| /* Target definitions for GNU compiler for PowerPC running System V.4 |
| Copyright (C) 1995-2015 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 |
| under the terms of the GNU General Public License as published |
| 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 |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
| License for more details. |
| |
| 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/>. */ |
| |
| /* Header files should be C++ aware in general. */ |
| #undef NO_IMPLICIT_EXTERN_C |
| #define NO_IMPLICIT_EXTERN_C |
| |
| /* Yes! We are ELF. */ |
| #define TARGET_OBJECT_FORMAT OBJECT_ELF |
| |
| /* Default ABI to compile code for. */ |
| #define DEFAULT_ABI rs6000_current_abi |
| |
| /* Default ABI to use. */ |
| #define RS6000_ABI_NAME "sysv" |
| |
| /* Override rs6000.h definition. */ |
| #undef ASM_DEFAULT_SPEC |
| #define ASM_DEFAULT_SPEC "-mppc" |
| |
| #define TARGET_TOC ((rs6000_isa_flags & OPTION_MASK_64BIT) \ |
| || ((rs6000_isa_flags \ |
| & (OPTION_MASK_RELOCATABLE \ |
| | OPTION_MASK_MINIMAL_TOC)) \ |
| && flag_pic > 1) \ |
| || DEFAULT_ABI != ABI_V4) |
| |
| #define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE) |
| #define TARGET_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN) |
| #define TARGET_PROTOTYPE target_prototype |
| #define TARGET_NO_PROTOTYPE (! TARGET_PROTOTYPE) |
| #define TARGET_NO_TOC (! TARGET_TOC) |
| #define TARGET_NO_EABI (! TARGET_EABI) |
| #define TARGET_REGNAMES rs6000_regnames |
| |
| #ifdef HAVE_AS_REL16 |
| #undef TARGET_SECURE_PLT |
| #define TARGET_SECURE_PLT secure_plt |
| #endif |
| |
| #define SDATA_DEFAULT_SIZE 8 |
| |
| /* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to |
| get control in TARGET_OPTION_OVERRIDE. */ |
| |
| #define SUBTARGET_OVERRIDE_OPTIONS \ |
| do { \ |
| 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; \ |
| \ |
| if (!strcmp (rs6000_abi_name, "sysv")) \ |
| rs6000_current_abi = ABI_V4; \ |
| else if (!strcmp (rs6000_abi_name, "sysv-noeabi")) \ |
| { \ |
| rs6000_current_abi = ABI_V4; \ |
| rs6000_isa_flags &= ~ OPTION_MASK_EABI; \ |
| } \ |
| else if (!strcmp (rs6000_abi_name, "sysv-eabi") \ |
| || !strcmp (rs6000_abi_name, "eabi")) \ |
| { \ |
| rs6000_current_abi = ABI_V4; \ |
| rs6000_isa_flags |= OPTION_MASK_EABI; \ |
| } \ |
| else if (!strcmp (rs6000_abi_name, "aixdesc")) \ |
| rs6000_current_abi = ABI_AIX; \ |
| else if (!strcmp (rs6000_abi_name, "freebsd") \ |
| || !strcmp (rs6000_abi_name, "linux")) \ |
| { \ |
| if (TARGET_64BIT) \ |
| rs6000_current_abi = ABI_AIX; \ |
| else \ |
| 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_isa_flags |= (OPTION_MASK_LITTLE_ENDIAN | OPTION_MASK_EABI); \ |
| rs6000_isa_flags &= ~OPTION_MASK_STRICT_ALIGN; \ |
| TARGET_NO_BITFIELD_WORD = 1; \ |
| } \ |
| else \ |
| { \ |
| rs6000_current_abi = ABI_V4; \ |
| error ("bad value for -mcall-%s", rs6000_abi_name); \ |
| } \ |
| \ |
| if (rs6000_sdata_name) \ |
| { \ |
| if (!strcmp (rs6000_sdata_name, "none")) \ |
| rs6000_sdata = SDATA_NONE; \ |
| else if (!strcmp (rs6000_sdata_name, "data")) \ |
| rs6000_sdata = SDATA_DATA; \ |
| else if (!strcmp (rs6000_sdata_name, "default")) \ |
| rs6000_sdata = (TARGET_EABI) ? SDATA_EABI : SDATA_SYSV; \ |
| else if (!strcmp (rs6000_sdata_name, "sysv")) \ |
