210 lines
6.8 KiB
C
210 lines
6.8 KiB
C
/* NETBSD_NATIVE is defined when gcc is integrated into the NetBSD
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source tree so it can be configured appropriately without using
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the GNU configure/build mechanism. */
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#ifdef NETBSD_NATIVE
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/* Look for the include files in the system-defined places. */
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#undef GPLUSPLUS_INCLUDE_DIR
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#define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++"
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#undef GCC_INCLUDE_DIR
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#define GCC_INCLUDE_DIR "/usr/include"
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#undef INCLUDE_DEFAULTS
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#define INCLUDE_DEFAULTS \
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{ \
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{ GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 }, \
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{ GCC_INCLUDE_DIR, "GCC", 0, 0 }, \
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{ 0, 0, 0, 0 } \
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}
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/* Under NetBSD, the normal location of the compiler back ends is the
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/usr/libexec directory. */
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#undef STANDARD_EXEC_PREFIX
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#define STANDARD_EXEC_PREFIX "/usr/libexec/"
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/* Under NetBSD, the normal location of the various *crt*.o files is the
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/usr/lib directory. */
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#undef STANDARD_STARTFILE_PREFIX
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#define STANDARD_STARTFILE_PREFIX "/usr/lib/"
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#endif
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/* Provide a CPP_SPEC appropriate for NetBSD. Current we just deal with
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the GCC option `-posix'. */
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#undef CPP_SPEC
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#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
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/* Provide an ASM_SPEC appropriate for NetBSD. Currently we only deal
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with the options for generating PIC code. */
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#undef ASM_SPEC
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#define ASM_SPEC " %| %{fpic:-k} %{fPIC:-k -K}"
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/* Provide a LIB_SPEC appropriate for NetBSD. Just select the appropriate
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libc, depending on whether we're doing profiling. */
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#undef LIB_SPEC
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#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
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/* Provide a LINK_SPEC appropriate for NetBSD. Here we provide support
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for the special GCC options -static, -assert, and -nostdlib. */
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#undef LINK_SPEC
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#define LINK_SPEC \
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"%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{R*} %{static:-Bstatic} %{assert*}"
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/* This defines which switch letters take arguments. */
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#undef SWITCH_TAKES_ARG
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#define SWITCH_TAKES_ARG(CHAR) \
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(DEFAULT_SWITCH_TAKES_ARG(CHAR) \
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|| (CHAR) == 'R')
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/* We have atexit(3). */
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#define HAVE_ATEXIT
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/* Implicit library calls should use memcpy, not bcopy, etc. */
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#define TARGET_MEM_FUNCTIONS
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/* Handle #pragma weak and #pragma pack. */
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#define HANDLE_SYSV_PRAGMA
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/*
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* Some imports from svr4.h in support of shared libraries.
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* Currently, we need the DECLARE_OBJECT_SIZE stuff.
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*/
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/* Define the strings used for the .type, .size, and .set directives.
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These strings generally do not vary from one system running netbsd
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to another, but if a given system needs to use different pseudo-op
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names for these, they may be overridden in the file which includes
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this one. */
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#undef TYPE_ASM_OP
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#undef SIZE_ASM_OP
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#undef SET_ASM_OP
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#define TYPE_ASM_OP ".type"
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#define SIZE_ASM_OP ".size"
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#define SET_ASM_OP ".set"
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/* This is how we tell the assembler that a symbol is weak. */
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#undef ASM_WEAKEN_LABEL
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#define ASM_WEAKEN_LABEL(FILE,NAME) \
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do { fputs ("\t.globl\t", FILE); assemble_name (FILE, NAME); \
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fputc ('\n', FILE); \
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fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
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fputc ('\n', FILE); } while (0)
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/* The following macro defines the format used to output the second
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operand of the .type assembler directive. Different svr4 assemblers
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expect various different forms for this operand. The one given here
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is just a default. You may need to override it in your machine-
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specific tm.h file (depending upon the particulars of your assembler). */
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#undef TYPE_OPERAND_FMT
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#define TYPE_OPERAND_FMT "@%s"
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/* Write the extra assembler code needed to declare a function's result.
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Most svr4 assemblers don't require any special declaration of the
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result value, but there are exceptions. */
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#ifndef ASM_DECLARE_RESULT
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#define ASM_DECLARE_RESULT(FILE, RESULT)
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#endif
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/* These macros generate the special .type and .size directives which
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are used to set the corresponding fields of the linker symbol table
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entries in an ELF object file under SVR4. These macros also output
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the starting labels for the relevant functions/objects. */
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/* Write the extra assembler code needed to declare a function properly.
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Some svr4 assemblers need to also have something extra said about the
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function's return value. We allow for that here. */
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#undef ASM_DECLARE_FUNCTION_NAME
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#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
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do { \
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fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
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assemble_name (FILE, NAME); \
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putc (',', FILE); \
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fprintf (FILE, TYPE_OPERAND_FMT, "function"); \
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putc ('\n', FILE); \
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ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
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ASM_OUTPUT_LABEL(FILE, NAME); \
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} while (0)
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/* Write the extra assembler code needed to declare an object properly. */
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#undef ASM_DECLARE_OBJECT_NAME
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#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
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do { \
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fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
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assemble_name (FILE, NAME); \
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putc (',', FILE); \
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fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
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putc ('\n', FILE); \
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size_directive_output = 0; \
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if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \
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{ \
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size_directive_output = 1; \
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fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
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assemble_name (FILE, NAME); \
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fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \
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} \
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ASM_OUTPUT_LABEL(FILE, NAME); \
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} while (0)
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/* Output the size directive for a decl in rest_of_decl_compilation
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in the case where we did not do so before the initializer.
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Once we find the error_mark_node, we know that the value of
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size_directive_output was set
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by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */
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#undef ASM_FINISH_DECLARE_OBJECT
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#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \
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do { \
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char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \
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if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \
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&& ! AT_END && TOP_LEVEL \
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&& DECL_INITIAL (DECL) == error_mark_node \
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&& !size_directive_output) \
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{ \
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size_directive_output = 1; \
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fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
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assemble_name (FILE, name); \
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fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \
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} \
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} while (0)
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/* This is how to declare the size of a function. */
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#undef ASM_DECLARE_FUNCTION_SIZE
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#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
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do { \
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if (!flag_inhibit_size_directive) \
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{ \
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char label[256]; \
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static int labelno; \
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labelno++; \
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ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno); \
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ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno); \
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fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
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assemble_name (FILE, (FNAME)); \
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fprintf (FILE, ","); \
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assemble_name (FILE, label); \
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fprintf (FILE, "-"); \
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assemble_name (FILE, (FNAME)); \
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putc ('\n', FILE); \
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} \
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} while (0)
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