/* Definitions of target machine for GNU compiler,
for 64 bit PowerPC linux.
- Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005
- Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
+ 2009, 2010 Free Software Foundation, Inc.
This file is part of GCC.
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
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT
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 GCC; see the file COPYING. If not, write to the
- Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
- MA 02110-1301, USA. */
+ Under Section 7 of GPL version 3, you are granted additional
+ permissions described in the GCC Runtime Library Exception, version
+ 3.1, as published by the Free Software Foundation.
+
+ You should have received a copy of the GNU General Public License and
+ a copy of the GCC Runtime Library Exception along with this program;
+ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+ <http://www.gnu.org/licenses/>. */
#ifndef RS6000_BI_ARCH
#define DOT_SYMBOLS dot_symbols
#endif
+#define TARGET_PROFILE_KERNEL profile_kernel
+
+#define TARGET_USES_LINUX64_OPT 1
+#ifdef HAVE_LD_LARGE_TOC
+extern enum rs6000_cmodel cmodel;
+#undef TARGET_CMODEL
+#define TARGET_CMODEL cmodel
+#define SET_CMODEL(opt) cmodel = opt
+#else
+#define SET_CMODEL(opt)
+#endif
+
#undef PROCESSOR_DEFAULT
-#define PROCESSOR_DEFAULT PROCESSOR_POWER4
+#define PROCESSOR_DEFAULT PROCESSOR_POWER6
#undef PROCESSOR_DEFAULT64
-#define PROCESSOR_DEFAULT64 PROCESSOR_POWER4
+#define PROCESSOR_DEFAULT64 PROCESSOR_POWER6
/* We don't need to generate entries in .fixup, except when
-mrelocatable or -mrelocatable-lib is given. */
target_flags &= ~MASK_EABI; \
error (INVALID_64BIT, "eabi"); \
} \
- if (target_flags & MASK_PROTOTYPE) \
+ if (TARGET_PROTOTYPE) \
{ \
- target_flags &= ~MASK_PROTOTYPE; \
+ target_prototype = 0; \
error (INVALID_64BIT, "prototype"); \
} \
if ((target_flags & MASK_POWERPC64) == 0) \
target_flags |= MASK_POWERPC64; \
error ("-m64 requires a PowerPC64 cpu"); \
} \
+ if ((target_flags_explicit & MASK_MINIMAL_TOC) != 0) \
+ { \
+ if (rs6000_explicit_options.cmodel \
+ && cmodel != CMODEL_SMALL) \
+ error ("-mcmodel incompatible with other toc options"); \
+ SET_CMODEL (CMODEL_SMALL); \
+ } \
+ else \
+ { \
+ if (!rs6000_explicit_options.cmodel) \
+ SET_CMODEL (CMODEL_MEDIUM); \
+ if (cmodel != CMODEL_SMALL) \
+ { \
+ TARGET_NO_FP_IN_TOC = 0; \
+ TARGET_NO_SUM_IN_TOC = 0; \
+ } \
+ } \
} \
else \
{ \
error (INVALID_32BIT, "32"); \
if (TARGET_PROFILE_KERNEL) \
{ \
- target_flags &= ~MASK_PROFILE_KERNEL; \
+ TARGET_PROFILE_KERNEL = 0; \
error (INVALID_32BIT, "profile-kernel"); \
} \
+ if (rs6000_explicit_options.cmodel) \
+ { \
+ SET_CMODEL (CMODEL_SMALL); \
+ error (INVALID_32BIT, "cmodel"); \
+ } \
} \
} \
while (0)
#undef ASM_SPEC
#undef LINK_OS_LINUX_SPEC
+/* FIXME: This will quite possibly choose the wrong dynamic linker. */
+#undef LINK_OS_GNU_SPEC
+#define LINK_OS_GNU_SPEC LINK_OS_LINUX_SPEC
+
#ifndef RS6000_BI_ARCH
#define ASM_DEFAULT_SPEC "-mppc64"
#define ASM_SPEC "%(asm_spec64) %(asm_spec_common)"
#define ASM_SPEC32 "-a32 %{n} %{T} %{Ym,*} %{Yd,*} \
%{mrelocatable} %{mrelocatable-lib} %{fpic:-K PIC} %{fPIC:-K PIC} \
-%{memb} %{!memb: %{msdata: -memb} %{msdata=eabi: -memb}} \
+%{memb} %{!memb: %{msdata=eabi: -memb}} \