| rs6000_sdata = SDATA_SYSV; \ |
| else if (!strcmp (rs6000_sdata_name, "eabi")) \ |
| rs6000_sdata = SDATA_EABI; \ |
| else \ |
| error ("bad value for -msdata=%s", rs6000_sdata_name); \ |
| } \ |
| else if (DEFAULT_ABI == ABI_V4) \ |
| { \ |
| rs6000_sdata = SDATA_DATA; \ |
| rs6000_sdata_name = "data"; \ |
| } \ |
| else \ |
| { \ |
| rs6000_sdata = SDATA_NONE; \ |
| rs6000_sdata_name = "none"; \ |
| } \ |
| \ |
| if (TARGET_RELOCATABLE && \ |
| (rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV)) \ |
| { \ |
| rs6000_sdata = SDATA_DATA; \ |
| error ("-mrelocatable and -msdata=%s are incompatible", \ |
| rs6000_sdata_name); \ |
| } \ |
| \ |
| else if (flag_pic && DEFAULT_ABI == ABI_V4 \ |
| && (rs6000_sdata == SDATA_EABI \ |
| || rs6000_sdata == SDATA_SYSV)) \ |
| { \ |
| rs6000_sdata = SDATA_DATA; \ |
| error ("-f%s and -msdata=%s are incompatible", \ |
| (flag_pic > 1) ? "PIC" : "pic", \ |
| rs6000_sdata_name); \ |
| } \ |
| \ |
| 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_sdata_name, rs6000_abi_name); \ |
| } \ |
| \ |
| targetm.have_srodata_section = rs6000_sdata == SDATA_EABI; \ |
| \ |
| if (TARGET_RELOCATABLE && !TARGET_MINIMAL_TOC) \ |
| { \ |
| rs6000_isa_flags |= OPTION_MASK_MINIMAL_TOC; \ |
| error ("-mrelocatable and -mno-minimal-toc are incompatible"); \ |
| } \ |
| \ |
| if (TARGET_RELOCATABLE && rs6000_current_abi != ABI_V4) \ |
| { \ |
| rs6000_isa_flags &= ~OPTION_MASK_RELOCATABLE; \ |
| error ("-mrelocatable and -mcall-%s are incompatible", \ |
| rs6000_abi_name); \ |
| } \ |
| \ |
| if (!TARGET_64BIT && flag_pic > 1 && rs6000_current_abi != ABI_V4) \ |
| { \ |
| flag_pic = 0; \ |
| error ("-fPIC and -mcall-%s are incompatible", \ |
| rs6000_abi_name); \ |
| } \ |
| \ |
| if (TARGET_SECURE_PLT != secure_plt) \ |
| { \ |
| error ("-msecure-plt not supported by your assembler"); \ |
| } \ |
| \ |
| /* Treat -fPIC the same as -mrelocatable. */ \ |
| if (flag_pic > 1 && DEFAULT_ABI == ABI_V4) \ |
| { \ |
| rs6000_isa_flags |= OPTION_MASK_RELOCATABLE | OPTION_MASK_MINIMAL_TOC; \ |
| TARGET_NO_FP_IN_TOC = 1; \ |
| } \ |
| \ |
| else if (TARGET_RELOCATABLE) \ |
| if (!flag_pic) \ |
| flag_pic = 2; \ |
| } while (0) |
| |
| #ifndef RS6000_BI_ARCH |
| # define SUBSUBTARGET_OVERRIDE_OPTIONS \ |
| do { \ |
| if ((TARGET_DEFAULT ^ rs6000_isa_flags) & OPTION_MASK_64BIT) \ |
| error ("-m%s not supported in this configuration", \ |
| (rs6000_isa_flags & OPTION_MASK_64BIT) ? "64" : "32"); \ |
| } while (0) |
| #endif |
| |
| /* Override rs6000.h definition. */ |
| #undef TARGET_DEFAULT |
| #define TARGET_DEFAULT 0 |
| |
| /* Override rs6000.h definition. */ |
| #undef PROCESSOR_DEFAULT |
| #define PROCESSOR_DEFAULT PROCESSOR_PPC750 |
| |
| #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 |
| |
| /* 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) |
| |
| /* Put jump tables in read-only memory, rather than in .text. */ |
| #define JUMP_TABLES_IN_TEXT_SECTION 0 |
| |
| /* Prefix and suffix to use to saving floating point. */ |
| #define SAVE_FP_PREFIX "_savefpr_" |
| #define SAVE_FP_SUFFIX "" |
| |
| /* 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" |
| |
| #undef WCHAR_TYPE |
| #define WCHAR_TYPE "long int" |
| |
| #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. */ |
