/* readelf.c -- display contents of an ELF format file
- Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Free Software Foundation, Inc.
Originally developed by Eric Youngdale <eric@andante.jic.com>
Modifications by Nick Clifton <nickc@redhat.com>
\f
/* The difference between readelf and objdump:
- Both programs are capabale of displaying the contents of ELF format files,
+ Both programs are capable of displaying the contents of ELF format files,
so why does the binutils project have two file dumpers ?
The reason is that objdump sees an ELF file through a BFD filter of the
bfd_size_type dynamic_size;
unsigned int dynamic_nent;
char *dynamic_strings;
+unsigned long dynamic_strings_length;
char *string_table;
unsigned long string_table_length;
unsigned long num_dynamic_syms;
int do_debug_lines;
int do_debug_pubnames;
int do_debug_aranges;
+int do_debug_ranges;
int do_debug_frames;
int do_debug_frames_interp;
int do_debug_macinfo;
int do_arch;
int do_notes;
int is_32bit_elf;
+int have_frame_base;
+int need_base_address;
+bfd_vma eh_addr_size;
struct group_list
{
struct group **section_headers_groups;
-/* A dynamic array of flags indicating which sections require dumping. */
+/* A dynamic array of flags indicating for which sections a hex dump
+ has been requested (via the -x switch) and/or a disassembly dump
+ (via the -i switch). */
+char *cmdline_dump_sects = NULL;
+unsigned num_cmdline_dump_sects = 0;
+
+/* A dynamic array of flags indicating for which sections a dump of
+ some kind has been requested. It is reset on a per-object file
+ basis and then initialised from the cmdline_dump_sects array and
+ the results of interpreting the -w switch. */
char *dump_sects = NULL;
unsigned int num_dump_sects = 0;
#define UNKNOWN -1
#define SECTION_NAME(X) ((X) == NULL ? "<none>" : \
- ((X)->sh_name >= string_table_length \
- ? "<corrupt>" : string_table + (X)->sh_name))
+ ((X)->sh_name >= string_table_length \
+ ? "<corrupt>" : string_table + (X)->sh_name))
/* Given st_shndx I, map to section_headers index. */
#define SECTION_HEADER_INDEX(I) \
(is_32bit_elf ? get_32bit_elf_symbols (file, section) \
: get_64bit_elf_symbols (file, section))
+#define VALID_DYNAMIC_NAME(offset) ((dynamic_strings != NULL) && (offset < dynamic_strings_length))
+/* GET_DYNAMIC_NAME asssumes that VALID_DYNAMIC_NAME has
+ already been called and verified that the string exists. */
+#define GET_DYNAMIC_NAME(offset) (dynamic_strings + offset)
+/* This is just a bit of syntatic sugar. */
+#define streq(a,b) (strcmp ((a), (b)) == 0)
+#define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0)
+\f
static void
error (const char *message, ...)
{
#ifndef BFD64
case 8:
- /* Although we are extracing data from an 8 byte wide field, we
- are returning only 4 bytes of data. */
+ /* Although we are extracing data from an 8 byte wide field,
+ we are returning only 4 bytes of data. */
return ((unsigned long) (field[7]))
| (((unsigned long) (field[6])) << 8)
| (((unsigned long) (field[5])) << 16)
}
}
+/* Return a pointer to section NAME, or NULL if no such section exists. */
+
+static Elf_Internal_Shdr *
+find_section (const char *name)
+{
+ unsigned int i;
+
+ for (i = 0; i < elf_header.e_shnum; i++)
+ if (streq (SECTION_NAME (section_headers + i), name))
+ return section_headers + i;
+
+ return NULL;
+}
+
/* Guess the relocation size commonly used by the specific machines. */
static int
if (relas == NULL)
{
- error(_("out of memory parsing relocs"));
+ error (_("out of memory parsing relocs"));
return 0;
}
if (relas == NULL)
{
- error(_("out of memory parsing relocs"));
+ error (_("out of memory parsing relocs"));
return 0;
}
if (rels == NULL)
{
- error(_("out of memory parsing relocs"));
+ error (_("out of memory parsing relocs"));
return 0;
}
if (rels == NULL)
{
- error(_("out of memory parsing relocs"));
+ error (_("out of memory parsing relocs"));
return 0;
}
Elf_Internal_Sym *symtab,
unsigned long nsyms,
char *strtab,
+ unsigned long strtablen,
int is_rela)
{
unsigned int i;
print_symbol (22, sec_name);
}
else if (strtab == NULL)
- printf (_("<string table index %3ld>"), psym->st_name);
+ printf (_("<string table index: %3ld>"), psym->st_name);
+ else if (psym->st_name > strtablen)
+ printf (_("<corrupt string table index: %3ld>"), psym->st_name);
else
print_symbol (22, strtab + psym->st_name);
}
else if (is_rela)
{
- printf ("%*c", is_32bit_elf ? (do_wide ? 34 : 28) : (do_wide ? 26 : 20), ' ');
+ printf ("%*c", is_32bit_elf ?
+ (do_wide ? 34 : 28) : (do_wide ? 26 : 20), ' ');
print_vma (rels[i].r_addend, LONG_HEX);
}
if (elf_header.e_machine == EM_SPARCV9
- && !strcmp (rtype, "R_SPARC_OLO10"))
+ && streq (rtype, "R_SPARC_OLO10"))
printf (" + %lx", (unsigned long) ELF64_R_TYPE_DATA (info));
putchar ('\n');
else
printf ("%-17.17s", rtype2);
- printf("\n Type3: ");
+ printf ("\n Type3: ");
if (rtype3 == NULL)
#ifdef _bfd_int64_low
case EF_ARM_EABI_VER3:
strcat (buf, ", Version3 EABI");
+ break;
+
+ case EF_ARM_EABI_VER4:
+ strcat (buf, ", Version4 EABI");
while (e_flags)
{
unsigned flag;
decode_ARM_machine_flags (e_flags, buf);
break;
+ case EM_CYGNUS_FRV:
+ switch (e_flags & EF_FRV_CPU_MASK)
+ {
+ case EF_FRV_CPU_GENERIC:
+ break;
+
+ default:
+ strcat (buf, ", fr???");
+ break;
+
+ case EF_FRV_CPU_FR300:
+ strcat (buf, ", fr300");
+ break;
+
+ case EF_FRV_CPU_FR400:
+ strcat (buf, ", fr400");
+ break;
+ case EF_FRV_CPU_FR405:
+ strcat (buf, ", fr405");
+ break;
+
+ case EF_FRV_CPU_FR450:
+ strcat (buf, ", fr450");
+ break;
+
+ case EF_FRV_CPU_FR500:
+ strcat (buf, ", fr500");
+ break;
+ case EF_FRV_CPU_FR550:
+ strcat (buf, ", fr550");
+ break;
+
+ case EF_FRV_CPU_SIMPLE:
+ strcat (buf, ", simple");
+ break;
+ case EF_FRV_CPU_TOMCAT:
+ strcat (buf, ", tomcat");
+ break;
+ }
+ break;
+
case EM_68K:
if (e_flags & EF_CPU32)
strcat (buf, ", cpu32");
case E_MIPS_MACH_5400: strcat (buf, ", 5400"); break;
case E_MIPS_MACH_5500: strcat (buf, ", 5500"); break;
case E_MIPS_MACH_SB1: strcat (buf, ", sb1"); break;
+ case E_MIPS_MACH_9000: strcat (buf, ", 9000"); break;
case 0:
/* We simply ignore the field in this case to avoid confusion:
MIPS ELF does not specify EF_MIPS_MACH, it is a GNU
}
break;
-
+
case EM_SPARCV9:
if (e_flags & EF_SPARC_32PLUS)
strcat (buf, ", v8+");
static const char *
get_ia64_section_type_name (unsigned int sh_type)
{
- /* If the top 8 bits are 0x78 the next 8 are the os/abi ID. */
+ /* If the top 8 bits are 0x78 the next 8 are the os/abi ID. */
if ((sh_type & 0xFF000000) == SHT_IA_64_LOPSREG)
return get_osabi_name ((sh_type & 0x00FF0000) >> 16);
return NULL;
}
+static const char *
+get_x86_64_section_type_name (unsigned int sh_type)
+{
+ switch (sh_type)
+ {
+ case SHT_X86_64_UNWIND: return "X86_64_UNWIND";
+ default:
+ break;
+ }
+ return NULL;
+}
+
+static const char *
+get_arm_section_type_name (unsigned int sh_type)
+{
+ switch (sh_type)
+ {
+ case SHT_ARM_EXIDX:
+ return "ARM_EXIDX";
+ default:
+ break;
+ }
+ return NULL;
+}
+
static const char *
get_section_type_name (unsigned int sh_type)
{
case EM_IA_64:
result = get_ia64_section_type_name (sh_type);
break;
+ case EM_X86_64:
+ result = get_x86_64_section_type_name (sh_type);
+ break;
+ case EM_ARM:
+ result = get_arm_section_type_name (sh_type);
+ break;
default:
result = NULL;
break;
-A --arch-specific Display architecture specific information (if any).\n\
-D --use-dynamic Use the dynamic section info when displaying symbols\n\
-x --hex-dump=<number> Dump the contents of section <number>\n\
- -w[liaprmfFso] or\n\
- --debug-dump[=line,=info,=abbrev,=pubnames,=ranges,=macro,=frames,=str,=loc]\n\
+ -w[liaprmfFsoR] or\n\
+ --debug-dump[=line,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=str,=loc,=Ranges]\n\