%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
%{mcall-freebsd: -mbig} \
%{mcall-i960-old: -mlittle} \
#define ASM_SPEC64 "-a64"
#define ASM_SPEC_COMMON "%(asm_cpu) \
-%{.s: %{mregnames} %{mno-regnames}} %{.S: %{mregnames} %{mno-regnames}} \
+%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}} \
%{v:-V} %{Qy:} %{!Qn:-Qy} %{Wa,*:%*} \
%{mlittle} %{mlittle-endian} %{mbig} %{mbig-endian}"
? 128 \
: (TARGET_64BIT \
&& TARGET_ALIGN_NATURAL == 0 \
- && TYPE_MODE (TREE_CODE (TREE_TYPE (FIELD)) == ARRAY_TYPE \
- ? get_inner_array_type (FIELD) \
- : TREE_TYPE (FIELD)) == DFmode) \
+ && TYPE_MODE (strip_array_types (TREE_TYPE (FIELD))) == DFmode) \
? MIN ((COMPUTED), 32) \
: (COMPUTED))
? rs6000_special_round_type_align (STRUCT, COMPUTED, SPECIFIED) \
: MAX ((COMPUTED), (SPECIFIED)))
+/* Use the default for compiling target libs. */
+#ifdef IN_TARGET_LIBS
+#undef TARGET_ALIGN_NATURAL
+#define TARGET_ALIGN_NATURAL 1
+#endif
+
/* Indicate that jump tables go in the text section. */
#undef JUMP_TABLES_IN_TEXT_SECTION
#define JUMP_TABLES_IN_TEXT_SECTION TARGET_64BIT
process. */
#define OS_MISSING_POWERPC64 !TARGET_64BIT
+#define OPTION_GLIBC (linux_libc == LIBC_GLIBC)
+
/* glibc has float and long double forms of math functions. */
#undef TARGET_C99_FUNCTIONS
-#define TARGET_C99_FUNCTIONS 1
+#define TARGET_C99_FUNCTIONS (OPTION_GLIBC)
+
+/* Whether we have sincos that follows the GNU extension. */
+#undef TARGET_HAS_SINCOS
+#define TARGET_HAS_SINCOS (OPTION_GLIBC)
#undef TARGET_OS_CPP_BUILTINS
#define TARGET_OS_CPP_BUILTINS() \
builtin_define ("__PPC64__"); \
builtin_define ("__powerpc__"); \
builtin_define ("__powerpc64__"); \
- builtin_define ("__PIC__"); \
builtin_assert ("cpu=powerpc64"); \
builtin_assert ("machine=powerpc64"); \
} \
#undef LINK_OS_DEFAULT_SPEC
#define LINK_OS_DEFAULT_SPEC "%(link_os_linux)"
+#define GLIBC_DYNAMIC_LINKER32 "/lib/ld.so.1"
+#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld64.so.1"
+#define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
+#define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
+#if DEFAULT_LIBC == LIBC_UCLIBC
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
+#elif DEFAULT_LIBC == LIBC_GLIBC
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
+#else
+#error "Unsupported DEFAULT_LIBC"
+#endif
+#define LINUX_DYNAMIC_LINKER32 \
+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32)
+#define LINUX_DYNAMIC_LINKER64 \
+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64)
+
+
#define LINK_OS_LINUX_SPEC32 "-m elf32ppclinux %{!shared: %{!static: \
%{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}}}"
+ %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER32 "}}}"
#define LINK_OS_LINUX_SPEC64 "-m elf64ppc %{!shared: %{!static: \
%{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /lib64/ld64.so.1}}}"
+ %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}}}"
#undef TOC_SECTION_ASM_OP
#define TOC_SECTION_ASM_OP \
#undef SAVE_FP_PREFIX
#define SAVE_FP_PREFIX (TARGET_64BIT ? "._savef" : "_savefpr_")
#undef SAVE_FP_SUFFIX
-#define SAVE_FP_SUFFIX (TARGET_64BIT ? "" : "_l")
+#define SAVE_FP_SUFFIX ""
#undef RESTORE_FP_PREFIX
#define RESTORE_FP_PREFIX (TARGET_64BIT ? "._restf" : "_restfpr_")
#undef RESTORE_FP_SUFFIX
-#define RESTORE_FP_SUFFIX (TARGET_64BIT ? "" : "_l")
+#define RESTORE_FP_SUFFIX ""
