CbC/CbC_gcc: gcc/config/rs6000/sysv4.h comparison

comparison gcc/config/rs6000/sysv4.h @ 67:f6334be47118

update gcc from gcc-4.6-20100522 to gcc-4.6-20110318

author	nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date	Tue, 22 Mar 2011 17:18:12 +0900
parents	77e2b8dfacca
children	04ced10e8804

comparison

equal deleted inserted replaced

-:65488c3d617d
+:f6334be47118
 /* Target definitions for GNU compiler for PowerPC running System V.4
 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
-2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
+2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+Free Software Foundation, Inc.
 Contributed by Cygnus Support.
 This file is part of GCC.
 GCC is free software; you can redistribute it and/or modify it
 #define RS6000_ABI_NAME "sysv"
 /* Override rs6000.h definition.  */
 #undef	ASM_DEFAULT_SPEC
 #define	ASM_DEFAULT_SPEC "-mppc"
-/* Small data support types.  */
-enum rs6000_sdata_type {
-SDATA_NONE,			/* No small data support.  */
-SDATA_DATA,			/* Just put data in .sbss/.sdata, don't use relocs.  */
-SDATA_SYSV,			/* Use r13 to point to .sdata/.sbss.  */
-SDATA_EABI			/* Use r13 like above, r2 points to .sdata2/.sbss2.  */
-};
-extern enum rs6000_sdata_type rs6000_sdata;
 #define	TARGET_TOC		((target_flags & MASK_64BIT)		\
 				 || ((target_flags & (MASK_RELOCATABLE	\
 						      | MASK_MINIMAL_TOC)) \
 				     && flag_pic > 1)			\
 #ifdef HAVE_AS_REL16
 #undef TARGET_SECURE_PLT
 #define TARGET_SECURE_PLT	secure_plt
 #endif
-extern const char *rs6000_abi_name;
-extern const char *rs6000_sdata_name;
-extern const char *rs6000_tls_size_string; /* For -mtls-size= */
 #define SDATA_DEFAULT_SIZE 8
-/* Sometimes certain combinations of command options do not make sense
+/* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
-on a particular target machine.  You can define a macro
+get control in TARGET_OPTION_OVERRIDE.  */
-`OVERRIDE_OPTIONS' to take account of this.  This macro, if
-defined, is executed once just after all the command options have
-been parsed.
-The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
-get control.  */
 #define SUBTARGET_OVERRIDE_OPTIONS					\
 do {									\
-if (!g_switch_set)							\
+if (!global_options_set.x_g_switch_value)				\
 g_switch_value = SDATA_DEFAULT_SIZE;				\
 									\
 if (rs6000_abi_name == NULL)						\
 rs6000_abi_name = RS6000_ABI_NAME;					\
 									\
 target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC;		\
 TARGET_NO_FP_IN_TOC = 1;						\
 }									\
 									\
 else if (TARGET_RELOCATABLE)						\
-flag_pic = 2;							\
+if (!flag_pic)							\
+flag_pic = 2;							\
 } while (0)
 #ifndef RS6000_BI_ARCH
 # define SUBSUBTARGET_OVERRIDE_OPTIONS					\
 do {									\
 /* Override default big endianism definitions in rs6000.h.  */
 #undef	BYTES_BIG_ENDIAN
 #undef	WORDS_BIG_ENDIAN
 #define	BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN)
 #define	WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN)
-/* Define this to set the endianness to use in libgcc2.c, which can
-not depend on target_flags.  */
-#if !defined(__LITTLE_ENDIAN__) && !defined(__sun__)
-#define LIBGCC2_WORDS_BIG_ENDIAN 1
-#else
-#define LIBGCC2_WORDS_BIG_ENDIAN 0
-#endif
 /* Define cutoff for using external functions to save floating point.
 When optimizing for size, use external functions when profitable.  */
 #define FP_SAVE_INLINE(FIRST_REG) (optimize_size			\
