--- /dev/null
+/* Definitions of target machine for GNU compiler. 64 bit ABI support.
+ Copyright (C) 1994 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* Macros to implement the 64 bit ABI. This file is meant to be included
+ after mips.h. */
+
+#undef ABI_64BIT
+#define ABI_64BIT 1
+
+/* For Irix 6, -mips3 implies TARGET_LONG64. */
+#undef TARGET_LONG64
+#define TARGET_LONG64 (target_flags & MASK_64BIT)
+
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES \
+ "-Dunix -Dmips -Dsgi -Dhost_mips -DMIPSEB -D_MIPSEB -DSYSTYPE_SVR4 \
+ -D_SVR4_SOURCE -D_MODERN_C -D__DSO__ \
+ -Asystem(unix) -Asystem(svr4) -Acpu(mips) -Amachine(sgi)"
+
+/* We must make -mips3 do what -mlong64 used to do. */
+#undef CPP_SPEC
+#define CPP_SPEC "\
+%{!ansi:-D__EXTENSIONS__ -D_SGI_SOURCE -D_LONGLONG} \
+%{.cc: -D_LANGUAGE_C_PLUS_PLUS} \
+%{.cxx: -D_LANGUAGE_C_PLUS_PLUS} \
+%{.C: -D_LANGUAGE_C_PLUS_PLUS} \
+%{.m: -D_LANGUAGE_OBJECTIVE_C -D_LANGUAGE_C} \
+%{.S: -D_LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
+%{.s: -D_LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
+%{!.S:%{!.s: %{!.cc: %{!.cxx: %{!.C: %{!.m: -D_LANGUAGE_C %{!ansi:-DLANGUAGE_C}}}}}}}\
+%{mfp32: -D_MIPS_FPSET=16}%{!mfp32: -D_MIPS_FPSET=32} \
+%{mips1: -D_MIPS_ISA=_MIPS_ISA_MIPS1} \
+%{mips2: -D_MIPS_ISA=_MIPS_ISA_MIPS2} \
+%{mips3: -D_MIPS_ISA=_MIPS_ISA_MIPS3} \
+%{mips4: -D_MIPS_ISA=_MIPS_ISA_MIPS4} \
+%{!mips1: %{!mips2: %{!mips3: %{!mips4: -D_MIPS_ISA=_MIPS_ISA_MIPS4}}}} \
+%{mips1: -D_MIPS_SIM=_MIPS_SIM_ABI32} \
+%{mips2: -D_MIPS_SIM=_MIPS_SIM_ABI32} \
+%{mips3: -D_MIPS_SIM=_MIPS_SIM_ABI64} \
+%{mips4: -D_MIPS_SIM=_MIPS_SIM_ABI64} \
+%{!mips1: %{!mips2: %{!mips3: %{!mips4: -D_MIPS_SIM=_MIPS_SIM_ABI64}}}} \
+%{!mint64: -D_MIPS_SZINT=32}%{mint64: -D_MIPS_SZINT=64} \
+%{mips1: -D_MIPS_SZLONG=32}%{mips2: -D_MIPS_SZLONG=32} \
+%{!mips1:%{!mips2: -D_MIPS_SZLONG=64}} \
+%{mips1: -D_MIPS_SZPTR=32}%{mips2: -D_MIPS_SZPTR=32} \
+%{mips3: -D_MIPS_SZPTR=64}%{mips4: -D_MIPS_SZPTR=64} \
+%{!mips1: %{!mips2: %{!mips3: %{!mips4: -D_MIPS_SZPTR=64}}}} \
+%{!mips1:%{!mips2: -D_COMPILER_VERSION=601}} \
+%{mips1: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int} \
+%{mips2: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int} \
+%{!mips1:%{!mips2: -D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int}} \
+%{mips3:-U__mips -D__mips=3} \
+%{!mips1:%{!mips2:-U__mips -D__mips=4}}"
+
+#undef EMPTY_FIELD_BOUNDARY
+#define EMPTY_FIELD_BOUNDARY 32
+
+#undef STACK_BOUNDARY
+#define STACK_BOUNDARY 128
+
+#undef MIPS_STACK_ALIGN
+#define MIPS_STACK_ALIGN(LOC) (((LOC)+15) & ~15)
+
+#undef GP_ARG_LAST
+#define GP_ARG_LAST (mips_isa < 3 ? GP_REG_FIRST + 7 : GP_REG_FIRST + 11)
+#undef FP_ARG_LAST
+#define FP_ARG_LAST (mips_isa < 3 ? FP_REG_FIRST + 15 : FP_REG_FIRST + 19)
+
+/* fp20-23 are now caller saved. */
