SOURCES: gcc-pr20218.patch (NEW) - updated version (works on ix86, ...
pluto
pluto at pld-linux.org
Tue Dec 6 18:53:29 CET 2005
Author: pluto Date: Tue Dec 6 17:53:29 2005 GMT
Module: SOURCES Tag: HEAD
---- Log message:
- updated version (works on ix86, x86-64. ppc needs port).
---- Files affected:
SOURCES:
gcc-pr20218.patch (1.3 -> 1.4) (NEW)
---- Diffs:
================================================================
Index: SOURCES/gcc-pr20218.patch
diff -u /dev/null SOURCES/gcc-pr20218.patch:1.4
--- /dev/null Tue Dec 6 18:53:29 2005
+++ SOURCES/gcc-pr20218.patch Tue Dec 6 18:53:24 2005
@@ -0,0 +1,195 @@
+diff -uNrp gcc-4_1-branch/gcc.orig/config/elfos.h gcc-4_1-branch/gcc/config/elfos.h
+--- gcc-4_1-branch/gcc.orig/config/elfos.h 2005-11-30 11:16:19.000000000 +0000
++++ gcc-4_1-branch/gcc/config/elfos.h 2005-12-06 17:42:34.002991368 +0000
+@@ -487,3 +487,17 @@ Boston, MA 02110-1301, USA. */
+ fprintf ((FILE), "\"\n"); \
+ } \
+ while (0)
++
++/* A C statement (sans semicolon) to output to the stdio stream STREAM
++ any text necessary for declaring the name of an external symbol
++ named NAME whch is referenced in this compilation but not defined.
++ It is needed to properly support non-default visibility. */
++
++#ifndef ASM_OUTPUT_EXTERNAL
++#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
++ default_elf_asm_output_external (FILE, DECL, NAME)
++#endif
++
++#ifndef TARGET_ASM_FILE_END
++#define TARGET_ASM_FILE_END default_elf_asm_file_end
++#endif
+diff -uNrp gcc-4_1-branch/gcc.orig/config/i386/i386-protos.h gcc-4_1-branch/gcc/config/i386/i386-protos.h
+--- gcc-4_1-branch/gcc.orig/config/i386/i386-protos.h 2005-11-30 11:15:19.000000000 +0000
++++ gcc-4_1-branch/gcc/config/i386/i386-protos.h 2005-12-06 17:42:34.002991368 +0000
+@@ -28,6 +28,7 @@ extern int ix86_frame_pointer_required (
+ extern void ix86_setup_frame_addresses (void);
+
+ extern void ix86_file_end (void);
++extern void ix86_elf_file_end (void);
+ extern HOST_WIDE_INT ix86_initial_elimination_offset (int, int);
+ extern void ix86_expand_prologue (void);
+ extern void ix86_expand_epilogue (int);
+diff -uNrp gcc-4_1-branch/gcc.orig/config/i386/i386.c gcc-4_1-branch/gcc/config/i386/i386.c
+--- gcc-4_1-branch/gcc.orig/config/i386/i386.c 2005-12-06 17:39:59.080543160 +0000
++++ gcc-4_1-branch/gcc/config/i386/i386.c 2005-12-06 17:42:34.010990152 +0000
+@@ -4417,6 +4417,13 @@ ix86_file_end (void)
+ file_end_indicate_exec_stack ();
+ }
+
++void
++ix86_elf_file_end (void)
++{
++ ix86_file_end ();
++ default_elf_asm_file_end ();
++}
++
+ /* Emit code for the SET_GOT patterns. */
+
+ const char *
+diff -uNrp gcc-4_1-branch/gcc.orig/config/i386/i386.h gcc-4_1-branch/gcc/config/i386/i386.h
+--- gcc-4_1-branch/gcc.orig/config/i386/i386.h 2005-11-30 11:15:19.000000000 +0000
++++ gcc-4_1-branch/gcc/config/i386/i386.h 2005-12-06 17:48:04.665722992 +0000
+@@ -1513,7 +1513,7 @@ typedef struct ix86_args {
+ #define EXPAND_BUILTIN_VA_START(VALIST, NEXTARG) \
+ ix86_va_start (VALIST, NEXTARG)
+
+-#define TARGET_ASM_FILE_END ix86_file_end
++#define TARGET_ASM_FILE_END ix86_elf_file_end
+ #define NEED_INDICATE_EXEC_STACK 0
+
+ /* Output assembler code to FILE to increment profiler label # LABELNO
+diff -uNrp gcc-4_1-branch/gcc.orig/output.h gcc-4_1-branch/gcc/output.h
+--- gcc-4_1-branch/gcc.orig/output.h 2005-11-30 11:16:27.000000000 +0000
++++ gcc-4_1-branch/gcc/output.h 2005-12-06 17:42:34.018988936 +0000
+@@ -586,6 +586,12 @@ extern void default_file_start (void);
+ extern void file_end_indicate_exec_stack (void);
+ extern bool default_valid_pointer_mode (enum machine_mode);
+
++extern void default_elf_asm_output_external (FILE *file, tree,
++ const char *);
++extern void default_elf_asm_output_external_1 (tree);
