/* Definitions for 64-bit SPARC running Linux-based GNU systems with ELF.
- Copyright 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
+ Copyright 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005
+ Free Software Foundation, Inc.
Contributed by David S. Miller (davem@caip.rutgers.edu)
-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)
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
+along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#define LINUX_DEFAULT_ELF
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define_std ("unix"); \
+ builtin_define_std ("linux"); \
+ builtin_define ("_LONGLONG"); \
+ builtin_define ("__gnu_linux__"); \
+ builtin_assert ("system=linux"); \
+ builtin_assert ("system=unix"); \
+ builtin_assert ("system=posix"); \
+ if (flag_pic) \
+ { \
+ builtin_define ("__PIC__"); \
+ builtin_define ("__pic__"); \
+ } \
+ } \
+ while (0)
/* Don't assume anything about the header files. */
#define NO_IMPLICIT_EXTERN_C
#undef MD_EXEC_PREFIX
#undef MD_STARTFILE_PREFIX
-#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
+#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
+ || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc \
+ || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3
/* A 64 bit v9 compiler with stack-bias,
in a Medium/Low code model environment. */
#ifdef SPARC_BI_ARCH
#undef CPP_ARCH32_SPEC
-#define CPP_ARCH32_SPEC "%{mlong-double-128:-D__LONG_DOUBLE_128__} \
--D__GCC_NEW_VARARGS__ -Acpu=sparc -Amachine=sparc"
+#define CPP_ARCH32_SPEC "%{mlong-double-128:-D__LONG_DOUBLE_128__}"
#endif
#undef STARTFILE_SPEC
-#define STARTFILE_SPEC32 \
- "%{!shared: \
- %{pg:/usr/lib/gcrt1.o%s} %{!pg:%{p:/usr/lib/gcrt1.o%s} %{!p:/usr/lib/crt1.o%s}}}\
- /usr/lib/crti.o%s %{static:crtbeginT.o%s}\
- %{!static:%{!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 %{static:crtbeginT.o%s}\
- %{!static:%{!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
-
+#ifdef HAVE_LD_PIE
+#define STARTFILE_SPEC \
+ "%{!shared:%{pg|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
+ crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbeginS.o%s}"
#else
-
-#define STARTFILE_SPEC STARTFILE_SPEC64
-
+#define STARTFILE_SPEC \
+ "%{!shared:%{pg|p:gcrt1.o%s;:crt1.o%s}}\
+ crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbeginS.o%s}"
#endif
/* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
#undef ENDFILE_SPEC
-#define ENDFILE_SPEC32 \
- "%{!shared:crtend.o%s} %{shared:crtendS.o%s} /usr/lib/crtn.o%s"
-
-#define ENDFILE_SPEC64 \
- "%{!shared:crtend.o%s} %{shared:crtendS.o%s} /usr/lib64/crtn.o%s"
-
-#define ENDFILE_SPEC_COMMON \
- "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
-
-#ifdef SPARC_BI_ARCH
-
-#if DEFAULT_ARCH32_P
-#define ENDFILE_SPEC "\
-%{m32:" ENDFILE_SPEC32 "} \
-%{m64:" ENDFILE_SPEC64 "} \
-%{!m32:%{!m64:" ENDFILE_SPEC32 "}} " \
-ENDFILE_SPEC_COMMON
-#else
-#define ENDFILE_SPEC "\
-%{m32:" ENDFILE_SPEC32 "} \
-%{m64:" ENDFILE_SPEC64 "} \
-%{!m32:%{!m64:" ENDFILE_SPEC64 "}} " \
-ENDFILE_SPEC_COMMON
-#endif
-
-#else
-
-#define ENDFILE_SPEC ENDFILE_SPEC64 " " ENDFILE_SPEC_COMMON
-
-#endif
+#define ENDFILE_SPEC \
+ "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s\
+ %{ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
/* The GNU C++ standard library requires that these macros be defined. */
#undef CPLUSPLUS_CPP_SPEC
#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"
#define WCHAR_TYPE_SIZE 32
/* Define for support of TFmode long double.
- Sparc ABI says that long double is 4 words. */
+ 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 64
#endif
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D__ELF__ -Dunix -D_LONGLONG -D__sparc__ -D__gnu_linux__ -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}}"
+ "%{pthread:-lpthread} \
+ %{shared:-lc} \
+ %{!shared: %{mieee-fp:-lieee} %{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
"
#endif
+/* Support for a compile-time default CPU, et cetera. The rules are:
+ --with-cpu is ignored if -mcpu is specified.
+ --with-tune is ignored if -mtune is specified.
+ --with-float is ignored if -mhard-float, -msoft-float, -mfpu, or -mno-fpu
+ are specified.