Display the contents of DWARF2 debug sections\n"));
#ifdef SUPPORT_DISASSEMBLY
fprintf (stdout, _("\
exit (0);
}
+/* Record the fact that the user wants the contents of section number
+ SECTION to be displayed using the method(s) encoded as flags bits
+ in TYPE. Note, TYPE can be zero if we are creating the array for
+ the first time. */
+
static void
request_dump (unsigned int section, int type)
{
break;
case 'r':
- case 'R':
do_debug_aranges = 1;
break;
+ case 'R':
+ do_debug_ranges = 1;
+ break;
+
case 'F':
do_debug_frames_interp = 1;
case 'f':
do_debugging = 1;
else
{
- static const char *debug_dump_opt[]
- = { "line", "info", "abbrev", "pubnames", "ranges",
- "macro", "frames", "frames-interp", "str", "loc", NULL };
- unsigned int index;
+ typedef struct
+ {
+ const char * option;
+ int * variable;
+ }
+ debug_dump_long_opts;
+
+ debug_dump_long_opts opts_table [] =
+ {
+ /* Please keep this table alpha- sorted. */
+ { "Ranges", & do_debug_ranges },
+ { "abbrev", & do_debug_abbrevs },
+ { "aranges", & do_debug_aranges },
+ { "frames", & do_debug_frames },
+ { "frames-interp", & do_debug_frames_interp },
+ { "info", & do_debug_info },
+ { "line", & do_debug_lines },
+ { "loc", & do_debug_loc },
+ { "macro", & do_debug_macinfo },
+ { "pubnames", & do_debug_pubnames },
+ /* This entry is for compatability
+ with earlier versions of readelf. */
+ { "ranges", & do_debug_aranges },
+ { "str", & do_debug_str },
+ { NULL, NULL }
+ };
+
const char *p;
do_debugging = 0;
p = optarg;
while (*p)
{
- for (index = 0; debug_dump_opt[index]; index++)
+ debug_dump_long_opts * entry;
+
+ for (entry = opts_table; entry->option; entry++)
{
- size_t len = strlen (debug_dump_opt[index]);
+ size_t len = strlen (entry->option);
- if (strncmp (p, debug_dump_opt[index], len) == 0
+ if (strneq (p, entry->option, len)
&& (p[len] == ',' || p[len] == '\0'))
{
- switch (p[0])
- {
- case 'i':
- do_debug_info = 1;
- break;
-
- case 'a':
- do_debug_abbrevs = 1;
- break;
-
- case 'l':
- if (p[1] == 'i')
- do_debug_lines = 1;
- else
- do_debug_loc = 1;
- break;
-
- case 'p':
- do_debug_pubnames = 1;
- break;
-
- case 'r':
- do_debug_aranges = 1;
- break;
-
- case 'f':
- if (len > 6)
- do_debug_frames_interp = 1;
- do_debug_frames = 1;
- break;
-
- case 'm':
- do_debug_macinfo = 1;
- break;
-
- case 's':
- do_debug_str = 1;
- break;
- }
+ * entry->variable = 1;
+
+ /* The --debug-dump=frames-interp option also
+ enables the --debug-dump=frames option. */
+ if (do_debug_frames_interp)
+ do_debug_frames = 1;
p += len;
break;
}
}
- if (debug_dump_opt[index] == NULL)
+ if (entry->option == NULL)
{
warn (_("Unrecognized debug option '%s'\n"), p);
p = strchr (p, ',');
else if (argc < 3)
{
warn (_("Nothing to do.\n"));
- usage();
+ usage ();
}
}
if (section_headers != NULL)
{
Elf_Internal_Shdr *sec;
- unsigned int j;
- for (j = 0, sec = section_headers;
- j < elf_header.e_shnum;
- j++, sec++)
- if (strcmp (SECTION_NAME (sec), ".dynamic") == 0)
- break;
-
- if (j == elf_header.e_shnum || sec->sh_size == 0)
+ sec = find_section (".dynamic");
+ if (sec == NULL || sec->sh_size == 0)
{
error (_("no .dynamic section in the dynamic segment"));
break;
<= segment->p_vaddr + segment->p_memsz)
: ((bfd_vma) section->sh_offset >= segment->p_offset
&& (section->sh_offset + section->sh_size
- <= segment->p_offset + segment->p_filesz))))
+ <= segment->p_offset + segment->p_filesz)))
+ /* .tbss is special. It doesn't contribute memory space
+ to normal segments. */
+ && (!((section->sh_flags & SHF_TLS) != 0
+ && section->sh_type == SHT_NOBITS)
+ || segment->p_type == PT_TLS))
printf ("%s ", SECTION_NAME (section));
}
dynamic_syminfo = NULL;
symtab_shndx_hdr = NULL;
+ eh_addr_size = is_32bit_elf ? 4 : 8;
+ switch (elf_header.e_machine)
+ {
+ case EM_MIPS:
+ case EM_MIPS_RS3_LE:
+ /* The 64-bit MIPS EABI uses a combination of 32-bit ELF and 64-bit
+ FDE addresses. However, the ABI also has a semi-official ILP32
+ variant for which the normal FDE address size rules apply.
+
+ GCC 4.0 marks EABI64 objects with a dummy .gcc_compiled_longXX
+ section, where XX is the size of longs in bits. Unfortunately,
+ earlier compilers provided no way of distinguishing ILP32 objects
+ from LP64 objects, so if there's any doubt, we should assume that
+ the official LP64 form is being used. */
+ if ((elf_header.e_flags & EF_MIPS_ABI) == E_MIPS_ABI_EABI64
+ && find_section (".gcc_compiled_long32") == NULL)
+ eh_addr_size = 8;
+ break;
+ }
+
for (i = 0, section = section_headers;
i < elf_header.e_shnum;
i++, section++)
dynamic_symbols = GET_ELF_SYMBOLS (file, section);
}
else if (section->sh_type == SHT_STRTAB
- && strcmp (name, ".dynstr") == 0)
+ && streq (name, ".dynstr"))
{
if (dynamic_strings != NULL)
{
dynamic_strings = get_data (NULL, file, section->sh_offset,
section->sh_size, _("dynamic strings"));
+ dynamic_strings_length = section->sh_size;
}
else if (section->sh_type == SHT_SYMTAB_SHNDX)
{
else if ((do_debugging || do_debug_info || do_debug_abbrevs
|| do_debug_lines || do_debug_pubnames || do_debug_aranges
|| do_debug_frames || do_debug_macinfo || do_debug_str
- || do_debug_loc)
- && strncmp (name, ".debug_", 7) == 0)
+ || do_debug_loc || do_debug_ranges)
+ && strneq (name, ".debug_", 7))
{
name += 7;
if (do_debugging
- || (do_debug_info && (strcmp (name, "info") == 0))
- || (do_debug_abbrevs && (strcmp (name, "abbrev") == 0))
- || (do_debug_lines && (strcmp (name, "line") == 0))
- || (do_debug_pubnames && (strcmp (name, "pubnames") == 0))
- || (do_debug_aranges && (strcmp (name, "aranges") == 0))
- || (do_debug_frames && (strcmp (name, "frame") == 0))
- || (do_debug_macinfo && (strcmp (name, "macinfo") == 0))
- || (do_debug_str && (strcmp (name, "str") == 0))
- || (do_debug_loc && (strcmp (name, "loc") == 0))
+ || (do_debug_info && streq (name, "info"))
+ || (do_debug_abbrevs && streq (name, "abbrev"))
+ || (do_debug_lines && streq (name, "line"))
+ || (do_debug_pubnames && streq (name, "pubnames"))
+ || (do_debug_aranges && streq (name, "aranges"))
+ || (do_debug_ranges && streq (name, "ranges"))
+ || (do_debug_frames && streq (name, "frame"))
+ || (do_debug_macinfo && streq (name, "macinfo"))
+ || (do_debug_str && streq (name, "str"))
+ || (do_debug_loc && streq (name, "loc"))
)
request_dump (i, DEBUG_DUMP);
}
/* linkonce section to be combined with .debug_info at link time. */
else if ((do_debugging || do_debug_info)
- && strncmp (name, ".gnu.linkonce.wi.", 17) == 0)
+ && strneq (name, ".gnu.linkonce.wi.", 17))
request_dump (i, DEBUG_DUMP);
- else if (do_debug_frames && strcmp (name, ".eh_frame") == 0)
+ else if (do_debug_frames && streq (name, ".eh_frame"))
request_dump (i, DEBUG_DUMP);
}
group->root = g;
}
+ if (symtab)
+ free (symtab);
if (strtab)
free (strtab);
if (start)
};
/* Process the reloc section. */
+
static int
process_relocs (FILE *file)
{
offset_from_vma (file, rel_offset, rel_size),
rel_size,
dynamic_symbols, num_dynamic_syms,
- dynamic_strings, is_rela);
+ dynamic_strings, dynamic_strings_length, is_rela);
}
}
if (rel_size)
{
Elf_Internal_Shdr *strsec;
- Elf_Internal_Sym *symtab;
- char *strtab;
int is_rela;
- unsigned long nsyms;
printf (_("\nRelocation section "));
printf (_(" at offset 0x%lx contains %lu entries:\n"),
rel_offset, (unsigned long) (rel_size / section->sh_entsize));
- symtab = NULL;
- strtab = NULL;
- nsyms = 0;
+ is_rela = section->sh_type == SHT_RELA;
+
if (section->sh_link)
{
Elf_Internal_Shdr *symsec;
+ Elf_Internal_Sym *symtab;
+ unsigned long nsyms;
+ unsigned long strtablen;
+ char *strtab = NULL;
symsec = SECTION_HEADER (section->sh_link);
nsyms = symsec->sh_size / symsec->sh_entsize;
strtab = get_data (NULL, file, strsec->sh_offset,
strsec->sh_size, _("string table"));
- }
- is_rela = section->sh_type == SHT_RELA;
