/* objdump.c -- dump information about an object file.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of GNU Binutils.
#include "dis-asm.h"
#include "libiberty.h"
#include "demangle.h"
+#include "filenames.h"
#include "debug.h"
#include "budbg.h"
static int disassemble_zeroes; /* --disassemble-zeroes */
static bfd_boolean formats_info; /* -i */
static int wide_output; /* -w */
+static int insn_width; /* --insn-width */
static bfd_vma start_address = (bfd_vma) -1; /* --start-address */
static bfd_vma stop_address = (bfd_vma) -1; /* --stop-address */
static int dump_debugging; /* --debugging */
static int dump_special_syms = 0; /* --special-syms */
static bfd_vma adjust_section_vma = 0; /* --adjust-vma */
static int file_start_context = 0; /* --file-start-context */
+static bfd_boolean display_file_offsets;/* -F */
+static const char *prefix; /* --prefix */
+static int prefix_strip; /* --prefix-strip */
+static size_t prefix_length;
/* Pointer to an array of section names provided by
one or more "-j secname" command line options. */
-g, --debugging Display debug information in object file\n\
-e, --debugging-tags Display debug information using ctags style\n\
-G, --stabs Display (in raw form) any STABS info in the file\n\
- -W, --dwarf Display DWARF info in the file\n\
+ -W[lLiaprmfFsoRt] or\n\
+ --dwarf[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,\n\
+ =frames-interp,=str,=loc,=Ranges,=pubtypes]\n\
+ Display DWARF info in the file\n\
-t, --syms Display the contents of the symbol table(s)\n\
-T, --dynamic-syms Display the contents of the dynamic symbol table\n\
-r, --reloc Display the relocation entries in the file\n\
--file-start-context Include context from start of file (with -S)\n\
-I, --include=DIR Add DIR to search list for source files\n\
-l, --line-numbers Include line numbers and filenames in output\n\
+ -F, --file-offsets Include file offsets when displaying information\n\
-C, --demangle[=STYLE] Decode mangled/processed symbol names\n\
The STYLE, if specified, can be `auto', `gnu',\n\
`lucid', `arm', `hp', `edg', `gnu-v3', `java'\n\
--stop-address=ADDR Only process data whose address is <= ADDR\n\
--prefix-addresses Print complete address alongside disassembly\n\
--[no-]show-raw-insn Display hex alongside symbolic disassembly\n\
+ --insn-width=WIDTH Display WIDTH bytes on a signle line for -d\n\
--adjust-vma=OFFSET Add OFFSET to all displayed section addresses\n\
--special-syms Include special symbols in symbol dumps\n\
+ --prefix=PREFIX Add PREFIX to absolute paths for -S\n\
+ --prefix-strip=LEVEL Strip initial directory names for -S\n\
\n"));
list_supported_targets (program_name, stream);
list_supported_architectures (program_name, stream);
OPTION_ENDIAN=150,
OPTION_START_ADDRESS,
OPTION_STOP_ADDRESS,
+ OPTION_DWARF,
+ OPTION_PREFIX,
+ OPTION_PREFIX_STRIP,
+ OPTION_INSN_WIDTH,
OPTION_ADJUST_VMA
};
{"dynamic-syms", no_argument, NULL, 'T'},
{"endian", required_argument, NULL, OPTION_ENDIAN},
{"file-headers", no_argument, NULL, 'f'},
+ {"file-offsets", no_argument, NULL, 'F'},
{"file-start-context", no_argument, &file_start_context, 1},
{"full-contents", no_argument, NULL, 's'},
{"headers", no_argument, NULL, 'h'},
{"source", no_argument, NULL, 'S'},
{"special-syms", no_argument, &dump_special_syms, 1},
{"include", required_argument, NULL, 'I'},
- {"dwarf", no_argument, NULL, 'W'},
+ {"dwarf", optional_argument, NULL, OPTION_DWARF},
{"stabs", no_argument, NULL, 'G'},
{"start-address", required_argument, NULL, OPTION_START_ADDRESS},
{"stop-address", required_argument, NULL, OPTION_STOP_ADDRESS},
{"target", required_argument, NULL, 'b'},
{"version", no_argument, NULL, 'V'},
{"wide", no_argument, NULL, 'w'},
+ {"prefix", required_argument, NULL, OPTION_PREFIX},
+ {"prefix-strip", required_argument, NULL, OPTION_PREFIX_STRIP},
+ {"insn-width", required_argument, NULL, OPTION_INSN_WIDTH},
{0, no_argument, 0, 0}
};
\f
exit_status = 1;
}
\f
+/* Returns TRUE if the specified section should be dumped. */
+
+static bfd_boolean
+process_section_p (asection * section)
+{
+ size_t i;
+
+ if (only == NULL)
+ return TRUE;
+
+ for (i = 0; i < only_used; i++)
+ if (strcmp (only [i], section->name) == 0)
+ return TRUE;
+
+ return FALSE;
+}
+\f
static void
dump_section_header (bfd *abfd, asection *section,
void *ignored ATTRIBUTE_UNUSED)
if (section->flags & SEC_LINKER_CREATED)
return;
+ /* PR 10413: Skip sections that we are ignoring. */
+ if (! process_section_p (section))
+ return;
+
printf ("%3d %-13s %08lx ", section->index,
bfd_get_section_name (abfd, section),
(unsigned long) bfd_section_size (abfd, section) / opb);
if (storage < 0)
bfd_fatal (bfd_get_filename (abfd));
if (storage)
- sy = xmalloc (storage);
+ sy = (asymbol **) xmalloc (storage);
symcount = bfd_canonicalize_symtab (abfd, sy);
if (symcount < 0)
bfd_fatal (bfd_get_filename (abfd));
}
if (storage)
- sy = xmalloc (storage);
+ sy = (asymbol **) xmalloc (storage);
dynsymcount = bfd_canonicalize_dynamic_symtab (abfd, sy);
if (dynsymcount < 0)
If SKIP_ZEROES is TRUE, omit leading zeroes. */
static void
-objdump_print_value (bfd_vma vma, struct disassemble_info *info,
+objdump_print_value (bfd_vma vma, struct disassemble_info *inf,
bfd_boolean skip_zeroes)
{
char buf[30];
char *p;
struct objdump_disasm_info *aux;
- aux = (struct objdump_disasm_info *) info->application_data;
+ aux = (struct objdump_disasm_info *) inf->application_data;
bfd_sprintf_vma (aux->abfd, buf, vma);
if (! skip_zeroes)
p = buf;
if (*p == '\0')
--p;
}
- (*info->fprintf_func) (info->stream, "%s", p);
+ (*inf->fprintf_func) (inf->stream, "%s", p);
}
