Merge FreeBSD modifications into gcc 3.3.1-prerelease:
1.8 Change symbol values to match freebsd.h.
This commit is contained in:
Alexander Kabaev
parent
e815c3de60
commit
bec4705400
@ -29,30 +29,23 @@ Boston, MA 02111-1307, USA. */
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/* ??? Move all SDB stuff from alpha.h to osf.h. */
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#undef SDB_DEBUGGING_INFO
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#define DBX_DEBUGGING_INFO
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#define DWARF2_DEBUGGING_INFO
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#define DBX_DEBUGGING_INFO 1
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#define DWARF2_DEBUGGING_INFO 1
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#undef PREFERRED_DEBUGGING_TYPE
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#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
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#undef ASM_FINAL_SPEC
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#undef CPP_SUBTARGET_SPEC
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#define CPP_SUBTARGET_SPEC "-D__ELF__"
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#undef CC1_SPEC
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#define CC1_SPEC "%{G*}"
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#undef ASM_SPEC
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#define ASM_SPEC "%{G*} %{relax:-relax} %{!gstabs*:-no-mdebug}%{gstabs*:-mdebug}"
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#undef LINK_SPEC
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#define LINK_SPEC "-m elf64alpha %{G*} %{relax:-relax} \
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%{O*:-O3} %{!O*:-O1} \
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%{shared:-shared} \
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%{!shared: \
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%{!static: \
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%{rdynamic:-export-dynamic} \
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%{!dynamic-linker:-dynamic-linker %(elf_dynamic_linker)}} \
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%{static:-static}}"
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/* Output at beginning of assembler file. */
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#undef ASM_FILE_START
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#define ASM_FILE_START(FILE) \
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@ -77,9 +70,6 @@ do { \
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#undef IDENT_ASM_OP
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#define IDENT_ASM_OP "\t.ident\t"
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/* Allow #sccs in preprocessor. */
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#define SCCS_DIRECTIVE 1
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/* Output #ident as a .ident. */
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#undef ASM_OUTPUT_IDENT
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#define ASM_OUTPUT_IDENT(FILE, NAME) \
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@ -124,7 +114,7 @@ do { \
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#undef ASM_OUTPUT_EXTERNAL_LIBCALL
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#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
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ASM_GLOBALIZE_LABEL (FILE, XSTR (FUN, 0))
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(*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0))
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/* This says how to output assembler code to declare an
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uninitialized external linkage data object. Under SVR4,
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@ -154,17 +144,9 @@ do { \
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sbss_section(); \
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else \
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bss_section(); \
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fprintf (FILE, "%s", TYPE_ASM_OP); \
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assemble_name (FILE, NAME); \
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putc (',', FILE); \
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fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
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putc ('\n', FILE); \
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ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
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if (!flag_inhibit_size_directive) \
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{ \
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fprintf (FILE, "%s", SIZE_ASM_OP); \
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assemble_name (FILE, NAME); \
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fprintf (FILE, ",%d\n", (SIZE)); \
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} \
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ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE); \
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ASM_OUTPUT_ALIGN ((FILE), exact_log2((ALIGN) / BITS_PER_UNIT)); \
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ASM_OUTPUT_LABEL(FILE, NAME); \
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ASM_OUTPUT_SKIP((FILE), (SIZE) ? (SIZE) : 1); \
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@ -176,7 +158,7 @@ do { \
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#undef ASM_OUTPUT_ALIGNED_BSS
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#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
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do { \
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ASM_GLOBALIZE_LABEL (FILE, NAME); \
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(*targetm.asm_out.globalize_label) (FILE, NAME); \
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ASM_OUTPUT_ALIGNED_LOCAL (FILE, NAME, SIZE, ALIGN); \
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} while (0)
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@ -200,20 +182,8 @@ do { \
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#undef ASCII_DATA_ASM_OP
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#define ASCII_DATA_ASM_OP "\t.ascii\t"
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/* Support const sections and the ctors and dtors sections for g++.
