/* 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 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. */
-
-#undef SUBTARGET_SWITCHES
-#define SUBTARGET_SWITCHES \
- { "sio", MASK_SIO, \
- N_("Generate cpp defines for server IO") }, \
- { "wsio", -MASK_SIO, \
- N_("Generate cpp defines for workstation IO") }, \
- {"gnu-ld", MASK_GNU_LD, \
- N_("Assume code will be linked by GNU ld") }, \
- {"hp-ld", -MASK_GNU_LD, \
- N_("Assume code will be linked by HP ld") },
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* We can debug dynamically linked executables on hpux11; we also
want dereferencing of a NULL pointer to cause a SEGV. Do not move
#undef LINK_SPEC
#if ((TARGET_DEFAULT | TARGET_CPU_DEFAULT) & MASK_GNU_LD)
#define LINK_SPEC \
- "%{mhp-ld:+Accept TypeMismatch} -E %{mlinker-opt:-O} %{!shared:-u main} %{static:-a archive} %{shared:%{mhp-ld:-b}%{!mhp-ld:-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 \
- "%{!mgnu-ld:+Accept TypeMismatch} -E %{mlinker-opt:-O} %{!shared:-u main} %{static:-a archive} %{shared:%{mgnu-ld:-shared}%{!mgnu-ld:-b}}"
+ "%{!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:%{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: -lc %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\
- %{pg: -L/usr/lib/pa20_64/libp/ -lgprof -lc\
- %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}\
- %{p: -L/usr/lib/pa20_64/libp/ -lprof -lc\
+ %{!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}}}}\
- /usr/lib/pa20_64/milli.a"
+ %{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}\
+ /usr/lib/pa20_64/milli.a}}"
/* 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
+/* This macro specifies the biggest alignment supported by the object
+ file format of this machine.
+
+ 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
+
/* Due to limitations in the target structure, it isn't currently possible
to dynamically switch between the GNU and HP assemblers. */
#undef TARGET_GAS
/* We are using GAS. */
#define TARGET_GAS 1
-#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) \
- ASM_OUTPUT_TYPE_DIRECTIVE (FILE, "_mcount", "function"); \
- if (write_symbols != NO_DEBUG) \
- { \
- output_file_directive ((FILE), main_input_filename); \
- fputs ("\t.version\t\"01.01\"\n", FILE); \
- } \
-} while (0)
+#undef TARGET_ASM_FILE_START
+#define TARGET_ASM_FILE_START pa_hpux64_gas_file_start
/* This is how we output a null terminated string. */
#undef STRING_ASM_OP
#define HP_FINI_ARRAY_SECTION_ASM_OP "\t.section\t.fini"
#define GNU_FINI_ARRAY_SECTION_ASM_OP "\t.section\t.fini_array"
+/* 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) \
-do { \
- bss_section (); \
- assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), "\t.comm "HOST_WIDE_INT_PRINT_UNSIGNED"\n", \
- MAX ((SIZE), ((ALIGN) / BITS_PER_UNIT))); \
-} while (0)
+ pa_asm_output_aligned_common (FILE, NAME, SIZE, ALIGN)
#undef ASM_OUTPUT_ALIGNED_LOCAL
#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
-do { \
- bss_section (); \
- fprintf ((FILE), "\t.align %d\n", ((ALIGN) / BITS_PER_UNIT)); \
- assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), "\n\t.block "HOST_WIDE_INT_PRINT_UNSIGNED"\n", (SIZE));\
-} while (0)
+ 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. */
/* 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 { \
+ 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) \
dynamic loader to work correctly. This is equivalent to the
HP assembler's .IMPORT directive but relates more directly to
ELF object file types. */
-#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
-do { \
- int save_referenced; \
- save_referenced = TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (DECL));\
- if (FUNCTION_NAME_P (NAME)) \
- ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \
- else \
- ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
- TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (DECL)) = save_referenced;\
+#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 \
+ ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
} while (0)
/* We need set the type for external libcalls. Also note that not all
/* This target uses the ELF object file format. */
#define OBJECT_FORMAT_ELF
-#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); \
- fputs("\t.SPACE $PRIVATE$,SORT=16\n\
-\t.SUBSPA $DATA$,QUAD=1,ALIGN=8,ACCESS=31\n\
-\t.SUBSPA $BSS$,QUAD=1,ALIGN=8,ACCESS=31,ZERO,SORT=82\n\
-\t.SPACE $TEXT$,SORT=8\n\
-\t.SUBSPA $LIT$,QUAD=0,ALIGN=8,ACCESS=44\n\
-\t.SUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY\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)
+#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"
/* 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}} %{static:crtbeginT.o%s} \
- %{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
+ "%{!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}"
+#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
the array. DT_FINI_ARRAY is supposed to be executed in the opposite
order.
- The second hack is stubs for __cxa_finalize and _Jv_RegisterClasses.
- The HP implementation of undefined weak symbols is broken. The linker
- and dynamic loader both search for undefined weak symbols contrary the
- generic System V ABI. An undefined weak symbol should resolve to a
- value of 0 rather than causing an error. The prototypes for
- __cxa_finalize and _Jv_RegisterClasses in crtstuff.c are weak when
- weak is supported (GNU as), so in theory a strong define should override
- the stub functions provided here.
-
- The final hack is a set of plabels to implement the effect of
+ 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
either using the linker +init command or a plabel, run before the
initializers specified here. */
-/* We need a __cxa_finalize stub if CRTSTUFFS_O is defined. */
-#ifdef CRTSTUFFS_O
-#define PA_CXA_FINALIZE_STUB \
-extern void __cxa_finalize (void *) TARGET_ATTRIBUTE_WEAK; \
-void \
-__cxa_finalize (void *p __attribute__((unused))) {}
-#else
-#define PA_CXA_FINALIZE_STUB
-#endif
-
-/* We need a _Jv_RegisterClasses stub if JCR_SECTION_NAME is defined. */
-#ifdef JCR_SECTION_NAME
-#define PA_JV_REGISTERCLASSES_STUB \
-void \
-_Jv_RegisterClasses (void *p __attribute__((unused))) {}
-#else
-#define PA_JV_REGISTERCLASSES_STUB
-#endif
-
/* 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 ""
#endif
-#define PA_INIT_FINI_HACK \
+/* 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) \
{ \
(*p) (); \
} \
\
-PA_CXA_FINALIZE_STUB \
-PA_JV_REGISTERCLASSES_STUB \
- \
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 init-fini hack. */
+ 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_INIT_FINI_HACK
+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_INIT_FINI_HACK
+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
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