/* Output variables, constants and external declarations, for GNU compiler.
- Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 2000, 2001, 2002, 2004, 2005, 2007, 2008,
+ 2009
+ Free Software Foundation, Inc.
-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/>. */
-#define OPEN_VMS 1
+#define TARGET_OBJECT_SUFFIX ".obj"
+#define TARGET_EXECUTABLE_SUFFIX ".exe"
+
+/* Alpha/VMS object format is not really Elf, but this makes compiling
+ crtstuff.c and dealing with shared library initialization much easier. */
+#define OBJECT_FORMAT_ELF
/* This enables certain macros in alpha.h, which will make an indirect
reference to an external symbol an invalid address. This needs to be
#define NO_EXTERNAL_INDIRECT_ADDRESS
-#include "alpha/alpha.h"
-
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES \
-"-Dalpha -D__ALPHA -Dvms -DVMS -D__alpha__ -D__alpha -D__vms__ -D__VMS__\
- -Asystem(vms) -Acpu(alpha) -Amachine(alpha)"
-
-#undef CPP_SPEC
-#define CPP_SPEC "\
-%{mfloat-ieee:-D__IEEE_FLOAT} \
-%{mfloat-vax:-D__G_FLOAT} \
-%{!mfloat-vax:-D__IEEE_FLOAT} \
-%{!.S: -D__LANGUAGE_C__ -D__LANGUAGE_C %{!ansi:-DLANGUAGE_C}} \
-%{.S: -D__LANGUAGE_ASSEMBLY__ -D__LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
-%{.cc: -D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS -D__cplusplus} \
-%{.cxx: -D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS -D__cplusplus} \
-%{.C: -D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS -D__cplusplus} \
-%{.m: -D__LANGUAGE_OBJECTIVE_C__ -D__LANGUAGE_OBJECTIVE_C}"
-
-/* Under OSF4, -p and -pg require -lprof1, and -lprof1 requires -lpdf. */
-
-#define LIB_SPEC "%{p:-lprof1 -lpdf} %{pg:-lprof1 -lpdf} %{a:-lprof2} -lc"
-
-/* Pass "-G 8" to ld because Alpha's CC does. Pass -O3 if we are
- optimizing, -O1 if we are not. Pass -shared, -non_shared or
- -call_shared as appropriate. Also pass -pg. */
-#define LINK_SPEC \
- "-G 8 %{O*:-O3} %{!O*:-O1} %{static:-non_shared} \
- %{!static:%{shared:-shared} %{!shared:-call_shared}} %{pg} %{taso} \
- %{rpath*}"
-
-/* We allow $'s in identifiers unless -ansi is used .. */
-
-#define DOLLARS_IN_IDENTIFIERS 2
-
-/* These match the definitions used in DECCRTL, the VMS C run-time library
-
-#define SIZE_TYPE "unsigned int"
-#define PTRDIFF_TYPE "int"
-*/
-
-/* Use memcpy for structure copying, and so forth. */
-#define TARGET_MEM_FUNCTIONS
-
-/* By default, allow $ to be part of an identifier. */
-#define DOLLARS_IN_IDENTIFIERS 2
+#define TARGET_OS_CPP_BUILTINS() \
+ do { \
+ builtin_define_std ("vms"); \
+ builtin_define_std ("VMS"); \
+ builtin_define ("__ALPHA"); \
+ builtin_assert ("system=vms"); \
+ if (TARGET_FLOAT_VAX) \
+ builtin_define ("__G_FLOAT"); \
+ else \
+ builtin_define ("__IEEE_FLOAT"); \
+ } while (0)
#undef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_FP|MASK_FPREGS|MASK_GAS|MASK_OPEN_VMS)
+#define TARGET_DEFAULT (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
+#define VMS_DEBUG_MAIN_POINTER "TRANSFER$BREAK$GO"
-/* no floating emulation. */
-#undef REAL_ARITHMETIC
+#undef PCC_STATIC_STRUCT_RETURN
-/* "long" is 32 bits. */
+/* "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. */
+/* 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 HANDLE_SYSV_PRAGMA 1
+
#define MAX_OFILE_ALIGNMENT 524288 /* 8 x 2^16 by DEC Ada Test CD40VRA */
+/* The maximum alignment 'malloc' honors. */
+#undef MALLOC_ALIGNMENT
+#define MALLOC_ALIGNMENT ((TARGET_MALLOC64 ? 16 : 8) * BITS_PER_UNIT)
+
#undef FIXED_REGISTERS
#define FIXED_REGISTERS \
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
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); \
+{ switch (FROM) \
+ { \
+ case FRAME_POINTER_REGNUM: \
+ (OFFSET) = alpha_sa_size () + alpha_pv_save_size (); \
+ break; \
+ case ARG_POINTER_REGNUM: \
+ (OFFSET) = (ALPHA_ROUND (alpha_sa_size () + alpha_pv_save_size () \
+ + get_frame_size () \
+ + crtl->args.pretend_args_size) \
+ - crtl->args.pretend_args_size); \
+ break; \
+ default: \
+ gcc_unreachable (); \
+ } \
if ((TO) == STACK_POINTER_REGNUM) \
