/* 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
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GNU Binutils.
This program 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)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+ Foundation, 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
/* Objdump overview.
disassembling is done by the libopcodes library, via a function pointer
supplied by the disassembler() function. */
+#include "sysdep.h"
#include "bfd.h"
-#include "bfdver.h"
+#include "elf-bfd.h"
#include "progress.h"
#include "bucomm.h"
-#include "budemang.h"
+#include "dwarf.h"
#include "getopt.h"
#include "safe-ctype.h"
#include "dis-asm.h"
#include "libiberty.h"
#include "demangle.h"
+#include "filenames.h"
#include "debug.h"
#include "budbg.h"
+#ifdef HAVE_MMAP
+#include <sys/mman.h>
+#endif
+
+#include <sys/stat.h>
+
/* Internal headers for the ELF .stab-dump code - sorry. */
#define BYTES_IN_WORD 32
#include "aout/aout64.h"
-#if !HAVE_DECL_FPRINTF
-/* This is needed by init_disassemble_info(). */
-extern int fprintf (FILE *, const char *, ...);
-#endif
-
/* Exit status. */
static int exit_status = 0;
static int with_line_numbers; /* -l */
static bfd_boolean with_source_code; /* -S */
static int show_raw_insn; /* --show-raw-insn */
+static int dump_dwarf_section_info; /* --dwarf */
static int dump_stab_section_info; /* --stabs */
static int do_demangle; /* -C, --demangle */
static bfd_boolean disassemble; /* -d */
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. */
-static char **only;
-/* The total number of slots in the only[] array. */
-static size_t only_size = 0;
-/* The number of occupied slots in the only[] array. */
-static size_t only_used = 0;
+/* A structure to record the sections mentioned in -j switches. */
+struct only
+{
+ const char * name; /* The name of the section. */
+ bfd_boolean seen; /* A flag to indicate that the section has been found in one or more input files. */
+ struct only * next; /* Pointer to the next structure in the list. */
+};
+/* Pointer to an array of 'only' structures.
+ This pointer is NULL if the -j switch has not been used. */
+static struct only * only_list = NULL;
/* Variables for handling include file path table. */
static const char **include_paths;
arelent ** dynrelbuf;
long dynrelcount;
disassembler_ftype disassemble_fn;
-#ifdef DISASSEMBLER_NEEDS_RELOCS
arelent * reloc;
-#endif
};
/* Architecture to disassemble for, or default if NULL. */
static char *strtab;
static bfd_size_type stabstr_size;
+
+static bfd_boolean is_relocatable = FALSE;
\f
static void
usage (FILE *stream, int status)
-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[lLiaprmfFsoRt] or\n\
+ --dwarf[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,\n\
+ =frames-interp,=str,=loc,=Ranges,=pubtypes,\n\
+ =trace_info,=trace_abbrev,=trace_aranges]\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\
-R, --dynamic-reloc Display the dynamic relocation entries in the file\n\
+ @<file> Read options from <file>\n\
-v, --version Display this program's version number\n\
-i, --info List object formats and architectures supported\n\
-H, --help Display this information\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);
disassembler_usage (stream);
}
- if (status == 0)
+ if (REPORT_BUGS_TO[0] && status == 0)
fprintf (stream, _("Report bugs to %s.\n"), REPORT_BUGS_TO);
exit (status);
}
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", 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
bfd_nonfatal (msg);
exit_status = 1;
}
+\f
+/* Returns TRUE if the specified section should be dumped. */
+
+static bfd_boolean
+process_section_p (asection * section)
+{
+ struct only * only;
+
+ if (only_list == NULL)
+ return TRUE;
+
+ for (only = only_list; only; only = only->next)
+ if (strcmp (only->name, section->name) == 0)
+ {
+ only->seen = TRUE;
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/* Add an entry to the 'only' list. */
+
+static void
+add_only (char * name)
+{
+ struct only * only;
+
+ /* First check to make sure that we do not
+ already have an entry for this name. */
+ for (only = only_list; only; only = only->next)
+ if (strcmp (only->name, name) == 0)
+ return;
+
+ only = xmalloc (sizeof * only);
+ only->name = name;
+ only->seen = FALSE;
+ only->next = only_list;
+ only_list = only;
+}
+
+/* Release the memory used by the 'only' list.
