| /* Definitions for 64-bit SPARC running Linux-based GNU systems with ELF. |
| Copyright 1996, 1997, 1998, 2000 Free Software Foundation, Inc. |
| Contributed by David S. Miller (davem@caip.rutgers.edu) |
| |
| 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 SPARC_BI_ARCH |
| |
| #define LINUX_DEFAULT_ELF |
| |
| /* Don't assume anything about the header files. */ |
| #define NO_IMPLICIT_EXTERN_C |
| |
| #undef DEFAULT_VTABLE_THUNKS |
| #define DEFAULT_VTABLE_THUNKS 1 |
| |
| #include <sparc/sysv4.h> |
| |
| #undef MD_EXEC_PREFIX |
| #undef MD_STARTFILE_PREFIX |
| |
| #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc |
| /* A 64 bit v9 compiler with stack-bias, |
| in a Medium/Low code model environment. */ |
| |
| #undef TARGET_DEFAULT |
| #define TARGET_DEFAULT \ |
| (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \ |
| + MASK_STACK_BIAS + MASK_APP_REGS + MASK_EPILOGUE + MASK_FPU + MASK_LONG_DOUBLE_128) |
| #endif |
| |
| /* Output at beginning of assembler file. */ |
| /* The .file command should always begin the output. */ |
| #undef ASM_FILE_START |
| #define ASM_FILE_START(FILE) \ |
| do { \ |
| output_file_directive (FILE, main_input_filename); \ |
| fprintf (FILE, "\t.version\t\"01.01\"\n"); \ |
| } while (0) |
| |
| #undef ASM_CPU_DEFAULT_SPEC |
| #define ASM_CPU_DEFAULT_SPEC "-Av9a" |
| |
| #ifdef SPARC_BI_ARCH |
| |
| #undef CPP_ARCH32_SPEC |
| #define CPP_ARCH32_SPEC "%{mlong-double-128:-D__LONG_DOUBLE_128__} \ |
| -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int \ |
| -D__GCC_NEW_VARARGS__ -Acpu=sparc -Amachine=sparc" |
| |
| #endif |
| |
| /* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add |
| the GNU/Linux magical crtbegin.o file (see crtstuff.c) which |
| provides part of the support for getting C++ file-scope static |
| object constructed before entering `main'. */ |
| |
| #undef STARTFILE_SPEC |
| |
| #define STARTFILE_SPEC32 \ |
| "%{!shared: \ |
| %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\ |
| crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" |
| |
| #define STARTFILE_SPEC64 \ |
| "%{!shared: \ |
| %{pg:/usr/lib64/gcrt1.o%s} %{!pg:%{p:/usr/lib64/gcrt1.o%s} %{!p:/usr/lib64/crt1.o%s}}}\ |
| /usr/lib64/crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" |
| |
| #ifdef SPARC_BI_ARCH |
| |
| #if DEFAULT_ARCH32_P |
| #define STARTFILE_SPEC "\ |
| %{m32:" STARTFILE_SPEC32 "} \ |
| %{m64:" STARTFILE_SPEC64 "} \ |
| %{!m32:%{!m64:" STARTFILE_SPEC32 "}}" |
| #else |
| #define STARTFILE_SPEC "\ |
| %{m32:" STARTFILE_SPEC32 "} \ |
| %{m64:" STARTFILE_SPEC64 "} \ |
| %{!m32:%{!m64:" STARTFILE_SPEC64 "}}" |
| #endif |
| |
| #else |
| |
| #define STARTFILE_SPEC STARTFILE_SPEC64 |
| |
| #endif |
| |
| /* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on |
| the GNU/Linux magical crtend.o file (see crtstuff.c) which |
| provides part of the support for getting C++ file-scope static |
| object constructed before entering `main', followed by a normal |
| GNU/Linux "finalizer" file, `crtn.o'. */ |
| |
| #undef ENDFILE_SPEC |
| |
| #define ENDFILE_SPEC32 \ |
| "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s" |
| |
| #define ENDFILE_SPEC64 \ |
| "%{!shared:crtend.o%s} %{shared:crtendS.o%s} /usr/lib64/crtn.o%s" |
| |
