/* Target definitions for GNU compiler for PowerPC running System V.4
- Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
- Free Software Foundation, Inc.
+ Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2004, 2005, 2006 Free Software Foundation, Inc.
Contributed by Cygnus Support.
This file is part of GCC.
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, 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA. */
+ Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+ MA 02110-1301, USA. */
/* Header files should be C++ aware in general. */
+#undef NO_IMPLICIT_EXTERN_C
#define NO_IMPLICIT_EXTERN_C
/* Yes! We are ELF. */
extern enum rs6000_sdata_type rs6000_sdata;
-/* V.4/eabi switches. */
-#define MASK_NO_BITFIELD_TYPE 0x40000000 /* Set PCC_BITFIELD_TYPE_MATTERS to 0. */
-#define MASK_STRICT_ALIGN 0x20000000 /* Set STRICT_ALIGNMENT to 1. */
-#define MASK_RELOCATABLE 0x10000000 /* GOT pointers are PC relative. */
-#define MASK_EABI 0x08000000 /* Adhere to eabi, not System V spec. */
-#define MASK_LITTLE_ENDIAN 0x04000000 /* Target is little endian. */
-#define MASK_REGNAMES 0x02000000 /* Use alternate register names. */
-#define MASK_PROTOTYPE 0x01000000 /* Only prototyped fcns pass variable args. */
-#define MASK_NO_BITFIELD_WORD 0x00800000 /* Bitfields cannot cross word boundaries */
-
-#define TARGET_NO_BITFIELD_TYPE (target_flags & MASK_NO_BITFIELD_TYPE)
-#define TARGET_STRICT_ALIGN (target_flags & MASK_STRICT_ALIGN)
-#define TARGET_RELOCATABLE (target_flags & MASK_RELOCATABLE)
-#define TARGET_EABI (target_flags & MASK_EABI)
-#define TARGET_LITTLE_ENDIAN (target_flags & MASK_LITTLE_ENDIAN)
-#define TARGET_REGNAMES (target_flags & MASK_REGNAMES)
-#define TARGET_PROTOTYPE (target_flags & MASK_PROTOTYPE)
-#define TARGET_NO_BITFIELD_WORD (target_flags & MASK_NO_BITFIELD_WORD)
#define TARGET_TOC ((target_flags & MASK_64BIT) \
|| ((target_flags & (MASK_RELOCATABLE \
| MASK_MINIMAL_TOC)) \
#define TARGET_NO_TOC (! TARGET_TOC)
#define TARGET_NO_EABI (! TARGET_EABI)
-/* Strings provided by SUBTARGET_OPTIONS */
+#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= */
-/* Override rs6000.h definition. */
-#undef SUBTARGET_OPTIONS
-#define SUBTARGET_OPTIONS \
- { "call-", &rs6000_abi_name, N_("Select ABI calling convention"), 0}, \
- { "sdata=", &rs6000_sdata_name, N_("Select method for sdata handling"), 0}, \
- { "tls-size=", &rs6000_tls_size_string, \
- N_("Specify bit size of immediate TLS offsets"), 0 }
-
#define SDATA_DEFAULT_SIZE 8
-/* Note, V.4 no longer uses a normal TOC, so make -mfull-toc, be just
- the same as -mminimal-toc. */
-/* Override rs6000.h definition. */
-#undef SUBTARGET_SWITCHES
-#define SUBTARGET_SWITCHES \
- { "bit-align", -MASK_NO_BITFIELD_TYPE, \
- N_("Align to the base type of the bit-field") }, \
- { "no-bit-align", MASK_NO_BITFIELD_TYPE, \
- N_("Don't align to the base type of the bit-field") }, \
- { "strict-align", MASK_STRICT_ALIGN, \
- N_("Don't assume that unaligned accesses are handled by the system") }, \
- { "no-strict-align", -MASK_STRICT_ALIGN, \
- N_("Assume that unaligned accesses are handled by the system") }, \
- { "relocatable", MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC, \
- N_("Produce code relocatable at runtime") }, \
- { "no-relocatable", -MASK_RELOCATABLE, \
- N_("Don't produce code relocatable at runtime") }, \
- { "relocatable-lib", MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC, \
- N_("Produce code relocatable at runtime") }, \
- { "no-relocatable-lib", -MASK_RELOCATABLE, \
- N_("Don't produce code relocatable at runtime") }, \
- { "little-endian", MASK_LITTLE_ENDIAN, \
- N_("Produce little endian code") }, \
- { "little", MASK_LITTLE_ENDIAN, \
- N_("Produce little endian code") }, \
- { "big-endian", -MASK_LITTLE_ENDIAN, \
- N_("Produce big endian code") }, \
- { "big", -MASK_LITTLE_ENDIAN, \
- N_("Produce big endian code") }, \
- { "no-toc", 0, N_("no description yet") }, \
- { "toc", MASK_MINIMAL_TOC, N_("no description yet") }, \
- { "full-toc", MASK_MINIMAL_TOC, N_("no description yet") }, \
- { "prototype", MASK_PROTOTYPE, N_("no description yet") }, \
- { "no-prototype", -MASK_PROTOTYPE, N_("no description yet") }, \
- { "no-traceback", 0, N_("no description yet") }, \
- { "eabi", MASK_EABI, N_("Use EABI") }, \
- { "no-eabi", -MASK_EABI, N_("Don't use EABI") }, \
- { "bit-word", -MASK_NO_BITFIELD_WORD, "" }, \
- { "no-bit-word", MASK_NO_BITFIELD_WORD, \
- N_("Do not allow bit-fields to cross word boundaries") }, \
- { "regnames", MASK_REGNAMES, \
- N_("Use alternate register names") }, \
- { "no-regnames", -MASK_REGNAMES, \
- N_("Don't use alternate register names") }, \
- { "sdata", 0, N_("no description yet") }, \