+ PR 11225: Issue a warning message for unseen sections.
+ Only do this if none of the sections were seen. This is mainly to support
+ tools like the GAS testsuite where an object file is dumped with a list of
+ generic section names known to be present in a range of different file
+ formats. */
+
+static void
+free_only_list (void)
+{
+ bfd_boolean at_least_one_seen = FALSE;
+ struct only * only;
+ struct only * next;
+
+ if (only_list == NULL)
+ return;
+
+ for (only = only_list; only; only = only->next)
+ if (only->seen)
+ {
+ at_least_one_seen = TRUE;
+ break;
+ }
+
+ for (only = only_list; only; only = next)
+ {
+ if (! at_least_one_seen)
+ {
+ non_fatal (_("section '%s' mentioned in a -j option, "
+ "but not found in any input file"),
+ only->name);
+ exit_status = 1;
+ }
+ next = only->next;
+ free (only);
+ }
+}
+
\f
static void
dump_section_header (bfd *abfd, asection *section,
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)
if (!(bfd_get_file_flags (abfd) & DYNAMIC))
{
non_fatal (_("%s: not a dynamic object"), bfd_get_filename (abfd));
+ exit_status = 1;
dynsymcount = 0;
return NULL;
}
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;
if (do_demangle && name[0] != '\0')
{
/* Demangle the name. */
- alloc = demangle (abfd, name);
- name = alloc;
+ alloc = bfd_demangle (abfd, name, DMGL_ANSI | DMGL_PARAMS);
+ if (alloc != NULL)
+ 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;
asection *sec;
unsigned int opb;
+ bfd_boolean want_section;
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.
Note that this may be wrong for some symbol references if the
sections have overlapping memory ranges, but in that case there's
no way to tell what's desired without looking at the relocation
- table. */
- if (sorted_syms[thisplace]->section != sec
- && (aux->require_sec
- || ((abfd->flags & HAS_RELOC) != 0
- && vma >= bfd_get_section_vma (abfd, sec)
- && vma < (bfd_get_section_vma (abfd, sec)
- + bfd_section_size (abfd, sec) / opb))))
+ table.
+
+ Also give the target a chance to reject symbols. */
+ want_section = (aux->require_sec
+ || ((abfd->flags & HAS_RELOC) != 0
+ && vma >= bfd_get_section_vma (abfd, sec)
+ && vma < (bfd_get_section_vma (abfd, sec)
+ + bfd_section_size (abfd, sec) / opb)));
+ if ((sorted_syms[thisplace]->section != sec && want_section)
+ || ! inf->symbol_is_valid (sorted_syms[thisplace], inf))
{
long i;
+ long newplace = sorted_symcount;
- for (i = thisplace + 1; i < sorted_symcount; i++)
+ for (i = min - 1; i >= 0; i--)
{
- if (bfd_asymbol_value (sorted_syms[i])
- != bfd_asymbol_value (sorted_syms[thisplace]))
- break;
- }
+ if ((sorted_syms[i]->section == sec || !want_section)
+ && inf->symbol_is_valid (sorted_syms[i], inf))
+ {
+ if (newplace == sorted_symcount)
+ newplace = i;
- --i;
+ if (bfd_asymbol_value (sorted_syms[i])
+ != bfd_asymbol_value (sorted_syms[newplace]))
+ break;
- for (; i >= 0; i--)
- {
- if (sorted_syms[i]->section == sec
- && (i == 0
- || sorted_syms[i - 1]->section != sec
- || (bfd_asymbol_value (sorted_syms[i])
- != bfd_asymbol_value (sorted_syms[i - 1]))))
- {
- thisplace = i;
- break;
+ /* Remember this symbol and keep searching until we reach
+ an earlier address. */
+ newplace = i;
}
}
- if (sorted_syms[thisplace]->section != sec)
+ if (newplace != sorted_symcount)
+ thisplace = newplace;
+ else
{
/* We didn't find a good symbol with a smaller value.