+ In the SPARC_BI_ARCH compiler we cannot pass %{!mcpu=*:-mcpu=%(VALUE)}
+ here, otherwise say -mcpu=v7 would be passed even when -m64.
+ CC1_SPEC above takes care of this instead. */
+#undef OPTION_DEFAULT_SPECS
+#if DEFAULT_ARCH32_P
+#define OPTION_DEFAULT_SPECS \
+ {"cpu", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
+ {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
+ {"float", "%{!msoft-float:%{!mhard-float:%{!fpu:%{!no-fpu:-m%(VALUE)-float}}}}" }
+#else
+#define OPTION_DEFAULT_SPECS \
+ {"cpu", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
+ {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
+ {"float", "%{!msoft-float:%{!mhard-float:%{!fpu:%{!no-fpu:-m%(VALUE)-float}}}}" }
+#endif
+
#if DEFAULT_ARCH32_P
#define MULTILIB_DEFAULTS { "m32" }
#else
%{T} \
%{Ym,*} \
%{Wa,*:%*} \
--s %{fpic:-K PIC} %{fPIC:-K PIC} \
+-s %{fpic|fPIC|fpie|fPIE:-K PIC} \
%{mlittle-endian:-EL} \
%(asm_cpu) %(asm_arch) %(asm_relax)"
#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 DWARF_DEBUGGING_INFO
-#define DWARF2_DEBUGGING_INFO 1
-#define DBX_DEBUGGING_INFO 1
-
#undef ASM_OUTPUT_ALIGNED_LOCAL
#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
do { \
#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.
/* #define DWARF_OFFSET_SIZE PTR_SIZE */
+#undef DITF_CONVERSION_LIBFUNCS
+#define DITF_CONVERSION_LIBFUNCS 1
+
#if defined(HAVE_LD_EH_FRAME_HDR)
#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
#endif
\f
+#ifdef HAVE_AS_TLS
+#undef TARGET_SUN_TLS
+#undef TARGET_GNU_TLS
+#define TARGET_SUN_TLS 0
+#define TARGET_GNU_TLS 1
+#endif
+\f
/* Don't be different from other Linux platforms in this regard. */
#define HANDLE_PRAGMA_PACK_PUSH_POP
#undef CTORS_SECTION_ASM_OP
#undef DTORS_SECTION_ASM_OP
-/* Do code reading to identify a signal frame, and set the frame
- state data appropriately. See unwind-dw2.c for the structs. */
-
-/* Handle multilib correctly. */
-#if defined(__arch64__)
-/* 64-bit Sparc version */
-#define MD_FALLBACK_FRAME_STATE_FOR(CONTEXT, FS, SUCCESS) \
- do { \
- unsigned int *pc_ = (CONTEXT)->ra; \
- long new_cfa_, i_; \
- long regs_off_, fpu_save_off_; \
- long this_cfa_, fpu_save_; \
- \
- if (pc_[0] != 0x82102065 /* mov NR_rt_sigreturn, %g1 */ \
- || pc_[1] != 0x91d0206d) /* ta 0x6d */ \
- break; \
- regs_off_ = 192 + 128; \
- fpu_save_off_ = regs_off_ + (16 * 8) + (3 * 8) + (2 * 4); \
- this_cfa_ = (long) (CONTEXT)->cfa; \
- new_cfa_ = *(long *)(((CONTEXT)->cfa) + (regs_off_ + (14 * 8))); \
- new_cfa_ += 2047; /* Stack bias */ \
- fpu_save_ = *(long *)((this_cfa_) + (fpu_save_off_)); \
- (FS)->cfa_how = CFA_REG_OFFSET; \
- (FS)->cfa_reg = 14; \
- (FS)->cfa_offset = new_cfa_ - (long) (CONTEXT)->cfa; \
- for (i_ = 1; i_ < 16; ++i_) \
- { \
- (FS)->regs.reg[i_].how = REG_SAVED_OFFSET; \
- (FS)->regs.reg[i_].loc.offset = \
- this_cfa_ + (regs_off_ + (i_ * 8)) - new_cfa_; \
- } \
- for (i_ = 0; i_ < 16; ++i_) \
- { \
- (FS)->regs.reg[i_ + 16].how = REG_SAVED_OFFSET; \
- (FS)->regs.reg[i_ + 16].loc.offset = \
- this_cfa_ + (i_ * 8) - new_cfa_; \
- } \
- if (fpu_save_) \
- { \
- for (i_ = 0; i_ < 64; ++i_) \
