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authorYamaArashi <shadow962@live.com>2016-04-27 00:00:40 -0700
committerYamaArashi <shadow962@live.com>2016-04-27 00:00:40 -0700
commit9dc75fe3b4be91d6066c8e870eacec954117cc08 (patch)
tree0ff095d5dd600f23a98952682edf5226f40f0391 /gcc/telf.h
parent9e5f6a79618cb7df0b7d3816472b530c3b7d9c1a (diff)
reorganize files
Diffstat (limited to 'gcc/telf.h')
-rwxr-xr-xgcc/telf.h368
1 files changed, 368 insertions, 0 deletions
diff --git a/gcc/telf.h b/gcc/telf.h
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--- /dev/null
+++ b/gcc/telf.h
@@ -0,0 +1,368 @@
+/* CYGNUS LOCAL (entire file) clm/arm-elf */
+/* Definitions of target machine for GNU compiler,
+ for Thumb with ELF obj format.
+ Copyright (C) 1995, 1996 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 OBJECT_FORMAT_ELF
+
+#include "thumb.h"
+#include "tree.h"
+
+/* Run-time Target Specification. */
+#undef TARGET_VERSION
+#define TARGET_VERSION fputs (" (Thumb/elf)", stderr)
+
+#define MULTILIB_DEFAULTS { "mlittle-endian" }
+
+/* Setting this to 32 produces more efficient code, but the value set in previous
+ versions of this toolchain was 8, which produces more compact structures. The
+ command line option -mstructure_size_boundary=<n> can be used to change this
+ value. */
+#undef STRUCTURE_SIZE_BOUNDARY
+#define STRUCTURE_SIZE_BOUNDARY arm_structure_size_boundary
+
+extern int arm_structure_size_boundary;
+
+/* Debug */
+#define DWARF2_DEBUGGING_INFO
+
+
+/* Note - it is important that these definitions match those in semi.h for the ARM port. */
+#undef LOCAL_LABEL_PREFIX
+#define LOCAL_LABEL_PREFIX "."
+
+
+/* A C statement to output assembler commands which will identify the
+ object file as having been compiled with GNU CC (or another GNU
+ compiler). */
+#define ASM_IDENTIFY_GCC(STREAM) \
+ fprintf (STREAM, "%sgcc2_compiled.:\n", LOCAL_LABEL_PREFIX )
+
+#undef ASM_FILE_START
+#define ASM_FILE_START(STREAM) \
+do { \
+ extern char *version_string; \
+ fprintf ((STREAM), "%s Generated by gcc %s for Thumb/elf\n", \
+ ASM_COMMENT_START, version_string); \
+ fprintf ((STREAM), ASM_APP_OFF); \
+} while (0)
+
+/* A C statement to output something to the assembler file to switch to section
+ NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or
+ NULL_TREE. Some target formats do not support arbitrary sections. Do not
+ define this macro in such cases. */
+#define ASM_OUTPUT_SECTION_NAME(STREAM, DECL, NAME, RELOC) \
+do { \
+ if ((DECL) && TREE_CODE (DECL) == FUNCTION_DECL) \
+ fprintf (STREAM, "\t.section %s,\"ax\",%%progbits\n", (NAME)); \
+ else if ((DECL) && DECL_READONLY_SECTION (DECL, RELOC)) \
+ fprintf (STREAM, "\t.section %s,\"a\"\n", (NAME)); \
+ else if (0 == strncmp((NAME), ".bss", sizeof(".bss") - 1)) \
+ fprintf (STREAM, "\t.section %s,\"aw\",%%nobits\n", (NAME)); \
+ else \
+ fprintf (STREAM, "\t.section %s,\"aw\"\n", (NAME)); \
+} while (0)
+
+#undef INIT_SECTION_ASM_OP
+
+/* Define this macro if jump tables (for `tablejump' insns) should be
+ output in the text section, along with the assembler instructions.
+ Otherwise, the readonly data section is used. */
+#define JUMP_TABLES_IN_TEXT_SECTION 1
+
+#undef READONLY_DATA_SECTION
+#define READONLY_DATA_SECTION rdata_section
+#undef RDATA_SECTION_ASM_OP
+#define RDATA_SECTION_ASM_OP "\t.section .rodata"
+
+/* If defined, a C expression whose value is a string containing the
+ assembler operation to identify the following data as
+ uninitialized global data. If not defined, and neither
+ `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
+ uninitialized global data will be output in the data section if
+ `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
+ used. */
+#ifndef BSS_SECTION_ASM_OP
+#define BSS_SECTION_ASM_OP ".section\t.bss"
+#endif
+
+/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a
+ separate, explicit argument. If you define this macro, it is used
+ in place of `ASM_OUTPUT_BSS', and gives you more flexibility in
+ handling the required alignment of the variable. The alignment is
+ specified as the number of bits.