/* Print the name of a symbol. */
static void
-objdump_print_symname (bfd *abfd, struct disassemble_info *info,
+objdump_print_symname (bfd *abfd, struct disassemble_info *inf,
asymbol *sym)
{
char *alloc;
name = alloc;
}
- if (info != NULL)
- (*info->fprintf_func) (info->stream, "%s", name);
+ if (inf != NULL)
+ (*inf->fprintf_func) (inf->stream, "%s", name);
else
printf ("%s", name);
static asymbol *
find_symbol_for_address (bfd_vma vma,
- struct disassemble_info *info,
+ struct disassemble_info *inf,
long *place)
{
/* @@ Would it speed things up to cache the last two symbols returned,
/* Indices in `sorted_syms'. */
long min = 0;
- long max = sorted_symcount;
+ long max_count = sorted_symcount;
long thisplace;
struct objdump_disasm_info *aux;
bfd *abfd;
if (sorted_symcount < 1)
return NULL;
- aux = (struct objdump_disasm_info *) info->application_data;
+ aux = (struct objdump_disasm_info *) inf->application_data;
abfd = aux->abfd;
sec = aux->sec;
- opb = bfd_octets_per_byte (abfd);
+ opb = inf->octets_per_byte;
/* Perform a binary search looking for the closest symbol to the
- required value. We are searching the range (min, max]. */
- while (min + 1 < max)
+ required value. We are searching the range (min, max_count]. */
+ while (min + 1 < max_count)
{
asymbol *sym;
- thisplace = (max + min) / 2;
+ thisplace = (max_count + min) / 2;
sym = sorted_syms[thisplace];
if (bfd_asymbol_value (sym) > vma)
- max = thisplace;
+ max_count = thisplace;
else if (bfd_asymbol_value (sym) < vma)
min = thisplace;
else
== bfd_asymbol_value (sorted_syms[thisplace - 1])))
--thisplace;
+ /* Prefer a symbol in the current section if we have multple symbols
+ with the same value, as can occur with overlays or zero size
+ sections. */
+ min = thisplace;
+ while (min < max_count
+ && (bfd_asymbol_value (sorted_syms[min])
+ == bfd_asymbol_value (sorted_syms[thisplace])))
+ {
+ if (sorted_syms[min]->section == sec
+ && inf->symbol_is_valid (sorted_syms[min], inf))
+ {
+ thisplace = min;
+
+ if (place != NULL)
+ *place = thisplace;
+
+ return sorted_syms[thisplace];
+ }
+ ++min;
+ }
+
/* If the file is relocatable, and the symbol could be from this
section, prefer a symbol from this section over symbols from
others, even if the other symbol's value might be closer.
&& vma < (bfd_get_section_vma (abfd, sec)
+ bfd_section_size (abfd, sec) / opb)));
if ((sorted_syms[thisplace]->section != sec && want_section)
- || !info->symbol_is_valid (sorted_syms[thisplace], info))
+ || ! inf->symbol_is_valid (sorted_syms[thisplace], inf))
{
long i;
- long newplace;
-
- for (i = thisplace + 1; i < sorted_symcount; i++)
- {
- if (bfd_asymbol_value (sorted_syms[i])
- != bfd_asymbol_value (sorted_syms[thisplace]))
- break;
- }
+ long newplace = sorted_symcount;
- --i;
- newplace = sorted_symcount;
-
- for (; i >= 0; i--)
+ for (i = min - 1; i >= 0; i--)
{
if ((sorted_syms[i]->section == sec || !want_section)
- && info->symbol_is_valid (sorted_syms[i], info))
+ && inf->symbol_is_valid (sorted_syms[i], inf))
{
if (newplace == sorted_symcount)
newplace = i;
for (i = thisplace + 1; i < sorted_symcount; i++)
{
if ((sorted_syms[i]->section == sec || !want_section)
- && info->symbol_is_valid (sorted_syms[i], info))
+ && inf->symbol_is_valid (sorted_syms[i], inf))
{
thisplace = i;
break;
}
if ((sorted_syms[thisplace]->section != sec && want_section)
- || !info->symbol_is_valid (sorted_syms[thisplace], info))
+ || ! inf->symbol_is_valid (sorted_syms[thisplace], inf))
/* There is no suitable symbol. */
return NULL;
}
static void
objdump_print_addr_with_sym (bfd *abfd, asection *sec, asymbol *sym,
- bfd_vma vma, struct disassemble_info *info,
+ bfd_vma vma, struct disassemble_info *inf,
bfd_boolean skip_zeroes)
{
- objdump_print_value (vma, info, skip_zeroes);
+ objdump_print_value (vma, inf, skip_zeroes);
if (sym == NULL)
{
bfd_vma secaddr;
- (*info->fprintf_func) (info->stream, " <%s",
- bfd_get_section_name (abfd, sec));
+ (*inf->fprintf_func) (inf->stream, " <%s",
+ bfd_get_section_name (abfd, sec));
secaddr = bfd_get_section_vma (abfd, sec);
if (vma < secaddr)
{
- (*info->fprintf_func) (info->stream, "-0x");
- objdump_print_value (secaddr - vma, info, TRUE);
+ (*inf->fprintf_func) (inf->stream, "-0x");
+ objdump_print_value (secaddr - vma, inf, TRUE);
}
else if (vma > secaddr)
{
- (*info->fprintf_func) (info->stream, "+0x");
- objdump_print_value (vma - secaddr, info, TRUE);
+ (*inf->fprintf_func) (inf->stream, "+0x");
+ objdump_print_value (vma - secaddr, inf, TRUE);
}
- (*info->fprintf_func) (info->stream, ">");
+ (*inf->fprintf_func) (inf->stream, ">");
}
else
{
- (*info->fprintf_func) (info->stream, " <");
- objdump_print_symname (abfd, info, sym);
+ (*inf->fprintf_func) (inf->stream, " <");
+ objdump_print_symname (abfd, inf, sym);
if (bfd_asymbol_value (sym) > vma)
{
- (*info->fprintf_func) (info->stream, "-0x");
- objdump_print_value (bfd_asymbol_value (sym) - vma, info, TRUE);
+ (*inf->fprintf_func) (inf->stream, "-0x");
+ objdump_print_value (bfd_asymbol_value (sym) - vma, inf, TRUE);
}
else if (vma > bfd_asymbol_value (sym))
{
- (*info->fprintf_func) (info->stream, "+0x");
- objdump_print_value (vma - bfd_asymbol_value (sym), info, TRUE);
+ (*inf->fprintf_func) (inf->stream, "+0x");
+ objdump_print_value (vma - bfd_asymbol_value (sym), inf, TRUE);
}
- (*info->fprintf_func) (info->stream, ">");
+ (*inf->fprintf_func) (inf->stream, ">");
}
+
+ if (display_file_offsets)
+ inf->fprintf_func (inf->stream, _(" (File Offset: 0x%lx)"),
+ (long int)(sec->filepos + (vma - sec->vma)));
}
/* Print an address (VMA), symbolically if possible.