+#undef SUBTARGET_CONDITIONAL_REGISTER_USAGE
+#define SUBTARGET_CONDITIONAL_REGISTER_USAGE \
+{ \
+ if (mips_isa >= 3) \
+ { \
+ int regno; \
+ for (regno = FP_REG_FIRST + 20; regno < FP_REG_FIRST + 24; regno++) \
+ call_used_regs[regno] = 1; \
+ } \
+}
+
+#undef MAX_ARGS_IN_REGISTERS
+#define MAX_ARGS_IN_REGISTERS (mips_isa < 3 ? 4 : 8)
+
+#undef REG_PARM_STACK_SPACE
+#define REG_PARM_STACK_SPARC(FNDECL) \
+ (mips_abi < 3 \
+ ? (MAX_ARGS_IN_REGISTERS*UNITS_PER_WORD) - FIRST_PARM_OFFSET (FNDECL) \
+ : 0)
+
+#define FUNCTION_ARG_PADDING(MODE, TYPE) \
+ (! BYTES_BIG_ENDIAN \
+ ? upward \
+ : (((MODE) == BLKmode \
+ ? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \
+ && int_size_in_bytes (TYPE) < (PARM_BOUNDARY / BITS_PER_UNIT))\
+ : (GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY \
+ && (mips_isa < 3 || GET_MODE_CLASS (MODE) == MODE_INT))) \
+ ? downward : upward))
+
+extern struct rtx_def *type_dependent_reg ();
+#define TYPE_DEPENDENT_REG(REGNO, INDEX, TYPE) \
+ type_dependent_reg (REGNO, INDEX, TYPE)
+
+#undef RETURN_IN_MEMORY
+#define RETURN_IN_MEMORY(TYPE) \
+ (mips_isa < 3 ? TYPE_MODE (TYPE) == BLKmode : int_size_in_bytes (TYPE) > 16)
+
+extern struct rtx_def *mips_function_value ();
+#undef FUNCTION_VALUE
+#define FUNCTION_VALUE(VALTYPE, FUNC) mips_function_value (VALTYPE, FUNC)
+
+/* For varargs, we must save the current argument, because it is the fake
+ argument va_alist, and will need to be converted to the real argument.
+ For stdarg, we do not need to save the current argument, because it
+ is a real argument. */
+#define SETUP_INCOMING_VARARGS(CUM,MODE,TYPE,PRETEND_SIZE,NO_RTL) \
+{ if (mips_isa >= 3 && (CUM).arg_words < MAX_ARGS_IN_REGISTERS - 1) \
+ { \
+ PRETEND_SIZE \
+ = (MAX_ARGS_IN_REGISTERS - (CUM).arg_words \
+ - ! current_function_varargs) * UNITS_PER_WORD; \
+ \
+ if (! (NO_RTL)) \
+ move_block_from_reg \
+ ((CUM).arg_words + GP_ARG_FIRST + ! current_function_varargs, \
+ gen_rtx (MEM, BLKmode, \
+ plus_constant (virtual_incoming_args_rtx, \
+ - PRETEND_SIZE)), \
+ (MAX_ARGS_IN_REGISTERS - (CUM).arg_words \
+ - ! current_function_varargs), \
+ PRETEND_SIZE, 0); \
+ } \
+}
+
+#define STRICT_ARGUMENT_NAMING
+
+/* ??? Unimplemented stuff follows. */
+
+/* ??? Add support for 16 byte/128 bit long doubles here when
+ mips_isa >= 3. */
+
+/* ??? Make main return zero if user did not specify return value. */
+
+/* ??? Add support for .interfaces section, so as to get linker warnings
+ when stdarg functions called without prototype in scope? */
+
+/* ??? Could optimize structure passing by putting the right register rtx
+ into the field decl, so that if we use the field, we can take the value from
+ a register instead of from memory. */
+
--- /dev/null
+/* Definitions of target machine for GNU compiler. Iris version 6.