-
- dump_relocations (file, rel_offset, rel_size,
- symtab, nsyms, strtab, is_rela);
+ strtablen = strtab == NULL ? 0 : strsec->sh_size;
- if (strtab)
- free (strtab);
- if (symtab)
- free (symtab);
+ dump_relocations (file, rel_offset, rel_size,
+ symtab, nsyms, strtab, strtablen, is_rela);
+ if (strtab)
+ free (strtab);
+ free (symtab);
+ }
+ else
+ dump_relocations (file, rel_offset, rel_size,
+ NULL, 0, NULL, 0, is_rela);
found = 1;
}
return 1;
}
+/* Process the unwind section. */
+
#include "unwind-ia64.h"
/* An absolute address consists of a section and an offset. If the
bfd_vma offset;
};
-struct unw_aux_info
+struct ia64_unw_aux_info
{
- struct unw_table_entry
+ struct ia64_unw_table_entry
{
struct absaddr start;
struct absaddr end;
};
static void
-find_symbol_for_address (struct unw_aux_info *aux,
+find_symbol_for_address (Elf_Internal_Sym *symtab,
+ unsigned long nsyms,
+ const char *strtab,
+ unsigned long strtab_size,
struct absaddr addr,
const char **symname,
bfd_vma *offset)
Elf_Internal_Sym *sym, *best = NULL;
unsigned long i;
- for (i = 0, sym = aux->symtab; i < aux->nsyms; ++i, ++sym)
+ for (i = 0, sym = symtab; i < nsyms; ++i, ++sym)
{
if (ELF_ST_TYPE (sym->st_info) == STT_FUNC
&& sym->st_name != 0
}
if (best)
{
- *symname = (best->st_name >= aux->strtab_size
- ? "<corrupt>" : aux->strtab + best->st_name);
+ *symname = (best->st_name >= strtab_size
+ ? "<corrupt>" : strtab + best->st_name);
*offset = dist;
return;
}
}
static void
-dump_ia64_unwind (struct unw_aux_info *aux)
+dump_ia64_unwind (struct ia64_unw_aux_info *aux)
{
- bfd_vma addr_size;
- struct unw_table_entry *tp;
+ struct ia64_unw_table_entry *tp;
int in_body;
- addr_size = is_32bit_elf ? 4 : 8;
-
for (tp = aux->table; tp < aux->table + aux->table_len; ++tp)
{
bfd_vma stamp;
const unsigned char *head;
const char *procname;
- find_symbol_for_address (aux, tp->start, &procname, &offset);
+ find_symbol_for_address (aux->symtab, aux->nsyms, aux->strtab,
+ aux->strtab_size, tp->start, &procname, &offset);
fputs ("\n<", stdout);
(unsigned long) ((stamp & UNW_FLAG_MASK) >> 32),
UNW_FLAG_EHANDLER (stamp) ? " ehandler" : "",
UNW_FLAG_UHANDLER (stamp) ? " uhandler" : "",
- (unsigned long) (addr_size * UNW_LENGTH (stamp)));
+ (unsigned long) (eh_addr_size * UNW_LENGTH (stamp)));
if (UNW_VER (stamp) != 1)
{
}
in_body = 0;
- for (dp = head + 8; dp < head + 8 + addr_size * UNW_LENGTH (stamp);)
+ for (dp = head + 8; dp < head + 8 + eh_addr_size * UNW_LENGTH (stamp);)
dp = unw_decode (dp, in_body, & in_body);
}
}
static int
slurp_ia64_unwind_table (FILE *file,
- struct unw_aux_info *aux,
+ struct ia64_unw_aux_info *aux,
Elf_Internal_Shdr *sec)
{
- unsigned long size, addr_size, nrelas, i;
+ unsigned long size, nrelas, i;
Elf_Internal_Phdr *seg;
- struct unw_table_entry *tep;
+ struct ia64_unw_table_entry *tep;
Elf_Internal_Shdr *relsec;
Elf_Internal_Rela *rela, *rp;
unsigned char *table, *tp;
Elf_Internal_Sym *sym;
const char *relname;
- addr_size = is_32bit_elf ? 4 : 8;
-
/* First, find the starting address of the segment that includes
this section: */
if (!table)
return 0;
- tep = aux->table = xmalloc (size / (3 * addr_size) * sizeof (aux->table[0]));
- for (tp = table; tp < table + size; tp += 3 * addr_size, ++tep)
+ aux->table = xmalloc (size / (3 * eh_addr_size) * sizeof (aux->table[0]));
+ tep = aux->table;
+ for (tp = table; tp < table + size; tp += 3 * eh_addr_size, ++tep)
{
tep->start.section = SHN_UNDEF;
tep->end.section = SHN_UNDEF;
{
relname = elf_ia64_reloc_type (ELF32_R_TYPE (rp->r_info));
sym = aux->symtab + ELF32_R_SYM (rp->r_info);
-
- if (ELF32_ST_TYPE (sym->st_info) != STT_SECTION)
- {
- warn (_("Skipping unexpected symbol type %u\n"),
- ELF32_ST_TYPE (sym->st_info));
- continue;
- }
}
else
{
relname = elf_ia64_reloc_type (ELF64_R_TYPE (rp->r_info));
sym = aux->symtab + ELF64_R_SYM (rp->r_info);
-
- if (ELF64_ST_TYPE (sym->st_info) != STT_SECTION)
- {
- warn (_("Skipping unexpected symbol type %u\n"),
- ELF64_ST_TYPE (sym->st_info));
- continue;
- }
}
- if (strncmp (relname, "R_IA64_SEGREL", 13) != 0)
+ if (! strneq (relname, "R_IA64_SEGREL", 13))
{
warn (_("Skipping unexpected relocation type %s\n"), relname);
continue;
}
- i = rp->r_offset / (3 * addr_size);
+ i = rp->r_offset / (3 * eh_addr_size);
- switch (rp->r_offset/addr_size % 3)
+ switch (rp->r_offset/eh_addr_size % 3)
{
case 0:
aux->table[i].start.section = sym->st_shndx;
- aux->table[i].start.offset += rp->r_addend;
+ aux->table[i].start.offset += rp->r_addend + sym->st_value;
break;
case 1:
aux->table[i].end.section = sym->st_shndx;
- aux->table[i].end.offset += rp->r_addend;
+ aux->table[i].end.offset += rp->r_addend + sym->st_value;
break;
case 2:
aux->table[i].info.section = sym->st_shndx;
- aux->table[i].info.offset += rp->r_addend;
+ aux->table[i].info.offset += rp->r_addend + sym->st_value;
break;
default:
break;
free (rela);
}
- aux->table_len = size / (3 * addr_size);
+ aux->table_len = size / (3 * eh_addr_size);
return 1;
}
static int
-process_unwind (FILE *file)
+ia64_process_unwind (FILE *file)
{
Elf_Internal_Shdr *sec, *unwsec = NULL, *strsec;
- unsigned long i, addr_size, unwcount = 0, unwstart = 0;
- struct unw_aux_info aux;
-
- if (!do_unwind)
- return 1;
-
- if (elf_header.e_machine != EM_IA_64)
- {
- printf (_("\nThere are no unwind sections in this file.\n"));
- return 1;
- }
+ unsigned long i, unwcount = 0, unwstart = 0;
+ struct ia64_unw_aux_info aux;
memset (& aux, 0, sizeof (aux));
- addr_size = is_32bit_elf ? 4 : 8;
-
for (i = 0, sec = section_headers; i < elf_header.e_shnum; ++i, ++sec)
{
if (sec->sh_type == SHT_SYMTAB)
for (; g != NULL; g = g->next)
{
sec = SECTION_HEADER (g->section_index);
- if (strcmp (SECTION_NAME (sec),
- ELF_STRING_ia64_unwind_info) == 0)
- break;
+
+ if (streq (SECTION_NAME (sec), ELF_STRING_ia64_unwind_info))
+ break;
}
if (g == NULL)
i = elf_header.e_shnum;
}
- else if (strncmp (SECTION_NAME (unwsec),
- ELF_STRING_ia64_unwind_once, len) == 0)
+ else if (strneq (SECTION_NAME (unwsec), ELF_STRING_ia64_unwind_once, len))
{
- /* .gnu.linkonce.ia64unw.FOO -> .gnu.linkonce.ia64unwi.FOO */
+ /* .gnu.linkonce.ia64unw.FOO -> .gnu.linkonce.ia64unwi.FOO. */
len2 = sizeof (ELF_STRING_ia64_unwind_info_once) - 1;
suffix = SECTION_NAME (unwsec) + len;
for (i = 0, sec = section_headers; i < elf_header.e_shnum;
++i, ++sec)
- if (strncmp (SECTION_NAME (sec),
- ELF_STRING_ia64_unwind_info_once, len2) == 0
- && strcmp (SECTION_NAME (sec) + len2, suffix) == 0)
+ if (strneq (SECTION_NAME (sec), ELF_STRING_ia64_unwind_info_once, len2)
+ && streq (SECTION_NAME (sec) + len2, suffix))
break;
}
else
{
/* .IA_64.unwindFOO -> .IA_64.unwind_infoFOO
- .IA_64.unwind or BAR -> .IA_64.unwind_info */
+ .IA_64.unwind or BAR -> .IA_64.unwind_info. */
len = sizeof (ELF_STRING_ia64_unwind) - 1;
len2 = sizeof (ELF_STRING_ia64_unwind_info) - 1;
suffix = "";
- if (strncmp (SECTION_NAME (unwsec), ELF_STRING_ia64_unwind,
- len) == 0)
+ if (strneq (SECTION_NAME (unwsec), ELF_STRING_ia64_unwind, len))
suffix = SECTION_NAME (unwsec) + len;
for (i = 0, sec = section_headers; i < elf_header.e_shnum;
++i, ++sec)
- if (strncmp (SECTION_NAME (sec),
- ELF_STRING_ia64_unwind_info, len2) == 0
- && strcmp (SECTION_NAME (sec) + len2, suffix) == 0)
+ if (strneq (SECTION_NAME (sec), ELF_STRING_ia64_unwind_info, len2)
+ && streq (SECTION_NAME (sec) + len2, suffix))
break;
}
printf (_(" at offset 0x%lx contains %lu entries:\n"),
(unsigned long) unwsec->sh_offset,
- (unsigned long) (unwsec->sh_size / (3 * addr_size)));
+ (unsigned long) (unwsec->sh_size / (3 * eh_addr_size)));
(void) slurp_ia64_unwind_table (file, & aux, unwsec);
return 1;
}
+struct hppa_unw_aux_info
+ {
+ struct hppa_unw_table_entry
+ {
+ struct absaddr start;
