/* Read and manage MIPS symbol tables from object modules.
- Copyright (C) 1991, 1994, 1995, 1997, 1998, 1999
- Free Software Foundation, Inc.
+ Copyright (C) 1991, 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2003, 2004,
+ 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
Contributed by hartzell@boulder.colorado.edu,
Rewritten by meissner@osf.org.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
+#include "version.h"
#ifdef index
#undef index
-#undef rindex
#endif
-#ifndef CROSS_COMPILE
#include <a.out.h>
-#else
-#include "mips/a.out.h"
-#endif /* CROSS_COMPILE */
-#ifndef MIPS_IS_STAB
+/* Include getopt.h for the sake of getopt_long. */
+#include "getopt.h"
+
/* Macros for mips-tfile.c to encapsulate stabs in ECOFF, and for
- and mips-tdump.c to print them out. This is used on the Alpha,
- which does not include mips.h.
+ mips-tdump.c to print them out.
These must match the corresponding definitions in gdb/mipsread.c.
Unfortunately, gcc and gdb do not currently share any directories. */
#define MIPS_IS_STAB(sym) (((sym)->index & 0xFFF00) == CODE_MASK)
#define MIPS_MARK_STAB(code) ((code)+CODE_MASK)
#define MIPS_UNMARK_STAB(code) ((code)-CODE_MASK)
-#endif
-
-#define __proto(x) PARAMS(x)
-typedef PTR PTR_T;
-typedef const PTR_T CPTR_T;
#define uchar unsigned char
#define ushort unsigned short
#define uint unsigned int
#define ulong unsigned long
-
-static void
-fatal(s)
- const char *s;
-{
- fprintf(stderr, "%s\n", s);
- exit(FATAL_EXIT_CODE);
-}
-
-/* Due to size_t being defined in sys/types.h and different
- in stddef.h, we have to do this by hand..... Note, these
- types are correct for MIPS based systems, and may not be
- correct for other systems. */
-
-#define size_t uint
-#define ptrdiff_t int
-
\f
/* Redefinition of storage classes as an enumeration for better
debugging. */
st_Enum = stEnum, /* enum */
#endif
st_Str = stStr, /* string */
- st_Number = stNumber, /* pure number (ie. 4 NOR 2+2) */
+ st_Number = stNumber, /* pure number (i.e. 4 NOR 2+2) */
st_Expr = stExpr, /* 2+2 vs. 4 */
st_Type = stType, /* post-coercion SER */
st_Max = stMax /* max type+1 */
int want_rfd = 0; /* print relative file desc's */
int want_scope = 0; /* print scopes for every symbol */
int tfile = 0; /* no global header file */
+int version = 0; /* print version # */
+int verbose = 0;
int tfile_fd; /* file descriptor of .T file */
off_t tfile_offset; /* current offset in .T file */
scope_t *cur_scope = 0; /* list of active scopes */
PDR *proc_desc; /* procedure tables */
/* Forward reference for functions. */
-PTR_T read_seek __proto((PTR_T, size_t, off_t, const char *));
-void read_tfile __proto((void));
-void print_global_hdr __proto((struct filehdr *));
-void print_sym_hdr __proto((HDRR *));
-void print_file_desc __proto((FDR *, int));
-void print_symbol __proto((SYMR *, int, char *, AUXU *, int, FDR *));
-void print_aux __proto((AUXU, int, int));
-void emit_aggregate __proto((char *, AUXU, AUXU, const char *, FDR *));
-const char *st_to_string __proto((st_t));
-const char *sc_to_string __proto((sc_t));
-const char *glevel_to_string __proto((glevel_t));
-const char *lang_to_string __proto((lang_t));
-const char *type_to_string __proto((AUXU *, int, FDR *));
+static void *read_seek (void *, size_t, off_t, const char *);
+static void read_tfile (void);
+static void print_global_hdr (struct filehdr *);
+static void print_sym_hdr (HDRR *);
+static void print_file_desc (FDR *, int);
+static void print_symbol (SYMR *, int, const char *, AUXU *, int, FDR *);
+static void print_aux (AUXU, int, int);
+static void emit_aggregate (char *, AUXU, AUXU, const char *, FDR *);
+static const char *st_to_string (st_t);
+static const char *sc_to_string (sc_t);
+static const char *glevel_to_string (glevel_t);
+static const char *lang_to_string (lang_t);
+static const char *type_to_string (AUXU *, int, FDR *);
extern char *optarg;
extern int optind;
/* Create a table of debugging stab-codes and corresponding names. */
#define __define_stab(NAME, CODE, STRING) {(int)CODE, STRING},
-struct {short code; char string[10];} stab_names[] = {
+const struct {const short code; const char string[10];} stab_names[] = {
#include "stab.def"
#undef __define_stab
};
+/* Command line options for getopt_long. */
+
+static const struct option options[] =
+{
+ { "version", 0, 0, 'V' },
+ { "verbose", 0, 0, 'v' },
+ { 0, 0, 0, 0 }
+};
\f
-/* Read some bytes at a specified location, and return a pointer. */
-
-PTR_T
-read_seek (ptr, size, offset, context)
- PTR_T ptr; /* pointer to buffer or NULL */
- size_t size; /* # bytes to read */
- off_t offset; /* offset to read at */
- const char *context; /* context for error message */
+/* Read some bytes at a specified location, and return a pointer.
