X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=gcc%2Fconfig%2Frs6000%2Fsysv4.h;h=a878a53ffa9a3651059f572363068d91e074ce27;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=ecc37ee25ed55258cdbc27ea1e34974587f75400;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h index ecc37ee2..a878a53f 100644 --- a/gcc/config/rs6000/sysv4.h +++ b/gcc/config/rs6000/sysv4.h @@ -1,25 +1,32 @@ /* Target definitions for GNU compiler for PowerPC running System V.4 - Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003 - Free Software Foundation, Inc. + Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, + 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. Contributed by Cygnus Support. -This file is part of GNU CC. + This file is part of GCC. -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. + 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. -GNU CC 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. + GCC is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. -You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ + Under Section 7 of GPL version 3, you are granted additional + permissions described in the GCC Runtime Library Exception, version + 3.1, as published by the Free Software Foundation. + You should have received a copy of the GNU General Public License and + a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + . */ + +/* 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 @@ -34,10 +41,6 @@ Boston, MA 02111-1307, USA. */ #undef ASM_DEFAULT_SPEC #define ASM_DEFAULT_SPEC "-mppc" -/* Override rs6000.h definition. */ -#undef CPP_DEFAULT_SPEC -#define CPP_DEFAULT_SPEC "-D_ARCH_PPC" - /* Small data support types. */ enum rs6000_sdata_type { SDATA_NONE, /* No small data support. */ @@ -48,24 +51,6 @@ enum rs6000_sdata_type { 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)) \ @@ -78,87 +63,17 @@ extern enum rs6000_sdata_type rs6000_sdata; #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; - -/* Override rs6000.h definition. */ -#undef SUBTARGET_OPTIONS -#define SUBTARGET_OPTIONS \ - { "call-", &rs6000_abi_name, N_("Select ABI calling convention") }, \ - { "sdata=", &rs6000_sdata_name, N_("Select method for sdata handling") } - -/* Max # of bytes for variables to automatically be put into the .sdata - or .sdata2 sections. */ -extern int g_switch_value; /* Value of the -G xx switch. */ -extern int g_switch_set; /* Whether -G xx was passed. */ +extern const char *rs6000_tls_size_string; /* For -mtls-size= */ #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") }, \ - { "vxworks", 0, N_("no description yet") }, \ - { "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 @@ -173,6 +88,9 @@ do { \ 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")) \ @@ -186,21 +104,23 @@ do { \ rs6000_current_abi = ABI_V4; \ target_flags |= MASK_EABI; \ } \ - else if (!strcmp (rs6000_abi_name, "aix")) \ - { \ - rs6000_current_abi = ABI_AIX_NODESC; \ - target_flags |= MASK_EABI; \ - } \ else if (!strcmp (rs6000_abi_name, "aixdesc")) \ rs6000_current_abi = ABI_AIX; \ 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; \ @@ -248,8 +168,9 @@ do { \ rs6000_sdata_name); \ } \ \ - else if (flag_pic && \ - (rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV)) \ + else if (flag_pic && DEFAULT_ABI != ABI_AIX \ + && (rs6000_sdata == SDATA_EABI \ + || rs6000_sdata == SDATA_SYSV)) \ { \ rs6000_sdata = SDATA_DATA; \ error ("-f%s and -msdata=%s are incompatible", \ @@ -257,13 +178,16 @@ do { \ 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_sdata_name, rs6000_abi_name); \ } \ \ + targetm.have_srodata_section = rs6000_sdata == SDATA_EABI; \ + \ if (TARGET_RELOCATABLE && !TARGET_MINIMAL_TOC) \ { \ target_flags |= MASK_MINIMAL_TOC; \ @@ -277,7 +201,7 @@ do { \ 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", \ @@ -290,15 +214,30 @@ do { \ error ("-mcall-aixdesc must be big endian"); \ } \ \ + if (TARGET_SECURE_PLT != secure_plt) \ + { \ + error ("-msecure-plt not supported by your assembler"); \ + } \ + \ /* Treat -fPIC the same as -mrelocatable. */ \ - if (flag_pic > 1) \ - target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC; \ + if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX) \ + { \ + 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 @@ -308,16 +247,15 @@ do { \ #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 @@ -326,26 +264,34 @@ do { \ /* Define this to set the endianness to use in libgcc2.c, which can not depend on target_flags. */ -#if !defined(_LITTLE_ENDIAN) && !defined(__sun__) +#if !defined(__LITTLE_ENDIAN__) && !defined(__sun__) #define LIBGCC2_WORDS_BIG_ENDIAN 1 #else #define LIBGCC2_WORDS_BIG_ENDIAN 0 #endif /* Define cutoff for using external functions to save floating point. - Currently on V.4, always use inline stores. */ -#define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 64) + Currently on 64-bit V.4, always use inline stores. When optimizing + for size on 32-bit targets, use external functions when + profitable. */ +#define FP_SAVE_INLINE(FIRST_REG) (optimize_size && !TARGET_64BIT \ + ? ((FIRST_REG) == 62 \ + || (FIRST_REG) == 63) \ + : (FIRST_REG) < 64) +/* And similarly for general purpose registers. */ +#define GP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 32 \ + && (TARGET_64BIT || !optimize_size)) /* 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 "_l" +#define SAVE_FP_SUFFIX (TARGET_64BIT ? "_l" : "") /* Prefix and suffix to use to restoring floating point. */ #define RESTORE_FP_PREFIX "_restfpr_" -#define RESTORE_FP_SUFFIX "_l" +#define RESTORE_FP_SUFFIX (TARGET_64BIT ? "_l" : "") /* Type used for ptrdiff_t, as a string used in a declaration. */ #define PTRDIFF_TYPE "int" @@ -374,18 +320,24 @@ do { \ #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) - -/* No data type wants to be aligned rounder than this. */ -#undef BIGGEST_ALIGNMENT -#define BIGGEST_ALIGNMENT ((TARGET_EABI && !TARGET_ALTIVEC) ? 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. */ @@ -393,15 +345,6 @@ do { \ ((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. */ @@ -424,167 +367,21 @@ do { \ /* Put PC relative got entries in .got2. */ #define MINIMAL_TOC_SECTION_ASM_OP \ - ((TARGET_RELOCATABLE || flag_pic) ? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"") + (TARGET_RELOCATABLE || (flag_pic && DEFAULT_ABI != ABI_AIX) \ + ? "\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" -/* Besides the usual ELF sections, we need a toc section. */ -/* Override elfos.h definition. */ -#undef EXTRA_SECTIONS -#define EXTRA_SECTIONS in_const, in_toc, in_sdata, in_sdata2, in_sbss, in_init, in_fini - -/* Override elfos.h definition. */ -#undef EXTRA_SECTION_FUNCTIONS -#define EXTRA_SECTION_FUNCTIONS \ - CONST_SECTION_FUNCTION \ - 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); \ - ASM_OUTPUT_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); \ - } \ -} - -/* A C statement or statements to switch to the appropriate section - for output of RTX in mode MODE. You can assume that RTX is some - kind of constant in