/* Target definitions for GNU compiler for SPARC running System V.4
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/* Target definitions for GNU compiler for SPARC running System V.4
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Copyright (C) 1991, 1992, 1995, 1996, 1997, 1998, 2000, 2002, 2007
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Copyright (C) 1991, 1992, 1995, 1996, 1997, 1998, 2000, 2002, 2007
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Contributed by Ron Guilmette (rfg@monkeys.com).
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Contributed by Ron Guilmette (rfg@monkeys.com).
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This file is part of GCC.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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any later version.
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GCC is distributed in the hope that it will be useful,
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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#ifndef TARGET_VERSION
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#ifndef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (sparc ELF)");
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#define TARGET_VERSION fprintf (stderr, " (sparc ELF)");
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#endif
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#endif
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/* ??? Put back the SIZE_TYPE/PTRDIFF_TYPE definitions set by sparc.h.
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/* ??? Put back the SIZE_TYPE/PTRDIFF_TYPE definitions set by sparc.h.
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Why, exactly, is svr4.h messing with this? Seems like the chip
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Why, exactly, is svr4.h messing with this? Seems like the chip
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would know best. */
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would know best. */
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#undef SIZE_TYPE
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#undef SIZE_TYPE
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#define SIZE_TYPE (TARGET_ARCH64 ? "long unsigned int" : "unsigned int")
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#define SIZE_TYPE (TARGET_ARCH64 ? "long unsigned int" : "unsigned int")
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#undef PTRDIFF_TYPE
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE (TARGET_ARCH64 ? "long int" : "int")
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#define PTRDIFF_TYPE (TARGET_ARCH64 ? "long int" : "int")
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/* Undefined some symbols which are defined in "svr4.h" but which are
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/* Undefined some symbols which are defined in "svr4.h" but which are
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appropriate only for typical svr4 systems, but not for the specific
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appropriate only for typical svr4 systems, but not for the specific
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case of svr4 running on a SPARC. */
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case of svr4 running on a SPARC. */
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#undef INIT_SECTION_ASM_OP
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#undef INIT_SECTION_ASM_OP
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#undef FINI_SECTION_ASM_OP
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#undef FINI_SECTION_ASM_OP
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#undef READONLY_DATA_SECTION_ASM_OP
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#undef READONLY_DATA_SECTION_ASM_OP
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#undef TYPE_OPERAND_FMT
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#undef TYPE_OPERAND_FMT
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#undef PUSHSECTION_FORMAT
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#undef PUSHSECTION_FORMAT
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#undef STRING_ASM_OP
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#undef STRING_ASM_OP
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#undef COMMON_ASM_OP
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#undef COMMON_ASM_OP
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#undef SKIP_ASM_OP
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#undef SKIP_ASM_OP
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#undef SET_ASM_OP /* Has no equivalent. See ASM_OUTPUT_DEF below. */
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#undef SET_ASM_OP /* Has no equivalent. See ASM_OUTPUT_DEF below. */
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/* The native assembler can't compute differences between symbols in different
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/* The native assembler can't compute differences between symbols in different
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sections when generating pic code, so we must put jump tables in the
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sections when generating pic code, so we must put jump tables in the
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text section. */
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text section. */
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/* But we now defer the tables to the end of the function, so we make
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/* But we now defer the tables to the end of the function, so we make
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this 0 to not confuse the branch shortening code. */
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this 0 to not confuse the branch shortening code. */
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#define JUMP_TABLES_IN_TEXT_SECTION 0
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#define JUMP_TABLES_IN_TEXT_SECTION 0
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/* Pass -K to the assembler when PIC. */
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/* Pass -K to the assembler when PIC. */
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#undef ASM_SPEC
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#undef ASM_SPEC
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#define ASM_SPEC \
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#define ASM_SPEC \
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"%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
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"%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
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%{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu)"
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%{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu)"
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/* Define the names of various pseudo-op used by the SPARC/svr4 assembler.
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/* Define the names of various pseudo-op used by the SPARC/svr4 assembler.