- { "no-sdata", 0, N_("no description yet") }, \
- { "sim", 0, \
- N_("Link with libsim.a, libc.a and sim-crt0.o") }, \
- { "ads", 0, \
- N_("Link with libads.a, libc.a and crt0.o") }, \
- { "yellowknife", 0, \
- N_("Link with libyk.a, libc.a and crt0.o") }, \
- { "mvme", 0, \
- N_("Link with libmvme.a, libc.a and crt0.o") }, \
- { "emb", 0, \
- N_("Set the PPC_EMB bit in the ELF flags header") }, \
- { "windiss", 0, N_("Use the WindISS simulator") }, \
- { "shlib", 0, N_("no description yet") }, \
- EXTRA_SUBTARGET_SWITCHES \
- { "newlib", 0, N_("no description yet") },
-
-/* This is meant to be redefined in the host dependent files. */
-#define EXTRA_SUBTARGET_SWITCHES
-
/* Sometimes certain combinations of command options do not make sense
on a particular target machine. You can define a macro
`OVERRIDE_OPTIONS' to take account of this. This macro, if
#define SUBTARGET_OVERRIDE_OPTIONS \
do { \
- extern unsigned HOST_WIDE_INT g_switch_value; \
- extern int g_switch_set; \
- \
if (!g_switch_set) \
g_switch_value = SDATA_DEFAULT_SIZE; \
\
+ if (rs6000_abi_name == NULL) \
+ rs6000_abi_name = RS6000_ABI_NAME; \
+ \
if (!strcmp (rs6000_abi_name, "sysv")) \
rs6000_current_abi = ABI_V4; \
else if (!strcmp (rs6000_abi_name, "sysv-noeabi")) \
else if (!strcmp (rs6000_abi_name, "freebsd")) \
rs6000_current_abi = ABI_V4; \
else if (!strcmp (rs6000_abi_name, "linux")) \
- rs6000_current_abi = ABI_V4; \
+ { \
+ if (TARGET_64BIT) \
+ rs6000_current_abi = ABI_AIX; \
+ else \
+ rs6000_current_abi = ABI_V4; \
+ } \
else if (!strcmp (rs6000_abi_name, "gnu")) \
rs6000_current_abi = ABI_V4; \
else if (!strcmp (rs6000_abi_name, "netbsd")) \
rs6000_current_abi = ABI_V4; \
+ else if (!strcmp (rs6000_abi_name, "openbsd")) \
+ rs6000_current_abi = ABI_V4; \
else if (!strcmp (rs6000_abi_name, "i960-old")) \
{ \
rs6000_current_abi = ABI_V4; \
rs6000_sdata_name); \
} \
\
- if (rs6000_sdata != SDATA_NONE && DEFAULT_ABI != ABI_V4) \
+ if ((rs6000_sdata != SDATA_NONE && DEFAULT_ABI != ABI_V4) \
+ || (rs6000_sdata == SDATA_EABI && !TARGET_EABI)) \
{ \
rs6000_sdata = SDATA_NONE; \
error ("-msdata=%s and -mcall-%s are incompatible", \
rs6000_abi_name); \
} \
\
- if (flag_pic > 1 && rs6000_current_abi == ABI_AIX) \
+ if (!TARGET_64BIT && flag_pic > 1 && rs6000_current_abi == ABI_AIX) \
{ \
flag_pic = 0; \
error ("-fPIC and -mcall-%s are incompatible", \
error ("-mcall-aixdesc must be big endian"); \
} \
\
+ if (TARGET_SECURE_PLT != secure_plt) \
+ { \
+ error ("-msecure-plt not supported by your assembler"); \
+ } \
+ \
+ if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128 \
+ && rs6000_explicit_options.long_double) \
+ warning (0, "-msoft-float and -mlong-double-128 not supported"); \
+ \
/* Treat -fPIC the same as -mrelocatable. */ \
if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX) \
- target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC; \
+ { \
+ target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC; \
+ TARGET_NO_FP_IN_TOC = 1; \
+ } \
\
else if (TARGET_RELOCATABLE) \
flag_pic = 2; \
- \
} while (0)
+#ifndef RS6000_BI_ARCH
+# define SUBSUBTARGET_OVERRIDE_OPTIONS \
+do { \
+ if ((TARGET_DEFAULT ^ target_flags) & MASK_64BIT) \
+ error ("-m%s not supported in this configuration", \
+ (target_flags & MASK_64BIT) ? "64" : "32"); \
+} while (0)
+#endif
/* Override rs6000.h definition. */
#undef TARGET_DEFAULT
#undef PROCESSOR_DEFAULT
#define PROCESSOR_DEFAULT PROCESSOR_PPC750
+/* SVR4 only defined for PowerPC, so short-circuit POWER patterns. */
+#undef TARGET_POWER
+#define TARGET_POWER 0
+
#define FIXED_R2 1
/* System V.4 uses register 13 as a pointer to the small data area,
so it is not available to the normal user. */
#define FIXED_R13 1
-/* Size of the V.4 varargs area if needed. */
-/* Override rs6000.h definition. */
-#undef RS6000_VARARGS_AREA
-#define RS6000_VARARGS_AREA ((cfun->machine->sysv_varargs_p) ? RS6000_VARARGS_SIZE : 0)
-
/* Override default big endianism definitions in rs6000.h. */
#undef BYTES_BIG_ENDIAN
#undef WORDS_BIG_ENDIAN
#undef STRICT_ALIGNMENT
#define STRICT_ALIGNMENT (TARGET_STRICT_ALIGN)
-/* Alignment in bits of the stack boundary. Note, in order to allow building
- one set of libraries with -mno-eabi instead of eabi libraries and non-eabi
- versions, just use 64 as the stack boundary. */
-#undef STACK_BOUNDARY
-#define STACK_BOUNDARY (TARGET_ALTIVEC_ABI ? 128 : 64)
+/* Define this macro if you wish to preserve a certain alignment for
+ the stack pointer, greater than what the hardware enforces. The
+ definition is a C expression for the desired alignment (measured
+ in bits). This macro must evaluate to a value equal to or larger
+ than STACK_BOUNDARY.
