1 /* Definitions of target machine for GNU compiler, for DEC Alpha w/ELF.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
3 Free Software Foundation, Inc.
4 Contributed by Richard Henderson (rth@tamu.edu).
6 This file is part of GNU CC.
8 GNU CC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
13 GNU CC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GNU CC; see the file COPYING. If not, write to
20 the Free Software Foundation, 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
23 #undef OBJECT_FORMAT_COFF
25 #define OBJECT_FORMAT_ELF
27 #define DBX_DEBUGGING_INFO
28 #define DWARF2_DEBUGGING_INFO
30 #undef PREFERRED_DEBUGGING_TYPE
31 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
36 #define CC1_SPEC "%{G*}"
39 #define ASM_SPEC "%{G*} %{relax:-relax} %{!gstabs*:-no-mdebug}%{gstabs*:-mdebug}"
42 #define LINK_SPEC "-m elf64alpha %{G*} %{relax:-relax} \
43 %{O*:-O3} %{!O*:-O1} \
47 %{rdynamic:-export-dynamic} \
48 %{!dynamic-linker:-dynamic-linker %(elf_dynamic_linker)}} \
51 /* Output at beginning of assembler file. */
53 #define ASM_FILE_START(FILE) \
55 if (write_symbols == DBX_DEBUG) \
57 alpha_write_verstamp (FILE); \
58 output_file_directive (FILE, main_input_filename); \
60 fprintf (FILE, "\t.set noat\n"); \
61 fprintf (FILE, "\t.set noreorder\n"); \
62 if (TARGET_EXPLICIT_RELOCS) \
63 fprintf (FILE, "\t.set nomacro\n"); \
64 if (TARGET_BWX | TARGET_MAX | TARGET_FIX | TARGET_CIX) \
66 fprintf (FILE, "\t.arch %s\n", \
67 (TARGET_CPU_EV6 ? "ev6" \
68 : TARGET_MAX ? "pca56" : "ev56")); \
73 #define IDENT_ASM_OP "\t.ident\t"
75 /* Allow #sccs in preprocessor. */
76 #define SCCS_DIRECTIVE
78 /* Output #ident as a .ident. */
79 #undef ASM_OUTPUT_IDENT
80 #define ASM_OUTPUT_IDENT(FILE, NAME) \
81 fprintf (FILE, "%s\"%s\"\n", IDENT_ASM_OP, NAME);
83 /* This is how to allocate empty space in some section. The .zero
84 pseudo-op is used for this on most svr4 assemblers. */
87 #define SKIP_ASM_OP "\t.zero\t"
89 #undef ASM_OUTPUT_SKIP
90 #define ASM_OUTPUT_SKIP(FILE, SIZE) \
91 fprintf (FILE, "%s%u\n", SKIP_ASM_OP, (SIZE))
93 /* Output the label which precedes a jumptable. Note that for all svr4
94 systems where we actually generate jumptables (which is to say every
95 svr4 target except i386, where we use casesi instead) we put the jump-
96 tables into the .rodata section and since other stuff could have been
97 put into the .rodata section prior to any given jumptable, we have to
98 make sure that the location counter for the .rodata section gets pro-
99 perly re-aligned prior to the actual beginning of the jump table. */
102 #define ALIGN_ASM_OP "\t.align\t"
104 #ifndef ASM_OUTPUT_BEFORE_CASE_LABEL
105 #define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE, PREFIX, NUM, TABLE) \
106 ASM_OUTPUT_ALIGN ((FILE), 2);
109 #undef ASM_OUTPUT_CASE_LABEL
110 #define ASM_OUTPUT_CASE_LABEL(FILE, PREFIX, NUM, JUMPTABLE) \
112 ASM_OUTPUT_BEFORE_CASE_LABEL (FILE, PREFIX, NUM, JUMPTABLE) \
113 ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM); \
116 /* The standard SVR4 assembler seems to require that certain builtin
117 library routines (e.g. .udiv) be explicitly declared as .globl
118 in each assembly file where they are referenced. */
120 #undef ASM_OUTPUT_EXTERNAL_LIBCALL
121 #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
122 ASM_GLOBALIZE_LABEL (FILE, XSTR (FUN, 0))
124 /* This says how to output assembler code to declare an
