/* Definitions of target machine for GNU compiler. Iris version 6.
- Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
+ Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002
+ Free Software Foundation, Inc.
This file is part of GNU CC.
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-/* Irix 6 uses DWARF. */
-#define DWARF_DEBUGGING_INFO
-#define PREFERRED_DEBUGGING_TYPE DWARF_DEBUG
+/* Let mips.c know we need the Irix6 functions. */
+#define TARGET_IRIX6 1
-/* Default to -mips4. */
-#define TARGET_DEFAULT MASK_ABICALLS|MASK_FLOAT64|MASK_64BIT
-#define MIPS_ISA_DEFAULT 4
-#define MULTILIB_DEFAULTS { "EB", "mips4" }
+/* Default to -mabi=n32 and -mips3. */
+#define MIPS_ISA_DEFAULT 3
+#define MIPS_ABI_DEFAULT ABI_N32
+#define MULTILIB_DEFAULTS { "mabi=n32" }
-#include "mips/iris5gas.h"
+#ifndef TARGET_DEFAULT
+#define TARGET_DEFAULT (MASK_ABICALLS|MASK_FLOAT64|MASK_64BIT)
+#endif
+
+#include "mips/iris5.h"
#include "mips/abi64.h"
-/* The Irix 6.0.1 assembler doesn't like labels in the text section, so
- just avoid emitting them. */
-#define ASM_IDENTIFY_GCC
-#define ASM_IDENTIFY_LANGUAGE
+/* Irix6 assembler does handle DWARF2 directives. Override setting in
+ irix5.h file. */
+#undef DWARF2_UNWIND_INFO
+
+/* The Irix6 assembler will sometimes assign labels to the wrong
+ section unless the labels are within .ent/.end blocks. Therefore,
+ we avoid creating such labels. */
+#define DWARF2_GENERATE_TEXT_SECTION_LABEL 0
+
+/* wchar_t is defined differently with and without -mabi=64. */
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE (Pmode == DImode ? "int" : "long int")
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+
+/* Same for wint_t. */
+
+#undef WINT_TYPE
+#define WINT_TYPE (Pmode == DImode ? "int" : "long int")
+
+#undef WINT_TYPE_SIZE
+#define WINT_TYPE_SIZE 32
+
+/* For Irix 6, -mabi=64 implies TARGET_LONG64. */
+/* This is handled in override_options. */
+
+#undef SUBTARGET_CC1_SPEC
+#define SUBTARGET_CC1_SPEC ""
+
+/* We must pass -D_LONGLONG always, even when -ansi is used, because irix6
+ system header files require it. This is OK, because gcc never warns
+ when long long is used in system header files. Alternatively, we can
+ add support for the SGI builtin type __long_long. */
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES \
+ "-Dunix -Dmips -Dsgi -Dhost_mips -DMIPSEB -D_MIPSEB -DSYSTYPE_SVR4 \
+ -D_LONGLONG -D_SVR4_SOURCE -D_MODERN_C -D__DSO__ \
+ -Asystem=unix -Asystem=svr4 -Acpu=mips -Amachine=sgi"
+
+/* We must make -mips3 do what -mlong64 used to do. */
