#include "bfd.h"
#include "sysdep.h"
+#include "progress.h"
#include "bucomm.h"
#include "getopt.h"
#include "aout/stab_gnu.h"
#include "aout/ranlib.h"
#include "demangle.h"
+#include "libiberty.h"
static boolean
display_file PARAMS ((char *filename));
static unsigned int
filter_symbols PARAMS ((bfd * file, asymbol ** syms, unsigned long symcount));
+static unsigned int
+sort_symbols_by_size PARAMS ((bfd *, asymbol **, unsigned long));
+
static void
print_symbols PARAMS ((bfd * file, asymbol ** syms, unsigned long symcount,
bfd * archive));
static void
print_symdef_entry PARAMS ((bfd * abfd));
+/* The sorting functions. */
+
+static int
+numeric_forward PARAMS ((const PTR, const PTR));
+
+static int
+numeric_reverse PARAMS ((const PTR, const PTR));
+
+static int
+non_numeric_forward PARAMS ((const PTR, const PTR));
+
+static int
+non_numeric_reverse PARAMS ((const PTR, const PTR));
+
+static int
+size_forward PARAMS ((const PTR, const PTR));
/* The output formatting functions. */
static int print_armap = 0; /* describe __.SYMDEF data in archive files. */
static int reverse_sort = 0; /* sort in downward(alpha or numeric) order */
static int sort_numerically = 0; /* sort in numeric rather than alpha order */
+static int sort_by_size = 0; /* sort by size of symbol */
static int undefined_only = 0; /* print undefined symbols only */
static int dynamic = 0; /* print dynamic symbols. */
static int show_version = 0; /* show the version number */
{"print-file-name", no_argument, 0, 'o'},
{"radix", required_argument, 0, 't'},
{"reverse-sort", no_argument, &reverse_sort, 1},
+ {"size-sort", no_argument, &sort_by_size, 1},
{"target", required_argument, 0, 200},
{"undefined-only", no_argument, &undefined_only, 1},
{"version", no_argument, &show_version, 1},
fprintf (stream, "\
Usage: %s [-aABCDgnopPrsuvV] [-t radix] [--radix=radix] [--target=bfdname]\n\
[--debug-syms] [--extern-only] [--print-armap] [--print-file-name]\n\
- [--numeric-sort] [--no-sort] [--reverse-sort] [--undefined-only]\n\
- [--portability] [-f {bsd,sysv,posix}] [--format={bsd,sysv,posix}]\n\
- [--demangle] [--no-demangle] [--dynamic] [--version] [--help]\n\
+ [--numeric-sort] [--no-sort] [--reverse-sort] [--size-sort]\n\
+ [--undefined-only] [--portability] [-f {bsd,sysv,posix}]\n\
+ [--format={bsd,sysv,posix}] [--demangle] [--no-demangle] [--dynamic]\n\
+ [--version] [--help]\n\
[file...]\n",
program_name);
+ list_supported_targets (program_name, stream);
exit (status);
}
program_name = *argv;
xmalloc_set_program_name (program_name);
+ START_PROGRESS (program_name, 0);
+
bfd_init ();
while ((c = getopt_long (argc, argv, "aABCDf:gnopPrst:uvV", long_options, (int *) 0)) != EOF)
/* We were given several filenames to do. */
while (optind < argc)
{
+ PROGRESS (1);
if (!display_file (argv[optind++]))
retval++;
}
+ END_PROGRESS (program_name);
+
exit (retval);
return retval;
}
for (;;)
{
+ PROGRESS (1);
+
arfile = bfd_openr_next_archived_file (file, arfile);
if (arfile == NULL)
\f
/* Symbol-sorting predicates */
#define valueof(x) ((x)->section->vma + (x)->value)
-int
-numeric_forward (x, y)
- CONST void *x;
- CONST void *y;
+
+/* Numeric sorts. Undefined symbols are always considered "less than"
+ defined symbols with zero values. Common symbols are not treated
+ specially -- i.e., their sizes are used as their "values". */
+static int
+numeric_forward (P_x, P_y)
+ const PTR P_x;
+ const PTR P_y;
{
- return (valueof (*(asymbol **) x) - valueof (*(asymbol **) y));