+ Copyright (C) 1994 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* Irix 6 uses DWARF. */
+#define DWARF_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE DWARF_DEBUG
+
+/* Default to -mips4. */
+#define TARGET_DEFAULT MASK_ABICALLS|MASK_FLOAT64|MASK_64BIT
+#define MIPS_ISA_DEFAULT 4
+
+#include "mips/iris5gas.h"
+#include "mips/abi64.h"
+
+/* Irix 5 stuff that we don't need for Irix 6. */
+#undef ASM_OUTPUT_UNDEF_FUNCTION
+#undef ASM_OUTPUT_EXTERNAL_LIBCALL
+#undef ASM_DECLARE_FUNCTION_SIZE
+
+/* Stuff we need for Irix 6 that isn't in Irix 5. */
+
+#undef SET_ASM_OP /* Has no equivalent. See ASM_OUTPUT_DEF below. */
+
+/* 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 POPSECTION_ASM_OP ".popsection"
+
+/* To enable use of init and fini sections. */
+#define INIT_SECTION_ASM_OP ".section\t.init"
+#undef LD_INIT_SWITCH
+#undef LD_FINI_SWITCH
+#undef HAS_INIT_SECTION
+
+#define DEBUG_SECTION ".debug,1,0,0,1"
+#define LINE_SECTION ".line,1,0,0,1"
+#define SFNAMES_SECTION ".debug_sfnames,1,0,0,1"
+#define SRCINFO_SECTION ".debug_srcinfo,1,0,0,1"
+#define MACINFO_SECTION ".debug_macinfo,1,0,0,1"
+#define PUBNAMES_SECTION ".debug_pubnames,1,0,0,1"
+#define ARANGES_SECTION ".debug_aranges,1,0,0,1"
+
+#undef ASM_SPEC
+#if ((TARGET_CPU_DEFAULT | TARGET_DEFAULT) & MASK_GAS) != 0
+/* GAS */
+#define ASM_SPEC "\
+%{mmips-as: \
+ %{!.s:-nocpp} %{.s: %{cpp} %{nocpp}} \
+ %{pipe: %e-pipe is not supported.} \
+ %{K}} \
+%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} %{v} \
+%{noasmopt:-O0} \
+%{!noasmopt:%{O:-O2} %{O1:-O2} %{O2:-O2} %{O3:-O3}} \
+%{g} %{g0} %{g1} %{g2} %{g3} \
+%{ggdb:-g} %{ggdb0:-g0} %{ggdb1:-g1} %{ggdb2:-g2} %{ggdb3:-g3} \
+%{gstabs:-g} %{gstabs0:-g0} %{gstabs1:-g1} %{gstabs2:-g2} %{gstabs3:-g3} \
+%{gstabs+:-g} %{gstabs+0:-g0} %{gstabs+1:-g1} %{gstabs+2:-g2} %{gstabs+3:-g3} \
+%{gcoff:-g} %{gcoff0:-g0} %{gcoff1:-g1} %{gcoff2:-g2} %{gcoff3:-g3} \
+%{membedded-pic}"
+
+#else
+/* not GAS */
+/* Must pass -g0 to the assembler, otherwise it may overwrite our
+ debug info with its own debug info. */
+/* Must pass -show instead of -v. */
+/* Must pass -G 0 to the assembler, otherwise we may get warnings about
+ GOT overflow. */
+#define ASM_SPEC "\
+%{!mgas: \
+ %{!.s:-nocpp} %{.s: %{cpp} %{nocpp}} \
+ %{pipe: %e-pipe is not supported.} \
+ %{K}} \
+%{G*} %{EB} %{EL} %{v:-show} \
+%{mips1} %{mips2} %{mips3} %{mips4} \
+%{!mips1: %{!mips2: %{!mips3: %{!mips4: -mips4}}}} \
+%{noasmopt:-O0} %{!noasmopt:%{O:-O2} %{O1:-O2} %{O2:-O2} %{O3:-O3}} \
+-g0 -G 0 %{membedded-pic}"
+
+#endif
+
+/* Stuff for constructors. Start here. */
+
+#define CONST_SECTION_ASM_OP_32 "\t.rdata"
+#define CONST_SECTION_ASM_OP_64 ".section\t.rodata"
+#define CTORS_SECTION_ASM_OP ".section\t.ctors,1,2,0,4"
+#define DTORS_SECTION_ASM_OP ".section\t.dtors,1,2,0,4"
+
+/* This is the pseudo-op used to generate a 32-bit word of data with a
+ specific value in some section. This is the same for all known svr4
+ assemblers. */
+
+#define INT_ASM_OP ".word"
+
+/* A default list of other sections which we might be "in" at any given
+ time. For targets that use additional sections (e.g. .tdesc) you
+ should override this definition in the target-specific file which
+ includes this file. */
+
+#undef EXTRA_SECTIONS
+#define EXTRA_SECTIONS in_sdata, in_rdata, in_const, in_ctors, in_dtors, in_bss
+
+/* A default list of extra section function definitions. For targets
+ that use additional sections (e.g. .tdesc) you should override this
+ definition in the target-specific file which includes this file. */
+
+/* ??? rdata_section is now same as svr4 const_section. */
+
+#undef EXTRA_SECTION_FUNCTIONS
+#define EXTRA_SECTION_FUNCTIONS \
+void \
+sdata_section () \
+{ \
+ if (in_section != in_sdata) \
+ { \
+ fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP); \
+ in_section = in_sdata; \
+ } \
+} \
+ \
+void \
+rdata_section () \