+/* ??? If no mipsX option given, but a mabi=X option is, then should set
+ _MIPS_ISA based on the mabi=X option. */
+/* ??? If no mabi=X option give, but a mipsX option is, then should set
+ _MIPS_SIM based on the mipsX option. */
+/* ??? Same for _MIPS_SZINT. */
+/* ??? Same for _MIPS_SZPTR. */
+#undef SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC "\
+%{!ansi:-D__EXTENSIONS__ -D_SGI_SOURCE} \
+%{mfp32: -D_MIPS_FPSET=16}%{!mfp32: -D_MIPS_FPSET=32} \
+%{mips1: -D_MIPS_ISA=_MIPS_ISA_MIPS1} \
+%{mips2: -D_MIPS_ISA=_MIPS_ISA_MIPS2} \
+%{mips3: -D_MIPS_ISA=_MIPS_ISA_MIPS3} \
+%{mips4: -D_MIPS_ISA=_MIPS_ISA_MIPS4} \
+%{!mips*: -D_MIPS_ISA=_MIPS_ISA_MIPS3} \
+%{mabi=32: -D_MIPS_SIM=_MIPS_SIM_ABI32} \
+%{mabi=n32: -D_ABIN32=2 -D_MIPS_SIM=_ABIN32} \
+%{mabi=64: -D_ABI64=3 -D_MIPS_SIM=_ABI64} \
+%{!mabi*: -D_ABIN32=2 -D_MIPS_SIM=_ABIN32} \
+%{!mint64: -D_MIPS_SZINT=32}%{mint64: -D_MIPS_SZINT=64} \
+%{mabi=32: -D_MIPS_SZLONG=32} \
+%{mabi=n32: -D_MIPS_SZLONG=32} \
+%{mabi=64: -D_MIPS_SZLONG=64} \
+%{!mabi*: -D_MIPS_SZLONG=32} \
+%{mabi=32: -D_MIPS_SZPTR=32} \
+%{mabi=n32: -D_MIPS_SZPTR=32} \
+%{mabi=64: -D_MIPS_SZPTR=64} \
+%{!mabi*: -D_MIPS_SZPTR=32} \
+%{!mips1:%{!mips2: -D_COMPILER_VERSION=601}} \
+%{!mips*: -U__mips -D__mips=3} \
+%{mabi=32: -U__mips64} \
+%{mabi=n32: -D__mips64} \
+%{mabi=64: -D__mips64} \
+%{!mabi*: -D__mips64}"
+
+/* The GNU C++ standard library requires that __EXTENSIONS__ and
+ _SGI_SOURCE be defined on at least irix6.2 and probably all irix6
+ prior to 6.5. They normally get defined in SUBTARGET_CPP_SPEC if
+ !ansi, for g++ we want them regardless. We don't need this on
+ irix6.5 itself, but it shouldn't hurt other than the namespace
+ polution. */
+#undef CPLUSPLUS_CPP_SPEC
+#define CPLUSPLUS_CPP_SPEC "\
+-D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS \
+%{ansi:-D__EXTENSIONS__ -D_SGI_SOURCE} %(cpp) \
+"
+
+/* Irix 6 uses DWARF-2. */
+#define DWARF2_DEBUGGING_INFO
+#define MIPS_DEBUGGING_INFO
+#undef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+
+/* Force the generation of dwarf .debug_frame sections even if not
+ compiling -g. This guarantees that we can unwind the stack. */
+#define DWARF2_FRAME_INFO 1
+
+/* The size in bytes of a DWARF field indicating an offset or length
+ relative to a debug info section, specified to be 4 bytes in the DWARF-2
+ specification. The SGI/MIPS ABI defines it to be the same as PTR_SIZE. */
+#define DWARF_OFFSET_SIZE PTR_SIZE
+
+/* There is no GNU as port for Irix6 yet, so we set MD_EXEC_PREFIX so that
+ gcc will automatically find SGI as instead of searching the user's path.