+ asymbol *x = *(asymbol **) P_x;
+ asymbol *y = *(asymbol **) P_y;
+ asection *xs = bfd_get_section (x);
+ asection *ys = bfd_get_section (y);
+ if (bfd_is_und_section (xs))
+ {
+ if (bfd_is_und_section (ys))
+ goto equal;
+ return -1;
+ }
+ else if (bfd_is_und_section (ys))
+ return 1;
+ /* Don't just return the difference -- in cross configurations,
+ after truncation to `int' it might not have the sign we want. */
+ if (valueof (x) != valueof (y))
+ return valueof (x) < valueof (y) ? -1 : 1;
+ equal:
+ return non_numeric_forward (P_x, P_y);
}
-int
+static int
numeric_reverse (x, y)
- CONST void *x;
- CONST void *y;
+ const PTR x;
+ const PTR y;
{
- return (valueof (*(asymbol **) y) - valueof (*(asymbol **) x));
+ return -numeric_forward (x, y);
}
-int
+static int
non_numeric_forward (x, y)
- CONST void *x;
- CONST void *y;
+ const PTR x;
+ const PTR y;
{
CONST char *xn = (*(asymbol **) x)->name;
CONST char *yn = (*(asymbol **) y)->name;
((yn == NULL) ? 1 : strcmp (xn, yn)));
}
-int
+static int
non_numeric_reverse (x, y)
- CONST void *x;
- CONST void *y;
+ const PTR x;
+ const PTR y;
{
- return -(non_numeric_forward (x, y));
+ return -non_numeric_forward (x, y);
}
-static int (*(sorters[2][2])) PARAMS ((CONST void *, CONST void *)) =
+static int (*(sorters[2][2])) PARAMS ((const PTR, const PTR)) =
{
{ non_numeric_forward, non_numeric_reverse },
{ numeric_forward, numeric_reverse }
};
+
+/* This sort routine is used by sort_symbols_by_size. It is similar
+ to numeric_forward, but when symbols have the same value it sorts
+ by section VMA. This simplifies the sort_symbols_by_size code
+ which handles symbols at the end of sections. Also, this routine
+ tries to sort file names before other symbols with the same value.
+ That will make the file name have a zero size, which will make
+ sort_symbols_by_size choose the non file name symbol, leading to
+ more meaningful output. For similar reasons, this code sorts
+ gnu_compiled_* and gcc2_compiled before other symbols with the same
+ value. */
+
+static int
+size_forward (P_x, P_y)
+ const PTR P_x;
+ const PTR P_y;
+{
+ asymbol *x = *(asymbol **) P_x;
+ asymbol *y = *(asymbol **) P_y;
+ asection *xs = bfd_get_section (x);
+ asection *ys = bfd_get_section (y);
+ const char *xn;
+ const char *yn;
+ size_t xnl;
+ size_t ynl;
+ int xf;
+ int yf;
+
+ if (bfd_is_und_section (xs))
+ abort ();
+ if (bfd_is_und_section (ys))
+ abort ();
+
+ if (valueof (x) != valueof (y))
+ return valueof (x) < valueof (y) ? -1 : 1;
+
+ if (xs->vma != ys->vma)
+ return xs->vma < ys->vma ? -1 : 1;
+
+ xn = bfd_asymbol_name (x);
+ yn = bfd_asymbol_name (y);
+ xnl = strlen (xn);
+ ynl = strlen (yn);
+
+ /* The symbols gnu_compiled and gcc2_compiled convey even less
+ information than the file name, so sort them out first. */
+
+ xf = (strstr (xn, "gnu_compiled") != NULL
+ || strstr (xn, "gcc2_compiled") != NULL);
+ yf = (strstr (yn, "gnu_compiled") != NULL
+ || strstr (yn, "gcc2_compiled") != NULL);
+
+ if (xf && ! yf)
+ return -1;
+ if (! xf && yf)
+ return 1;
+
+ /* We use a heuristic for the file name. It may not work on non
+ Unix systems, but it doesn't really matter; the only difference
+ is precisely which symbol names get printed. */
+
+#define file_symbol(s, sn, snl) \
+ ((s->flags & BSF_FILE) != 0 \
+ || (sn[snl - 2] == '.' \
+ && (sn[snl - 1] == 'o' \
+ || sn[snl - 1] == 'a')))
+
+ xf = file_symbol (x, xn, xnl);
+ yf = file_symbol (y, yn, ynl);
+
+ if (xf && ! yf)
+ return -1;
