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Diffstat (limited to 'gcc/config/netbsd.h')
| -rw-r--r-- | gcc/config/netbsd.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/gcc/config/netbsd.h b/gcc/config/netbsd.h new file mode 100644 index 00000000000..caa13fe88ed --- /dev/null +++ b/gcc/config/netbsd.h @@ -0,0 +1,176 @@ +/* Look for the include files in the system-defined places. */ + +#undef GPLUSPLUS_INCLUDE_DIR +#define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++" + +#undef GCC_INCLUDE_DIR +#define GCC_INCLUDE_DIR "/usr/include" + +#undef INCLUDE_DEFAULTS +#define INCLUDE_DEFAULTS \ + { \ + { GPLUSPLUS_INCLUDE_DIR, 1, 1 }, \ + { GCC_INCLUDE_DIR, 0, 0 }, \ + { 0, 0, 0 } \ + } + + +/* Under NetBSD, the normal location of the `ld' and `as' programs is the + /usr/bin directory. */ + +#undef MD_EXEC_PREFIX +#define MD_EXEC_PREFIX "/usr/bin/" + +/* Under NetBSD, the normal location of the various *crt*.o files is the + /usr/lib directory. */ + +#undef MD_STARTFILE_PREFIX +#define MD_STARTFILE_PREFIX "/usr/lib/" + + +/* Provide a CPP_SPEC appropriate for NetBSD. Current 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. */ + +#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. */ + +#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 -static, -assert, and -nostdlib. */ + +#undef LINK_SPEC +#define LINK_SPEC \ + "%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} %{assert*}" + + +/* We have atexit(3). */ + +#define HAVE_ATEXIT + +/* Implicit library calls should use memcpy, not bcopy, etc. */ + +#define TARGET_MEM_FUNCTIONS + +/* + * Some imports from svr4.h in support of shared libraries. + * Currently, we need the DECLARE_OBJECT_SIZE stuff. + */ + +/* Define the strings used for the special svr4 .type and .size directives. + These strings generally do not vary from one system running svr4 to + another, but if a given system (e.g. m88k running svr) needs to use + different pseudo-op names for these, they may be overridden in the + file which includes this one. */ + +#define TYPE_ASM_OP ".type" +#define SIZE_ASM_OP ".size" +#define WEAK_ASM_OP ".weak" + +/* 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). */ + +#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. */ + +#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ + do { \ + fprintf (FILE, "\t%s\t ", 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. */ + +#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \ + do { \ + fprintf (FILE, "\t%s\t ", 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, "\t%s\t ", 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. */ + +#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \ +do { \ + 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, "\t%s\t ", 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. */ + +#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, "\t%s\t ", SIZE_ASM_OP); \ + assemble_name (FILE, (FNAME)); \ + fprintf (FILE, ","); \ + assemble_name (FILE, label); \ + fprintf (FILE, "-"); \ + assemble_name (FILE, (FNAME)); \ + putc ('\n', FILE); \ + } \ + } while (0) |