+ struct absaddr end;
+ unsigned int Cannot_unwind:1; /* 0 */
+ unsigned int Millicode:1; /* 1 */
+ unsigned int Millicode_save_sr0:1; /* 2 */
+ unsigned int Region_description:2; /* 3..4 */
+ unsigned int reserved1:1; /* 5 */
+ unsigned int Entry_SR:1; /* 6 */
+ unsigned int Entry_FR:4; /* number saved */ /* 7..10 */
+ unsigned int Entry_GR:5; /* number saved */ /* 11..15 */
+ unsigned int Args_stored:1; /* 16 */
+ unsigned int Variable_Frame:1; /* 17 */
+ unsigned int Separate_Package_Body:1; /* 18 */
+ unsigned int Frame_Extension_Millicode:1; /* 19 */
+ unsigned int Stack_Overflow_Check:1; /* 20 */
+ unsigned int Two_Instruction_SP_Increment:1; /* 21 */
+ unsigned int Ada_Region:1; /* 22 */
+ unsigned int cxx_info:1; /* 23 */
+ unsigned int cxx_try_catch:1; /* 24 */
+ unsigned int sched_entry_seq:1; /* 25 */
+ unsigned int reserved2:1; /* 26 */
+ unsigned int Save_SP:1; /* 27 */
+ unsigned int Save_RP:1; /* 28 */
+ unsigned int Save_MRP_in_frame:1; /* 29 */
+ unsigned int extn_ptr_defined:1; /* 30 */
+ unsigned int Cleanup_defined:1; /* 31 */
+
+ unsigned int MPE_XL_interrupt_marker:1; /* 0 */
+ unsigned int HP_UX_interrupt_marker:1; /* 1 */
+ unsigned int Large_frame:1; /* 2 */
+ unsigned int Pseudo_SP_Set:1; /* 3 */
+ unsigned int reserved4:1; /* 4 */
+ unsigned int Total_frame_size:27; /* 5..31 */
+ }
+ *table; /* Unwind table. */
+ unsigned long table_len; /* Length of unwind table. */
+ bfd_vma seg_base; /* Starting address of segment. */
+ Elf_Internal_Sym *symtab; /* The symbol table. */
+ unsigned long nsyms; /* Number of symbols. */
+ char *strtab; /* The string table. */
+ unsigned long strtab_size; /* Size of string table. */
+ };
+
static void
-dynamic_section_mips_val (Elf_Internal_Dyn *entry)
+dump_hppa_unwind (struct hppa_unw_aux_info *aux)
{
- switch (entry->d_tag)
+ struct hppa_unw_table_entry *tp;
+
+ for (tp = aux->table; tp < aux->table + aux->table_len; ++tp)
{
- case DT_MIPS_FLAGS:
- if (entry->d_un.d_val == 0)
- printf ("NONE\n");
- else
- {
- static const char * opts[] =
- {
- "QUICKSTART", "NOTPOT", "NO_LIBRARY_REPLACEMENT",
- "NO_MOVE", "SGI_ONLY", "GUARANTEE_INIT", "DELTA_C_PLUS_PLUS",
- "GUARANTEE_START_INIT", "PIXIE", "DEFAULT_DELAY_LOAD",
- "REQUICKSTART", "REQUICKSTARTED", "CORD", "NO_UNRES_UNDEF",
- "RLD_ORDER_SAFE"
- };
- unsigned int cnt;
- int first = 1;
- for (cnt = 0; cnt < NUM_ELEM (opts); ++cnt)
- if (entry->d_un.d_val & (1 << cnt))
- {
- printf ("%s%s", first ? "" : " ", opts[cnt]);
- first = 0;
- }
- puts ("");
- }
- break;
+ bfd_vma offset;
+ const char *procname;
- case DT_MIPS_IVERSION:
- if (dynamic_strings != NULL)
- printf ("Interface Version: %s\n",
- dynamic_strings + entry->d_un.d_val);
- else
- printf ("%ld\n", (long) entry->d_un.d_ptr);
- break;
+ find_symbol_for_address (aux->symtab, aux->nsyms, aux->strtab,
+ aux->strtab_size, tp->start, &procname,
+ &offset);
- case DT_MIPS_TIME_STAMP:
- {
- char timebuf[20];
- struct tm *tmp;
+ fputs ("\n<", stdout);
- time_t time = entry->d_un.d_val;
- tmp = gmtime (&time);
- sprintf (timebuf, "%04u-%02u-%02uT%02u:%02u:%02u",
- tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
- tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
- printf ("Time Stamp: %s\n", timebuf);
- }
- break;
+ if (procname)
+ {
+ fputs (procname, stdout);
- case DT_MIPS_RLD_VERSION:
- case DT_MIPS_LOCAL_GOTNO:
- case DT_MIPS_CONFLICTNO:
- case DT_MIPS_LIBLISTNO:
- case DT_MIPS_SYMTABNO:
- case DT_MIPS_UNREFEXTNO:
- case DT_MIPS_HIPAGENO:
- case DT_MIPS_DELTA_CLASS_NO:
- case DT_MIPS_DELTA_INSTANCE_NO:
- case DT_MIPS_DELTA_RELOC_NO:
- case DT_MIPS_DELTA_SYM_NO:
- case DT_MIPS_DELTA_CLASSSYM_NO:
- case DT_MIPS_COMPACT_SIZE:
- printf ("%ld\n", (long) entry->d_un.d_ptr);
- break;
+ if (offset)
+ printf ("+%lx", (unsigned long) offset);
+ }
- default:
- printf ("%#lx\n", (long) entry->d_un.d_ptr);
+ fputs (">: [", stdout);
+ print_vma (tp->start.offset, PREFIX_HEX);
+ fputc ('-', stdout);
+ print_vma (tp->end.offset, PREFIX_HEX);
+ printf ("]\n\t");
+
+#define PF(_m) if (tp->_m) printf (#_m " ");
+#define PV(_m) if (tp->_m) printf (#_m "=%d ", tp->_m);
+ PF(Cannot_unwind);
+ PF(Millicode);
+ PF(Millicode_save_sr0);
+ /* PV(Region_description); */
+ PF(Entry_SR);
+ PV(Entry_FR);
+ PV(Entry_GR);
+ PF(Args_stored);
+ PF(Variable_Frame);
+ PF(Separate_Package_Body);
+ PF(Frame_Extension_Millicode);
+ PF(Stack_Overflow_Check);
+ PF(Two_Instruction_SP_Increment);
+ PF(Ada_Region);
+ PF(cxx_info);
+ PF(cxx_try_catch);
+ PF(sched_entry_seq);
+ PF(Save_SP);
+ PF(Save_RP);
+ PF(Save_MRP_in_frame);
+ PF(extn_ptr_defined);
+ PF(Cleanup_defined);
+ PF(MPE_XL_interrupt_marker);
+ PF(HP_UX_interrupt_marker);
+ PF(Large_frame);
+ PF(Pseudo_SP_Set);
+ PV(Total_frame_size);
+#undef PF
+#undef PV
}
-}
+ printf ("\n");
+}
-static void
-dynamic_section_parisc_val (Elf_Internal_Dyn *entry)
+static int
+slurp_hppa_unwind_table (FILE *file,
+ struct hppa_unw_aux_info *aux,
+ Elf_Internal_Shdr *sec)
{
- switch (entry->d_tag)
+ unsigned long size, unw_ent_size, nrelas, i;
+ Elf_Internal_Phdr *seg;
+ struct hppa_unw_table_entry *tep;
+ Elf_Internal_Shdr *relsec;
+ Elf_Internal_Rela *rela, *rp;
+ unsigned char *table, *tp;
+ Elf_Internal_Sym *sym;
+ const char *relname;
+
+ /* First, find the starting address of the segment that includes
+ this section. */
+
+ if (elf_header.e_phnum)
{
- case DT_HP_DLD_FLAGS:
- {
- static struct
- {
- long int bit;
- const char *str;
- }
- flags[] =
+ if (! get_program_headers (file))
+ return 0;
+
+ for (seg = program_headers;
+ seg < program_headers + elf_header.e_phnum;
+ ++seg)
{
- { DT_HP_DEBUG_PRIVATE, "HP_DEBUG_PRIVATE" },
- { DT_HP_DEBUG_CALLBACK, "HP_DEBUG_CALLBACK" },
- { DT_HP_DEBUG_CALLBACK_BOR, "HP_DEBUG_CALLBACK_BOR" },
- { DT_HP_NO_ENVVAR, "HP_NO_ENVVAR" },
- { DT_HP_BIND_NOW, "HP_BIND_NOW" },
- { DT_HP_BIND_NONFATAL, "HP_BIND_NONFATAL" },
- { DT_HP_BIND_VERBOSE, "HP_BIND_VERBOSE" },
- { DT_HP_BIND_RESTRICTED, "HP_BIND_RESTRICTED" },
- { DT_HP_BIND_SYMBOLIC, "HP_BIND_SYMBOLIC" },
- { DT_HP_RPATH_FIRST, "HP_RPATH_FIRST" },
- { DT_HP_BIND_DEPTH_FIRST, "HP_BIND_DEPTH_FIRST" }
- };
- int first = 1;
- size_t cnt;
- bfd_vma val = entry->d_un.d_val;
+ if (seg->p_type != PT_LOAD)
+ continue;
- for (cnt = 0; cnt < sizeof (flags) / sizeof (flags[0]); ++cnt)
- if (val & flags[cnt].bit)
+ if (sec->sh_addr >= seg->p_vaddr
+ && (sec->sh_addr + sec->sh_size <= seg->p_vaddr + seg->p_memsz))
{
- if (! first)
- putchar (' ');
+ aux->seg_base = seg->p_vaddr;
+ break;
+ }
+ }
+ }
+
+ /* Second, build the unwind table from the contents of the unwind
+ section. */
+ size = sec->sh_size;
+ table = get_data (NULL, file, sec->sh_offset, size, _("unwind table"));
+ if (!table)
+ return 0;
+
+ unw_ent_size = 2 * eh_addr_size + 8;
+
+ tep = aux->table = xmalloc (size / unw_ent_size * sizeof (aux->table[0]));
+
+ for (tp = table; tp < table + size; tp += (2 * eh_addr_size + 8), ++tep)
+ {
+ unsigned int tmp1, tmp2;
+
+ tep->start.section = SHN_UNDEF;
+ tep->end.section = SHN_UNDEF;
+
+ if (is_32bit_elf)
+ {
+ tep->start.offset = byte_get ((unsigned char *) tp + 0, 4);
+ tep->end.offset = byte_get ((unsigned char *) tp + 4, 4);
+ tmp1 = byte_get ((unsigned char *) tp + 8, 4);
+ tmp2 = byte_get ((unsigned char *) tp + 12, 4);
+ }
+ else
+ {
+ tep->start.offset = BYTE_GET8 ((unsigned char *) tp + 0);
+ tep->end.offset = BYTE_GET8 ((unsigned char *) tp + 8);
+ tmp1 = byte_get ((unsigned char *) tp + 16, 4);
+ tmp2 = byte_get ((unsigned char *) tp + 20, 4);
+ }
+
+ tep->Cannot_unwind = (tmp1 >> 31) & 0x1;
+ tep->Millicode = (tmp1 >> 30) & 0x1;
+ tep->Millicode_save_sr0 = (tmp1 >> 29) & 0x1;
+ tep->Region_description = (tmp1 >> 27) & 0x3;
+ tep->reserved1 = (tmp1 >> 26) & 0x1;
+ tep->Entry_SR = (tmp1 >> 25) & 0x1;
