diff options
Diffstat (limited to 'gcc/config/netbsd.h')
| -rw-r--r-- | gcc/config/netbsd.h | 194 |
1 files changed, 42 insertions, 152 deletions
diff --git a/gcc/config/netbsd.h b/gcc/config/netbsd.h index a7b10b3..5894174 100644 --- a/gcc/config/netbsd.h +++ b/gcc/config/netbsd.h @@ -32,33 +32,51 @@ #undef STANDARD_STARTFILE_PREFIX #define STANDARD_STARTFILE_PREFIX "/usr/lib/" -#endif +#endif /* NETBSD_NATIVE */ -/* Provide a CPP_SPEC appropriate for NetBSD. Current we just deal with +/* Provide a CPP_SPEC appropriate for NetBSD. Currently we just deal with the GCC option `-posix'. */ #undef CPP_SPEC -#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}" - -/* Provide an ASM_SPEC appropriate for NetBSD. Currently we only deal - with the options for generating PIC code. */ +#define CPP_SPEC "%(cpp_cpu) %{posix:-D_POSIX_SOURCE}" -#undef ASM_SPEC -#define ASM_SPEC " %| %{fpic:-k} %{fPIC:-k -K}" /* Provide a LIB_SPEC appropriate for NetBSD. Just select the appropriate - libc, depending on whether we're doing profiling. */ + libc, depending on whether we're doing profiling; if `-posix' is specified, + link against the appropriate libposix first. Don't include libc when + linking a shared library. */ #undef LIB_SPEC -#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}" - -/* Provide a LINK_SPEC appropriate for NetBSD. Here we provide support - for the special GCC options -shared, -static, -assert, and -nostdlib. */ - -#undef LINK_SPEC -#define LINK_SPEC \ - "%{!shared:%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{R*} %{static:-Bstatic}} %{shared} %{assert*}" +#define LIB_SPEC \ + "%{posix: \ + %{!p: \ + %{!pg:-lposix}} \ + %{p:-lposix_p} \ + %{pg:-lposix_p}} \ + %{!shared: \ + %{!symbolic: \ + %{!p: \ + %{!pg:-lc}} \ + %{p:-lc_p} \ + %{pg:-lc_p}}}" + +/* Provide a LIBGCC_SPEC appropriate for NetBSD. We also want to exclude + libgcc with -symbolic. */ + +#undef LIBGCC_SPEC +#ifdef NETBSD_NATIVE +#define LIBGCC_SPEC \ + "%{!symbolic: \ + %{!shared: \ + %{!p: \ + %{!pg:-lgcc}}} \ + %{shared:-lgcc_pic} \ + %{p:-lgcc_p} \ + %{pg:-lgcc_p}}" +#else +#define LIBGCC_SPEC "%{!shared:%{!symbolic:-lgcc}}" +#endif /* When building shared libraries, the initialization and finalization functions for the library are .init and .fini respectively. */ @@ -75,11 +93,13 @@ fprintf ((STREAM), "void __fini() {\n\t%s();\n}\n", (FUNC)); \ } while (0) -/* This defines which switch letters take arguments. */ -#undef SWITCH_TAKES_ARG -#define SWITCH_TAKES_ARG(CHAR) \ - (DEFAULT_SWITCH_TAKES_ARG(CHAR) \ - || (CHAR) == 'R') +/* Allow #sccs in preprocessor. */ + +#undef SCCS_DIRECTIVE +#define SCCS_DIRECTIVE + +#undef TARGET_HAS_F_SETLKW +#define TARGET_HAS_F_SETLKW /* Implicit library calls should use memcpy, not bcopy, etc. */ @@ -89,133 +109,3 @@ /* Handle #pragma weak and #pragma pack. */ #define HANDLE_SYSV_PRAGMA - -/* - * Some imports from svr4.h in support of shared libraries. - * Currently, we need the DECLARE_OBJECT_SIZE stuff. - */ - -/* Define the strings used for the .type, .size, and .set directives. - These strings generally do not vary from one system running netbsd - to another, but if a given system needs to use different pseudo-op - names for these, they may be overridden in the file which includes - this one. */ - -#undef TYPE_ASM_OP -#undef SIZE_ASM_OP -#undef SET_ASM_OP -#define TYPE_ASM_OP "\t.type\t" -#define SIZE_ASM_OP "\t.size\t" -#define SET_ASM_OP "\t.set\t" - -/* This is how we tell the assembler that a symbol is weak. */ - -#undef ASM_WEAKEN_LABEL -#define ASM_WEAKEN_LABEL(FILE,NAME) \ - do { fputs ("\t.globl\t", FILE); assemble_name (FILE, NAME); \ - fputc ('\n', FILE); \ - fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \ - fputc ('\n', FILE); } while (0) - -/* The following macro defines the format used to output the second - operand of the .type assembler directive. Different svr4 assemblers - expect various different forms for this operand. The one given here - is just a default. You may need to override it in your machine- - specific tm.h file (depending upon the particulars of your assembler). */ - -#undef TYPE_OPERAND_FMT -#define TYPE_OPERAND_FMT "@%s" - -/* 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. */ - -#ifndef ASM_DECLARE_RESULT -#define ASM_DECLARE_RESULT(FILE, RESULT) -#endif - -/* 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. */ - -#undef ASM_DECLARE_FUNCTION_NAME -#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ - do { \ - 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)); \ - ASM_OUTPUT_LABEL(FILE, NAME); \ - } while (0) - -/* Write the extra assembler code needed to declare an object properly. */ - -#undef ASM_DECLARE_OBJECT_NAME -#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \ - do { \ - fprintf (FILE, "%s", TYPE_ASM_OP); \ - assemble_name (FILE, NAME); \ - putc (',', FILE); \ - fprintf (FILE, TYPE_OPERAND_FMT, "object"); \ - putc ('\n', FILE); \ - size_directive_output = 0; \ - if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \ - { \ - size_directive_output = 1; \ - fprintf (FILE, "%s", SIZE_ASM_OP); \ - assemble_name (FILE, NAME); \ - fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \ - } \ - ASM_OUTPUT_LABEL(FILE, NAME); \ - } while (0) - -/* Output the size directive for a decl in rest_of_decl_compilation - in the case where we did not do so before the initializer. - Once we find the error_mark_node, we know that the value of - size_directive_output was set - by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */ - -#undef ASM_FINISH_DECLARE_OBJECT -#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \ -do { \ - const char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \ - if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \ - && ! AT_END && TOP_LEVEL \ - && DECL_INITIAL (DECL) == error_mark_node \ - && !size_directive_output) \ - { \ - size_directive_output = 1; \ - fprintf (FILE, "%s", SIZE_ASM_OP); \ - assemble_name (FILE, name); \ - fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \ - } \ - } while (0) - -/* This is how to declare the size of a function. */ - -#undef ASM_DECLARE_FUNCTION_SIZE -#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \ - do { \ - if (!flag_inhibit_size_directive) \ - { \ - char label[256]; \ - static int labelno; \ - labelno++; \ - ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno); \ - ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno); \ - fprintf (FILE, "%s", SIZE_ASM_OP); \ - assemble_name (FILE, (FNAME)); \ - fprintf (FILE, ","); \ - assemble_name (FILE, label); \ - fprintf (FILE, "-"); \ - assemble_name (FILE, (FNAME)); \ - putc ('\n', FILE); \ - } \ - } while (0) |