diff options
Diffstat (limited to 'gprof/corefile.c')
-rw-r--r-- | gprof/corefile.c | 104 |
1 files changed, 101 insertions, 3 deletions
diff --git a/gprof/corefile.c b/gprof/corefile.c index 1f2575f3614..6ddb52b3f03 100644 --- a/gprof/corefile.c +++ b/gprof/corefile.c @@ -1,6 +1,6 @@ /* corefile.c - Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008 + Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc. This file is part of GNU Binutils. @@ -33,13 +33,13 @@ bfd *core_bfd; static int core_num_syms; static asymbol **core_syms; asection *core_text_sect; -PTR core_text_space; +void * core_text_space; static int min_insn_size; int offset_to_code; /* For mapping symbols to specific .o files during file ordering. */ -struct function_map *symbol_map; +struct function_map * symbol_map; unsigned int symbol_map_count; static void read_function_mappings (const char *); @@ -434,6 +434,104 @@ get_src_info (bfd_vma addr, const char **filename, const char **name, int *line_ } } +/* Return number of symbols in a symbol-table file. */ + +static int +num_of_syms_in (FILE * f) +{ + const int BUFSIZE = 1024; + char * buf = (char *) xmalloc (BUFSIZE); + char * address = (char *) xmalloc (BUFSIZE); + char type; + char * name = (char *) xmalloc (BUFSIZE); + int num = 0; + + while (!feof (f) && fgets (buf, BUFSIZE - 1, f)) + { + if (sscanf (buf, "%s %c %s", address, &type, name) == 3) + if (type == 't' || type == 'T') + ++num; + } + + free (buf); + free (address); + free (name); + + return num; +} + +/* Read symbol table from a file. */ + +void +core_create_syms_from (const char * sym_table_file) +{ + const int BUFSIZE = 1024; + char * buf = (char *) xmalloc (BUFSIZE); + char * address = (char *) xmalloc (BUFSIZE); + char type; + char * name = (char *) xmalloc (BUFSIZE); + bfd_vma min_vma = ~(bfd_vma) 0; + bfd_vma max_vma = 0; + FILE * f; + + f = fopen (sym_table_file, "r"); + if (!f) + { + fprintf (stderr, _("%s: could not open %s.\n"), whoami, sym_table_file); + done (1); + } + + /* Pass 1 - determine upper bound on number of function names. */ + symtab.len = num_of_syms_in (f); + + if (symtab.len == 0) + { + fprintf (stderr, _("%s: file `%s' has no symbols\n"), whoami, sym_table_file); + done (1); + } + + symtab.base = (Sym *) xmalloc (symtab.len * sizeof (Sym)); + + /* Pass 2 - create symbols. */ + symtab.limit = symtab.base; + + if (fseek (f, 0, SEEK_SET) != 0) + { + perror (sym_table_file); + done (1); + } + + while (!feof (f) && fgets (buf, sizeof (buf), f)) + { + if (sscanf (buf, "%s %c %s", address, &type, name) == 3) + if (type != 't' && type != 'T') + continue; + + sym_init (symtab.limit); + + sscanf (address, "%lx", &(symtab.limit->addr) ); + + symtab.limit->name = (char *) xmalloc (strlen (name) + 1); + strcpy ((char *) symtab.limit->name, name); + symtab.limit->mapped = 0; + symtab.limit->is_func = TRUE; + symtab.limit->is_bb_head = TRUE; + symtab.limit->is_static = (type == 't'); + min_vma = MIN (symtab.limit->addr, min_vma); + max_vma = MAX (symtab.limit->addr, max_vma); + + ++symtab.limit; + } + fclose (f); + + symtab.len = symtab.limit - symtab.base; + symtab_finalize (&symtab); + + free (buf); + free (address); + free (name); +} + /* Read in symbol table from core. One symbol per function is entered. */ |