SELECT_SECTION
-#undef ASM_DECLARE_FUNCTION_NAME
-#undef TEXT_SECTION_ASM_OP
-#undef DATA_SECTION_ASM_OP
-
-#include "svr4.h"
+#ifndef TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (sparc ELF)");
+#endif
/* ??? Put back the SIZE_TYPE/PTRDIFF_TYPE definitions set by sparc.h.
Why, exactly, is svr4.h messing with this? Seems like the chip
/* Undefined some symbols which are defined in "svr4.h" but which are
appropriate only for typical svr4 systems, but not for the specific
- case of svr4 running on a Sparc. */
+ case of svr4 running on a SPARC. */
#undef INIT_SECTION_ASM_OP
#undef FINI_SECTION_ASM_OP
-#undef CONST_SECTION_ASM_OP
+#undef READONLY_DATA_SECTION_ASM_OP
#undef TYPE_OPERAND_FMT
#undef PUSHSECTION_FORMAT
#undef STRING_ASM_OP
#undef SKIP_ASM_OP
#undef SET_ASM_OP /* Has no equivalent. See ASM_OUTPUT_DEF below. */
-/* Provide a set of pre-definitions and pre-assertions appropriate for
- the Sparc running svr4. __svr4__ is our extension. */
-
-#define CPP_PREDEFINES \
-"-Dsparc -Dunix -D__svr4__ -Asystem(unix) -Asystem(svr4)"
-
-/* The native assembler can't compute differences between symbols in different
- sections when generating pic code, so we must put jump tables in the
- text section. */
-/* But we now defer the tables to the end of the function, so we make
- this 0 to not confuse the branch shortening code. */
-#define JUMP_TABLES_IN_TEXT_SECTION 0
-
/* Pass -K to the assembler when PIC. */
#undef ASM_SPEC
#define ASM_SPEC \
"%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
- %{fpic:-K PIC} %{fPIC:-K PIC} %(asm_cpu)"
-
-/* Must use data section for relocatable constants when pic. */
-#undef SELECT_RTX_SECTION
-#define SELECT_RTX_SECTION(MODE,RTX) \
-{ \
- if (flag_pic && symbolic_operand (RTX)) \
- data_section (); \
- else \
- const_section (); \
-}
-
-/* Define the names of various pseudo-op used by the Sparc/svr4 assembler.
+ %{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu)"
+
+/* Define the names of various pseudo-op used by the SPARC/svr4 assembler.
Note that many of these are different from the typical pseudo-ops used
by most svr4 assemblers. That is probably due to a (misguided?) attempt
- to keep the Sparc/svr4 assembler somewhat compatible with the Sparc/SunOS
+ to keep the SPARC/svr4 assembler somewhat compatible with the SPARC/SunOS
assembler. */
-#define STRING_ASM_OP ".asciz"
-#define COMMON_ASM_OP ".common"
-#define SKIP_ASM_OP ".skip"
-#define UNALIGNED_DOUBLE_INT_ASM_OP ".uaxword"
-#define UNALIGNED_INT_ASM_OP ".uaword"
-#define UNALIGNED_SHORT_ASM_OP ".uahalf"
-#define PUSHSECTION_ASM_OP ".pushsection"
-#define POPSECTION_ASM_OP ".popsection"
-
-/* This is defined in sparc.h but is not used by svr4.h. */
-#undef ASM_LONG
-#define ASM_LONG ".long"
+#define STRING_ASM_OP "\t.asciz\t"
+#define COMMON_ASM_OP "\t.common\t"
+#define SKIP_ASM_OP "\t.skip\t"
+#define PUSHSECTION_ASM_OP "\t.pushsection\t"
+#define POPSECTION_ASM_OP "\t.popsection"
/* This is the format used to print the second operand of a .type pseudo-op
- for the Sparc/svr4 assembler. */
+ for the SPARC/svr4 assembler. */
#define TYPE_OPERAND_FMT "#%s"
/* This is the format used to print a .pushsection pseudo-op (and its operand)
- for the Sparc/svr4 assembler. */
+ for the SPARC/svr4 assembler. */
-#define PUSHSECTION_FORMAT "\t%s\t\"%s\"\n"
+#define PUSHSECTION_FORMAT "%s\"%s\"\n"
#undef ASM_OUTPUT_CASE_LABEL
#define ASM_OUTPUT_CASE_LABEL(FILE, PREFIX, NUM, JUMPTABLE) \
do { ASM_OUTPUT_ALIGN ((FILE), Pmode == SImode ? 2 : 3); \
- ASM_OUTPUT_INTERNAL_LABEL ((FILE), PREFIX, NUM); \
+ (*targetm.asm_out.internal_label) ((FILE), PREFIX, NUM); \
} while (0)
/* This is how to equate one symbol to another symbol. The syntax used is
fprintf (FILE, "\n"); \
} while (0)
-/* Define how the Sparc registers should be numbered for Dwarf output.
