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authorNick Clifton <nickc@redhat.com>2002-06-13 17:04:39 +0000
committerNick Clifton <nickc@redhat.com>2002-06-13 17:04:39 +0000
commit977f791144e72dc74ff3dab806c0d6c452685873 (patch)
treeb2c5487150d51f7390ec2c038893036dea91a1dd /binutils/nm.c
parentd6e9d61afd4cad78a2aff2a5dc6ad3aefa1c8341 (diff)
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Display the symbol's size and use it for sorting.
Diffstat (limited to 'binutils/nm.c')
-rw-r--r--binutils/nm.c314
1 files changed, 146 insertions, 168 deletions
diff --git a/binutils/nm.c b/binutils/nm.c
index 589c4e8..bdb9cee 100644
--- a/binutils/nm.c
+++ b/binutils/nm.c
@@ -50,142 +50,81 @@ struct get_relocs_info
asymbol **syms;
};
-static void
-usage PARAMS ((FILE *, int));
-
-static void
-set_print_radix PARAMS ((char *));
-
-static void
-set_output_format PARAMS ((char *));
-
-static void
-display_archive PARAMS ((bfd *));
-
-static boolean
-display_file PARAMS ((char *filename));
-
-static void
-display_rel_file PARAMS ((bfd * file, bfd * archive));
-
-static long
-filter_symbols PARAMS ((bfd *, boolean, PTR, long, unsigned int));
-
-static long
-sort_symbols_by_size PARAMS ((bfd *, boolean, PTR, long, unsigned int,
- struct size_sym **));
-
-static void
-print_symbols PARAMS ((bfd *, boolean, PTR, long, unsigned int, bfd *));
-
-static void
-print_size_symbols PARAMS ((bfd *, boolean, struct size_sym *, long, bfd *));
-
-static void
-print_symname PARAMS ((const char *, const char *, bfd *));
-
-static void
-print_symbol PARAMS ((bfd *, asymbol *, bfd *));
-
-static void
-print_symdef_entry PARAMS ((bfd * abfd));
+struct extended_symbol_info
+{
+ symbol_info *sinfo;
+ bfd_vma ssize;
+ /* FIXME: We should add more fields for Type, Line, Section. */
+};
+#define SYM_NAME(sym) (sym->sinfo->name)
+#define SYM_VALUE(sym) (sym->sinfo->value)
+#define SYM_TYPE(sym) (sym->sinfo->type)
+#define SYM_STAB_NAME(sym) (sym->sinfo->stab_name)
+#define SYM_STAB_DESC(sym) (sym->sinfo->stab_desc)
+#define SYM_STAB_OTHER(sym) (sym->sinfo->stab_other)
+#define SYM_SIZE(sym) (sym->ssize)
+
+static void usage PARAMS ((FILE *, int));
+static void set_print_radix PARAMS ((char *));
+static void set_output_format PARAMS ((char *));
+static void display_archive PARAMS ((bfd *));
+static boolean display_file PARAMS ((char *));
+static void display_rel_file PARAMS ((bfd *, bfd *));
+static long filter_symbols PARAMS ((bfd *, boolean, PTR, long, unsigned int));
+static long sort_symbols_by_size PARAMS ((bfd *, boolean, PTR, long, unsigned int, struct size_sym **));
+static void print_symbols PARAMS ((bfd *, boolean, PTR, long, unsigned int, bfd *));
+static void print_size_symbols PARAMS ((bfd *, boolean, struct size_sym *, long, bfd *));
+static void print_symname PARAMS ((const char *, const char *, bfd *));
+static void print_symbol PARAMS ((bfd *, asymbol *, bfd_vma ssize, bfd *));
+static void print_symdef_entry PARAMS ((bfd *));
/* 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_forward1 PARAMS ((const PTR, const PTR));
-
-static int
-size_forward2 PARAMS ((const PTR, const PTR));
+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_forward1 PARAMS ((const PTR, const PTR));
+static int size_forward2 PARAMS ((const PTR, const PTR));
/* The output formatting functions. */
-
-static void
-print_object_filename_bsd PARAMS ((char *filename));
-
-static void