static void
objdump_print_addr (bfd_vma vma,
- struct disassemble_info *info,
+ struct disassemble_info *inf,
bfd_boolean skip_zeroes)
{
struct objdump_disasm_info *aux;
- asymbol *sym = NULL; /* Initialize to avoid compiler warning. */
+ asymbol *sym = NULL;
bfd_boolean skip_find = FALSE;
+ aux = (struct objdump_disasm_info *) inf->application_data;
+
if (sorted_symcount < 1)
{
- (*info->fprintf_func) (info->stream, "0x");
- objdump_print_value (vma, info, skip_zeroes);
+ (*inf->fprintf_func) (inf->stream, "0x");
+ objdump_print_value (vma, inf, skip_zeroes);
+
+ if (display_file_offsets)
+ inf->fprintf_func (inf->stream, _(" (File Offset: 0x%lx)"),
+ (long int)(aux->sec->filepos + (vma - aux->sec->vma)));
return;
}
- aux = (struct objdump_disasm_info *) info->application_data;
-
if (aux->reloc != NULL
&& aux->reloc->sym_ptr_ptr != NULL
&& * aux->reloc->sym_ptr_ptr != NULL)
}
if (!skip_find)
- sym = find_symbol_for_address (vma, info, NULL);
+ sym = find_symbol_for_address (vma, inf, NULL);
- objdump_print_addr_with_sym (aux->abfd, aux->sec, sym, vma, info,
+ objdump_print_addr_with_sym (aux->abfd, aux->sec, sym, vma, inf,
skip_zeroes);
}
routine. */
static void
-objdump_print_address (bfd_vma vma, struct disassemble_info *info)
+objdump_print_address (bfd_vma vma, struct disassemble_info *inf)
{
- objdump_print_addr (vma, info, ! prefix_addresses);
+ objdump_print_addr (vma, inf, ! prefix_addresses);
}
/* Determine if the given address has a symbol associated with it. */
static int
-objdump_symbol_at_address (bfd_vma vma, struct disassemble_info * info)
+objdump_symbol_at_address (bfd_vma vma, struct disassemble_info * inf)
{
asymbol * sym;
- sym = find_symbol_for_address (vma, info, NULL);
+ sym = find_symbol_for_address (vma, inf, NULL);
return (sym != NULL && (bfd_asymbol_value (sym) == vma));
}
#define SHOW_PRECEDING_CONTEXT_LINES (5)
-/* Read a complete file into memory. */
+/* Read a complete file into memory. */
static const char *
slurp_file (const char *fn, size_t *size)
#endif
const char *map;
struct stat st;
- int fd = open (fn, O_RDONLY);
+ int fd = open (fn, O_RDONLY | O_BINARY);
if (fd < 0)
return NULL;
return map;
}
#endif
- map = malloc (*size);
+ map = (const char *) malloc (*size);
if (!map || (size_t) read (fd, (char *)map, *size) != *size)
{
free ((void *)map);
if (line_map_size < lineno + 1)
line_map_size = lineno + 1;
newsize = line_map_size * sizeof (char *);
- linemap = xrealloc (linemap, newsize);
+ linemap = (const char **) xrealloc (linemap, newsize);
}
linemap[lineno++] = lstart;
{
struct print_file_list *p;
- p = xmalloc (sizeof (struct print_file_list));
+ p = (struct print_file_list *) xmalloc (sizeof (struct print_file_list));
p->map = slurp_file (modname, &p->mapsize);
if (p->map == NULL)
/* Print a source file line. */
static void
-print_line (struct print_file_list *p, unsigned int line)
+print_line (struct print_file_list *p, unsigned int linenum)
{
const char *l;
size_t len;
- --line;
- if (line >= p->maxline)
+ --linenum;
+ if (linenum >= p->maxline)
return;
- l = p->linemap [line];
+ l = p->linemap [linenum];
/* Test fwrite return value to quiet glibc warning. */
len = strcspn (l, "\n\r");
if (len == 0 || fwrite (l, len, 1, stdout) == 1)
{
const char *filename;
const char *functionname;
- unsigned int line;
+ unsigned int linenumber;
+ bfd_boolean reloc;
if (! with_line_numbers && ! with_source_code)
return;
if (! bfd_find_nearest_line (abfd, section, syms, addr_offset, &filename,
- &functionname, &line))
+ &functionname, &linenumber))
return;
if (filename != NULL && *filename == '\0')
if (functionname != NULL && *functionname == '\0')
functionname = NULL;
+ if (filename
+ && IS_ABSOLUTE_PATH (filename)
+ && prefix)
+ {
+ char *path_up;
+ const char *fname = filename;
+ char *path = (char *) alloca (prefix_length + PATH_MAX + 1);
+
+ if (prefix_length)
+ memcpy (path, prefix, prefix_length);
+ path_up = path + prefix_length;
+
+ /* Build relocated filename, stripping off leading directories
+ from the initial filename if requested. */
+ if (prefix_strip > 0)
+ {
+ int level = 0;
+ const char *s;
+
+ /* Skip selected directory levels. */
+ for (s = fname + 1; *s != '\0' && level < prefix_strip; s++)
+ if (IS_DIR_SEPARATOR(*s))
+ {
+ fname = s;
+ level++;
+ }
+ }
+
+ /* Update complete filename. */
+ strncpy (path_up, fname, PATH_MAX);
+ path_up[PATH_MAX] = '\0';
+
+ filename = path;
+ reloc = TRUE;
+ }
+ else
+ reloc = FALSE;
+
if (with_line_numbers)
{
if (functionname != NULL
&& (prev_functionname == NULL
|| strcmp (functionname, prev_functionname) != 0))
printf ("%s():\n", functionname);
- if (line > 0 && line != prev_line)
- printf ("%s:%u\n", filename == NULL ? "???" : filename, line);
+ if (linenumber > 0 && linenumber != prev_line)
