X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=gcc%2Fconfig%2Fpa%2Fpa64-hpux.h;fp=gcc%2Fconfig%2Fpa%2Fpa64-hpux.h;h=16f5a3e4b09281a6bdee7eb27e15f5a0664fedd3;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=e403386e39018edd857cac3512fdd7528f586c74;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/gcc/config/pa/pa64-hpux.h b/gcc/config/pa/pa64-hpux.h index e403386e..16f5a3e4 100644 --- a/gcc/config/pa/pa64-hpux.h +++ b/gcc/config/pa/pa64-hpux.h @@ -1,239 +1,434 @@ /* Definitions of target machine for GNU compiler, for HPs running HPUX using the 64bit runtime model. - Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc. + Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005, 2007, 2008 + Free Software Foundation, Inc. -This file is part of GNU CC. +This file is part of GCC. -GNU CC is free software; you can redistribute it and/or modify +GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) +the Free Software Foundation; either version 3, or (at your option) any later version. -GNU CC is distributed in the hope that it will be useful, +GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ +along with GCC; see the file COPYING3. If not see +. */ /* We can debug dynamically linked executables on hpux11; we also - want dereferencing of a NULL pointer to cause a SEGV. */ + want dereferencing of a NULL pointer to cause a SEGV. Do not move + the "+Accept TypeMismatch" switch. We check for it in collect2 + to determine which init/fini is needed. */ #undef LINK_SPEC +#if ((TARGET_DEFAULT | TARGET_CPU_DEFAULT) & MASK_GNU_LD) #define LINK_SPEC \ - "-E %{mlinker-opt:-O} %{!shared:-u main} %{static:-a archive} %{shared:-shared}" + "%{!shared:%{p:-L/lib/pa20_64/libp -L/usr/lib/pa20_64/libp %{!static:\ + %nWarning: consider linking with `-static' as system libraries with\n\ + %n profiling support are only provided in archive format}}}\ + %{!shared:%{pg:-L/lib/pa20_64/libp -L/usr/lib/pa20_64/libp %{!static:\ + %nWarning: consider linking with `-static' as system libraries with\n\ + %n profiling support are only provided in archive format}}}\ + %{mhp-ld:+Accept TypeMismatch -z} -E %{mlinker-opt:-O}\ + %{!shared:-u main %{!nostdlib:%{!nodefaultlibs:-u __cxa_finalize}}}\ + %{static:-a archive} %{shared:%{mhp-ld:-b}%{!mhp-ld:-shared}}" +#else +#define LINK_SPEC \ + "%{!shared:%{p:-L/lib/pa20_64/libp -L/usr/lib/pa20_64/libp %{!static:\ + %nWarning: consider linking with `-static' as system libraries with\n\ + %n profiling support are only provided in archive format}}}\ + %{!shared:%{pg:-L/lib/pa20_64/libp -L/usr/lib/pa20_64/libp %{!static:\ + %nWarning: consider linking with `-static' as system libraries with\n\ + %n profiling support are only provided in archive format}}}\ + %{!mgnu-ld:+Accept TypeMismatch -z} -E %{mlinker-opt:-O}\ + %{!shared:-u main %{!nostdlib:%{!nodefaultlibs:-u __cxa_finalize}}}\ + %{static:-a archive} %{shared:%{mgnu-ld:-shared}%{!mgnu-ld:-b}}" +#endif -/* Like the default, except no -lg. */ +/* Profiling support is only provided in libc.a. However, libprof and + libgprof are only available in shared form on HP-UX 11.00. We use + the shared form if we are using the GNU linker or an archive form + isn't available. We also usually need to link with libdld and it's + only available in shared form. */ #undef LIB_SPEC +#if ((TARGET_DEFAULT | TARGET_CPU_DEFAULT) & MASK_GNU_LD) #define LIB_SPEC \ "%{!shared:\ - %{!p:\ - %{!pg:\ - %{!threads:-lc}\ - %{threads:-lcma -lc_r}}\ - %{p: -L/lib/libp/ -lc}\ - %{pg: -L/lib/libp/ -lc}}} /usr/lib/pa20_64/milli.a" + %{!p:%{!pg:%{static|mt|pthread:%{fopenmp:%{static:-a shared} -lrt\ + %{static:-a archive}} -lpthread} -lc\ + %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\ + %{p:%{!pg:%{static:%{!mhp-ld:-a shared}%{mhp-ld:-a archive_shared}}\ + -lprof %{static:-a archive}\ + %{static|mt|pthread:%{fopenmp:%{static:-a shared} -lrt\ + %{static:-a archive}} -lpthread} -lc\ + %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\ + %{pg:%{static:%{!mhp-ld:-a shared}%{mhp-ld:-a archive_shared}}\ + -lgprof %{static:-a archive}\ + %{static|mt|pthread:%{fopenmp:%{static:-a shared} -lrt\ + %{static:-a archive}} -lpthread} -lc\ + %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\ + %{shared:%{mt|pthread:-lpthread}}" +#else +#define LIB_SPEC \ + "%{!shared:\ + %{!p:%{!pg:%{static|mt|pthread:%{fopenmp:%{static:-a shared} -lrt\ + %{static:-a archive}} -lpthread} -lc\ + %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\ + %{p:%{!pg:%{static:%{mgnu-ld:-a shared}%{!mgnu-ld:-a archive_shared}}\ + -lprof %{static:-a archive}\ + %{static|mt|pthread:%{fopenmp:%{static:-a shared} -lrt\ + %{static:-a archive}} -lpthread} -lc\ + %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\ + %{pg:%{static:%{mgnu-ld:-a shared}%{!mgnu-ld:-a archive_shared}}\ + -lgprof %{static:-a archive}\ + %{static|mt|pthread:%{fopenmp:%{static:-a shared} -lrt\ + %{static:-a archive}} -lpthread} -lc\ + %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\ + %{shared:%{mt|pthread:-lpthread}}" +#endif + +/* The libgcc_stub.a and milli.a libraries need to come last. */ +#undef LINK_GCC_C_SEQUENCE_SPEC +#define LINK_GCC_C_SEQUENCE_SPEC "\ + %G %L %G %{!nostdlib:%{!nodefaultlibs:%{!shared:-lgcc_stub}\ + milli.a%s}}" /* Under hpux11, the normal location of the `ld' and `as' programs is the /usr/ccs/bin directory. */ -#ifndef CROSS_COMPILE +#ifndef CROSS_DIRECTORY_STRUCTURE #undef MD_EXEC_PREFIX #define MD_EXEC_PREFIX "/usr/ccs/bin" #endif +/* Default prefixes. */ + +#undef STANDARD_STARTFILE_PREFIX_1 +#define STANDARD_STARTFILE_PREFIX_1 "/lib/pa20_64/" + +#undef STANDARD_STARTFILE_PREFIX_2 +#define STANDARD_STARTFILE_PREFIX_2 "/usr/lib/pa20_64/" + /* Under hpux11 the normal location of the various pa20_64 *crt*.o files is the /usr/ccs/lib/pa20_64 directory. Some files may also be in the /opt/langtools/lib/pa20_64 directory. */ -#ifndef CROSS_COMPILE +#ifndef CROSS_DIRECTORY_STRUCTURE #undef MD_STARTFILE_PREFIX #define MD_STARTFILE_PREFIX "/usr/ccs/lib/pa20_64/" #endif -#ifndef CROSS_COMPILE +#ifndef CROSS_DIRECTORY_STRUCTURE #undef MD_STARTFILE_PREFIX_1 #define MD_STARTFILE_PREFIX_1 "/opt/langtools/lib/pa20_64/" #endif -/* hpux11 has the new HP assembler. It's still lousy, but it's a whole lot - better than the assembler shipped with older versions of hpux. */ -#undef NEW_HP_ASSEMBLER -#define NEW_HP_ASSEMBLER 1 +/* This macro specifies the biggest alignment supported by the object + file format of this machine. -#undef ASM_FILE_START -#define ASM_FILE_START(FILE) \ -do { \ - if (TARGET_64BIT) \ - fputs("\t.LEVEL 2.0w\n", FILE); \ - else if (TARGET_PA_20) \ - fputs("\t.LEVEL 