| #ifdef SPARC_BI_ARCH |
| |
| #if DEFAULT_ARCH32_P |
| #define ENDFILE_SPEC "\ |
| %{m32:" ENDFILE_SPEC32 "} \ |
| %{m64:" ENDFILE_SPEC64 "} \ |
| %{!m32:%{!m64:" ENDFILE_SPEC32 "}}" |
| #else |
| #define ENDFILE_SPEC "\ |
| %{m32:" ENDFILE_SPEC32 "} \ |
| %{m64:" ENDFILE_SPEC64 "} \ |
| %{!m32:%{!m64:" ENDFILE_SPEC64 "}}" |
| #endif |
| |
| #else |
| |
| #define ENDFILE_SPEC ENDFILE_SPEC64 |
| |
| #endif |
| |
| #undef TARGET_VERSION |
| #define TARGET_VERSION fprintf (stderr, " (sparc64 GNU/Linux with ELF)"); |
| |
| /* The default code model. */ |
| #undef SPARC_DEFAULT_CMODEL |
| #define SPARC_DEFAULT_CMODEL CM_MEDLOW |
| |
| #undef SUBTARGET_SWITCHES |
| #define SUBTARGET_SWITCHES \ |
| {"long-double-64", -MASK_LONG_DOUBLE_128, N_("Use 64 bit long doubles") }, \ |
| {"long-double-128", MASK_LONG_DOUBLE_128, N_("Use 128 bit long doubles") }, |
| |
| #undef WCHAR_TYPE |
| #define WCHAR_TYPE "int" |
| |
| #undef WCHAR_TYPE_SIZE |
| #define WCHAR_TYPE_SIZE 32 |
| |
| #undef MAX_WCHAR_TYPE_SIZE |
| |
| /* Define for support of TFmode long double and REAL_ARITHMETIC. |
| Sparc ABI says that long double is 4 words. */ |
| #undef LONG_DOUBLE_TYPE_SIZE |
| #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64) |
| |
| /* Constant which presents upper bound of the above value. */ |
| #undef MAX_LONG_DOUBLE_TYPE_SIZE |
| #define MAX_LONG_DOUBLE_TYPE_SIZE 128 |
| |
| /* Define this to set long double type size to use in libgcc2.c, which can |
| not depend on target_flags. */ |
| #if defined(__arch64__) || defined(__LONG_DOUBLE_128__) |
| #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128 |
| #else |
| #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64 |
| #endif |
| |
| #undef CPP_PREDEFINES |
| #define CPP_PREDEFINES "-D__ELF__ -Dunix -D_LONGLONG -D__sparc__ -Dlinux -Asystem=unix -Asystem=posix" |
| |
| #undef CPP_SUBTARGET_SPEC |
| #define CPP_SUBTARGET_SPEC "\ |
| %{fPIC:-D__PIC__ -D__pic__} \ |
| %{fpic:-D__PIC__ -D__pic__} \ |
| %{posix:-D_POSIX_SOURCE} \ |
| %{pthread:-D_REENTRANT} \ |
| " |
| |
| #undef LIB_SPEC |
| #define LIB_SPEC \ |
| "%{shared: -lc} \ |
| %{!shared: %{mieee-fp:-lieee} %{pthread:-lpthread} \ |
| %{profile:-lc_p} %{!profile: -lc}}" |
| |
| /* Provide a LINK_SPEC appropriate for GNU/Linux. Here we provide support |
| for the special GCC options -static and -shared, which allow us to |
| link things in one of these three modes by applying the appropriate |
| combinations of options at link-time. We like to support here for |
| as many of the other GNU linker options as possible. But I don't |
| have the time to search for those flags. I am sure how to add |
| support for -soname shared_object_name. H.J. |
| |
| I took out %{v:%{!V:-V}}. It is too much :-(. They can use |
| -Wl,-V. |
| |
| When the -shared link option is used a final link is not being |
| done. */ |
| |
| /* If ELF is the default format, we should not use /lib/elf. */ |
| |
| #ifdef SPARC_BI_ARCH |
| |
| #undef SUBTARGET_EXTRA_SPECS |
| #define SUBTARGET_EXTRA_SPECS \ |
| { "link_arch32", LINK_ARCH32_SPEC }, \ |
| { "link_arch64", LINK_ARCH64_SPEC }, \ |
| { "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \ |
| { "link_arch", LINK_ARCH_SPEC }, |
| |