| #undef PCC_BITFIELD_TYPE_MATTERS |
| #define PCC_BITFIELD_TYPE_MATTERS (TARGET_BITFIELD_TYPE) |
| |
| #undef BITFIELD_NBYTES_LIMITED |
| #define BITFIELD_NBYTES_LIMITED (TARGET_NO_BITFIELD_WORD) |
| |
| /* Define this macro to be the value 1 if instructions will fail to |
| work if given data not on the nominal alignment. If instructions |
| will merely go slower in that case, define this macro as 0. */ |
| #undef STRICT_ALIGNMENT |
| #define STRICT_ALIGNMENT (TARGET_STRICT_ALIGN) |
| |
| /* 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 && !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. */ |
| #define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \ |
| (rs6000_special_adjust_field_align_p ((FIELD), (COMPUTED)) \ |
| ? 128 : COMPUTED) |
| |
| #undef BIGGEST_FIELD_ALIGNMENT |
| |
| /* Use ELF style section commands. */ |
| |
| #define TEXT_SECTION_ASM_OP "\t.section\t\".text\"" |
| |
| #define DATA_SECTION_ASM_OP "\t.section\t\".data\"" |
| |
| #define BSS_SECTION_ASM_OP "\t.section\t\".bss\"" |
| |
| /* Override elfos.h definition. */ |
| #undef INIT_SECTION_ASM_OP |
| #define INIT_SECTION_ASM_OP "\t.section\t\".init\",\"ax\"" |
| |
| /* Override elfos.h definition. */ |
| #undef FINI_SECTION_ASM_OP |
| #define FINI_SECTION_ASM_OP "\t.section\t\".fini\",\"ax\"" |
| |
| #define TOC_SECTION_ASM_OP "\t.section\t\".got\",\"aw\"" |
| |
| /* Put PC relative got entries in .got2. */ |
| #define MINIMAL_TOC_SECTION_ASM_OP \ |
| (TARGET_RELOCATABLE || (flag_pic && DEFAULT_ABI == ABI_V4) \ |
| ? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"") |
| |
| #define SDATA_SECTION_ASM_OP "\t.section\t\".sdata\",\"aw\"" |
| #define SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\"" |
| #define SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits" |
| |
| /* Override default elf definitions. */ |
| #define TARGET_ASM_INIT_SECTIONS rs6000_elf_asm_init_sections |
| #undef TARGET_ASM_RELOC_RW_MASK |
| #define TARGET_ASM_RELOC_RW_MASK rs6000_elf_reloc_rw_mask |
| #undef TARGET_ASM_SELECT_RTX_SECTION |
| #define TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section |
| |
| /* Return nonzero if this entry is to be written into the constant pool |
| in a special way. We do so if this is a SYMBOL_REF, LABEL_REF or a CONST |
| containing one of them. If -mfp-in-toc (the default), 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 these target macros |
| includes real.h. |
| |
| Unlike AIX, we don't key off of -mminimal-toc, but instead do not |
| allow floating point constants in the TOC if -mrelocatable. */ |
| |
| #undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P |
| #define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \ |
| (TARGET_TOC \ |
| && (GET_CODE (X) == SYMBOL_REF \ |
| || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS \ |
| && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF) \ |
| || GET_CODE (X) == LABEL_REF \ |
| || (GET_CODE (X) == CONST_INT \ |
| && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \ |
| || (!TARGET_NO_FP_IN_TOC \ |
| && !TARGET_RELOCATABLE \ |
| && GET_CODE (X) == CONST_DOUBLE \ |
| && SCALAR_FLOAT_MODE_P (GET_MODE (X)) \ |
| && BITS_PER_WORD == HOST_BITS_PER_INT))) |
| |
| /* These macros generate the special .type and .size directives which |
