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Merge FreeBSD modifications into gcc 3.3.1-prerelease:

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1.8 Change symbol values to match freebsd.h.
This commit is contained in:
Alexander Kabaev 2003-07-11 05:05:45 +00:00
parent e815c3de60
commit bec4705400
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=117419
1 changed files with 17 additions and 244 deletions
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261
contrib/gcc/config/alpha/elf.h
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@ -29,30 +29,23 @@ Boston, MA 02111-1307, USA. */
/* ??? Move all SDB stuff from alpha.h to osf.h. */
#undef SDB_DEBUGGING_INFO
#define DBX_DEBUGGING_INFO
#define DWARF2_DEBUGGING_INFO
#define DBX_DEBUGGING_INFO 1
#define DWARF2_DEBUGGING_INFO 1
#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
#undef ASM_FINAL_SPEC
#undef CPP_SUBTARGET_SPEC
#define CPP_SUBTARGET_SPEC "-D__ELF__"
#undef CC1_SPEC
#define CC1_SPEC "%{G*}"
#undef ASM_SPEC
#define ASM_SPEC "%{G*} %{relax:-relax} %{!gstabs*:-no-mdebug}%{gstabs*:-mdebug}"
#undef LINK_SPEC
#define LINK_SPEC "-m elf64alpha %{G*} %{relax:-relax} \
%{O*:-O3} %{!O*:-O1} \
%{shared:-shared} \
%{!shared: \
%{!static: \
%{rdynamic:-export-dynamic} \
%{!dynamic-linker:-dynamic-linker %(elf_dynamic_linker)}} \
%{static:-static}}"
/* Output at beginning of assembler file. */
#undef ASM_FILE_START
#define ASM_FILE_START(FILE) \
@ -77,9 +70,6 @@ do { \
#undef IDENT_ASM_OP
#define IDENT_ASM_OP "\t.ident\t"
/* Allow #sccs in preprocessor. */
#define SCCS_DIRECTIVE 1
/* Output #ident as a .ident. */
#undef ASM_OUTPUT_IDENT
#define ASM_OUTPUT_IDENT(FILE, NAME) \
@ -124,7 +114,7 @@ do { \
#undef ASM_OUTPUT_EXTERNAL_LIBCALL
#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
ASM_GLOBALIZE_LABEL (FILE, XSTR (FUN, 0))
(*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0))
/* This says how to output assembler code to declare an
uninitialized external linkage data object. Under SVR4,
@ -154,17 +144,9 @@ do { \
sbss_section(); \
else \
bss_section(); \
fprintf (FILE, "%s", TYPE_ASM_OP); \
assemble_name (FILE, NAME); \
putc (',', FILE); \
fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
putc ('\n', FILE); \
ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
if (!flag_inhibit_size_directive) \
{ \
fprintf (FILE, "%s", SIZE_ASM_OP); \
assemble_name (FILE, NAME); \
fprintf (FILE, ",%d\n", (SIZE)); \
} \
ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE); \
ASM_OUTPUT_ALIGN ((FILE), exact_log2((ALIGN) / BITS_PER_UNIT)); \
ASM_OUTPUT_LABEL(FILE, NAME); \
ASM_OUTPUT_SKIP((FILE), (SIZE) ? (SIZE) : 1); \
@ -176,7 +158,7 @@ do { \
#undef ASM_OUTPUT_ALIGNED_BSS
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
do { \
ASM_GLOBALIZE_LABEL (FILE, NAME); \
(*targetm.asm_out.globalize_label) (FILE, NAME); \
ASM_OUTPUT_ALIGNED_LOCAL (FILE, NAME, SIZE, ALIGN); \
} while (0)
@ -200,20 +182,8 @@ do { \
#undef ASCII_DATA_ASM_OP
#define ASCII_DATA_ASM_OP "\t.ascii\t"
/* Support const sections and the ctors and dtors sections for g++.