- The numbering provided here should be compatible with the native
- svr4 SDB debugger in the Sparc/svr4 reference port. The numbering
- is as follows:
-
- Assembly name gcc internal regno Dwarf regno
- ----------------------------------------------------------
- g0-g7 0-7 0-7
- o0-o7 8-15 8-15
- l0-l7 16-23 16-23
- i0-i7 24-31 24-31
- f0-f31 32-63 40-71
-*/
-
-#define DBX_REGISTER_NUMBER(REGNO) ((REGNO) < 32 ? (REGNO) : (REGNO) + 8)
-
/* A set of symbol definitions for assembly pseudo-ops which will
get us switched to various sections of interest. These are used
in all places where we simply want to switch to a section, and
*not* to push the previous section name onto the assembler's
section names stack (as we do often in dwarfout.c). */
-#define TEXT_SECTION_ASM_OP ".section\t\".text\""
-#define DATA_SECTION_ASM_OP ".section\t\".data\""
-#define BSS_SECTION_ASM_OP ".section\t\".bss\""
-#define CONST_SECTION_ASM_OP ".section\t\".rodata\""
-#define INIT_SECTION_ASM_OP ".section\t\".init\""
-#define FINI_SECTION_ASM_OP ".section\t\".fini\""
+#define TEXT_SECTION_ASM_OP "\t.section\t\".text\""
+#define DATA_SECTION_ASM_OP "\t.section\t\".data\""
+#define BSS_SECTION_ASM_OP "\t.section\t\".bss\""
+#define READONLY_DATA_SECTION_ASM_OP "\t.section\t\".rodata\""
+#define INIT_SECTION_ASM_OP "\t.section\t\".init\""
+#define FINI_SECTION_ASM_OP "\t.section\t\".fini\""
/* Define the pseudo-ops used to switch to the .ctors and .dtors sections.
via the SHF_WRITE attribute.) */
#undef CTORS_SECTION_ASM_OP
-#define CTORS_SECTION_ASM_OP ".section\t\".ctors\",#alloc,#write"
+#define CTORS_SECTION_ASM_OP "\t.section\t\".ctors\",#alloc,#write"
#undef DTORS_SECTION_ASM_OP
-#define DTORS_SECTION_ASM_OP ".section\t\".dtors\",#alloc,#write"
-#undef EH_FRAME_SECTION_ASM_OP
-#define EH_FRAME_SECTION_ASM_OP ".section\t\".eh_frame\",#alloc,#write"
-
-/* A C statement to output something to the assembler file to switch to section
- NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or
- NULL_TREE. Some target formats do not support arbitrary sections. Do not
- define this macro in such cases. */
-
-#undef ASM_OUTPUT_SECTION_NAME /* Override svr4.h's definition. */
-#define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME, RELOC) \
-do { \
- if ((DECL) && TREE_CODE (DECL) == FUNCTION_DECL) \
- fprintf (FILE, ".section\t\"%s%s\",#alloc,#execinstr\n", \
- flag_function_sections ? ".text%" : "", (NAME)); \
- else if ((DECL) && DECL_READONLY_SECTION (DECL, RELOC)) \
- fprintf (FILE, ".section\t\"%s\",#alloc\n", (NAME)); \
- else \
- fprintf (FILE, ".section\t\"%s\",#alloc,#write\n", (NAME)); \
-} while (0)
-\f
-/* Output assembler code to FILE to initialize this source file's
- basic block profiling info, if that has not already been done. */
-
-#undef FUNCTION_BLOCK_PROFILER
-#define FUNCTION_BLOCK_PROFILER(FILE, LABELNO) \
- do { \
- fprintf (FILE, "\tsethi %%hi(.LLPBX0),%%o0\n\tld [%%lo(.LLPBX0)+%%o0],%%o1\n\ttst %%o1\n\tbne LPY%d\n\tadd %%o0,%%lo(.LLPBX0),%%o0\n\tcall __bb_init_func\n\tnop\nLPY%d:\n", \
- (LABELNO), (LABELNO)); \
- } while (0)
+#define DTORS_SECTION_ASM_OP "\t.section\t\".dtors\",#alloc,#write"
-/* Output assembler code to FILE to increment the entry-count for
- the BLOCKNO'th basic block in this source file. */
-
-#undef BLOCK_PROFILER
-#define BLOCK_PROFILER(FILE, BLOCKNO) \
-{ \
- int blockn = (BLOCKNO); \
- fprintf (FILE, "\tsethi %%hi(.LLPBX2+%d),%%g1\n\tld [%%lo(.LLPBX2+%d)+%%g1],%%g2\n\
-\tadd %%g2,1,%%g2\n\tst %%g2,[%%lo(.LLPBX2+%d)+%%g1]\n", \
- 4 * blockn, 4 * blockn, 4 * blockn); \
-}
-
-/* A C statement (sans semicolon) to output to the stdio stream
- FILE the assembler definition of uninitialized global DECL named
- NAME whose size is SIZE bytes and alignment is ALIGN bytes.
- Try to use asm_output_aligned_bss to implement this macro. */
+/* Switch into a generic section. */
+#undef TARGET_ASM_NAMED_SECTION
+#define TARGET_ASM_NAMED_SECTION sparc_elf_asm_named_section
#undef ASM_OUTPUT_ALIGNED_BSS
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
+
+/* Override the name of the mcount profiling function. */
+
+#undef MCOUNT_FUNCTION
+#define MCOUNT_FUNCTION "*_mcount"