Look for one with a larger value. */
for (i = thisplace + 1; i < sorted_symcount; i++)
{
- if (sorted_syms[i]->section == sec)
+ if ((sorted_syms[i]->section == sec || !want_section)
+ && inf->symbol_is_valid (sorted_syms[i], inf))
{
thisplace = i;
break;
}
}
- if (sorted_syms[thisplace]->section != sec
- && (aux->require_sec
- || ((abfd->flags & HAS_RELOC) != 0
- && vma >= bfd_get_section_vma (abfd, sec)
- && vma < (bfd_get_section_vma (abfd, sec)
- + bfd_section_size (abfd, sec)))))
+ if ((sorted_syms[thisplace]->section != sec && want_section)
+ || ! inf->symbol_is_valid (sorted_syms[thisplace], inf))
/* There is no suitable symbol. */
return NULL;
}
- /* Give the target a chance to reject the symbol. */
- while (! info->symbol_is_valid (sorted_syms [thisplace], info))
- {
- ++ thisplace;
- if (thisplace >= sorted_symcount
- || bfd_asymbol_value (sorted_syms [thisplace]) > vma)
- return NULL;
- }
-
if (place != NULL)
*place = thisplace;
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. */
-#ifdef DISASSEMBLER_NEEDS_RELOCS
+ asymbol *sym = NULL;
bfd_boolean skip_find = FALSE;
-#endif
+
+ 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;
-
-#ifdef DISASSEMBLER_NEEDS_RELOCS
if (aux->reloc != NULL
&& aux->reloc->sym_ptr_ptr != NULL
&& * aux->reloc->sym_ptr_ptr != NULL)
}
if (!skip_find)
-#endif
- 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 of the given address has a symbol associated with it. */
+/* 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));
}
struct print_file_list *next;
const char *filename;
const char *modname;
- unsigned int line;
- FILE *f;
+ const char *map;
+ size_t mapsize;
+ const char **linemap;
+ unsigned maxline;
+ unsigned last_line;
+ int first;
};
static struct print_file_list *print_files;
#define SHOW_PRECEDING_CONTEXT_LINES (5)
+/* Read a complete file into memory. */
+
+static const char *
+slurp_file (const char *fn, size_t *size)
+{
+#ifdef HAVE_MMAP
+ int ps = getpagesize ();
+ size_t msize;
+#endif
+ const char *map;
+ struct stat st;
+ int fd = open (fn, O_RDONLY | O_BINARY);
+
+ if (fd < 0)
+ return NULL;
+ if (fstat (fd, &st) < 0)
+ return NULL;
+ *size = st.st_size;
+#ifdef HAVE_MMAP
+ msize = (*size + ps - 1) & ~(ps - 1);
+ map = mmap (NULL, msize, PROT_READ, MAP_SHARED, fd, 0);
+ if (map != (char *)-1L)
+ {
+ close(fd);
+ return map;
+ }
+#endif
+ map = (const char *) malloc (*size);
+ if (!map || (size_t) read (fd, (char *)map, *size) != *size)
+ {
+ free ((void *)map);
+ map = NULL;
+ }
+ close (fd);
+ return map;
+}
+
+#define line_map_decrease 5
+
+/* Precompute array of lines for a mapped file. */
+
+static const char **
+index_file (const char *map, size_t size, unsigned int *maxline)
+{
+ const char *p, *lstart, *end;
+ int chars_per_line = 45; /* First iteration will use 40. */
+ unsigned int lineno;
+ const char **linemap = NULL;
+ unsigned long line_map_size = 0;
+
+ lineno = 0;
+ lstart = map;
+ end = map + size;
+
+ for (p = map; p < end; p++)
+ {
+ if (*p == '\n')
+ {
+ if (p + 1 < end && p[1] == '\r')
+ p++;
+ }
+ else if (*p == '\r')
+ {
+ if (p + 1 < end && p[1] == '\n')
+ p++;
+ }
+ else
+ continue;
+
+ /* End of line found. */
+
+ if (linemap == NULL || line_map_size < lineno + 1)
+ {
+ unsigned long newsize;
+
+ chars_per_line -= line_map_decrease;
+ if (chars_per_line <= 1)
+ chars_per_line = 1;
+ line_map_size = size / chars_per_line + 1;
+ if (line_map_size < lineno + 1)