+ The latter can fail when building a cross compiler if the user has . in
+ the path before /usr/bin, since then gcc will find and try to use the link
+ to the cross assembler which can't possibly work. */
+
+#undef MD_EXEC_PREFIX
+#define MD_EXEC_PREFIX "/usr/bin/"
+
+/* We have no need for MD_STARTFILE_PREFIX. */
+#undef MD_STARTFILE_PREFIX
+
+#undef MACHINE_TYPE
+#define MACHINE_TYPE "SGI running IRIX 6.x"
/* Irix 5 stuff that we don't need for Irix 6. */
+/* ??? We do need this for the -mabi=32 switch though. */
#undef ASM_OUTPUT_UNDEF_FUNCTION
#undef ASM_OUTPUT_EXTERNAL_LIBCALL
#undef ASM_DECLARE_FUNCTION_SIZE
/* Stuff we need for Irix 6 that isn't in Irix 5. */
+/* The SGI assembler doesn't like labels before the .ent, so we must output
+ the .ent and function name here, which is the normal place for it. */
+
+#undef ASM_DECLARE_FUNCTION_NAME
+#define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL) \
+ do { \
+ fputs ("\t.ent\t", STREAM); \
+ assemble_name (STREAM, NAME); \
+ fputs ("\n", STREAM); \
+ assemble_name (STREAM, NAME); \
+ fputs (":\n", STREAM); \
+ } while (0)
+
+/* Likewise, the SGI assembler doesn't like labels after the .end, so we
+ must output the .end here. */
+#define ASM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL) \
+ do { \
+ fputs ("\t.end\t", STREAM); \
+ assemble_name (STREAM, NAME); \
+ fputs ("\n", STREAM); \
+ } while (0)
+
+/* Tell function_prologue in mips.c that we have already output the .ent/.end
+ pseudo-ops. */
+#define FUNCTION_NAME_ALREADY_DECLARED
+
#undef SET_ASM_OP /* Has no equivalent. See ASM_OUTPUT_DEF below. */
-/* This is how to equate one symbol to another symbol. The syntax used is
- `SYM1=SYM2'. Note that this is different from the way equates are done
- with most svr4 assemblers, where the syntax is `.set SYM1,SYM2'. */
+#if 0
+/* This is *NOT* how to equate one symbol to another symbol. The assembler
+ '=' syntax just equates a name to a constant expression.
+ See ASM_OUTPUT_WEAK_ALIAS. */
#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
do { fprintf ((FILE), "\t"); \
assemble_name (FILE, LABEL2); \
fprintf (FILE, "\n"); \
} while (0)
+#endif
+
+/* Define the strings used for the special svr4 .type and .size directives. */
+
+#define TYPE_ASM_OP "\t.type\t"
+#define SIZE_ASM_OP "\t.size\t"
+
+/* Irix assembler does not support the init_priority C++ attribute. */
+#undef SUPPORTS_INIT_PRIORITY
+#define SUPPORTS_INIT_PRIORITY 0
+
+/* A linker error can empirically be avoided by removing duplicate
+ library search directories. */
+#define LINK_ELIMINATE_DUPLICATE_LDIRECTORIES 1
+
+#define POPSECTION_ASM_OP "\t.popsection"
+
+/* ??? If no mabi=X option give, but a mipsX option is, then should depend
+ on the mipsX option. */
+/* If no mips[3,4] option given, give the appropriate default for mabi=X */
+#undef SUBTARGET_ASM_SPEC
+#define SUBTARGET_ASM_SPEC "%{!mabi*:-n32} %{!mips*: %{!mabi*:-mips3} %{mabi=n32:-mips3} %{mabi=64:-mips4}}"
-#define POPSECTION_ASM_OP ".popsection"
-
-#define DEBUG_SECTION ".debug,1,0,0,1"
-#define LINE_SECTION ".line,1,0,0,1"
-#define SFNAMES_SECTION ".debug_sfnames,1,0,0,1"
-#define SRCINFO_SECTION ".debug_srcinfo,1,0,0,1"
-#define MACINFO_SECTION ".debug_macinfo,1,0,0,1"
-#define PUBNAMES_SECTION ".debug_pubnames,1,0,0,1"
-#define ARANGES_SECTION ".debug_aranges,1,0,0,1"
-
-#undef ASM_SPEC