+ tep->Entry_FR = (tmp1 >> 21) & 0xf;
+ tep->Entry_GR = (tmp1 >> 16) & 0x1f;
+ tep->Args_stored = (tmp1 >> 15) & 0x1;
+ tep->Variable_Frame = (tmp1 >> 14) & 0x1;
+ tep->Separate_Package_Body = (tmp1 >> 13) & 0x1;
+ tep->Frame_Extension_Millicode = (tmp1 >> 12) & 0x1;
+ tep->Stack_Overflow_Check = (tmp1 >> 11) & 0x1;
+ tep->Two_Instruction_SP_Increment = (tmp1 >> 10) & 0x1;
+ tep->Ada_Region = (tmp1 >> 9) & 0x1;
+ tep->cxx_info = (tmp1 >> 8) & 0x1;
+ tep->cxx_try_catch = (tmp1 >> 7) & 0x1;
+ tep->sched_entry_seq = (tmp1 >> 6) & 0x1;
+ tep->reserved2 = (tmp1 >> 5) & 0x1;
+ tep->Save_SP = (tmp1 >> 4) & 0x1;
+ tep->Save_RP = (tmp1 >> 3) & 0x1;
+ tep->Save_MRP_in_frame = (tmp1 >> 2) & 0x1;
+ tep->extn_ptr_defined = (tmp1 >> 1) & 0x1;
+ tep->Cleanup_defined = tmp1 & 0x1;
+
+ tep->MPE_XL_interrupt_marker = (tmp2 >> 31) & 0x1;
+ tep->HP_UX_interrupt_marker = (tmp2 >> 30) & 0x1;
+ tep->Large_frame = (tmp2 >> 29) & 0x1;
+ tep->Pseudo_SP_Set = (tmp2 >> 28) & 0x1;
+ tep->reserved4 = (tmp2 >> 27) & 0x1;
+ tep->Total_frame_size = tmp2 & 0x7ffffff;
+
+ tep->start.offset += aux->seg_base;
+ tep->end.offset += aux->seg_base;
+ }
+ free (table);
+
+ /* Third, apply any relocations to the unwind table. */
+
+ for (relsec = section_headers;
+ relsec < section_headers + elf_header.e_shnum;
+ ++relsec)
+ {
+ if (relsec->sh_type != SHT_RELA
+ || SECTION_HEADER (relsec->sh_info) != sec)
+ continue;
+
+ if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size,
+ & rela, & nrelas))
+ return 0;
+
+ for (rp = rela; rp < rela + nrelas; ++rp)
+ {
+ if (is_32bit_elf)
+ {
+ relname = elf_hppa_reloc_type (ELF32_R_TYPE (rp->r_info));
+ sym = aux->symtab + ELF32_R_SYM (rp->r_info);
+ }
+ else
+ {
+ relname = elf_hppa_reloc_type (ELF64_R_TYPE (rp->r_info));
+ sym = aux->symtab + ELF64_R_SYM (rp->r_info);
+ }
+
+ /* R_PARISC_SEGREL32 or R_PARISC_SEGREL64. */
+ if (strncmp (relname, "R_PARISC_SEGREL", 15) != 0)
+ {
+ warn (_("Skipping unexpected relocation type %s\n"), relname);
+ continue;
+ }
+
+ i = rp->r_offset / unw_ent_size;
+
+ switch ((rp->r_offset % unw_ent_size) / eh_addr_size)
+ {
+ case 0:
+ aux->table[i].start.section = sym->st_shndx;
+ aux->table[i].start.offset += sym->st_value + rp->r_addend;
+ break;
+ case 1:
+ aux->table[i].end.section = sym->st_shndx;
+ aux->table[i].end.offset += sym->st_value + rp->r_addend;
+ break;
+ default:
+ break;
+ }
+ }
+
+ free (rela);
+ }
+
+ aux->table_len = size / unw_ent_size;
+
+ return 1;
+}
+
+static int
+hppa_process_unwind (FILE *file)
+{
+ struct hppa_unw_aux_info aux;
+ Elf_Internal_Shdr *unwsec = NULL;
+ Elf_Internal_Shdr *strsec;
+ Elf_Internal_Shdr *sec;
+ unsigned long i;
+
+ memset (& aux, 0, sizeof (aux));
+
+ assert (string_table != NULL);
+
+ for (i = 0, sec = section_headers; i < elf_header.e_shnum; ++i, ++sec)
+ {
+ if (sec->sh_type == SHT_SYMTAB)
+ {
+ aux.nsyms = sec->sh_size / sec->sh_entsize;
+ aux.symtab = GET_ELF_SYMBOLS (file, sec);
+
+ strsec = SECTION_HEADER (sec->sh_link);
+ aux.strtab_size = strsec->sh_size;
+ aux.strtab = get_data (NULL, file, strsec->sh_offset,
+ aux.strtab_size, _("string table"));
+ }
+ else if (streq (SECTION_NAME (sec), ".PARISC.unwind"))
+ unwsec = sec;
+ }
+
+ if (!unwsec)
+ printf (_("\nThere are no unwind sections in this file.\n"));
+
+ for (i = 0, sec = section_headers; i < elf_header.e_shnum; ++i, ++sec)
+ {
+ if (streq (SECTION_NAME (sec), ".PARISC.unwind"))
+ {
+ printf (_("\nUnwind section "));
+ printf (_("'%s'"), SECTION_NAME (sec));
+
+ printf (_(" at offset 0x%lx contains %lu entries:\n"),
+ (unsigned long) sec->sh_offset,
+ (unsigned long) (sec->sh_size / (2 * eh_addr_size + 8)));
+
+ slurp_hppa_unwind_table (file, &aux, sec);
+ if (aux.table_len > 0)
+ dump_hppa_unwind (&aux);
+
+ if (aux.table)
+ free ((char *) aux.table);
+ aux.table = NULL;
+ }
+ }
+
+ if (aux.symtab)
+ free (aux.symtab);
+ if (aux.strtab)
+ free ((char *) aux.strtab);
+
+ return 1;
+}
+
+static int
+process_unwind (FILE *file)
+{
+ struct unwind_handler {
+ int machtype;
+ int (*handler)(FILE *file);
+ } handlers[] = {
+ { EM_IA_64, ia64_process_unwind },
+ { EM_PARISC, hppa_process_unwind },
+ { 0, 0 }
+ };
+ int i;
+
+ if (!do_unwind)
+ return 1;
+
+ for (i = 0; handlers[i].handler != NULL; i++)
+ if (elf_header.e_machine == handlers[i].machtype)
+ return handlers[i].handler (file);
+
+ printf (_("\nThere are no unwind sections in this file.\n"));
+ return 1;
+}
+
+static void
+dynamic_section_mips_val (Elf_Internal_Dyn *entry)
+{
+ switch (entry->d_tag)
+ {
+ case DT_MIPS_FLAGS:
+ if (entry->d_un.d_val == 0)
+ printf ("NONE\n");
+ else
+ {
+ static const char * opts[] =
+ {
+ "QUICKSTART", "NOTPOT", "NO_LIBRARY_REPLACEMENT",
+ "NO_MOVE", "SGI_ONLY", "GUARANTEE_INIT", "DELTA_C_PLUS_PLUS",
+ "GUARANTEE_START_INIT", "PIXIE", "DEFAULT_DELAY_LOAD",
+ "REQUICKSTART", "REQUICKSTARTED", "CORD", "NO_UNRES_UNDEF",
+ "RLD_ORDER_SAFE"
+ };
+ unsigned int cnt;
+ int first = 1;
+ for (cnt = 0; cnt < NUM_ELEM (opts); ++cnt)
+ if (entry->d_un.d_val & (1 << cnt))
+ {
+ printf ("%s%s", first ? "" : " ", opts[cnt]);
+ first = 0;
+ }
+ puts ("");
+ }
+ break;
+
+ case DT_MIPS_IVERSION:
+ if (VALID_DYNAMIC_NAME (entry->d_un.d_val))
+ printf ("Interface Version: %s\n", GET_DYNAMIC_NAME (entry->d_un.d_val));
+ else
+ printf ("<corrupt: %ld>\n", (long) entry->d_un.d_ptr);
+ break;
+
+ case DT_MIPS_TIME_STAMP:
+ {
+ char timebuf[20];
+ struct tm *tmp;
+
+ time_t time = entry->d_un.d_val;
+ tmp = gmtime (&time);
+ sprintf (timebuf, "%04u-%02u-%02uT%02u:%02u:%02u",
+ tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
+ tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+ printf ("Time Stamp: %s\n", timebuf);
+ }
+ break;
+
+ case DT_MIPS_RLD_VERSION:
+ case DT_MIPS_LOCAL_GOTNO:
+ case DT_MIPS_CONFLICTNO:
+ case DT_MIPS_LIBLISTNO:
+ case DT_MIPS_SYMTABNO:
+ case DT_MIPS_UNREFEXTNO:
+ case DT_MIPS_HIPAGENO:
+ case DT_MIPS_DELTA_CLASS_NO:
+ case DT_MIPS_DELTA_INSTANCE_NO:
+ case DT_MIPS_DELTA_RELOC_NO:
+ case DT_MIPS_DELTA_SYM_NO:
+ case DT_MIPS_DELTA_CLASSSYM_NO:
+ case DT_MIPS_COMPACT_SIZE:
+ printf ("%ld\n", (long) entry->d_un.d_ptr);
+ break;
+
+ default:
+ printf ("%#lx\n", (long) entry->d_un.d_ptr);
+ }
+}
+
+
+static void
+dynamic_section_parisc_val (Elf_Internal_Dyn *entry)
+{
+ switch (entry->d_tag)
+ {
+ case DT_HP_DLD_FLAGS:
+ {
+ static struct
+ {
+ long int bit;
+ const char *str;
+ }
+ flags[] =
+ {
+ { DT_HP_DEBUG_PRIVATE, "HP_DEBUG_PRIVATE" },
+ { DT_HP_DEBUG_CALLBACK, "HP_DEBUG_CALLBACK" },
+ { DT_HP_DEBUG_CALLBACK_BOR, "HP_DEBUG_CALLBACK_BOR" },
+ { DT_HP_NO_ENVVAR, "HP_NO_ENVVAR" },
+ { DT_HP_BIND_NOW, "HP_BIND_NOW" },
+ { DT_HP_BIND_NONFATAL, "HP_BIND_NONFATAL" },
+ { DT_HP_BIND_VERBOSE, "HP_BIND_VERBOSE" },
+ { DT_HP_BIND_RESTRICTED, "HP_BIND_RESTRICTED" },
+ { DT_HP_BIND_SYMBOLIC, "HP_BIND_SYMBOLIC" },
+ { DT_HP_RPATH_FIRST, "HP_RPATH_FIRST" },
+ { DT_HP_BIND_DEPTH_FIRST, "HP_BIND_DEPTH_FIRST" }
+ };
+ int first = 1;
+ size_t cnt;
+ bfd_vma val = entry->d_un.d_val;
+
+ for (cnt = 0; cnt < sizeof (flags) / sizeof (flags[0]); ++cnt)
+ if (val & flags[cnt].bit)
+ {
+ if (! first)
+ putchar (' ');
fputs (flags[cnt].str, stdout);
first = 0;
val ^= flags[cnt].bit;
dynamic_strings = get_data (NULL, file, offset, str_tab_len,
_("dynamic string table"));
+ dynamic_strings_length = str_tab_len;
break;
}
}
break;
}
- if (dynamic_strings)
- printf (": [%s]\n", dynamic_strings + entry->d_un.d_val);
+ if (VALID_DYNAMIC_NAME (entry->d_un.d_val))
+ printf (": [%s]\n", GET_DYNAMIC_NAME (entry->d_un.d_val));
else
{
printf (": ");
{
char *name;
- if (dynamic_strings == NULL)
- name = NULL;
+ if (VALID_DYNAMIC_NAME (entry->d_un.d_val))
+ name = GET_DYNAMIC_NAME (entry->d_un.d_val);
else
- name = dynamic_strings + entry->d_un.d_val;