| are used to set the corresponding fields of the linker symbol table |
| entries in an ELF object file under SVR4. These macros also output |
| the starting labels for the relevant functions/objects. */ |
| |
| /* 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. */ |
| |
| /* 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 "" |
| |
| #define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \ |
| asm_fprintf (FILE, "%L%s", PREFIX) |
| |
| /* Globalizing directive for a label. */ |
| #define GLOBAL_ASM_OP "\t.globl " |
| |
| /* This says how to output assembler code to declare an |
| uninitialized internal linkage data object. Under SVR4, |
| the linker seems to want the alignment of data objects |
| to depend on their types. We do exactly that here. */ |
| |
| #define LOCAL_ASM_OP "\t.local\t" |
| |
| #define LCOMM_ASM_OP "\t.lcomm\t" |
| |
| /* Describe how to emit uninitialized local items. */ |
| #define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \ |
| do { \ |
| if ((DECL) && rs6000_elf_in_small_data_p (DECL)) \ |
| { \ |
| 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); \ |
| if (!flag_inhibit_size_directive && (SIZE) > 0) \ |
| ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE); \ |
| } \ |
| else \ |
| { \ |
| fprintf (FILE, "%s", LCOMM_ASM_OP); \ |
| assemble_name ((FILE), (NAME)); \ |
| fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ |
| (SIZE), (ALIGN) / BITS_PER_UNIT); \ |
| } \ |
| ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \ |
| } while (0) |
| |
| /* Describe how to emit uninitialized external linkage items. */ |
| #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ |
| do { \ |
| ASM_OUTPUT_ALIGNED_DECL_LOCAL (FILE, DECL, NAME, SIZE, ALIGN); \ |
| } while (0) |
| |
| #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN |
| /* To support -falign-* switches we need to use .p2align so |
| that alignment directives in code sections will be padded |
| with no-op instructions, rather than zeroes. */ |
| #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \ |
| if ((LOG) != 0) \ |
| { \ |
| if ((MAX_SKIP) == 0) \ |
| fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ |
| else \ |
| fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ |
| } |
| #endif |
| |
| /* This is how to output code to push a register on the stack. |
| It need not be very fast code. |
| |
| On the rs6000, we must keep the backchain up to date. In order |
| to simplify things, always allocate 16 bytes for a push (System V |
| wants to keep stack aligned to a 16 byte boundary). */ |
| |
| #define ASM_OUTPUT_REG_PUSH(FILE, REGNO) \ |
| do { \ |
| if (DEFAULT_ABI == ABI_V4) \ |
| asm_fprintf (FILE, \ |
| "\tstwu %s,-16(%s)\n\tstw %s,12(%s)\n", \ |
| reg_names[1], reg_names[1], reg_names[REGNO], \ |
| reg_names[1]); \ |
| } while (0) |
| |
| /* This is how to output an insn to pop a register from the stack. |
| It need not be very fast code. */ |
| |
| #define ASM_OUTPUT_REG_POP(FILE, REGNO) \ |
| do { \ |
| if (DEFAULT_ABI == ABI_V4) \ |
| asm_fprintf (FILE, \ |
| "\tlwz %s,12(%s)\n\taddi %s,%s,16\n", \ |
| reg_names[REGNO], reg_names[1], reg_names[1], \ |
| reg_names[1]); \ |
| } while (0) |
| |
| extern int fixuplabelno; |
| |
| /* Handle constructors specially for -mrelocatable. */ |
