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Diffstat (limited to 'm68k-unknown-amigaos/recipes/files/gcc/gcc/config/m68k/amigaos.h')
| -rw-r--r-- | m68k-unknown-amigaos/recipes/files/gcc/gcc/config/m68k/amigaos.h | 553 |
1 files changed, 0 insertions, 553 deletions
diff --git a/m68k-unknown-amigaos/recipes/files/gcc/gcc/config/m68k/amigaos.h b/m68k-unknown-amigaos/recipes/files/gcc/gcc/config/m68k/amigaos.h deleted file mode 100644 index b1e2660..0000000 --- a/m68k-unknown-amigaos/recipes/files/gcc/gcc/config/m68k/amigaos.h +++ /dev/null @@ -1,553 +0,0 @@ -/* Configuration for GNU C-compiler for m68k Amiga, running AmigaOS. - Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2003 - Free Software Foundation, Inc. - Contributed by Markus M. Wild (wild@amiga.physik.unizh.ch). - Heavily modified by Kamil Iskra (iskra@student.uci.agh.edu.pl). - -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 2, 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. - -You should have received a copy of the GNU General Public License -along with GCC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - - -/* Specs, switches. */ - -/* amiga/amigaos are the new "standard" defines for the Amiga. - MCH_AMIGA, AMIGA, __chip etc. are used in other compilers and are - provided for compatibility reasons. - When creating shared libraries, use different 'errno'. */ - -#undef TARGET_OS_CPP_BUILTINS -#define TARGET_OS_CPP_BUILTINS() \ - do \ - { \ - builtin_define ("__chip=__attribute__((__chip__))"); \ - builtin_define ("__saveds=__attribute__((__saveds__))"); \ - builtin_define ("__interrupt=__attribute__((__interrupt__))"); \ - builtin_define ("__stackext=__attribute__((__stackext__))"); \ - builtin_define ("__regargs=__attribute__((__regparm__))"); \ - builtin_define ("__stdargs=__attribute__((__stkparm__))"); \ - builtin_define ("__aligned=__attribute__((__aligned__(4)))"); \ - if (target_flags & (MASK_RESTORE_A4|MASK_ALWAYS_RESTORE_A4)) \ - builtin_define ("errno=(*ixemul_errno)"); \ - builtin_define_std ("amiga"); \ - builtin_define_std ("amigaos"); \ - builtin_define_std ("AMIGA"); \ - builtin_define_std ("MCH_AMIGA"); \ - builtin_assert ("system=amigaos"); \ - } \ - while (0) - -/* Inform the program which CPU we compile for. */ - -#undef TARGET_CPU_CPP_BUILTINS -#define TARGET_CPU_CPP_BUILTINS() \ - do \ - { \ - if (TARGET_68040_ONLY) \ - { \ - if (TARGET_68060) \ - builtin_define_std ("mc68060"); \ - else \ - builtin_define_std ("mc68040"); \ - } \ - else if (TARGET_68030 && !TARGET_68040) \ - builtin_define_std ("mc68030"); \ - else if (TARGET_68020) \ - builtin_define_std ("mc68020"); \ - builtin_define_std ("mc68000"); \ - if (flag_pic > 2) \ - { \ - builtin_define ("__pic__"); \ - if (flag_pic > 3) \ - builtin_define ("__PIC__"); \ - } \ - builtin_assert ("cpu=m68k"); \ - builtin_assert ("machine=m68k"); \ - } \ - while (0) - -/* Define __HAVE_68881__ in preprocessor according to the -m flags. - This will control the use of inline 68881 insns in certain macros. - Note: it should be set in TARGET_CPU_CPP_BUILTINS but TARGET_68881 - isn't the same -m68881 since its also true for -m680[46]0 ... - Differentiate