+ For the SYSV ABI and variants the alignment of the stack pointer
+ is usually controlled manually in rs6000.c. However, to maintain
+ alignment across alloca () in all circumstances,
+ PREFERRED_STACK_BOUNDARY needs to be set as well.
+ This has the additional advantage of allowing a bigger maximum
+ alignment of user objects on the stack. */
+
+#undef PREFERRED_STACK_BOUNDARY
+#define PREFERRED_STACK_BOUNDARY 128
/* Real stack boundary as mandated by the appropriate ABI. */
-#define ABI_STACK_BOUNDARY ((TARGET_EABI && !TARGET_ALTIVEC_ABI) ? 64 : 128)
+#define ABI_STACK_BOUNDARY \
+ ((TARGET_EABI && !TARGET_ALTIVEC && !TARGET_ALTIVEC_ABI) ? 64 : 128)
/* An expression for the alignment of a structure field FIELD if the
alignment computed in the usual way is COMPUTED. */
((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE) \
? 128 : COMPUTED)
-/* Define this macro as an expression for the alignment of a type
- (given by TYPE as a tree node) if the alignment computed in the
- usual way is COMPUTED and the alignment explicitly specified was
- SPECIFIED. */
-#define ROUND_TYPE_ALIGN(TYPE, COMPUTED, SPECIFIED) \
- ((TARGET_ALTIVEC && TREE_CODE (TYPE) == VECTOR_TYPE) \
- ? MAX (MAX ((COMPUTED), (SPECIFIED)), 128) \
- : MAX (COMPUTED, SPECIFIED))
-
#undef BIGGEST_FIELD_ALIGNMENT
/* Use ELF style section commands. */
#define SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\""
#define SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits"
-/* Besides the usual ELF sections, we need a toc section. */
-/* Override elfos.h definition. */
-#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS in_toc, in_sdata, in_sdata2, in_sbss, in_init, in_fini
-
-/* Override elfos.h definition. */
-#undef EXTRA_SECTION_FUNCTIONS
-#define EXTRA_SECTION_FUNCTIONS \
- TOC_SECTION_FUNCTION \
- SDATA_SECTION_FUNCTION \
- SDATA2_SECTION_FUNCTION \
- SBSS_SECTION_FUNCTION \
- INIT_SECTION_FUNCTION \
- FINI_SECTION_FUNCTION
-
-#define TOC_SECTION_FUNCTION \
-void \
-toc_section () \
-{ \
- if (in_section != in_toc) \
- { \
- in_section = in_toc; \
- if (DEFAULT_ABI == ABI_AIX \
- && TARGET_MINIMAL_TOC \
- && !TARGET_RELOCATABLE) \
- { \
- if (! toc_initialized) \
- { \
- toc_initialized = 1; \
- fprintf (asm_out_file, "%s\n", TOC_SECTION_ASM_OP); \
- (*targetm.asm_out.internal_label) (asm_out_file, "LCTOC", 0); \
- fprintf (asm_out_file, "\t.tc "); \
- ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1[TC],"); \
- ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
- fprintf (asm_out_file, "\n"); \
- \
- fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
- ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
- fprintf (asm_out_file, " = .+32768\n"); \
- } \
- else \
- fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
- } \
- else if (DEFAULT_ABI == ABI_AIX && !TARGET_RELOCATABLE) \
- fprintf (asm_out_file, "%s\n", TOC_SECTION_ASM_OP); \
- else \
- { \
- fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
- if (! toc_initialized) \
- { \
- ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
- fprintf (asm_out_file, " = .+32768\n"); \
- toc_initialized = 1; \
- } \
- } \
- } \
-} \
- \
-extern int in_toc_section PARAMS ((void)); \
-int in_toc_section () \
-{ \
- return in_section == in_toc; \
-}
-
-#define SDATA_SECTION_FUNCTION \
-void \
-sdata_section () \
-{ \
- if (in_section != in_sdata) \
- { \
- in_section = in_sdata; \
- fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP); \
- } \
-}
-
-#define SDATA2_SECTION_FUNCTION \
-void \
-sdata2_section () \
-{ \
- if (in_section != in_sdata2) \
- { \
- in_section = in_sdata2; \
- fprintf (asm_out_file, "%s\n", SDATA2_SECTION_ASM_OP); \
- } \
-}
-
-#define SBSS_SECTION_FUNCTION \
-void \