+ Read_seek takes a pointer PTR to a buffer or NULL and reads SIZE
+ bytes from offset OFFSET. In case of errors CONTEXT is used as
+ error message. */
+
+static void *
+read_seek (void *ptr, size_t size, off_t offset, const char *context)
{
long read_size = 0;
if (size == 0) /* nothing to read */
return ptr;
- if ((ptr == (PTR_T) 0 && (ptr = malloc (size)) == (PTR_T) 0)
- || (tfile_offset != offset && lseek (tfile_fd, offset, 0) == -1)
+ if (!ptr)
+ ptr = xmalloc (size);
+
+ if ((tfile_offset != offset && lseek (tfile_fd, offset, 0) == -1)
|| (read_size = read (tfile_fd, ptr, size)) < 0)
{
perror (context);
exit (1);
}
- if (read_size != size)
+ if (read_size != (long) size)
{
fprintf (stderr, "%s: read %ld bytes, expected %ld bytes\n",
context, read_size, (long) size);
\f
/* Convert language code to string format. */
-const char *
-lang_to_string (lang)
- lang_t lang;
+static const char *
+lang_to_string (lang_t lang)
{
switch (lang)
{
\f
/* Convert storage class to string. */
-const char *
-sc_to_string(storage_class)
- sc_t storage_class;
+static const char *
+sc_to_string (sc_t storage_class)
{
switch(storage_class)
{
\f
/* Convert symbol type to string. */
-const char *
-st_to_string(symbol_type)
- st_t symbol_type;
+static const char *
+st_to_string (st_t symbol_type)
{
switch(symbol_type)
{
\f
/* Convert debug level to string. */
-const char *
-glevel_to_string (g_level)
- glevel_t g_level;
+static const char *
+glevel_to_string (glevel_t g_level)
{
switch(g_level)
{
return "??";
}
-
+
\f
/* Convert the type information to string format. */
-const char *
-type_to_string (aux_ptr, index, fdp)
- AUXU *aux_ptr;
- int index;
- FDR *fdp;
+static const char *
+type_to_string (AUXU *aux_ptr, int index, FDR *fdp)
{
AUXU u;
struct qual {
/*
* Snarf up any array bounds in the correct order. Arrays
* store 5 successive words in the aux. table:
- * word 0 RNDXR to type of the bounds (ie, int)
+ * word 0 RNDXR to type of the bounds (i.e., int)
* word 1 Current file descriptor index
* word 2 low bound
* word 3 high bound (or -1 if [])
int first_array = i;
int j;
- /* Print array bounds reversed (ie, in the order the C
+ /* Print array bounds reversed (i.e., in the order the C
programmer writes them). C is such a fun language.... */
while (i < 5 && qualifiers[i+1].type == tq_Array)
\f
/* Print out the global file header for object files. */
-void
-print_global_hdr (ptr)
- struct filehdr *ptr;
+static void
+print_global_hdr (struct filehdr *ptr)
{
char *time = ctime ((time_t *)&ptr->f_timdat);
ushort flags = ptr->f_flags;
\f
/* Print out the symbolic header. */
-void
-print_sym_hdr (sym_ptr)
- HDRR *sym_ptr;
+static void
+print_sym_hdr (HDRR *sym_ptr)
{
int width = 20;
\f
/* Print out a symbol. */
-void
-print_symbol (sym_ptr, number, strbase, aux_base, ifd, fdp)
- SYMR *sym_ptr;
- int number;
- char *strbase;
- AUXU *aux_base;
- int ifd;
- FDR *fdp;
+static void
+print_symbol (SYMR *sym_ptr, int number, const char *strbase, AUXU *aux_base,
+ int ifd, FDR *fdp)
{
sc_t storage_class = (sc_t) sym_ptr->sc;
