1 diff -uNrp gcc-4_1-branch/gcc.orig/config/elfos.h gcc-4_1-branch/gcc/config/elfos.h
2 --- gcc-4_1-branch/gcc.orig/config/elfos.h 2005-11-30 11:16:19.000000000 +0000
3 +++ gcc-4_1-branch/gcc/config/elfos.h 2005-12-06 17:42:34.002991368 +0000
4 @@ -487,3 +487,17 @@ Boston, MA 02110-1301, USA. */
5 fprintf ((FILE), "\"\n"); \
9 +/* A C statement (sans semicolon) to output to the stdio stream STREAM
10 + any text necessary for declaring the name of an external symbol
11 + named NAME whch is referenced in this compilation but not defined.
12 + It is needed to properly support non-default visibility. */
14 +#ifndef ASM_OUTPUT_EXTERNAL
15 +#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
16 + default_elf_asm_output_external (FILE, DECL, NAME)
19 +#ifndef TARGET_ASM_FILE_END
20 +#define TARGET_ASM_FILE_END default_elf_asm_file_end
22 diff -uNrp gcc-4_1-branch/gcc.orig/config/i386/i386-protos.h gcc-4_1-branch/gcc/config/i386/i386-protos.h
23 --- gcc-4_1-branch/gcc.orig/config/i386/i386-protos.h 2005-11-30 11:15:19.000000000 +0000
24 +++ gcc-4_1-branch/gcc/config/i386/i386-protos.h 2005-12-06 17:42:34.002991368 +0000
25 @@ -28,6 +28,7 @@ extern int ix86_frame_pointer_required (
26 extern void ix86_setup_frame_addresses (void);
28 extern void ix86_file_end (void);
29 +extern void ix86_elf_file_end (void);
30 extern HOST_WIDE_INT ix86_initial_elimination_offset (int, int);
31 extern void ix86_expand_prologue (void);
32 extern void ix86_expand_epilogue (int);
33 diff -uNrp gcc-4_1-branch/gcc.orig/config/i386/i386.c gcc-4_1-branch/gcc/config/i386/i386.c
34 --- gcc-4_1-branch/gcc.orig/config/i386/i386.c 2005-12-06 17:39:59.080543160 +0000
35 +++ gcc-4_1-branch/gcc/config/i386/i386.c 2005-12-06 17:42:34.010990152 +0000
36 @@ -4417,6 +4417,13 @@ ix86_file_end (void)
37 file_end_indicate_exec_stack ();
41 +ix86_elf_file_end (void)
44 + default_elf_asm_file_end ();
47 /* Emit code for the SET_GOT patterns. */
50 diff -uNrp gcc-4_1-branch/gcc.orig/config/i386/i386.h gcc-4_1-branch/gcc/config/i386/i386.h
51 --- gcc-4_1-branch/gcc.orig/config/i386/i386.h 2005-11-30 11:15:19.000000000 +0000
52 +++ gcc-4_1-branch/gcc/config/i386/i386.h 2005-12-06 17:48:04.665722992 +0000
53 @@ -1513,7 +1513,7 @@ typedef struct ix86_args {
54 #define EXPAND_BUILTIN_VA_START(VALIST, NEXTARG) \
55 ix86_va_start (VALIST, NEXTARG)
57 -#define TARGET_ASM_FILE_END ix86_file_end
58 +#define TARGET_ASM_FILE_END ix86_elf_file_end
59 #define NEED_INDICATE_EXEC_STACK 0
61 /* Output assembler code to FILE to increment profiler label # LABELNO
62 diff -uNrp gcc-4_1-branch/gcc.orig/config/rs6000/linux.h gcc-4_1-branch/gcc/config/rs6000/linux.h
63 --- gcc-4_1-branch/gcc.orig/config/rs6000/linux.h 2005-11-30 11:15:31.000000000 +0000
64 +++ gcc-4_1-branch/gcc/config/rs6000/linux.h 2005-12-06 20:02:14.949860336 +0000
66 #define RELOCATABLE_NEEDS_FIXUP \
67 (target_flags & target_flags_explicit & MASK_RELOCATABLE)
69 -#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
70 +#undef TARGET_ASM_FILE_END
71 +#define TARGET_ASM_FILE_END rs6000_elf_file_end
73 #define TARGET_POSIX_IO
75 diff -uNrp gcc-4_1-branch/gcc.orig/config/rs6000/linux64.h gcc-4_1-branch/gcc/config/rs6000/linux64.h
76 --- gcc-4_1-branch/gcc.orig/config/rs6000/linux64.h 2005-11-30 11:15:31.000000000 +0000
77 +++ gcc-4_1-branch/gcc/config/rs6000/linux64.h 2005-12-06 20:02:03.882542824 +0000
78 @@ -543,7 +543,8 @@ while (0)
79 #undef DRAFT_V4_STRUCT_RET
80 #define DRAFT_V4_STRUCT_RET (!TARGET_64BIT)
82 -#define TARGET_ASM_FILE_END rs6000_elf_end_indicate_exec_stack
83 +#undef TARGET_ASM_FILE_END
84 +#define TARGET_ASM_FILE_END rs6000_elf_file_end
86 #define TARGET_POSIX_IO
88 diff -uNrp gcc-4_1-branch/gcc.orig/config/rs6000/rs6000.c gcc-4_1-branch/gcc/config/rs6000/rs6000.c
89 --- gcc-4_1-branch/gcc.orig/config/rs6000/rs6000.c 2005-11-30 11:15:31.000000000 +0000
90 +++ gcc-4_1-branch/gcc/config/rs6000/rs6000.c 2005-12-06 20:17:39.014381176 +0000
91 @@ -611,7 +611,7 @@ static void rs6000_file_start (void);
92 static unsigned int rs6000_elf_section_type_flags (tree, const char *, int);
93 static void rs6000_elf_asm_out_constructor (rtx, int);
94 static void rs6000_elf_asm_out_destructor (rtx, int);
95 -static void rs6000_elf_end_indicate_exec_stack (void) ATTRIBUTE_UNUSED;
96 +static void rs6000_elf_file_end (void) ATTRIBUTE_UNUSED;