-sbss_section () \
-{ \
- if (in_section != in_sbss) \
- { \
- in_section = in_sbss; \
- fprintf (asm_out_file, "%s\n", SBSS_SECTION_ASM_OP); \
- } \
-}
-
-#define INIT_SECTION_FUNCTION \
-void \
-init_section () \
-{ \
- if (in_section != in_init) \
- { \
- in_section = in_init; \
- fprintf (asm_out_file, "%s\n", INIT_SECTION_ASM_OP); \
- } \
-}
-
-#define FINI_SECTION_FUNCTION \
-void \
-fini_section () \
-{ \
- if (in_section != in_fini) \
- { \
- in_section = in_fini; \
- fprintf (asm_out_file, "%s\n", FINI_SECTION_ASM_OP); \
- } \
-}
-
/* Override default elf definitions. */
+#define TARGET_ASM_INIT_SECTIONS rs6000_elf_asm_init_sections
#undef TARGET_ASM_SELECT_RTX_SECTION
#define TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section
#undef TARGET_ASM_SELECT_SECTION
|| (!TARGET_NO_FP_IN_TOC \
&& !TARGET_RELOCATABLE \
&& GET_CODE (X) == CONST_DOUBLE \
- && GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT \
+ && SCALAR_FLOAT_MODE_P (GET_MODE (X)) \
&& BITS_PER_WORD == HOST_BITS_PER_INT)))
/* These macros generate the special .type and .size directives which
/* Override elfos.h definition. */
#undef ASM_DECLARE_FUNCTION_NAME
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
- do { \
- const char *const init_ptr = (TARGET_64BIT) ? ".quad" : ".long"; \
- \
- if (TARGET_RELOCATABLE \
- && (get_pool_size () != 0 || current_function_profile) \
- && uses_TOC()) \
- { \
- char buf[256]; \
- \
- (*targetm.asm_out.internal_label) (FILE, "LCL", rs6000_pic_labelno); \
- \
- ASM_GENERATE_INTERNAL_LABEL (buf, "LCTOC", 1); \
- fprintf (FILE, "\t%s ", init_ptr); \
- assemble_name (FILE, buf); \
- putc ('-', FILE); \
- ASM_GENERATE_INTERNAL_LABEL (buf, "LCF", rs6000_pic_labelno); \
- assemble_name (FILE, buf); \
- putc ('\n', FILE); \
- } \
- \
- ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \
- ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
- \
- if (DEFAULT_ABI == ABI_AIX) \
- { \
- const char *desc_name, *orig_name; \
- \
- orig_name = (*targetm.strip_name_encoding) (NAME); \
- desc_name = orig_name; \
- while (*desc_name == '.') \
- desc_name++; \
- \
- if (TREE_PUBLIC (DECL)) \
- fprintf (FILE, "\t.globl %s\n", desc_name); \
- \
- fprintf (FILE, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
- fprintf (FILE, "%s:\n", desc_name); \
- fprintf (FILE, "\t%s %s\n", init_ptr, orig_name); \
- fprintf (FILE, "\t%s _GLOBAL_OFFSET_TABLE_\n", init_ptr); \
- if (DEFAULT_ABI == ABI_AIX) \
- fprintf (FILE, "\t%s 0\n", init_ptr); \
- fprintf (FILE, "\t.previous\n"); \
- } \
- ASM_OUTPUT_LABEL (FILE, NAME); \
- } while (0)
+ 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 LCOMM_ASM_OP "\t.lcomm\t"
-/* Override elfos.h definition. */
-#undef ASM_OUTPUT_ALIGNED_LOCAL
-#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
+/* Describe how to emit uninitialized local items. */
+#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
do { \
- extern unsigned HOST_WIDE_INT g_switch_value; \
- \
- if (rs6000_sdata != SDATA_NONE && (SIZE) > 0 \
- && (SIZE) <= g_switch_value) \
+ if ((DECL) && rs6000_elf_in_small_data_p (DECL)) \
{ \
- sbss_section (); \
+ switch_to_section (sbss_section); \
ASM_OUTPUT_ALIGN (FILE, exact_log2 (ALIGN / BITS_PER_UNIT)); \
ASM_OUTPUT_LABEL (FILE, NAME); \
ASM_OUTPUT_SKIP (FILE, SIZE); \
/* Describe how to emit uninitialized external linkage items. */
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
do { \
- ASM_OUTPUT_ALIGNED_LOCAL (FILE, NAME, SIZE, ALIGN); \
+ ASM_OUTPUT_ALIGNED_DECL_LOCAL (FILE, DECL, NAME, SIZE, ALIGN); \
} while (0)
#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
|| (CHAR) == 'L' || (CHAR) == 'A' || (CHAR) == 'V' \
|| (CHAR) == 'B' || (CHAR) == 'b' || (CHAR) == 'G')
