diff options
Diffstat (limited to 'gcc/dbxout.c')
| -rw-r--r-- | gcc/dbxout.c | 149 |
1 files changed, 136 insertions, 13 deletions
diff --git a/gcc/dbxout.c b/gcc/dbxout.c index 39f0d554501..6f34ac92a3d 100644 --- a/gcc/dbxout.c +++ b/gcc/dbxout.c @@ -88,6 +88,9 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include "function.h" #include "target.h" #include "langhooks.h" +/* APPLE LOCAL begin Constructors return THIS turly 20020315 */ +/* FIXME: dbxout.c should not need language-specific headers. */ +#include "c-common.h" #ifdef XCOFF_DEBUGGING_INFO #include "xcoffout.h" @@ -338,6 +341,13 @@ static void emit_pending_bincls (void); #endif static inline void emit_pending_bincls_if_required (void); +/* APPLE LOCAL begin Symbol Separtion */ +static void dbxout_restore_write_symbols (void); +static void dbxout_clear_write_symbols (const char *, unsigned long); +static void dbxout_start_symbol_repository (unsigned int, const char *, unsigned long); +static void dbxout_end_symbol_repository (unsigned int); +/* APPLE LOCAL end Symbol Separation */ + static void dbxout_init (const char *); static void dbxout_finish (const char *); static void dbxout_start_source_file (unsigned, const char *); @@ -408,7 +418,13 @@ const struct gcc_debug_hooks dbx_debug_hooks = debug_nothing_tree, /* deferred_inline_function */ debug_nothing_tree, /* outlining_inline_function */ debug_nothing_rtx, /* label */ - dbxout_handle_pch, /* handle_pch */ + dbxout_handle_pch, /* handle_pch */ + /* APPLE LOCAL begin Symbol Separation */ + dbxout_restore_write_symbols, + dbxout_clear_write_symbols, + dbxout_start_symbol_repository, + dbxout_end_symbol_repository, + /* APPLE LOCAL end Symbol Separation */ debug_nothing_rtx /* var_location */ }; #endif /* DBX_DEBUGGING_INFO */ @@ -439,6 +455,12 @@ const struct gcc_debug_hooks xcoff_debug_hooks = debug_nothing_tree, /* outlining_inline_function */ debug_nothing_rtx, /* label */ dbxout_handle_pch, /* handle_pch */ + /* APPLE LOCAL begin Symbol Separtion */ + debug_nothing_void, /* restore write_symbols */ + debug_nothing_void, /* clear write_symbols */ + debug_nothing_void, /* start repository */ + debug_nothing_void, /* end repository */ + /* APPLE LOCAL end Symbol Separation */ debug_nothing_rtx /* var_location */ }; #endif /* XCOFF_DEBUGGING_INFO */ @@ -448,6 +470,9 @@ static void dbxout_function_end (void) { char lscope_label_name[100]; + /* APPLE LOCAL begin hot/cold partitioning */ + function_section (current_function_decl); + /* APPLE LOCAL end hot/cold partitioning */ /* Convert Ltext into the appropriate format for local labels in case the system doesn't insert underscores in front of user generated labels. */ @@ -501,9 +526,9 @@ dbxout_init (const char *input_file_name) #else /* no DBX_OUTPUT_MAIN_SOURCE_DIRECTORY */ fprintf (asmfile, "%s", ASM_STABS_OP); output_quoted_string (asmfile, cwd); - fprintf (asmfile, ",%d,0,0,", N_SO); - assemble_name (asmfile, ltext_label_name); - fputc ('\n', asmfile); + /* APPLE LOCAL begin 3109828 fix */ + fprintf (asmfile, ",%d,0,0,0\n", N_SO); + /* APPLE LOCAL end 3109828 fix */ #endif /* no DBX_OUTPUT_MAIN_SOURCE_DIRECTORY */ } } @@ -516,10 +541,10 @@ dbxout_init (const char *input_file_name) /* Used to put `Ltext:' before the reference, but that loses on sun 4. */ fprintf (asmfile, "%s", ASM_STABS_OP); output_quoted_string (asmfile, input_file_name); - fprintf (asmfile, ",%d,0,0,", N_SO); - assemble_name (asmfile, ltext_label_name); - fputc ('\n', asmfile); + /* APPLE LOCAL begin 3109828 fix */ + fprintf (asmfile, ",%d,0,0,0\n", N_SO); text_section (); + /* APPLE LOCAL end 3109828 fix */ (*targetm.asm_out.internal_label) (asmfile, "Ltext", 0); #endif /* no DBX_OUTPUT_MAIN_SOURCE_FILENAME */ @@ -546,6 +571,20 @@ dbxout_init (const char *input_file_name) current_file->pending_bincl_name = NULL; #endif + /* Make sure that types `int' and `char' have numbers 1 and 2. + Definitions of other integer types will refer to those numbers. + (Actually it should no longer matter what their numbers are. + Also, if any types with tags have been defined, dbxout_symbol + will output them first, so the numbers won't be 1 and 2. That + happens in C++. So it's a good thing it should no longer matter). */ + +/* APPLE LOCAL gdb only used symbols */ +#ifndef DBX_ONLY_USED_SYMBOLS + dbxout_symbol (TYPE_NAME (integer_type_node), 0); + dbxout_symbol (TYPE_NAME (char_type_node), 0); +/* APPLE LOCAL gdb only used symbols */ +#endif + /* Get all permanent types that have typedef names, and