+ if (! xf && yf)
+ return 1;
+
+ return non_numeric_forward (P_x, P_y);
+}
+
+/* Sort the symbols by size. We guess the size by assuming that the
+ difference between the address of a symbol and the address of the
+ next higher symbol is the size. FIXME: ELF actually stores a size
+ with each symbol. We should use it. */
+
+static unsigned int
+sort_symbols_by_size (abfd, syms, symcount)
+ bfd *abfd;
+ asymbol **syms;
+ unsigned long symcount;
+{
+ asymbol **from, **to;
+ unsigned int src_count;
+ unsigned int dst_count = 0;
+ asymbol *sym;
+ asection *sec;
+
+ qsort ((PTR) syms, symcount, sizeof (asymbol *), size_forward);
+
+ /* Note that filter_symbols has already removed all absolute and
+ undefined symbols. Here we remove all symbols whose size winds
+ up as zero. */
+
+ for (from = to = syms, src_count = 0; src_count < symcount; src_count++)
+ {
+ bfd_vma size;
+
+ sym = from[src_count];
+ sec = bfd_get_section (sym);
+
+ if (bfd_is_com_section (sec))
+ size = sym->value;
+ else
+ {
+ if (src_count + 1 < symcount
+ && sec == bfd_get_section (from[src_count + 1]))
+ size = valueof (from[src_count + 1]) - valueof (sym);
+ else
+ size = (bfd_get_section_vma (abfd, sec)
+ + bfd_section_size (abfd, sec)
+ - valueof (sym));
+ }
+
+ if (size != 0)
+ {
+ /* We adjust the value of the symbol so that when it is
+ printed out, it will actually be the size. */
+ sym->value = size - bfd_get_section_vma (abfd, sec);
+
+ to[dst_count++] = sym;
+ }
+ }
+
+ /* We must now sort again by size. */
+ qsort ((PTR) syms, dst_count, sizeof (asymbol *), sorters[1][reverse_sort]);
+
+ return dst_count;
+}
\f
/* If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD. */
symcount = filter_symbols (abfd, syms, symcount);
if (!no_sort)
- qsort ((char *) syms, symcount, sizeof (asymbol *),
- sorters[sort_numerically][reverse_sort]);
+ {
+ if (! sort_by_size)
+ qsort ((char *) syms, symcount, sizeof (asymbol *),
+ sorters[sort_numerically][reverse_sort]);
+ else
+ symcount = sort_symbols_by_size (abfd, syms, symcount);
+ }
print_symbols (abfd, syms, symcount, archive_bfd);
free (syms);
int keep = 0;
flagword flags = (from[src_count])->flags;
+ PROGRESS (1);
+
sym = from[src_count];
if (undefined_only)
- keep = sym->section == &bfd_und_section;
+ keep = bfd_is_und_section (sym->section);
else if (external_only)
keep = ((flags & BSF_GLOBAL)
- || (sym->section == &bfd_und_section)
- || (bfd_is_com_section (sym->section)));
+ || bfd_is_und_section (sym->section)
+ || bfd_is_com_section (sym->section));
else
keep = 1;
if (!print_debug_syms && ((flags & BSF_DEBUGGING) != 0))
keep = 0;
+ if (sort_by_size
+ && (bfd_is_abs_section (sym->section)
+ || bfd_is_und_section (sym->section)))
+ keep = 0;
+
if (keep)
to[dst_count++] = from[src_count];
}
for (; sym < end; ++sym)
{
+ PROGRESS (1);
+
(*format->print_symbol_filename) (archive_bfd, abfd);
if (undefined_only)
{
- if ((*sym)->section == &bfd_und_section)
+ if (bfd_is_und_section ((*sym)->section))
{
print_symname ("%s\n", (*sym)->name, abfd);
}
bfd *abfd;
{
if (info->type == 'U')
- printf (" ");
+ {
+ printf ("%*s",
+#ifdef BFD_HOST_64_BIT
+ 16,
+#else
+ 8,
+#endif
+ "");
+ }
else
{
#ifdef BFD_HOST_64_BIT
elt = bfd_get_elt_at_index (abfd, idx);
if (thesym->name != (char *) NULL)
{
- printf ("%s in %s\n", thesym->name, bfd_get_filename (elt));
+ print_symname ("%s", thesym->name, abfd);
+ printf (" in %s\n", bfd_get_filename (elt));
}
}
}
projects / external / binutils.git / commitdiff