+ printf ("%s:%u\n", filename == NULL ? "???" : filename, linenumber);
}
if (with_source_code
&& filename != NULL
- && line > 0)
+ && linenumber > 0)
{
struct print_file_list **pp, *p;
unsigned l;
p = *pp;
if (p == NULL)
+ {
+ if (reloc)
+ filename = xstrdup (filename);
p = update_source_path (filename);
+ }
- if (p != NULL && line != p->last_line)
+ if (p != NULL && linenumber != p->last_line)
{
if (file_start_context && p->first)
l = 1;
else
{
- l = line - SHOW_PRECEDING_CONTEXT_LINES;
- if (l >= line)
+ l = linenumber - SHOW_PRECEDING_CONTEXT_LINES;
+ if (l >= linenumber)
l = 1;
- if (p->last_line >= l && p->last_line <= line)
+ if (p->last_line >= l && p->last_line <= linenumber)
l = p->last_line + 1;
}
- dump_lines (p, l, line);
- p->last_line = line;
+ dump_lines (p, l, linenumber);
+ p->last_line = linenumber;
p->first = 0;
}
}
{
if (prev_functionname != NULL)
free (prev_functionname);
- prev_functionname = xmalloc (strlen (functionname) + 1);
+ prev_functionname = (char *) xmalloc (strlen (functionname) + 1);
strcpy (prev_functionname, functionname);
}
- if (line > 0 && line != prev_line)
- prev_line = line;
+ if (linenumber > 0 && linenumber != prev_line)
+ prev_line = linenumber;
}
/* Pseudo FILE object for strings. */
break;
f->alloc = (f->alloc + n) * 2;
- f->buffer = xrealloc (f->buffer, f->alloc);
+ f->buffer = (char *) xrealloc (f->buffer, f->alloc);
}
f->pos += n;
return n;
}
-/* Returns TRUE if the specified section should be dumped. */
-
-static bfd_boolean
-process_section_p (asection * section)
-{
- size_t i;
-
- if (only == NULL)
- return TRUE;
-
- for (i = 0; i < only_used; i++)
- if (strcmp (only [i], section->name) == 0)
- return TRUE;
-
- return FALSE;
-}
-
-
/* The number of zeroes we want to see before we start skipping them.
The number is arbitrarily chosen. */
/* Disassemble some data in memory between given values. */
static void
-disassemble_bytes (struct disassemble_info * info,
+disassemble_bytes (struct disassemble_info * inf,
disassembler_ftype disassemble_fn,
bfd_boolean insns,
bfd_byte * data,
bfd_boolean done_dot;
int skip_addr_chars;
bfd_vma addr_offset;
- unsigned int opb = info->octets_per_byte;
- unsigned int skip_zeroes = info->skip_zeroes;
- unsigned int skip_zeroes_at_end = info->skip_zeroes_at_end;
+ unsigned int opb = inf->octets_per_byte;
+ unsigned int skip_zeroes = inf->skip_zeroes;
+ unsigned int skip_zeroes_at_end = inf->skip_zeroes_at_end;
int octets = opb;
SFILE sfile;
- aux = (struct objdump_disasm_info *) info->application_data;
+ aux = (struct objdump_disasm_info *) inf->application_data;
section = aux->sec;
sfile.alloc = 120;
- sfile.buffer = xmalloc (sfile.alloc);
+ sfile.buffer = (char *) xmalloc (sfile.alloc);
sfile.pos = 0;
- if (insns)
+ if (insn_width)
+ octets_per_line = insn_width;
+ else if (insns)
octets_per_line = 4;
else
octets_per_line = 16;
if (! prefix_addresses)
{
char buf[30];
- char *s;
-
- bfd_sprintf_vma
- (aux->abfd, buf,
- (section->vma
- + bfd_section_size (section->owner, section) / opb));
- s = buf;
- while (s[0] == '0' && s[1] == '0' && s[2] == '0' && s[3] == '0'
- && s[4] == '0')
- {
- skip_addr_chars += 4;
- s += 4;
- }
+
+ bfd_sprintf_vma (aux->abfd, buf, section->vma + section->size / opb);
+
+ while (buf[skip_addr_chars] == '0')
+ ++skip_addr_chars;
+
+ /* Don't discard zeros on overflow. */
+ if (buf[skip_addr_chars] == '\0' && section->vma != 0)
+ skip_addr_chars = 0;
+
+ if (skip_addr_chars != 0)
+ skip_addr_chars = (skip_addr_chars - 1) & -4;
}
- info->insn_info_valid = 0;
+ inf->insn_info_valid = 0;
done_dot = FALSE;
addr_offset = start_offset;
if (data[z] != 0)
break;
if (! disassemble_zeroes
- && (info->insn_info_valid == 0
- || info->branch_delay_insns == 0)
+ && (inf->insn_info_valid == 0
+ || inf->branch_delay_insns == 0)
&& (z - addr_offset * opb >= skip_zeroes
|| (z == stop_offset * opb &&
z - addr_offset * opb < skip_zeroes_at_end)))
{
- printf ("\t...\n");
-
/* If there are more nonzero octets to follow, we only skip
zeroes in multiples of 4, to try to avoid running over
the start of an instruction which happens to start with
z = addr_offset * opb + ((z - addr_offset * opb) &~ 3);
octets = z - addr_offset * opb;
+
+ /* If we are going to display more data, and we are displaying
+ file offsets, then tell the user how many zeroes we skip
+ and the file offset from where we resume dumping. */
+ if (display_file_offsets && ((addr_offset + (octets / opb)) < stop_offset))
+ printf ("\t... (skipping %d zeroes, resuming at file offset: 0x%lx)\n",
+ octets / opb,
+ (unsigned long) (section->filepos
+ + (addr_offset + (octets / opb))));
+ else
+ printf ("\t...\n");
}
else
{
else
{
aux->require_sec = TRUE;
- objdump_print_address (section->vma + addr_offset, info);
+ objdump_print_address (section->vma + addr_offset, inf);
