X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=gcc%2Fconfig%2Fsparc%2Fsol2.h;h=139f5b39dffdfcb0df0d842418bcdd4ea1dbe48a;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=56bfbb7f14c1ef78d0d92f004e96d7749358f3a4;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git
diff --git a/gcc/config/sparc/sol2.h b/gcc/config/sparc/sol2.h
index 56bfbb7f..139f5b39 100644
--- a/gcc/config/sparc/sol2.h
+++ b/gcc/config/sparc/sol2.h
@@ -1,74 +1,27 @@
-/* Definitions of target machine for GNU compiler, for SPARC running Solaris 2
- Copyright 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
- Free Software Foundation, Inc.
+/* Definitions of target machine for GCC, for SPARC running Solaris 2
+ Copyright 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005,
+ 2006, 2007, 2008 Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@netcom.com).
Additional changes by David V. Henkel-Wallace (gumby@cygnus.com).
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+GCC 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)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+GCC 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. */
+along with GCC; see the file COPYING3. If not see
+. */
/* 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) \
-"
-
/* This is here rather than in sparc.h because it's not known what
other assemblers will accept. */
@@ -82,49 +35,47 @@ Boston, MA 02111-1307, USA. */
#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusa"
#endif
+#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3
+#undef ASM_CPU_DEFAULT_SPEC
+#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusb"
+#endif
+
+#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara
+#undef ASM_CPU_DEFAULT_SPEC
+#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusb"
+#endif
+
+#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara2
+#undef ASM_CPU_DEFAULT_SPEC
+#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusb"
+#endif
+
#undef ASM_CPU_SPEC
#define ASM_CPU_SPEC "\
-%{mcpu=v8plus:-xarch=v8plus} \
%{mcpu=v9:-xarch=v8plus} \
%{mcpu=ultrasparc:-xarch=v8plusa} \
+%{mcpu=ultrasparc3:-xarch=v8plusb} \
+%{mcpu=niagara:-xarch=v8plusb} \
+%{mcpu=niagara2:-xarch=v8plusb} \
%{!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. */
-/* Same as sparc.h */
-#undef DBX_REGISTER_NUMBER
-#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) \
- fprintf (FILE, "\t.skip %u\n", (SIZE))
+ fprintf (FILE, "\t.skip %u\n", (int)(SIZE))
#undef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."
-/* 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.
@@ -132,77 +83,45 @@ Boston, MA 02111-1307, USA. */
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
- sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
-
+ sprintf ((LABEL), "*.L%s%lu", (PREFIX), (unsigned long)(NUM))
+
+/* The native TLS-enabled assembler requires the directive #tls_object
+ to be put on objects in TLS sections (as of v7.1). This is not
+ required by the GNU assembler but supported on SPARC. */
+#undef ASM_DECLARE_OBJECT_NAME
+#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
+ do \
+ { \
+ HOST_WIDE_INT size; \
+ \
+ if (targetm.have_tls && DECL_THREAD_LOCAL_P (DECL)) \
+ ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "tls_object"); \
+ else \
+ ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
+ \
+ size_directive_output = 0; \
+ if (!flag_inhibit_size_directive \
+ && (DECL) && DECL_SIZE (DECL)) \
+ { \
+ size_directive_output = 1; \
+ size = int_size_in_bytes (TREE_TYPE (DECL)); \
+ ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \
+ } \
+ \
+ ASM_OUTPUT_LABEL (FILE, NAME); \
+ } \
+ while (0)
+
+/* The Solaris assembler cannot grok .stabd directives. */
+#undef NO_DBX_BNSYM_ENSYM
+#define NO_DBX_BNSYM_ENSYM 1
-/* 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.
@@ -213,94 +132,65 @@ Boston, MA 02111-1307, USA. */
#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
((flag_pic || GLOBAL) ? DW_EH_PE_aligned : DW_EH_PE_absptr)
#endif
+
-/* ??? 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"
-#define MODDI3_LIBCALL "__rem64"
-#define UMODDI3_LIBCALL "__urem64"
-
/* Solaris's _Qp_* library routine implementation clobbers the output
memory before the inputs are fully consumed. */
#undef TARGET_BUGGY_QP_LIB
#define TARGET_BUGGY_QP_LIB 1
-#undef INIT_SUBTARGET_OPTABS
-#define INIT_SUBTARGET_OPTABS \
- fixsfdi_libfunc \
- = init_one_libfunc (TARGET_ARCH64 ? "__ftol" : "__ftoll"); \
- fixunssfdi_libfunc \
- = init_one_libfunc (TARGET_ARCH64 ? "__ftoul" : "__ftoull"); \
- fixdfdi_libfunc \
- = init_one_libfunc (TARGET_ARCH64 ? "__dtol" : "__dtoll"); \
- fixunsdfdi_libfunc \
- = init_one_libfunc (TARGET_ARCH64 ? "__dtoul" : "__dtoull")
+#undef SUN_CONVERSION_LIBFUNCS
+#define SUN_CONVERSION_LIBFUNCS 1
+
+#undef DITF_CONVERSION_LIBFUNCS
+#define DITF_CONVERSION_LIBFUNCS 1
+
+#undef SUN_INTEGER_MULTIPLY_64
+#define SUN_INTEGER_MULTIPLY_64 1
/* 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
-#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_APP_REGS + MASK_FPU \
+ + MASK_LONG_DOUBLE_128)
+
+/* Solaris-specific #pragmas are implemented on top of attributes. Hook in
+ the bits from config/sol2.c. */
+#define SUBTARGET_INSERT_ATTRIBUTES solaris_insert_attributes
+#define SUBTARGET_ATTRIBUTE_TABLE SOLARIS_ATTRIBUTE_TABLE
+
+/* Register the Solaris-specific #pragma directives. */
+#define REGISTER_TARGET_PRAGMAS() solaris_register_pragmas ()
+
+/* Output a simple call for .init/.fini. */
+#define ASM_OUTPUT_CALL(FILE, FN) \
+ do \
+ { \
+ fprintf (FILE, "\tcall\t"); \
+ print_operand (FILE, XEXP (DECL_RTL (FN), 0), 0); \
+ fprintf (FILE, "\n\tnop\n"); \
+ } \
+ while (0)
+
+/* Solaris 'as' has a bug: a .common directive in .tbss section
+ behaves as .tls_common rather than normal non-TLS .common. */
+#undef ASM_OUTPUT_ALIGNED_COMMON
+#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
+ do \
+ { \
+ if (TARGET_SUN_TLS \
+ && in_section \
+ && ((in_section->common.flags & (SECTION_TLS | SECTION_BSS)) \
+ == (SECTION_TLS | SECTION_BSS))) \
+ switch_to_section (bss_section); \
+ fprintf ((FILE), "%s", COMMON_ASM_OP); \
+ assemble_name ((FILE), (NAME)); \
+ fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
+ (SIZE), (ALIGN) / BITS_PER_UNIT); \
+ } \
+ while (0)