/* 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 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 HANDLE_PRAGMA_PACK_PUSH_POP
+#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"); \
+ } \
+ while (0)
/* Don't assume anything about the header files. */
#define NO_IMPLICIT_EXTERN_C
#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"
+#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:%{/usr/lib/p: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
#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__} \
+%{fPIC|fpic|fPIE|fpie:-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
%{mcypress:-mcpu=cypress} \
%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
+%{m32:%{m64:%emay not use both -m32 and -m64}} \
%{m64:-mptr64 -mstack-bias -mlong-double-128 \
%{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=ultrasparc}}}}}}} \
%{!mno-vis:%{!mcpu=v9:-mvis}}} \
%{mcypress:-mcpu=cypress} \
%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
+%{m32:%{m64:%emay not use both -m32 and -m64}} \
%{m32:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \
%{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=cypress}}}}}}}} \
%{!m32:%{!mcpu*:-mcpu=ultrasparc}} \
%{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 DWARF2_DEBUGGING_INFO
-#undef DWARF_DEBUGGING_INFO
-#undef DBX_DEBUGGING_INFO
-#define DWARF2_DEBUGGING_INFO
-#define DBX_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) \
#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. */
#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
/* We use GNU ld so undefine this so that attribute((init_priority)) works. */
#undef CTORS_SECTION_ASM_OP
#undef DTORS_SECTION_ASM_OP
+
+#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
+
+#undef LINK_GCC_C_SEQUENCE_SPEC
+#define LINK_GCC_C_SEQUENCE_SPEC \
+ "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
+
+/* 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)
+#endif
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