| #define LINK_ARCH32_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \ |
| %{!shared: \ |
| %{!ibcs: \ |
| %{!static: \ |
| %{rdynamic:-export-dynamic} \ |
| %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \ |
| %{static:-static}}} \ |
| " |
| |
| #define LINK_ARCH64_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \ |
| %{!shared: \ |
| %{!ibcs: \ |
| %{!static: \ |
| %{rdynamic:-export-dynamic} \ |
| %{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \ |
| %{static:-static}}} \ |
| " |
| |
| #define LINK_ARCH_SPEC "\ |
| %{m32:%(link_arch32)} \ |
| %{m64:%(link_arch64)} \ |
| %{!m32:%{!m64:%(link_arch_default)}} \ |
| " |
| |
| #define LINK_ARCH_DEFAULT_SPEC \ |
| (DEFAULT_ARCH32_P ? LINK_ARCH32_SPEC : LINK_ARCH64_SPEC) |
| |
| #undef LINK_SPEC |
| #define LINK_SPEC "\ |
| %(link_arch) \ |
| %{mlittle-endian:-EL} \ |
| %{!mno-relax:%{!r:-relax}} \ |
| " |
| |
| #undef CC1_SPEC |
| #if DEFAULT_ARCH32_P |
| #define CC1_SPEC "\ |
| %{sun4:} %{target:} \ |
| %{mcypress:-mcpu=cypress} \ |
| %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \ |
| %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \ |
| %{m64:-mptr64 -mstack-bias -mlong-double-128 \ |
| %{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=ultrasparc}}}}}}} \ |
| %{!mno-vis:%{!mcpu=v9:-mvis}}} \ |
| %{!m64:%{g*:%{!gs*:%{!gd*:%{!gx*:%{!gc*:-gstabs+}}}}}} \ |
| " |
| #else |
| #define CC1_SPEC "\ |
| %{sun4:} %{target:} \ |
| %{mcypress:-mcpu=cypress} \ |
| %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \ |
| %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \ |
| %{m32:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \ |
| %{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=cypress}}}}}}} \ |
| %{g*:%{!gs*:%{!gd*:%{!gx*:%{!gc*:-gstabs+}}}}}} \ |
| %{!m32:%{!mcpu*:-mcpu=ultrasparc}} \ |
| %{!mno-vis:%{!m32:%{!mcpu=v9:-mvis}}} \ |
| " |
| #endif |
| |
| #if DEFAULT_ARCH32_P |
| #define MULTILIB_DEFAULTS { "m32" } |
| #else |
| #define MULTILIB_DEFAULTS { "m64" } |
| #endif |
| |
| #else /* !SPARC_BI_ARCH */ |
| |
| #undef LINK_SPEC |
| #define LINK_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \ |
| %{!shared: \ |
| %{!ibcs: \ |
| %{!static: \ |
| %{rdynamic:-export-dynamic} \ |
| %{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \ |
| %{static:-static}}} \ |
| %{mlittle-endian:-EL} \ |
| %{!mno-relax:%{!r:-relax}} \ |
| " |
| |
| #endif /* !SPARC_BI_ARCH */ |
| |
| /* The sun bundled assembler doesn't accept -Yd, (and neither does gas). |
| It's safe to pass -s always, even if -g is not used. */ |
| #undef ASM_SPEC |
| #define ASM_SPEC "\ |
| %{V} \ |
| %{v:%{!V:-V}} \ |
| %{!Qn:-Qy} \ |
| %{n} \ |
| %{T} \ |
| %{Ym,*} \ |
| %{Wa,*:%*} \ |
| -s %{fpic:-K PIC} %{fPIC:-K PIC} \ |
| %{mlittle-endian:-EL} \ |
| %(asm_cpu) %(asm_arch) %(asm_relax)" |
| |
| /* Same as sparc.h */ |
| #undef DBX_REGISTER_NUMBER |
| #define DBX_REGISTER_NUMBER(REGNO) (REGNO) |
| |
| /* System V Release 4 uses DWARF debugging info. Buf DWARF1 doesn't do |
| 64-bit anything, so we use DWARF2. */ |
| |
| #undef DWARF2_DEBUGGING_INFO |
| #undef DWARF_DEBUGGING_INFO |
| #undef DBX_DEBUGGING_INFO |
| #define DWARF2_DEBUGGING_INFO |
| #define DBX_DEBUGGING_INFO |
| |
| #undef PREFERRED_DEBUGGING_TYPE |
