diff options
Diffstat (limited to 'contrib/gcc/config/alpha/vms.h')
-rw-r--r-- | contrib/gcc/config/alpha/vms.h | 450 |
1 files changed, 0 insertions, 450 deletions
diff --git a/contrib/gcc/config/alpha/vms.h b/contrib/gcc/config/alpha/vms.h deleted file mode 100644 index f7058f3..0000000 --- a/contrib/gcc/config/alpha/vms.h +++ /dev/null @@ -1,450 +0,0 @@ -/* Output variables, constants and external declarations, for GNU compiler. - Copyright (C) 1996, 1997, 1998, 2000, 2001, 2002, 2004 - Free Software Foundation, Inc. - -This file is part of GCC. - -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) -any later version. - -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 GCC; 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 - -#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) -#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); - -#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); \ -} - -/* 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, 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; - -#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) - -/* ABI has stack checking, but it's broken. */ -#undef STACK_CHECK_BUILTIN -#define STACK_CHECK_BUILTIN 0 - -#define LINK_SECTION_ASM_OP "\t.link" -#define READONLY_DATA_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_literals - -#undef EXTRA_SECTION_FUNCTIONS -#define EXTRA_SECTION_FUNCTIONS \ -void \ -link_section (void) \ -{ \ - if (in_section != in_link) \ - { \ - fprintf (asm_out_file, "%s\n", LINK_SECTION_ASM_OP); \ - in_section = in_link; \ - } \ -} \ -void \ -literals_section (void) \ -{ \ - if (in_section != in_literals) \ - { \ - fprintf (asm_out_file, "%s\n", LITERALS_SECTION_ASM_OP); \ - in_section = in_literals; \ - } \ -} - -extern void link_section (void); -extern void literals_section (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 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); (*targetm.asm_out.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), "," HOST_WIDE_INT_PRINT_UNSIGNED ",%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT); \ -} while (0) - - -/* 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 $27 has been set to the address of the trampoline, so we can - use it for addressability of the two data items. */ - -#undef TRAMPOLINE_TEMPLATE -#define TRAMPOLINE_TEMPLATE(FILE) \ -{ \ - fprintf (FILE, "\t.quad 0\n"); \ - fprintf (FILE, "\t.linkage __tramp\n"); \ - fprintf (FILE, "\t.quad 0\n"); \ -} - -/* Length in units of the trampoline for entering a nested function. */ - -#undef TRAMPOLINE_SIZE -#define TRAMPOLINE_SIZE 32 - -/* The alignment of a trampoline, in bits. */ - -#undef TRAMPOLINE_ALIGNMENT -#define TRAMPOLINE_ALIGNMENT 64 - -/* Emit RTL insns to initialize the variable parts of a trampoline. - FNADDR is an RTX for the address of the function's pure code. - CXT is an RTX for the static chain value for the function. */ - -#undef INITIALIZE_TRAMPOLINE -#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \ - alpha_initialize_trampoline (TRAMP, FNADDR, CXT, 16, 24, -1) - -/* Control how constructors and destructors are emitted. */ -#define TARGET_ASM_CONSTRUCTOR vms_asm_out_constructor -#define TARGET_ASM_DESTRUCTOR vms_asm_out_destructor - -#undef SDB_DEBUGGING_INFO -#undef MIPS_DEBUGGING_INFO -#undef DBX_DEBUGGING_INFO - -#define DWARF2_DEBUGGING_INFO 1 -#define VMS_DEBUGGING_INFO 1 - -#define DWARF2_UNWIND_INFO 1 - -#undef EH_RETURN_HANDLER_RTX -#define EH_RETURN_HANDLER_RTX \ - gen_rtx_MEM (Pmode, plus_constant (stack_pointer_rtx, 8)) - -#define LINK_EH_SPEC "vms-dwarf2eh.o%s " - -#ifdef IN_LIBGCC2 -#include <pdscdef.h> - -#define MD_FALLBACK_FRAME_STATE_FOR(CONTEXT, FS, SUCCESS) \ - do { \ - PDSCDEF *pv = *((PDSCDEF **) (CONTEXT)->reg [29]); \ - \ - if (pv && ((long) pv & 0x7) == 0) /* low bits 0 means address */ \ - pv = *(PDSCDEF **) pv; \ - \ - if (pv && ((pv->pdsc$w_flags & 0xf) == PDSC$K_KIND_FP_STACK)) \ - { \ - int i, j; \ - \ - (FS)->cfa_offset = pv->pdsc$l_size; \ - (FS)->cfa_reg = pv->pdsc$w_flags & PDSC$M_BASE_REG_IS_FP ? 29 : 30; \ - (FS)->retaddr_column = 26; \ - (FS)->cfa_how = CFA_REG_OFFSET; \ - (FS)->regs.reg[27].loc.offset = -pv->pdsc$l_size; \ - (FS)->regs.reg[27].how = REG_SAVED_OFFSET; \ - (FS)->regs.reg[26].loc.offset \ - = -(pv->pdsc$l_size - pv->pdsc$w_rsa_offset); \ - (FS)->regs.reg[26].how = REG_SAVED_OFFSET; \ - \ - for (i = 0, j = 0; i < 32; i++) \ - if (1<<i & pv->pdsc$l_ireg_mask) \ - { \ - (FS)->regs.reg[i].loc.offset \ - = -(pv->pdsc$l_size - pv->pdsc$w_rsa_offset - 8 * ++j); \ - (FS)->regs.reg[i].how = REG_SAVED_OFFSET; \ - } \ - \ - goto SUCCESS; \ - } \ - else if (pv && ((pv->pdsc$w_flags & 0xf) == PDSC$K_KIND_FP_REGISTER)) \ - { \ - (FS)->cfa_offset = pv->pdsc$l_size; \ - (FS)->cfa_reg = pv->pdsc$w_flags & PDSC$M_BASE_REG_IS_FP ? 29 : 30; \ - (FS)->retaddr_column = 26; \ - (FS)->cfa_how = CFA_REG_OFFSET; \ - (FS)->regs.reg[26].loc.reg = pv->pdsc$b_save_ra; \ - (FS)->regs.reg[26].how = REG_SAVED_REG; \ - (FS)->regs.reg[29].loc.reg = pv->pdsc$b_save_fp; \ - (FS)->regs.reg[29].how = REG_SAVED_REG; \ - \ - goto SUCCESS; \ - } \ -} while (0) -#endif - -/* This is how to output an assembler line - that says to advance the location counter - to a multiple of 2**LOG bytes. */ - -#undef ASM_OUTPUT_ALIGN -#define ASM_OUTPUT_ALIGN(FILE,LOG) \ - fprintf (FILE, "\t.align %d\n", LOG); - -/* Switch into a generic section. */ -#define TARGET_ASM_NAMED_SECTION vms_asm_named_section - -#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \ - do { literals_section(); \ - fprintf ((FILE), "\t"); \ - assemble_name (FILE, LABEL1); \ - fprintf (FILE, " = "); \ - assemble_name (FILE, LABEL2); \ - fprintf (FILE, "\n"); \ - } while (0) - -#undef PREFERRED_DEBUGGING_TYPE -#define PREFERRED_DEBUGGING_TYPE VMS_AND_DWARF2_DEBUG - -#define ASM_PN_FORMAT "%s___%lu" - -/* ??? 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 STARTFILE_SPEC "%{!shared:%{mvms-return-codes:vcrt0.o%s} \ -%{!mvms-return-codes:pcrt0.o%s}}" - -#undef LIB_SPEC -#define LIB_SPEC "-lc" - -#define NAME__MAIN "__gccmain" -#define SYMBOL__MAIN __gccmain - -#define MD_EXEC_PREFIX "/gnu/lib/gcc-lib/" -#define MD_STARTFILE_PREFIX "/gnu/lib/gcc-lib/" - -/* Specify the list of include file directories. */ -#define INCLUDE_DEFAULTS \ -{ \ - { "/gnu/lib/gcc-lib/include", 0, 0, 0 }, \ - { "/gnu_gxx_include", 0, 1, 1 }, \ - { "/gnu_cc_include", 0, 0, 0 }, \ - { "/gnu/include", 0, 0, 0 }, \ - { 0, 0, 0, 0 } \ -} - -#define LONGLONG_STANDALONE 1 |