+{ \
+ if (in_section != in_rdata) \
+ { \
+ if (mips_isa >= 3) \
+ fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP_64); \
+ else \
+ fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP_32); \
+ in_section = in_rdata; \
+ } \
+} \
+ CTORS_SECTION_FUNCTION \
+ DTORS_SECTION_FUNCTION
+
+#define CTORS_SECTION_FUNCTION \
+void \
+ctors_section () \
+{ \
+ if (in_section != in_ctors) \
+ { \
+ fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \
+ in_section = in_ctors; \
+ } \
+}
+
+#define DTORS_SECTION_FUNCTION \
+void \
+dtors_section () \
+{ \
+ if (in_section != in_dtors) \
+ { \
+ fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \
+ in_section = in_dtors; \
+ } \
+}
+
+/* A C statement (sans semicolon) to output an element in the table of
+ global constructors. */
+#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
+ do { \
+ ctors_section (); \
+ fprintf (FILE, "\t%s\t ", INT_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, "\n"); \
+ } while (0)
+
+/* A C statement (sans semicolon) to output an element in the table of
+ global destructors. */
+#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
+ do { \
+ dtors_section (); \
+ fprintf (FILE, "\t%s\t ", INT_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, "\n"); \
+ } while (0)
+
+/* Stuff for constructors. End here. */
+
+/* ??? Perhaps just include svr4.h in this file? */
+
+/* ??? SGI assembler may core dump when compiling with -g.
+ Sometimes as succeeds, but then we get a linker error. (cmds.c in 072.sc)
+ Getting rid of .file solves both problems. */
+#undef ASM_OUTPUT_FILENAME
+#define ASM_OUTPUT_FILENAME(STREAM, NUM_SOURCE_FILENAMES, NAME) \
+do \
+ { \
+ fprintf (STREAM, "\t#.file\t%d ", NUM_SOURCE_FILENAMES); \
+ output_quoted_string (STREAM, NAME); \
+ fputs ("\n", STREAM); \
+ } \
+while (0)
+
+/* ??? SGI assembler gives warning whenever .lcomm is used. */
+#undef ASM_OUTPUT_LOCAL
+#define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN) \
+do \
+ { \
+ if (mips_isa >= 3) \
+ { \
+ fputs ("\t.section\t.bss\n", STREAM); \
+ ASM_DECLARE_OBJECT_NAME (STREAM, NAME, 0); \
+ ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT)); \
+ ASM_OUTPUT_SKIP (STREAM, SIZE); \
+ fprintf (STREAM, "\t%s\n", POPSECTION_ASM_OP); \
+ } \
+ else \
+ mips_declare_object (STREAM, NAME, "\n\t.lcomm\t", ",%u\n", (SIZE)); \
+ } \
+while (0)
+
+#undef ASM_OUTPUT_INTERNAL_LABEL
+#define ASM_OUTPUT_INTERNAL_LABEL(STREAM,PREFIX,NUM) \
+ fprintf (STREAM, ".%s%d:\n", PREFIX, NUM)
+
+/* This is how to store into the string LABEL
+ 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(LABEL,PREFIX,NUM) \
+ sprintf (LABEL, "*.%s%d", PREFIX, NUM)
+
+#undef STARTFILE_SPEC
+/* Profiling is supported via libprof1.a not -lc_p as in Irix 3. */
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC \
+ "%{mips1:%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}} \
+ %{mips2:%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}} \
+ %{!mips1:%{!mips2:%{pg:/usr/lib64/gcrt1.o}%{!pg:%{p:/usr/lib64/mcrt1.o /usr/lib64/libprof1.a}%{!p:/usr/lib64/crt1.o}}}}"
+
+#undef LIB_SPEC
+#define LIB_SPEC "%{p:libprof1.a%s}%{pg:libprof1.a%s} -lc"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC \
+ "%{mips1:crtn.o%s}%{mips2:crtn.o%s}%{!mips1:%{!mips2:/usr/lib64/crtn.o}}"
+
+#undef LINK_SPEC
+#define LINK_SPEC "\
+%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \
+%{bestGnum} %{shared} %{non_shared} \
+%{call_shared} %{no_archive} %{exact_version} \
+%{!shared: %{!non_shared: %{!call_shared: -call_shared -no_unresolved}}} \
+-_SYSTYPE_SVR4"
+
+/* ??? Debugging does not work. We get many assembler core dumps,
+ and even some linker core dumps. */
+#undef DBX_DEBUGGING_INFO
+#undef SDB_DEBUGGING_INFO
+#undef MIPS_DEBUGGING_INFO
+#undef DWARF_DEBUGGING_INFO
+#undef PREFERRED_DEBUGGING_TYPE
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