+
+ Try to use function `asm_output_aligned_bss' defined in file
+ `varasm.c' when defining this macro. */
+#ifndef ASM_OUTPUT_ALIGNED_BSS
+#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
+ asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
+#endif
+
+/* Don't know how to order these. UNALIGNED_WORD_ASM_OP is in
+ dwarf2.out. */
+#define UNALIGNED_WORD_ASM_OP ".4byte"
+
+#define ASM_OUTPUT_DWARF2_ADDR_CONST(FILE,ADDR) \
+ if (((ADDR)[0] == '.') && ((ADDR)[1] == 'L')) \
+ fprintf ((FILE), "\t%s\t%s", UNALIGNED_WORD_ASM_OP, (ADDR)); \
+ else \
+ fprintf ((FILE), "\t%s\t%s", \
+ UNALIGNED_WORD_ASM_OP, (ADDR))
+
+#define ASM_OUTPUT_DWARF_ADDR_CONST(FILE,RTX) \
+do { \
+ fprintf ((FILE), "\t%s\t", UNALIGNED_WORD_ASM_OP); \
+ output_addr_const ((FILE), (RTX)); \
+ fputc ('\n', (FILE)); \
+} while (0)
+
+/* 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)
+
+/* For aliases of functions we use .thumb_set instead. */
+#define ASM_OUTPUT_DEF_FROM_DECLS(FILE,DECL1,DECL2) \
+ do \
+ { \
+ char * LABEL1 = XSTR (XEXP (DECL_RTL (decl), 0), 0); \
+ char * LABEL2 = IDENTIFIER_POINTER (DECL2); \
+ \
+ if (TREE_CODE (DECL1) == FUNCTION_DECL) \
+ { \
+ fprintf (FILE, "\t.thumb_set "); \
+ assemble_name (FILE, LABEL1); \
+ fprintf (FILE, ","); \
+ assemble_name (FILE, LABEL2); \
+ fprintf (FILE, "\n"); \
+ } \
+ else \
+ ASM_OUTPUT_DEF (FILE, LABEL1, LABEL2); \
+ } \
+ while (0)
+
+/* A list of other sections which the compiler might be "in" at any
+ given time. */
+#undef EXTRA_SECTIONS
+#define EXTRA_SECTIONS in_rdata
+
+/* A list of extra section function definitions. */
+
+#undef EXTRA_SECTION_FUNCTIONS
+#define EXTRA_SECTION_FUNCTIONS \
+ RDATA_SECTION_FUNCTION
+
+#define RDATA_SECTION_FUNCTION \
+void \
+rdata_section () \
+{ \
+ if (in_section != in_rdata) \
+ { \
+ fprintf (asm_out_file, "%s\n", RDATA_SECTION_ASM_OP); \
+ in_section = in_rdata; \
+ } \
+}
+
+#define INT_ASM_OP ".word"
+
+#define INVOKE__main
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "crtbegin%O%s crt0%O%s"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "crtend%O%s"
+
+/* A C expression whose value is nonzero if IDENTIFIER with arguments ARGS
+ is a valid machine specific attribute for DECL.