125 uninitialized external linkage data object. Under SVR4,
126 the linker seems to want the alignment of data objects
127 to depend on their types. We do exactly that here. */
130 #define COMMON_ASM_OP "\t.comm\t"
132 #undef ASM_OUTPUT_ALIGNED_COMMON
133 #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
135 fprintf ((FILE), "%s", COMMON_ASM_OP); \
136 assemble_name ((FILE), (NAME)); \
137 fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT); \
140 /* This says how to output assembler code to declare an
141 uninitialized internal linkage data object. Under SVR4,
142 the linker seems to want the alignment of data objects
143 to depend on their types. We do exactly that here. */
145 #undef ASM_OUTPUT_ALIGNED_LOCAL
146 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
148 if ((SIZE) <= g_switch_value) \
152 fprintf (FILE, "%s", TYPE_ASM_OP); \
153 assemble_name (FILE, NAME); \
155 fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
157 if (!flag_inhibit_size_directive) \
159 fprintf (FILE, "%s", SIZE_ASM_OP); \
160 assemble_name (FILE, NAME); \
161 fprintf (FILE, ",%d\n", (SIZE)); \
163 ASM_OUTPUT_ALIGN ((FILE), exact_log2((ALIGN) / BITS_PER_UNIT)); \
164 ASM_OUTPUT_LABEL(FILE, NAME); \
165 ASM_OUTPUT_SKIP((FILE), (SIZE)); \
168 /* This is the pseudo-op used to generate a 64-bit word of data with a
169 specific value in some section. */
172 #define INT_ASM_OP "\t.quad\t"
174 /* Biggest alignment supported by the object file format of this
175 machine. Use this macro to limit the alignment which can be
176 specified using the `__attribute__ ((aligned (N)))' construct. If
177 not defined, the default value is `BIGGEST_ALIGNMENT'.
179 This value is really 2^63. Since gcc figures the alignment in bits,
180 we could only potentially get to 2^60 on suitible hosts. Due to other
181 considerations in varasm, we must restrict this to what fits in an int. */
183 #undef MAX_OFILE_ALIGNMENT
184 #define MAX_OFILE_ALIGNMENT \
185 (1 << (HOST_BITS_PER_INT < 64 ? HOST_BITS_PER_INT - 2 : 62))
187 /* This is the pseudo-op used to generate a contiguous sequence of byte
188 values from a double-quoted string WITHOUT HAVING A TERMINATING NUL
189 AUTOMATICALLY APPENDED. This is the same for most svr4 assemblers. */
191 #undef ASCII_DATA_ASM_OP
192 #define ASCII_DATA_ASM_OP "\t.ascii\t"
194 /* Support const sections and the ctors and dtors sections for g++.
195 Note that there appears to be two different ways to support const
196 sections at the moment. You can either #define the symbol
197 READONLY_DATA_SECTION (giving it some code which switches to the
198 readonly data section) or else you can #define the symbols
199 EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION, and
200 SELECT_RTX_SECTION. We do both here just to be on the safe side. */
202 #undef USE_CONST_SECTION
203 #define USE_CONST_SECTION 1
205 #undef CONST_SECTION_ASM_OP
206 #define CONST_SECTION_ASM_OP "\t.section\t.rodata"
208 #undef BSS_SECTION_ASM_OP
209 #define BSS_SECTION_ASM_OP "\t.section\t.bss"
210 #undef SBSS_SECTION_ASM_OP
211 #define SBSS_SECTION_ASM_OP "\t.section\t.sbss,\"aw\""
212 #undef SDATA_SECTION_ASM_OP
213 #define SDATA_SECTION_ASM_OP "\t.section\t.sdata,\"aw\""
215 /* On svr4, we *do* have support for the .init and .fini sections, and we
216 can put stuff in there to be executed before and after `main'. We let
217 crtstuff.c and other files know this by defining the following symbols.
