diff options
Diffstat (limited to 'gcc-4.9/gcc/config/rs6000/sysv4.h')
| -rw-r--r-- | gcc-4.9/gcc/config/rs6000/sysv4.h | 951 |
1 files changed, 951 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/rs6000/sysv4.h b/gcc-4.9/gcc/config/rs6000/sysv4.h new file mode 100644 index 000000000..d04e6e4a0 --- /dev/null +++ b/gcc-4.9/gcc/config/rs6000/sysv4.h @@ -0,0 +1,951 @@ +/* Target definitions for GNU compiler for PowerPC running System V.4 + Copyright (C) 1995-2014 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) \ + ((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE) \ + ? 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\taddic %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. */ +#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_target) \ +%(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 }" + +/* Override the default target of the linker. */ +#define LINK_TARGET_SPEC \ + ENDIAN_SELECT("", " --oformat elf32-powerpcle", "") + +/* 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_target", LINK_TARGET_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 + +#undef DBX_REGISTER_NUMBER |