+ name = NULL;
if (name)
{
case DT_NEEDED:
printf (_("Shared library: [%s]"), name);
- if (strcmp (name, program_interpreter) == 0)
+ if (streq (name, program_interpreter))
printf (_(" program interpreter"));
break;
case DT_FINI_ARRAY:
if (do_dynamic)
{
- if (dynamic_strings != NULL && entry->d_tag == DT_USED)
+ if (entry->d_tag == DT_USED
+ && VALID_DYNAMIC_NAME (entry->d_un.d_val))
{
- char *name;
-
- name = dynamic_strings + entry->d_un.d_val;
+ char *name = GET_DYNAMIC_NAME (entry->d_un.d_val);
if (*name)
{
aux.vda_name = BYTE_GET (eaux->vda_name);
aux.vda_next = BYTE_GET (eaux->vda_next);
- if (dynamic_strings)
- printf (_("Name: %s\n"), dynamic_strings + aux.vda_name);
+ if (VALID_DYNAMIC_NAME (aux.vda_name))
+ printf (_("Name: %s\n"), GET_DYNAMIC_NAME (aux.vda_name));
else
printf (_("Name index: %ld\n"), aux.vda_name);
aux.vda_name = BYTE_GET (eaux->vda_name);
aux.vda_next = BYTE_GET (eaux->vda_next);
- if (dynamic_strings)
+ if (VALID_DYNAMIC_NAME (aux.vda_name))
printf (_(" %#06x: Parent %d: %s\n"),
- isum, j, dynamic_strings + aux.vda_name);
+ isum, j, GET_DYNAMIC_NAME (aux.vda_name));
else
printf (_(" %#06x: Parent %d, name index: %ld\n"),
isum, j, aux.vda_name);
printf (_(" %#06x: Version: %d"), idx, ent.vn_version);
- if (dynamic_strings)
- printf (_(" File: %s"), dynamic_strings + ent.vn_file);
+ if (VALID_DYNAMIC_NAME (ent.vn_file))
+ printf (_(" File: %s"), GET_DYNAMIC_NAME (ent.vn_file));
else
printf (_(" File: %lx"), ent.vn_file);
aux.vna_name = BYTE_GET (eaux->vna_name);
aux.vna_next = BYTE_GET (eaux->vna_next);
- if (dynamic_strings)
+ if (VALID_DYNAMIC_NAME (aux.vna_name))
printf (_(" %#06x: Name: %s"),
- isum, dynamic_strings + aux.vna_name);
+ isum, GET_DYNAMIC_NAME (aux.vna_name));
else
printf (_(" %#06x: Name index: %lx"),
isum, aux.vna_name);
printf (" %6s", get_symbol_binding (ELF_ST_BIND (psym->st_info)));
printf (" %3s", get_symbol_visibility (ELF_ST_VISIBILITY (psym->st_other)));
printf (" %3.3s ", get_symbol_index_type (psym->st_shndx));
- print_symbol (25, dynamic_strings + psym->st_name);
+ if (VALID_DYNAMIC_NAME (psym->st_name))
+ print_symbol (25, GET_DYNAMIC_NAME (psym->st_name));
+ else
+ printf (" <corrupt: %14ld>", psym->st_name);
putchar ('\n');
}
}
unsigned short int flags = dynamic_syminfo[i].si_flags;
printf ("%4d: ", i);
- print_symbol (30, dynamic_strings + dynamic_symbols[i].st_name);
+ if (VALID_DYNAMIC_NAME (dynamic_symbols[i].st_name))
+ print_symbol (30, GET_DYNAMIC_NAME (dynamic_symbols[i].st_name));
+ else
+ printf ("<corrupt: %19ld>", dynamic_symbols[i].st_name);
putchar (' ');
switch (dynamic_syminfo[i].si_boundto)
break;
default:
if (dynamic_syminfo[i].si_boundto > 0
- && dynamic_syminfo[i].si_boundto < dynamic_nent)
+ && dynamic_syminfo[i].si_boundto < dynamic_nent
+ && VALID_DYNAMIC_NAME (dynamic_section[dynamic_syminfo[i].si_boundto].d_un.d_val))
{
- print_symbol (10,
- dynamic_strings
- + (dynamic_section
- [dynamic_syminfo[i].si_boundto].d_un.d_val));
+ print_symbol (10, GET_DYNAMIC_NAME (dynamic_section[dynamic_syminfo[i].si_boundto].d_un.d_val));
putchar (' ' );
}
else
}
#ifdef SUPPORT_DISASSEMBLY
-static void
+static int
disassemble_section (Elf_Internal_Shdr *section, FILE *file)
{
printf (_("\nAssembly dump of section %s\n"),
{
unsigned long int result = 0;
unsigned int num_read = 0;
- int shift = 0;
+ unsigned int shift = 0;
unsigned char byte;
do
byte = *data++;
num_read++;
- result |= (byte & 0x7f) << shift;
+ result |= ((unsigned long int) (byte & 0x7f)) << shift;
shift += 7;
if (length_return != NULL)
*length_return = num_read;
- if (sign && (shift < 32) && (byte & 0x40))
- result |= -1 << shift;
+ if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40))
+ result |= -1L << shift;
return result;
}
/* Handled an extend line op. Returns true if this is the end
of sequence. */
+
static int
process_extended_line_op (unsigned char *data, int is_stmt, int pointer_size)
{
return len;
}
-/* Finds section NAME inside FILE and returns a
- pointer to it, or NULL upon failure. */
+static const char *debug_str_contents;
+static bfd_vma debug_str_size;
-static Elf_Internal_Shdr *
-find_section (const char * name)
-{
+static void
+load_debug_str (FILE *file)
+{
Elf_Internal_Shdr *sec;
- unsigned int i;
- for (i = elf_header.e_shnum, sec = section_headers + i - 1;
- i; --i, --sec)
- if (strcmp (SECTION_NAME (sec), name) == 0)
- break;
-
- if (i && sec && sec->sh_size != 0)
- return sec;
+ /* If it is already loaded, do nothing. */
+ if (debug_str_contents != NULL)
+ return;
- return NULL;
-}
+ /* Locate the .debug_str section. */
+ sec = find_section (".debug_str");
+ if (sec == NULL)
+ return;
-/* Size of pointers in the .debug_line section. This information is not
- really present in that section. It's obtained before dumping the debug
- sections by doing some pre-scan of the .debug_info section. */
-static unsigned int * debug_line_pointer_sizes = NULL;
-static unsigned int num_debug_line_pointer_sizes = 0;
+ debug_str_size = sec->sh_size;
-/* Locate and scan the .debug_info section in the file and record the pointer
- sizes for the compilation units in it. Usually an executable will have
- just one pointer size, but this is not guaranteed, and so we try not to
- make any assumptions. Returns zero upon failure, or the number of
- compilation units upon success. */
+ debug_str_contents = get_data (NULL, file, sec->sh_offset, sec->sh_size,
+ _("debug_str section data"));
+}
-static unsigned int
-get_debug_line_pointer_sizes (FILE * file)
+static void
+free_debug_str (void)
{
- Elf_Internal_Shdr * section;
- unsigned char * start;
- unsigned char * end;
- unsigned char * begin;
- unsigned long length;
- unsigned int num_units;
- unsigned int unit;
-
- section = find_section (".debug_info");
- if (section == NULL)
- return 0;
-
- length = section->sh_size;
- start = get_data (NULL, file, section->sh_offset, section->sh_size,
- _("extracting pointer sizes from .debug_info section"));
- if (start == NULL)
- return 0;
+ if (debug_str_contents == NULL)
+ return;
- end = start + section->sh_size;
- /* First scan the section to get the number of comp units. */
- for (begin = start, num_units = 0; begin < end; num_units++)
- {
- /* Read the first 4 bytes. For a 32-bit DWARF section, this will
- be the length. For a 64-bit DWARF section, it'll be the escape
- code 0xffffffff followed by an 8 byte length. */
- length = byte_get (begin, 4);
+ free ((char *) debug_str_contents);
+ debug_str_contents = NULL;
+ debug_str_size = 0;
+}
- if (length == 0xffffffff)
- {
- length = byte_get (begin + 4, 8);
- begin += length + 12;
- }
- else
- begin += length + 4;
- }
+static const char *
+fetch_indirect_string (unsigned long offset)
+{
+ if (debug_str_contents == NULL)
+ return _("<no .debug_str section>");
- if (num_units == 0)
- {
- error (_("No comp units in .debug_info section ?"));
- free (start);
- return 0;
- }
+ if (offset > debug_str_size)
+ return _("<offset is too big>");
- /* Then allocate an array to hold the pointer sizes. */
- debug_line_pointer_sizes = malloc (num_units * sizeof * debug_line_pointer_sizes);
- if (debug_line_pointer_sizes == NULL)
- {
- error (_("Not enough memory for a pointer size array of %u entries"),
- num_units);
- free (start);
- return 0;
- }
+ return debug_str_contents + offset;
+}
- /* Populate the array. */
- for (begin = start, unit = 0; begin < end; unit++)
- {
- length = byte_get (begin, 4);
- if (length == 0xffffffff)
- {
- /* For 64-bit DWARF, the 1-byte address_size field is 22 bytes
- from the start of the section. This is computed as follows:
+static const char *debug_loc_contents;
+static bfd_vma debug_loc_size;
- unit_length: 12 bytes
- version: 2 bytes
