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authorH.J. Lu <hjl.tools@gmail.com>2005-09-30 14:56:34 +0000
committerH.J. Lu <hjl.tools@gmail.com>2005-09-30 14:56:34 +0000
commit365544c3f03d9fcd2557e653c56326c3440e0fad (patch)
tree7faed6ede2b292b8f9191456102a216f9b4c5b10
parent19e6b90ed846a3d7bbbd43ecee86df86a55a59a6 (diff)
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2005-09-30 H.J. Lu <hongjiu.lu@intel.com>
* Makefile.am (objdump_SOURCES): Add dwarf.c. * Makefile.in: Regenerated. * objdump.c: Include "dwarf.h". (usage): Add -W/--dwarf. (long_options): Likewise. (dump_dwarf_section_info): New. (load_debug_section): Likewise. (free_debug_section): Likewise. (dump_dwarf_section): Likewise. (dump_dwarf): Likewise. (dump_bfd): Load symbol table and call dump_dwarf if dump_dwarf_section_info isn't zero. (main): Handle -W/--dwarf.
-rw-r--r--binutils/ChangeLog17
-rw-r--r--binutils/Makefile.am2
-rw-r--r--binutils/Makefile.in7
-rw-r--r--binutils/objdump.c138
4 files changed, 158 insertions, 6 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index c992f65..a5cba76 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,5 +1,22 @@
2005-09-30 H.J. Lu <hongjiu.lu@intel.com>
+ * Makefile.am (objdump_SOURCES): Add dwarf.c.
+ * Makefile.in: Regenerated.
+
+ * objdump.c: Include "dwarf.h".
+ (usage): Add -W/--dwarf.
+ (long_options): Likewise.
+ (dump_dwarf_section_info): New.
+ (load_debug_section): Likewise.
+ (free_debug_section): Likewise.
+ (dump_dwarf_section): Likewise.
+ (dump_dwarf): Likewise.
+ (dump_bfd): Load symbol table and call dump_dwarf if
+ dump_dwarf_section_info isn't zero.
+ (main): Handle -W/--dwarf.
+
+2005-09-30 H.J. Lu <hongjiu.lu@intel.com>
+
* readelf.c: Reordered.
(is_relocatable): New.
(dwarf_section): New structure for DWARF section.
diff --git a/binutils/Makefile.am b/binutils/Makefile.am
index 13457f6..dba2f9f 100644
--- a/binutils/Makefile.am
+++ b/binutils/Makefile.am
@@ -168,7 +168,7 @@ strip_new_SOURCES = objcopy.c is-strip.c rename.c $(WRITE_DEBUG_SRCS) $(BULIBS)
nm_new_SOURCES = nm.c budemang.c $(BULIBS)
-objdump_SOURCES = objdump.c budemang.c prdbg.c $(DEBUG_SRCS) $(BULIBS)
+objdump_SOURCES = objdump.c dwarf.c budemang.c prdbg.c $(DEBUG_SRCS) $(BULIBS)
objdump_LDADD = $(OPCODES) $(BFDLIB) $(LIBIBERTY) $(INTLLIBS)
objdump.o:objdump.c
diff --git a/binutils/Makefile.in b/binutils/Makefile.in
index bc67ad7..e4fbaef 100644
--- a/binutils/Makefile.in
+++ b/binutils/Makefile.in
@@ -143,8 +143,9 @@ objcopy_OBJECTS = $(am_objcopy_OBJECTS)
objcopy_LDADD = $(LDADD)
objcopy_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2) \
$(am__DEPENDENCIES_3)
-am_objdump_OBJECTS = objdump.$(OBJEXT) budemang.$(OBJEXT) \
- prdbg.$(OBJEXT) $(am__objects_2) $(am__objects_1)
+am_objdump_OBJECTS = objdump.$(OBJEXT) dwarf.$(OBJEXT) \
+ budemang.$(OBJEXT) prdbg.$(OBJEXT) $(am__objects_2) \
+ $(am__objects_1)
objdump_OBJECTS = $(am_objdump_OBJECTS)
am__DEPENDENCIES_4 = ../opcodes/libopcodes.la
objdump_DEPENDENCIES = $(am__DEPENDENCIES_4) $(am__DEPENDENCIES_1) \
@@ -462,7 +463,7 @@ readelf_SOURCES = readelf.c version.c unwind-ia64.c dwarf.c
readelf_LDADD = $(INTLLIBS) $(LIBIBERTY)
strip_new_SOURCES = objcopy.c is-strip.c rename.c $(WRITE_DEBUG_SRCS) $(BULIBS)
nm_new_SOURCES = nm.c budemang.c $(BULIBS)
-objdump_SOURCES = objdump.c budemang.c prdbg.c $(DEBUG_SRCS) $(BULIBS)
+objdump_SOURCES = objdump.c dwarf.c budemang.c prdbg.c $(DEBUG_SRCS) $(BULIBS)
objdump_LDADD = $(OPCODES) $(BFDLIB) $(LIBIBERTY) $(INTLLIBS)
