diff options
| -rw-r--r-- | gcc/ChangeLog | 11 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 38 | ||||
| -rw-r--r-- | gcc/doc/tm.texi | 6 | ||||
| -rw-r--r-- | gcc/target-def.h | 5 | ||||
| -rw-r--r-- | gcc/target.h | 4 | ||||
| -rw-r--r-- | gcc/varasm.c | 2 |
6 files changed, 62 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 695809d33f3..98f460b4942 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,14 @@ +2002-09-07 Alan Modra <amodra@bigpond.net.au> + + * doc/tm.texi (TARGET_ASM_ASSEMBLE_VISIBILITY): Describe. + * target-def.h (TARGET_ASM_ASSEMBLE_VISIBILITY): Define. + (TARGET_ASM_OUT): Add the above here. + * target.h (struct gcc_target): Add "visibility" field. + * varasm.c (maybe_assemble_visibility): Call targetm visibility func. + * config/rs6000/rs6000.c (rs6000_assemble_visibility): New function. + (TARGET_ASM_ASSEMBLE_VISIBILITY): Define. + (rs6000_legitimize_reload_address, first_reg_to_save): Formatting. + 2002-09-06 Ziemowit Laski <zlaski@apple.com> * c-lang.c (objc_is_id): New stub. diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index b05b7a0119d..5f66c582231 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -186,6 +186,7 @@ static void toc_hash_mark_table PARAMS ((void *)); static int constant_pool_expr_1 PARAMS ((rtx, int *, int *)); static struct machine_function * rs6000_init_machine_status PARAMS ((void)); static bool rs6000_assemble_integer PARAMS ((rtx, unsigned int, int)); +static void rs6000_assemble_visibility PARAMS ((tree, const char *)); static int rs6000_ra_ever_killed PARAMS ((void)); static tree rs6000_handle_longcall_attribute PARAMS ((tree *, tree, tree, int, bool *)); const struct attribute_spec rs6000_attribute_table[]; @@ -344,6 +345,11 @@ static const char alt_reg_names[][8] = #undef TARGET_ASM_INTEGER #define TARGET_ASM_INTEGER rs6000_assemble_integer +#ifdef HAVE_GAS_HIDDEN +#undef TARGET_ASM_ASSEMBLE_VISIBILITY +#define TARGET_ASM_ASSEMBLE_VISIBILITY rs6000_assemble_visibility +#endif + #undef TARGET_ASM_FUNCTION_PROLOGUE #define TARGET_ASM_FUNCTION_PROLOGUE rs6000_output_function_prologue #undef TARGET_ASM_FUNCTION_EPILOGUE @@ -2249,7 +2255,7 @@ rs6000_legitimize_reload_address (x, mode, opnum, type, ind_levels, win) && REGNO (XEXP (x, 0)) < FIRST_PSEUDO_REGISTER && REG_MODE_OK_FOR_BASE_P (XEXP (x, 0), mode) && GET_CODE (XEXP (x, 1)) == CONST_INT - && !SPE_VECTOR_MODE (mode) + && !SPE_VECTOR_MODE (mode) && !ALTIVEC_VECTOR_MODE (mode)) { HOST_WIDE_INT val = INTVAL (XEXP (x, 1)); @@ -8152,6 +8158,31 @@ rs6000_assemble_integer (x, size, aligned_p) #endif /* RELOCATABLE_NEEDS_FIXUP */ return default_assemble_integer (x, size, aligned_p); } + +#ifdef HAVE_GAS_HIDDEN +/* Emit an assembler directive to set symbol visibility for DECL to + VISIBILITY_TYPE. */ + +void +rs6000_assemble_visibility (decl, visibility_type) + tree decl; + const char *visibility_type; +{ + assemble_visibility (decl, visibility_type); + + /* Functions need to have their entry point symbol visibility set as + well as their descriptor symbol visibility. */ + if (DEFAULT_ABI == ABI_AIX && TREE_CODE (decl) == FUNCTION_DECL) + { + const char *name; + + name = ((* targetm.strip_name_encoding) + (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)))); + + fprintf (asm_out_file, "\t.%s\t.%s\n", visibility_type, name); + } +} +#endif enum rtx_code rs6000_reverse_condition (mode, code) @@ -8787,8 +8818,9 @@ first_reg_to_save () break; #if TARGET_MACHO - if (flag_pic && current_function_uses_pic_offset_table && - (first_reg > RS6000_PIC_OFFSET_TABLE_REGNUM)) + if (flag_pic + && current_function_uses_pic_offset_table + && first_reg > RS6000_PIC_OFFSET_TABLE_REGNUM) return RS6000_PIC_OFFSET_TABLE_REGNUM; #endif diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 1b08358d8b3..7bc63b6619d 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -6663,6 +6663,12 @@ you want to control one-only symbol support with a compiler flag, or if setting the @code{DECL_ONE_ONLY} flag is enough to mark a declaration to be emitted as one-only. +@deftypefn {Target Hook} void TARGET_ASM_ASSEMBLE_VISIBILITY (tree @var{decl}, const char *@var{visibility}) +This target hook is a function to output to @var{asm_out_file} some +commands that will make the symbol(s) associated with @var{decl} have +hidden, protected or internal visibility as specified by @var{visibility}. +@end deftypefn + @findex ASM_OUTPUT_EXTERNAL @item ASM_OUTPUT_EXTERNAL (@var{stream}, @var{decl}, @var{name}) A C statement (sans semicolon) to output to the stdio stream diff --git a/gcc/target-def.h b/gcc/target-def.h index 897ad541fc7..939502f1e14 100644 --- a/gcc/target-def.h +++ b/gcc/target-def.h @@ -58,6 +58,10 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #define TARGET_ASM_GLOBALIZE_LABEL default_globalize_label #endif +#ifndef TARGET_ASM_ASSEMBLE_VISIBILITY +#define TARGET_ASM_ASSEMBLE_VISIBILITY assemble_visibility +#endif + #define TARGET_ASM_FUNCTION_PROLOGUE default_function_pro_epilogue #define TARGET_ASM_FUNCTION_EPILOGUE default_function_pro_epilogue #define TARGET_ASM_FUNCTION_END_PROLOGUE no_asm_to_stream @@ -149,6 +153,7 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. TARGET_ASM_UNALIGNED_INT_OP, \ TARGET_ASM_INTEGER, \ TARGET_ASM_GLOBALIZE_LABEL, \ + TARGET_ASM_ASSEMBLE_VISIBILITY, \ TARGET_ASM_FUNCTION_PROLOGUE, \ TARGET_ASM_FUNCTION_END_PROLOGUE, \ TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, \ diff --git a/gcc/target.h b/gcc/target.h index 6bb1bb0aa64..f68cfb13632 100644 --- a/gcc/target.h +++ b/gcc/target.h @@ -72,6 +72,10 @@ struct gcc_target /* Output code that will globalize a label. */ void (* globalize_label) PARAMS ((FILE *, const char *)); + /* Emit an assembler directive to set visibility for the symbol + associated with the tree decl. */ + void (* visibility) PARAMS ((tree, const char *)); + /* Output the assembler code for entry to a function. */ void (* function_prologue) PARAMS ((FILE *, HOST_WIDE_INT)); diff --git a/gcc/varasm.c b/gcc/varasm.c index 216e1441216..2d214a0f065 100644 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -4624,7 +4624,7 @@ maybe_assemble_visibility (decl) { const char *type = TREE_STRING_POINTER (TREE_VALUE (TREE_VALUE (visibility))); - assemble_visibility (decl, type); + (* targetm.asm_out.visibility) (decl, type); } } |