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Note that there appears to be two different ways to support const
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sections at the moment. You can either #define the symbol
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READONLY_DATA_SECTION (giving it some code which switches to the
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readonly data section) or else you can #define the symbols
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EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION, and
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SELECT_RTX_SECTION. We do both here just to be on the safe side. */
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#undef USE_CONST_SECTION
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#define USE_CONST_SECTION 1
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#undef CONST_SECTION_ASM_OP
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#define CONST_SECTION_ASM_OP "\t.section\t.rodata"
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#undef READONLY_DATA_SECTION_ASM_OP
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#define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rodata"
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#undef BSS_SECTION_ASM_OP
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#define BSS_SECTION_ASM_OP "\t.section\t.bss"
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#undef SBSS_SECTION_ASM_OP
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@ -248,7 +218,7 @@ do { \
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includes this file. */
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#undef EXTRA_SECTIONS
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#define EXTRA_SECTIONS in_const, in_sbss, in_sdata
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#define EXTRA_SECTIONS in_sbss, in_sdata
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/* A default list of extra section function definitions. For targets
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that use additional sections (e.g. .tdesc) you should override this
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@ -256,30 +226,12 @@ do { \
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#undef EXTRA_SECTION_FUNCTIONS
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#define EXTRA_SECTION_FUNCTIONS \
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CONST_SECTION_FUNCTION \
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SECTION_FUNCTION_TEMPLATE(sbss_section, in_sbss, SBSS_SECTION_ASM_OP) \
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SECTION_FUNCTION_TEMPLATE(sdata_section, in_sdata, SDATA_SECTION_ASM_OP)
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extern void sbss_section PARAMS ((void));
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extern void sdata_section PARAMS ((void));
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#undef READONLY_DATA_SECTION
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#define READONLY_DATA_SECTION() const_section ()
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#undef CONST_SECTION_FUNCTION
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#define CONST_SECTION_FUNCTION \
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void \
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const_section () \
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{ \
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if (!USE_CONST_SECTION) \
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text_section(); \
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else if (in_section != in_const) \
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{ \
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fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP); \
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in_section = in_const; \
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} \
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}
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#undef SECTION_FUNCTION_TEMPLATE
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#define SECTION_FUNCTION_TEMPLATE(FN, ENUM, OP) \
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void FN () \
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@ -293,177 +245,10 @@ void FN () \
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/* Switch into a generic section. */
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#define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
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/* A C statement or statements to switch to the appropriate
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section for output of DECL. DECL is either a `VAR_DECL' node
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or a constant of some sort. RELOC indicates whether forming
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the initial value of DECL requires link-time relocations.
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Set SECNUM to:
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0 .text
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1 .rodata
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2 .data
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3 .sdata
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4 .bss
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5 .sbss
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*/
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#define DO_SELECT_SECTION(SECNUM, DECL, RELOC) \
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do \
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{ \
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HOST_WIDE_INT size; \
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SECNUM = 1; \
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if (TREE_CODE (DECL) == FUNCTION_DECL) \
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{ \
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SECNUM = 0; \
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break; \
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} \
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else if (TREE_CODE (DECL) == STRING_CST) \
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{ \
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if (flag_writable_strings) \
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SECNUM = 2; \
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else \
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SECNUM = 0x101; \
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break; \
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} \
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else if (TREE_CODE (DECL) == VAR_DECL) \
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{ \
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if (DECL_INITIAL (DECL) == NULL \
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|| DECL_INITIAL (DECL) == error_mark_node) \
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SECNUM = 4; \
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else if ((flag_pic && RELOC) \
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|| ! TREE_READONLY (DECL) \
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|| TREE_SIDE_EFFECTS (DECL) \
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|| ! TREE_CONSTANT (DECL_INITIAL (DECL))) \
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SECNUM = 2; \
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else if (flag_merge_constants >= 2) \
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{ \
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/* C and C++ don't allow different variables to \
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share the same location. -fmerge-all-constants\
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allows even that (at the expense of not \
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conforming). */ \
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if (TREE_CODE (DECL_INITIAL (DECL)) == STRING_CST)\
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SECNUM = 0x201; \
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else \
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SECNUM = 0x301; \
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} \
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} \
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else if (TREE_CODE (DECL) == CONSTRUCTOR) \
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{ \
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if ((flag_pic && RELOC) \
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|| TREE_SIDE_EFFECTS (DECL) \
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|| ! TREE_CONSTANT (DECL)) \
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SECNUM = 2; \
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} \
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\
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/* Select small data sections based on size. */ \
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size = int_size_in_bytes (TREE_TYPE (DECL)); \
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if (size >= 0 && size <= g_switch_value) \
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{ \
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if ((SECNUM & 0xff) >= 2) \
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SECNUM += 1; \
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/* Move readonly data to .sdata only if -msmall-data. */ \
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/* ??? Consider .sdata.{lit4,lit8} as \
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SHF_MERGE|SHF_ALPHA_GPREL. */ \
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else if (TARGET_SMALL_DATA) \
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SECNUM = 3; \
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} \
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} \
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while (0)
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#undef SELECT_SECTION
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#define SELECT_SECTION(DECL, RELOC, ALIGN) \
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do \
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{ \
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typedef void (*sec_fn) PARAMS ((void)); \
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static sec_fn const sec_functions[6] = \