+ line_map_size = lineno + 1;
+ newsize = line_map_size * sizeof (char *);
+ linemap = (const char **) xrealloc (linemap, newsize);
+ }
+
+ linemap[lineno++] = lstart;
+ lstart = p + 1;
+ }
+
+ *maxline = lineno;
+ return linemap;
+}
+
/* Tries to open MODNAME, and if successful adds a node to print_files
linked list and returns that node. Returns NULL on failure. */
try_print_file_open (const char *origname, const char *modname)
{
struct print_file_list *p;
- FILE *f;
- f = fopen (modname, "r");
- if (f == NULL)
- return NULL;
+ p = (struct print_file_list *) xmalloc (sizeof (struct print_file_list));
- if (print_files != NULL && print_files->f != NULL)
+ p->map = slurp_file (modname, &p->mapsize);
+ if (p->map == NULL)
{
- fclose (print_files->f);
- print_files->f = NULL;
+ free (p);
+ return NULL;
}
-
- p = xmalloc (sizeof (struct print_file_list));
+
+ p->linemap = index_file (p->map, p->mapsize, &p->maxline);
+ p->last_line = 0;
p->filename = origname;
p->modname = modname;
- p->line = 0;
- p->f = f;
p->next = print_files;
+ p->first = 1;
print_files = p;
return p;
}
const char *fname;
int i;
- if (filename == NULL)
- return NULL;
-
p = try_print_file_open (filename, filename);
if (p != NULL)
return p;
return NULL;
/* Get the name of the file. */
- fname = strrchr (filename, '/');
-#ifdef HAVE_DOS_BASED_FILE_SYSTEM
- {
- /* We could have a mixed forward/back slash case. */
- char *backslash = strrchr (filename, '\\');
- if (fname == NULL || (backslash != NULL && backslash > fname))
- fname = backslash;
- if (fname == NULL && filename[0] != '\0' && filename[1] == ':')
- fname = filename + 1;
- }
-#endif
- if (fname == NULL)
- fname = filename;
- else
- ++fname;
+ fname = lbasename (filename);
/* If file exists under a new path, we need to add it to the list
so that show_line knows about it. */
return NULL;
}
-/* Skip ahead to a given line in a file, optionally printing each
- line. */
+/* Print a source file line. */
-static void
-skip_to_line (struct print_file_list *p, unsigned int line,
- bfd_boolean show)
+static void
+print_line (struct print_file_list *p, unsigned int linenum)
{
- while (p->line < line)
- {
- char buf[100];
-
- if (fgets (buf, sizeof buf, p->f) == NULL)
- {
- fclose (p->f);
- p->f = NULL;
- break;
- }
+ const char *l;
+ size_t len;
+
+ --linenum;
+ if (linenum >= p->maxline)
+ return;
+ 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)
+ putchar ('\n');
+}
- if (show)
- printf ("%s", buf);
+/* Print a range of source code lines. */
- if (strchr (buf, '\n') != NULL)
- ++p->line;
+static void
+dump_lines (struct print_file_list *p, unsigned int start, unsigned int end)
+{
+ if (p->map == NULL)
+ return;
+ while (start <= end)
+ {
+ print_line (p, start);
+ start++;
}
}
{
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;
for (pp = &print_files; *pp != NULL; pp = &(*pp)->next)
if (strcmp ((*pp)->filename, filename) == 0)
break;
p = *pp;
- if (p != NULL)
- {
- if (p != print_files)
- {
- int l;
-
- /* We have reencountered a file name which we saw
- earlier. This implies that either we are dumping out
- code from an included file, or the same file was
- linked in more than once. There are two common cases
- of an included file: inline functions in a header
- file, and a bison or flex skeleton file. In the
- former case we want to just start printing (but we
- back up a few lines to give context); in the latter
