diff options
Diffstat (limited to 'contrib/gcc/config/sparc/sol2.h')
| -rw-r--r-- | contrib/gcc/config/sparc/sol2.h | 177 |
1 files changed, 9 insertions, 168 deletions
diff --git a/contrib/gcc/config/sparc/sol2.h b/contrib/gcc/config/sparc/sol2.h index 56bfbb7f14c1..3026e405f61c 100644 --- a/contrib/gcc/config/sparc/sol2.h +++ b/contrib/gcc/config/sparc/sol2.h @@ -23,51 +23,8 @@ Boston, MA 02111-1307, USA. */ /* Supposedly the same as vanilla sparc svr4, except for the stuff below: */ -/* Solaris 2 (at least as of 2.5.1) uses a 32-bit wchar_t. */ -#undef WCHAR_TYPE -#define WCHAR_TYPE "long int" - -#undef WCHAR_TYPE_SIZE -#define WCHAR_TYPE_SIZE 32 - -/* Solaris 2 uses a wint_t different from the default. This is required - by the SCD 2.4.1, p. 6-83, Figure 6-66. */ -#undef WINT_TYPE -#define WINT_TYPE "long int" - -#undef WINT_TYPE_SIZE -#define WINT_TYPE_SIZE 32 - -#define HANDLE_PRAGMA_REDEFINE_EXTNAME 1 - #undef CPP_PREDEFINES -#define CPP_PREDEFINES \ -"-Dsparc -Dsun -Dunix -D__svr4__ -D__SVR4 -D__PRAGMA_REDEFINE_EXTNAME \ --Asystem=unix -Asystem=svr4" - -#undef CPP_SUBTARGET_SPEC -#define CPP_SUBTARGET_SPEC "\ -%{pthreads:-D_REENTRANT -D_PTHREADS} \ -%{!pthreads:%{threads:-D_REENTRANT -D_SOLARIS_THREADS}} \ -%{compat-bsd:-iwithprefixbefore ucbinclude -I/usr/ucbinclude} \ -" - -/* For C++ we need to add some additional macro definitions required - by the C++ standard library. */ -#define CPLUSPLUS_CPP_SPEC "\ --D_XOPEN_SOURCE=500 -D_LARGEFILE_SOURCE=1 -D_LARGEFILE64_SOURCE=1 \ --D__EXTENSIONS__ \ -%(cpp) \ -" - -/* 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} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \ -%{fpic:-K PIC} %{fPIC:-K PIC} \ -%(asm_cpu) \ -" +#define CPP_PREDEFINES "-Dsparc" /* This is here rather than in sparc.h because it's not known what other assemblers will accept. */ @@ -90,6 +47,11 @@ Boston, MA 02111-1307, USA. */ %{!mcpu*:%(asm_cpu_default)} \ " +#undef SUBTARGET_EXTRA_SPECS +#define SUBTARGET_EXTRA_SPECS \ + { "startfile_arch", STARTFILE_ARCH_SPEC }, \ + { "link_arch", LINK_ARCH_SPEC } + /* However it appears that Solaris 2.0 uses the same reg numbering as the old BSD-style system did. */ @@ -98,11 +60,6 @@ Boston, MA 02111-1307, USA. */ #define DBX_REGISTER_NUMBER(REGNO) \ (TARGET_FLAT && (REGNO) == HARD_FRAME_POINTER_REGNUM ? 31 : REGNO) -/* We use stabs-in-elf by default, because that is what the native - toolchain uses. */ -#undef PREFERRED_DEBUGGING_TYPE -#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG - /* The Solaris 2 assembler uses .skip, not .zero, so put this back. */ #undef ASM_OUTPUT_SKIP #define ASM_OUTPUT_SKIP(FILE,SIZE) \ @@ -135,74 +92,12 @@ Boston, MA 02111-1307, USA. */ sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM)) -/* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us. - We don't use the standard LIB_SPEC only because we don't yet support c++ */ - -#undef STARTFILE_SPEC -#define STARTFILE_SPEC "%{!shared: \ - %{!symbolic: \ - %{p:mcrt1.o%s} \ - %{!p: \ - %{pg:gcrt1.o%s gmon.o%s} \ - %{!pg:crt1.o%s}}}} \ - crti.o%s \ - %{ansi:values-Xc.o%s} \ - %{!ansi: \ - %{traditional:values-Xt.o%s} \ - %{!traditional:values-Xa.o%s}} \ - crtbegin.o%s" - -/* ??? Note: in order for -compat-bsd to work fully, - we must somehow arrange to fixincludes /usr/ucbinclude - and put the result in $(libsubdir)/ucbinclude. */ - -#undef LIB_SPEC -#define LIB_SPEC \ - "%{compat-bsd:-lucb -lsocket -lnsl -lelf -laio} \ - %{!shared:\ - %{!symbolic:\ - %{pthreads:-lpthread} \ - %{!pthreads:%{threads:-lthread}} \ - %{p|pg:-ldl} -lc}}" #undef ENDFILE_SPEC #define ENDFILE_SPEC \ "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ crtend.o%s