2.0\n", FILE); \ - else if (TARGET_PA_11) \ - fputs("\t.LEVEL 1.1\n", FILE); \ - else \ - fputs("\t.LEVEL 1.0\n", FILE); \ - if (profile_flag)\ - fprintf (FILE, "\t.IMPORT _mcount, CODE\n");\ - if (write_symbols != NO_DEBUG) \ - output_file_directive ((FILE), main_input_filename); \ - } while (0) + The .align directive in the HP assembler allows alignments up to + 4096 bytes. However, the maximum alignment of a global common symbol + is 16 bytes using HP ld. Unfortunately, this macro doesn't provide + a method to check for common symbols. */ +#undef MAX_OFILE_ALIGNMENT +#define MAX_OFILE_ALIGNMENT 32768 -/* It looks like DWARF2 will be the easiest debug format to handle on this - platform. */ -#define OBJECT_FORMAT_ELF -#define DWARF2_DEBUGGING_INFO -#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG -/* This isn't quite ready yet. I'm seeing it mess up some line - tables. For example, we're getting lines starting/ending at - impossible addresses. */ -#define DWARF2_ASM_LINE_DEBUG_INFO 1 - - -/* The rest of this file is copied from the generic svr4.h. One day we - would like to simply include svr4.h instead of copying all these - definitions. */ - -/* Support const sections and the ctors and dtors sections for g++. - Note that there appears to be two different ways to support const - sections at the moment. You can either #define the symbol - READONLY_DATA_SECTION (giving it some code which switches to the - readonly data section) or else you can #define the symbols - EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION, and - SELECT_RTX_SECTION. We do both here just to be on the safe side. */ - -#define USE_CONST_SECTION 1 - -#define CONST_SECTION_ASM_OP "\t.section\t.rodata" - -/* On svr4, we *do* have support for the .init and .fini sections, and we - can put stuff in there to be executed before and after `main'. We let - crtstuff.c and other files know this by defining the following symbols. - The definitions say how to change sections to the .init and .fini - sections. This is the same for all known svr4 assemblers. */ - -/* For the time being, we aren't using init sections. `P' relocations - are currently used for function references. However, P relocations are - treated as data references and data references are bound by dld.sl - immediately at program startup. This causes an abort due to undefined - weak symbols in crtbegin.o (e.g., __register_frame_info). Possibly - Q relocations might avoid this problem but the GNU assembler doesn't - support them. */ -#if 0 -#define INIT_SECTION_ASM_OP "\t.section\t.init" -#define FINI_SECTION_ASM_OP "\t.section\t.fini" -#else -#define EH_FRAME_IN_DATA_SECTION 1 +/* Due to limitations in the target structure, it isn't currently possible + to dynamically switch between the GNU and HP assemblers. */ +#undef TARGET_GAS -#undef ENDFILE_SPEC -#define ENDFILE_SPEC "" +/* Configure selects the standard ELFOS defines for use with GAS. */ +#ifdef USING_ELFOS_H -#undef STARTFILE_SPEC -#define STARTFILE_SPEC "%{!shared: \ - %{!symbolic: \ - %{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}}" -#endif +/* We are using GAS. */ +#define TARGET_GAS 1 -/* 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 - should override this definition in the target-specific file which - includes this file. */ +#undef TARGET_ASM_FILE_START +#define TARGET_ASM_FILE_START pa_hpux64_gas_file_start -#undef EXTRA_SECTIONS -#define EXTRA_SECTIONS in_const +/* This is how we output a null terminated string. */ +#undef STRING_ASM_OP +#define STRING_ASM_OP "\t.stringz\t" -/* 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. */ +#define TEXT_SECTION_ASM_OP "\t.text" +#define DATA_SECTION_ASM_OP "\t.data" +#define BSS_SECTION_ASM_OP "\t.section\t.bss" -#undef EXTRA_SECTION_FUNCTIONS -#define EXTRA_SECTION_FUNCTIONS \ - CONST_SECTION_FUNCTION +#define JCR_SECTION_NAME ".jcr" +#define HP_INIT_ARRAY_SECTION_ASM_OP "\t.section\t.init" +#define GNU_INIT_ARRAY_SECTION_ASM_OP "\t.section\t.init_array" +#define HP_FINI_ARRAY_SECTION_ASM_OP "\t.section\t.fini" +#define GNU_FINI_ARRAY_SECTION_ASM_OP "\t.section\t.fini_array" -#define READONLY_DATA_SECTION() const_section () +/* We need to override the following two macros defined in elfos.h since + the .comm directive has a different syntax and it can't be used for + local common symbols. */ +#undef ASM_OUTPUT_ALIGNED_COMMON +#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \ + pa_asm_output_aligned_common (FILE, NAME, SIZE, ALIGN) -#define CONST_SECTION_FUNCTION \ -void \ -const_section () \ -{ \ - if (!USE_CONST_SECTION) \ - text_section(); \ - else if (in_section != in_const) \ - { \ - fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP); \ - in_section = in_const; \ - } \ -} - -/* Switch into a generic section. */ -#define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section - -#define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1) -#define UNIQUE_SECTION(DECL,RELOC) \ +#undef ASM_OUTPUT_ALIGNED_LOCAL +#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ + pa_asm_output_aligned_local (FILE, NAME, SIZE, ALIGN) + +/* The define in pa.h doesn't work with the alias attribute. The + default is ok with the following define for GLOBAL_ASM_OP. */ +#undef TARGET_ASM_GLOBALIZE_LABEL + +/* This is how we globalize a label. */ +#define GLOBAL_ASM_OP "\t.globl\t" + +/* Hacked version from defaults.h that uses assemble_name_raw + instead of assemble_name. A symbol in a type directive that + isn't otherwise referenced doesn't cause the symbol to be + placed in the symbol table of the assembled object. */ +#undef ASM_OUTPUT_TYPE_DIRECTIVE +#define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE) \ do { \ - int len; \ - char *string; \ - const char *prefix, \ - *const name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL));\ - \ - if (! DECL_ONE_ONLY (DECL)) \ - { \ - prefix = "."; \ - if (TREE_CODE (DECL) == FUNCTION_DECL) \ - prefix = ".text."; \ - else if (DECL_READONLY_SECTION (DECL, RELOC)) \ - prefix = ".rodata."; \ - else \ - prefix = ".data."; \ - } \ - else if (TREE_CODE (DECL) == FUNCTION_DECL) \ - prefix = ".gnu.linkonce.t."; \ - else if (DECL_READONLY_SECTION (DECL, RELOC)) \ - prefix = ".gnu.linkonce.r."; \ + fputs (TYPE_ASM_OP, STREAM); \ + assemble_name_raw (STREAM, NAME); \ + fputs (", ", STREAM); \ + fprintf (STREAM, TYPE_OPERAND_FMT, TYPE); \ + putc ('\n', STREAM); \ +} while (0) + +/* Hacked version from elfos.h that doesn't output a label. */ +#undef ASM_DECLARE_FUNCTION_NAME +#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ +do { \ + ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \ + ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \ +} while (0) + +/* The type of external references must be set correctly for the + dynamic loader to work correctly. This is equivalent to the + HP assembler's .IMPORT directive but relates more directly to + ELF object file types. */ +#undef ASM_OUTPUT_EXTERNAL +#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \ + pa_hpux_asm_output_external ((FILE), (DECL), (NAME)) +#define ASM_OUTPUT_EXTERNAL_REAL(FILE, DECL, NAME) \ +do { \ + if (FUNCTION_NAME_P (NAME)) \ + ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \ else \ - prefix = ".gnu.linkonce.d."; \ - \ - len = strlen (name) + strlen (prefix); \ - string = alloca (len + 1); \ - sprintf (string, "%s%s", prefix, name); \ - \ - DECL_SECTION_NAME (DECL) = build_string (len, string); \ + ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \ + default_elf_asm_output_external (FILE, DECL, NAME); \ } while (0) -/* 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. */ +/* We need set the type for external libcalls. Also note that not all + libcall names are passed to targetm.encode_section_info (e.g., __main). + Thus, we also have to do the section encoding if it hasn't been done + already. */ +#undef ASM_OUTPUT_EXTERNAL_LIBCALL +#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \ +do { \ + if (!FUNCTION_NAME_P (XSTR (FUN, 0))) \ + hppa_encode_label (FUN); \ + ASM_OUTPUT_TYPE_DIRECTIVE (FILE, XSTR (FUN, 0), "function"); \ +} while (0) + +/* We need to use the HP style for internal labels. */ +#undef ASM_GENERATE_INTERNAL_LABEL +#define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \ + sprintf (LABEL, "*%c$%s%04ld", (PREFIX)[0], (PREFIX) + 1, (long)(NUM)) -#define TYPE_ASM_OP "\t.type\t" -#define SIZE_ASM_OP "\t.size\t" +#else /* USING_ELFOS_H */ -/* This is how we tell the assembler that a symbol is weak. */ +/* We are not using GAS. */ +#define TARGET_GAS 0 -#define ASM_WEAKEN_LABEL(FILE,NAME) \ - do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \ - fputc ('\n', FILE); } while (0) +/* HPUX 11 has the "new" HP assembler. It's still lousy, but it's a whole + lot better than the assembler shipped with older versions of hpux. + However, it doesn't support weak symbols and is a bad fit with ELF. */ +#undef NEW_HP_ASSEMBLER +#define NEW_HP_ASSEMBLER 1 -/* 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). */ +/* It looks like DWARF2 will be the easiest debug format to handle on this + platform. */ +#define DWARF2_DEBUGGING_INFO 1 +#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG -#define TYPE_OPERAND_FMT "@%s" +/* This target uses the ELF object file format. */ +#define OBJECT_FORMAT_ELF -/* 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. */ +#undef TARGET_ASM_FILE_START +#define TARGET_ASM_FILE_START pa_hpux64_hpas_file_start + +#undef TEXT_SECTION_ASM_OP +#define TEXT_SECTION_ASM_OP "\t.SUBSPA $CODE$\n" +#undef READONLY_DATA_SECTION_ASM_OP +#define READONLY_DATA_SECTION_ASM_OP "\t.SUBSPA $LIT$\n" +#undef DATA_SECTION_ASM_OP +#define DATA_SECTION_ASM_OP "\t.SUBSPA $DATA$\n" +#undef BSS_SECTION_ASM_OP +#define BSS_SECTION_ASM_OP "\t.SUBSPA $BSS$\n" + +/* We provide explicit defines for CTORS_SECTION_ASM_OP and + DTORS_SECTION_ASM_OP since we don't yet have support for + named sections