between libnix and ixemul. */ - -#define CPP_SPEC \ - "%{m68881:-D__HAVE_68881__} " \ - "%{noixemul:%{!ansi:%{!std=*:-Dlibnix}%{std=gnu*:-Dlibnix}} -D__libnix -D__libnix__} " \ - "%{!noixemul:%{!ansi:%{!std=*:-Dixemul}%{std=gnu*:-Dixemul}} -D__ixemul -D__ixemul__}" - -/* Translate '-resident' to '-fbaserel' (they differ in linking stage only). - Don't put function addresses in registers for PC-relative code. */ - -#define CC1_SPEC \ - "%{resident:-fbaserel} " \ - "%{resident32:-fbaserel32} " \ - "%{msmall-code:-fno-function-cse}" - -/* Various -m flags require special flags to the assembler. */ - -#define ASM_SPEC \ - "%(asm_cpu) %(asm_cpu_default) %{msmall-code:-sc}" - -#define ASM_CPU_SPEC \ - "%{m68000|mc68000:-m68010} " \ - "%{m6802*|mc68020:-m68020} " \ - "%{m68030} " \ - "%{m68040} " \ - "%{m68060}" - -#define ASM_CPU_DEFAULT_SPEC \ - "%{!m680*:%{!mc680*:-m68010}}" - -/* If debugging, tell the linker to output amiga-hunk symbols *and* a BSD - compatible debug hunk. - Also, pass appropriate linker flavours depending on user-supplied - commandline options. */ - -#define LINK_SPEC \ - "%{noixemul:-fl libnix} " \ - "%{resident*:-amiga-datadata-reloc} " \ - "%{resident|fbaserel:-m amiga_bss -fl libb} " \ - "%{resident32|fbaserel32:-m amiga_bss -fl libb32} " \ - "%{g:-amiga-debug-hunk} " \ - "%(link_cpu)" - -#define LINK_CPU_SPEC \ - "%{m6802*|mc68020|m68030|m68040|m68060:-fl libm020} " \ - "%{m68881:-fl libm881}" - -/* Choose the right startup file, depending on whether we use base relative - code, base relative code with automatic relocation (-resident), their - 32-bit versions, libnix, profiling or plain crt0.o. */ - -#define STARTFILE_SPEC \ - "%{!noixemul:" \ - "%{fbaserel:%{!resident:bcrt0.o%s}}" \ - "%{resident:rcrt0.o%s}" \ - "%{fbaserel32:%{!resident32:lcrt0.o%s}}" \ - "%{resident32:scrt0.o%s}" \ - "%{!resident:%{!fbaserel:%{!resident32:%{!fbaserel32:" \ - "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}}}}}" \ - "%{noixemul:" \ - "%{resident:libnix/nrcrt0.o%s} " \ - "%{!resident:%{fbaserel:libnix/nbcrt0.o%s}%{!fbaserel:libnix/ncrt0.o%s}}}" - -#define ENDFILE_SPEC \ - "%{noixemul:-lstubs}" - -/* Automatically search libamiga.a for AmigaOS specific functions. Note - that we first search the standard C library to resolve as much as - possible from there, since it has names that are duplicated in libamiga.a - which we *don't* want from there. Then search libamiga.a for any calls - that were not generated inline, and finally search the standard C library - again to resolve any references that libamiga.a might have generated. - This may only be a temporary solution since it might be better to simply - remove the things from libamiga.a that should be pulled in from libc.a - instead, which would eliminate the first reference to libc.a. Note that - if we don't search it automatically, it is very easy for the user to try - to put in a -lamiga himself and get it in the wrong place, so that (for - example) calls like sprintf come from -lamiga rather than -lc. */ - -#define LIB_SPEC \ - "%{!noixemul:" \ - "%{p|pg:-lc_p}" \ - "%{!p:%{!pg:-lc -lamiga -lc}}}" \ - "%{noixemul:" \ - "-lnixmain -lnix -lamiga %{mstackcheck|mstackextend:-lstack}}" - -/* This macro defines names of additional specifications to put in the specs - that can be used in various specifications like CC1_SPEC. Its definition - is an initializer with a subgrouping for each command option. - - Each subgrouping contains a string constant, that defines the - specification name, and a string constant that used by the GCC driver - program. - - Do not define this macro if it does not need to do anything. */ - -#define EXTRA_SPECS \ - { "asm_cpu", ASM_CPU_SPEC }, \ - { "asm_cpu_default", ASM_CPU_DEFAULT_SPEC }, \ - { "link_cpu", LINK_CPU_SPEC } - -/* Compile with stack extension. */ - -#define MASK_STACKEXTEND 0x40000000 /* 1 << 30 */ -#define TARGET_STACKEXTEND (((target_flags & MASK_STACKEXTEND) \ - && !lookup_attribute ("interrupt", \ - TYPE_ATTRIBUTES (TREE_TYPE (current_function_decl)))) \ - || lookup_attribute ("stackext", \ - TYPE_ATTRIBUTES (TREE_TYPE (current_function_decl)))) - -/* Compile with stack checking. */ - -#define MASK_STACKCHECK 0x20000000 /* 1 << 29 */ -#define TARGET_STACKCHECK ((target_flags & MASK_STACKCHECK) \ - && !(target_flags & MASK_STACKEXTEND) \ - && !lookup_attribute ("interrupt", \ - TYPE_ATTRIBUTES (TREE_TYPE (current_function_decl))) \ - && !lookup_attribute ("stackext", \ - TYPE_ATTRIBUTES (TREE_TYPE (current_function_decl)))) - -/* Compile with a4 restoring in public functions. */ - -#define MASK_RESTORE_A4 0x10000000 /* 1 << 28 */ -#define TARGET_RESTORE_A4 \ - ((target_flags & MASK_RESTORE_A4) && TREE_PUBLIC (current_function_decl)) - -/* Compile with a4 restoring in all functions. */ - -#define MASK_ALWAYS_RESTORE_A4 0x8000000 /* 1 << 27 */ -#define TARGET_ALWAYS_RESTORE_A4 (target_flags & MASK_ALWAYS_RESTORE_A4) - -/* Provide a dummy entry for the '-msmall-code' switch. This is used by - the assembler and '*_SPEC'. */ - -#undef SUBTARGET_SWITCHES -#define SUBTARGET_SWITCHES \ - { "small-code", 0, \ - "" /* Undocumented. */ }, \ - { "stackcheck", MASK_STACKCHECK, \ - N_("Generate stack-check code") }, \ - { "no-stackcheck", - MASK_STACKCHECK, \ - N_("Do not generate stack-check code") }, \ - { "stackextend", MASK_STACKEXTEND, \ - N_("Generate stack-extension code") }, \ - { "no-stackextend", - MASK_STACKEXTEND, \ - N_("Do not generate stack-extension code") }, \ - { "fixedstack", - (MASK_STACKCHECK|MASK_STACKEXTEND), \ - N_("Do not generate stack-check/stack-extension code") }, \ - { "restore-a4", MASK_RESTORE_A4, \ - N_("Restore a4 in public functions") }, \ - { "no-restore-a4", - MASK_RESTORE_A4, \ - N_("Do not restore a4 in public functions") }, \ - { "always-restore-a4", MASK_ALWAYS_RESTORE_A4, \ - N_("Restore a4 in all functions") }, \ - { "no-always-restore-a4", - MASK_ALWAYS_RESTORE_A4, \ - N_("Do not restore a4 in all functions") }, - -#undef SUBTARGET_OVERRIDE_OPTIONS -#define SUBTARGET_OVERRIDE_OPTIONS \ -do \ - { \ - if (!TARGET_68020 && flag_pic==4) \ - error ("-fbaserel32 is not supported on the 68000 or 68010\n"); \ - } \ -while (0) - -/* Various ABI issues. */ - -/* This is (almost;-) BSD, so it wants DBX format. */ - -#define DBX_DEBUGGING_INFO - -/* GDB goes mad if