-#if ((TARGET_CPU_DEFAULT | TARGET_DEFAULT) & MASK_GAS) != 0
-/* GAS */
-#define ASM_SPEC "\
-%{mmips-as: \
- %{!.s:-nocpp} %{.s: %{cpp} %{nocpp}} \
- %{pipe: %e-pipe is not supported.} \
- %{K}} \
-%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} %{v} \
-%{noasmopt:-O0} \
-%{!noasmopt:%{O:-O2} %{O1:-O2} %{O2:-O2} %{O3:-O3}} \
-%{g} %{g0} %{g1} %{g2} %{g3} \
-%{ggdb:-g} %{ggdb0:-g0} %{ggdb1:-g1} %{ggdb2:-g2} %{ggdb3:-g3} \
-%{gstabs:-g} %{gstabs0:-g0} %{gstabs1:-g1} %{gstabs2:-g2} %{gstabs3:-g3} \
-%{gstabs+:-g} %{gstabs+0:-g0} %{gstabs+1:-g1} %{gstabs+2:-g2} %{gstabs+3:-g3} \
-%{gcoff:-g} %{gcoff0:-g0} %{gcoff1:-g1} %{gcoff2:-g2} %{gcoff3:-g3} \
-%{membedded-pic}"
-
-#else
-/* not GAS */
/* Must pass -g0 to the assembler, otherwise it may overwrite our
- debug info with its own debug info. */
+ debug info with its own debug info. */
/* Must pass -show instead of -v. */
/* Must pass -G 0 to the assembler, otherwise we may get warnings about
GOT overflow. */
-#define ASM_SPEC "\
-%{!mgas: \
- %{!.s:-nocpp} %{.s: %{cpp} %{nocpp}} \
- %{pipe: %e-pipe is not supported.} \
- %{K}} \
-%{G*} %{EB} %{EL} %{v:-show} \
-%{mips1} %{mips2} %{mips3} %{mips4} \
-%{!mips1: %{!mips2: %{!mips3: %{!mips4: -mips4}}}} \
-%{noasmopt:-O0} %{!noasmopt:%{O:-O2} %{O1:-O2} %{O2:-O2} %{O3:-O3}} \
--g0 -G 0 %{membedded-pic}"
+/* ??? We pass -w to disable all assembler warnings. The `label should be
+ inside .ent/.end block' warning that we get for DWARF II debug info labels
+ is particularly annoying. */
+#undef SUBTARGET_MIPS_AS_ASM_SPEC
+#define SUBTARGET_MIPS_AS_ASM_SPEC "%{v:-show} -G 0 -w"
-#endif
+#undef SUBTARGET_ASM_DEBUGGING_SPEC
+#define SUBTARGET_ASM_DEBUGGING_SPEC "-g0"
-/* Stuff for constructors. Start here. */
+/* The MIPS assembler occasionally misoptimizes. Since GCC should be
+ doing scheduling anyhow, just turn off optimization in the assembler. */
+#undef SUBTARGET_ASM_OPTIMIZING_SPEC
+#define SUBTARGET_ASM_OPTIMIZING_SPEC "-O0"
/* The assembler now accepts .section pseudo-ops, but it does not allow
- one to change the section in the middle of a function. crtstuff relies
- on this hack, and thus crtstuff won't work here. So, we do init and
- fini sections exactly the same way as they are done for Irix 5, and
- we ifdef out the ASM_OUTPUT_{CON,DE}STRUCTOR macros below. */
-
-#define CONST_SECTION_ASM_OP_32 "\t.rdata"
-#define CONST_SECTION_ASM_OP_64 ".section\t.rodata"
-#define CTORS_SECTION_ASM_OP ".section\t.ctors,1,2,0,4"
-#define DTORS_SECTION_ASM_OP ".section\t.dtors,1,2,0,4"
+ one to change the section in the middle of a function, so we can't use
+ the INIT_SECTION_ASM_OP code in crtstuff. But we can build up the ctor
+ and dtor lists this way, so we use -init and -fini to invoke the
+ do_global_* functions instead of running collect2. */
-/* This is the pseudo-op used to generate a 32-bit word of data with a
- specific value in some section. This is the same for all known svr4
- assemblers. */
+#define BSS_SECTION_ASM_OP "\t.section\t.bss"
-#define INT_ASM_OP ".word"
+#undef READONLY_DATA_SECTION_ASM_OP
+#define READONLY_DATA_SECTION_ASM_OP_32 "\t.rdata"
+#define READONLY_DATA_SECTION_ASM_OP_64 "\t.section\t.rodata"
+#define READONLY_DATA_SECTION_ASM_OP \
+ (mips_abi != ABI_32 && mips_abi != ABI_O64 \
+ ? READONLY_DATA_SECTION_ASM_OP_64 \
+ : READONLY_DATA_SECTION_ASM_OP_32)
/* A default list of other sections which we might be "in" at any given