| #define TARGET_ASM_CONSTRUCTOR rs6000_elf_asm_out_constructor |
| #define TARGET_ASM_DESTRUCTOR rs6000_elf_asm_out_destructor |
| |
| /* This is the end of what might become sysv4.h. */ |
| |
| /* Use DWARF 2 debugging information by default. */ |
| #undef PREFERRED_DEBUGGING_TYPE |
| #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG |
| |
| /* Historically we have also supported stabs debugging. */ |
| #define DBX_DEBUGGING_INFO 1 |
| |
| #define TARGET_ENCODE_SECTION_INFO rs6000_elf_encode_section_info |
| #define TARGET_IN_SMALL_DATA_P rs6000_elf_in_small_data_p |
| |
| /* The ELF version doesn't encode [DS] or whatever at the end of symbols. */ |
| |
| #define RS6000_OUTPUT_BASENAME(FILE, NAME) \ |
| assemble_name (FILE, NAME) |
| |
| /* We have to output the stabs for the function name *first*, before |
| outputting its label. */ |
| |
| #define DBX_FUNCTION_FIRST |
| |
| /* This is the end of what might become sysv4dbx.h. */ |
| |
| #define TARGET_OS_SYSV_CPP_BUILTINS() \ |
| do \ |
| { \ |
| if (rs6000_isa_flags_explicit \ |
| & OPTION_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"); \ |
| TARGET_OS_SYSV_CPP_BUILTINS (); \ |
| } \ |
| while (0) |
| #endif |
| |
| /* Select one of BIG_OPT, LITTLE_OPT or DEFAULT_OPT depending |
| on various -mbig, -mlittle and -mcall- options. */ |
| #define ENDIAN_SELECT(BIG_OPT, LITTLE_OPT, DEFAULT_OPT) \ |
| "%{mlittle|mlittle-endian:" LITTLE_OPT ";" \ |
| "mbig|mbig-endian:" BIG_OPT ";" \ |
| "mcall-i960-old:" LITTLE_OPT ";" \ |
| ":" DEFAULT_OPT "}" |
| |
| #define DEFAULT_ASM_ENDIAN " -mbig" |
| |
| #undef ASM_SPEC |
| #define ASM_SPEC "%(asm_cpu) \ |
| %{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}} \ |
| %{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \ |
| %{memb|msdata=eabi: -memb}" \ |
| ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN) |
| |
| #ifndef CC1_SECURE_PLT_DEFAULT_SPEC |
| #define CC1_SECURE_PLT_DEFAULT_SPEC "" |
| #endif |
| |
| /* Pass -G xxx to the compiler. */ |
| #undef CC1_SPEC |
| #define CC1_SPEC "%{G*} %(cc1_cpu)" \ |
| "%{meabi: %{!mcall-*: -mcall-sysv }} \ |
| %{!meabi: %{!mno-eabi: \ |
| %{mrelocatable: -meabi } \ |
| %{mcall-freebsd: -mno-eabi } \ |
| %{mcall-i960-old: -meabi } \ |
| %{mcall-linux: -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}" |
| |
| /* Default starting address if specified. */ |
| #define LINK_START_SPEC "\ |
| %{mads : %(link_start_ads) ; \ |
| myellowknife : %(link_start_yellowknife) ; \ |
| mmvme : %(link_start_mvme) ; \ |
| msim : %(link_start_sim) ; \ |
| mcall-freebsd: %(link_start_freebsd) ; \ |
| mcall-linux : %(link_start_linux) ; \ |
| mcall-netbsd : %(link_start_netbsd) ; \ |
| mcall-openbsd: %(link_start_openbsd) ; \ |
| : %(link_start_default) }" |
| |
| #define LINK_START_DEFAULT_SPEC "" |
| |
| #undef LINK_SPEC |
| #define LINK_SPEC "\ |
| %{h*} %{v:-V} %{!msdata=none:%{G*}} %{msdata=none:-G0} \ |
| %{R*} \ |
| %(link_shlib) \ |
| %{!T*: %(link_start) } \ |
| %(link_os)" |
| |
| /* Shared libraries are not default. */ |
| #define LINK_SHLIB_SPEC "\ |
| %{!mshlib: %{!shared: %{!symbolic: -dn -Bstatic}}} \ |
| %{static: } \ |
| %{shared:-G -dy -z text } \ |
| %{symbolic:-Bsymbolic -G -dy -z text }" |
| |
| /* Any specific OS flags. */ |
| #define LINK_OS_SPEC "\ |