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{ \
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text_section, \
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const_section, \
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data_section, \
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sdata_section, \
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bss_section, \
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sbss_section \
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}; \
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\
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int sec; \
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\
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DO_SELECT_SECTION (sec, DECL, RELOC); \
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\
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switch (sec) \
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{ \
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case 0x101: \
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mergeable_string_section (DECL, ALIGN, 0); \
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break; \
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case 0x201: \
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mergeable_string_section (DECL_INITIAL (DECL),\
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ALIGN, 0); \
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break; \
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case 0x301: \
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mergeable_constant_section (DECL_MODE (DECL), \
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ALIGN, 0); \
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break; \
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default: \
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(*sec_functions[sec]) (); \
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break; \
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} \
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} \
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while (0)
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#define TARGET_ASM_SELECT_SECTION default_elf_select_section
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#define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
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#undef UNIQUE_SECTION
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#define UNIQUE_SECTION(DECL, RELOC) \
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do \
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{ \
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static const char * const prefixes[6][2] = \
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{ \
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{ ".text.", ".gnu.linkonce.t." }, \
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{ ".rodata.", ".gnu.linkonce.r." }, \
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{ ".data.", ".gnu.linkonce.d." }, \
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{ ".sdata.", ".gnu.linkonce.s." }, \
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{ ".bss.", ".gnu.linkonce.b." }, \
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{ ".sbss.", ".gnu.linkonce.sb." } \
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}; \
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\
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int nlen, plen, sec; \
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const char *name, *prefix; \
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char *string; \
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\
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DO_SELECT_SECTION (sec, DECL, RELOC); \
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\
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name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
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STRIP_NAME_ENCODING (name, name); \
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nlen = strlen (name); \
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\
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prefix = prefixes[sec & 0xff][DECL_ONE_ONLY(DECL)]; \
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plen = strlen (prefix); \
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\
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string = alloca (nlen + plen + 1); \
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\
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memcpy (string, prefix, plen); \
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memcpy (string + plen, name, nlen + 1); \
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\
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DECL_SECTION_NAME (DECL) = build_string (nlen + plen, string); \
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} \
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while (0)
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/* A C statement or statements to switch to the appropriate
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section for output of RTX in mode MODE. RTX is some kind
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of constant in RTL. The argument MODE is redundant except
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in the case of a `const_int' rtx. Currently, these always
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go into the const section. */
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#undef SELECT_RTX_SECTION
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#define SELECT_RTX_SECTION(MODE, RTX, ALIGN) \
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do { \
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if (TARGET_SMALL_DATA && GET_MODE_SIZE (MODE) <= g_switch_value) \
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/* ??? Consider .sdata.{lit4,lit8} as SHF_MERGE|SHF_ALPHA_GPREL. */ \
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sdata_section (); \
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else \
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mergeable_constant_section((MODE), (ALIGN), 0); \
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} while (0)
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/* Define the strings used for the special svr4 .type and .size directives.
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These strings generally do not vary from one system running svr4 to
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another, but if a given system (e.g. m88k running svr) needs to use
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@ -540,22 +325,14 @@ do { \
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#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
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do { \
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HOST_WIDE_INT size; \
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fprintf (FILE, "%s", TYPE_ASM_OP); \
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assemble_name (FILE, NAME); \
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putc (',', FILE); \
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fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
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putc ('\n', FILE); \
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ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
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size_directive_output = 0; \
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if (!flag_inhibit_size_directive \
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&& DECL_SIZE (DECL) \
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&& (size = int_size_in_bytes (TREE_TYPE (DECL))) > 0) \
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{ \
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size_directive_output = 1; \
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fprintf (FILE, "%s", SIZE_ASM_OP); \
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assemble_name (FILE, NAME); \
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fputc (',', FILE); \
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fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, size); \
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fputc ('\n', FILE); \
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ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \
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} \
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ASM_OUTPUT_LABEL(FILE, NAME); \
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} while (0)
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@ -579,11 +356,7 @@ do { \
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&& (size = int_size_in_bytes (TREE_TYPE (DECL))) > 0) \
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{ \
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size_directive_output = 1; \
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fprintf (FILE, "%s", SIZE_ASM_OP); \
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assemble_name (FILE, name); \
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fputc (',', FILE); \
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fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, size); \
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fputc ('\n', FILE); \
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ASM_OUTPUT_SIZE_DIRECTIVE (FILE, name, size); \
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} \
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} while (0)
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@ -655,7 +428,7 @@ do { \
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%{shared:crtendS.o%s}%{!shared:crtend.o%s} crtn.o%s"
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/* We support #pragma. */
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#define HANDLE_SYSV_PRAGMA
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#define HANDLE_SYSV_PRAGMA 1
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/* Select a format to encode pointers in exception handling data. CODE
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is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
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Reference in New Issue
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