time. For targets that use additional sections (e.g. .tdesc) you
includes this file. */
#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS in_sdata, in_rdata, in_const, in_ctors, in_dtors
+#define EXTRA_SECTIONS in_sdata
/* A default list of extra section function definitions. For targets
that use additional sections (e.g. .tdesc) you should override this
definition in the target-specific file which includes this file. */
-/* ??? rdata_section is now same as svr4 const_section. */
-
#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS \
void \
} \
} \
\
-void \
-rdata_section () \
+const char * \
+current_section_name () \
{ \
- if (in_section != in_rdata) \
+ switch (in_section) \
{ \
- if (mips_isa >= 3) \
- fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP_64); \
+ case no_section: return NULL; \
+ case in_text: return ".text"; \
+ case in_data: return ".data"; \
+ case in_sdata: return ".sdata"; \
+ case in_bss: return ".bss"; \
+ case in_readonly_data: \
+ if (mips_abi != ABI_32 && mips_abi != ABI_O64) \
+ return ".rodata"; \
else \
- fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP_32); \
- in_section = in_rdata; \
+ return ".rdata"; \
+ case in_named: \
+ return in_named_name; \
} \
+ abort (); \
} \
- CTORS_SECTION_FUNCTION \
- DTORS_SECTION_FUNCTION
-
-#define CTORS_SECTION_FUNCTION \
-void \
-ctors_section () \
-{ \
- if (in_section != in_ctors) \
- { \
- fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \
- in_section = in_ctors; \
- } \
-}
-
-#define DTORS_SECTION_FUNCTION \
-void \
-dtors_section () \
+ \
+unsigned int \
+current_section_flags () \
{ \
- if (in_section != in_dtors) \
+ switch (in_section) \
{ \
- fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \
- in_section = in_dtors; \
+ case no_section: return 0; \
+ case in_text: return SECTION_CODE; \
+ case in_data: return SECTION_WRITE; \
+ case in_sdata: return SECTION_WRITE | SECTION_SMALL; \
+ case in_bss: return SECTION_WRITE | SECTION_BSS; \
+ case in_readonly_data: return 0; \
+ case in_named: return get_named_section_flags (in_named_name); \
} \
+ abort (); \
}
-#if 0
-
-/* A C statement (sans semicolon) to output an element in the table of
- global constructors. */
-#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
- do { \
- ctors_section (); \
- fprintf (FILE, "\t%s\t ", INT_ASM_OP); \
- assemble_name (FILE, NAME); \
- fprintf (FILE, "\n"); \
- } while (0)
-
-/* A C statement (sans semicolon) to output an element in the table of
- global destructors. */
-#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
- do { \
- dtors_section (); \
- fprintf (FILE, "\t%s\t ", INT_ASM_OP); \
- assemble_name (FILE, NAME); \
- fprintf (FILE, "\n"); \
- } while (0)
+/* Switch into a generic section. */
+#undef TARGET_ASM_NAMED_SECTION
+#define TARGET_ASM_NAMED_SECTION iris6_asm_named_section
-#endif
+/* SGI assembler needs all sorts of extra help to do alignment properly. */
+#undef ASM_OUTPUT_ALIGN
+#define ASM_OUTPUT_ALIGN iris6_asm_output_align
+#undef ASM_FILE_START
+#define ASM_FILE_START iris6_asm_file_start
+#undef ASM_FILE_END
+#define ASM_FILE_END iris6_asm_file_end
-/* Stuff for constructors. End here. */
-
-/* ??? Perhaps just include svr4.h in this file? */
+#undef MAX_OFILE_ALIGNMENT
+#define MAX_OFILE_ALIGNMENT (32768*8)
/* ??? SGI assembler may core dump when compiling with -g.