with the HP assembler. */ +#undef CTORS_SECTION_ASM_OP +#define CTORS_SECTION_ASM_OP "\t.SUBSPA \\.ctors,QUAD=1,ALIGN=8,ACCESS=31" +#undef DTORS_SECTION_ASM_OP +#define DTORS_SECTION_ASM_OP "\t.SUBSPA \\.dtors,QUAD=1,ALIGN=8,ACCESS=31" + +#define HP_INIT_ARRAY_SECTION_ASM_OP \ + "\t.SUBSPA \\.init,QUAD=1,ALIGN=8,ACCESS=31" +#define GNU_INIT_ARRAY_SECTION_ASM_OP \ + "\t.SUBSPA \\.init_array,QUAD=1,ALIGN=8,ACCESS=31" +#define HP_FINI_ARRAY_SECTION_ASM_OP \ + "\t.SUBSPA \\.fini,QUAD=1,ALIGN=8,ACCESS=31" +#define GNU_FINI_ARRAY_SECTION_ASM_OP \ + "\t.SUBSPA \\.fini_array,QUAD=1,ALIGN=8,ACCESS=31" + +#endif /* USING_ELFOS_H */ + +/* The following defines, used to run constructors and destructors with + the SOM linker under HP-UX 11, are not needed. */ +#undef HAS_INIT_SECTION +#undef LD_INIT_SWITCH +#undef LD_FINI_SWITCH + +/* The following STARTFILE_SPEC and ENDFILE_SPEC defines provide the + magic needed to run initializers and finalizers. */ +#undef STARTFILE_SPEC +#if TARGET_HPUX_11_11 +#define STARTFILE_SPEC \ + "%{!shared: %{!symbolic: crt0%O%s} %{munix=95:unix95.o%s} \ + %{!munix=93:%{!munix=95:unix98%O%s}}} %{static:crtbeginT%O%s} \ + %{!static:%{!shared:crtbegin%O%s} %{shared:crtbeginS%O%s}}" +#else +#define STARTFILE_SPEC \ + "%{!shared: %{!symbolic: crt0%O%s} %{munix=95:unix95%O%s}} \ + %{static:crtbeginT%O%s} %{!static:%{!shared:crtbegin%O%s} \ + %{shared:crtbeginS%O%s}}" +#endif +#undef ENDFILE_SPEC +#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}" + +/* Since HP uses the .init and .fini sections for array initializers + and finalizers, we need different defines for INIT_SECTION_ASM_OP + and FINI_SECTION_ASM_OP. With the implementation adopted below, + the sections are not actually used. However, we still must provide + defines to select the proper code path. */ +#undef INIT_SECTION_ASM_OP +#define INIT_SECTION_ASM_OP +#undef FINI_SECTION_ASM_OP +#define FINI_SECTION_ASM_OP + +/* We are using array initializers and don't want calls in the INIT + and FINI sections. */ +#undef CRT_CALL_STATIC_FUNCTION +#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) + +/* The init_priority attribute is not supported with HP ld. This could be + supported if collect2 was used with LD_INIT_SWITCH. Unfortunately, this + approach doesn't work with GNU ld since HP-UX doesn't support DT_INIT, + and therefore the -init and -fini GNU ld switches. */ +#undef SUPPORTS_INIT_PRIORITY +#define SUPPORTS_INIT_PRIORITY (TARGET_GNU_LD ? 1 : 0) + +/* We use DTOR_LIST_BEGIN to carry a bunch of hacks to allow us to use + the init and fini array sections with both the HP and GNU linkers. + The linkers setup the required dynamic entries in the dynamic segment + and the dynamic linker does the calls. This approach avoids using + collect2. + + The first hack is to implement __do_global_ctors_aux in crtbegin as + it needs to be the first entry in the init array so that it is called + last. HP got the order of the init array backwards. The DT_INIT_ARRAY + is supposed to be executed in the same order as the addresses appear in + the array. DT_FINI_ARRAY is supposed to be executed in the opposite + order. + + The second hack is a set of plabels to implement the effect of + CRT_CALL_STATIC_FUNCTION. HP-UX 11 only supports DI_INIT_ARRAY and + DT_FINI_ARRAY and they put the