-/* Output .file. */
-/* Override elfos.h definition. */
-#undef ASM_FILE_START
-#define ASM_FILE_START(FILE) \
-do { \
- output_file_directive ((FILE), main_input_filename); \
- rs6000_file_start (FILE, TARGET_CPU_DEFAULT); \
-} while (0)
-
-
extern int fixuplabelno;
/* Handle constructors specially for -mrelocatable. */
/* Historically we have also supported stabs debugging. */
#define DBX_DEBUGGING_INFO 1
+#define DBX_REGISTER_NUMBER(REGNO) rs6000_dbx_register_number (REGNO)
+
+/* Map register numbers held in the call frame info that gcc has
+ collected using DWARF_FRAME_REGNUM to those that should be output in
+ .debug_frame and .eh_frame. We continue to use gcc hard reg numbers
+ for .eh_frame, but use the numbers mandated by the various ABIs for
+ .debug_frame. rs6000_emit_prologue has translated any combination of
+ CR2, CR3, CR4 saves to a save of CR2. The actual code emitted saves
+ the whole of CR, so we map CR2_REGNO to the DWARF reg for CR. */
+#define DWARF2_FRAME_REG_OUT(REGNO, FOR_EH) \
+ ((FOR_EH) ? (REGNO) \
+ : (REGNO) == CR2_REGNO ? 64 \
+ : DBX_REGISTER_NUMBER (REGNO))
+
#define TARGET_ENCODE_SECTION_INFO rs6000_elf_encode_section_info
#define TARGET_IN_SMALL_DATA_P rs6000_elf_in_small_data_p
#define TARGET_SECTION_TYPE_FLAGS rs6000_elf_section_type_flags
#define TARGET_VERSION fprintf (stderr, " (PowerPC System V.4)");
#endif
\f
+#define TARGET_OS_SYSV_CPP_BUILTINS() \
+ do \
+ { \
+ if (target_flags_explicit \
+ & MASK_RELOCATABLE) \
+ builtin_define ("_RELOCATABLE"); \
+ } \
+ while (0)
+
#ifndef TARGET_OS_CPP_BUILTINS
-#define TARGET_OS_CPP_BUILTINS() \
- do \
- { \
- builtin_define_std ("PPC"); \
- builtin_define_std ("unix"); \
- builtin_define ("__svr4__"); \
- builtin_assert ("system=unix"); \
- builtin_assert ("system=svr4"); \
- builtin_assert ("cpu=powerpc"); \
- builtin_assert ("machine=powerpc"); \
- } \
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define_std ("PPC"); \
+ builtin_define_std ("unix"); \
+ builtin_define ("__svr4__"); \
+ builtin_assert ("system=unix"); \
+ builtin_assert ("system=svr4"); \
+ builtin_assert ("cpu=powerpc"); \
+ builtin_assert ("machine=powerpc"); \
+ TARGET_OS_SYSV_CPP_BUILTINS (); \
+ } \
while (0)
#endif
mcall-aixdesc | \
mcall-freebsd | \
mcall-netbsd | \
+ mcall-openbsd | \
mcall-linux | \
mcall-gnu :-mbig; \
mcall-i960-old :-mlittle}"
#define CC1_ENDIAN_DEFAULT_SPEC "%(cc1_endian_big)"
+#ifndef CC1_SECURE_PLT_DEFAULT_SPEC
+#define CC1_SECURE_PLT_DEFAULT_SPEC ""
+#endif
+
/* Pass -G xxx to the compiler and set correct endian mode. */
#define CC1_SPEC "%{G*} \
%{mlittle|mlittle-endian: %(cc1_endian_little); \
mcall-aixdesc | \
mcall-freebsd | \
mcall-netbsd | \
+ mcall-openbsd | \
mcall-linux | \
mcall-gnu : -mbig %(cc1_endian_big); \
mcall-i960-old : -mlittle %(cc1_endian_little); \
: %(cc1_endian_default)} \
-%{mno-sdata: -msdata=none } \
%{meabi: %{!mcall-*: -mcall-sysv }} \
%{!meabi: %{!mno-eabi: \
%{mrelocatable: -meabi } \
%{mcall-i960-old: -meabi } \
%{mcall-linux: -mno-eabi } \
%{mcall-gnu: -mno-eabi } \
- %{mcall-netbsd: -mno-eabi }}} \
+ %{mcall-netbsd: -mno-eabi } \
+ %{mcall-openbsd: -mno-eabi }}} \
%{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. */
mcall-linux : %(link_start_linux) ; \
mcall-gnu : %(link_start_gnu) ; \
mcall-netbsd : %(link_start_netbsd) ; \
+ mcall-openbsd: %(link_start_openbsd) ; \
: %(link_start_default) }"
#define LINK_START_DEFAULT_SPEC ""
mcall-linux : %(link_os_linux) ; \
mcall-gnu : %(link_os_gnu) ; \
mcall-netbsd : %(link_os_netbsd) ; \
+ mcall-openbsd: %(link_os_openbsd) ; \
: %(link_os_default) }"
#define LINK_OS_DEFAULT_SPEC ""
-#define CPP_SYSV_SPEC \
-"%{mrelocatable*: -D_RELOCATABLE} \
-%{fpic|fpie: -D__PIC__=1 -D__pic__=1} \