- (OFFSET) += ALPHA_ROUND (current_function_outgoing_args_size); \
+ (OFFSET) += ALPHA_ROUND (crtl->outgoing_args_size); \
}
\f
/* Define a data type for recording info about an argument list
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 {char num_args; enum avms_arg_type atypes[6];} avms_arg_info;
+typedef struct {int num_args; enum avms_arg_type atypes[6];} avms_arg_info;
#undef CUMULATIVE_ARGS
#define CUMULATIVE_ARGS avms_arg_info
For a library call, FNTYPE is 0. */
#undef INIT_CUMULATIVE_ARGS
-#define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME,INDIRECT) \
+#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \
(CUM).num_args = 0; \
(CUM).atypes[0] = (CUM).atypes[1] = (CUM).atypes[2] = I64; \
(CUM).atypes[3] = (CUM).atypes[4] = (CUM).atypes[5] = I64;
-/* Update the data in CUM to advance over an argument
- of mode MODE and data type TYPE.
- (TYPE is null for libcalls where that information may not be available.) */
-
-extern enum avms_arg_type alpha_arg_type ();
-
-/* Determine where to put an argument to a function.
- Value is zero to push the argument on the stack,
- or a hard register in which to store the argument.
-
- MODE is the argument's machine mode (or VOIDmode for no more args).
- TYPE is the data type of the argument (as a tree).
- This is null for libcalls where that information may
- not be available.
- CUM is a variable of type CUMULATIVE_ARGS which gives info about
- the preceding args and about the function being called.
- NAMED is nonzero if this argument is a named parameter
- (otherwise it is an extra parameter matching an ellipsis).
-
- On Alpha the first 6 words of args are normally in registers
- and the rest are pushed. */
-
-extern struct rtx_def *alpha_arg_info_reg_val ();
-#undef FUNCTION_ARG
-#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
-((MODE) == VOIDmode ? alpha_arg_info_reg_val (CUM) \
- : ((CUM.num_args) < 6 && ! MUST_PASS_IN_STACK (MODE, TYPE) \
- ? gen_rtx(REG, (MODE), \
- ((CUM).num_args + 16 \
- + ((TARGET_FPREGS \
- && (GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT \
- || GET_MODE_CLASS (MODE) == MODE_FLOAT)) \
- * 32))) \
- : 0))
-
#undef FUNCTION_ARG_ADVANCE
#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \
- if (MUST_PASS_IN_STACK (MODE, TYPE)) \
+ if (targetm.calls.must_pass_in_stack (MODE, TYPE)) \
(CUM).num_args += 6; \
else \
{ \
(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); \
-}
+#undef ASM_WEAKEN_LABEL
+#define ASM_WEAKEN_LABEL(FILE, NAME) \
+ do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
+ fputc ('\n', FILE); } while (0)
-#undef ASM_OUTPUT_FLOAT
-#define ASM_OUTPUT_FLOAT(FILE,VALUE) \
- { \
- if (REAL_VALUE_ISINF (VALUE) \
- || REAL_VALUE_ISNAN (VALUE) \
- || REAL_VALUE_MINUS_ZERO (VALUE)) \
- { \
- long t; \
- REAL_VALUE_TO_TARGET_SINGLE ((VALUE), t); \
- fprintf (FILE, "\t.long 0x%lx\n", t & 0xffffffff); \
- } \
- else \
- { \
- char str[30]; \
- REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", str); \
- fprintf (FILE, "\t.%c_floating %s\n", (TARGET_FLOAT_VAX)?'f':'s', str); \
- } \
- }
-
-#define LINK_SECTION_ASM_OP ".link"
-#define READONLY_SECTION_ASM_OP ".rdata"
-#define LITERALS_SECTION_ASM_OP ".literals"
-
-#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; \
- } \
-}
+#define READONLY_DATA_SECTION_ASM_OP "\t.rdata"
+#define CTORS_SECTION_ASM_OP "\t.ctors"
+#define DTORS_SECTION_ASM_OP "\t.dtors"
+#define SDATA_SECTION_ASM_OP "\t.sdata"
+#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \
+ asm (SECTION_OP "\n\t.long " #FUNC"\n");
#undef ASM_OUTPUT_ADDR_DIFF_ELT
-#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) abort ()
+#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) gcc_unreachable ()
#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); }
+{ ASM_OUTPUT_ALIGN (FILE, 3); (*targetm.asm_out.internal_label) (FILE, PREFIX, NUM); }
-#define NO_MD_PROTOTYPES
-\f
-/* Output assembler code for a block containing the constant parts
- of a trampoline, leaving space for the variable parts.