arrays in .init and .fini, rather than + in .init_array and .fini_array. The standard defines for .init and + .fini have the execute flag set. So, the assembler has to be hacked + to munge the standard flags for these sections to make them agree + with what the HP linker expects. With the GNU linker, we need to + used the .init_array and .fini_array sections. So, we set up for + both just in case. Once we have built the table, the linker does + the rest of the work. + + The order is significant. Placing __do_global_ctors_aux first in + the list, results in it being called last. User specified initializers, + either using the linker +init command or a plabel, run before the + initializers specified here. */ + +/* We need to add frame_dummy to the initializer list if EH_FRAME_SECTION_NAME + or JCR_SECTION_NAME is defined. */ +#if defined(EH_FRAME_SECTION_NAME) || defined(JCR_SECTION_NAME) +#define PA_INIT_FRAME_DUMMY_ASM_OP ".dword P%frame_dummy" +#else +#define PA_INIT_FRAME_DUMMY_ASM_OP "" +#endif -#ifndef ASM_DECLARE_RESULT -#define ASM_DECLARE_RESULT(FILE, RESULT) +/* The following hack sets up the .init, .init_array, .fini and + .fini_array sections. */ +#define PA_CRTBEGIN_HACK \ +asm (TEXT_SECTION_ASM_OP); \ +static void __attribute__((used)) \ +__do_global_ctors_aux (void) \ +{ \ + func_ptr *p = __CTOR_LIST__; \ + while (*(p + 1)) \ + p++; \ + for (; *p != (func_ptr) -1; p--) \ + (*p) (); \ +} \ + \ +asm (HP_INIT_ARRAY_SECTION_ASM_OP); \ +asm (".align 8"); \ +asm (".dword P%__do_global_ctors_aux"); \ +asm (PA_INIT_FRAME_DUMMY_ASM_OP); \ +asm (GNU_INIT_ARRAY_SECTION_ASM_OP); \ +asm (".align 8"); \ +asm (".dword P%__do_global_ctors_aux"); \ +asm (PA_INIT_FRAME_DUMMY_ASM_OP); \ +asm (HP_FINI_ARRAY_SECTION_ASM_OP); \ +asm (".align 8"); \ +asm (".dword P%__do_global_dtors_aux"); \ +asm (GNU_FINI_ARRAY_SECTION_ASM_OP); \ +asm (".align 8"); \ +asm (".dword P%__do_global_dtors_aux") + +/* The following two variants of DTOR_LIST_BEGIN are identical to those + in crtstuff.c except for the addition of the above crtbegin hack. */ +#ifdef DTORS_SECTION_ASM_OP +#define DTOR_LIST_BEGIN \ +asm (DTORS_SECTION_ASM_OP); \ +STATIC func_ptr __DTOR_LIST__[1] \ + __attribute__ ((aligned(sizeof(func_ptr)))) \ + = { (func_ptr) (-1) }; \ +PA_CRTBEGIN_HACK +#else +#define DTOR_LIST_BEGIN \ +STATIC func_ptr __DTOR_LIST__[1] \ + __attribute__ ((section(".dtors"), aligned(sizeof(func_ptr)))) \ + = { (func_ptr) (-1) }; \ +PA_CRTBEGIN_HACK #endif /* If using HP ld do not call pxdb. Use size as a program that does nothing and returns 0. /bin/true cannot be used because it is a script without an interpreter. */ #define INIT_ENVIRONMENT "LD_PXDB=/usr/ccs/bin/size" + +/* The HPUX dynamic linker objects to undefined weak symbols, so do + not use them in gthr-posix.h. */ +#define GTHREAD_USE_WEAK 0 + +/* We don't want undefined weak references to __register_frame_info, + __deregister_frame_info, _Jv_RegisterClasses and __cxa_finalize + introduced by crtbegin.o. The GNU linker only resolves weak + references if they appear in a shared library. Thus, it would be + impossible to create a static executable if the symbols were weak. + So, the best solution seems to be to make the symbols strong and + provide an archive library of empty stub functions. */ +#define TARGET_ATTRIBUTE_WEAK