crtn.o%s" -/* This should be the same as in svr4.h, except with -R added. */ -#undef LINK_SPEC -#define LINK_SPEC \ - "%{h*} %{v:-V} \ - %{b} %{Wl,*:%*} \ - %{static:-dn -Bstatic} \ - %{shared:-G -dy %{!mimpure-text:-z text}} \ - %{symbolic:-Bsymbolic -G -dy -z text} \ - %{G:-G} \ - %{YP,*} \ - %{R*} \ - %{compat-bsd: \ - %{!YP,*:%{pg:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ - %{!pg:%{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ - %{!p:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}}} \ - -R /usr/ucblib} \ - %{!compat-bsd: \ - %{!YP,*:%{pg:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ - %{!pg:%{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ - %{!p:-Y P,/usr/ccs/lib:/usr/lib}}}} \ - %{Qy:} %{!Qn:-Qy}" - -/* This defines which switch letters take arguments. - It is as in svr4.h but with -R added. */ - -#undef SWITCH_TAKES_ARG -#define SWITCH_TAKES_ARG(CHAR) \ - (DEFAULT_SWITCH_TAKES_ARG(CHAR) \ - || (CHAR) == 'R' \ - || (CHAR) == 'h' \ - || (CHAR) == 'x' \ - || (CHAR) == 'z') - /* 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 true if the symbol may be affected by dynamic relocations. @@ -216,15 +111,13 @@ Boston, MA 02111-1307, USA. */ /* ??? This does not work in SunOS 4.x, so it is not enabled in sparc.h. Instead, it is enabled here, because it does work under Solaris. */ -/* Define for support of TFmode long double and REAL_ARITHMETIC. - Sparc ABI says that long double is 4 words. */ +/* Define for support of TFmode long double. + SPARC ABI says that long double is 4 words. */ #define LONG_DOUBLE_TYPE_SIZE 128 /* But indicate that it isn't supported by the hardware. */ #define WIDEST_HARDWARE_FP_SIZE 64 -#define STDC_0_IN_SYSTEM_HEADERS 1 - #define MULDI3_LIBCALL "__mul64" #define DIVDI3_LIBCALL "__div64" #define UDIVDI3_LIBCALL "__udiv64" @@ -251,56 +144,4 @@ Boston, MA 02111-1307, USA. */ /* Solaris allows 64 bit out and global registers in 32 bit mode. sparc_override_options will disable V8+ if not generating V9 code. */ #undef TARGET_DEFAULT -#define TARGET_DEFAULT (MASK_FPU + MASK_V8PLUS + MASK_LONG_DOUBLE_128) - -/* - * Attempt to turn on access permissions for the stack. - * - * This code must be defined when compiling gcc but not when compiling - * libgcc2.a, unless we're generating code for 64 bits SPARC - * - * _SC_STACK_PROT is only defined for post 2.6, but we want this code - * to run always. 2.6 can change the stack protection but has no way to - * query it. - * - */ - -/* This declares mprotect (used in TRANSFER_FROM_TRAMPOLINE) for - libgcc2.c. */ -/* We don't want to include this because sys/mman.h is not present on - some non-Solaris configurations that use sol2.h. */ -#if 0 /* def L_trampoline */ -#include <sys/mman.h> -#endif - -#define TRANSFER_FROM_TRAMPOLINE \ -static int need_enable_exec_stack; \ - \ -static void check_enabling(void) __attribute__ ((constructor)); \ -static void check_enabling(void) \ -{ \ - extern long sysconf(int); \ - \ - int prot = (int) sysconf(515 /*_SC_STACK_PROT */); \ - if (prot != 7) \ - need_enable_exec_stack = 1; \ -} \ - \ -extern void __enable_execute_stack (void *); \ -void \ -__enable_execute_stack (addr) \ - void *addr; \ -{ \ - if (!need_enable_exec_stack) \ - return; \ - else { \ - long size = getpagesize (); \ - long mask = ~(size-1); \ - char *page = (char *) (((long) addr) & mask); \ - char *end = (char *) ((((long) (addr + TRAMPOLINE_SIZE)) & mask) + size); \ - \ - /* 7 is PROT_READ | PROT_WRITE | PROT_EXEC */ \ - if (mprotect (page, end - page, 7) < 0) \ - perror ("mprotect of trampoline code"); \ - } \ -} +#define TARGET_DEFAULT (MASK_V8PLUS + MASK_FPU + MASK_LONG_DOUBLE_128) |