-print_object_filename_sysv PARAMS ((char *filename));
-
-static void
-print_object_filename_posix PARAMS ((char *filename));
-
-
-static void
-print_archive_filename_bsd PARAMS ((char *filename));
-
-static void
-print_archive_filename_sysv PARAMS ((char *filename));
-
-static void
-print_archive_filename_posix PARAMS ((char *filename));
-
-
-static void
-print_archive_member_bsd PARAMS ((char *archive, const char *filename));
-
-static void
-print_archive_member_sysv PARAMS ((char *archive, const char *filename));
-
-static void
-print_archive_member_posix PARAMS ((char *archive, const char *filename));
-
-
-static void
-print_symbol_filename_bsd PARAMS ((bfd * archive_bfd, bfd * abfd));
-
-static void
-print_symbol_filename_sysv PARAMS ((bfd * archive_bfd, bfd * abfd));
-
-static void
-print_symbol_filename_posix PARAMS ((bfd * archive_bfd, bfd * abfd));
-
-
-static void
-print_value PARAMS ((bfd *, bfd_vma));
-
-static void
-print_symbol_info_bsd PARAMS ((symbol_info * info, bfd * abfd));
-
-static void
-print_symbol_info_sysv PARAMS ((symbol_info * info, bfd * abfd));
-
-static void
-print_symbol_info_posix PARAMS ((symbol_info * info, bfd * abfd));
-
-static void
-get_relocs PARAMS ((bfd *, asection *, PTR));
+static void print_object_filename_bsd PARAMS ((char *));
+static void print_object_filename_sysv PARAMS ((char *));
+static void print_object_filename_posix PARAMS ((char *));
+static void print_archive_filename_bsd PARAMS ((char *));
+static void print_archive_filename_sysv PARAMS ((char *));
+static void print_archive_filename_posix PARAMS ((char *));
+static void print_archive_member_bsd PARAMS ((char *, const char *));
+static void print_archive_member_sysv PARAMS ((char *, const char *));
+static void print_archive_member_posix PARAMS ((char *, const char *));
+static void print_symbol_filename_bsd PARAMS ((bfd *, bfd *));
+static void print_symbol_filename_sysv PARAMS ((bfd *, bfd *));
+static void print_symbol_filename_posix PARAMS ((bfd *, bfd *));
+static void print_value PARAMS ((bfd *, bfd_vma));
+static void print_symbol_info_bsd PARAMS ((struct extended_symbol_info *, bfd *));
+static void print_symbol_info_sysv PARAMS ((struct extended_symbol_info *, bfd *));
+static void print_symbol_info_posix PARAMS ((struct extended_symbol_info *, bfd *));
+static void get_relocs PARAMS ((bfd *, asection *, PTR));
/* Support for different output formats. */
struct output_fns
{
/* Print the name of an object file given on the command line. */
- void (*print_object_filename) PARAMS ((char *filename));
+ void (*print_object_filename) PARAMS ((char *));
/* Print the name of an archive file given on the command line. */
- void (*print_archive_filename) PARAMS ((char *filename));
+ void (*print_archive_filename) PARAMS ((char *));
/* Print the name of an archive member file. */
- void (*print_archive_member) PARAMS ((char *archive, const char *filename));
+ void (*print_archive_member) PARAMS ((char *, const char *));
/* Print the name of the file (and archive, if there is one)
containing a symbol. */
- void (*print_symbol_filename) PARAMS ((bfd * archive_bfd, bfd * abfd));
+ void (*print_symbol_filename) PARAMS ((bfd *, bfd *));
/* Print a line of information about a symbol. */
- void (*print_symbol_info) PARAMS ((symbol_info * info, bfd * abfd));
+ void (*print_symbol_info) PARAMS ((struct extended_symbol_info *, bfd *));
};
+
static struct output_fns formats[] =