 				   ? ((FIRST_REG) == 62			\
 /* Prefix and suffix to use to restoring floating point.  */
 #define	RESTORE_FP_PREFIX "_restfpr_"
 #define RESTORE_FP_SUFFIX ""
+/* Type used for size_t, as a string used in a declaration.  */
+#undef  SIZE_TYPE
+#define SIZE_TYPE "unsigned int"
 /* Type used for ptrdiff_t, as a string used in a declaration.  */
 #define PTRDIFF_TYPE "int"
-/* Type used for wchar_t, as a string used in a declaration.  */
-/* Override svr4.h definition.  */
 #undef	WCHAR_TYPE
 #define WCHAR_TYPE "long int"
-/* Width of wchar_t in bits.  */
-/* Override svr4.h definition.  */
 #undef	WCHAR_TYPE_SIZE
 #define WCHAR_TYPE_SIZE 32
 /* Make int foo : 8 not cause structures to be aligned to an int boundary.  */
 /* Override elfos.h definition.  */
 /* Write the extra assembler code needed to declare a function properly.
 Some svr4 assemblers need to also have something extra said about the
 function's return value.  We allow for that here.  */
-extern int rs6000_pic_labelno;
 /* Override elfos.h definition.  */
 #undef	ASM_DECLARE_FUNCTION_NAME
 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL)			\
 rs6000_elf_declare_function_name ((FILE), (NAME), (DECL))
 /* The USER_LABEL_PREFIX stuff is affected by the -fleading-underscore
 flag.  The LOCAL_LABEL_PREFIX variable is used by dbxelf.h.  */
 #define	LOCAL_LABEL_PREFIX "."
 #define	USER_LABEL_PREFIX ""
-/* svr4.h overrides (*targetm.asm_out.internal_label).  */
 #define	ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX)	\
 asm_fprintf (FILE, "%L%s", PREFIX)
 /* Globalizing directive for a label.  */
 asm_fprintf (FILE,							\
 		 "\t{l|lwz} %s,12(%s)\n\t{ai|addic} %s,%s,16\n",	\
 		 reg_names[REGNO], reg_names[1], reg_names[1],		\
 		 reg_names[1]);						\
 } while (0)
-/* Switch  Recognition by gcc.c.  Add -G xx support.  */
-/* Override svr4.h definition.  */
-#undef	SWITCH_TAKES_ARG
-#define	SWITCH_TAKES_ARG(CHAR)						\
-((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o'			\
-|| (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u'			\
-|| (CHAR) == 'I' || (CHAR) == 'm' || (CHAR) == 'x'			\
-|| (CHAR) == 'L' || (CHAR) == 'A' || (CHAR) == 'V'			\
-|| (CHAR) == 'B' || (CHAR) == 'b' || (CHAR) == 'G')
 extern int fixuplabelno;
 /* Handle constructors specially for -mrelocatable.  */
 #define TARGET_ASM_CONSTRUCTOR  rs6000_elf_asm_out_constructor
 TARGET_OS_SYSV_CPP_BUILTINS ();		\
 }						\
 while (0)
 #endif
-/* Pass various options to the assembler.  */
-/* Override svr4.h definition.  */
 #undef	ASM_SPEC
 #define	ASM_SPEC "%(asm_cpu) \
-%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}}" \
+%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}} \
-SVR4_ASM_SPEC \
+%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
-"%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
 %{memb|msdata=eabi: -memb} \
 %{mlittle|mlittle-endian:-mlittle; \
 mbig|mbig-endian      :-mbig;    \
 mcall-aixdesc |		   \
 mcall-freebsd |		   \
 %{msdata: -msdata=default} \
 %{mno-sdata: -msdata=none} \
 %{!mbss-plt: %{!msecure-plt: %(cc1_secure_plt_default)}} \
 %{profile: -p}"
-/* Don't put -Y P,<path> for cross compilers.  */
-#ifndef CROSS_DIRECTORY_STRUCTURE
-#define LINK_PATH_SPEC "\
-%{!R*:%{L*:-R %*}} \
-%{!nostdlib: %{!YP,*: \
-%{compat-bsd: \
-	%{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*: %{!L*: -R /usr/ucblib}} \
-%{!compat-bsd: \
-	%{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