- case we want to continue from where we left off. I
- can't think of a good way to distinguish the cases,
- so I used a heuristic based on the file name. */
- if (strcmp (p->filename + strlen (p->filename) - 2, ".h") != 0)
- l = p->line;
- else
- {
- l = line - SHOW_PRECEDING_CONTEXT_LINES;
- if (l < 0)
- l = 0;
- }
-
- if (p->f == NULL)
- {
- p->f = fopen (p->modname, "r");
- p->line = 0;
- }
- if (p->f != NULL)
- skip_to_line (p, l, FALSE);
-
- if (print_files->f != NULL)
- {
- fclose (print_files->f);
- print_files->f = NULL;
- }
- }
-
- if (p->f != NULL)
- {
- skip_to_line (p, line, TRUE);
- *pp = p->next;
- p->next = print_files;
- print_files = p;
- }
- }
- else
+ if (p == NULL)
{
+ if (reloc)
+ filename = xstrdup (filename);
p = update_source_path (filename);
+ }
- if (p != NULL)
+ if (p != NULL && linenumber != p->last_line)
+ {
+ if (file_start_context && p->first)
+ l = 1;
+ else
{
- int l;
-
- if (file_start_context)
- l = 0;
- else
- l = line - SHOW_PRECEDING_CONTEXT_LINES;
- if (l < 0)
- l = 0;
- skip_to_line (p, l, FALSE);
- if (p->f != NULL)
- skip_to_line (p, line, TRUE);
+ l = linenumber - SHOW_PRECEDING_CONTEXT_LINES;
+ if (l >= linenumber)
+ l = 1;
+ if (p->last_line >= l && p->last_line <= linenumber)
+ l = p->last_line + 1;
}
+ 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,
struct objdump_disasm_info *aux;
asection *section;
int octets_per_line;
- 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;
while (addr_offset < stop_offset)
{
bfd_vma z;
bfd_boolean need_nl = FALSE;
-#ifdef DISASSEMBLER_NEEDS_RELOCS
int previous_octets;
/* Remember the length of the previous instruction. */
previous_octets = octets;
-#endif
octets = 0;
+ /* Make sure we don't use relocs from previous instructions. */
+ aux->reloc = NULL;
+
/* If we see more than SKIP_ZEROES octets of zeroes, we just
print `...'. */
for (z = addr_offset * opb; z < stop_offset * opb; z++)
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
{
int bpc = 0;
int pb = 0;
- done_dot = FALSE;
-
if (with_line_numbers || with_source_code)
- /* The line number tables will refer to unadjusted
- section VMAs, so we must undo any VMA modifications
- when calling show_line. */
- show_line (aux->abfd, section, addr_offset - adjust_section_vma);
+ show_line (aux->abfd, section, addr_offset);
if (! prefix_addresses)
{
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;
-
-#ifdef DISASSEMBLER_NEEDS_RELOCS
- if (*relppp < relppend)
+ 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)
{
bfd_signed_vma distance_to_rel;
|| (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;
}
-#endif
- 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;
- if (octets < 0)
+
+ 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 < (int) opb)
{
if (sfile.pos)
printf ("%s\n", sfile.buffer);
+ if (octets >= 0)
+ {
+ non_fatal (_("disassemble_fn returned length %d"),
+ octets);
+ exit_status = 1;
+ }
break;
}
}
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;
/* Sections that do not contain machine
code are not normally disassembled. */
if (! disassemble_all
- && only == NULL
+ && only_list == NULL
&& ((section->flags & (SEC_CODE | SEC_HAS_CONTENTS))
!= (SEC_CODE | SEC_HAS_CONTENTS)))
return;
rel_offset = 0;
if ((section->flags & SEC_RELOC) != 0
-#ifndef DISASSEMBLER_NEEDS_RELOCS
- && dump_reloc_info
-#endif
- )
+ && (dump_reloc_info || pinfo->disassembler_needs_relocs))
{