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Note that many of these are different from the typical pseudo-ops used
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Note that many of these are different from the typical pseudo-ops used
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by most svr4 assemblers. That is probably due to a (misguided?) attempt
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by most svr4 assemblers. That is probably due to a (misguided?) attempt
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to keep the SPARC/svr4 assembler somewhat compatible with the SPARC/SunOS
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to keep the SPARC/svr4 assembler somewhat compatible with the SPARC/SunOS
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assembler. */
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assembler. */
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#define STRING_ASM_OP "\t.asciz\t"
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#define STRING_ASM_OP "\t.asciz\t"
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#define COMMON_ASM_OP "\t.common\t"
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#define COMMON_ASM_OP "\t.common\t"
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#define SKIP_ASM_OP "\t.skip\t"
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#define SKIP_ASM_OP "\t.skip\t"
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#define PUSHSECTION_ASM_OP "\t.pushsection\t"
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#define PUSHSECTION_ASM_OP "\t.pushsection\t"
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#define POPSECTION_ASM_OP "\t.popsection"
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#define POPSECTION_ASM_OP "\t.popsection"
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/* This is the format used to print the second operand of a .type pseudo-op
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/* This is the format used to print the second operand of a .type pseudo-op
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for the SPARC/svr4 assembler. */
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for the SPARC/svr4 assembler. */
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#define TYPE_OPERAND_FMT "#%s"
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#define TYPE_OPERAND_FMT "#%s"
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/* This is the format used to print a .pushsection pseudo-op (and its operand)
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/* This is the format used to print a .pushsection pseudo-op (and its operand)
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for the SPARC/svr4 assembler. */
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for the SPARC/svr4 assembler. */
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#define PUSHSECTION_FORMAT "%s\"%s\"\n"
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#define PUSHSECTION_FORMAT "%s\"%s\"\n"
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#undef ASM_OUTPUT_CASE_LABEL
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#undef ASM_OUTPUT_CASE_LABEL
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#define ASM_OUTPUT_CASE_LABEL(FILE, PREFIX, NUM, JUMPTABLE) \
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#define ASM_OUTPUT_CASE_LABEL(FILE, PREFIX, NUM, JUMPTABLE) \
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do { ASM_OUTPUT_ALIGN ((FILE), Pmode == SImode ? 2 : 3); \
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do { ASM_OUTPUT_ALIGN ((FILE), Pmode == SImode ? 2 : 3); \
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(*targetm.asm_out.internal_label) ((FILE), PREFIX, NUM); \
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(*targetm.asm_out.internal_label) ((FILE), PREFIX, NUM); \
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} while (0)
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} while (0)
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/* This is how to equate one symbol to another symbol. The syntax used is
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/* This is how to equate one symbol to another symbol. The syntax used is
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`SYM1=SYM2'. Note that this is different from the way equates are done
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`SYM1=SYM2'. Note that this is different from the way equates are done
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with most svr4 assemblers, where the syntax is `.set SYM1,SYM2'. */
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with most svr4 assemblers, where the syntax is `.set SYM1,SYM2'. */
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#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
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#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
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do { fprintf ((FILE), "\t"); \
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do { fprintf ((FILE), "\t"); \
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assemble_name (FILE, LABEL1); \
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assemble_name (FILE, LABEL1); \
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fprintf (FILE, " = "); \
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fprintf (FILE, " = "); \
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assemble_name (FILE, LABEL2); \
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assemble_name (FILE, LABEL2); \
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fprintf (FILE, "\n"); \
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fprintf (FILE, "\n"); \
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} while (0)
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} while (0)
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/* Define how the SPARC registers should be numbered for Dwarf output.
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/* Define how the SPARC registers should be numbered for Dwarf output.
