1 /* Definitions of target machine for GNU compiler, for HPs running
2 HPUX using the 64bit runtime model.
3 Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
5 This file is part of GNU CC.
7 GNU CC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU CC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU CC; see the file COPYING. If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
22 #undef SUBTARGET_SWITCHES
23 #define SUBTARGET_SWITCHES \
25 N_("Generate cpp defines for server IO") }, \
26 { "wsio", -MASK_SIO, \
27 N_("Generate cpp defines for workstation IO") }, \
28 {"gnu-ld", MASK_GNU_LD, \
29 N_("Assume code will be linked by GNU ld") }, \
30 {"hp-ld", -MASK_GNU_LD, \
31 N_("Assume code will be linked by HP ld") },
33 /* We can debug dynamically linked executables on hpux11; we also
34 want dereferencing of a NULL pointer to cause a SEGV. */
36 #if ((TARGET_DEFAULT | TARGET_CPU_DEFAULT) & MASK_GNU_LD)
38 "-E %{mlinker-opt:-O} %{!shared:-u main} %{static:-a archive} %{shared:%{mhp-ld:-b}%{!mhp-ld:-shared}} %{mhp-ld:+Accept TypeMismatch}"
41 "-E %{mlinker-opt:-O} %{!shared:-u main} %{static:-a archive} %{shared:%{mgnu-ld:-shared}%{!mgnu-ld:-b}} %{!mgnu-ld:+Accept TypeMismatch}"
44 /* Like the default, except no -lg. */
51 %{threads:-lcma -lc_r}}\
52 %{p: -L/lib/libp/ -lc}\
53 %{pg: -L/lib/libp/ -lc}}} /usr/lib/pa20_64/milli.a"
55 /* Under hpux11, the normal location of the `ld' and `as' programs is the
56 /usr/ccs/bin directory. */
60 #define MD_EXEC_PREFIX "/usr/ccs/bin"
63 /* Under hpux11 the normal location of the various pa20_64 *crt*.o files
64 is the /usr/ccs/lib/pa20_64 directory. Some files may also be in the
65 /opt/langtools/lib/pa20_64 directory. */
68 #undef MD_STARTFILE_PREFIX
69 #define MD_STARTFILE_PREFIX "/usr/ccs/lib/pa20_64/"
73 #undef MD_STARTFILE_PREFIX_1
74 #define MD_STARTFILE_PREFIX_1 "/opt/langtools/lib/pa20_64/"
77 /* hpux11 has the new HP assembler. It's still lousy, but it's a whole lot
78 better than the assembler shipped with older versions of hpux. */
79 #undef NEW_HP_ASSEMBLER
80 #define NEW_HP_ASSEMBLER 1
83 #define ASM_FILE_START(FILE) \
86 fputs("\t.LEVEL 2.0w\n", FILE); \
87 else if (TARGET_PA_20) \
88 fputs("\t.LEVEL 2.0\n", FILE); \
89 else if (TARGET_PA_11) \
90 fputs("\t.LEVEL 1.1\n", FILE); \
92 fputs("\t.LEVEL 1.0\n", FILE); \
94 fprintf (FILE, "\t.IMPORT _mcount, CODE\n");\
95 if (write_symbols != NO_DEBUG) \
96 output_file_directive ((FILE), main_input_filename); \
99 /* It looks like DWARF2 will be the easiest debug format to handle on this
101 #define OBJECT_FORMAT_ELF
102 #define DWARF2_DEBUGGING_INFO 1
103 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
104 /* This isn't quite ready yet. I'm seeing it mess up some line
105 tables. For example, we're getting lines starting/ending at
106 impossible addresses. */
107 #define DWARF2_ASM_LINE_DEBUG_INFO 1
110 /* The rest of this file is copied from the generic svr4.h. One day we
111 would like to simply include svr4.h instead of copying all these
114 #define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rodata"
116 /* On svr4, we *do* have support for the .init and .fini sections, and we
117 can put stuff in there to be executed before and after `main'. We let
118 crtstuff.c and other files know this by defining the following symbols.
119 The definitions say how to change sections to the .init and .fini
120 sections. This is the same for all known svr4 assemblers. */
122 /* For the time being, we aren't using init sections. `P' relocations
123 are currently used for function references. However, P relocations are
124 treated as data references and data references are bound by dld.sl
125 immediately at program startup. This causes an abort due to undefined
126 weak symbols in crtbegin.o (e.g., __register_frame_info). Possibly
127 Q relocations might avoid this problem but the GNU assembler doesn't
130 #define INIT_SECTION_ASM_OP "\t.section\t.init"
131 #define FINI_SECTION_ASM_OP "\t.section\t.fini"
133 #define EH_FRAME_IN_DATA_SECTION 1
136 #define ENDFILE_SPEC ""
138 #undef STARTFILE_SPEC
139 #define STARTFILE_SPEC "%{!shared: \
141 %{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}}"
144 /* Switch into a generic section. */
145 #define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
147 #define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
149 /* This is how we tell the assembler that a symbol is weak. */
151 #define ASM_WEAKEN_LABEL(FILE,NAME) \
152 do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
153 fputc ('\n', FILE); } while (0)
155 /* Write the extra assembler code needed to declare a function's result.
156 Most svr4 assemblers don't require any special declaration of the
157 result value, but there are exceptions. */
159 #ifndef ASM_DECLARE_RESULT
160 #define ASM_DECLARE_RESULT(FILE, RESULT)