long relsize;
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)
{
pinfo->symbols = sorted_syms + place;
pinfo->num_symbols = x - place;
+ pinfo->symtab_pos = place;
}
else
{
pinfo->symbols = NULL;
pinfo->num_symbols = 0;
+ pinfo->symtab_pos = -1;
}
if (! prefix_addresses)
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 *));
aux.require_sec = FALSE;
aux.dynrelbuf = NULL;
aux.dynrelcount = 0;
-#ifdef DISASSEMBLER_NEEDS_RELOCS
aux.reloc = NULL;
-#endif
disasm_info.print_address_func = objdump_print_address;
disasm_info.symbol_at_address_func = objdump_symbol_at_address;
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)
- fatal (_("Can't use supplied machine %s"), machine);
+ 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;
aux.disassemble_fn = disassembler (abfd);
if (!aux.disassemble_fn)
{
- non_fatal (_("Can't disassemble for architecture %s\n"),
+ non_fatal (_("can't disassemble for architecture %s\n"),
bfd_printable_arch_mach (bfd_get_arch (abfd), 0));
exit_status = 1;
return;
disasm_info.octets_per_byte = bfd_octets_per_byte (abfd);
disasm_info.skip_zeroes = DEFAULT_SKIP_ZEROES;
disasm_info.skip_zeroes_at_end = DEFAULT_SKIP_ZEROES_AT_END;
+ disasm_info.disassembler_needs_relocs = FALSE;
if (bfd_big_endian (abfd))
disasm_info.display_endian = disasm_info.endian = BFD_ENDIAN_BIG;
if (relsize > 0)
{
- aux.dynrelbuf = xmalloc (relsize);
+ aux.dynrelbuf = (arelent **) xmalloc (relsize);
aux.dynrelcount = bfd_canonicalize_dynamic_reloc (abfd,
aux.dynrelbuf,
dynsyms);
compare_relocs);
}
}
+ disasm_info.symtab = sorted_syms;
+ disasm_info.symtab_size = sorted_symcount;
bfd_map_over_sections (abfd, disassemble_section, & disasm_info);
free (sorted_syms);
}
\f
+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 = (bfd *) file;
+ bfd_boolean ret;
+
+ /* If it is already loaded, do nothing. */
+ if (section->start != NULL)
+ return 1;
+
+ section->address = 0;
+ section->size = bfd_get_section_size (sec);
+ section->start = NULL;
+ ret = bfd_get_full_section_contents (abfd, sec, §ion->start);
+
+ if (! ret)
+ {
+ free_debug_section (debug);
+ printf (_("\nCan't get contents for section '%s'.\n"),
+ section->name);
+ return 0;
+ }
+
+ if (is_relocatable && debug_displays [debug].relocate)
+ {
+ /* We want to relocate the data we've already read (and
+ decompressed), so we store a pointer to the data in
+ the bfd_section, and tell it that the contents are
+ already in memory. */
+ sec->contents = section->start;
+ sec->flags |= SEC_IN_MEMORY;
+ sec->size = section->size;
+
+ ret = bfd_simple_get_relocated_section_contents (abfd,
+ sec,
+ section->start,
+ syms) != NULL;
+
+ if (! ret)
+ {
+ free_debug_section (debug);
+ printf (_("\nCan't get contents for section '%s'.\n"),
+ section->name);
+ return 0;
+ }
+ }
+
+ 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 load_specific_debug_section (debug, sec, file);
+}
+
+void
+free_debug_section (enum dwarf_section_display_enum debug)
+{
+ struct dwarf_section *section = &debug_displays [debug].section;
+
+ if (section->start == NULL)
+ return;
+
+ free ((char *) section->start);
+ section->start = NULL;
+ section->address = 0;
+ section->size = 0;
+}
+
+static void
+dump_dwarf_section (bfd *abfd, asection *section,
+ void *arg ATTRIBUTE_UNUSED)
+{
+ const char *name = bfd_get_section_name (abfd, section);
+ const char *match;
+ int i;
+
+ if (CONST_STRNEQ (name, ".gnu.linkonce.wi."))