Note that there appears to be two different ways to support const
sections at the moment. You can either #define the symbol
READONLY_DATA_SECTION (giving it some code which switches to the
readonly data section) or else you can #define the symbols
EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION, and
SELECT_RTX_SECTION. We do both here just to be on the safe side. */
#undef USE_CONST_SECTION
#define USE_CONST_SECTION 1
#undef CONST_SECTION_ASM_OP
#define CONST_SECTION_ASM_OP "\t.section\t.rodata"
#undef READONLY_DATA_SECTION_ASM_OP
#define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rodata"
#undef BSS_SECTION_ASM_OP
#define BSS_SECTION_ASM_OP "\t.section\t.bss"
#undef SBSS_SECTION_ASM_OP
@ -248,7 +218,7 @@ do { \
includes this file. */
#undef EXTRA_SECTIONS
#define EXTRA_SECTIONS in_const, in_sbss, in_sdata
#define EXTRA_SECTIONS in_sbss, in_sdata
/* A default list of extra section function definitions. For targets
that use additional sections (e.g. .tdesc) you should override this
@ -256,30 +226,12 @@ do { \
#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS \
CONST_SECTION_FUNCTION \
SECTION_FUNCTION_TEMPLATE(sbss_section, in_sbss, SBSS_SECTION_ASM_OP) \
SECTION_FUNCTION_TEMPLATE(sdata_section, in_sdata, SDATA_SECTION_ASM_OP)
extern void sbss_section PARAMS ((void));
extern void sdata_section PARAMS ((void));
#undef READONLY_DATA_SECTION
#define READONLY_DATA_SECTION() const_section ()
#undef CONST_SECTION_FUNCTION
#define CONST_SECTION_FUNCTION \
void \
const_section () \
{ \
if (!USE_CONST_SECTION) \
text_section(); \
else if (in_section != in_const) \
{ \
fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP); \
in_section = in_const; \
} \
}
#undef SECTION_FUNCTION_TEMPLATE
#define SECTION_FUNCTION_TEMPLATE(FN, ENUM, OP) \
void FN () \
@ -293,177 +245,10 @@ void FN () \
/* Switch into a generic section. */
#define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
/* A C statement or statements to switch to the appropriate
section for output of DECL. DECL is either a `VAR_DECL' node
or a constant of some sort. RELOC indicates whether forming
the initial value of DECL requires link-time relocations.
Set SECNUM to:
0 .text
1 .rodata
2 .data
3 .sdata
4 .bss
5 .sbss
*/
#define DO_SELECT_SECTION(SECNUM, DECL, RELOC) \
do \
{ \
HOST_WIDE_INT size; \
SECNUM = 1; \
if (TREE_CODE (DECL) == FUNCTION_DECL) \
{ \
SECNUM = 0; \
break; \
} \
else if (TREE_CODE (DECL) == STRING_CST) \
{ \
if (flag_writable_strings) \
SECNUM = 2; \
else \
SECNUM = 0x101; \
break; \
} \
else if (TREE_CODE (DECL) == VAR_DECL) \
{ \
if (DECL_INITIAL (DECL) == NULL \
|| DECL_INITIAL (DECL) == error_mark_node) \
SECNUM = 4; \
else if ((flag_pic && RELOC) \
|| ! TREE_READONLY (DECL) \
|| TREE_SIDE_EFFECTS (DECL) \
|| ! TREE_CONSTANT (DECL_INITIAL (DECL))) \
SECNUM = 2; \
else if (flag_merge_constants >= 2) \
{ \
/* C and C++ don't allow different variables to \
share the same location. -fmerge-all-constants\
allows even that (at the expense of not \
conforming). */ \
if (TREE_CODE (DECL_INITIAL (DECL)) == STRING_CST)\
SECNUM = 0x201; \
else \
SECNUM = 0x301; \
} \
} \
else if (TREE_CODE (DECL) == CONSTRUCTOR) \
{ \
if ((flag_pic && RELOC) \
|| TREE_SIDE_EFFECTS (DECL) \
|| ! TREE_CONSTANT (DECL)) \
SECNUM = 2; \
} \
\
/* Select small data sections based on size. */ \
size = int_size_in_bytes (TREE_TYPE (DECL)); \
if (size >= 0 && size <= g_switch_value) \
{ \
if ((SECNUM & 0xff) >= 2) \
SECNUM += 1; \
/* Move readonly data to .sdata only if -msmall-data. */ \
/* ??? Consider .sdata.{lit4,lit8} as \
SHF_MERGE|SHF_ALPHA_GPREL. */ \
else if (TARGET_SMALL_DATA) \
SECNUM = 3; \
} \
} \
while (0)
#undef SELECT_SECTION
#define SELECT_SECTION(DECL, RELOC, ALIGN) \
do \
{ \