RTL. The argument MODE is redundant except in - the case of a `const_int' rtx. Select the section by calling - `text_section' or one of the alternatives for other sections. - - Do not define this macro if you put all constants in the read-only - data section. */ - -/* Override elfos.h definition. */ -#undef SELECT_RTX_SECTION -#define SELECT_RTX_SECTION(MODE, X, ALIGN) rs6000_select_rtx_section (MODE, X) +/* 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 -/* A C statement or statements to switch to the appropriate - section for output of DECL. DECL is either a `VAR_DECL' node - or a constant of some sort. RELOC indicates whether forming - the initial value of DECL requires link-time relocations. */ - -/* Override elfos.h definition. */ -#undef SELECT_SECTION -#define SELECT_SECTION(DECL, RELOC, ALIGN) rs6000_select_section (DECL, RELOC) - -/* A C statement to build up a unique section name, expressed as a - STRING_CST node, and assign it to DECL_SECTION_NAME (decl). - RELOC indicates whether the initial value of EXP requires - link-time relocations. If you do not define this macro, GCC will use - the symbol name prefixed by `.' as the section name. Note - this - macro can now be called for uninitialized data items as well as - initialised data and functions. */ - -/* Override elfos.h definition. */ -#undef UNIQUE_SECTION -#define UNIQUE_SECTION(DECL, RELOC) rs6000_unique_section (DECL, RELOC) - -/* Return non-zero if this entry is to be written into the constant pool +/* 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 @@ -607,7 +404,7 @@ fini_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 @@ -624,88 +421,7 @@ extern int rs6000_pic_labelno; /* 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]; \ - \ - ASM_OUTPUT_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); \ - } \ - \ - fprintf (FILE, "%s", TYPE_ASM_OP); \ - assemble_name (FILE, NAME); \ - putc (',', FILE); \ - fprintf (FILE, TYPE_OPERAND_FMT, "function"); \ - putc ('\n', FILE); \ - ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \ - \ - if (DEFAULT_ABI == ABI_AIX) \ - { \ - const char *desc_name, *orig_name; \ - \ - STRIP_NAME_ENCODING (orig_name, 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) - -/* A C compound statement that outputs the assembler code for a thunk function, - used to implement C++ virtual function calls with multiple inheritance. The - thunk acts as a wrapper around a virtual function, adjusting the implicit - object parameter before handing control off to the real function. - - First, emit code to add the integer DELTA to the location that contains the - incoming first argument. Assume that this argument contains a pointer, and - is the one used to pass the this' pointer in C++. This is the incoming - argument *before* the function prologue, e.g. %o0' on a sparc. The - addition must preserve the values of all other incoming arguments. - - After the addition, emit code to jump to FUNCTION, which is a - FUNCTION_DECL'. This is a direct pure jump, not a call, and does not touch - the return address. Hence returning from FUNCTION will return to whoever - called the current thunk'. - - The effect must be as if FUNCTION had been called directly with the adjusted - first argument. This macro is responsible for emitting all of the code for - a thunk function; FUNCTION_PROLOGUE' and FUNCTION_EPILOGUE' are not - invoked. - - The THUNK_FNDECL is redundant. (DELTA and FUNCTION have already been - extracted from it.) It might possibly be useful on some targets, but - probably not. - - If you do not define this macro, the target-independent code in the C++ - frontend will generate a less efficient heavyweight thunk that calls - FUNCTION instead of jumping to it. The generic approach does not support - varargs. */ - -#define ASM_OUTPUT_MI_THUNK(FILE, THUNK_FNDECL, DELTA, FUNCTION) \ - output_mi_thunk (FILE, THUNK_FNDECL, DELTA, FUNCTION) + 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. */ @@ -713,20 +429,13 @@ extern int rs6000_pic_labelno; #define LOCAL_LABEL_PREFIX "." #define USER_LABEL_PREFIX "" -/* svr4.h overrides ASM_OUTPUT_INTERNAL_LABEL. */ +/* svr4.h overrides (*targetm.asm_out.internal_label). */ #define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \ asm_fprintf (FILE, "%L%s", PREFIX) -#define ASM_OUTPUT_LABEL(FILE,NAME) \ - (assemble_name (FILE, NAME), fputs (":\n", FILE)) - -/* This is how to output a command to make the user-level label named NAME - defined for reference from other files. */ - -#define ASM_GLOBALIZE_LABEL(FILE,NAME) \ - do { fputs ("\t.globl ", FILE); \ - assemble_name (FILE, NAME); putc ('\n', FILE);} while (0) +/* 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, @@ -737,39 +446,48 @@ extern int rs6000_pic_labelno; #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 { \ - 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); \ if (!flag_inhibit_size_directive && (SIZE) > 0) \ - { \ - fprintf (FILE, "%s", SIZE_ASM_OP); \ - assemble_name (FILE, NAME); \ - fprintf (FILE, ",%d\n", SIZE); \ - } \ + ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE); \ } \ else \ { \ fprintf (FILE, "%s", LCOMM_ASM_OP); \ assemble_name ((FILE), (NAME)); \ - fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT); \ + 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_GLOBALIZE_LABEL (FILE, NAME); \ - 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 +/* 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. @@ -781,9 +499,7 @@ do { \ do { \ if (DEFAULT_ABI == ABI_V4) \ asm_fprintf (FILE, \ - (TARGET_32BIT \ - ? "\t{stu|stwu} %s,-16(%s)\n\t{st|stw} %s,12(%s)\n" \ - : "\tstdu %s,-32(%s)\n\tstd %s,24(%s)\n"), \ + "\t{stu|stwu} %s,-16(%s)\n\t{st|stw} %s,12(%s)\n", \ reg_names[1], reg_names[1], reg_names[REGNO], \ reg_names[1]); \ } while (0) @@ -795,9 +511,7 @@ do { \ do { \ if (DEFAULT_ABI == ABI_V4) \ asm_fprintf (FILE, \ - (TARGET_32BIT \ - ? "\t{l|lwz} %s,12(%s)\n\t{ai|addic} %s,%s,16\n" \ - : "\tld %s,24(%s)\n\t{ai|addic} %s,%s,32\n"), \ + "\t{l|lwz} %s,12(%s)\n\t{ai|addic} %s,%s,16\n", \ reg_names[REGNO], reg_names[1], reg_names[1], \ reg_names[1]); \ } while (0) @@ -813,16 +527,6 @@ do { \ || (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. */ @@ -832,58 +536,22 @@ extern int fixuplabelno; /* 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 +#undef PREFERRED_DEBUGGING_TYPE +#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG /* Historically we have also supported stabs debugging. */ -#define DBX_DEBUGGING_INFO - -/* If we are referencing a function that is static or is known to be - in this file, make the SYMBOL_REF special. We can use this to indicate - that we can branch to this function without emitting a no-op after the - call. For real AIX calling sequences, we also replace the - function name with the real name (1 or 2 leading .'s), rather than - the function descriptor name. This saves a lot of overriding code - to read the prefixes. */ +#define DBX_DEBUGGING_INFO 1 -#undef ENCODE_SECTION_INFO -#define ENCODE_SECTION_INFO(DECL) rs6000_encode_section_info (DECL) +#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) -/* This macro gets just the user-specified name - out of the string in a SYMBOL_REF. Discard - a leading * or @. */ -#define STRIP_NAME_ENCODING(VAR,SYMBOL_NAME) \ -do { \ - const char *_name = SYMBOL_NAME; \ - while (*_name == '*' || *_name == '@') \ - _name++; \ - (VAR) = _name; \ -} while (0) - -/* This is how to output a reference to a user-level label named NAME. - `assemble_name' uses this. */ - -/* Override elfos.h definition. */ -#undef ASM_OUTPUT_LABELREF -#define ASM_OUTPUT_LABELREF(FILE,NAME) \ -do { \ - const char *_name = NAME; \ - if (*_name == '@') \ - _name++; \ - \ - if (*_name == '*') \ - fprintf (FILE, "%s", _name + 1); \ - else \ - asm_fprintf (FILE, "%U%s", _name); \ -} while (0) - -/* But, to make this work, we have to output the stabs for the function - name *first*... */ +/* We have to output the stabs for the function name *first*, before + outputting its label. */ #define DBX_FUNCTION_FIRST @@ -893,27 +561,48 @@ do { \ #define TARGET_VERSION fprintf (stderr, " (PowerPC System V.4)"); #endif -#ifndef CPP_PREDEFINES -#define CPP_PREDEFINES \ - "-DPPC -Dunix -D__svr4__ -Asystem=unix -Asystem=svr4 -Acpu=powerpc -Amachine=powerpc" +#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"); \ + TARGET_OS_SYSV_CPP_BUILTINS (); \ + } \ + while (0) #endif /* Pass various options to the assembler. */ /* Override svr4.h definition. */ #undef ASM_SPEC #define ASM_SPEC "%(asm_cpu) \ -%{.s: %{mregnames} %{mno-regnames}} %{.S: %{mregnames} %{mno-regnames}} \ -%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \ -%{mrelocatable} %{mrelocatable-lib} %{fpic:-K PIC} %{fPIC:-K PIC} \ -%{memb} %{!memb: %{msdata: -memb} %{msdata=eabi: -memb}} \ -%{mlittle} %{mlittle-endian} %{mbig} %{mbig-endian} \ -%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \ - %{mcall-freebsd: -mbig} \ - %{mcall-i960-old: -mlittle} \ - %{mcall-linux: -mbig} \ - %{mcall-gnu: -mbig} \ - %{mcall-netbsd: -mbig} \ -}}}}" +%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}}" \ +SVR4_ASM_SPEC \ +"%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \ +%{memb|msdata|msdata=eabi: -memb} \ +%{mlittle|mlittle-endian:-mlittle; \ + mbig|mbig-endian :-mbig; \ + mcall-aixdesc | \ + mcall-freebsd | \ + mcall-netbsd | \ + mcall-openbsd | \ + mcall-linux | \ + mcall-gnu :-mbig; \ + mcall-i960-old :-mlittle}" #define CC1_ENDIAN_BIG_SPEC "" @@ -926,22 +615,22 @@ do { \ #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: %(cc1_endian_little)} %{!mlittle: %{mlittle-endian: %(cc1_endian_little)}} \ -%{mbig: %(cc1_endian_big)} %{!mbig: %{mbig-endian: %(cc1_endian_big)}} \ -%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \ - %{mcall-aixdesc: -mbig %(cc1_endian_big) } \ - %{mcall-freebsd: -mbig %(cc1_endian_big) } \ - %{mcall-i960-old: -mlittle %(cc1_endian_little) } \ - %{mcall-linux: -mbig %(cc1_endian_big) } \ - %{mcall-gnu: -mbig %(cc1_endian_big) } \ - %{mcall-netbsd: -mbig %(cc1_endian_big) } \ - %{!mcall-aixdesc: %{!mcall-freebsd: %{!mcall-i960-old: %{!mcall-linux: %{!mcall-gnu: %{!mcall-netbsd: \ - %(cc1_endian_default) \ - }}}}}} \ -}}}} \ -%{mno-sdata: -msdata=none } \ +#define CC1_SPEC "%{G*} %(cc1_cpu) \ +%{mlittle|mlittle-endian: %(cc1_endian_little); \ + mbig |mbig-endian : %(cc1_endian_big); \ + 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)} \ %{meabi: %{!mcall-*: -mcall-sysv }} \ %{!meabi: %{!mno-eabi: \ %{mrelocatable: -meabi } \ @@ -949,13 +638,15 @@ do { \ %{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, for