Sometimes as succeeds, but then we get a linker error. (cmds.c in 072.sc)
/* ??? SGI assembler gives warning whenever .lcomm is used. */
#undef ASM_OUTPUT_LOCAL
-#define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN) \
-do \
- { \
- if (mips_isa >= 3) \
- { \
- fputs ("\t.section\t.bss\n", STREAM); \
- ASM_DECLARE_OBJECT_NAME (STREAM, NAME, 0); \
- ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT)); \
- ASM_OUTPUT_SKIP (STREAM, SIZE); \
- fprintf (STREAM, "\t%s\n", POPSECTION_ASM_OP); \
- } \
- else \
+#define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN) \
+do \
+ { \
+ if (mips_abi != ABI_32 && mips_abi != ABI_O64) \
+ { \
+ bss_section (); \
+ mips_declare_object (STREAM, NAME, "", ":\n", 0); \
+ ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT)); \
+ ASM_OUTPUT_SKIP (STREAM, SIZE); \
+ } \
+ else \
mips_declare_object (STREAM, NAME, "\n\t.lcomm\t", ",%u\n", (SIZE)); \
- } \
+ } \
while (0)
-#undef ASM_OUTPUT_INTERNAL_LABEL
-#define ASM_OUTPUT_INTERNAL_LABEL(STREAM,PREFIX,NUM) \
- fprintf (STREAM, ".%s%d:\n", PREFIX, NUM)
-
-/* This is how to store into the string LABEL
- the symbol_ref name of an internal numbered label where
- PREFIX is the class of label and NUM is the number within the class.
- This is suitable for output with `assemble_name'. */
+/* A C statement (sans semicolon) to output to the stdio stream
+ FILE the assembler definition of uninitialized global DECL named
+ NAME whose size is SIZE bytes and alignment is ALIGN bytes.
+ Try to use asm_output_aligned_bss to implement this macro. */
+
+#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
+ asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
+
+/* Write the extra assembler code needed to declare an object properly. */
+
+#undef ASM_DECLARE_OBJECT_NAME
+#define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL) \
+do \
+ { \
+ size_directive_output = 0; \
+ if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \
+ { \
+ size_directive_output = 1; \
+ fprintf (STREAM, "%s", SIZE_ASM_OP); \
+ assemble_name (STREAM, NAME); \
+ fprintf (STREAM, ","); \
+ fprintf (STREAM, HOST_WIDE_INT_PRINT_DEC, int_size_in_bytes (TREE_TYPE (DECL))); \
+ fprintf (STREAM, "\n"); \
+ } \
+ mips_declare_object (STREAM, NAME, "", ":\n", 0); \
+ } \
+while (0)
-#undef ASM_GENERATE_INTERNAL_LABEL
-#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
- sprintf (LABEL, "*.%s%d", PREFIX, NUM)
+/* Define the `__builtin_va_list' type for the ABI. On Irix6, this
+ type is `char *'. */
+#undef BUILD_VA_LIST_TYPE
+#define BUILD_VA_LIST_TYPE(VALIST) \
+ (VALIST) = build_pointer_type (char_type_node)
+
+/* 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 { \
+ 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, ","); \
+ fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, int_size_in_bytes (TREE_TYPE (DECL))); \
+ fprintf (FILE, "\n"); \
+ } \
+ } while (0)
+
+#undef LOCAL_LABEL_PREFIX
+#define LOCAL_LABEL_PREFIX ((mips_abi == ABI_32 || mips_abi == ABI_O64) \
+ ? "$" : ".")