- debug_abbrev_offset: 8 bytes
- -----------------------------
- Total: 22 bytes */
+static void
+load_debug_loc (FILE *file)
+{
+ Elf_Internal_Shdr *sec;
- debug_line_pointer_sizes [unit] = byte_get (begin + 22, 1);
- length = byte_get (begin + 4, 8);
- begin += length + 12;
- }
- else
- {
- /* For 32-bit DWARF, the 1-byte address_size field is 10 bytes from
- the start of the section:
+ /* If it is already loaded, do nothing. */
+ if (debug_loc_contents != NULL)
+ return;
- unit_length: 4 bytes
- version: 2 bytes
- debug_abbrev_offset: 4 bytes
- -----------------------------
- Total: 10 bytes */
+ /* Locate the .debug_loc section. */
+ sec = find_section (".debug_loc");
+ if (sec == NULL)
+ return;
- debug_line_pointer_sizes [unit] = byte_get (begin + 10, 1);
- begin += length + 4;
- }
- }
+ debug_loc_size = sec->sh_size;
- free (start);
- num_debug_line_pointer_sizes = num_units;
- return num_units;
+ debug_loc_contents = get_data (NULL, file, sec->sh_offset, sec->sh_size,
+ _("debug_loc section data"));
}
-static int
-display_debug_lines (Elf_Internal_Shdr *section,
- unsigned char *start, FILE *file)
+static void
+free_debug_loc (void)
{
- unsigned char *hdrptr;
- DWARF2_Internal_LineInfo info;
- unsigned char *standard_opcodes;
- unsigned char *data = start;
- unsigned char *end = start + section->sh_size;
- unsigned char *end_of_sequence;
- int i;
- int offset_size;
- int initial_length_size;
- unsigned int comp_unit = 0;
+ if (debug_loc_contents == NULL)
+ return;
- printf (_("\nDump of debug contents of section %s:\n\n"),
- SECTION_NAME (section));
+ free ((char *) debug_loc_contents);
+ debug_loc_contents = NULL;
+ debug_loc_size = 0;
+}
- if (num_debug_line_pointer_sizes == 0)
- get_debug_line_pointer_sizes (file);
+static const char * debug_range_contents;
+static unsigned long debug_range_size;
- while (data < end)
- {
- unsigned int pointer_size;
+static void
+load_debug_range (FILE *file)
+{
+ Elf_Internal_Shdr *sec;
- hdrptr = data;
+ /* If it is already loaded, do nothing. */
+ if (debug_range_contents != NULL)
+ return;
- /* Check the length of the block. */
- info.li_length = byte_get (hdrptr, 4);
- hdrptr += 4;
+ /* Locate the .debug_str section. */
+ sec = find_section (".debug_ranges");
+ if (sec == NULL)
+ return;
- if (info.li_length == 0xffffffff)
- {
- /* This section is 64-bit DWARF 3. */
- info.li_length = byte_get (hdrptr, 8);
- hdrptr += 8;
- offset_size = 8;
- initial_length_size = 12;
- }
- else
- {
- offset_size = 4;
- initial_length_size = 4;
- }
+ debug_range_size = sec->sh_size;
- if (info.li_length + initial_length_size > section->sh_size)
- {
- warn
- (_("The line info appears to be corrupt - the section is too small\n"));
- return 0;
- }
+ debug_range_contents = get_data (NULL, file, sec->sh_offset, sec->sh_size,
+ _("debug_range section data"));
+}
- /* Check its version number. */
- info.li_version = byte_get (hdrptr, 2);
- hdrptr += 2;
- if (info.li_version != 2 && info.li_version != 3)
- {
- warn (_("Only DWARF version 2 and 3 line info is currently supported.\n"));
- return 0;
- }
+static void
+free_debug_range (void)
+{
+ if (debug_range_contents == NULL)
+ return;
- info.li_prologue_length = byte_get (hdrptr, offset_size);
- hdrptr += offset_size;
- info.li_min_insn_length = byte_get (hdrptr, 1);
- hdrptr++;
- info.li_default_is_stmt = byte_get (hdrptr, 1);
- hdrptr++;
- info.li_line_base = byte_get (hdrptr, 1);
- hdrptr++;
- info.li_line_range = byte_get (hdrptr, 1);
- hdrptr++;
- info.li_opcode_base = byte_get (hdrptr, 1);
- hdrptr++;
+ free ((char *) debug_range_contents);
+ debug_range_contents = NULL;
+ debug_range_size = 0;
+}
- /* Sign extend the line base field. */
- info.li_line_base <<= 24;
- info.li_line_base >>= 24;
+/* Apply addends of RELA relocations. */
- /* Get the pointer size from the comp unit associated
- with this block of line number information. */
- if (comp_unit >= num_debug_line_pointer_sizes)
- {
- error (_("Not enough comp units for .debug_lines section\n"));
- return 0;
- }
- else
- {
- pointer_size = debug_line_pointer_sizes [comp_unit];
- comp_unit ++;
- }
+static int
+debug_apply_rela_addends (FILE *file,
+ Elf_Internal_Shdr *section,
+ int reloc_size,
+ unsigned char *sec_data,
+ unsigned char *start,
+ unsigned char *end)
+{
+ Elf_Internal_Shdr *relsec;
- printf (_(" Length: %ld\n"), info.li_length);
- printf (_(" DWARF Version: %d\n"), info.li_version);
- printf (_(" Prologue Length: %d\n"), info.li_prologue_length);
- printf (_(" Minimum Instruction Length: %d\n"), info.li_min_insn_length);
- printf (_(" Initial value of 'is_stmt': %d\n"), info.li_default_is_stmt);
- printf (_(" Line Base: %d\n"), info.li_line_base);
- printf (_(" Line Range: %d\n"), info.li_line_range);
- printf (_(" Opcode Base: %d\n"), info.li_opcode_base);
- printf (_(" (Pointer size: %u)\n"), pointer_size);
+ if (end - start < reloc_size)
+ return 1;
- end_of_sequence = data + info.li_length + initial_length_size;
+ for (relsec = section_headers;
+ relsec < section_headers + elf_header.e_shnum;
+ ++relsec)
+ {
+ unsigned long nrelas;
+ Elf_Internal_Rela *rela, *rp;
+ Elf_Internal_Shdr *symsec;
+ Elf_Internal_Sym *symtab;
+ Elf_Internal_Sym *sym;
- reset_state_machine (info.li_default_is_stmt);
+ if (relsec->sh_type != SHT_RELA
+ || SECTION_HEADER (relsec->sh_info) != section
+ || relsec->sh_size == 0)
+ continue;
- /* Display the contents of the Opcodes table. */
- standard_opcodes = hdrptr;
+ if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size,
+ &rela, &nrelas))
+ return 0;
- printf (_("\n Opcodes:\n"));
+ symsec = SECTION_HEADER (relsec->sh_link);
+ symtab = GET_ELF_SYMBOLS (file, symsec);
- for (i = 1; i < info.li_opcode_base; i++)
- printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]);
+ for (rp = rela; rp < rela + nrelas; ++rp)
+ {
+ unsigned char *loc;
- /* Display the contents of the Directory table. */
- data = standard_opcodes + info.li_opcode_base - 1;
+ if (rp->r_offset >= (bfd_vma) (start - sec_data)
+ && rp->r_offset < (bfd_vma) (end - sec_data) - reloc_size)
+ loc = sec_data + rp->r_offset;
+ else
+ continue;
- if (*data == 0)
- printf (_("\n The Directory Table is empty.\n"));
- else
- {
- printf (_("\n The Directory Table:\n"));
+ if (is_32bit_elf)
+ {
+ sym = symtab + ELF32_R_SYM (rp->r_info);
- while (*data != 0)
+ if (ELF32_R_SYM (rp->r_info) != 0
+ && ELF32_ST_TYPE (sym->st_info) != STT_SECTION
+ /* Relocations against object symbols can happen,
+ eg when referencing a global array. For an
+ example of this see the _clz.o binary in libgcc.a. */
+ && ELF32_ST_TYPE (sym->st_info) != STT_OBJECT)
+ {
+ warn (_("%s: skipping unexpected symbol type %s in relocation in section .rela%s\n"),
+ get_symbol_type (ELF32_ST_TYPE (sym->st_info)),
+ SECTION_NAME (section));
+ continue;
+ }
+ }
+ else
{
- printf (_(" %s\n"), data);
+ sym = symtab + ELF64_R_SYM (rp->r_info);
- data += strlen ((char *) data) + 1;
+ if (ELF64_R_SYM (rp->r_info) != 0
+ && ELF64_ST_TYPE (sym->st_info) != STT_SECTION
+ && ELF64_ST_TYPE (sym->st_info) != STT_OBJECT)
+ {
+ warn (_("skipping unexpected symbol type %s in relocation in section .rela.%s\n"),
+ get_symbol_type (ELF64_ST_TYPE (sym->st_info)),
+ SECTION_NAME (section));
+ continue;
+ }
}
+
+ byte_put (loc, rp->r_addend, reloc_size);
}
- /* Skip the NUL at the end of the table. */
- data++;
-
- /* Display the contents of the File Name table. */
- if (*data == 0)
- printf (_("\n The File Name Table is empty.\n"));
- else
- {
- printf (_("\n The File Name Table:\n"));
- printf (_(" Entry\tDir\tTime\tSize\tName\n"));
-
- while (*data != 0)
- {
- unsigned char *name;
- int bytes_read;
-
- printf (_(" %d\t"), ++state_machine_regs.last_file_entry);
- name = data;
+ free (symtab);