aux->require_sec = FALSE;
putchar (' ');
}
if (insns)
{
sfile.pos = 0;
- info->fprintf_func = (fprintf_ftype) objdump_sprintf;
- info->stream = &sfile;
- info->bytes_per_line = 0;
- info->bytes_per_chunk = 0;
- info->flags = 0;
-
- if (info->disassembler_needs_relocs
+ inf->fprintf_func = (fprintf_ftype) objdump_sprintf;
+ inf->stream = &sfile;
+ inf->bytes_per_line = 0;
+ inf->bytes_per_chunk = 0;
+ inf->flags = disassemble_all ? DISASSEMBLE_DATA : 0;
+ if (machine)
+ inf->flags |= USER_SPECIFIED_MACHINE_TYPE;
+
+ if (inf->disassembler_needs_relocs
&& (bfd_get_file_flags (aux->abfd) & EXEC_P) == 0
&& (bfd_get_file_flags (aux->abfd) & DYNAMIC) == 0
&& *relppp < relppend)
|| (distance_to_rel > 0
&& distance_to_rel < (bfd_signed_vma) (previous_octets/ opb)))
{
- info->flags = INSN_HAS_RELOC;
+ inf->flags |= INSN_HAS_RELOC;
aux->reloc = **relppp;
}
else
aux->reloc = NULL;
}
- octets = (*disassemble_fn) (section->vma + addr_offset, info);
- info->fprintf_func = (fprintf_ftype) fprintf;
- info->stream = stdout;
- if (info->bytes_per_line != 0)
- octets_per_line = info->bytes_per_line;
+ octets = (*disassemble_fn) (section->vma + addr_offset, inf);
+ inf->fprintf_func = (fprintf_ftype) fprintf;
+ inf->stream = stdout;
+ if (insn_width == 0 && inf->bytes_per_line != 0)
+ octets_per_line = inf->bytes_per_line;
if (octets < 0)
{
if (sfile.pos)
if (pb > octets_per_line && ! prefix_addresses && ! wide_output)
pb = octets_per_line;
- if (info->bytes_per_chunk)
- bpc = info->bytes_per_chunk;
+ if (inf->bytes_per_chunk)
+ bpc = inf->bytes_per_chunk;
else
bpc = 1;
{
int k;
- if (bpc > 1 && info->display_endian == BFD_ENDIAN_LITTLE)
+ if (bpc > 1 && inf->display_endian == BFD_ENDIAN_LITTLE)
{
for (k = bpc - 1; k >= 0; k--)
printf ("%02x", (unsigned) data[j + k]);
{
int k;
- if (bpc > 1 && info->display_endian == BFD_ENDIAN_LITTLE)
+ if (bpc > 1 && inf->display_endian == BFD_ENDIAN_LITTLE)
{
for (k = bpc - 1; k >= 0; k--)
printf ("%02x", (unsigned) data[j + k]);
printf ("\t\t\t");
objdump_print_value (section->vma - rel_offset + q->address,
- info, TRUE);
+ inf, TRUE);
if (q->howto == NULL)
printf (": *unknown*\t");
sym_name = bfd_asymbol_name (*q->sym_ptr_ptr);
if (sym_name != NULL && *sym_name != '\0')
- objdump_print_symname (aux->abfd, info, *q->sym_ptr_ptr);
+ objdump_print_symname (aux->abfd, inf, *q->sym_ptr_ptr);
else
{
asection *sym_sec;
if (q->addend)
{
printf ("+0x");
- objdump_print_value (q->addend, info, TRUE);
+ objdump_print_value (q->addend, inf, TRUE);
}
printf ("\n");
}
static void
-disassemble_section (bfd *abfd, asection *section, void *info)
+disassemble_section (bfd *abfd, asection *section, void *inf)
{
- struct disassemble_info * pinfo = (struct disassemble_info *) info;
+ const struct elf_backend_data * bed;
+ bfd_vma sign_adjust = 0;
+ struct disassemble_info * pinfo = (struct disassemble_info *) inf;
struct objdump_disasm_info * paux;
unsigned int opb = pinfo->octets_per_byte;
bfd_byte * data = NULL;
if (relsize > 0)
{
- rel_ppstart = rel_pp = xmalloc (relsize);
+ rel_ppstart = rel_pp = (arelent **) xmalloc (relsize);
rel_count = bfd_canonicalize_reloc (abfd, section, rel_pp, syms);
if (rel_count < 0)
bfd_fatal (bfd_get_filename (abfd));
qsort (rel_pp, rel_count, sizeof (arelent *), compare_relocs);
}
}
-
}
rel_ppend = rel_pp + rel_count;
- data = xmalloc (datasize);
+ data = (bfd_byte *) xmalloc (datasize);
bfd_get_section_contents (abfd, section, data, 0, datasize);
&& (*rel_pp)->address < rel_offset + addr_offset)
++rel_pp;
- printf (_("Disassembly of section %s:\n"), section->name);
+ if (addr_offset < stop_offset)
+ printf (_("\nDisassembly of section %s:\n"), section->name);
/* Find the nearest symbol forwards from our current position. */
paux->require_sec = TRUE;
- sym = find_symbol_for_address (section->vma + addr_offset, info, &place);
+ sym = (asymbol *) find_symbol_for_address (section->vma + addr_offset,
+ (struct disassemble_info *) inf,
+ &place);
paux->require_sec = FALSE;
+ /* PR 9774: If the target used signed addresses then we must make
+ sure that we sign extend the value that we calculate for 'addr'
+ in the loop below. */
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour
+ && (bed = get_elf_backend_data (abfd)) != NULL
+ && bed->sign_extend_vma)
+ sign_adjust = (bfd_vma) 1 << (bed->s->arch_size - 1);
+
/* Disassemble a block of instructions up to the address associated with
the symbol we have just found. Then print the symbol and find the
next symbol on. Repeat until we have disassembled the entire section
bfd_boolean insns;
addr = section->vma + addr_offset;
+ addr = ((addr & ((sign_adjust << 1) - 1)) ^ sign_adjust) - sign_adjust;
if (sym != NULL && bfd_asymbol_value (sym) <= addr)
{
else
nextstop_offset = bfd_asymbol_value (nextsym) - section->vma;