+/* This says how to output assembler code to declare an
+ uninitialized external linkage data object. */
- 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. Trampolines are always
- aligned to FUNCTION_BOUNDARY, which is 64 bits. */
+#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), "," HOST_WIDE_INT_PRINT_UNSIGNED ",%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT); \
+} while (0)
+
+\f
#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) \
-{ \
- emit_move_insn (gen_rtx (MEM, Pmode, \
- memory_address (Pmode, \
- plus_constant ((TRAMP), 16))), \
- (FNADDR)); \
- emit_move_insn (gen_rtx (MEM, Pmode, \
- memory_address (Pmode, \
- plus_constant ((TRAMP), 24))), \
- (CXT)); \
-}
+#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \
+ alpha_initialize_trampoline (TRAMP, FNADDR, CXT, 16, 24, -1)
-#undef TRANSFER_FROM_TRAMPOLINE
-
-#define VALID_MACHINE_DECL_ATTRIBUTE(DECL, ATTRIBUTES, NAME, ARGS) \
- (vms_valid_decl_attribute_p (DECL, ATTRIBUTES, NAME, ARGS))
-extern int vms_valid_decl_attribute_p ();
+/* 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 DWARF2_DEBUGGING_INFO 1
+#define VMS_DEBUGGING_INFO 1
+
+#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 "
+#define LINK_GCC_C_SEQUENCE_SPEC "%G"
+
+#ifdef IN_LIBGCC2
+/* Get the definition for MD_FALLBACK_FRAME_STATE_FOR from a separate
+ file. This avoids having to recompile the world instead of libgcc only
+ when changes to this macro are exercised. */
+
+#define MD_UNWIND_SUPPORT "config/alpha/vms-unwind.h"
+#endif
+
+#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
+ avms_asm_output_external (FILE, DECL, NAME)
+
+typedef struct crtl_name_spec
+{
+ const char *const name;
+ const char *deccname;
+ int referenced;
+} crtl_name_spec;
+
+#include "config/vms/vms-crtl.h"
+
+/* Alias CRTL names to 32/64bit DECCRTL functions.
+ Fixme: This should do a binary search. */
+#define DO_CRTL_NAMES \
+ do \
+ { \
+ int i; \
+ static crtl_name_spec vms_crtl_names[] = CRTL_NAMES; \
+ static int malloc64_init = 0; \
+ \
+ if ((malloc64_init == 0) && TARGET_MALLOC64) \
+ { \
+ for (i=0; vms_crtl_names [i].name; i++) \
+ { \
+ if (strcmp ("calloc", vms_crtl_names [i].name) == 0) \
+ vms_crtl_names [i].deccname = "decc$_calloc64"; \
+ else \
+ if (strcmp ("malloc", vms_crtl_names [i].name) == 0) \
+ vms_crtl_names [i].deccname = "decc$_malloc64"; \
+ else \
+ if (strcmp ("realloc", vms_crtl_names [i].name) == 0) \
+ vms_crtl_names [i].deccname = "decc$_realloc64"; \
+ else \
+ if (strcmp ("strdup", vms_crtl_names [i].name) == 0) \
+ vms_crtl_names [i].deccname = "decc$_strdup64"; \
+ } \
+ malloc64_init = 1; \
+ } \
+ for (i=0; vms_crtl_names [i].name; i++) \
+ if (!vms_crtl_names [i].referenced && \
+ (strcmp (name, vms_crtl_names [i].name) == 0)) \
+ { \
+ fprintf (file, "\t%s=%s\n", \
+ name, vms_crtl_names [i].deccname); \
+ vms_crtl_names [i].referenced = 1; \
+ } \
+ } while (0)
/* This is how to output an assembler line
that says to advance the location counter
#define ASM_OUTPUT_ALIGN(FILE,LOG) \
fprintf (FILE, "\t.align %d\n", LOG);
-#define UNALIGNED_SHORT_ASM_OP ".word"
-#define UNALIGNED_INT_ASM_OP ".long"
-#define UNALIGNED_DOUBLE_INT_ASM_OP ".quad"
-
-#undef ASM_OUTPUT_ALIGNED_COMMON
-#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
-do { \
- fprintf ((FILE), "\t.comm\t"); \
- assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT); \
-} while (0)
-
-#define ASM_OUTPUT_SECTION(FILE,SECTION) \
- (strcmp (SECTION, ".text") == 0) \
- ? text_section () \
- : named_section (NULL_TREE, SECTION, 0), \
- ASM_OUTPUT_ALIGN (FILE, 0) \
-
-#define ASM_OUTPUT_SECTION_NAME(FILE,DECL,NAME,RELOC) \
- do \
- { \
- char *flags; \
- int ovr = 0; \
- if (DECL && DECL_MACHINE_ATTRIBUTES (DECL) \
- && lookup_attribute \
- ("overlaid", DECL_MACHINE_ATTRIBUTES (DECL))) \
- flags = ",OVR", ovr = 1; \
- else if (strncmp (NAME,".debug", 6) == 0) \
- flags = ",NOWRT"; \
- else \
- flags = ""; \
- fputc ('\n', (FILE)); \
- fprintf (FILE, ".section\t%s%s\n", NAME, flags); \
- if (ovr) \
- (NAME) = ""; \
- } while (0)
+/* Switch into a generic section. */
+#define TARGET_ASM_NAMED_SECTION vms_asm_named_section
#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
- do { literals_section(); \
+ do { fprintf ((FILE), "\t.literals\n"); \
+ in_section = NULL; \
fprintf ((FILE), "\t"); \
assemble_name (FILE, LABEL1); \
fprintf (FILE, " = "); \
} while (0)
#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+#define PREFERRED_DEBUGGING_TYPE VMS_AND_DWARF2_DEBUG
+
+#define ASM_PN_FORMAT "%s___%lu"
-#undef ASM_FORMAT_PRIVATE_NAME
-#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
-( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 12), \
- sprintf ((OUTPUT), "%s___%d", (NAME), (LABELNO)))
+/* ??? VMS uses different linkage. */
+#undef TARGET_ASM_OUTPUT_MI_THUNK
#undef ASM_SPEC
#undef ASM_FINAL_SPEC
+
+/* The VMS convention is to always provide minimal debug info
+ for a traceback unless specifically overridden. Defaulting this here
+ is a kludge. */
+
+#define OPTIMIZATION_OPTIONS(OPTIMIZE, OPTIMIZE_SIZE) \
+{ \
+ write_symbols = VMS_DEBUG; \
+ debug_info_level = (enum debug_info_level) 1; \
+}
+
+/* Override traceback debug info on -g0. */
+#undef OVERRIDE_OPTIONS
+#define OVERRIDE_OPTIONS \
+{ \
+ if (write_symbols == NO_DEBUG) \
+ debug_info_level = (enum debug_info_level) 0; \
+ override_options (); \
+}
+
+/* Link with vms-dwarf2.o if -g (except -g0). This causes the
+ VMS link to pull all the dwarf2 debug sections together. */
#undef LINK_SPEC
+#define LINK_SPEC "%{g:-g vms-dwarf2.o%s} %{g0} %{g1:-g1 vms-dwarf2.o%s} \
+%{g2:-g2 vms-dwarf2.o%s} %{g3:-g3 vms-dwarf2.o%s} %{shared} %{v} %{map}"
+
#undef STARTFILE_SPEC
-#define ASM_SPEC "-nocpp %{pg}"
-#define LINK_SPEC "%{g3:-g3} %{g0:-g0} %{shared:-shared} %{v:-v}"
-
-/* Define the names of the division and modulus functions. */
-#define DIVSI3_LIBCALL "OTS$DIV_I"
-#define DIVDI3_LIBCALL "OTS$DIV_L"
-#define UDIVSI3_LIBCALL "OTS$DIV_UI"
-#define UDIVDI3_LIBCALL "OTS$DIV_UL"
-#define MODSI3_LIBCALL "OTS$REM_I"
-#define MODDI3_LIBCALL "OTS$REM_L"
-#define UMODSI3_LIBCALL "OTS$REM_UI"
-#define UMODDI3_LIBCALL "OTS$REM_UL"
-
-#define DIR_SEPARATOR ']'
+#define STARTFILE_SPEC \
+"%{!shared:%{mvms-return-codes:vcrt0.o%s} %{!mvms-return-codes:pcrt0.o%s} \
+ crtbegin.o%s} \
+ %{!static:%{shared:crtbeginS.o%s}}"
+
+#define ENDFILE_SPEC \
+"%{!shared:crtend.o%s} %{!static:%{shared:crtendS.o%s}}"
+
+#define NAME__MAIN "__gccmain"
+#define SYMBOL__MAIN __gccmain
+
+#define INIT_SECTION_ASM_OP "\t.section LIB$INITIALIZE,GBL,NOWRT"
+
+#define LONGLONG_STANDALONE 1
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