it sees the function end marker. */ - -#define NO_DBX_FUNCTION_END 1 - -/* Allow folding division by zero. */ - -#define REAL_INFINITY - -/* Don't try using XFmode since we don't have appropriate runtime software - support. */ -#undef LONG_DOUBLE_TYPE_SIZE -#define LONG_DOUBLE_TYPE_SIZE 64 - -/* Use A5 as framepointer instead of A6, since the AmigaOS ABI requires A6 - to be used as a shared library base pointer in direct library calls. */ - -#undef FRAME_POINTER_REGNUM -#define FRAME_POINTER_REGNUM 13 - -/* We use A4 for the PIC pointer, not A5, which is the framepointer. */ - -#undef PIC_OFFSET_TABLE_REGNUM -#define PIC_OFFSET_TABLE_REGNUM (flag_pic ? 12 : INVALID_REGNUM) - -/* The AmigaOS ABI does not define how structures should be returned, so, - contrary to 'm68k.h', we prefer a multithread-safe solution. */ - -#undef PCC_STATIC_STRUCT_RETURN - -/* Setup a default shell return value for those (gazillion..) programs that - (inspite of ANSI-C) declare main() to be void (or even VOID...) and thus - cause the shell to randomly caugh upon executing such programs (contrary - to Unix, AmigaOS scripts are terminated with an error if a program returns - with an error code above the `error' or even `failure' level - (which is configurable with the FAILAT command)). */ - -#define DEFAULT_MAIN_RETURN c_expand_return (integer_zero_node) - -#undef WCHAR_TYPE -#define WCHAR_TYPE "unsigned int" - -/* XXX: section support */ -#if 0 -/* Support sections in chip memory, currently '.datachip' only. */ -#undef TARGET_ASM_NAMED_SECTION -#define TARGET_ASM_NAMED_SECTION amiga_named_section - -/* We define TARGET_ASM_NAMED_SECTION, but we don't support arbitrary sections, - including '.gcc_except_table', so we emulate the standard behaviour. */ -#undef TARGET_ASM_EXCEPTION_SECTION -#define TARGET_ASM_EXCEPTION_SECTION amiga_exception_section - -#undef TARGET_ASM_EH_FRAME_SECTION -#define TARGET_ASM_EH_FRAME_SECTION amiga_eh_frame_section -#endif - -/* Use sjlj exceptions until problems with DWARF2 unwind info on a.out - targets using GNU ld are fixed. */ -/* -#define DWARF2_UNWIND_INFO 0 -*/ -#define NO_DWARF2_UNWIND_INFO - -/* GAS supports alignment up to 32768 bytes. */ -#undef ASM_OUTPUT_ALIGN -#define ASM_OUTPUT_ALIGN(FILE, LOG) \ -do \ - { \ - if ((LOG) == 1) \ - fprintf ((FILE), "\t.even\n"); \ - else \ - fprintf ((FILE), "\t.align %d\n", (LOG)); \ - } \ -while (0) - -#define MAX_OFILE_ALIGNMENT ((1 << 15)*BITS_PER_UNIT) - -/* Call __flush_cache() after building the trampoline: it will call - an appropriate OS cache-clearing routine. */ - -#undef FINALIZE_TRAMPOLINE -#define FINALIZE_TRAMPOLINE(TRAMP) \ - emit_library_call (gen_rtx_SYMBOL_REF (Pmode, "__flush_cache"), \ - 0, VOIDmode, 2, (TRAMP), Pmode, \ - GEN_INT (TRAMPOLINE_SIZE), SImode) - -/* Baserel support. */ - -/* Given that symbolic_operand(X), return TRUE if no special - base relative relocation is necessary */ - -#define LEGITIMATE_BASEREL_OPERAND_P(X) \ - (flag_pic >= 3 && read_only_operand (X)) - -#undef LEGITIMATE_PIC_OPERAND_P -#define LEGITIMATE_PIC_OPERAND_P(X) \ - (! symbolic_operand (X, VOIDmode) || LEGITIMATE_BASEREL_OPERAND_P (X)) - -/* Define