| %{mads : %(link_os_ads) ; \ |
| myellowknife : %(link_os_yellowknife) ; \ |
| mmvme : %(link_os_mvme) ; \ |
| msim : %(link_os_sim) ; \ |
| mcall-freebsd: %(link_os_freebsd) ; \ |
| mcall-linux : %(link_os_linux) ; \ |
| mcall-netbsd : %(link_os_netbsd) ; \ |
| mcall-openbsd: %(link_os_openbsd) ; \ |
| : %(link_os_default) }" |
| |
| #define LINK_OS_DEFAULT_SPEC "" |
| |
| #define DRIVER_SELF_SPECS "%{mfpu=none: %<mfpu=* \ |
| %<msingle-float %<mdouble-float}" |
| |
| /* Override rs6000.h definition. */ |
| #undef CPP_SPEC |
| #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \ |
| %{mads : %(cpp_os_ads) ; \ |
| myellowknife : %(cpp_os_yellowknife) ; \ |
| mmvme : %(cpp_os_mvme) ; \ |
| msim : %(cpp_os_sim) ; \ |
| mcall-freebsd: %(cpp_os_freebsd) ; \ |
| mcall-linux : %(cpp_os_linux) ; \ |
| mcall-netbsd : %(cpp_os_netbsd) ; \ |
| mcall-openbsd: %(cpp_os_openbsd) ; \ |
| : %(cpp_os_default) }" |
| |
| #define CPP_OS_DEFAULT_SPEC "" |
| |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC "\ |
| %{mads : %(startfile_ads) ; \ |
| myellowknife : %(startfile_yellowknife) ; \ |
| mmvme : %(startfile_mvme) ; \ |
| msim : %(startfile_sim) ; \ |
| mcall-freebsd: %(startfile_freebsd) ; \ |
| mcall-linux : %(startfile_linux) ; \ |
| mcall-netbsd : %(startfile_netbsd) ; \ |
| mcall-openbsd: %(startfile_openbsd) ; \ |
| : %(startfile_default) }" |
| |
| #define STARTFILE_DEFAULT_SPEC "ecrti.o%s crtbegin.o%s" |
| |
| #undef LIB_SPEC |
| #define LIB_SPEC "\ |
| %{mads : %(lib_ads) ; \ |
| myellowknife : %(lib_yellowknife) ; \ |
| mmvme : %(lib_mvme) ; \ |
| msim : %(lib_sim) ; \ |
| mcall-freebsd: %(lib_freebsd) ; \ |
| mcall-linux : %(lib_linux) ; \ |
| mcall-netbsd : %(lib_netbsd) ; \ |
| mcall-openbsd: %(lib_openbsd) ; \ |
| : %(lib_default) }" |
| |
| #define LIB_DEFAULT_SPEC "-lc" |
| |
| #undef ENDFILE_SPEC |
| #define ENDFILE_SPEC "\ |
| %{mads : %(endfile_ads) ; \ |
| myellowknife : %(endfile_yellowknife) ; \ |
| mmvme : %(endfile_mvme) ; \ |
| msim : %(endfile_sim) ; \ |
| mcall-freebsd: %(endfile_freebsd) ; \ |
| mcall-linux : %(endfile_linux) ; \ |
| mcall-netbsd : %(endfile_netbsd) ; \ |
| mcall-openbsd: %(endfile_openbsd) ; \ |
| : %(crtsavres_default) %(endfile_default) }" |
| |
| #define CRTSAVRES_DEFAULT_SPEC "" |
| |
| #define ENDFILE_DEFAULT_SPEC "crtend.o%s ecrtn.o%s" |
| |
| /* Motorola ADS support. */ |
| #define LIB_ADS_SPEC "--start-group -lads -lc --end-group" |
| |
| #define STARTFILE_ADS_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s" |
| |
| #define ENDFILE_ADS_SPEC "crtend.o%s ecrtn.o%s" |
| |
| #define LINK_START_ADS_SPEC "-T ads.ld%s" |
| |
| #define LINK_OS_ADS_SPEC "" |
| |
| #define CPP_OS_ADS_SPEC "" |
| |
| /* Motorola Yellowknife support. */ |
| #define LIB_YELLOWKNIFE_SPEC "--start-group -lyk -lc --end-group" |
| |
| #define STARTFILE_YELLOWKNIFE_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s" |
| |
| #define ENDFILE_YELLOWKNIFE_SPEC "crtend.o%s ecrtn.o%s" |
| |
| #define LINK_START_YELLOWKNIFE_SPEC "-T yellowknife.ld%s" |
| |
| #define LINK_OS_YELLOWKNIFE_SPEC "" |
| |
| #define CPP_OS_YELLOWKNIFE_SPEC "" |
| |
| /* Motorola MVME support. */ |
| #define LIB_MVME_SPEC "--start-group -lmvme -lc --end-group" |
| |
| #define STARTFILE_MVME_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s" |