st_t symbol_type = (st_t) sym_ptr->st;
scope_ptr != (scope_t *) 0;
scope_ptr = scope_ptr->prev)
{
- const char *class;
+ const char *sclass;
if (scope_ptr->st == st_Proc || scope_ptr->st == st_StaticProc)
- class = "func.";
+ sclass = "func.";
else if (scope_ptr->st == st_File)
- class = "file";
+ sclass = "file";
else if (scope_ptr->st == st_Block && scope_ptr->sc == sc_Text)
- class = "block";
+ sclass = "block";
else if (scope_ptr->st == st_Block && scope_ptr->sc == sc_Info)
- class = "type";
+ sclass = "type";
else
- class = "???";
+ sclass = "???";
- printf (" %ld [%s]", scope_ptr->open_sym, class);
+ printf (" %ld [%s]", scope_ptr->open_sym, sclass);
}
printf ("\n");
}
if (MIPS_IS_STAB(sym_ptr))
{
- register int i = sizeof(stab_names) / sizeof(stab_names[0]);
+ int i = ARRAY_SIZE (stab_names);
const char *stab_name = "stab";
short code = MIPS_UNMARK_STAB(sym_ptr->index);
+
while (--i >= 0)
if (stab_names[i].code == code)
{
\f
/* Print out a word from the aux. table in various formats. */
-void
-print_aux (u, auxi, used)
- AUXU u;
- int auxi;
- int used;
+static void
+print_aux (AUXU u, int auxi, int used)
{
printf ("\t%s#%-5d %11ld, [%4ld/%7ld], [%2d %1d:%1d %1x:%1x:%1x:%1x:%1x:%1x]\n",
(used) ? " " : "* ",
\f
/* Write aggregate information to a string. */
-void
-emit_aggregate (string, u, u2, which, fdp)
- char *string;
- AUXU u;
- AUXU u2;
- const char *which;
- FDR *fdp;
+static void
+emit_aggregate (char *string, AUXU u, AUXU u2, const char *which, FDR *fdp)
{
unsigned int ifd = u.rndx.rfd;
unsigned int index = u.rndx.index;
const char *name;
-
+
if (ifd == ST_RFDESCAPE)
ifd = u2.isym;
-
+
/* An ifd of -1 is an opaque type. An escaped index of 0 is a
struct return type of a procedure compiled without -g. */
if (ifd == 0xffffffff
fdp = &file_desc[rfile_desc[fdp->rfdBase + ifd]];
name = &l_strings[fdp->issBase + l_symbols[index + fdp->isymBase].iss];
}
-
+
sprintf (string,
"%s %s { ifd = %u, index = %u }",
which, name, ifd, index);
/* Print out information about a file descriptor, and the symbols,
procedures, and line numbers within it. */
-void
-print_file_desc (fdp, number)
- FDR *fdp;
- int number;
+static void
+print_file_desc (FDR *fdp, int number)
{
char *str_base;
AUXU *aux_base;
int symi, pdi;
int width = 20;
char *used_base;
-
- str_base = l_strings + fdp->issBase;
+
+ str_base = l_strings + fdp->issBase;
aux_base = aux_symbols + fdp->iauxBase;
used_base = aux_used + (aux_base - aux_symbols);
printf ("\nFile #%d, \"%s\"\n\n",
number,
fdp->rss != issNil ? str_base + fdp->rss : "<unknown>");
-
+
printf (" Name index = %-10ld Readin = %s\n",
(long) fdp->rss, (fdp->fReadin) ? "Yes" : "No");
(fdp->fBigendian) ? "BIG" : "LITTLE");
printf (" Debug level = %-10s Language = %s\n",
- glevel_to_string (fdp->glevel),
+ glevel_to_string ((glevel_t) fdp->glevel),
lang_to_string((lang_t) fdp->lang));
printf (" Adr = 0x%08lx\n\n", (long) fdp->adr);
if (want_scope && cur_scope != (scope_t *) 0)
printf ("\n Warning scope does not start at 0!\n");
- /*
+ /*
* print the info about the symbol table.