this macro if references to a symbol must be treated - differently depending on something about the variable or - function named by the symbol (such as what section it is in). - - The macro definition, if any, is executed immediately after the - rtl for DECL or other node is created. - The value of the rtl will be a `mem' whose address is a - `symbol_ref'. - - The usual thing for this macro to do is to a flag in the - `symbol_ref' (such as `SYMBOL_REF_FLAG') or to store a modified - name string in the `symbol_ref' (if one bit is not enough - information). - - On the Amiga we use this to indicate if references to a symbol should be - absolute or base relative. */ - -#undef TARGET_ENCODE_SECTION_INFO -#define TARGET_ENCODE_SECTION_INFO amigaos_encode_section_info - -#define LIBCALL_ENCODE_SECTION_INFO(FUN) \ -do \ - { \ - if (flag_pic >= 3) \ - SYMBOL_REF_FLAG (FUN) = 1; \ - } \ -while (0) - -/* Select and switch to a section for EXP. */ - -#undef TARGET_ASM_SELECT_SECTION -#define TARGET_ASM_SELECT_SECTION amigaos_select_section - -/* Preserve A4 for baserel code if necessary. */ - -#define EXTRA_SAVE_REG(REGNO) \ -do { \ - if (flag_pic && flag_pic >= 3 && REGNO == PIC_OFFSET_TABLE_REGNUM \ - && amigaos_restore_a4()) \ - return true; \ -} while (0) - -/* Predicate for ALTERNATE_PIC_SETUP. */ - -#define HAVE_ALTERNATE_PIC_SETUP (flag_pic >= 3) - -/* Make a4 point at data hunk. */ - -#define ALTERNATE_PIC_SETUP(STREAM) \ - (amigaos_alternate_pic_setup (STREAM)) - -/* Attribute support. */ - -/* Generate the test of d0 before return to set cc register in 'interrupt' - function. */ - -#define EPILOGUE_END_HOOK(STREAM) \ -do \ - { \ - if (lookup_attribute ("interrupt", \ - TYPE_ATTRIBUTES (TREE_TYPE (current_function_decl)))) \ - asm_fprintf ((STREAM), "\ttstl %Rd0\n"); \ - } \ -while (0) - -/* begin-GG-local: explicit register specification for parameters */ - -/* Note: this is an extension of m68k_args */ -struct amigaos_args -{ - int num_of_regs; - long regs_already_used; - int last_arg_reg; - int last_arg_len; - void *formal_type; /* New field: formal type of the current argument. */ -}; - -/* A C type for declaring a variable that is used as the first - argument of `FUNCTION_ARG' and other related values. */ - -#undef CUMULATIVE_ARGS -#define CUMULATIVE_ARGS struct amigaos_args - -/* Initialize a variable CUM of type CUMULATIVE_ARGS - for a call to a function whose data type is FNTYPE. - For a library call, FNTYPE is 0. */ - -#undef INIT_CUMULATIVE_ARGS -#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \ - (amigaos_init_cumulative_args(&(CUM), (FNTYPE))) - -/* Update the data in CUM to advance over an argument - of mode MODE and data type TYPE. - (TYPE is null for libcalls where that information may not be available.) */ - -#undef FUNCTION_ARG_ADVANCE -#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \ - (amigaos_function_arg_advance (&(CUM))) - -/* A C expression that controls whether a function argument is passed - in a register, and which register. */ - -#undef FUNCTION_ARG -#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \ - (amigaos_function_arg (&(CUM), (MODE), (TYPE))) - -/* end-GG-local */ - -/* Stack checking and automatic extension support. */ - -#define PROLOGUE_BEGIN_HOOK(STREAM, FSIZE) \ - (amigaos_prologue_begin_hook ((STREAM), (FSIZE))) - -#define HAVE_ALTERNATE_FRAME_SETUP_F(FSIZE) TARGET_STACKEXTEND - -#define ALTERNATE_FRAME_SETUP_F(STREAM, FSIZE) \ - (amigaos_alternate_frame_setup_f ((STREAM), (FSIZE))) - -#define HAVE_ALTERNATE_FRAME_SETUP(FSIZE) TARGET_STACKEXTEND - -#define ALTERNATE_FRAME_SETUP(STREAM, FSIZE) \ - (amigaos_alternate_frame_setup ((STREAM), (FSIZE))) - -#define HAVE_ALTERNATE_FRAME_DESTR_F(FSIZE) \ - (TARGET_STACKEXTEND && current_function_calls_alloca) - -#define ALTERNATE_FRAME_DESTR_F(STREAM, FSIZE) \ - (asm_fprintf ((STREAM), "\tjra %U__unlk_a5_rts\n")) - -#define HAVE_ALTERNATE_RETURN \ - (TARGET_STACKEXTEND && frame_pointer_needed && \ - current_function_calls_alloca) - -#define ALTERNATE_RETURN(STREAM) - -#define HAVE_restore_stack_nonlocal TARGET_STACKEXTEND -#define gen_restore_stack_nonlocal gen_stack_cleanup_call - -#define HAVE_restore_stack_function TARGET_STACKEXTEND -#define gen_restore_stack_function gen_stack_cleanup_call - -#define HAVE_restore_stack_block TARGET_STACKEXTEND -#define gen_restore_stack_block gen_stack_cleanup_call - -#undef TARGET_ALTERNATE_ALLOCATE_STACK -#define TARGET_ALTERNATE_ALLOCATE_STACK 1 - -#define ALTERNATE_ALLOCATE_STACK(OPERANDS) \ -do \ - { \ - amigaos_alternate_allocate_stack (OPERANDS); \ - DONE; \ - } \ -while (0) - -/* begin-GG-local: dynamic libraries */ - -extern int amigaos_do_collecting (void); -extern void amigaos_gccopts_hook (const char *); -extern void amigaos_libname_hook (const char* arg); -extern void amigaos_collect2_cleanup (void); -extern void amigaos_prelink_hook (const char **, int *); -extern void amigaos_postlink_hook (const char *); - -/* This macro is used to check if all collect2 facilities should be used. - We need a few special ones, like stripping after linking. */ - -#define DO_COLLECTING (do_collecting || amigaos_do_collecting()) - -/* This macro is called in collect2 for every GCC argument name. - ARG is a part of commandline (without '\0' at the end). */ - -#define COLLECT2_GCC_OPTIONS_HOOK(ARG) amigaos_gccopts_hook(ARG) - -/* This macro is called in collect2 for every ld's "-l" or "*.o" or "*.a" - argument. ARG is a complete argument, with '\0' at the end. */ - -#define COLLECT2_LIBNAME_HOOK(ARG) amigaos_libname_hook(ARG) - -/* This macro is called at collect2 exit, to clean everything up. */ - -#define COLLECT2_EXTRA_CLEANUP amigaos_collect2_cleanup - -/* This macro is called just before the first linker invocation. - LD1_ARGV is "char** argv", which will be passed to "ld". STRIP is an - *address* of "strip_flag" variable. */ - -#define COLLECT2_PRELINK_HOOK(LD1_ARGV, STRIP) \ -amigaos_prelink_hook((const char **)(LD1_ARGV), (STRIP)) - -/* This macro is called just after the first linker invocation, in place of - "nm" and "ldd". OUTPUT_FILE is the executable's filename. */ - -#define COLLECT2_POSTLINK_HOOK(OUTPUT_FILE) amigaos_postlink_hook(OUTPUT_FILE) -/* end-GG-local */ - -/* Don't use any specific register allocation order. */ -#undef REG_ALLOC_ORDER |