| |
| #define ENDFILE_MVME_SPEC "crtend.o%s ecrtn.o%s" |
| |
| #define LINK_START_MVME_SPEC "-Ttext 0x40000" |
| |
| #define LINK_OS_MVME_SPEC "" |
| |
| #define CPP_OS_MVME_SPEC "" |
| |
| /* PowerPC simulator based on netbsd system calls support. */ |
| #define LIB_SIM_SPEC "--start-group -lsim -lc --end-group" |
| |
| #define STARTFILE_SIM_SPEC "ecrti.o%s sim-crt0.o%s crtbegin.o%s" |
| |
| #define ENDFILE_SIM_SPEC "crtend.o%s ecrtn.o%s" |
| |
| #define LINK_START_SIM_SPEC "" |
| |
| #define LINK_OS_SIM_SPEC "-m elf32ppcsim" |
| |
| #define CPP_OS_SIM_SPEC "" |
| |
| /* FreeBSD support. */ |
| |
| #define CPP_OS_FREEBSD_SPEC "\ |
| -D__PPC__ -D__ppc__ -D__PowerPC__ -D__powerpc__ \ |
| -Acpu=powerpc -Amachine=powerpc" |
| |
| #define STARTFILE_FREEBSD_SPEC FBSD_STARTFILE_SPEC |
| #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)} \ |
| %{v:-V} \ |
| %{assert*} %{R*} %{rpath*} %{defsym*} \ |
| %{shared:-Bshareable %{h*} %{soname*}} \ |
| %{!shared: \ |
| %{!static: \ |
| %{rdynamic: -export-dynamic} \ |
| -dynamic-linker %(fbsd_dynamic_linker) } \ |
| %{static:-Bstatic}} \ |
| %{symbolic:-Bsymbolic}" |
| |
| /* GNU/Linux support. */ |
| #define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \ |
| %{!mnewlib: %{pthread:-lpthread} %{shared:-lc} \ |
| %{!shared: %{profile:-lc_p} %{!profile:-lc}}}" |
| |
| #ifdef HAVE_LD_PIE |
| #define STARTFILE_LINUX_SPEC "\ |
| %{!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|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|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 DEFAULT_LIBC == LIBC_UCLIBC |
| #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 |
| #error "Unsupported DEFAULT_LIBC" |
| #endif |
| #define GNU_USER_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 " GNU_USER_DYNAMIC_LINKER "}}" |
| |
| #if defined(HAVE_LD_EH_FRAME_HDR) |
| # define LINK_EH_SPEC "%{!static:--eh-frame-hdr} " |
| #endif |
| |
| #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=linux -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}" |
| |
| /* NetBSD support. */ |
| #define LIB_NETBSD_SPEC "\ |
| -lc" |
| |
| #define STARTFILE_NETBSD_SPEC "\ |
| ncrti.o%s crt0.o%s \ |
| %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" |
| |
| #define ENDFILE_NETBSD_SPEC "\ |
| %{!shared:crtend.o%s} %{shared:crtendS.o%s} \ |
| ncrtn.o%s" |
| |
| #define LINK_START_NETBSD_SPEC "\ |
| " |
| |
| #define LINK_OS_NETBSD_SPEC "\ |
| %{!shared: %{!static: \ |
| %{rdynamic:-export-dynamic} \ |
| -dynamic-linker /usr/libexec/ld.elf_so}}" |
| |
| #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 |
| |
| /* Define any extra SPECS that the compiler needs to generate. */ |
| /* Override rs6000.h definition. */ |
| #undef SUBTARGET_EXTRA_SPECS |
| #define SUBTARGET_EXTRA_SPECS \ |
| { "crtsavres_default", CRTSAVRES_DEFAULT_SPEC }, \ |
| { "lib_ads", LIB_ADS_SPEC }, \ |
| { "lib_yellowknife", LIB_YELLOWKNIFE_SPEC }, \ |
| { "lib_mvme", LIB_MVME_SPEC }, \ |
| { "lib_sim", LIB_SIM_SPEC }, \ |
| { "lib_freebsd", LIB_FREEBSD_SPEC }, \ |
| { "lib_linux", LIB_LINUX_SPEC }, \ |
| { "lib_netbsd", LIB_NETBSD_SPEC }, \ |
| { "lib_openbsd", LIB_OPENBSD_SPEC }, \ |
| { "lib_default", LIB_DEFAULT_SPEC }, \ |
| { "startfile_ads", STARTFILE_ADS_SPEC }, \ |