*/
printf ("\n There are %lu local symbols, starting at %lu\n",
}
}
- /*
+ /*
* do the procedure descriptors.
*/
printf ("\n There are %lu procedure descriptor entries, ", (ulong) fdp->cpd);
\f
/* Read in the portions of the .T file that we will print out. */
-void
-read_tfile __proto((void))
+static void
+read_tfile (void)
{
short magic;
off_t sym_hdr_offset = 0;
- (void) read_seek ((PTR_T) &magic, sizeof (magic), (off_t) 0, "Magic number");
+ read_seek (&magic, sizeof (magic), 0, "Magic number");
if (!tfile)
{
/* Print out the global header, since this is not a T-file. */
- (void) read_seek ((PTR_T) &global_hdr, sizeof (global_hdr), (off_t) 0,
- "Global file header");
+ read_seek (&global_hdr, sizeof (global_hdr), 0, "Global file header");
print_global_hdr (&global_hdr);
sym_hdr_offset = global_hdr.f_symptr;
}
- (void) read_seek ((PTR_T) &sym_hdr,
- sizeof (sym_hdr),
- sym_hdr_offset,
- "Symbolic header");
+ read_seek (&sym_hdr, sizeof (sym_hdr), sym_hdr_offset, "Symbolic header");
print_sym_hdr (&sym_hdr);
- lines = (LINER *) read_seek ((PTR_T) 0,
- sym_hdr.cbLine,
- sym_hdr.cbLineOffset,
+ lines = (LINER *) read_seek (NULL, sym_hdr.cbLine, sym_hdr.cbLineOffset,
"Line numbers");
- dense_nums = (DNR *) read_seek ((PTR_T) 0,
- sym_hdr.idnMax * sizeof (DNR),
- sym_hdr.cbDnOffset,
- "Dense numbers");
+ dense_nums = (DNR *) read_seek (NULL, sym_hdr.idnMax * sizeof (DNR),
+ sym_hdr.cbDnOffset, "Dense numbers");
- proc_desc = (PDR *) read_seek ((PTR_T) 0,
- sym_hdr.ipdMax * sizeof (PDR),
- sym_hdr.cbPdOffset,
- "Procedure tables");
+ proc_desc = (PDR *) read_seek (NULL, sym_hdr.ipdMax * sizeof (PDR),
+ sym_hdr.cbPdOffset, "Procedure tables");
- l_symbols = (SYMR *) read_seek ((PTR_T) 0,
- sym_hdr.isymMax * sizeof (SYMR),
- sym_hdr.cbSymOffset,
- "Local symbols");
+ l_symbols = (SYMR *) read_seek (NULL, sym_hdr.isymMax * sizeof (SYMR),
+ sym_hdr.cbSymOffset, "Local symbols");
- opt_symbols = (OPTR *) read_seek ((PTR_T) 0,
- sym_hdr.ioptMax * sizeof (OPTR),
+ opt_symbols = (OPTR *) read_seek (NULL, sym_hdr.ioptMax * sizeof (OPTR),
sym_hdr.cbOptOffset,
"Optimization symbols");
- aux_symbols = (AUXU *) read_seek ((PTR_T) 0,
- sym_hdr.iauxMax * sizeof (AUXU),
- sym_hdr.cbAuxOffset,
- "Auxiliary symbols");
+ aux_symbols = (AUXU *) read_seek (NULL, sym_hdr.iauxMax * sizeof (AUXU),
+ sym_hdr.cbAuxOffset, "Auxiliary symbols");
if (sym_hdr.iauxMax > 0)
- aux_used = xcalloc (sym_hdr.iauxMax, 1);
+ aux_used = (char *) xcalloc (sym_hdr.iauxMax, 1);
- l_strings = (char *) read_seek ((PTR_T) 0,
- sym_hdr.issMax,
- sym_hdr.cbSsOffset,
- "Local string table");
+ l_strings = (char *) read_seek (NULL, sym_hdr.issMax,
+ sym_hdr.cbSsOffset, "Local string table");
- e_strings = (char *) read_seek ((PTR_T) 0,
- sym_hdr.issExtMax,
