diff options
Diffstat (limited to 'gprof/corefile.c')
| -rw-r--r-- | gprof/corefile.c | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/gprof/corefile.c b/gprof/corefile.c index 7081ca5..90d4149 100644 --- a/gprof/corefile.c +++ b/gprof/corefile.c @@ -142,6 +142,7 @@ void core_init (aout_name) const char *aout_name; { + int core_sym_bytes; core_bfd = bfd_openr (aout_name, 0); if (!core_bfd) @@ -172,15 +173,15 @@ core_init (aout_name) /* Read core's symbol table. */ /* This will probably give us more than we need, but that's ok. */ - core_num_syms = bfd_get_symtab_upper_bound (core_bfd); - if (core_num_syms < 0) + core_sym_bytes = bfd_get_symtab_upper_bound (core_bfd); + if (core_sym_bytes < 0) { fprintf (stderr, "%s: %s: %s\n", whoami, aout_name, bfd_errmsg (bfd_get_error ())); done (1); } - core_syms = (asymbol **) xmalloc (core_num_syms); + core_syms = (asymbol **) xmalloc (core_sym_bytes); core_num_syms = bfd_canonicalize_symtab (core_bfd, core_syms); if (core_num_syms < 0) @@ -405,8 +406,7 @@ get_src_info (addr, filename, name, line_num) One symbol per function is entered. */ void -core_create_function_syms (cbfd) - bfd *cbfd ATTRIBUTE_UNUSED; +core_create_function_syms () { bfd_vma min_vma = ~(bfd_vma) 0; bfd_vma max_vma = 0; @@ -592,13 +592,11 @@ core_create_function_syms (cbfd) One symbol per line of source code is entered. */ void -core_create_line_syms (cbfd) - bfd *cbfd; +core_create_line_syms () { char *prev_name, *prev_filename; unsigned int prev_name_len, prev_filename_len; bfd_vma vma, min_vma = ~(bfd_vma) 0, max_vma = 0; - bfd_vma offset; Sym *prev, dummy, *sentinel, *sym; const char *filename; int prev_line_num; @@ -607,9 +605,9 @@ core_create_line_syms (cbfd) /* Create symbols for functions as usual. This is necessary in cases where parts of a program were not compiled with -g. For those parts we still want to get info at the function level. */ - core_create_function_syms (cbfd); + core_create_function_syms (); - /* Pass 1 - counter number of symbols. */ + /* Pass 1: count the number of symbols. */ /* To find all line information, walk through all possible text-space addresses (one by one!) and get the debugging @@ -617,7 +615,7 @@ core_create_line_syms (cbfd) it is time to create a new symbol. Of course, this is rather slow and it would be better if - bfd would provide an iterator for enumerating all line infos. */ + BFD would provide an iterator for enumerating all line infos. */ prev_name_len = PATH_MAX; prev_filename_len = PATH_MAX; prev_name = xmalloc (prev_name_len); @@ -625,12 +623,11 @@ core_create_line_syms (cbfd) ltab.len = 0; prev_line_num = 0; - for (offset = 0; offset < core_text_sect->_raw_size; offset += min_insn_size) + bfd_vma vma_high = core_text_sect->vma + core_text_sect->_raw_size; + for (vma = core_text_sect->vma; vma < vma_high; vma += min_insn_size) { unsigned int len; - vma = core_text_sect->vma + offset; - if (!get_src_info (vma, &filename, &dummy.name, &dummy.line_num) || (prev_line_num == dummy.line_num && prev_name != NULL @@ -693,12 +690,11 @@ core_create_line_syms (cbfd) lot cleaner now. */ prev = 0; - for (offset = 0; offset < core_text_sect->_raw_size; offset += min_insn_size) + for (vma = core_text_sect->vma; vma < vma_high; vma += min_insn_size) { sym_init (ltab.limit); - if (!get_src_info (core_text_sect->vma + offset, &filename, - <ab.limit->name, <ab.limit->line_num) + if (!get_src_info (vma, &filename, <ab.limit->name, <ab.limit->line_num) || (prev && prev->line_num == ltab.limit->line_num && strcmp (prev->name, ltab.limit->name) == 0 && strcmp (prev->file->name, filename) == 0)) @@ -708,7 +704,7 @@ core_create_line_syms (cbfd) ltab.limit->name = xstrdup (ltab.limit->name); ltab.limit->file = source_file_lookup_path (filename); - ltab.limit->addr = core_text_sect->vma + offset; + ltab.limit->addr = vma; /* Set is_static based on the enclosing function, using either: 1) the previous symbol, if it's from the same function, or |