| { "startfile_yellowknife", STARTFILE_YELLOWKNIFE_SPEC }, \ |
| { "startfile_mvme", STARTFILE_MVME_SPEC }, \ |
| { "startfile_sim", STARTFILE_SIM_SPEC }, \ |
| { "startfile_freebsd", STARTFILE_FREEBSD_SPEC }, \ |
| { "startfile_linux", STARTFILE_LINUX_SPEC }, \ |
| { "startfile_netbsd", STARTFILE_NETBSD_SPEC }, \ |
| { "startfile_openbsd", STARTFILE_OPENBSD_SPEC }, \ |
| { "startfile_default", STARTFILE_DEFAULT_SPEC }, \ |
| { "endfile_ads", ENDFILE_ADS_SPEC }, \ |
| { "endfile_yellowknife", ENDFILE_YELLOWKNIFE_SPEC }, \ |
| { "endfile_mvme", ENDFILE_MVME_SPEC }, \ |
| { "endfile_sim", ENDFILE_SIM_SPEC }, \ |
| { "endfile_freebsd", ENDFILE_FREEBSD_SPEC }, \ |
| { "endfile_linux", ENDFILE_LINUX_SPEC }, \ |
| { "endfile_netbsd", ENDFILE_NETBSD_SPEC }, \ |
| { "endfile_openbsd", ENDFILE_OPENBSD_SPEC }, \ |
| { "endfile_default", ENDFILE_DEFAULT_SPEC }, \ |
| { "link_shlib", LINK_SHLIB_SPEC }, \ |
| { "link_start", LINK_START_SPEC }, \ |
| { "link_start_ads", LINK_START_ADS_SPEC }, \ |
| { "link_start_yellowknife", LINK_START_YELLOWKNIFE_SPEC }, \ |
| { "link_start_mvme", LINK_START_MVME_SPEC }, \ |
| { "link_start_sim", LINK_START_SIM_SPEC }, \ |
| { "link_start_freebsd", LINK_START_FREEBSD_SPEC }, \ |
| { "link_start_linux", LINK_START_LINUX_SPEC }, \ |
| { "link_start_netbsd", LINK_START_NETBSD_SPEC }, \ |
| { "link_start_openbsd", LINK_START_OPENBSD_SPEC }, \ |
| { "link_start_default", LINK_START_DEFAULT_SPEC }, \ |
| { "link_os", LINK_OS_SPEC }, \ |
| { "link_os_ads", LINK_OS_ADS_SPEC }, \ |
| { "link_os_yellowknife", LINK_OS_YELLOWKNIFE_SPEC }, \ |
| { "link_os_mvme", LINK_OS_MVME_SPEC }, \ |
| { "link_os_sim", LINK_OS_SIM_SPEC }, \ |
| { "link_os_freebsd", LINK_OS_FREEBSD_SPEC }, \ |
| { "link_os_linux", LINK_OS_LINUX_SPEC }, \ |
| { "link_os_netbsd", LINK_OS_NETBSD_SPEC }, \ |
| { "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \ |
| { "link_os_default", LINK_OS_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_sim", CPP_OS_SIM_SPEC }, \ |
| { "cpp_os_freebsd", CPP_OS_FREEBSD_SPEC }, \ |
| { "cpp_os_linux", CPP_OS_LINUX_SPEC }, \ |
| { "cpp_os_netbsd", CPP_OS_NETBSD_SPEC }, \ |
| { "cpp_os_openbsd", CPP_OS_OPENBSD_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 |
| defaults for this target and thus do not need to be handled |
| specially when using `MULTILIB_OPTIONS'. |
| |
| Do not define this macro if `MULTILIB_OPTIONS' is not defined in |
| the target makefile fragment or if none of the options listed in |
| `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ |
| |
| #define MULTILIB_DEFAULTS { "mbig", "mcall-sysv" } |
| |
| /* Define this macro if the code for function profiling should come |
| before the function prologue. Normally, the profiling code comes |
| after. */ |
| #define PROFILE_BEFORE_PROLOGUE 1 |
| |
| /* Function name to call to do profiling. */ |
| #define RS6000_MCOUNT "_mcount" |
| |
| /* 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) \ |
| ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) \ |
| : DW_EH_PE_absptr) |
| |
| #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 |
| |
| #undef TARGET_ASAN_SHADOW_OFFSET |
| #define TARGET_ASAN_SHADOW_OFFSET rs6000_asan_shadow_offset |
| |
| /* This target uses the sysv4.opt file. */ |
| #define TARGET_USES_SYSV4_OPT 1 |
| |