218 The definitions say how to change sections to the .init and .fini
219 sections. This is the same for all known svr4 assemblers. */
221 #undef INIT_SECTION_ASM_OP
222 #define INIT_SECTION_ASM_OP "\t.section\t.init"
223 #undef FINI_SECTION_ASM_OP
224 #define FINI_SECTION_ASM_OP "\t.section\t.fini"
226 #ifdef HAVE_GAS_SUBSECTION_ORDERING
228 #define ASM_SECTION_START_OP "\t.subsection\t-1"
230 /* Output assembly directive to move to the beginning of current section. */
231 #define ASM_OUTPUT_SECTION_START(FILE) \
232 fprintf ((FILE), "%s\n", ASM_SECTION_START_OP)
236 /* A default list of other sections which we might be "in" at any given
237 time. For targets that use additional sections (e.g. .tdesc) you
238 should override this definition in the target-specific file which
239 includes this file. */
241 #undef EXTRA_SECTIONS
242 #define EXTRA_SECTIONS in_const, in_sbss, in_sdata
244 /* A default list of extra section function definitions. For targets
245 that use additional sections (e.g. .tdesc) you should override this
246 definition in the target-specific file which includes this file. */
248 #undef EXTRA_SECTION_FUNCTIONS
249 #define EXTRA_SECTION_FUNCTIONS \
250 CONST_SECTION_FUNCTION \
251 SECTION_FUNCTION_TEMPLATE(sbss_section, in_sbss, SBSS_SECTION_ASM_OP) \
252 SECTION_FUNCTION_TEMPLATE(sdata_section, in_sdata, SDATA_SECTION_ASM_OP)
254 extern void sbss_section PARAMS ((void));
255 extern void sdata_section PARAMS ((void));
257 #undef READONLY_DATA_SECTION
258 #define READONLY_DATA_SECTION() const_section ()
260 #undef CONST_SECTION_FUNCTION
261 #define CONST_SECTION_FUNCTION \
265 if (!USE_CONST_SECTION) \
267 else if (in_section != in_const) \
269 fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP); \
270 in_section = in_const; \
274 #undef SECTION_FUNCTION_TEMPLATE
275 #define SECTION_FUNCTION_TEMPLATE(FN, ENUM, OP) \
278 if (in_section != ENUM) \
280 fprintf (asm_out_file, "%s\n", OP); \
285 /* Switch into a generic section. */
286 #define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
288 /* A C statement or statements to switch to the appropriate
289 section for output of DECL. DECL is either a `VAR_DECL' node
290 or a constant of some sort. RELOC indicates whether forming
291 the initial value of DECL requires link-time relocations.
302 #define DO_SELECT_SECTION(SECNUM, DECL, RELOC) \
305 HOST_WIDE_INT size; \
307 if (TREE_CODE (DECL) == FUNCTION_DECL) \
312 else if (TREE_CODE (DECL) == STRING_CST) \
314 if (flag_writable_strings) \
320 else if (TREE_CODE (DECL) == VAR_DECL) \
322 if (DECL_INITIAL (DECL) == NULL \
323 || DECL_INITIAL (DECL) == error_mark_node) \
325 else if ((flag_pic && RELOC) \
326 || ! TREE_READONLY (DECL) \
327 || TREE_SIDE_EFFECTS (DECL) \
328 || ! TREE_CONSTANT (DECL_INITIAL (DECL))) \
330 else if (flag_merge_constants >= 2) \
332 /* C and C++ don't allow different variables to \
333 share the same location. -fmerge-all-constants\
334 allows even that (at the expense of not \
336 if (TREE_CODE (DECL_INITIAL (DECL)) == STRING_CST)\
342 else if (TREE_CODE (DECL) == CONSTRUCTOR) \
344 if ((flag_pic && RELOC) \
345 || ! TREE_READONLY (DECL) \
346 || TREE_SIDE_EFFECTS (DECL) \
347 || ! TREE_CONSTANT (DECL)) \
351 /* Select small data sections based on size. */ \
352 size = int_size_in_bytes (TREE_TYPE (DECL)); \
353 if (size >= 0 && size <= g_switch_value) \
355 if ((SECNUM & 0xff) >= 2) \
357 /* Move readonly data to .sdata only if -msmall-data. */ \
358 /* ??? Consider .sdata.{lit4,lit8} as \
359 SHF_MERGE|SHF_ALPHA_GPREL. */ \
360 else if (TARGET_SMALL_DATA) \
366 #undef SELECT_SECTION
367 #define SELECT_SECTION(DECL, RELOC, ALIGN) \
370 typedef void (*sec_fn) PARAMS ((void)); \
371 static sec_fn const sec_functions[6] = \
383 DO_SELECT_SECTION (sec, DECL, RELOC); \
388 mergeable_string_section (DECL, ALIGN, 0); \
391 mergeable_string_section (DECL_INITIAL (DECL),\
395 mergeable_constant_section (DECL_MODE (DECL), \
399 (*sec_functions[sec]) (); \
405 #define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
407 #undef UNIQUE_SECTION
408 #define UNIQUE_SECTION(DECL, RELOC) \
