X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fconfig%2Fm68k%2Fm68kelf.h;h=ecdbd508ed01934addab53c9cfd39773b7e0438f;hb=bfcb79ead2fdb04c289afde818583b4e4ddb899a;hp=ae47c195dfe43a0af1069be770b7a67d6ce9c226;hpb=04194a666c5a24ffe6ce1e608ceb34796780b57e;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/config/m68k/m68kelf.h b/gcc/config/m68k/m68kelf.h index ae47c195dfe..ecdbd508ed0 100644 --- a/gcc/config/m68k/m68kelf.h +++ b/gcc/config/m68k/m68kelf.h @@ -1,42 +1,34 @@ /* m68kelf support, derived from m68kv4.h */ /* Target definitions for GNU compiler for mc680x0 running System V.4 - Copyright (C) 1991, 1993, 2000 Free Software Foundation, Inc. + Copyright (C) 1991, 1993, 2000, 2002, 2003, 2004 + Free Software Foundation, Inc. Written by Ron Guilmette (rfg@netcom.com) and Fred Fish (fnf@cygnus.com). -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 +GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. -GNU CC is distributed in the hope that it will be useful, +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. */ +along with GCC; see the file COPYING. If not, write to +the Free Software Foundation, 51 Franklin Street, Fifth Floor, +Boston, MA 02110-1301, USA. */ -/* #notinclude "m68k/sgs.h" / * The m68k/SVR4 assembler is SGS based */ - -/* These are necessary for -fpic/-fPIC to work correctly. */ -#ifndef MOTOROLA -#define MOTOROLA /* Use MOTOROLA syntax. */ -#endif -#ifndef USE_GAS /* forces jsbr instead of jsr. */ -#define USE_GAS -#endif #ifndef SWBEG_ASM_OP #define SWBEG_ASM_OP "\t.swbeg\t" #endif -/* Here are four prefixes that are used by asm_fprintf to +/* Here are three prefixes that are used by asm_fprintf to facilitate customization for alternate assembler syntaxes. Machines with no likelihood of an alternate syntax need not define these and need not use asm_fprintf. */ @@ -59,40 +51,22 @@ Boston, MA 02111-1307, USA. */ #undef USER_LABEL_PREFIX #define USER_LABEL_PREFIX "" -/* The prefix for immediate operands. */ - -#undef IMMEDIATE_PREFIX -#define IMMEDIATE_PREFIX "#" - -/* In the machine description we can't use %R, because it will not be seen - by ASM_FPRINTF. (Isn't that a design bug?). */ - -#undef REGISTER_PREFIX_MD -#define REGISTER_PREFIX_MD "%%" - /* config/m68k.md has an explicit reference to the program counter, prefix this by the register prefix. */ -#define ASM_RETURN_CASE_JUMP \ - do { \ - if (TARGET_5200) \ - return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \ - else \ - return "jmp %%pc@(2,%0:w)"; \ +#define ASM_RETURN_CASE_JUMP \ + do { \ + if (TARGET_COLDFIRE) \ + { \ + if (ADDRESS_REG_P (operands[0])) \ + return "jmp %%pc@(2,%0:l)"; \ + else \ + return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \ + } \ + else \ + return "jmp %%pc@(2,%0:w)"; \ } while (0) -/* How to refer to registers in assembler output. - This sequence is indexed by compiler's hard-register-number. - Motorola format uses different register names than defined - in m68k.h. */ - -#undef REGISTER_NAMES - -#define REGISTER_NAMES \ -{"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \ - "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%a6", "%sp", \ - "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7" } - /* This is how to output an assembler line that says to advance the location counter to a multiple of 2**LOG bytes. */ @@ -101,54 +75,16 @@ Boston, MA 02111-1307, USA. */ do { \ if ((LOG) > 0) \ fprintf ((FILE), "%s%u\n", ALIGN_ASM_OP, 1 << (LOG)); \ - else if ((LOG) > 31) \ - abort (); \ } while (0) -/* Use proper assembler syntax for these macros. */ -#undef ASM_OUTPUT_REG_PUSH -#define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \ - asm_fprintf (FILE, "\t%Omove.l %s,-(%Rsp)\n", reg_names[REGNO]) - -#undef ASM_OUTPUT_REG_POP -#define ASM_OUTPUT_REG_POP(FILE,REGNO) \ - asm_fprintf (FILE, "\t%Omove.l (%Rsp)+,%s\n", reg_names[REGNO]) - -/* Override the definition of NO_DOLLAR_IN_LABEL in svr4.h, for special - g++ assembler names. When this is defined, g++ uses embedded '.' - characters and some m68k assemblers have problems with this. The - chances are much greater that any particular assembler will permit - embedded '$' characters. */ - -#undef NO_DOLLAR_IN_LABEL - -/* Define PCC_STATIC_STRUCT_RETURN if the convention on the target machine - is to use the nonreentrant technique for returning structure and union - values, as commonly implemented by the AT&T Portable C Compiler (PCC). - When defined, the gcc option -fpcc-struct-return can be used to cause - this form to be generated. When undefined, the option does nothing. - For m68k SVR4, the convention is to use a reentrant technique compatible - with the gcc default, so override the definition of this macro in m68k.h */ - -#undef PCC_STATIC_STRUCT_RETURN - -/* Local common symbols are declared to the assembler with ".lcomm" rather - than ".bss", so override the definition in svr4.h */ - -#undef BSS_ASM_OP -#define BSS_ASM_OP "\t.lcomm\t" - /* Register in which address to store a structure value is passed to a function. The default in m68k.h is a1. For m68k/SVR4 it is a0. */ -#undef STRUCT_VALUE_REGNUM -#define STRUCT_VALUE_REGNUM 8 +#undef M68K_STRUCT_VALUE_REGNUM +#define M68K_STRUCT_VALUE_REGNUM 8 #define ASM_COMMENT_START "|" -#undef TYPE_OPERAND_FMT -#define TYPE_OPERAND_FMT "@%s" - /* Define how the m68k registers should be numbered for Dwarf output. The numbering provided here should be compatible with the native SVR4 SDB debugger in the m68k/SVR4 reference port, where d0-d7 @@ -157,16 +93,6 @@ do { \ #undef DBX_REGISTER_NUMBER #define DBX_REGISTER_NUMBER(REGNO) (REGNO) -/* The ASM_OUTPUT_SKIP macro is first defined in m68k.h, using ".skip". - It is then overridden by m68k/sgs.h to use ".space", and again by svr4.h - to use ".zero". The m68k/SVR4 assembler uses ".space", so repeat the - definition from m68k/sgs.h here. Note that ASM_NO_SKIP_IN_TEXT is - defined in m68k/sgs.h, so we don't have to repeat it here. */ - -#undef ASM_OUTPUT_SKIP -#define ASM_OUTPUT_SKIP(FILE,SIZE) \ - fprintf (FILE, "%s%u\n", SPACE_ASM_OP, (SIZE)) - #if 0 /* SVR4 m68k assembler is bitching on the `comm i,1,1' which askes for 1 byte alignment. Don't generate alignment for COMMON seems to be @@ -176,63 +102,17 @@ do { \ #undef ASM_OUTPUT_ALIGNED_LOCAL #endif -/* The `string' directive on m68k svr4 does not handle string with - escape char (ie., `\') right. Use normal way to output ASCII bytes - seems to be safer. */ -#undef ASM_OUTPUT_ASCII -#define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \ -do { \ - register int sp = 0, ch; \ - fprintf ((FILE), "%s", BYTE_ASM_OP); \ - do { \ - ch = (PTR)[sp]; \ - if (ch > ' ' && ! (ch & 0x80) && ch != '\\') \ - { \ - fprintf ((FILE), "'%c", ch); \ - } \ - else \ - { \ - fprintf ((FILE), "0x%x", ch); \ - } \ - if (++sp < (LEN)) \ - { \ - if ((sp % 10) == 0) \ - { \ - fprintf ((FILE), "\n%s", BYTE_ASM_OP); \ - } \ - else \ - { \ - putc (',', (FILE)); \ - } \ - } \ - } while (sp < (LEN)); \ - putc ('\n', (FILE)); \ -} while (0) - -/* SVR4 m68k assembler is bitching on the syntax `2.b'. - So use the "LLDnnn-LLnnn" format. Define LLDnnn after the table. */ - -#undef ASM_OUTPUT_CASE_END -#define ASM_OUTPUT_CASE_END(FILE,NUM,TABLE) \ -do { \ - if (switch_table_difference_label_flag) \ - asm_fprintf ((FILE), "%s%LLD%d,%LL%d\n", SET_ASM_OP, (NUM), (NUM)); \ - switch_table_difference_label_flag = 0; \ -} while (0) - -extern int switch_table_difference_label_flag; - #undef ASM_OUTPUT_COMMON #undef ASM_OUTPUT_LOCAL #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \ ( fputs (".comm ", (FILE)), \ assemble_name ((FILE), (NAME)), \ - fprintf ((FILE), ",%u\n", (SIZE))) + fprintf ((FILE), ",%u\n", (int)(SIZE))) #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ ( fputs (".lcomm ", (FILE)), \ assemble_name ((FILE), (NAME)), \ - fprintf ((FILE), ",%u\n", (SIZE))) + fprintf ((FILE), ",%u\n", (int)(SIZE))) /* Currently, JUMP_TABLES_IN_TEXT_SECTION must be defined in order to keep switch tables in the text section. */ @@ -244,34 +124,8 @@ extern int switch_table_difference_label_flag; #undef ASM_OUTPUT_BEFORE_CASE_LABEL #define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \ fprintf ((FILE), "%s&%d\n", SWBEG_ASM_OP, XVECLEN (PATTERN (TABLE), 1)); - -/* In m68k svr4, a symbol_ref rtx can be a valid PIC operand if it is an - operand of a function call. */ -#undef LEGITIMATE_PIC_OPERAND_P - -#define LEGITIMATE_PIC_OPERAND_P(X) \ - (! symbolic_operand (X, VOIDmode) \ - || (GET_CODE (X) == SYMBOL_REF && SYMBOL_REF_FLAG (X)) \ - || PCREL_GENERAL_OPERAND_OK) - -/* Turn off function cse if we are doing PIC. We always want function call - to be done as `bsr foo@PLTPC', so it will force the assembler to create - the PLT entry for `foo'. Doing function cse will cause the address of `foo' - to be loaded into a register, which is exactly what we want to avoid when - we are doing PIC on svr4 m68k. */ -#undef OVERRIDE_OPTIONS -#define OVERRIDE_OPTIONS \ -{ \ - if (flag_pic) flag_no_function_cse = 1; \ - if (! TARGET_68020 && flag_pic == 2) \ - error("-fPIC is not currently supported on the 68000 or 68010\n"); \ - if (TARGET_PCREL && flag_pic == 0) \ - flag_pic = 1; \ -} /* end of stuff from m68kv4.h */ -#undef SGS_CMP_ORDER - #undef ENDFILE_SPEC #define ENDFILE_SPEC "crtend.o%s"