INVO_CONTEXT_BLK invo; \
\
memset (&invo, 0, sizeof INVO_CONTEXT_BLK); \
-/* Output variables, constants and external declarations, for GNU compiler.
- Copyright (C) 1996, 1997, 1998, 2000, 2001 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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-#define TARGET_OBJECT_SUFFIX ".obj"
-#define TARGET_EXECUTABLE_SUFFIX ".exe"
-
-/* This enables certain macros in alpha.h, which will make an indirect
- reference to an external symbol an invalid address. This needs to be
- defined before we include alpha.h, since it determines which macros
- are used for GO_IF_*. */
-
-#define NO_EXTERNAL_INDIRECT_ADDRESS
-
-#include "alpha/alpha.h"
-
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES \
-"-D__ALPHA -Dvms -DVMS -D__vms__ -D__VMS__ -Asystem=vms"
-
-#undef CPP_SUBTARGET_SPEC
-#define CPP_SUBTARGET_SPEC "\
-%{mfloat-ieee:-D__IEEE_FLOAT} \
-%{mfloat-vax:-D__G_FLOAT} \
-%{!mfloat-vax:-D__IEEE_FLOAT}"
-
-/* By default, allow $ to be part of an identifier. */
-#define DOLLARS_IN_IDENTIFIERS 2
-
-#undef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_FP|MASK_FPREGS|MASK_GAS)
-#undef TARGET_ABI_OPEN_VMS
-#define TARGET_ABI_OPEN_VMS 1
-
-#undef TARGET_NAME
-#define TARGET_NAME "OpenVMS/Alpha"
-#undef TARGET_VERSION
-#define TARGET_VERSION fprintf (stderr, " (%s)", TARGET_NAME);
-
-/* The structure return address arrives as an "argument" on VMS. */
-#undef STRUCT_VALUE_REGNUM
-#define STRUCT_VALUE 0
-#undef PCC_STATIC_STRUCT_RETURN
-
-/* "long" is 32 bits, but 64 bits for Ada. */
-#undef LONG_TYPE_SIZE
-#define LONG_TYPE_SIZE 32
-#define ADA_LONG_TYPE_SIZE 64
-
-/* Pointer is 32 bits but the hardware has 64-bit addresses, sign extended. */
-#undef POINTER_SIZE
-#define POINTER_SIZE 32
-#define POINTERS_EXTEND_UNSIGNED 0
-
-#define MAX_OFILE_ALIGNMENT 524288 /* 8 x 2^16 by DEC Ada Test CD40VRA */
-
-#undef FIXED_REGISTERS
-#define FIXED_REGISTERS \
- {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, \
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 }
-
-#undef CALL_USED_REGISTERS
-#define CALL_USED_REGISTERS \
- {1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
- 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, \
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }
-
-/* List the order in which to allocate registers. Each register must be
- listed once, even those in FIXED_REGISTERS.
-
- We allocate in the following order:
- $f1 (nonsaved floating-point register)
- $f10-$f15 (likewise)
- $f22-$f30 (likewise)
- $f21-$f16 (likewise, but input args)
- $f0 (nonsaved, but return value)
- $f2-$f9 (saved floating-point registers)
- $1 (nonsaved integer registers)
- $22-$25 (likewise)
- $28 (likewise)
- $0 (likewise, but return value)
- $21-$16 (likewise, but input args)
- $27 (procedure value in OSF, nonsaved in NT)
- $2-$8 (saved integer registers)
- $9-$14 (saved integer registers)
- $26 (return PC)
- $15 (frame pointer)
- $29 (global pointer)
- $30, $31, $f31 (stack pointer and always zero/ap & fp) */
-
-#undef REG_ALLOC_ORDER
-#define REG_ALLOC_ORDER \
- {33, \
- 42, 43, 44, 45, 46, 47, \
- 54, 55, 56, 57, 58, 59, 60, 61, 62, \
- 53, 52, 51, 50, 49, 48, \
- 32, \
- 34, 35, 36, 37, 38, 39, 40, 41, \
- 1, \
- 22, 23, 24, 25, \
- 28, \
- 0, \
- 21, 20, 19, 18, 17, 16, \
- 27, \
- 2, 3, 4, 5, 6, 7, 8, \
- 9, 10, 11, 12, 13, 14, \
- 26, \
- 15, \
- 29, \
- 30, 31, 63 }
-
-#undef HARD_FRAME_POINTER_REGNUM
-#define HARD_FRAME_POINTER_REGNUM 29
-
-/* Define registers used by the epilogue and return instruction. */
-#undef EPILOGUE_USES
-#define EPILOGUE_USES(REGNO) ((REGNO) == 26 || (REGNO) == 29)
-
-#undef CAN_ELIMINATE
-#define CAN_ELIMINATE(FROM, TO) \
-((TO) != STACK_POINTER_REGNUM || ! alpha_using_fp ())
-
-#undef INITIAL_ELIMINATION_OFFSET
-#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
-{ if ((FROM) == FRAME_POINTER_REGNUM) \
- (OFFSET) = alpha_sa_size () + alpha_pv_save_size (); \
- else if ((FROM) == ARG_POINTER_REGNUM) \
- (OFFSET) = (ALPHA_ROUND (alpha_sa_size () + alpha_pv_save_size () \
- + get_frame_size () \
- + current_function_pretend_args_size) \
- - current_function_pretend_args_size); \
- else \
- abort(); \
- if ((TO) == STACK_POINTER_REGNUM) \
- (OFFSET) += ALPHA_ROUND (current_function_outgoing_args_size); \
-}
-\f
-/* Define a data type for recording info about an argument list
- during the scan of that argument list. This data type should
- hold all necessary information about the function itself
- and about the args processed so far, enough to enable macros
- such as FUNCTION_ARG to determine where the next arg should go.