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The numbering provided here should be compatible with the native
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The numbering provided here should be compatible with the native
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svr4 SDB debugger in the SPARC/svr4 reference port. The numbering
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svr4 SDB debugger in the SPARC/svr4 reference port. The numbering
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is as follows:
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is as follows:
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Assembly name gcc internal regno Dwarf regno
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Assembly name gcc internal regno Dwarf regno
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----------------------------------------------------------
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----------------------------------------------------------
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g0-g7 0-7 0-7
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g0-g7 0-7 0-7
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o0-o7 8-15 8-15
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o0-o7 8-15 8-15
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l0-l7 16-23 16-23
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l0-l7 16-23 16-23
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i0-i7 24-31 24-31
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i0-i7 24-31 24-31
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f0-f31 32-63 40-71
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f0-f31 32-63 40-71
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*/
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*/
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#define DBX_REGISTER_NUMBER(REGNO) ((REGNO) < 32 ? (REGNO) : (REGNO) + 8)
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#define DBX_REGISTER_NUMBER(REGNO) ((REGNO) < 32 ? (REGNO) : (REGNO) + 8)
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/* A set of symbol definitions for assembly pseudo-ops which will
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/* A set of symbol definitions for assembly pseudo-ops which will
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get us switched to various sections of interest. These are used
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get us switched to various sections of interest. These are used
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in all places where we simply want to switch to a section, and
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in all places where we simply want to switch to a section, and
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*not* to push the previous section name onto the assembler's
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*not* to push the previous section name onto the assembler's
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section names stack (as we do often in dwarfout.c). */
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section names stack (as we do often in dwarfout.c). */
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#define TEXT_SECTION_ASM_OP "\t.section\t\".text\""
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#define TEXT_SECTION_ASM_OP "\t.section\t\".text\""
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#define DATA_SECTION_ASM_OP "\t.section\t\".data\""
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#define DATA_SECTION_ASM_OP "\t.section\t\".data\""
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#define BSS_SECTION_ASM_OP "\t.section\t\".bss\""
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#define BSS_SECTION_ASM_OP "\t.section\t\".bss\""
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#define READONLY_DATA_SECTION_ASM_OP "\t.section\t\".rodata\""
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#define READONLY_DATA_SECTION_ASM_OP "\t.section\t\".rodata\""
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#define INIT_SECTION_ASM_OP "\t.section\t\".init\""
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#define INIT_SECTION_ASM_OP "\t.section\t\".init\""
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#define FINI_SECTION_ASM_OP "\t.section\t\".fini\""
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#define FINI_SECTION_ASM_OP "\t.section\t\".fini\""
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/* Define the pseudo-ops used to switch to the .ctors and .dtors sections.
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/* Define the pseudo-ops used to switch to the .ctors and .dtors sections.
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Note that we want to give these sections the SHF_WRITE attribute
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Note that we want to give these sections the SHF_WRITE attribute
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because these sections will actually contain data (i.e. tables of
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because these sections will actually contain data (i.e. tables of
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addresses of functions in the current root executable or shared library
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addresses of functions in the current root executable or shared library
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file) and, in the case of a shared library, the relocatable addresses
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file) and, in the case of a shared library, the relocatable addresses
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will have to be properly resolved/relocated (and then written into) by
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will have to be properly resolved/relocated (and then written into) by
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the dynamic linker when it actually attaches the given shared library
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the dynamic linker when it actually attaches the given shared library
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to the executing process. (Note that on SVR4, you may wish to use the
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to the executing process. (Note that on SVR4, you may wish to use the
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`-z text' option to the ELF linker, when building a shared library, as
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`-z text' option to the ELF linker, when building a shared library, as
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an additional check that you are doing everything right. But if you do
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an additional check that you are doing everything right. But if you do
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use the `-z text' option when building a shared library, you will get
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use the `-z text' option when building a shared library, you will get
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errors unless the .ctors and .dtors sections are marked as writable
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errors unless the .ctors and .dtors sections are marked as writable
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via the SHF_WRITE attribute.) */
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via the SHF_WRITE attribute.) */
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#undef CTORS_SECTION_ASM_OP
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#undef CTORS_SECTION_ASM_OP
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#define CTORS_SECTION_ASM_OP "\t.section\t\".ctors\",#alloc,#write"
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#define CTORS_SECTION_ASM_OP "\t.section\t\".ctors\",#alloc,#write"
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#undef DTORS_SECTION_ASM_OP
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#undef DTORS_SECTION_ASM_OP
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#define DTORS_SECTION_ASM_OP "\t.section\t\".dtors\",#alloc,#write"
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#define DTORS_SECTION_ASM_OP "\t.section\t\".dtors\",#alloc,#write"
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/* Switch into a generic section. */
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/* Switch into a generic section. */
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#undef TARGET_ASM_NAMED_SECTION
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#undef TARGET_ASM_NAMED_SECTION
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#define TARGET_ASM_NAMED_SECTION sparc_elf_asm_named_section
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#define TARGET_ASM_NAMED_SECTION sparc_elf_asm_named_section
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#undef ASM_OUTPUT_ALIGNED_BSS
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#undef ASM_OUTPUT_ALIGNED_BSS
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#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
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#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
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asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
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asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
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/* Override the name of the mcount profiling function. */
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/* Override the name of the mcount profiling function. */
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#undef MCOUNT_FUNCTION
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#undef MCOUNT_FUNCTION
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#define MCOUNT_FUNCTION "*_mcount"
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#define MCOUNT_FUNCTION "*_mcount"
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