411 static const char * const prefixes[6][2] = \
413 { ".text.", ".gnu.linkonce.t." }, \
414 { ".rodata.", ".gnu.linkonce.r." }, \
415 { ".data.", ".gnu.linkonce.d." }, \
416 { ".sdata.", ".gnu.linkonce.s." }, \
417 { ".bss.", ".gnu.linkonce.b." }, \
418 { ".sbss.", ".gnu.linkonce.sb." } \
421 int nlen, plen, sec; \
422 const char *name, *prefix; \
425 DO_SELECT_SECTION (sec, DECL, RELOC); \
427 name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
428 STRIP_NAME_ENCODING (name, name); \
429 nlen = strlen (name); \
431 prefix = prefixes[sec & 0xff][DECL_ONE_ONLY(DECL)]; \
432 plen = strlen (prefix); \
434 string = alloca (nlen + plen + 1); \
436 memcpy (string, prefix, plen); \
437 memcpy (string + plen, name, nlen + 1); \
439 DECL_SECTION_NAME (DECL) = build_string (nlen + plen, string); \
443 /* A C statement or statements to switch to the appropriate
444 section for output of RTX in mode MODE. RTX is some kind
445 of constant in RTL. The argument MODE is redundant except
446 in the case of a `const_int' rtx. Currently, these always
447 go into the const section. */
449 #undef SELECT_RTX_SECTION
450 #define SELECT_RTX_SECTION(MODE, RTX, ALIGN) \
452 if (TARGET_SMALL_DATA && GET_MODE_SIZE (MODE) <= g_switch_value) \
453 /* ??? Consider .sdata.{lit4,lit8} as SHF_MERGE|SHF_ALPHA_GPREL. */ \
456 mergeable_constant_section((MODE), (ALIGN), 0); \
459 /* Define the strings used for the special svr4 .type and .size directives.
460 These strings generally do not vary from one system running svr4 to
461 another, but if a given system (e.g. m88k running svr) needs to use
462 different pseudo-op names for these, they may be overridden in the
463 file which includes this one. */
466 #define TYPE_ASM_OP "\t.type\t"
468 #define SIZE_ASM_OP "\t.size\t"
470 /* This is how we tell the assembler that a symbol is weak. */
472 #undef ASM_WEAKEN_LABEL
473 #define ASM_WEAKEN_LABEL(FILE, NAME) \
474 do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
475 fputc ('\n', FILE); } while (0)
477 /* This is how we tell the assembler that two symbols have the same value. */
479 #undef ASM_OUTPUT_DEF
480 #define ASM_OUTPUT_DEF(FILE, NAME1, NAME2) \
481 do { assemble_name(FILE, NAME1); \
482 fputs(" = ", FILE); \
483 assemble_name(FILE, NAME2); \
484 fputc('\n', FILE); } while (0)
486 /* The following macro defines the format used to output the second
487 operand of the .type assembler directive. Different svr4 assemblers
488 expect various different forms for this operand. The one given here
489 is just a default. You may need to override it in your machine-
490 specific tm.h file (depending upon the particulars of your assembler). */
492 #undef TYPE_OPERAND_FMT
493 #define TYPE_OPERAND_FMT "@%s"
495 /* Write the extra assembler code needed to declare a function's result.
496 Most svr4 assemblers don't require any special declaration of the
497 result value, but there are exceptions. */
499 #ifndef ASM_DECLARE_RESULT
500 #define ASM_DECLARE_RESULT(FILE, RESULT)
503 /* These macros generate the special .type and .size directives which
504 are used to set the corresponding fields of the linker symbol table
505 entries in an ELF object file under SVR4. These macros also output
506 the starting labels for the relevant functions/objects. */
508 /* Write the extra assembler code needed to declare an object properly. */
510 #undef ASM_DECLARE_OBJECT_NAME
511 #define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
513 HOST_WIDE_INT size; \
514 fprintf (FILE, "%s", TYPE_ASM_OP); \
515 assemble_name (FILE, NAME); \
517 fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
519 size_directive_output = 0; \
520 if (!flag_inhibit_size_directive \
521 && DECL_SIZE (DECL) \
522 && (size = int_size_in_bytes (TREE_TYPE (DECL))) > 0) \
524 size_directive_output = 1; \
525 fprintf (FILE, "%s", SIZE_ASM_OP); \
526 assemble_name (FILE, NAME); \
528 fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, size); \
529 fputc ('\n', FILE); \
531 ASM_OUTPUT_LABEL(FILE, NAME); \
534 /* Output the size directive for a decl in rest_of_decl_compilation
535 in the case where we did not do so before the initializer.