-%{!fpic: %{fPIC|fPIE: -D__PIC__=2 -D__pic__=2}}"
-
/* Override rs6000.h definition. */
#undef CPP_SPEC
-#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} %(cpp_sysv) \
+#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \
%{mads : %(cpp_os_ads) ; \
myellowknife : %(cpp_os_yellowknife) ; \
mmvme : %(cpp_os_mvme) ; \
mcall-linux : %(cpp_os_linux) ; \
mcall-gnu : %(cpp_os_gnu) ; \
mcall-netbsd : %(cpp_os_netbsd) ; \
+ mcall-openbsd: %(cpp_os_openbsd) ; \
: %(cpp_os_default) }"
#define CPP_OS_DEFAULT_SPEC ""
mcall-linux : %(startfile_linux) ; \
mcall-gnu : %(startfile_gnu) ; \
mcall-netbsd : %(startfile_netbsd) ; \
+ mcall-openbsd: %(startfile_openbsd) ; \
: %(startfile_default) }"
#define STARTFILE_DEFAULT_SPEC ""
mcall-linux : %(lib_linux) ; \
mcall-gnu : %(lib_gnu) ; \
mcall-netbsd : %(lib_netbsd) ; \
+ mcall-openbsd: %(lib_openbsd) ; \
: %(lib_default) }"
#define LIB_DEFAULT_SPEC ""
mcall-linux : crtsavres.o%s %(endfile_linux) ; \
mcall-gnu : crtsavres.o%s %(endfile_gnu) ; \
mcall-netbsd : crtsavres.o%s %(endfile_netbsd) ; \
+ mcall-openbsd: crtsavres.o%s %(endfile_openbsd) ; \
: %(crtsavres_default) %(endfile_default) }"
#define CRTSAVRES_DEFAULT_SPEC "crtsavres.o%s"
#define LINK_START_FREEBSD_SPEC ""
#define LINK_OS_FREEBSD_SPEC "\
- %{p:%e`-p' not supported; use `-pg' and gprof(1)} \
- %{Wl,*:%*} \
- %{v:-V} \
- %{assert*} %{R*} %{rpath*} %{defsym*} \
- %{shared:-Bshareable %{h*} %{soname*}} \
- %{!shared: \
- %{!static: \
- %{rdynamic: -export-dynamic} \
- %{!dynamic-linker: -dynamic-linker /usr/libexec/ld-elf.so.1}} \
- %{static:-Bstatic}} \
- %{symbolic:-Bsymbolic}"
+ %{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) }} \
+ %{static:-Bstatic}} \
+ %{symbolic:-Bsymbolic}"
/* GNU/Linux support. */
-#ifdef USE_GNULIBC_1
#define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \
-%{!mnewlib: -lc }"
-#else
-#define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \
-%{!mnewlib: %{shared:-lc} %{!shared: %{pthread:-lpthread } \
-%{profile:-lc_p} %{!profile:-lc}}}"
-#endif
+%{!mnewlib: %{pthread:-lpthread} %{shared:-lc} \
+%{!shared: %{profile:-lc_p} %{!profile:-lc}}}"
-#ifdef USE_GNULIBC_1
-#define STARTFILE_LINUX_SPEC "\
-%{!shared: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} \
-%{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \
-%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
-#elif defined HAVE_LD_PIE
+#ifdef HAVE_LD_PIE
#define STARTFILE_LINUX_SPEC "\
-%{!shared: %{pg|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
+%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
%{mnewlib:ecrti.o%s;:crti.o%s} \
%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
#else
#define STARTFILE_LINUX_SPEC "\
-%{!shared: %{pg|p:gcrt1.o%s;:crt1.o%s}} \
+%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
%{mnewlib:ecrti.o%s;:crti.o%s} \
%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
#endif
-#define ENDFILE_LINUX_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} \
-%{mnewlib: ecrtn.o%s} %{!mnewlib: crtn.o%s}"
+#define ENDFILE_LINUX_SPEC "\
+%{shared|pie:crtendS.o%s;:crtend.o%s} \
+%{mnewlib:ecrtn.o%s;:crtn.o%s}"
#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
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
+#else
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
+#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 /lib/ld.so.1}}}"
+ %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}}}"
-#if !defined(USE_GNULIBC_1) && defined(HAVE_LD_EH_FRAME_HDR)
+#if defined(HAVE_LD_EH_FRAME_HDR)
# define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
#endif
-#ifdef USE_GNULIBC_1
-#define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \
-%{!undef: \