- if (nextstop_offset > stop_offset)
+ if (nextstop_offset > stop_offset
+ || nextstop_offset <= addr_offset)
nextstop_offset = stop_offset;
/* If a symbol is explicitly marked as being an object
disassembling them. */
if (disassemble_all
|| sym == NULL
+ || sym->section != section
|| bfd_asymbol_value (sym) > addr
|| ((sym->flags & BSF_OBJECT) == 0
&& (strstr (bfd_asymbol_name (sym), "gnu_compiled")
disassemble_bytes (pinfo, paux->disassemble_fn, insns, data,
addr_offset, nextstop_offset,
rel_offset, &rel_pp, rel_ppend);
-
+
addr_offset = nextstop_offset;
sym = nextsym;
}
/* We make a copy of syms to sort. We don't want to sort syms
because that will screw up the relocs. */
sorted_symcount = symcount ? symcount : dynsymcount;
- sorted_syms = xmalloc ((sorted_symcount + synthcount) * sizeof (asymbol *));
+ sorted_syms = (asymbol **) xmalloc ((sorted_symcount + synthcount)
+ * sizeof (asymbol *));
memcpy (sorted_syms, symcount ? syms : dynsyms,
sorted_symcount * sizeof (asymbol *));
if (machine != NULL)
{
- const bfd_arch_info_type *info = bfd_scan_arch (machine);
+ const bfd_arch_info_type *inf = bfd_scan_arch (machine);
- if (info == NULL)
+ if (inf == NULL)
fatal (_("Can't use supplied machine %s"), machine);
- abfd->arch_info = info;
+ abfd->arch_info = inf;
}
if (endian != BFD_ENDIAN_UNKNOWN)
{
struct bfd_target *xvec;
- xvec = xmalloc (sizeof (struct bfd_target));
+ xvec = (struct bfd_target *) xmalloc (sizeof (struct bfd_target));
memcpy (xvec, abfd->xvec, sizeof (struct bfd_target));
xvec->byteorder = endian;
abfd->xvec = xvec;
if (relsize > 0)
{
- aux.dynrelbuf = xmalloc (relsize);
+ aux.dynrelbuf = (arelent **) xmalloc (relsize);
aux.dynrelcount = bfd_canonicalize_dynamic_reloc (abfd,
aux.dynrelbuf,
dynsyms);
free (sorted_syms);
}
\f
-int
-load_debug_section (enum dwarf_section_display_enum debug, void *file)
+static int
+load_specific_debug_section (enum dwarf_section_display_enum debug,
+ asection *sec, void *file)
{
struct dwarf_section *section = &debug_displays [debug].section;
- bfd *abfd = file;
- asection *sec;
+ bfd *abfd = (bfd *) file;
bfd_boolean ret;
+ int section_is_compressed;
/* If it is already loaded, do nothing. */
if (section->start != NULL)
return 1;
- /* Locate the debug section. */
- sec = bfd_get_section_by_name (abfd, section->name);
- if (sec == NULL)
- return 0;
+ section_is_compressed = section->name == section->compressed_name;
- /* Compute a bias to be added to offsets found within the DWARF debug
- information. These offsets are meant to be relative to the start of
- the dwarf section, and hence the bias should be 0. For MACH-O however
- a dwarf section is really just a region of a much larger section and so
- the bias is the address of the start of that area within the larger
- section. This test is important for PE and COFF based targets which
- use DWARF debug information, since unlike ELF, they do not allow the
- dwarf sections to be placed at address 0. */
- if (bfd_get_flavour (abfd) == bfd_target_mach_o_flavour)
- section->address = bfd_get_section_vma (abfd, sec);
- else
- section->address = 0;
-
+ section->address = 0;
section->size = bfd_get_section_size (sec);
- section->start = xmalloc (section->size);
+ section->start = (unsigned char *) xmalloc (section->size);
if (is_relocatable && debug_displays [debug].relocate)
ret = bfd_simple_get_relocated_section_contents (abfd,
ret = bfd_get_section_contents (abfd, sec, section->start, 0,
section->size);
- if (!ret)
+ if (! ret)
{
free_debug_section (debug);
printf (_("\nCan't get contents for section '%s'.\n"),
section->name);
+ return 0;
+ }
+
+ if (section_is_compressed)
+ {
+ bfd_size_type size = section->size;
+ if (! bfd_uncompress_section_contents (§ion->start, &size))
+ {
+ free_debug_section (debug);
+ printf (_("\nCan't uncompress section '%s'.\n"), section->name);
+ return 0;
+ }
+ section->size = size;
+ }
+
+ return 1;
+}
+
+int
+load_debug_section (enum dwarf_section_display_enum debug, void *file)
+{
+ struct dwarf_section *section = &debug_displays [debug].section;
+ bfd *abfd = (bfd *) file;
+ asection *sec;
+
+ /* If it is already loaded, do nothing. */
+ if (section->start != NULL)
+ return 1;
+
+ /* Locate the debug section. */
+ sec = bfd_get_section_by_name (abfd, section->uncompressed_name);
+ if (sec != NULL)
+ section->name = section->uncompressed_name;
+ else
+ {
+ sec = bfd_get_section_by_name (abfd, section->compressed_name);
+ if (sec != NULL)
+ section->name = section->compressed_name;
}
+ if (sec == NULL)
+ return 0;
- return ret;
+ return load_specific_debug_section (debug, sec, file);
}
void
{
const char *name = bfd_get_section_name (abfd, section);
const char *match;
- enum dwarf_section_display_enum i;
+ int i;
if (CONST_STRNEQ (name, ".gnu.linkonce.wi."))