97 static void rs6000_elf_select_section (tree, int, unsigned HOST_WIDE_INT);
98 static void rs6000_elf_unique_section (tree, int);
99 static void rs6000_elf_select_rtx_section (enum machine_mode, rtx,
100 @@ -18060,10 +18060,11 @@ rs6000_elf_declare_function_name (FILE *
104 -rs6000_elf_end_indicate_exec_stack (void)
105 +rs6000_elf_file_end (void)
108 file_end_indicate_exec_stack ();
109 + default_elf_asm_file_end ();
113 diff -uNrp gcc-4_1-branch/gcc.orig/output.h gcc-4_1-branch/gcc/output.h
114 --- gcc-4_1-branch/gcc.orig/output.h 2005-11-30 11:16:27.000000000 +0000
115 +++ gcc-4_1-branch/gcc/output.h 2005-12-06 17:42:34.018988936 +0000
116 @@ -586,6 +586,12 @@ extern void default_file_start (void);
117 extern void file_end_indicate_exec_stack (void);
118 extern bool default_valid_pointer_mode (enum machine_mode);
120 +extern void default_elf_asm_output_external (FILE *file, tree,
122 +extern void default_elf_asm_output_external_1 (tree);
123 +extern void default_elf_asm_file_end (void);
124 +extern int maybe_assemble_visibility (tree);
126 extern int default_address_cost (rtx);
128 /* dbxout helper functions */
129 diff -uNrp gcc-4_1-branch/gcc.orig/tree.h gcc-4_1-branch/gcc/tree.h
130 --- gcc-4_1-branch/gcc.orig/tree.h 2005-11-30 11:16:27.000000000 +0000
131 +++ gcc-4_1-branch/gcc/tree.h 2005-12-06 17:42:34.022988328 +0000
132 @@ -4070,6 +4070,17 @@ extern void process_pending_assemble_ext
133 extern void finish_aliases_1 (void);
134 extern void finish_aliases_2 (void);
136 +/* Linked list of all external symbols that are to be emitted by
139 +struct extern_symbol_list GTY(())
141 + struct extern_symbol_list *next;
145 +extern GTY(()) struct extern_symbol_list *extern_symbol_head;
148 extern void expand_computed_goto (tree);
149 extern bool parse_output_constraint (const char **, int, int, int,
150 diff -uNrp gcc-4_1-branch/gcc.orig/varasm.c gcc-4_1-branch/gcc/varasm.c
151 --- gcc-4_1-branch/gcc.orig/varasm.c 2005-11-30 11:16:27.000000000 +0000
152 +++ gcc-4_1-branch/gcc/varasm.c 2005-12-06 17:42:34.026987720 +0000
153 @@ -126,7 +126,6 @@ static unsigned HOST_WIDE_INT array_size
154 static unsigned min_align (unsigned, unsigned);
155 static void output_constructor (tree, unsigned HOST_WIDE_INT, unsigned int);
156 static void globalize_decl (tree);
157 -static void maybe_assemble_visibility (tree);
158 static int in_named_entry_eq (const void *, const void *);
159 static hashval_t in_named_entry_hash (const void *);
160 static void initialize_cold_section_name (void);
161 @@ -4952,13 +4951,18 @@ default_assemble_visibility (tree decl,
163 /* A helper function to call assemble_visibility when needed for a decl. */
167 maybe_assemble_visibility (tree decl)
169 enum symbol_visibility vis = DECL_VISIBILITY (decl);
171 if (vis != VISIBILITY_DEFAULT)
172 - targetm.asm_out.visibility (decl, vis);
174 + targetm.asm_out.visibility (decl, vis);
181 /* Returns 1 if the target configuration supports defining public symbols
182 @@ -5725,4 +5729,64 @@ file_end_indicate_exec_stack (void)
183 named_section_flags (".note.GNU-stack", flags);
186 +struct extern_symbol_list *extern_symbol_head;
189 +default_elf_asm_output_external_1 (tree decl)
191 + struct extern_symbol_list *p
192 + = ggc_alloc (sizeof (struct extern_symbol_list));
195 + p->next = extern_symbol_head;
196 + extern_symbol_head = p;
199 +/* Emit text to declare externally defined symbols. It is needed to
200 + properly support non-default visibility. */
203 +default_elf_asm_output_external (FILE *file ATTRIBUTE_UNUSED,
207 + /* Ignore builtin functions. */
208 + if (TREE_CODE (decl) == FUNCTION_DECL
209 + && strstr (name, "__builtin_") == name)
212 + default_elf_asm_output_external_1 (decl);
215 +/* Print out the list of referenced global symbols with non-default
219 +default_elf_asm_file_end (void)
221 + struct extern_symbol_list *p;
223 + for (p = extern_symbol_head; p; p = p->next)
225 + tree decl = p->decl;
226 + tree id = DECL_ASSEMBLER_NAME (decl);
231 + /* We output the name if and only if TREE_SYMBOL_REFERENCED is
232 + set in order to avoid putting out names that are never really
234 + if (targetm.binds_local_p (decl)
235 + && !TREE_ASM_WRITTEN (decl)
236 + && TREE_SYMBOL_REFERENCED (id))
238 + maybe_assemble_visibility (decl);
239 + TREE_ASM_WRITTEN (decl) = 1;
243 + extern_symbol_head = 0;
246 #include "gt-varasm.h"