-#undef STARTFILE_SPEC
/* Profiling is supported via libprof1.a not -lc_p as in Irix 3. */
+/* ??? If no mabi=X option give, but a mipsX option is, then should depend
+ on the mipsX option. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
- "%{mips1:%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}} \
- %{mips2:%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}} \
- %{!mips1:%{!mips2:%{pg:/usr/lib64/gcrt1.o}%{!pg:%{p:/usr/lib64/mcrt1.o /usr/lib64/libprof1.a}%{!p:/usr/lib64/crt1.o}}}}"
+ "%{!shared: \
+ %{mabi=32:%{pg:gcrt1.o%s} \
+ %{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}} \
+ %{mabi=n32: \
+ %{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \
+ %{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \
+ %{!p:/usr/lib32/mips4/crt1.o%s}}} \
+ %{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \
+ %{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \
+ %{!p:/usr/lib32/mips3/crt1.o%s}}}} \
+ %{mabi=64: \
+ %{mips4:%{pg:/usr/lib64/mips4/gcrt1.o} \
+ %{!pg:%{p:/usr/lib64/mips4/mcrt1.o /usr/lib64/mips4/libprof1.a} \
+ %{!p:/usr/lib64/mips4/crt1.o}}} \
+ %{!mips4:%{pg:/usr/lib64/mips3/gcrt1.o} \
+ %{!pg:%{p:/usr/lib64/mips3/mcrt1.o /usr/lib64/mips3/libprof1.a} \
+ %{!p:/usr/lib64/mips3/crt1.o}}}} \
+ %{!mabi*: \
+ %{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \
+ %{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \
+ %{!p:/usr/lib32/mips4/crt1.o%s}}} \
+ %{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \
+ %{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \
+ %{!p:/usr/lib32/mips3/crt1.o%s}}}}} \
+ crtbegin.o%s"
#undef LIB_SPEC
-#define LIB_SPEC "%{p:libprof1.a%s}%{pg:libprof1.a%s} -lc"
-
+#define LIB_SPEC \
+ "%{mabi=n32: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
+ -L/usr/lib32} \
+ %{mabi=64: %{mips4:-L/usr/lib64/mips4} %{!mips4:-L/usr/lib64/mips3} \
+ -L/usr/lib64} \
+ %{!mabi*: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
+ -L/usr/lib32} \
+ %{!shared: \
+ -dont_warn_unused %{p:libprof1.a%s}%{pg:libprof1.a%s} -lc -warn_unused}"
+
+/* Avoid getting two warnings for libgcc.a everytime we link. */
+#undef LIBGCC_SPEC
+#define LIBGCC_SPEC "-dont_warn_unused -lgcc -warn_unused"
+
+/* ??? If no mabi=X option give, but a mipsX option is, then should depend
+ on the mipsX option. */
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
- "%{mips1:crtn.o%s}%{mips2:crtn.o%s}%{!mips1:%{!mips2:/usr/lib64/crtn.o}}"
-
+ "crtend.o%s \
+ %{!shared: \
+ %{mabi=32:crtn.o%s}\
+ %{mabi=n32:%{mips4:/usr/lib32/mips4/crtn.o%s}\
+ %{!mips4:/usr/lib32/mips3/crtn.o%s}}\
+ %{mabi=64:%{mips4:/usr/lib64/mips4/crtn.o%s}\
+ %{!mips4:/usr/lib64/mips3/crtn.o%s}}\
+ %{!mabi*:%{mips4:/usr/lib32/mips4/crtn.o%s}\
+ %{!mips4:/usr/lib32/mips3/crtn.o%s}}}"
+
+/* ??? If no mabi=X option give, but a mipsX option is, then should depend
+ on the mipsX option. */
#undef LINK_SPEC
#define LINK_SPEC "\
%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \
%{bestGnum} %{shared} %{non_shared} \
-%{call_shared} %{no_archive} %{exact_version} \
+%{call_shared} %{no_archive} %{exact_version} %{w} \
%{!shared: %{!non_shared: %{!call_shared: -call_shared -no_unresolved}}} \
-%{rpath} \
--_SYSTYPE_SVR4"
-
-/* ??? Debugging does not work. We get many assembler core dumps,
- and even some linker core dumps. */
-#undef DBX_DEBUGGING_INFO
-#undef SDB_DEBUGGING_INFO
-#undef MIPS_DEBUGGING_INFO
-#undef DWARF_DEBUGGING_INFO
-#undef PREFERRED_DEBUGGING_TYPE
+%{rpath} -init __do_global_ctors -fini __do_global_dtors \
+%{shared:-hidden_symbol __do_global_ctors,__do_global_ctors_1,__do_global_dtors} \
+-_SYSTYPE_SVR4 -woff 131 \
+%{mabi=32: -32}%{mabi=n32: -n32}%{mabi=64: -64}%{!mabi*: -n32}"
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