- { \
- if (i_ > 32 && (i_ & 0x1)) \
- continue; \
- (FS)->regs.reg[i_ + 32].how = REG_SAVED_OFFSET; \
- (FS)->regs.reg[i_ + 32].loc.offset = \
- (fpu_save_ + (i_ * 4)) - new_cfa_; \
- } \
- } \
- /* Stick return address into %g0, same trick Alpha uses. */ \
- (FS)->regs.reg[0].how = REG_SAVED_OFFSET; \
- (FS)->regs.reg[0].loc.offset = \
- this_cfa_ + (regs_off_ + (16 * 8) + 8) - new_cfa_; \
- (FS)->retaddr_column = 0; \
- goto SUCCESS; \
- } while (0)
-#else
-/* 32-bit Sparc version */
-#define MD_FALLBACK_FRAME_STATE_FOR(CONTEXT, FS, SUCCESS) \
- do { \
- unsigned int *pc_ = (CONTEXT)->ra; \
- int new_cfa_, i_, oldstyle_; \
- int regs_off_, fpu_save_off_; \
- int fpu_save_, this_cfa_; \
- \
- if (pc_[1] != 0x91d02010) /* ta 0x10 */ \
- break; \
- if (pc_[0] == 0x821020d8) /* mov NR_sigreturn, %g1 */ \
- oldstyle_ = 1; \
- else if (pc_[0] == 0x82102065) /* mov NR_rt_sigreturn, %g1 */ \
- oldstyle_ = 0; \
- else \
- break; \
- if (oldstyle_) \
- { \
- regs_off_ = 96; \
- fpu_save_off_ = regs_off_ + (4 * 4) + (16 * 4); \
- } \
- else \
- { \
- regs_off_ = 96 + 128; \
- fpu_save_off_ = regs_off_ + (4 * 4) + (16 * 4) + (2 * 4); \
- } \
- this_cfa_ = (int) (CONTEXT)->cfa; \
- new_cfa_ = *(int *)(((CONTEXT)->cfa) + (regs_off_+(4*4)+(14 * 4))); \
- fpu_save_ = *(int *)((this_cfa_) + (fpu_save_off_)); \
- (FS)->cfa_how = CFA_REG_OFFSET; \
- (FS)->cfa_reg = 14; \
- (FS)->cfa_offset = new_cfa_ - (int) (CONTEXT)->cfa; \
- for (i_ = 1; i_ < 16; ++i_) \
- { \
- if (i_ == 14) \
- continue; \
- (FS)->regs.reg[i_].how = REG_SAVED_OFFSET; \
- (FS)->regs.reg[i_].loc.offset = \
- this_cfa_ + (regs_off_+(4 * 4)+(i_ * 4)) - new_cfa_; \
- } \
- for (i_ = 0; i_ < 16; ++i_) \
- { \
- (FS)->regs.reg[i_ + 16].how = REG_SAVED_OFFSET; \
- (FS)->regs.reg[i_ + 16].loc.offset = \
- this_cfa_ + (i_ * 4) - new_cfa_; \
- } \
- if (fpu_save_) \
- { \
- for (i_ = 0; i_ < 32; ++i_) \
- { \
- (FS)->regs.reg[i_ + 32].how = REG_SAVED_OFFSET; \
- (FS)->regs.reg[i_ + 32].loc.offset = \
- (fpu_save_ + (i_ * 4)) - new_cfa_; \
- } \
- } \
- /* Stick return address into %g0, same trick Alpha uses. */ \
- (FS)->regs.reg[0].how = REG_SAVED_OFFSET; \
- (FS)->regs.reg[0].loc.offset = this_cfa_+(regs_off_+4)-new_cfa_; \
- (FS)->retaddr_column = 0; \
- goto SUCCESS; \
- } while (0)
+/* Determine whether the the entire c99 runtime is present in the
+ runtime library. */
+#define TARGET_C99_FUNCTIONS 1
+
+#define TARGET_HAS_F_SETLKW
+
+#undef LINK_GCC_C_SEQUENCE_SPEC
+#define LINK_GCC_C_SEQUENCE_SPEC \
+ "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
+
+/* Use --as-needed -lgcc_s for eh support. */
+#ifdef HAVE_LD_AS_NEEDED
+#define USE_LD_AS_NEEDED 1
#endif
+
+#define MD_UNWIND_SUPPORT "config/sparc/linux-unwind.h"
+
+/* Linux currently uses RMO in uniprocessor mode, which is equivalent to
+ TMO, and TMO in multiprocessor mode. But they reserve the right to
+ change their minds. */
+#undef SPARC_RELAXED_ORDERING
+#define SPARC_RELAXED_ORDERING true
+
+#undef NEED_INDICATE_EXEC_STACK
+#define NEED_INDICATE_EXEC_STACK 1
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