+ The attributes in ATTRIBUTES have previously been assigned to DECL. */
+extern int arm_valid_machine_decl_attribute(tree decl, tree attributes, tree attr, tree args);
+#define VALID_MACHINE_DECL_ATTRIBUTE(DECL, ATTRIBUTES, IDENTIFIER, ARGS) \
+ arm_valid_machine_decl_attribute(DECL, ATTRIBUTES, IDENTIFIER, ARGS)
+
+/* The ARM development system defines __main. */
+#define NAME__MAIN "__gccmain"
+#define SYMBOL__MAIN __gccmain
+
+#define UNIQUE_SECTION_P(DECL) (DECL_ONE_ONLY (DECL))
+#define UNIQUE_SECTION(DECL,RELOC) \
+do { \
+ int len; \
+ char * name, * string, * prefix; \
+ \
+ name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
+ \
+ if (! DECL_ONE_ONLY (DECL)) \
+ { \
+ prefix = "."; \
+ if (TREE_CODE (DECL) == FUNCTION_DECL) \
+ prefix = ".text."; \
+ else if (DECL_READONLY_SECTION (DECL, RELOC)) \
+ prefix = ".rodata."; \
+ else \
+ prefix = ".data."; \
+ } \
+ else if (TREE_CODE (DECL) == FUNCTION_DECL) \
+ prefix = ".gnu.linkonce.t."; \
+ else if (DECL_READONLY_SECTION (DECL, RELOC)) \
+ prefix = ".gnu.linkonce.r."; \
+ else \
+ prefix = ".gnu.linkonce.d."; \
+ \
+ len = strlen (name) + strlen (prefix); \
+ string = alloca (len + 1); \
+ sprintf (string, "%s%s", prefix, name); \
+ \
+ DECL_SECTION_NAME (DECL) = build_string (len, string); \
+} while (0)
+
+/* This is how we tell the assembler that a symbol is weak. */
+#ifndef ASM_WEAKEN_LABEL
+#define ASM_WEAKEN_LABEL(FILE, NAME) \
+ do \
+ { \
+ fputs ("\t.weak\t", FILE); \
+ assemble_name (FILE, NAME); \
+ fputc ('\n', FILE); \
+ } \
+ while (0)
+#endif
+
+#ifndef TYPE_ASM_OP
+
+/* These macros generate the special .type and .size directives which
+ are used to set the corresponding fields of the linker symbol table
+ entries in an ELF object file under SVR4. These macros also output
+ the starting labels for the relevant functions/objects. */
+#define TYPE_ASM_OP ".type"
+#define SIZE_ASM_OP ".size"
+
+/* The following macro defines the format used to output the second
+ operand of the .type assembler directive. Different svr4 assemblers
+ expect various different forms for this operand. The one given here
+ is just a default. You may need to override it in your machine-
+ specific tm.h file (depending upon the particulars of your assembler). */
+#define TYPE_OPERAND_FMT "%s"
+
+/* Write the extra assembler code needed to declare a function's result.
+ Most svr4 assemblers don't require any special declaration of the
+ result value, but there are exceptions. */
+#ifndef ASM_DECLARE_RESULT
+#define ASM_DECLARE_RESULT(FILE, RESULT)
+#endif
+
+/* Write the extra assembler code needed to declare a function properly.
+ Some svr4 assemblers need to also have something extra said about the
+ function's return value. We allow for that here. */
+#undef ASM_DECLARE_FUNCTION_NAME
+#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
+ do \
+ { \
+ fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ putc (',', FILE); \
+ fprintf (FILE, TYPE_OPERAND_FMT, "function"); \
+ putc ('\n', FILE); \
+ ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
+ fprintf (FILE, "\t.thumb_func\n") ; \
+ ASM_OUTPUT_LABEL(FILE, NAME); \
+ } \
+ while (0)
+
+/* Write the extra assembler code needed to declare an object properly. */
+#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
+ do \
+ { \
+ fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ putc (',', FILE); \
+ fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
+ putc ('\n', FILE); \
+ size_directive_output = 0; \
+ if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \
+ { \
+ size_directive_output = 1; \
+ fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ putc (',', FILE); \
+ fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, \
+ int_size_in_bytes (TREE_TYPE (DECL))); \
+ fputc ('\n', FILE); \
+ } \
+ ASM_OUTPUT_LABEL(FILE, NAME); \
+ } \
+ while (0)
+
+/* Output the size directive for a decl in rest_of_decl_compilation
+ in the case where we did not do so before the initializer.
+ Once we find the error_mark_node, we know that the value of
+ size_directive_output was set
+ by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */
+#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \
+ do \
+ { \
+ char * name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \
+ if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \
+ && ! AT_END && TOP_LEVEL \
+ && DECL_INITIAL (DECL) == error_mark_node \
+ && !size_directive_output) \
+ { \
+ size_directive_output = 1; \
+ fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
+ assemble_name (FILE, name); \
+ putc (',', FILE); \
+ fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, \
+ int_size_in_bytes (TREE_TYPE (DECL))); \
+ fputc ('\n', FILE); \
+ } \
+ } \
+ while (0)
+
+/* This is how to declare the size of a function. */
+#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
+ do \
+ { \
+ if (!flag_inhibit_size_directive) \
+ { \
+ char label[256]; \
+ static int labelno; \
+ labelno ++; \
+ ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno); \
+ ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno); \
+ fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
+ assemble_name (FILE, (FNAME)); \
+ fprintf (FILE, ","); \
+ assemble_name (FILE, label); \
+ fprintf (FILE, "-"); \
+ assemble_name (FILE, (FNAME)); \
+ putc ('\n', FILE); \
+ } \
+ } \
+ while (0)
+
+#endif /* TYPE_ASM_OP */