match = ".debug_info";
match = name;
for (i = 0; i < max; i++)
- if (strcmp (debug_displays[i].section.name, match) == 0)
+ if ((strcmp (debug_displays [i].section.uncompressed_name, match) == 0
+ || strcmp (debug_displays [i].section.compressed_name, match) == 0)
+ && debug_displays [i].enabled != NULL
+ && *debug_displays [i].enabled)
{
- if (!debug_displays[i].eh_frame)
+ struct dwarf_section *sec = &debug_displays [i].section;
+
+ if (strcmp (sec->uncompressed_name, match) == 0)
+ sec->name = sec->uncompressed_name;
+ else
+ sec->name = sec->compressed_name;
+ if (load_specific_debug_section ((enum dwarf_section_display_enum) i,
+ section, abfd))
{
- struct dwarf_section *sec = &debug_displays [i].section;
-
- if (load_debug_section (i, abfd))
- {
- debug_displays[i].display (sec, abfd);
-
- if (i != info && i != abbrev)
- free_debug_section (i);
- }
+ debug_displays [i].display (sec, abfd);
+
+ if (i != info && i != abbrev)
+ free_debug_section ((enum dwarf_section_display_enum) i);
}
break;
}
}
-static const char *mach_o_dwarf_sections [] = {
- "LC_SEGMENT.__DWARFA.__debug_abbrev", /* .debug_abbrev */
- "LC_SEGMENT.__DWARFA.__debug_aranges", /* .debug_aranges */
- "LC_SEGMENT.__DWARFA.__debug_frame", /* .debug_frame */
- "LC_SEGMENT.__DWARFA.__debug_info", /* .debug_info */
- "LC_SEGMENT.__DWARFA.__debug_line", /* .debug_line */
- "LC_SEGMENT.__DWARFA.__debug_pubnames", /* .debug_pubnames */
- ".eh_frame", /* .eh_frame */
- "LC_SEGMENT.__DWARFA.__debug_macinfo", /* .debug_macinfo */
- "LC_SEGMENT.__DWARFA.__debug_str", /* .debug_str */
- "LC_SEGMENT.__DWARFA.__debug_loc", /* .debug_loc */
- "LC_SEGMENT.__DWARFA.__debug_pubtypes", /* .debug_pubtypes */
- "LC_SEGMENT.__DWARFA.__debug_ranges", /* .debug_ranges */
- "LC_SEGMENT.__DWARFA.__debug_static_func", /* .debug_static_func */
- "LC_SEGMENT.__DWARFA.__debug_static_vars", /* .debug_static_vars */
- "LC_SEGMENT.__DWARFA.__debug_types", /* .debug_types */
- "LC_SEGMENT.__DWARFA.__debug_weaknames" /* .debug_weaknames */
-};
-
-static const char *generic_dwarf_sections [max];
-
-static void
-check_mach_o_dwarf (bfd *abfd)
-{
- static enum bfd_flavour old_flavour = bfd_target_unknown_flavour;
- enum bfd_flavour current_flavour = bfd_get_flavour (abfd);
- enum dwarf_section_display_enum i;
-
- if (generic_dwarf_sections [0] == NULL)
- for (i = 0; i < max; i++)
- generic_dwarf_sections [i] = debug_displays[i].section.name;
-
- if (old_flavour != current_flavour)
- {
- if (current_flavour == bfd_target_mach_o_flavour)
- for (i = 0; i < max; i++)
- debug_displays[i].section.name = mach_o_dwarf_sections [i];
- else if (old_flavour == bfd_target_mach_o_flavour)
- for (i = 0; i < max; i++)
- debug_displays[i].section.name = generic_dwarf_sections [i];
-
- old_flavour = current_flavour;
- }
-}
-
/* Dump the dwarf debugging information. */
static void
else
abort ();
- check_mach_o_dwarf (abfd);
-
if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
{
const struct elf_backend_data *bed = get_elf_backend_data (abfd);
}
size = bfd_section_size (abfd, stabsect);
- contents = xmalloc (size);
+ contents = (char *) xmalloc (size);
if (! bfd_get_section_contents (abfd, stabsect, contents, 0, size))
{
dump_stabs_section (abfd, ".stab", ".stabstr");
dump_stabs_section (abfd, ".stab.excl", ".stab.exclstr");
dump_stabs_section (abfd, ".stab.index", ".stab.indexstr");
+
+ /* For Darwin. */
+ dump_stabs_section (abfd, "LC_SYMTAB.stabs", "LC_SYMTAB.stabstr");
+
dump_stabs_section (abfd, "$GDB_SYMBOLS$", "$GDB_STRINGS$");
}
\f
if ((datasize = bfd_section_size (abfd, section)) == 0)
return;
- printf (_("Contents of section %s:\n"), section->name);
-
- data = xmalloc (datasize);
-
- bfd_get_section_contents (abfd, section, data, 0, datasize);
-
/* Compute the address range to display. */
if (start_address == (bfd_vma) -1
|| start_address < section->vma)
stop_offset = datasize / opb;
}
+ if (start_offset >= stop_offset)
+ return;
+
+ printf (_("Contents of section %s:"), section->name);
+ if (display_file_offsets)
+ printf (_(" (Starting at file offset: 0x%lx)"),
+ (unsigned long) (section->filepos + start_offset));
+ printf ("\n");
+
+ data = (bfd_byte *) xmalloc (datasize);
+
+ bfd_get_section_contents (abfd, section, data, 0, datasize);
+
width = 4;
bfd_sprintf_vma (abfd, buf, start_offset + section->vma);
dump_symbols (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean dynamic)
{
asymbol **current;
- long max;
+ long max_count;
long count;
if (dynamic)
{
current = dynsyms;
- max = dynsymcount;
+ max_count = dynsymcount;
printf ("DYNAMIC SYMBOL TABLE:\n");
}
else
{
current = syms;
- max = symcount;
+ max_count = symcount;
printf ("SYMBOL TABLE:\n");
}
- if (max == 0)
+ if (max_count == 0)
printf (_("no symbols\n"));
- for (count = 0; count < max; count++)
