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Diffstat (limited to 'gcc/config/sparc/sysv4.h')
| -rw-r--r-- | gcc/config/sparc/sysv4.h | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/gcc/config/sparc/sysv4.h b/gcc/config/sparc/sysv4.h deleted file mode 100644 index bc27b0c009a..00000000000 --- a/gcc/config/sparc/sysv4.h +++ /dev/null @@ -1,262 +0,0 @@ -/* Target definitions for GNU compiler for Sparc running System V.4 - Copyright (C) 1991, 1992, 1995, 1996 Free Software Foundation, Inc. - - Written by Ron Guilmette (rfg@netcom.com). - -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 "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" - -/* 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. */ - -#undef INIT_SECTION_ASM_OP -#undef FINI_SECTION_ASM_OP -#undef CONST_SECTION_ASM_OP -#undef TYPE_OPERAND_FMT -#undef PUSHSECTION_FORMAT -#undef STRING_ASM_OP -#undef COMMON_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) -Acpu(sparc) -Amachine(sparc) \ - -D__GCC_NEW_VARARGS__" - -/* 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. */ -#define JUMP_TABLES_IN_TEXT_SECTION 1 - -/* Pass -K to the assembler when PIC. */ -#undef ASM_SPEC -#define ASM_SPEC \ - "%{V} %{v:%{!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 (); \ -} - -/* This is the string used to begin an assembly language comment for the - Sparc/svr4 assembler. */ - -#define ASM_COMMENT_START "!" - -/* 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 - assembler. */ - -#define STRING_ASM_OP ".asciz" -#define COMMON_ASM_OP ".common" -#define SKIP_ASM_OP ".skip" -#define UNALIGNED_INT_ASM_OP ".uaword" -#define UNALIGNED_SHORT_ASM_OP ".uahalf" -#define PUSHSECTION_ASM_OP ".pushsection" -#define POPSECTION_ASM_OP ".popsection" - -/* This is the format used to print the second operand of a .type pseudo-op - 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. */ - -#define PUSHSECTION_FORMAT "\t%s\t\"%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); \ - } while (0) - -/* This is how to equate one symbol to another symbol. The syntax used is - `SYM1=SYM2'. Note that this is different from the way equates are done - with most svr4 assemblers, where the syntax is `.set SYM1,SYM2'. */ - -#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \ - do { fprintf ((FILE), "\t"); \ - assemble_name (FILE, LABEL1); \ - fprintf (FILE, " = "); \ - assemble_name (FILE, LABEL2); \ - 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) < 63) ? ((REGNO) + 8) \ - : (abort (), 0)) - -/* 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 the pseudo-ops used to switch to the .ctors and .dtors sections. - - Note that we want to give these sections the SHF_WRITE attribute - because these sections will actually contain data (i.e. tables of - addresses of functions in the current root executable or shared library - file) and, in the case of a shared library, the relocatable addresses - will have to be properly resolved/relocated (and then written into) by - the dynamic linker when it actually attaches the given shared library - to the executing process. (Note that on SVR4, you may wish to use the - `-z text' option to the ELF linker, when building a shared library, as - an additional check that you are doing everything right. But if you do - use the `-z text' option when building a shared library, you will get - errors unless the .ctors and .dtors sections are marked as writable - via the SHF_WRITE attribute.) */ - -#undef CTORS_SECTION_ASM_OP -#define CTORS_SECTION_ASM_OP ".section\t\".ctors\",#alloc,#write" -#undef DTORS_SECTION_ASM_OP -#define DTORS_SECTION_ASM_OP ".section\t\".dtors\",#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) \ -do { \ - if ((DECL) && TREE_CODE (DECL) == FUNCTION_DECL) \ - fprintf (FILE, ".section\t\"%s\",#alloc,#execinstr\n", (NAME)); \ - else if ((DECL) && TREE_READONLY (DECL)) \ - fprintf (FILE, ".section\t\"%s\",#alloc\n", (NAME)); \ - else \ - fprintf (FILE, ".section\t\"%s\",#alloc,#write\n", (NAME)); \ -} while (0) - -/* This is how to output assembly code to define a `float' constant. - We always have to use a .long pseudo-op to do this because the native - SVR4 ELF assembler is buggy and it generates incorrect values when we - try to use the .float pseudo-op instead. */ - -#undef ASM_OUTPUT_FLOAT -#define ASM_OUTPUT_FLOAT(FILE,VALUE) \ -do { long value; \ - REAL_VALUE_TO_TARGET_SINGLE ((VALUE), value); \ - fprintf((FILE), "\t.long\t0x%x\n", value); \ - } while (0) - -/* This is how to output assembly code to define a `double' constant. - We always have to use a pair of .long pseudo-ops to do this because - the native SVR4 ELF assembler is buggy and it generates incorrect - values when we try to use the the .double pseudo-op instead. */ - -#undef ASM_OUTPUT_DOUBLE -#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \ -do { long value[2]; \ - REAL_VALUE_TO_TARGET_DOUBLE ((VALUE), value); \ - fprintf((FILE), "\t.long\t0x%x\n", value[0]); \ - fprintf((FILE), "\t.long\t0x%x\n", value[1]); \ - } while (0) - -/* This is how to output an assembler line defining a `long double' - constant. */ - -#undef ASM_OUTPUT_LONG_DOUBLE -#define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE) \ -do { long value[4]; \ - REAL_VALUE_TO_TARGET_LONG_DOUBLE ((VALUE), value); \ - fprintf((FILE), "\t.long\t0x%x\n", value[0]); \ - fprintf((FILE), "\t.long\t0x%x\n", value[1]); \ - fprintf((FILE), "\t.long\t0x%x\n", value[2]); \ - fprintf((FILE), "\t.long\t0x%x\n", value[3]); \ - } while (0) - -/* 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 { \ - if (TARGET_MEDANY) \ - fprintf (FILE, "\tsethi %%hi(.LLPBX0),%%o0\n\tor %%0,%%lo(.LLPBX0),%%o0\n\tld [%s+%%o0],%%o1\n\ttst %%o1\n\tbne .LLPY%d\n\tadd %%o0,%s,%%o0\n\tcall __bb_init_func\n\tnop\nLPY%d:\n", \ - MEDANY_BASE_REG, (LABELNO), MEDANY_BASE_REG, (LABELNO)); \ - else \ - 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) - -/* 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); \ - if (TARGET_MEDANY) \ - fprintf (FILE, "\tsethi %%hi(.LLPBX2+%d),%%g1\n\tor %%g1,%%lo(.LLPBX2+%d),%%g1\n\tld [%%g1+%s],%%g2\n\tadd %%g2,1,%%g2\n\tst %%g2,[%%g1+%s]\n", \ - 4 * blockn, 4 * blockn, MEDANY_BASE_REG, MEDANY_BASE_REG); \ - else \ - 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); \ -} - |