1 /* Definitions for PA_RISC with ELF format 2 Copyright (C) 1999-2018 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 GCC is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GCC; see the file COPYING3. If not see 18 <http://www.gnu.org/licenses/>. */ 19 20 21 #undef TARGET_OS_CPP_BUILTINS 22 #define TARGET_OS_CPP_BUILTINS() \ 23 do \ 24 { \ 25 GNU_USER_TARGET_OS_CPP_BUILTINS(); \ 26 builtin_assert ("machine=bigendian"); \ 27 } \ 28 while (0) 29 30 #undef CPP_SPEC 31 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" 32 33 #undef ASM_SPEC 34 #define ASM_SPEC \ 35 "" 36 37 /* Define this for shared library support because it isn't in the main 38 linux.h file. */ 39 40 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" 41 42 #undef LINK_SPEC 43 #define LINK_SPEC "\ 44 %{shared:-shared} \ 45 %{!shared: \ 46 %{!static: \ 47 %{rdynamic:-export-dynamic} \ 48 -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \ 49 %{static:-static}}" 50 51 /* glibc's profiling functions don't need gcc to allocate counters. */ 52 #define NO_DEFERRED_PROFILE_COUNTERS 1 53 54 /* Define the strings used for the special svr4 .type and .size directives. 55 These strings generally do not vary from one system running svr4 to 56 another, but if a given system (e.g. m88k running svr) needs to use 57 different pseudo-op names for these, they may be overridden in the 58 file which includes this one. */ 59 60 #undef STRING_ASM_OP 61 #define STRING_ASM_OP "\t.stringz\t" 62 63 #define TEXT_SECTION_ASM_OP "\t.text" 64 #define DATA_SECTION_ASM_OP "\t.data" 65 #define BSS_SECTION_ASM_OP "\t.section\t.bss" 66 67 #define TARGET_ASM_FILE_START pa_linux_file_start 68 69 /* We want local labels to start with period if made with asm_fprintf. */ 70 #undef LOCAL_LABEL_PREFIX 71 #define LOCAL_LABEL_PREFIX "." 72 73 /* Define these to generate the Linux/ELF/SysV style of internal 74 labels all the time - i.e. to be compatible with 75 ASM_GENERATE_INTERNAL_LABEL in <elfos.h>. Compare these with the 76 ones in pa.h and note the lack of dollar signs in these. FIXME: 77 shouldn't we fix pa.h to use ASM_GENERATE_INTERNAL_LABEL instead? */ 78 79 #undef ASM_OUTPUT_ADDR_VEC_ELT 80 #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ 81 fprintf (FILE, "\t.word .L%d\n", VALUE) 82 83 #undef ASM_OUTPUT_ADDR_DIFF_ELT 84 #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \ 85 fprintf (FILE, "\t.word .L%d-.L%d\n", VALUE, REL) 86 87 /* Use the default. */ 88 #undef ASM_OUTPUT_LABEL 89 90 /* NOTE: (*targetm.asm_out.internal_label)() is defined for us by elfos.h, and 91 does what we want (i.e. uses colons). It must be compatible with 92 ASM_GENERATE_INTERNAL_LABEL(), so do not define it here. */ 93 94 /* Use the default. */ 95 #undef ASM_OUTPUT_INTERNAL_LABEL 96 97 /* Use the default. */ 98 #undef TARGET_ASM_GLOBALIZE_LABEL 99 /* Globalizing directive for a label. */ 100 #define GLOBAL_ASM_OP ".globl " 101 102 /* FIXME: Hacked from the <elfos.h> one so that we avoid multiple 103 labels in a function declaration (since pa.c seems determined to do 104 it differently). */ 105 106 #undef ASM_DECLARE_FUNCTION_NAME 107 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ 108 do \ 109 { \ 110 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \ 111 ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \ 112 pa_output_function_label (FILE); \ 113 } \ 114 while (0) 115 116 /* Output function prologue for linux. */ 117 #undef TARGET_ASM_FUNCTION_PROLOGUE 118 #define TARGET_ASM_FUNCTION_PROLOGUE pa_linux_output_function_prologue 119 120 /* As well as globalizing the label, we need to encode the label 121 to ensure a plabel is generated in an indirect call. */ 122 123 #undef ASM_OUTPUT_EXTERNAL_LIBCALL 124 #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \ 125 do \ 126 { \ 127 if (!FUNCTION_NAME_P (XSTR (FUN, 0))) \ 128 pa_encode_label (FUN); \ 129 (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0)); \ 130 } \ 131 while (0) 132 133 #undef TARGET_GAS 134 #define TARGET_GAS 1 135 136 #undef TARGET_SYNC_LIBCALL 137 #define TARGET_SYNC_LIBCALL 1 138 139 /* The SYNC operations are implemented as library functions, not 140 INSN patterns. As a result, the HAVE defines for the patterns are 141 not defined. We need to define them to generate the corresponding 142 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_* and __GCC_ATOMIC_*_LOCK_FREE 143 defines. */ 144 145 #define HAVE_sync_compare_and_swapqi 1 146 #define HAVE_sync_compare_and_swaphi 1 147 #define HAVE_sync_compare_and_swapsi 1 148 #define HAVE_sync_compare_and_swapdi 1 149 150 /* It's not possible to enable GNU_stack notes since the kernel needs 151 an executable stack for signal returns and syscall restarts. */ 152 153 #undef NEED_INDICATE_EXEC_STACK 154 #define NEED_INDICATE_EXEC_STACK 0 155