+ match = ".debug_info";
+ else
+ match = name;
+
+ for (i = 0; i < max; i++)
+ 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)
+ {
+ 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))
+ {
+ debug_displays [i].display (sec, abfd);
+
+ if (i != info && i != abbrev)
+ free_debug_section ((enum dwarf_section_display_enum) i);
+ }
+ break;
+ }
+}
+
+/* Dump the dwarf debugging information. */
+
+static void
+dump_dwarf (bfd *abfd)
+{
+ is_relocatable = (abfd->flags & (EXEC_P | DYNAMIC)) == 0;
+
+ eh_addr_size = bfd_arch_bits_per_address (abfd) / 8;
+
+ if (bfd_big_endian (abfd))
+ byte_get = byte_get_big_endian;
+ else if (bfd_little_endian (abfd))
+ byte_get = byte_get_little_endian;
+ else
+ abort ();
+
+ switch (bfd_get_arch (abfd))
+ {
+ case bfd_arch_i386:
+ switch (bfd_get_mach (abfd))
+ {
+ case bfd_mach_x86_64:
+ case bfd_mach_x86_64_intel_syntax:
+ init_dwarf_regnames_x86_64 ();
+ break;
+
+ default:
+ init_dwarf_regnames_i386 ();
+ break;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ bfd_map_over_sections (abfd, dump_dwarf_section, NULL);
+
+ free_debug_memory ();
+}
+\f
/* Read ABFD's stabs section STABSECT_NAME, and return a pointer to
it. Return NULL on failure. */
}
size = bfd_section_size (abfd, stabsect);
- contents = xmalloc (size);
+ contents = (char *) xmalloc (size);
if (! bfd_get_section_contents (abfd, stabsect, contents, 0, size))
{
- non_fatal (_("Reading %s section of %s failed: %s"),
+ non_fatal (_("reading %s section of %s failed: %s"),
sect_name, bfd_get_filename (abfd),
bfd_errmsg (bfd_get_error ()));
- free (contents);
exit_status = 1;
+ free (contents);
return NULL;
}
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");
+
+ if (!bfd_get_full_section_contents (abfd, section, &data))
+ {
+ non_fatal (_("Reading section failed"));
+ return;
+ }
+
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;
/* If we want to demangle the name, we demangle it
here, and temporarily clobber it while calling
bfd_print_symbol. FIXME: This is a gross hack. */
- alloc = demangle (cur_bfd, name);
- (*current)->name = alloc;
+ alloc = bfd_demangle (cur_bfd, name, DMGL_ANSI | DMGL_PARAMS);
+ if (alloc != NULL)
+ (*current)->name = alloc;
bfd_print_symbol (cur_bfd, stdout, *current,
bfd_print_symbol_all);
- (*current)->name = name;
- free (alloc);
+ if (alloc != NULL)
+ {
+ (*current)->name = name;
+ free (alloc);
+ }
}
else
bfd_print_symbol (cur_bfd, stdout, *current,
{
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);
static void
adjust_addresses (bfd *abfd ATTRIBUTE_UNUSED,
asection *section,
- void *dummy ATTRIBUTE_UNUSED)
+ void *arg)
{
- section->vma += adjust_section_vma;
- section->lma += adjust_section_vma;
+ if ((section->flags & SEC_DEBUGGING) == 0)
+ {
+ bfd_boolean *has_reloc_p = (bfd_boolean *) arg;
+ section->vma += adjust_section_vma;
+ if (*has_reloc_p)
+ section->lma += adjust_section_vma;
+ }
}
/* Dump selected contents of ABFD. */