{
{print_object_filename_bsd,
@@ -214,23 +153,22 @@ static struct output_fns formats[] =
/* The output format to use. */
static struct output_fns *format = &formats[FORMAT_DEFAULT];
-
/* Command options. */
static int do_demangle = 0; /* Pretty print C++ symbol names. */
-static int external_only = 0; /* print external symbols only */
-static int defined_only = 0; /* Print defined symbols only */
-static int no_sort = 0; /* don't sort; print syms in order found */
-static int print_debug_syms = 0; /* print debugger-only symbols too */
-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 */
-static int show_stats = 0; /* show statistics */
-static int line_numbers = 0; /* print line numbers for symbols */
+static int external_only = 0; /* Print external symbols only. */
+static int defined_only = 0; /* Print defined symbols only. */
+static int no_sort = 0; /* Don't sort; print syms in order found. */
+static int print_debug_syms = 0;/* Print debugger-only symbols too. */
+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. */
+static int show_stats = 0; /* Show statistics. */
+static int line_numbers = 0; /* Print line numbers for symbols. */
/* When to print the names of files. Not mutually exclusive in SYSV format. */
static int filename_per_file = 0; /* Once per file, on its own line. */
@@ -291,7 +229,7 @@ static struct option long_options[] =
{0, no_argument, 0, 0}
};
-/* Some error-reporting functions */
+/* Some error-reporting functions. */
static void
usage (stream, status)
@@ -869,7 +807,6 @@ sort_symbols_by_size (abfd, dynamic, minisyms, symcount, size, symsizesp)
/* Note that filter_symbols has already removed all absolute and
undefined symbols. Here we remove all symbols whose size winds
up as zero. */
-
from = (bfd_byte *) minisyms;
fromend = from + symcount * size;
@@ -1136,12 +1073,18 @@ print_symbols (abfd, dynamic, minisyms, symcount, size, archive_bfd)
for (; from < fromend; from += size)
{
asymbol *sym;
+ bfd_vma ssize;
sym = bfd_minisymbol_to_symbol (abfd, dynamic, from, store);
if (sym == NULL)
bfd_fatal (bfd_get_filename (abfd));
- print_symbol (abfd, sym, archive_bfd);
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
+ ssize = ((elf_symbol_type *) sym)->internal_elf_sym.st_size;
+ else
+ ssize = 0;
+
+ print_symbol (abfd, sym, ssize, archive_bfd);
}
}
@@ -1167,25 +1110,32 @@ print_size_symbols (abfd, dynamic, symsizes, symcount, archive_bfd)
for (; from < fromend; from++)
{
asymbol *sym;
+ bfd_vma ssize;
sym = bfd_minisymbol_to_symbol (abfd, dynamic, from->minisym, store);
if (sym == NULL)
bfd_fatal (bfd_get_filename (abfd));
- /* Set the symbol value so that we actually display the symbol
- size. */
+ /* Set the symbol value so that we actually display the symbol size. */
sym->value = from->size - bfd_section_vma (abfd, bfd_get_section (sym));
- print_symbol (abfd, sym, archive_bfd);
+ /* For elf we have already computed the correct symbol size. */
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
+ ssize = from->size;
+ else
+ ssize = from->size - bfd_section_vma (abfd, bfd_get_section (sym));
+
+ print_symbol (abfd, sym, ssize, archive_bfd);
}
}
/* Print a single symbol. */
static void
-print_symbol (abfd, sym, archive_bfd)
+print_symbol (abfd, sym, ssize, archive_bfd)
bfd *abfd;
asymbol *sym;
+ bfd_vma ssize;
bfd *archive_bfd;
{
PROGRESS (1);
@@ -1200,9 +1150,12 @@ print_symbol (abfd, sym, archive_bfd)
