diff options
Diffstat (limited to 'lang/gcc40/files/alpha-freebsd.h')
| -rw-r--r-- | lang/gcc40/files/alpha-freebsd.h | 126 |
1 files changed, 120 insertions, 6 deletions
diff --git a/lang/gcc40/files/alpha-freebsd.h b/lang/gcc40/files/alpha-freebsd.h index e6f81cca503a..6aace60c7a44 100644 --- a/lang/gcc40/files/alpha-freebsd.h +++ b/lang/gcc40/files/alpha-freebsd.h @@ -38,6 +38,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* This is the char to use for continuation (in case we need to turn continuation back on). */ +#undef DBX_CONTIN_CHAR #define DBX_CONTIN_CHAR '?' #undef ASM_FINAL_SPEC @@ -46,20 +47,36 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ XXX FreeBSD, by convention, shouldn't do __alpha, but lots of applications expect it because that's what OSF/1 does. */ +#undef TARGET_VERSION +#define TARGET_VERSION fprintf (stderr, " (FreeBSD/alpha ELF)"); + +/* defined in freebsd.h +#undef SWITCH_TAKES_ARG +#define SWITCH_TAKES_ARG(CHAR) (FBSD_SWITCH_TAKES_ARG(CHAR)) + +#undef WORD_SWITCH_TAKES_ARG +#define WORD_SWITCH_TAKES_ARG(STR) (FBSD_WORD_SWITCH_TAKES_ARG(STR)) +*/ + #undef TARGET_DEFAULT #define TARGET_DEFAULT (MASK_FP | MASK_FPREGS | MASK_GAS) #undef CPP_PREDEFINES -#define CPP_PREDEFINES "\ --D__alpha__ -D__alpha -Acpu(alpha) -Amachine(alpha) " \ -CPP_FBSD_PREDEFINES \ -SUB_CPP_PREDEFINES +#define CPP_PREDEFINES \ + "-D__alpha__ -D__alpha -D__ELF__ -Acpu(alpha) -Amachine(alpha)" \ + CPP_FBSD_PREDEFINES + +#undef CPP_SPEC +#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}" /* Make gcc agree with <machine/ansi.h> */ #undef WCHAR_TYPE #define WCHAR_TYPE "int" +#undef WCHAR_UNSIGNED +#define WCHAR_UNSIGNED 0 + #undef WCHAR_TYPE_SIZE #define WCHAR_TYPE_SIZE 32 @@ -94,6 +111,7 @@ SUB_CPP_PREDEFINES fprintf (FILE, "\t.set noat\n"); \ } +#undef ASM_OUTPUT_SOURCE_LINE #define ASM_OUTPUT_SOURCE_LINE(STREAM, LINE) \ alpha_output_lineno (STREAM, LINE) extern void alpha_output_lineno (); @@ -105,14 +123,18 @@ extern void output_file_directive (); .ident string is patterned after the ones produced by native svr4 C compilers. */ +#undef IDENT_ASM_OP #define IDENT_ASM_OP ".ident" #ifdef IDENTIFY_WITH_IDENT +#undef ASM_IDENTIFY_GCC #define ASM_IDENTIFY_GCC(FILE) /* nothing */ +#undef ASM_IDENTIFY_LANGUAGE #define ASM_IDENTIFY_LANGUAGE(FILE) \ fprintf(FILE, "\t%s \"GCC (%s) %s\"\n", IDENT_ASM_OP, \ lang_identify(), version_string) #else +#undef ASM_FILE_END #define ASM_FILE_END(FILE) \ do { \ fprintf ((FILE), "\t%s\t\"GCC: (GNU) %s\"\n", \ @@ -126,12 +148,14 @@ do { \ /* Output #ident as a .ident. */ +#undef ASM_OUTPUT_IDENT #define ASM_OUTPUT_IDENT(FILE, NAME) \ fprintf (FILE, "\t%s\t\"%s\"\n", IDENT_ASM_OP, NAME); /* This is how to allocate empty space in some section. The .zero pseudo-op is used for this on most svr4 assemblers. */ +#undef SKIP_ASM_OP #define SKIP_ASM_OP ".zero" #undef ASM_OUTPUT_SKIP @@ -146,6 +170,7 @@ do { \ make sure that the location counter for the .rodata section gets pro- perly re-aligned prior to the actual beginning of the jump table. */ +#undef ALIGN_ASM_OP #define ALIGN_ASM_OP ".align" #ifndef ASM_OUTPUT_BEFORE_CASE_LABEL @@ -164,6 +189,7 @@ do { \ library routines (e.g. .udiv) be explicitly declared as .globl in each assembly file where