536 Once we find the error_mark_node, we know that the value of
537 size_directive_output was set
538 by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */
540 #undef ASM_FINISH_DECLARE_OBJECT
541 #define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \
543 const char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \
544 HOST_WIDE_INT size; \
545 if (!flag_inhibit_size_directive \
546 && DECL_SIZE (DECL) \
547 && ! AT_END && TOP_LEVEL \
548 && DECL_INITIAL (DECL) == error_mark_node \
549 && !size_directive_output \
550 && (size = int_size_in_bytes (TREE_TYPE (DECL))) > 0) \
552 size_directive_output = 1; \
553 fprintf (FILE, "%s", SIZE_ASM_OP); \
554 assemble_name (FILE, name); \
556 fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, size); \
557 fputc ('\n', FILE); \
561 /* A table of bytes codes used by the ASM_OUTPUT_ASCII and
562 ASM_OUTPUT_LIMITED_STRING macros. Each byte in the table
563 corresponds to a particular byte value [0..255]. For any
564 given byte value, if the value in the corresponding table
565 position is zero, the given character can be output directly.
566 If the table value is 1, the byte must be output as a \ooo
567 octal escape. If the tables value is anything else, then the
568 byte value should be output as a \ followed by the value
569 in the table. Note that we can use standard UN*X escape
570 sequences for many control characters, but we don't use
571 \a to represent BEL because some svr4 assemblers (e.g. on
572 the i386) don't know about that. Also, we don't use \v
573 since some versions of gas, such as 2.2 did not accept it. */
577 "\1\1\1\1\1\1\1\1btn\1fr\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
578 \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\
579 \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\
580 \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\
581 \1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
582 \1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
583 \1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
584 \1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1"
586 /* Some svr4 assemblers have a limit on the number of characters which
587 can appear in the operand of a .string directive. If your assembler
588 has such a limitation, you should define STRING_LIMIT to reflect that
589 limit. Note that at least some svr4 assemblers have a limit on the
590 actual number of bytes in the double-quoted string, and that they
591 count each character in an escape sequence as one byte. Thus, an
592 escape sequence like \377 would count as four bytes.
594 If your target assembler doesn't support the .string directive, you
595 should define this to zero. */
598 #define STRING_LIMIT ((unsigned) 256)
600 #define STRING_ASM_OP "\t.string\t"
602 /* GAS is the only Alpha/ELF assembler. */
604 #define TARGET_GAS (1)
606 /* Provide a STARTFILE_SPEC appropriate for ELF. Here we add the
607 (even more) magical crtbegin.o file which provides part of the
608 support for getting C++ file-scope static object constructed
609 before entering `main'.
611 Don't bother seeing crtstuff.c -- there is absolutely no hope
612 of getting that file to understand multiple GPs. We provide a
613 hand-coded assembly version. */
615 #undef STARTFILE_SPEC
616 #define STARTFILE_SPEC \
618 %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
619 crti.o%s %{shared:crtbeginS.o%s}%{!shared:crtbegin.o%s}"
621 /* Provide a ENDFILE_SPEC appropriate for ELF. Here we tack on the
622 magical crtend.o file which provides part of the support for
623 getting C++ file-scope static object constructed before entering
624 `main', followed by a normal ELF "finalizer" file, `crtn.o'. */
627 #define ENDFILE_SPEC \
628 "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
629 %{shared:crtendS.o%s}%{!shared:crtend.o%s} crtn.o%s"
631 /* We support #pragma. */
632 #define HANDLE_SYSV_PRAGMA
634 /* Undo the auto-alignment stuff from alpha.h. ELF has unaligned data
636 #undef UNALIGNED_SHORT_ASM_OP
637 #undef UNALIGNED_INT_ASM_OP
638 #undef UNALIGNED_DOUBLE_INT_ASM_OP
640 /* Select a format to encode pointers in exception handling data. CODE
641 is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
642 true if the symbol may be affected by dynamic relocations.
644 Since application size is already constrained to <2GB by the form of
645 the ldgp relocation, we can use a 32-bit pc-relative relocation to
646 static data. Dynamic data is accessed indirectly to allow for read
648 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
649 (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4)
651 /* If defined, a C statement to be executed just prior to the output of
652 assembler code for INSN. */
653 #define FINAL_PRESCAN_INSN(INSN, OPVEC, NOPERANDS) \
654 (alpha_this_literal_sequence_number = 0, \
655 alpha_this_gpdisp_sequence_number = 0)
656 extern int alpha_this_literal_sequence_number;
657 extern int alpha_this_gpdisp_sequence_number;