else
{
symbol_info syminfo;
+ struct extended_symbol_info info;
bfd_get_symbol_info (abfd, sym, &syminfo);
- (*format->print_symbol_info) (&syminfo, abfd);
+ info.sinfo = &syminfo;
+ info.ssize = ssize;
+ (*format->print_symbol_info) (&info, abfd);
}
if (line_numbers)
@@ -1245,7 +1198,6 @@ print_symbol (abfd, sym, archive_bfd)
/* For an undefined symbol, we try to find a reloc for the
symbol, and print the line number of the reloc. */
-
if (abfd != lineno_cache_rel_bfd && relocs != NULL)
{
for (i = 0; i < seccount; i++)
@@ -1489,66 +1441,92 @@ print_value (abfd, val)
static void
print_symbol_info_bsd (info, abfd)
- symbol_info *info;
+ struct extended_symbol_info *info;
bfd *abfd;
{
- if (bfd_is_undefined_symclass (info->type))
+ if (bfd_is_undefined_symclass (SYM_TYPE (info)))
{
if (print_width == 16)
printf (" ");
printf (" ");
}
else
- print_value (abfd, info->value);
- printf (" %c", info->type);
- if (info->type == '-')
+ {
+ print_value (abfd, SYM_VALUE (info));
+
+ if (SYM_SIZE (info))
+ {
+ printf(" ");
+ print_value (abfd, SYM_SIZE (info));
+ }
+ }
+
+ printf (" %c", SYM_TYPE (info));
+
+ if (SYM_TYPE (info) == '-')
{
/* A stab. */
printf (" ");
- printf (other_format, info->stab_other);
+ printf (other_format, SYM_STAB_OTHER (info));
printf (" ");
- printf (desc_format, info->stab_desc);
- printf (" %5s", info->stab_name);
+ printf (desc_format, SYM_STAB_DESC (info));
+ printf (" %5s", SYM_STAB_NAME (info));
}
- print_symname (" %s", info->name, abfd);
+ print_symname (" %s", SYM_NAME (info), abfd);
}
static void
print_symbol_info_sysv (info, abfd)
- symbol_info *info;
+ struct extended_symbol_info *info;
bfd *abfd;
{
- print_symname ("%-20s|", info->name, abfd); /* Name */
- if (bfd_is_undefined_symclass (info->type))
- printf (" "); /* Value */
+ print_symname ("%-20s|", SYM_NAME (info), abfd);
+
+ if (bfd_is_undefined_symclass (SYM_TYPE (info)))
+ printf (" ");
else
- print_value (abfd, info->value);
- printf ("| %c |", info->type); /* Class */
- if (info->type == '-')
+ print_value (abfd, SYM_VALUE (info));
+
+ printf ("| %c |", SYM_TYPE (info));
+
+ if (SYM_TYPE (info) == '-')
{
/* A stab. */
- printf ("%18s| ", info->stab_name); /* (C) Type */
- printf (desc_format, info->stab_desc); /* Size */
- printf ("| |"); /* Line, Section */
+ printf ("%18s| ", SYM_STAB_NAME (info)); /* (C) Type */
+ printf (desc_format, SYM_STAB_DESC (info)); /* Size */
+ printf ("| |"); /* Line, Section */
}
else
- printf (" | | |"); /* Type, Size, Line, Section */
+ {
+ /* Type, Size, Line, Section */
+ printf (" |");
+
+ if (SYM_SIZE (info))
+ print_value (abfd, SYM_SIZE (info));
+ else
+ printf(" ");
+
+ printf("| |");
+ }
}
static void
print_symbol_info_posix (info, abfd)
- symbol_info *info;
+ struct extended_symbol_info *info;
bfd *abfd;
{
- print_symname ("%s ", info->name, abfd);
- printf ("%c ", info->type);
- if (bfd_is_undefined_symclass (info->type))
+ print_symname ("%s ", SYM_NAME (info), abfd);
+ printf ("%c ", SYM_TYPE (info));
+
+ if (bfd_is_undefined_symclass (SYM_TYPE (info)))
printf (" ");
else
- print_value (abfd, info->value);
- /* POSIX.2 wants the symbol size printed here, when applicable;
- BFD currently doesn't provide it, so we take the easy way out by
- considering it to never be applicable. */
+ {
+ print_value (abfd, SYM_VALUE (info));
+ printf (" ");
+ if (SYM_SIZE (info))
+ print_value (abfd, SYM_SIZE (info));
+ }
}
static void