the BFD information is a hack. However, we must do it, or
bfd_find_nearest_line will not do the right thing. */
if (adjust_section_vma != 0)
- bfd_map_over_sections (abfd, adjust_addresses, NULL);
+ {
+ bfd_boolean has_reloc = (abfd->flags & HAS_RELOC);
+ bfd_map_over_sections (abfd, adjust_addresses, &has_reloc);
+ }
if (! dump_debugging_tags)
printf (_("\n%s: file format %s\n"), bfd_get_filename (abfd),
if (dump_section_headers)
dump_headers (abfd);
- if (dump_symtab || dump_reloc_info || disassemble || dump_debugging)
+ if (dump_symtab
+ || dump_reloc_info
+ || disassemble
+ || dump_debugging
+ || dump_dwarf_section_info)
syms = slurp_symtab (abfd);
if (dump_dynamic_symtab || dump_dynamic_reloc_info
|| (disassemble && bfd_get_dynamic_symtab_upper_bound (abfd) > 0))
dump_symbols (abfd, FALSE);
if (dump_dynamic_symtab)
dump_symbols (abfd, TRUE);
+ if (dump_dwarf_section_info)
+ dump_dwarf (abfd);
if (dump_stab_section_info)
dump_stabs (abfd);
if (dump_reloc_info && ! disassemble)
{
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, demangle,
- dump_debugging_tags ? TRUE : FALSE))
+ if (!print_debugging_info (stdout, dhandle, abfd, syms,
+ bfd_demangle,
+ dump_debugging_tags ? TRUE : FALSE))
{
non_fatal (_("%s: printing debugging information failed"),
bfd_get_filename (abfd));
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 *arfile = NULL;
if (get_file_size (filename) < 1)
- return;
+ {
+ exit_status = 1;
+ return;
+ }
file = bfd_openr (filename, target);
if (file == NULL)
return;
}
+ /* Decompress sections unless dumping the section contents. */
+ if (!dump_section_contents)
+ file->flags |= BFD_DECOMPRESS;
+
/* If the file is an archive, process all of its elements. */
if (bfd_check_format (file, bfd_archive))
{
START_PROGRESS (program_name, 0);
+ expandargv (&argc, &argv);
+
bfd_init ();
set_default_bfd_target ();
- while ((c = getopt_long (argc, argv, "pib:m:M:VvCdDlfaHhrRtTxsSI:j:wE:zgeG",
+ 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;
case 'j':
- if (only_used == only_size)
- {
- only_size += 8;
- only = xrealloc (only, only_size * sizeof (char *));
- }
- only [only_used++] = optarg;
+ add_only (optarg);
+ break;
+ case 'F':
+ display_file_offsets = TRUE;
break;
case 'l':
with_line_numbers = TRUE;
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)
endian = BFD_ENDIAN_LITTLE;
else
{
- non_fatal (_("unrecognized -E option"));
+ nonfatal (_("unrecognized -E option"));
usage (stderr, 1);
}
break;
else
{
non_fatal (_("unrecognized --endian type `%s'"), optarg);
+ exit_status = 1;
usage (stderr, 1);
}
break;
do_demangle = TRUE;
seenflag = TRUE;
break;
+ case 'W':
+ dump_dwarf_section_info = TRUE;
+ seenflag = TRUE;
+ 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;
seenflag = TRUE;
display_file (argv[optind++], target);
}
+ free_only_list ();
+
END_PROGRESS (program_name);
return exit_status;
projects / thirdparty / binutils-gdb.git / blobdiff