--- config/i386/freebsd.h.orig Sun Oct 19 09:31:05 1997 +++ config/i386/freebsd.h Tue Aug 11 14:28:56 1998 @@ -35,10 +35,21 @@ #include "i386/perform.h" #undef CPP_PREDEFINES -#define CPP_PREDEFINES "-Dunix -Di386 -D__FreeBSD__ -D__386BSD__ -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)" +#define CPP_PREDEFINES "-Dunix -Di386 -D__FreeBSD__=2 -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)" + +/* FreeBSD using a.out does not support DWARF2 unwinding mechanisms. + Thus, need the equivalent of "-fsjlj-exceptions" (use setjmp/longjmp + for exceptions). */ +#define DWARF2_UNWIND_INFO 0 + +/* Provide a CPP_SPEC appropriate for OpenBSD. Current we just deal with + the GCC option `-posix'. */ + +#undef CPP_SPEC +#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}" /* Like the default, except no -lg. */ -#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}" +#define LIB_SPEC "%{!shared:%{!pg:-lc}%{pg:-lc_p}}" #undef SIZE_TYPE #define SIZE_TYPE "unsigned int" @@ -54,8 +65,13 @@ #undef WCHAR_TYPE_SIZE #define WCHAR_TYPE_SIZE 16 +/* We have atexit(3). */ #define HAVE_ATEXIT +/* We want gcc.c to call mktemp() for each file it generates. We would + prefer mkstemp(), but we will take what we get. XXX busted */ +/* #undef MKTEMP_EACH_FILE */ + #undef ASM_APP_ON #define ASM_APP_ON "#APP\n" @@ -114,6 +130,7 @@ #define TYPE_ASM_OP ".type" #define SIZE_ASM_OP ".size" +#define SET_ASM_OP ".set" /* The following macro defines the format used to output the second operand of the .type assembler directive. Different svr4 assemblers @@ -123,6 +140,16 @@ #define TYPE_OPERAND_FMT "@%s" +/* Handle #pragma weak and #pragma pack. */ + +#define HANDLE_SYSV_PRAGMA 1 + +/* This is how we tell the assembler that a symbol is weak. */ + +#define ASM_WEAKEN_LABEL(FILE,NAME) \ + do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \ + fputc ('\n', FILE); } while (0) + /* Write the extra assembler code needed to declare a function's result. Most svr4 assemblers don't require any special declaration of the result value, but there are exceptions. */ @@ -131,9 +158,9 @@ #define ASM_DECLARE_RESULT(FILE, RESULT) #endif -/* These macros generate the special .type and .size directives which +/* 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 + 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. @@ -185,6 +212,7 @@ && DECL_INITIAL (DECL) == error_mark_node \ && !size_directive_output) \ { \ + size_directive_output = 1; \ fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \ assemble_name (FILE, name); \ fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL)));\ @@ -213,33 +241,57 @@ } \ } while (0) +/* XXX - should ASM_SPEC be " %| %{fpic:-k} %{fPIC:-k -K}" ??? */ #define ASM_SPEC " %| %{fpic:-k} %{fPIC:-k}" + #define LINK_SPEC \ - "%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} %{assert*}" + "%{p:%e`-p' not supported; use `-pg' and gprof(1)} \ + %{shared:-Bshareable} \ + %{!shared:%{!nostdlib:%{!r:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} \ + %{pg:-Bstatic} %{Z}} \ + %{assert*} %{R*}" + +#ifdef FROM_OPENBSD +/* This defines which switch letters take arguments. + make -R /path/to/lib work the same as -R/path/to/lib */ +#undef SWITCH_TAKES_ARG +#define SWITCH_TAKES_ARG(CHAR) \ + (DEFAULT_SWITCH_TAKES_ARG(CHAR) \ + || (CHAR) == 'R') +#endif + +#define STARTFILE_SPEC \ + "%{shared:c++rt0.o%s} \ + %{!shared:%{pg:gcrt0.o%s}%{!pg:%{static:scrt0.o%s}%{!static:crt0.o%s}}}" -/* This is defined when gcc is compiled in the BSD-directory-tree, and must - * make up for the gap to all the stuff done in the GNU-makefiles. +#define MD_STARTFILE_PREFIX "/usr/lib/aout/" + +/* FREEBSD_NATIVE is defined when gcc is compiled in the BSD-directory-tree, + * and must make up for the gap to all the stuff done in the GNU-makefiles. */ #ifdef FREEBSD_NATIVE -#define INCLUDE_DEFAULTS { \ - { "/usr/include", 0, 0, 0 }, \ - { "/usr/include/g++", "G++", 1, 1 }, \ - { 0, 0, 0, 0} \ - } +#undef GCC_INCLUDE_DIR +#define GCC_INCLUDE_DIR "/usr/include" + +#undef GPLUSPLUS_INCLUDE_DIR +#define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++" + +/* Look for the include files in the system-defined places. */ + +#undef INCLUDE_DEFAULTS +#define INCLUDE_DEFAULTS \ + { \ + { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 }, \ + { GCC_INCLUDE_DIR, 0, 0, 0 }, \ + { 0, 0, 0, 0 } \ + } #undef MD_EXEC_PREFIX #define MD_EXEC_PREFIX "/usr/libexec/" #undef STANDARD_STARTFILE_PREFIX #define STANDARD_STARTFILE_PREFIX "/usr/lib" - -#if 0 /* This is very wrong!!! */ -#define DEFAULT_TARGET_MACHINE "i386-unknown-freebsd_1.0" -#define GPLUSPLUS_INCLUDE_DIR "/usr/local/lib/gcc-lib/i386-unknown-freebsd_1.0/2.5.8/include" -#define TOOL_INCLUDE_DIR "/usr/local/i386-unknown-freebsd_1.0/include" -#define GCC_INCLUDE_DIR "/usr/local/lib/gcc-lib/i386-unknown-freebsd_1.0/2.5.8/include" -#endif #endif /* FREEBSD_NATIVE */