-	%{!p:-Y P,/usr/ccs/lib:/usr/lib}}}}"
-#else
-#define LINK_PATH_SPEC ""
-#endif
 /* Default starting address if specified.  */
 #define LINK_START_SPEC "\
 %{mads         : %(link_start_ads)         ; \
 myellowknife : %(link_start_yellowknife) ; \
 mmvme        : %(link_start_mvme)        ; \
 mcall-openbsd: %(link_start_openbsd)     ; \
 : %(link_start_default)     }"
 #define LINK_START_DEFAULT_SPEC ""
-/* Override svr4.h definition.  */
 #undef	LINK_SPEC
 #define	LINK_SPEC "\
 %{h*} %{v:-V} %{!msdata=none:%{G*}} %{msdata=none:-G0} \
-%{YP,*} %{R*} \
+%{R*} \
-%{Qy:} %{!Qn:-Qy} \
 %(link_shlib) \
-%{!Wl,-T*: %{!T*: %(link_start) }} \
+%{!T*: %(link_start) } \
 %(link_target) \
 %(link_os)"
-/* For now, turn off shared libraries by default.  */
-#ifndef SHARED_LIB_SUPPORT
-#define NO_SHARED_LIB_SUPPORT
-#endif
-#ifndef NO_SHARED_LIB_SUPPORT
-/* Shared libraries are default.  */
-#define LINK_SHLIB_SPEC "\
-%{!static: %(link_path) %{!R*:%{L*:-R %*}}} \
-%{mshlib: } \
-%{static:-dn -Bstatic} \
-%{shared:-G -dy -z text} \
-%{symbolic:-Bsymbolic -G -dy -z text}"
-#else
 /* Shared libraries are not default.  */
 #define LINK_SHLIB_SPEC "\
-%{mshlib: %(link_path) } \
 %{!mshlib: %{!shared: %{!symbolic: -dn -Bstatic}}} \
 %{static: } \
-%{shared:-G -dy -z text %(link_path) } \
+%{shared:-G -dy -z text } \
-%{symbolic:-Bsymbolic -G -dy -z text %(link_path) }"
+%{symbolic:-Bsymbolic -G -dy -z text }"
-#endif
 /* Override the default target of the linker.  */
 #define	LINK_TARGET_SPEC "\
 %{mlittle: --oformat elf32-powerpcle } %{mlittle-endian: --oformat elf32-powerpcle } \
 %{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
 mcall-openbsd: %(cpp_os_openbsd)     ; \
 : %(cpp_os_default)     }"
 #define	CPP_OS_DEFAULT_SPEC ""
-/* Override svr4.h definition.  */
 #undef	STARTFILE_SPEC
 #define	STARTFILE_SPEC "\
 %{mads         : %(startfile_ads)         ; \
 myellowknife : %(startfile_yellowknife) ; \
 mmvme        : %(startfile_mvme)        ; \
 mcall-openbsd: %(startfile_openbsd)     ; \
 : %(startfile_default)     }"
 #define	STARTFILE_DEFAULT_SPEC "ecrti.o%s crtbegin.o%s"
-/* Override svr4.h definition.  */
 #undef	LIB_SPEC
 #define	LIB_SPEC "\
 %{mads         : %(lib_ads)         ; \
 myellowknife : %(lib_yellowknife) ; \
 mmvme        : %(lib_mvme)        ; \
 mcall-openbsd: %(lib_openbsd)     ; \
 : %(lib_default)     }"
 #define LIB_DEFAULT_SPEC "-lc"
-/* Override svr4.h definition.  */
 #undef	ENDFILE_SPEC
 #define	ENDFILE_SPEC "\
 %{mads         : %(endfile_ads)         ; \
 myellowknife : %(endfile_yellowknife) ; \
 mmvme        : %(endfile_mvme)        ; \
 #define ENDFILE_FREEBSD_SPEC	FBSD_ENDFILE_SPEC
 #define LIB_FREEBSD_SPEC	FBSD_LIB_SPEC
 #define LINK_START_FREEBSD_SPEC	""
 #define LINK_OS_FREEBSD_SPEC "\
-%{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \
+%{p:%nconsider using '-pg' instead of '-p' with gprof(1)} \
 %{v:-V} \
 %{assert*} %{R*} %{rpath*} %{defsym*} \
 %{shared:-Bshareable %{h*} %{soname*}} \
 %{!shared: \
 %{!static: \
 %{rdynamic: -export-dynamic} \
-%{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }} \
+-dynamic-linker %(fbsd_dynamic_linker) } \
 %{static:-Bstatic}} \
 %{symbolic:-Bsymbolic}"
 /* GNU/Linux support.  */
 #define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \
 #define LINK_START_LINUX_SPEC ""
 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
 #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