output them all, except for those already output. Some language front ends put these declarations in the top-level scope; some do not; @@ -581,6 +620,59 @@ dbxout_typedefs (tree syms) } } +/* APPLE LOCAL begin Symbol Separation */ +/* Restore write_symbols */ +static void +dbxout_restore_write_symbols (void) +{ + if (flag_grepository) + write_symbols = orig_write_symbols; +} + +/* Clear write_symbols and emit EXCL stab. */ +static void +dbxout_clear_write_symbols (const char *filename, unsigned long checksum) +{ + if (flag_grepository) + { + write_symbols = NO_DEBUG; + fprintf (asmfile, "%s", ASM_STABS_OP); + output_quoted_string (asmfile, filename); + fprintf (asmfile, ",%d,0,0,%ld\n", N_EXCL, checksum); + } +} + +/* Start symbol repository */ +/* Add checksum with BINCL. */ +static void +dbxout_start_symbol_repository (unsigned int lineno ATTRIBUTE_UNUSED, + const char *filename ATTRIBUTE_UNUSED, + unsigned long checksum ATTRIBUTE_UNUSED) +{ +#ifdef DBX_USE_BINCL + struct dbx_file *n = (struct dbx_file *) xmalloc (sizeof *n); + + n->next = current_file; + n->file_number = next_file_number++; + n->next_type_number = 1; + current_file = n; + fprintf (asmfile, "%s", ASM_STABS_OP); + output_quoted_string (asmfile, filename); + fprintf (asmfile, ",%d,0,0,%ld\n", N_BINCL, checksum); +#endif +} + +/* End symbol repository */ +static void +dbxout_end_symbol_repository (unsigned int lineno ATTRIBUTE_UNUSED) +{ +#ifdef DBX_USE_BINCL + fprintf (asmfile, "%s%d,0,0,0\n", ASM_STABN_OP, N_EINCL); + current_file = current_file->next; +#endif +} +/* APPLE LOCAL end Symbol Separation */ + #ifdef DBX_USE_BINCL /* Emit BINCL stab using given name. */ static void @@ -648,6 +740,14 @@ dbxout_start_source_file (unsigned int line ATTRIBUTE_UNUSED, #ifdef DBX_USE_BINCL struct dbx_file *n = xmalloc (sizeof *n); + /* APPLE LOCAL begin Symbol Separation */ + if (write_symbols == NO_DEBUG) + { + n = NULL; + return; + } + /* APPLE LOCAL end Symbol Separation */ + n->next = current_file; n->next_type_number = 1; /* Do not assign file number now. @@ -668,6 +768,11 @@ static void dbxout_end_source_file (unsigned int line ATTRIBUTE_UNUSED) { #ifdef DBX_USE_BINCL + /* APPLE LOCAL begin Symbol Separation */ + if (write_symbols == NO_DEBUG) + return; + /* APPLE LOCAL end Symbol Separation */ + /* Emit EINCL stab only if BINCL is not pending. */ if (current_file->bincl_status == BINCL_PROCESSED) fprintf (asmfile, "%s%d,0,0,0\n", ASM_STABN_OP, N_EINCL); @@ -721,14 +826,16 @@ dbxout_source_file (FILE *file, const char *filename) source_label_number); fprintf (file, "%s", ASM_STABS_OP); output_quoted_string (file, filename); - fprintf (asmfile, ",%d,0,0,", N_SOL); - assemble_name (asmfile, ltext_label_name); - fputc ('\n', asmfile); - if (current_function_decl != NULL_TREE - && DECL_SECTION_NAME (current_function_decl) != NULL_TREE) + /* APPLE LOCAL 310928 fix */ + fprintf (asmfile, ",%d,0,0,0\n", N_SOL); + /* APPLE LOCAL begin hot/cold partitioning */ + if ((current_function_decl != NULL_TREE + && DECL_SECTION_NAME (current_function_decl) != NULL_TREE) + || flag_reorder_blocks_and_partition) ; /* Don't change section amid function. */ else text_section (); + /* APPLE LOCAL end hot/cold partitioning */ (*targetm.asm_out.internal_label) (file, "Ltext", source_label_number); source_label_number++; lastfile = filename; @@ -2218,7 +2325,14 @@ dbxout_symbol (tree decl, int local ATTRIBUTE_UNUSED) int tag_needed = 1; int did_output = 0; - if (DECL_NAME (decl)) + if (DECL_NAME (decl) + /* APPLE LOCAL begin gdb only used symbols */ +#ifdef DBX_ONLY_USED_SYMBOLS + /* Do not generate a tag for incomplete records */ + && (COMPLETE_TYPE_P (type) || TREE_CODE (type) == VOID_TYPE) +#endif + /* APPLE LOCAL end gdb only used symbols */ + ) { /* Nonzero means we must output a tag as well as a typedef. */ tag_needed = 0; @@ -3195,6 +3309,15 @@ dbxout_begin_function (tree decl) dbxout_parms (DECL_ARGUMENTS (decl)); if (DECL_NAME (DECL_RESULT (decl)) != 0) + /* APPLE LOCAL begin Constructors return THIS turly 20020315 */ +#ifdef POSSIBLY_COMPILING_APPLE_KEXT_P + /* We cheat with kext constructors: DECL_RESULT is "this", but "this" + is actually the first parameter, so don't confuse matters by + outputting the same parameter twice. */ + if (!(POSSIBLY_COMPILING_APPLE_KEXT_P () + && DECL_RESULT (decl) == DECL_ARGUMENTS (decl))) +#endif + /* APPLE LOCAL end Constructors return THIS turly 20020315 */ dbxout_symbol (DECL_RESULT (decl), 1); } #endif /* DBX_DEBUGGING_INFO */ |