| #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG |
| |
| #undef ASM_OUTPUT_ALIGNED_LOCAL |
| #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ |
| do { \ |
| fputs ("\t.local\t", (FILE)); \ |
| assemble_name ((FILE), (NAME)); \ |
| putc ('\n', (FILE)); \ |
| ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \ |
| } while (0) |
| |
| #undef COMMON_ASM_OP |
| #define COMMON_ASM_OP "\t.common\t" |
| |
| /* This is how to output a definition of an internal numbered label where |
| PREFIX is the class of label and NUM is the number within the class. */ |
| |
| #undef ASM_OUTPUT_INTERNAL_LABEL |
| #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ |
| fprintf (FILE, ".L%s%d:\n", PREFIX, NUM) |
| |
| /* This is how to output a reference to an internal numbered label where |
| PREFIX is the class of label and NUM is the number within the class. */ |
| |
| #undef ASM_OUTPUT_INTERNAL_LABELREF |
| #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \ |
| fprintf (FILE, ".L%s%d", PREFIX, NUM) |
| |
| /* This is how to store into the string LABEL |
| the symbol_ref name of an internal numbered label where |
| PREFIX is the class of label and NUM is the number within the class. |
| This is suitable for output with `assemble_name'. */ |
| |
| #undef ASM_GENERATE_INTERNAL_LABEL |
| #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ |
| sprintf (LABEL, "*.L%s%d", PREFIX, NUM) |
| |
| /* Define the names of various pseudo-ops used by the Sparc/svr4 assembler. |
| ??? If ints are 64 bits then UNALIGNED_INT_ASM_OP (defined elsewhere) is |
| misnamed. These should all refer to explicit sizes (half/word/xword?), |
| anything other than short/int/long/etc. */ |
| |
| #define UNALIGNED_DOUBLE_INT_ASM_OP "\t.uaxword\t" |
| |
| /* DWARF bits. */ |
| |
| /* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets. |
| Obviously the Dwarf2 folks havn't tried to actually build systems |
| with their spec. On a 64-bit system, only 64-bit relocs become |
| RELATIVE relocations. */ |
| |
| /* #define DWARF_OFFSET_SIZE PTR_SIZE */ |
| |
| #if TARGET_ARCH32 |
| /* Override MACHINE_STATE_{SAVE,RESTORE} because we have special |
| traps available which can get and set the condition codes |
| reliably. */ |
| #undef MACHINE_STATE_SAVE |
| #define MACHINE_STATE_SAVE(ID) \ |
| unsigned long int ms_flags, ms_saveret; \ |
| asm volatile("ta 0x20\n\t" \ |
| "mov %%g1, %0\n\t" \ |
| "mov %%g2, %1\n\t" \ |
| : "=r" (ms_flags), "=r" (ms_saveret)); |
| |
| #undef MACHINE_STATE_RESTORE |
| #define MACHINE_STATE_RESTORE(ID) \ |
| asm volatile("mov %0, %%g1\n\t" \ |
| "mov %1, %%g2\n\t" \ |
| "ta 0x21\n\t" \ |
| : /* no outputs */ \ |
| : "r" (ms_flags), "r" (ms_saveret)); |
| #endif /* sparc32 */ |
| |
| /* 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 (); \ |
| if (TARGET_ARCH64) \ |
| fprintf (FILE, "\t%s\t ", ASM_LONGLONG); \ |
| else \ |
| fprintf (FILE, "%s", INT_ASM_OP); \ |
| assemble_name (FILE, NAME); \ |
| fprintf (FILE, "\n"); \ |
| } while (0) |
| |
| /* 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 (); \ |
| if (TARGET_ARCH64) \ |
| fprintf (FILE, "\t%s\t ", ASM_LONGLONG); \ |
| else \ |
| fprintf (FILE, "%s", INT_ASM_OP); \ |
| assemble_name (FILE, NAME); \ |
| fprintf (FILE, "\n"); \ |
| } while (0) |