++extern void default_elf_asm_file_end (void);
++extern int maybe_assemble_visibility (tree);
++
+ extern int default_address_cost (rtx);
+
+ /* dbxout helper functions */
+diff -uNrp gcc-4_1-branch/gcc.orig/tree.h gcc-4_1-branch/gcc/tree.h
+--- gcc-4_1-branch/gcc.orig/tree.h 2005-11-30 11:16:27.000000000 +0000
++++ gcc-4_1-branch/gcc/tree.h 2005-12-06 17:42:34.022988328 +0000
+@@ -4070,6 +4070,17 @@ extern void process_pending_assemble_ext
+ extern void finish_aliases_1 (void);
+ extern void finish_aliases_2 (void);
+
++/* Linked list of all external symbols that are to be emitted by
++ GCC. */
++
++struct extern_symbol_list GTY(())
++{
++ struct extern_symbol_list *next;
++ tree decl;
++};
++
++extern GTY(()) struct extern_symbol_list *extern_symbol_head;
++
+ /* In stmt.c */
+ extern void expand_computed_goto (tree);
+ extern bool parse_output_constraint (const char **, int, int, int,
+diff -uNrp gcc-4_1-branch/gcc.orig/varasm.c gcc-4_1-branch/gcc/varasm.c
+--- gcc-4_1-branch/gcc.orig/varasm.c 2005-11-30 11:16:27.000000000 +0000
++++ gcc-4_1-branch/gcc/varasm.c 2005-12-06 17:42:34.026987720 +0000
+@@ -126,7 +126,6 @@ static unsigned HOST_WIDE_INT array_size
+ static unsigned min_align (unsigned, unsigned);
+ static void output_constructor (tree, unsigned HOST_WIDE_INT, unsigned int);
+ static void globalize_decl (tree);
+-static void maybe_assemble_visibility (tree);
+ static int in_named_entry_eq (const void *, const void *);
+ static hashval_t in_named_entry_hash (const void *);
+ static void initialize_cold_section_name (void);
+@@ -4952,13 +4951,18 @@ default_assemble_visibility (tree decl,
+
+ /* A helper function to call assemble_visibility when needed for a decl. */
+
+-static void
++int
+ maybe_assemble_visibility (tree decl)
+ {
+ enum symbol_visibility vis = DECL_VISIBILITY (decl);
+
+ if (vis != VISIBILITY_DEFAULT)
+- targetm.asm_out.visibility (decl, vis);
++ {
++ targetm.asm_out.visibility (decl, vis);
++ return 1;
++ }
++ else
++ return 0;
+ }
+
+ /* Returns 1 if the target configuration supports defining public symbols
+@@ -5725,4 +5729,64 @@ file_end_indicate_exec_stack (void)
+ named_section_flags (".note.GNU-stack", flags);
+ }
+
++struct extern_symbol_list *extern_symbol_head;
++
++void
++default_elf_asm_output_external_1 (tree decl)
++{
++ struct extern_symbol_list *p
++ = ggc_alloc (sizeof (struct extern_symbol_list));
++
++ p->decl = decl;
++ p->next = extern_symbol_head;
++ extern_symbol_head = p;
++}
++
++/* Emit text to declare externally defined symbols. It is needed to
++ properly support non-default visibility. */
++
++void
++default_elf_asm_output_external (FILE *file ATTRIBUTE_UNUSED,
++ tree decl,
++ const char *name)
++{
++ /* Ignore builtin functions. */
++ if (TREE_CODE (decl) == FUNCTION_DECL
++ && strstr (name, "__builtin_") == name)
++ return;
++ else
++ default_elf_asm_output_external_1 (decl);
++}
++
++/* Print out the list of referenced global symbols with non-default
++ visibility. */
++
++void
++default_elf_asm_file_end (void)
++{
++ struct extern_symbol_list *p;
++
++ for (p = extern_symbol_head; p; p = p->next)
++ {
++ tree decl = p->decl;
++ tree id = DECL_ASSEMBLER_NAME (decl);
++
++ if (!id)
++ abort ();
++
++ /* We output the name if and only if TREE_SYMBOL_REFERENCED is
++ set in order to avoid putting out names that are never really
++ used. */
++ if (targetm.binds_local_p (decl)
++ && !TREE_ASM_WRITTEN (decl)
++ && TREE_SYMBOL_REFERENCED (id))
++ {
++ maybe_assemble_visibility (decl);
++ TREE_ASM_WRITTEN (decl) = 1;
++ }
++ }
++
++ extern_symbol_head = 0;
++}
++
+ #include "gt-varasm.h"
================================================================
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