-
- On Alpha/VMS, this is a structure that contains the number of
- arguments and, for each argument, the datatype of that argument.
-
- The number of arguments is a number of words of arguments scanned so far.
- Thus 6 or more means all following args should go on the stack. */
-
-enum avms_arg_type {I64, FF, FD, FG, FS, FT};
-typedef struct {int num_args; enum avms_arg_type atypes[6];} avms_arg_info;
-
-#undef CUMULATIVE_ARGS
-#define CUMULATIVE_ARGS avms_arg_info
-
-/* Initialize a variable CUM of type CUMULATIVE_ARGS
- for a call to a function whose data type is FNTYPE.
- For a library call, FNTYPE is 0. */
-
-#undef INIT_CUMULATIVE_ARGS
-#define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME,INDIRECT) \
- (CUM).num_args = 0; \
- (CUM).atypes[0] = (CUM).atypes[1] = (CUM).atypes[2] = I64; \
- (CUM).atypes[3] = (CUM).atypes[4] = (CUM).atypes[5] = I64;
-
-#undef FUNCTION_ARG_ADVANCE
-#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \
- if (MUST_PASS_IN_STACK (MODE, TYPE)) \
- (CUM).num_args += 6; \
- else \
- { \
- if ((CUM).num_args < 6) \
- (CUM).atypes[(CUM).num_args] = alpha_arg_type (MODE); \
- \
- (CUM).num_args += ALPHA_ARG_SIZE (MODE, TYPE, NAMED); \
- }
-
-/* For an arg passed partly in registers and partly in memory,
- this is the number of registers used.
- For args passed entirely in registers or entirely in memory, zero. */
-
-#undef FUNCTION_ARG_PARTIAL_NREGS
-#define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) \
-((CUM).num_args < 6 && 6 < (CUM).num_args \
- + ALPHA_ARG_SIZE (MODE, TYPE, NAMED) \
- ? 6 - (CUM).num_args : 0)
-
-/* Perform any needed actions needed for a function that is receiving a
- variable number of arguments.
-
- CUM is as for INIT_CUMULATIVE_ARGS.
-
- MODE and TYPE are the mode and type of the current parameter.
-
- PRETEND_SIZE is a variable that should be set to the amount of stack
- that must be pushed by the prolog to pretend that our caller pushed
- it.
-
- Normally, this macro will push all remaining incoming registers on the
- stack and set PRETEND_SIZE to the length of the registers pushed.
-
- For VMS, we allocate space for all 6 arg registers plus a count.
-
- However, if NO registers need to be saved, don't allocate any space.
- This is not only because we won't need the space, but because AP includes
- the current_pretend_args_size and we don't want to mess up any
- ap-relative addresses already made. */
-
-#undef SETUP_INCOMING_VARARGS
-#define SETUP_INCOMING_VARARGS(CUM,MODE,TYPE,PRETEND_SIZE,NO_RTL) \
-{ if ((CUM).num_args < 6) \
- { \
- if (! (NO_RTL)) \
- { \
- emit_move_insn (gen_rtx_REG (DImode, 1), \
- virtual_incoming_args_rtx); \
- emit_insn (gen_arg_home ()); \
- } \
- \
- PRETEND_SIZE = 7 * UNITS_PER_WORD; \
- } \
-}
-
-/* ABI has stack checking, but it's broken. */
-#undef STACK_CHECK_BUILTIN
-#define STACK_CHECK_BUILTIN 0
-
-#undef ASM_FILE_START
-#define ASM_FILE_START(FILE) \
-{ \
- alpha_write_verstamp (FILE); \
- fprintf (FILE, "\t.set noreorder\n"); \
- fprintf (FILE, "\t.set volatile\n"); \
- ASM_OUTPUT_SOURCE_FILENAME (FILE, main_input_filename); \
-}
-
-#define LINK_SECTION_ASM_OP "\t.link"
-#define READONLY_SECTION_ASM_OP "\t.rdata"
-#define LITERALS_SECTION_ASM_OP "\t.literals"
-#define CTORS_SECTION_ASM_OP "\t.ctors"
-#define DTORS_SECTION_ASM_OP "\t.dtors"
-
-#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS in_link, in_rdata, in_literals
-
-#undef EXTRA_SECTION_FUNCTIONS
-#define EXTRA_SECTION_FUNCTIONS \
-void \
-readonly_section () \
-{ \
- if (in_section != in_rdata) \
- { \
- fprintf (asm_out_file, "%s\n", READONLY_SECTION_ASM_OP); \