+ for (count = 0; count < max_count; count++)
{
bfd *cur_bfd;
{
arelent *q = *p;
const char *filename, *functionname;
- unsigned int line;
+ unsigned int linenumber;
const char *sym_name;
const char *section_name;
if (with_line_numbers
&& sec != NULL
&& bfd_find_nearest_line (abfd, sec, syms, q->address,
- &filename, &functionname, &line))
+ &filename, &functionname, &linenumber))
{
if (functionname != NULL
&& (last_functionname == NULL
last_functionname = xstrdup (functionname);
}
- if (line > 0
- && (line != last_line
+ if (linenumber > 0
+ && (linenumber != last_line
|| (filename != NULL
&& last_filename != NULL
&& strcmp (filename, last_filename) != 0)))
{
- printf ("%s:%u\n", filename == NULL ? "???" : filename, line);
- last_line = line;
+ printf ("%s:%u\n", filename == NULL ? "???" : filename, linenumber);
+ last_line = linenumber;
if (last_filename != NULL)
free (last_filename);
if (filename == NULL)
printf (" %-16s ", q->howto->name);
else
printf (" %-16d ", q->howto->type);
+
if (sym_name)
- objdump_print_symname (abfd, NULL, *q->sym_ptr_ptr);
+ {
+ objdump_print_symname (abfd, NULL, *q->sym_ptr_ptr);
+ }
else
{
if (section_name == NULL)
return;
}
- relpp = xmalloc (relsize);
+ relpp = (arelent **) xmalloc (relsize);
relcount = bfd_canonicalize_reloc (abfd, section, relpp, syms);
if (relcount < 0)
printf (" (none)\n\n");
else
{
- relpp = xmalloc (relsize);
+ relpp = (arelent **) xmalloc (relsize);
relcount = bfd_canonicalize_dynamic_reloc (abfd, relpp, dynsyms);
if (relcount < 0)
if (path[0] == 0)
return;
include_path_count++;
- include_paths = xrealloc (include_paths,
- include_path_count * sizeof (*include_paths));
+ include_paths = (const char **)
+ xrealloc (include_paths, include_path_count * sizeof (*include_paths));
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
if (path[1] == ':' && path[2] == 0)
path = concat (path, ".", (const char *) 0);
{
void *dhandle;
- dhandle = read_debugging_info (abfd, syms, symcount);
+ dhandle = read_debugging_info (abfd, syms, symcount, TRUE);
if (dhandle != NULL)
{
if (!print_debugging_info (stdout, dhandle, abfd, syms,
exit_status = 1;
}
}
+ /* PR 6483: If there was no STABS or IEEE debug
+ info in the file, try DWARF instead. */
+ else if (! dump_dwarf_section_info)
+ {
+ dump_dwarf (abfd);
+ }
}
if (syms)
bfd_init ();
set_default_bfd_target ();
- while ((c = getopt_long (argc, argv, "pib:m:M:VvCdDlfaHhrRtTxsSI:j:wE:zgeGW",
+ while ((c = getopt_long (argc, argv,
+ "pib:m:M:VvCdDlfFaHhrRtTxsSI:j:wE:zgeGW::",
long_options, (int *) 0))
!= EOF)
{
if (disassembler_options)
/* Ignore potential memory leak for now. */
disassembler_options = concat (disassembler_options, ",",
- optarg, NULL);
+ optarg, (const char *) NULL);
else
disassembler_options = optarg;
break;
if (only_used == only_size)
{
only_size += 8;
- only = xrealloc (only, only_size * sizeof (char *));
+ only = (char **) xrealloc (only, only_size * sizeof (char *));
}
only [only_used++] = optarg;
break;
+ case 'F':
+ display_file_offsets = TRUE;
+ break;
case 'l':
with_line_numbers = TRUE;
break;
break;
case OPTION_START_ADDRESS:
start_address = parse_vma (optarg, "--start-address");
+ if ((stop_address != (bfd_vma) -1) && stop_address <= start_address)
+ fatal (_("error: the start address should be before the end address"));
break;
case OPTION_STOP_ADDRESS:
stop_address = parse_vma (optarg, "--stop-address");
+ if ((start_address != (bfd_vma) -1) && stop_address <= start_address)
+ fatal (_("error: the stop address should be after the start address"));
+ break;
+ case OPTION_PREFIX:
+ prefix = optarg;
+ prefix_length = strlen (prefix);
+ /* Remove an unnecessary trailing '/' */
+ while (IS_DIR_SEPARATOR (prefix[prefix_length - 1]))
+ prefix_length--;
+ break;
+ case OPTION_PREFIX_STRIP:
+ prefix_strip = atoi (optarg);
+ if (prefix_strip < 0)
+ fatal (_("error: prefix strip must be non-negative"));
+ break;
+ case OPTION_INSN_WIDTH:
+ insn_width = strtoul (optarg, NULL, 0);
+ if (insn_width <= 0)
+ fatal (_("error: instruction width must be positive"));
break;
case 'E':
if (strcmp (optarg, "B") == 0)
case 'W':
dump_dwarf_section_info = TRUE;
seenflag = TRUE;
- do_debug_info = 1;
- do_debug_abbrevs = 1;
- do_debug_lines = 1;
- do_debug_pubnames = 1;
- do_debug_aranges = 1;
- do_debug_ranges = 1;
- do_debug_frames = 1;
- do_debug_macinfo = 1;
- do_debug_str = 1;
- do_debug_loc = 1;
+ if (optarg)
+ dwarf_select_sections_by_letters (optarg);
+ else
+ dwarf_select_sections_all ();
+ break;
+ case OPTION_DWARF:
+ dump_dwarf_section_info = TRUE;
+ seenflag = TRUE;
+ if (optarg)
+ dwarf_select_sections_by_names (optarg);
+ else
+ dwarf_select_sections_all ();
break;
case 'G':
dump_stab_section_info = TRUE;
projects / deliverable / binutils-gdb.git / blobdiff