they are referenced. */ +#undef ASM_OUTPUT_EXTERNAL_LIBCALL #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \ ASM_GLOBALIZE_LABEL (FILE, XSTR (FUN, 0)) @@ -172,6 +198,7 @@ do { \ the linker seems to want the alignment of data objects to depend on their types. We do exactly that here. */ +#undef COMMON_ASM_OP #define COMMON_ASM_OP ".comm" #undef ASM_OUTPUT_ALIGNED_COMMON @@ -187,6 +214,7 @@ do { \ the linker seems to want the alignment of data objects to depend on their types. We do exactly that here. */ +#undef LOCAL_ASM_OP #define LOCAL_ASM_OP ".local" #undef ASM_OUTPUT_ALIGNED_LOCAL @@ -201,6 +229,7 @@ do { \ /* This is the pseudo-op used to generate a 64-bit word of data with a specific value in some section. */ +#undef INT_ASM_OP #define INT_ASM_OP ".quad" /* This is the pseudo-op used to generate a contiguous sequence of byte @@ -218,8 +247,10 @@ do { \ 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 ".section\t.rodata" /* Define the pseudo-ops used to switch to the .ctors and .dtors sections. @@ -237,7 +268,9 @@ do { \ errors unless the .ctors and .dtors sections are marked as writable via the SHF_WRITE attribute.) */ +#undef CTORS_SECTION_ASM_OP #define CTORS_SECTION_ASM_OP ".section\t.ctors,\"aw\"" +#undef DTORS_SECTION_ASM_OP #define DTORS_SECTION_ASM_OP ".section\t.dtors,\"aw\"" /* On svr4, we *do* have support for the .init and .fini sections, and we @@ -246,7 +279,9 @@ do { \ The definitions say how to change sections to the .init and .fini sections. This is the same for all known svr4 assemblers. */ +#undef INIT_SECTION_ASM_OP #define INIT_SECTION_ASM_OP ".section\t.init" +#undef FINI_SECTION_ASM_OP #define FINI_SECTION_ASM_OP ".section\t.fini" /* A default list of other sections which we might be "in" at any given @@ -272,6 +307,7 @@ do { \ extern void text_section (); +#undef CONST_SECTION_FUNCTION #define CONST_SECTION_FUNCTION \ void \ const_section () \ @@ -285,6 +321,7 @@ const_section () \ } \ } +#undef CTORS_SECTION_FUNCTION #define CTORS_SECTION_FUNCTION \ void \ ctors_section () \ @@ -296,6 +333,7 @@ ctors_section () \ } \ } +#undef DTORS_SECTION_FUNCTION #define DTORS_SECTION_FUNCTION \ void \ dtors_section () \ @@ -312,6 +350,7 @@ dtors_section () \ We make the section read-only and executable for a function decl, read-only for a const data decl, and writable for a non-const data decl. */ +#undef ASM_OUTPUT_SECTION_NAME #define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME, RELOC) \ fprintf (FILE, ".section\t%s,\"%s\",@progbits\n", NAME, \ (DECL) && TREE_CODE (DECL) == FUNCTION_DECL ? "ax" : \ @@ -320,6 +359,7 @@ dtors_section () \ /* A C statement (sans semicolon) to output an element in the table of global constructors. */ +#undef ASM_OUTPUT_CONSTRUCTOR #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \ do { \ ctors_section (); \ @@ -330,6 +370,7 @@ dtors_section () \ /* A C statement (sans semicolon) to output an element in the table of global destructors. */ +#undef ASM_OUTPUT_DESTRUCTOR #define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \ do { \ dtors_section (); \ @@ -343,6 +384,7 @@ dtors_section () \ or a constant of some sort. RELOC indicates whether forming the initial value of DECL requires link-time