cxxfilt_SOURCES = cxxfilt.c $(BULIBS)
ar_SOURCES = arparse.y arlex.l ar.c not-ranlib.c arsup.c rename.c binemul.c \
diff --git a/binutils/objdump.c b/binutils/objdump.c
index 14c9cb6..e49f0ae 100644
--- a/binutils/objdump.c
+++ b/binutils/objdump.c
@@ -52,6 +52,7 @@
#include "bfdver.h"
#include "progress.h"
#include "bucomm.h"
+#include "dwarf.h"
#include "budemang.h"
#include "getopt.h"
#include "safe-ctype.h"
@@ -91,6 +92,7 @@ static int prefix_addresses; /* --prefix-addresses */
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 */
@@ -189,6 +191,7 @@ 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, --dwarf 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\
@@ -275,6 +278,7 @@ static struct option long_options[]=
{"source", no_argument, NULL, 'S'},
{"special-syms", no_argument, &dump_special_syms, 1},
{"include", required_argument, NULL, 'I'},
+ {"dwarf", no_argument, NULL, 'W'},
{"stabs", no_argument, NULL, 'G'},
{"start-address", required_argument, NULL, OPTION_START_ADDRESS},
{"stop-address", required_argument, NULL, OPTION_STOP_ADDRESS},
@@ -1965,6 +1969,116 @@ disassemble_data (bfd *abfd)
free (sorted_syms);
}
+int
+load_debug_section (enum dwarf_section_display_enum debug, void *file)
+{
+ struct dwarf_section *section = &debug_displays [debug].section;
+ bfd *abfd = file;
+ asection *sec;
+ bfd_boolean ret;
+
+ /* 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->address = bfd_get_section_vma (abfd, sec);
+ section->size = bfd_get_section_size (sec);
+ section->start = xmalloc (section->size);
+
+ if (is_relocatable && debug_displays [debug].relocate)
+ ret = bfd_simple_get_relocated_section_contents (abfd,
+ sec,
+ section->start,
+ syms) != NULL;
+ else
+ ret = bfd_get_section_contents (abfd, sec, section->start, 0,
+ section->size);
+
+ if (!ret)
+ {
+ free_debug_section (debug);
+ printf (_("\nCan't get contents for section '%s'.\n"),
+ section->name);
+ }
+
+ return ret;
+}
+
+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;
+ enum dwarf_section_display_enum i;
+
+ if (strncmp (name, ".gnu.linkonce.wi.", 17) == 0)
+ match = ".debug_info";
+ else
+ match = name;
+
+ for (i = 0; i < max; i++)
+ if (strcmp (debug_displays[i].section.name, match) == 0)
+ {
+ if (!debug_displays[i].eh_frame)
+ {
+ 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);
+ }
+ }
+ break;
+ }
+}
+
+/* Dump the dwarf debugging information. */
+
+static void
+dump_dwarf (bfd *abfd)
+{
+ is_relocatable = ((abfd->flags & (HAS_RELOC | EXEC_P | DYNAMIC))
+ == HAS_RELOC);
+
+ /* FIXME: bfd_get_arch_size may return -1. We assume that 64bit
+ targets will return 64. */
+ eh_addr_size = bfd_get_arch_size (abfd) == 64 ? 8 : 4;
+
+ 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 ();
+
+ bfd_map_over_sections (abfd, dump_dwarf_section, NULL);
+
+ free_debug_memory ();
+}
+
/* Read ABFD's stabs section STABSECT_NAME, and return a pointer to
it. Return NULL on failure. */
@@ -2636,7 +2750,11 @@ dump_bfd (bfd *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))
@@ -2653,6 +2771,8 @@ dump_bfd (bfd *abfd)
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)
@@ -2819,7 +2939,7 @@ main (int argc, char **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:VvCdDlfaHhrRtTxsSI:j:wE:zgeGW",
long_options, (int *) 0))
!= EOF)
{
@@ -2960,6 +3080,20 @@ main (int argc, char **argv)
do_demangle = TRUE;
seenflag = TRUE;
break;
+ 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;
+ break;
case 'G':
dump_stab_section_info = TRUE;
seenflag = TRUE;