-#if UCLIBC_DEFAULT
+#if DEFAULT_LIBC == LIBC_UCLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
+#elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
 #else
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
+#error "Unsupported DEFAULT_LIBC"
 #endif
 #define LINUX_DYNAMIC_LINKER \
 CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
 #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
 %{rdynamic:-export-dynamic} \
-%{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}}}"
+-dynamic-linker " LINUX_DYNAMIC_LINKER "}}"
 #if defined(HAVE_LD_EH_FRAME_HDR)
 # define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
 #endif
 #define LINK_START_GNU_SPEC ""
 #define LINK_OS_GNU_SPEC "-m elf32ppclinux %{!shared: %{!static: \
 %{rdynamic:-export-dynamic} \
-%{!dynamic-linker:-dynamic-linker /lib/ld.so.1}}}"
+-dynamic-linker /lib/ld.so.1}}"
 #define CPP_OS_GNU_SPEC "-D__unix__ -D__gnu_hurd__ -D__GNU__	\
 %{!undef:					                \
 %{!ansi: -Dunix -D__unix}}			                \
 -Asystem=gnu -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
 /* NetBSD support.  */
 #define LIB_NETBSD_SPEC "\
-%{profile:-lgmon -lc_p} %{!profile:-lc}"
+-lc"
 #define	STARTFILE_NETBSD_SPEC "\
 ncrti.o%s crt0.o%s \
 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
 "
 #define LINK_OS_NETBSD_SPEC "\
 %{!shared: %{!static: \
 %{rdynamic:-export-dynamic} \
-%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}}}"
+-dynamic-linker /usr/libexec/ld.elf_so}}"
 #define CPP_OS_NETBSD_SPEC "\
 -D__powerpc__ -D__NetBSD__ -D__KPRINTF_ATTRIBUTE__"
 /* OpenBSD support.  */
 { "endfile_gnu",		ENDFILE_GNU_SPEC },			\
 { "endfile_linux",		ENDFILE_LINUX_SPEC },			\
 { "endfile_netbsd",		ENDFILE_NETBSD_SPEC },			\
 { "endfile_openbsd",		ENDFILE_OPENBSD_SPEC },			\
 { "endfile_default",		ENDFILE_DEFAULT_SPEC },			\
-{ "link_path",		LINK_PATH_SPEC },			\
 { "link_shlib",		LINK_SHLIB_SPEC },			\
 { "link_target",		LINK_TARGET_SPEC },			\
 { "link_start",		LINK_START_SPEC },			\
 { "link_start_ads",		LINK_START_ADS_SPEC },			\
 { "link_start_yellowknife",	LINK_START_YELLOWKNIFE_SPEC },		\
 #define PROFILE_BEFORE_PROLOGUE 1
 /* Function name to call to do profiling.  */
 #define RS6000_MCOUNT "_mcount"
-/* Define this macro (to a value of 1) if you want to support the
-Win32 style pragmas #pragma pack(push,<n>)' and #pragma
-pack(pop)'.  The pack(push,<n>) pragma specifies the maximum
-alignment (in bytes) of fields within a structure, in much the
-same way as the __aligned__' and __packed__' __attribute__'s
-do.  A pack value of zero resets the behavior to the default.
-Successive invocations of this pragma cause the previous values to
-be stacked, so that invocations of #pragma pack(pop)' will return
-to the previous value.  */
-#define HANDLE_PRAGMA_PACK_PUSH_POP 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
 true if the symbol may be affected by dynamic relocations.  */
 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL)			     \
 ((flag_pic || TARGET_RELOCATABLE)					     \
 #define DOUBLE_INT_ASM_OP "\t.quad\t"
 /* Generate entries in .fixup for relocatable addresses.  */
 #define RELOCATABLE_NEEDS_FIXUP 1
+#define TARGET_ASM_FILE_END rs6000_elf_file_end
 /* This target uses the sysv4.opt file.  */
 #define TARGET_USES_SYSV4_OPT 1
+#undef DBX_REGISTER_NUMBER

Mercurial > hg > CbC > CbC_gcc

comparison gcc/config/rs6000/sysv4.h @ 67:f6334be47118