- %{!ansi: \
- %{!std=*:-Dunix -D__unix -Dlinux -D__linux} \
- %{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}} \
--Asystem=unix -Asystem=posix"
-#else
#define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \
%{!undef: \
%{!ansi: \
%{!std=*:-Dunix -D__unix -Dlinux -D__linux} \
%{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}} \
--Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
-#endif
+-Asystem=linux -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
/* GNU/Hurd support. */
#define LIB_GNU_SPEC "%{mnewlib: --start-group -lgnu -lc --end-group } \
#define CPP_OS_NETBSD_SPEC "\
-D__powerpc__ -D__NetBSD__ -D__KPRINTF_ATTRIBUTE__"
+/* OpenBSD support. */
+#ifndef LIB_OPENBSD_SPEC
+#define LIB_OPENBSD_SPEC "%{!shared:%{pthread:-lpthread%{p:_p}%{!p:%{pg:_p}}}} %{!shared:-lc%{p:_p}%{!p:%{pg:_p}}}"
+#endif
+
+#ifndef STARTFILE_OPENBSD_SPEC
+#define STARTFILE_OPENBSD_SPEC "\
+%{!shared: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \
+%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
+#endif
+
+#ifndef ENDFILE_OPENBSD_SPEC
+#define ENDFILE_OPENBSD_SPEC "\
+%{!shared:crtend.o%s} %{shared:crtendS.o%s}"
+#endif
+
+#ifndef LINK_START_OPENBSD_SPEC
+#define LINK_START_OPENBSD_SPEC "-Ttext 0x400074"
+#endif
+
+#ifndef LINK_OS_OPENBSD_SPEC
+#define LINK_OS_OPENBSD_SPEC ""
+#endif
+
+#ifndef CPP_OS_OPENBSD_SPEC
+#define CPP_OS_OPENBSD_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
+#endif
+
/* WindISS support. */
#define LIB_WINDISS_SPEC "--start-group -li -lcfp -lwindiss -lram -limpl -limpfp --end-group"
/* Override rs6000.h definition. */
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
- { "cpp_sysv", CPP_SYSV_SPEC }, \
- { "crtsavres_default", CRTSAVRES_DEFAULT_SPEC }, \
+ { "crtsavres_default", CRTSAVRES_DEFAULT_SPEC }, \
{ "lib_ads", LIB_ADS_SPEC }, \
{ "lib_yellowknife", LIB_YELLOWKNIFE_SPEC }, \
{ "lib_mvme", LIB_MVME_SPEC }, \
{ "lib_gnu", LIB_GNU_SPEC }, \
{ "lib_linux", LIB_LINUX_SPEC }, \
{ "lib_netbsd", LIB_NETBSD_SPEC }, \
- { "lib_windiss", LIB_WINDISS_SPEC }, \
+ { "lib_openbsd", LIB_OPENBSD_SPEC }, \
+ { "lib_windiss", LIB_WINDISS_SPEC }, \
{ "lib_default", LIB_DEFAULT_SPEC }, \
{ "startfile_ads", STARTFILE_ADS_SPEC }, \
{ "startfile_yellowknife", STARTFILE_YELLOWKNIFE_SPEC }, \
{ "startfile_gnu", STARTFILE_GNU_SPEC }, \
{ "startfile_linux", STARTFILE_LINUX_SPEC }, \
{ "startfile_netbsd", STARTFILE_NETBSD_SPEC }, \
- { "startfile_windiss", STARTFILE_WINDISS_SPEC }, \
+ { "startfile_openbsd", STARTFILE_OPENBSD_SPEC }, \
+ { "startfile_windiss", STARTFILE_WINDISS_SPEC }, \
{ "startfile_default", STARTFILE_DEFAULT_SPEC }, \
{ "endfile_ads", ENDFILE_ADS_SPEC }, \
{ "endfile_yellowknife", ENDFILE_YELLOWKNIFE_SPEC }, \
{ "endfile_gnu", ENDFILE_GNU_SPEC }, \
{ "endfile_linux", ENDFILE_LINUX_SPEC }, \
{ "endfile_netbsd", ENDFILE_NETBSD_SPEC }, \
- { "endfile_windiss", ENDFILE_WINDISS_SPEC }, \
+ { "endfile_openbsd", ENDFILE_OPENBSD_SPEC }, \
+ { "endfile_windiss", ENDFILE_WINDISS_SPEC }, \
{ "endfile_default", ENDFILE_DEFAULT_SPEC }, \
{ "link_path", LINK_PATH_SPEC }, \
{ "link_shlib", LINK_SHLIB_SPEC }, \
{ "link_start_gnu", LINK_START_GNU_SPEC }, \
{ "link_start_linux", LINK_START_LINUX_SPEC }, \
{ "link_start_netbsd", LINK_START_NETBSD_SPEC }, \
+ { "link_start_openbsd", LINK_START_OPENBSD_SPEC }, \
{ "link_start_windiss", LINK_START_WINDISS_SPEC }, \
{ "link_start_default", LINK_START_DEFAULT_SPEC }, \
{ "link_os", LINK_OS_SPEC }, \
{ "link_os_linux", LINK_OS_LINUX_SPEC }, \
{ "link_os_gnu", LINK_OS_GNU_SPEC }, \
{ "link_os_netbsd", LINK_OS_NETBSD_SPEC }, \
+ { "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \
{ "link_os_windiss", LINK_OS_WINDISS_SPEC }, \
{ "link_os_default", LINK_OS_DEFAULT_SPEC }, \