cross compilers. */ -#ifndef CROSS_COMPILE +#ifndef CROSS_DIRECTORY_STRUCTURE #define LINK_PATH_SPEC "\ %{!R*:%{L*:-R %*}} \ %{!nostdlib: %{!YP,*: \ @@ -973,16 +664,16 @@ do { \ /* 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-gnu: %(link_start_gnu) } \ -%{mcall-netbsd: %(link_start_netbsd) } \ -%{!mads: %{!myellowknife: %{!mmvme: %{!msim: %{!mcall-linux: %{!mcall-gnu: \ - %{!mcall-netbsd: %{!mcall-freebsd: %(link_start_default) }}}}}}}}" +%{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-gnu : %(link_start_gnu) ; \ + mcall-netbsd : %(link_start_netbsd) ; \ + mcall-openbsd: %(link_start_openbsd) ; \ + : %(link_start_default) }" #define LINK_START_DEFAULT_SPEC "" @@ -1030,127 +721,87 @@ do { \ /* 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-gnu: %(link_os_gnu) } \ -%{mcall-netbsd: %(link_os_netbsd) } \ -%{!mads: %{!myellowknife: %{!mmvme: %{!msim: %{!mcall-freebsd: %{!mcall-linux: %{!mcall-gnu: %{!mcall-netbsd: %(link_os_default) }}}}}}}}" +%{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-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: -D__PIC__=1 -D__pic__=1} \ -%{!fpic: %{fPIC: -D__PIC__=2 -D__pic__=2}} \ -%{mlong-double-128: -D__LONG_DOUBLE_128__=1} \ -%{!mlong-double-64: %(cpp_longdouble_default)} \ -%{mcall-sysv: -D_CALL_SYSV} \ -%{mcall-aix: -D_CALL_AIX} %{mcall-aixdesc: -D_CALL_AIX -D_CALL_AIXDESC} \ -%{!mcall-sysv: %{!mcall-aix: %{!mcall-aixdesc: %(cpp_sysv_default) }}} \ -%{msoft-float: -D_SOFT_FLOAT} \ -%{!msoft-float: %{!mhard-float: \ - %{mcpu=401: -D_SOFT_FLOAT} \ - %{mcpu=403: -D_SOFT_FLOAT} \ - %{mcpu=405: -D_SOFT_FLOAT} \ - %{mcpu=ec603e: -D_SOFT_FLOAT} \ - %{mcpu=801: -D_SOFT_FLOAT} \ - %{mcpu=821: -D_SOFT_FLOAT} \ - %{mcpu=823: -D_SOFT_FLOAT} \ - %{mcpu=860: -D_SOFT_FLOAT} \ - %{!mcpu*: %(cpp_float_default) }}}" - -/* Whether floating point is disabled by default. */ -#define CPP_FLOAT_DEFAULT_SPEC "" - -/* Whether 'long double' is 128 bits by default. */ -#define CPP_LONGDOUBLE_DEFAULT_SPEC "" - -#define CPP_SYSV_DEFAULT_SPEC "-D_CALL_SYSV" - -#define CPP_ENDIAN_BIG_SPEC "-D_BIG_ENDIAN -D__BIG_ENDIAN__ -Amachine=bigendian" - -#define CPP_ENDIAN_LITTLE_SPEC "-D_LITTLE_ENDIAN -D__LITTLE_ENDIAN__ -Amachine=littleendian" - -#define CPP_ENDIAN_SPEC \ -"%{mlittle: %(cpp_endian_little) } \ -%{mlittle-endian: %(cpp_endian_little) } \ -%{mbig: %(cpp_endian_big) } \ -%{mbig-endian: %(cpp_endian_big) } \ -%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \ - %{mcall-freebsd: %(cpp_endian_big) } \ - %{mcall-linux: %(cpp_endian_big) } \ - %{mcall-gnu: %(cpp_endian_big) } \ - %{mcall-netbsd: %(cpp_endian_big) } \ - %{mcall-i960-old: %(cpp_endian_little) } \ - %{mcall-aixdesc: %(cpp_endian_big) } \ - %{!mcall-linux: %{!mcall-gnu: %{!mcall-freebsd: %{!mcall-netbsd: %{!mcall-aixdesc: %(cpp_endian_default) }}}}}}}}}" - -#define CPP_ENDIAN_DEFAULT_SPEC "%(cpp_endian_big)" +#define DRIVER_SELF_SPECS "%{mfpu=none: %) pragma specifies the maximum alignment (in bytes) of fields within a structure, in much the same way as the __aligned__' and __packed__' __attribute__'s - do. A pack value of zero resets the behaviour to the default. + do. A pack value of zero resets the behavior to the default. Successive invocations of this pragma cause the previous values to be stacked, so that invocations of #pragma pack(pop)' will return to the previous value. */ #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. */ @@ -1553,9 +1120,10 @@ ncrtn.o%s" ? (((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