+ e_strings = (char *) read_seek (NULL, sym_hdr.issExtMax,
sym_hdr.cbSsExtOffset,
"External string table");
- file_desc = (FDR *) read_seek ((PTR_T) 0,
- sym_hdr.ifdMax * sizeof (FDR),
- sym_hdr.cbFdOffset,
- "File tables");
+ file_desc = (FDR *) read_seek (NULL, sym_hdr.ifdMax * sizeof (FDR),
+ sym_hdr.cbFdOffset, "File tables");
- rfile_desc = (ulong *) read_seek ((PTR_T) 0,
- sym_hdr.crfd * sizeof (ulong),
+ rfile_desc = (ulong *) read_seek (NULL, sym_hdr.crfd * sizeof (ulong),
sym_hdr.cbRfdOffset,
"Relative file tables");
- e_symbols = (EXTR *) read_seek ((PTR_T) 0,
- sym_hdr.iextMax * sizeof (EXTR),
- sym_hdr.cbExtOffset,
- "External symbols");
+ e_symbols = (EXTR *) read_seek (NULL, sym_hdr.iextMax * sizeof (EXTR),
+ sym_hdr.cbExtOffset, "External symbols");
}
\f
+extern int main (int, char **);
+
int
-main (argc, argv)
- int argc;
- char **argv;
+main (int argc, char **argv)
{
int i, opt;
/*
* Process arguments
*/
- while ((opt = getopt (argc, argv, "alrst")) != EOF)
+ while ((opt = getopt_long (argc, argv, "alrsvt", options, NULL)) != -1)
switch (opt)
{
default: errors++; break;
case 'l': want_line++; break; /* print line numbers */
case 'r': want_rfd++; break; /* print relative fd's */
case 's': want_scope++; break; /* print scope info */
- case 't': tfile++; break; /* this is a tfile (without header), and not a .o */
+ case 'v': verbose++; break; /* print version # */
+ case 'V': version++; break; /* print version # */
+ case 't': tfile++; break; /* this is a tfile (without header),
+ and not a .o */
}
- if (errors || optind != argc - 1)
+ if (version)
+ {
+ printf ("mips-tdump %s%s\n", pkgversion_string, version_string);
+ fputs ("Copyright (C) 2011 Free Software Foundation, Inc.\n", stdout);
+ fputs ("This is free software; see the source for copying conditions. There is NO\n\
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n",
+ stdout);
+ exit (0);
+ }
+
+ if (optind != argc - 1)
+ errors++;
+
+ if (verbose || errors)
+ fprintf (stderr, "mips-tdump (GCC) %s\n", version_string);
+
+ if (errors)
{
fprintf (stderr, "Calling Sequence:\n");
fprintf (stderr, "\t%s [-alrst] <object-or-T-file>\n", argv[0]);
fprintf (stderr, "\t-r Print out relative file descriptors.\n");
fprintf (stderr, "\t-s Print out the current scopes for an item.\n");
fprintf (stderr, "\t-t Assume there is no global header (ie, a T-file).\n");
+ fprintf (stderr, "\t-v Print program version.\n");
return 1;
}
for (i = 0; i < sym_hdr.ifdMax; i++)
print_file_desc (&file_desc[i], i);
- /*
+ /*
* Print the external symbols.
*/
want_scope = 0; /* scope info is meaning for extern symbols */
return 0;
}
-
-\f
-void
-fancy_abort ()
-{
- fprintf (stderr, "mips-tdump internal error");
- exit (1);
-}
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