typedef void (*sec_fn) PARAMS ((void)); \
static sec_fn const sec_functions[6] = \
{ \
text_section, \
const_section, \
data_section, \
sdata_section, \
bss_section, \
sbss_section \
}; \
\
int sec; \
\
DO_SELECT_SECTION (sec, DECL, RELOC); \
\
switch (sec) \
{ \
case 0x101: \
mergeable_string_section (DECL, ALIGN, 0); \
break; \
case 0x201: \
mergeable_string_section (DECL_INITIAL (DECL),\
ALIGN, 0); \
break; \
case 0x301: \
mergeable_constant_section (DECL_MODE (DECL), \
ALIGN, 0); \
break; \
default: \
(*sec_functions[sec]) (); \
break; \
} \
} \
while (0)
#define TARGET_ASM_SELECT_SECTION default_elf_select_section
#define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
#undef UNIQUE_SECTION
#define UNIQUE_SECTION(DECL, RELOC) \
do \
{ \
static const char * const prefixes[6][2] = \
{ \
{ ".text.", ".gnu.linkonce.t." }, \
{ ".rodata.", ".gnu.linkonce.r." }, \
{ ".data.", ".gnu.linkonce.d." }, \
{ ".sdata.", ".gnu.linkonce.s." }, \
{ ".bss.", ".gnu.linkonce.b." }, \
{ ".sbss.", ".gnu.linkonce.sb." } \
}; \
\
int nlen, plen, sec; \
const char *name, *prefix; \
char *string; \
\
DO_SELECT_SECTION (sec, DECL, RELOC); \
\
name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
STRIP_NAME_ENCODING (name, name); \
nlen = strlen (name); \
\
prefix = prefixes[sec & 0xff][DECL_ONE_ONLY(DECL)]; \
plen = strlen (prefix); \
\
string = alloca (nlen + plen + 1); \
\
memcpy (string, prefix, plen); \
memcpy (string + plen, name, nlen + 1); \
\
DECL_SECTION_NAME (DECL) = build_string (nlen + plen, string); \
} \
while (0)
/* A C statement or statements to switch to the appropriate
section for output of RTX in mode MODE. RTX is some kind
of constant in RTL. The argument MODE is redundant except
in the case of a `const_int' rtx. Currently, these always
go into the const section. */
#undef SELECT_RTX_SECTION
#define SELECT_RTX_SECTION(MODE, RTX, ALIGN) \
do { \
if (TARGET_SMALL_DATA && GET_MODE_SIZE (MODE) <= g_switch_value) \
/* ??? Consider .sdata.{lit4,lit8} as SHF_MERGE|SHF_ALPHA_GPREL. */ \
sdata_section (); \
else \
mergeable_constant_section((MODE), (ALIGN), 0); \
} while (0)
/* Define the strings used for the special svr4 .type and .size directives.
These strings generally do not vary from one system running svr4 to
another, but if a given system (e.g. m88k running svr) needs to use
@ -540,22 +325,14 @@ do { \
#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
do { \
HOST_WIDE_INT size; \
fprintf (FILE, "%s", TYPE_ASM_OP); \
assemble_name (FILE, NAME); \
putc (',', FILE); \
fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
putc ('\n', FILE); \
ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
size_directive_output = 0; \
if (!flag_inhibit_size_directive \
&& DECL_SIZE (DECL) \
&& (size = int_size_in_bytes (TREE_TYPE (DECL))) > 0) \
{ \
size_directive_output = 1; \
fprintf (FILE, "%s", SIZE_ASM_OP); \
assemble_name (FILE, NAME); \
fputc (',', FILE); \
fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, size); \
fputc ('\n', FILE); \
ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \
} \
ASM_OUTPUT_LABEL(FILE, NAME); \
} while (0)
@ -579,11 +356,7 @@ do { \
&& (size = int_size_in_bytes (TREE_TYPE (DECL))) > 0) \
{ \
size_directive_output = 1; \
fprintf (FILE, "%s", SIZE_ASM_OP); \
assemble_name (FILE, name); \
fputc (',', FILE); \
fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, size); \
fputc ('\n', FILE); \
ASM_OUTPUT_SIZE_DIRECTIVE (FILE, name, size); \
} \
} while (0)
@ -655,7 +428,7 @@ do { \
%{shared:crtendS.o%s}%{!shared:crtend.o%s} crtn.o%s"
/* We support #pragma. */
#define HANDLE_SYSV_PRAGMA
#define HANDLE_SYSV_PRAGMA 1
/* Select a format to encode pointers in exception handling data. CODE
is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is