{ "cc1_endian_big", CC1_ENDIAN_BIG_SPEC }, \
{ "cc1_endian_little", CC1_ENDIAN_LITTLE_SPEC }, \
{ "cc1_endian_default", CC1_ENDIAN_DEFAULT_SPEC }, \
+ { "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \
{ "cpp_os_ads", CPP_OS_ADS_SPEC }, \
{ "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \
{ "cpp_os_mvme", CPP_OS_MVME_SPEC }, \
{ "cpp_os_gnu", CPP_OS_GNU_SPEC }, \
{ "cpp_os_linux", CPP_OS_LINUX_SPEC }, \
{ "cpp_os_netbsd", CPP_OS_NETBSD_SPEC }, \
- { "cpp_os_windiss", CPP_OS_WINDISS_SPEC }, \
- { "cpp_os_default", CPP_OS_DEFAULT_SPEC },
+ { "cpp_os_openbsd", CPP_OS_OPENBSD_SPEC }, \
+ { "cpp_os_windiss", CPP_OS_WINDISS_SPEC }, \
+ { "cpp_os_default", CPP_OS_DEFAULT_SPEC }, \
+ { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }, \
+ SUBSUBTARGET_EXTRA_SPECS
+
+#define SUBSUBTARGET_EXTRA_SPECS
/* Define this macro as a C expression for the initializer of an
array of string to tell the driver program which options are
#define HANDLE_PRAGMA_PACK_PUSH_POP 1
-/* Define library calls for quad FP operations. These are all part of the
- PowerPC 32bit ABI. */
-#define ADDTF3_LIBCALL "_q_add"
-#define DIVTF3_LIBCALL "_q_div"
-#define EXTENDDFTF2_LIBCALL "_q_dtoq"
-#define EQTF2_LIBCALL "_q_feq"
-#define GETF2_LIBCALL "_q_fge"
-#define GTTF2_LIBCALL "_q_fgt"
-#define LETF2_LIBCALL "_q_fle"
-#define LTTF2_LIBCALL "_q_flt"
-#define NETF2_LIBCALL "_q_fne"
-#define FLOATSITF2_LIBCALL "_q_itoq"
-#define MULTF3_LIBCALL "_q_mul"
-#define NEGTF2_LIBCALL "_q_neg"
-#define TRUNCTFDF2_LIBCALL "_q_qtod"
-#define FIX_TRUNCTFSI2_LIBCALL "_q_qtoi"
-#define TRUNCTFSF2_LIBCALL "_q_qtos"
-#define FIXUNS_TRUNCTFSI2_LIBCALL "_q_qtou"
-#define SQRTTF_LIBCALL "_q_sqrt"
-#define EXTENDSFTF2_LIBCALL "_q_stoq"
-#define SUBTF3_LIBCALL "_q_sub"
-#define FLOATUNSSITF2_LIBCALL "_q_utoq"
-
-#define INIT_TARGET_OPTABS \
- do { \
- if (TARGET_HARD_FLOAT) \
- { \
- add_optab->handlers[(int) TFmode].libfunc \
- = init_one_libfunc (ADDTF3_LIBCALL); \
- sub_optab->handlers[(int) TFmode].libfunc \
- = init_one_libfunc (SUBTF3_LIBCALL); \
- neg_optab->handlers[(int) TFmode].libfunc \
- = init_one_libfunc (NEGTF2_LIBCALL); \
- smul_optab->handlers[(int) TFmode].libfunc \
- = init_one_libfunc (MULTF3_LIBCALL); \
- sdiv_optab->handlers[(int) TFmode].libfunc \
- = init_one_libfunc (DIVTF3_LIBCALL); \
- eqtf2_libfunc = init_one_libfunc (EQTF2_LIBCALL); \
- netf2_libfunc = init_one_libfunc (NETF2_LIBCALL); \
- gttf2_libfunc = init_one_libfunc (GTTF2_LIBCALL); \
- getf2_libfunc = init_one_libfunc (GETF2_LIBCALL); \
- lttf2_libfunc = init_one_libfunc (LTTF2_LIBCALL); \
- letf2_libfunc = init_one_libfunc (LETF2_LIBCALL); \
- trunctfsf2_libfunc = init_one_libfunc (TRUNCTFSF2_LIBCALL); \
- trunctfdf2_libfunc = init_one_libfunc (TRUNCTFDF2_LIBCALL); \
- extendsftf2_libfunc = init_one_libfunc (EXTENDSFTF2_LIBCALL); \
- extenddftf2_libfunc = init_one_libfunc (EXTENDDFTF2_LIBCALL); \
- floatsitf_libfunc = init_one_libfunc (FLOATSITF2_LIBCALL); \
- fixtfsi_libfunc = init_one_libfunc (FIX_TRUNCTFSI2_LIBCALL); \
- fixunstfsi_libfunc \
- = init_one_libfunc (FIXUNS_TRUNCTFSI2_LIBCALL); \
- if (TARGET_PPC_GPOPT || TARGET_POWER2) \
- sqrt_optab->handlers[(int) TFmode].libfunc \
- = init_one_libfunc (SQRTTF_LIBCALL); \
- } \
- } 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. */
? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) \
: DW_EH_PE_absptr)
-#define TARGET_ASM_EXCEPTION_SECTION readonly_data_section
-
#define DOUBLE_INT_ASM_OP "\t.quad\t"
/* Generate entries in .fixup for relocatable addresses. */
-#define RELOCATABLE_NEEDS_FIXUP
+#define RELOCATABLE_NEEDS_FIXUP 1
+
+/* This target uses the sysv4.opt file. */
+#define TARGET_USES_SYSV4_OPT 1
OSDN Git Service