relocations. */ +#undef SELECT_SECTION #define SELECT_SECTION(DECL,RELOC) \ { \ if (TREE_CODE (DECL) == STRING_CST) \ @@ -376,17 +418,20 @@ dtors_section () \ #undef SELECT_RTX_SECTION #define SELECT_RTX_SECTION(MODE,RTX) const_section() -/* Define the strings used for the special svr4 .type and .size directives. +/* Define the strings used for the .type, .size and .set 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 different pseudo-op names for these, they may be overridden in the file which includes this one. */ +#undef TYPE_ASM_OP #define TYPE_ASM_OP ".type" +#undef SIZE_ASM_OP #define SIZE_ASM_OP ".size" /* This is how we tell the assembler that two symbols have the same value. */ +#undef ASM_OUTPUT_DEF #define ASM_OUTPUT_DEF(FILE,NAME1,NAME2) \ do { assemble_name(FILE, NAME1); \ fputs(" = ", FILE); \ @@ -407,6 +452,7 @@ dtors_section () \ the i386) don't know about that. Also, we don't use \v since some versions of gas, such as 2.2 did not accept it. */ +#undef ESCAPES #define ESCAPES \ "\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\ \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\ @@ -429,15 +475,83 @@ dtors_section () \ should define this to zero. */ +#undef STRING_LIMIT #define STRING_LIMIT ((unsigned) 256) +#undef STRING_ASM_OP #define STRING_ASM_OP ".string" /* * We always use gas here, so we don't worry about ECOFF assembler problems. */ #undef TARGET_GAS -#define TARGET_GAS (1) +#define TARGET_GAS 1 #undef PREFERRED_DEBUGGING_TYPE #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG + +#undef LINK_SPEC +#define LINK_SPEC "-m elf64alpha \ + %{p:%e`-p' not supported; use `-pg' and gprof(1)} \ + %{Wl,*:%*} \ + %{assert*} %{R*} %{rpath*} %{defsym*} \ + %{shared:-Bshareable %{h*} %{soname*}} \ + %{symbolic:-Bsymbolic} \ + %{!shared: \ + %{!static: \ + %{rdynamic:-export-dynamic} \ + %{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1}} \ + %{static:-Bstatic}}" + +#undef STARTFILE_SPEC +#define STARTFILE_SPEC \ + "%{!shared: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} \ + %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" + +/* Provide a ENDFILE_SPEC appropriate for ELF. Here we tack on the + magical crtend.o file which provides part of the support for + getting C++ file-scope static object constructed before entering + `main', followed by a normal ELF "finalizer" file, `crtn.o'. */ + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC \ + "%{!shared:crtend.o%s} %{shared:crtendS.o%s}" + +/* Implicit library calls should use memcpy, not bcopy, etc. */ + +#define TARGET_MEM_FUNCTIONS + +/* Handle #pragma weak and #pragma pack. */ + +#define HANDLE_SYSV_PRAGMA + +/* + * Some imports from svr4.h in support of shared libraries. + * Currently, we need the DECLARE_OBJECT_SIZE stuff. + */ + +/* This is how we tell the assembler that a symbol is weak. */ + +#undef ASM_WEAKEN_LABEL +#define ASM_WEAKEN_LABEL(FILE,NAME) \ + do { fputs ("\t.globl\t", FILE); assemble_name (FILE, NAME); \ + fputc ('\n', FILE); \ + fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \ + fputc ('\n', FILE); } while (0) + +/* 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). */ + +#undef TYPE_OPERAND_FMT +#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 |