/* Dwarf2 debugging. */
#undef PREFERRED_DEBUGGING_TYPE
we also do this for floating-point constants. We actually can only
do this if the FP formats of the target and host machines are the
same, but we can't check that since not every file that uses
- GO_IF_LEGITIMATE_ADDRESS_P includes real.h. We also do this when
- we can write the entry into the TOC and the entry is not larger
- than a TOC entry. */
+ the macros includes real.h. We also do this when we can write the
+ entry into the TOC and the entry is not larger than a TOC entry. */
#undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P
#define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \
&& GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \
|| (GET_CODE (X) == CONST_DOUBLE \
&& ((TARGET_64BIT \
- && (TARGET_POWERPC64 \
- || TARGET_MINIMAL_TOC \
- || (GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT \
+ && (TARGET_MINIMAL_TOC \
+ || (SCALAR_FLOAT_MODE_P (GET_MODE (X)) \
&& ! TARGET_NO_FP_IN_TOC))) \
|| (!TARGET_64BIT \
&& !TARGET_NO_FP_IN_TOC \
&& !TARGET_RELOCATABLE \
- && GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT \
+ && SCALAR_FLOAT_MODE_P (GET_MODE (X)) \
&& BITS_PER_WORD == HOST_BITS_PER_INT)))))
-/* This ABI cannot use DBX_LINES_FUNCTION_RELATIVE, nor can it use
- dbxout_stab_value_internal_label_diff, because we must
- use the function code label, not the function descriptor label. */
-#define DBX_OUTPUT_SOURCE_LINE(FILE, LINE, COUNTER) \
-do \
- { \
- char temp[256]; \
- const char *s; \
- ASM_GENERATE_INTERNAL_LABEL (temp, "LM", COUNTER); \
- dbxout_begin_stabn_sline (LINE); \
- assemble_name (FILE, temp); \
- putc ('-', FILE); \
- s = XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0); \
- rs6000_output_function_entry (FILE, s); \
- putc ('\n', FILE); \
- targetm.asm_out.internal_label (FILE, "LM", COUNTER); \
- COUNTER += 1; \
- } \
-while (0)
-
-/* Similarly, we want the function code label here. Cannot use
- dbxout_stab_value_label_diff, as we have to use
- rs6000_output_function_entry. FIXME. */
-#define DBX_OUTPUT_BRAC(FILE, NAME, BRAC) \
- do \
- { \
- const char *s; \
- dbxout_begin_stabn (BRAC); \
- assemble_name (FILE, NAME); \
- putc ('-', FILE); \
- s = XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0); \
- rs6000_output_function_entry (FILE, s); \
- putc ('\n', FILE); \
- } \
- while (0)
-
-#define DBX_OUTPUT_LBRAC(FILE, NAME) DBX_OUTPUT_BRAC (FILE, NAME, N_LBRAC)
-#define DBX_OUTPUT_RBRAC(FILE, NAME) DBX_OUTPUT_BRAC (FILE, NAME, N_RBRAC)
-
-/* Another case where we want the dot name. */
-#define DBX_OUTPUT_NFUN(FILE, LSCOPE, DECL) \
- do \
- { \
- const char *s; \
- dbxout_begin_empty_stabs (N_FUN); \
- assemble_name (FILE, LSCOPE); \
- putc ('-', FILE); \
- s = XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0); \
- rs6000_output_function_entry (FILE, s); \
- putc ('\n', FILE); \
- } \
- while (0)
-
/* 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. */
ppc64 glibc provides it at -0x7010(13). */
#define TARGET_THREAD_SSP_OFFSET (TARGET_64BIT ? -0x7010 : -0x7008)
#endif
+
+#define POWERPC_LINUX
+
+/* ppc{32,64} linux has 128-bit long double support in glibc 2.4 and later. */
+#ifdef TARGET_DEFAULT_LONG_DOUBLE_128
+#define RS6000_DEFAULT_LONG_DOUBLE_SIZE 128
+#endif
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