- in_section = in_rdata; \
- } \
-} \
-void \
-link_section () \
-{ \
- if (in_section != in_link) \
- { \
- fprintf (asm_out_file, "%s\n", LINK_SECTION_ASM_OP); \
- in_section = in_link; \
- } \
-} \
-void \
-literals_section () \
-{ \
- if (in_section != in_literals) \
- { \
- fprintf (asm_out_file, "%s\n", LITERALS_SECTION_ASM_OP); \
- in_section = in_literals; \
- } \
-}
-
-extern void readonly_section PARAMS ((void));
-extern void link_section PARAMS ((void));
-extern void literals_section PARAMS ((void));
-
-#undef ASM_OUTPUT_ADDR_DIFF_ELT
-#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) abort ()
-
-#undef ASM_OUTPUT_ADDR_VEC_ELT
-#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
- fprintf (FILE, "\t.quad $L%d\n", (VALUE))
-
-#undef READONLY_DATA_SECTION
-#define READONLY_DATA_SECTION readonly_section
-
-#define ASM_FILE_END(FILE) alpha_write_linkage (FILE);
-
-#undef CASE_VECTOR_MODE
-#define CASE_VECTOR_MODE DImode
-#undef CASE_VECTOR_PC_RELATIVE
-
-#undef ASM_OUTPUT_CASE_LABEL
-#define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLEINSN) \
-{ ASM_OUTPUT_ALIGN (FILE, 3); ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM); }
-
-/* This says how to output assembler code to declare an
- uninitialized external linkage data object. */
-
-#define COMMON_ASM_OP "\t.comm\t"
-
-#undef ASM_OUTPUT_ALIGNED_COMMON
-#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
-do { \
- fprintf ((FILE), "%s", COMMON_ASM_OP); \
- assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT); \
-} while (0)
-
-\f
-/* Output assembler code for a block containing the constant parts
- of a trampoline, leaving space for the variable parts.
-
- The trampoline should set the static chain pointer to value placed
- into the trampoline and should branch to the specified routine.
- Note that $27 has been set to the address of the trampoline, so we can
- use it for addressability of the two data items. */
-
-#undef TRAMPOLINE_TEMPLATE
-#define TRAMPOLINE_TEMPLATE(FILE) \
-{ \
- fprintf (FILE, "\t.quad 0\n"); \
- fprintf (FILE, "\t.linkage __tramp\n"); \
- fprintf (FILE, "\t.quad 0\n"); \
-}
-
-/* Length in units of the trampoline for entering a nested function. */
-
-#undef TRAMPOLINE_SIZE
-#define TRAMPOLINE_SIZE 32
-
-/* The alignment of a trampoline, in bits. */
-
-#undef TRAMPOLINE_ALIGNMENT
-#define TRAMPOLINE_ALIGNMENT 64
-
-/* Emit RTL insns to initialize the variable parts of a trampoline.
- FNADDR is an RTX for the address of the function's pure code.
- CXT is an RTX for the static chain value for the function. */
-
-#undef INITIALIZE_TRAMPOLINE
-#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \
- alpha_initialize_trampoline (TRAMP, FNADDR, CXT, 16, 24, -1)
-
-/* Control how constructors and destructors are emitted. */
-#define TARGET_ASM_CONSTRUCTOR vms_asm_out_constructor
-#define TARGET_ASM_DESTRUCTOR vms_asm_out_destructor
-
-#undef SDB_DEBUGGING_INFO
-#undef MIPS_DEBUGGING_INFO
-#undef DBX_DEBUGGING_INFO
-
-#define DWARF2_DEBUGGING_INFO
-#define VMS_DEBUGGING_INFO
-
-#define DWARF2_UNWIND_INFO 1
-
-#undef EH_RETURN_HANDLER_RTX
-#define EH_RETURN_HANDLER_RTX \
- gen_rtx_MEM (Pmode, plus_constant (stack_pointer_rtx, 8))
-
-#define LINK_EH_SPEC "vms-dwarf2eh.o%s"
-
-#ifdef IN_LIBGCC2
-#include <libicb.h>
-#include <pdscdef.h>
-#endif
-
-#define MD_FALLBACK_FRAME_STATE_FOR(CONTEXT, FS, SUCCESS) \
- do { \
- unsigned long handle; \
- PDSCDEF *pv; \
- INVO_CONTEXT_BLK invo; \
\
invo.libicb$q_ireg [29] = *((long long *) (CONTEXT)->reg [29]); \
invo.libicb$q_ireg [30] = (long long) (CONTEXT)->cfa \
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