+ free (rela);
+ break;
+ }
+ return 1;
+}
- data += strlen ((char *) data) + 1;
+/* FIXME: There are better and more efficient ways to handle
+ these structures. For now though, I just want something that
+ is simple to implement. */
+typedef struct abbrev_attr
+{
+ unsigned long attribute;
+ unsigned long form;
+ struct abbrev_attr *next;
+}
+abbrev_attr;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
- data += bytes_read;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
- data += bytes_read;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
- data += bytes_read;
- printf (_("%s\n"), name);
- }
- }
+typedef struct abbrev_entry
+{
+ unsigned long entry;
+ unsigned long tag;
+ int children;
+ struct abbrev_attr *first_attr;
+ struct abbrev_attr *last_attr;
+ struct abbrev_entry *next;
+}
+abbrev_entry;
- /* Skip the NUL at the end of the table. */
- data++;
+static abbrev_entry *first_abbrev = NULL;
+static abbrev_entry *last_abbrev = NULL;
- /* Now display the statements. */
- printf (_("\n Line Number Statements:\n"));
+static void
+free_abbrevs (void)
+{
+ abbrev_entry *abbrev;
+ for (abbrev = first_abbrev; abbrev;)
+ {
+ abbrev_entry *next = abbrev->next;
+ abbrev_attr *attr;
- while (data < end_of_sequence)
+ for (attr = abbrev->first_attr; attr;)
{
- unsigned char op_code;
- int adv;
- int bytes_read;
-
- op_code = *data++;
+ abbrev_attr *next = attr->next;
- if (op_code >= info.li_opcode_base)
- {
- op_code -= info.li_opcode_base;
- adv = (op_code / info.li_line_range) * info.li_min_insn_length;
- state_machine_regs.address += adv;
- printf (_(" Special opcode %d: advance Address by %d to 0x%lx"),
- op_code, adv, state_machine_regs.address);
- adv = (op_code % info.li_line_range) + info.li_line_base;
- state_machine_regs.line += adv;
- printf (_(" and Line by %d to %d\n"),
- adv, state_machine_regs.line);
- }
- else switch (op_code)
- {
- case DW_LNS_extended_op:
- data += process_extended_line_op (data, info.li_default_is_stmt,
- pointer_size);
- break;
+ free (attr);
+ attr = next;
+ }
- case DW_LNS_copy:
- printf (_(" Copy\n"));
- break;
+ free (abbrev);
+ abbrev = next;
+ }
- case DW_LNS_advance_pc:
- adv = info.li_min_insn_length * read_leb128 (data, & bytes_read, 0);
- data += bytes_read;
- state_machine_regs.address += adv;
- printf (_(" Advance PC by %d to %lx\n"), adv,
- state_machine_regs.address);
- break;
+ last_abbrev = first_abbrev = NULL;
+}
- case DW_LNS_advance_line:
- adv = read_leb128 (data, & bytes_read, 1);
- data += bytes_read;
- state_machine_regs.line += adv;
- printf (_(" Advance Line by %d to %d\n"), adv,
- state_machine_regs.line);
- break;
+static void
+add_abbrev (unsigned long number, unsigned long tag, int children)
+{
+ abbrev_entry *entry;
- case DW_LNS_set_file:
- adv = read_leb128 (data, & bytes_read, 0);
- data += bytes_read;
- printf (_(" Set File Name to entry %d in the File Name Table\n"),
- adv);
- state_machine_regs.file = adv;
- break;
+ entry = malloc (sizeof (*entry));
- case DW_LNS_set_column:
- adv = read_leb128 (data, & bytes_read, 0);
- data += bytes_read;
- printf (_(" Set column to %d\n"), adv);
- state_machine_regs.column = adv;
- break;
+ if (entry == NULL)
+ /* ugg */
+ return;
- case DW_LNS_negate_stmt:
- adv = state_machine_regs.is_stmt;
- adv = ! adv;
- printf (_(" Set is_stmt to %d\n"), adv);
- state_machine_regs.is_stmt = adv;
- break;
+ entry->entry = number;
+ entry->tag = tag;
+ entry->children = children;
+ entry->first_attr = NULL;
+ entry->last_attr = NULL;
+ entry->next = NULL;
- case DW_LNS_set_basic_block:
- printf (_(" Set basic block\n"));
- state_machine_regs.basic_block = 1;
- break;
+ if (first_abbrev == NULL)
+ first_abbrev = entry;
+ else
+ last_abbrev->next = entry;
- case DW_LNS_const_add_pc:
- adv = (((255 - info.li_opcode_base) / info.li_line_range)
- * info.li_min_insn_length);
- state_machine_regs.address += adv;
- printf (_(" Advance PC by constant %d to 0x%lx\n"), adv,
- state_machine_regs.address);
- break;
+ last_abbrev = entry;
+}
- case DW_LNS_fixed_advance_pc:
- adv = byte_get (data, 2);
- data += 2;
- state_machine_regs.address += adv;
- printf (_(" Advance PC by fixed size amount %d to 0x%lx\n"),
- adv, state_machine_regs.address);
- break;
+static void
+add_abbrev_attr (unsigned long attribute, unsigned long form)
+{
+ abbrev_attr *attr;
- case DW_LNS_set_prologue_end:
- printf (_(" Set prologue_end to true\n"));
- break;
+ attr = malloc (sizeof (*attr));
- case DW_LNS_set_epilogue_begin:
- printf (_(" Set epilogue_begin to true\n"));
- break;
+ if (attr == NULL)
+ /* ugg */
+ return;
- case DW_LNS_set_isa:
- adv = read_leb128 (data, & bytes_read, 0);
- data += bytes_read;
- printf (_(" Set ISA to %d\n"), adv);
- break;
+ attr->attribute = attribute;
+ attr->form = form;
+ attr->next = NULL;
- default:
- printf (_(" Unknown opcode %d with operands: "), op_code);
- {
- int i;
- for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
- {
- printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0),
- i == 1 ? "" : ", ");
- data += bytes_read;
- }
- putchar ('\n');
- }
- break;
- }
- }
- putchar ('\n');
- }
+ if (last_abbrev->first_attr == NULL)
+ last_abbrev->first_attr = attr;
+ else
+ last_abbrev->last_attr->next = attr;
- return 1;
+ last_abbrev->last_attr = attr;
}
-static int
-display_debug_pubnames (Elf_Internal_Shdr *section,
- unsigned char *start,
- FILE *file ATTRIBUTE_UNUSED)
-{
- DWARF2_Internal_PubNames pubnames;
- unsigned char *end;
-
- end = start + section->sh_size;
+/* Processes the (partial) contents of a .debug_abbrev section.
+ Returns NULL if the end of the section was encountered.
+ Returns the address after the last byte read if the end of
+ an abbreviation set was found. */
- printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
+static unsigned char *
+process_abbrev_section (unsigned char *start, unsigned char *end)
+{
+ if (first_abbrev != NULL)
+ return NULL;
while (start < end)
{
- unsigned char *data;
- unsigned long offset;
- int offset_size, initial_length_size;
+ int bytes_read;
+ unsigned long entry;
+ unsigned long tag;
+ unsigned long attribute;
+ int children;
- data = start;
+ entry = read_leb128 (start, & bytes_read, 0);
+ start += bytes_read;
- pubnames.pn_length = byte_get (data, 4);
- data += 4;
- if (pubnames.pn_length == 0xffffffff)
- {
- pubnames.pn_length = byte_get (data, 8);
- data += 8;
- offset_size = 8;
- initial_length_size = 12;
- }
- else
- {
- offset_size = 4;
- initial_length_size = 4;
- }
-
- pubnames.pn_version = byte_get (data, 2);
- data += 2;
- pubnames.pn_offset = byte_get (data, offset_size);
- data += offset_size;
- pubnames.pn_size = byte_get (data, offset_size);
- data += offset_size;
-
- start += pubnames.pn_length + initial_length_size;
-
- if (pubnames.pn_version != 2 && pubnames.pn_version != 3)
- {
- static int warned = 0;
-
- if (! warned)
- {
- warn (_("Only DWARF 2 and 3 pubnames are currently supported\n"));
- warned = 1;
- }
+ /* A single zero is supposed to end the section according
+ to the standard. If there's more, then signal that to
+ the caller. */
+ if (entry == 0)
+ return start == end ? NULL : start;
- continue;
- }
+ tag = read_leb128 (start, & bytes_read, 0);
+ start += bytes_read;
- printf (_(" Length: %ld\n"),
- pubnames.pn_length);
- printf (_(" Version: %d\n"),
- pubnames.pn_version);
- printf (_(" Offset into .debug_info section: %ld\n"),
- pubnames.pn_offset);
- printf (_(" Size of area in .debug_info section: %ld\n"),
- pubnames.pn_size);
+ children = *start++;
- printf (_("\n Offset\tName\n"));
+ add_abbrev (entry, tag, children);
do
{
- offset = byte_get (data, offset_size);
+ unsigned long form;
- if (offset != 0)
- {
- data += offset_size;
- printf (" %-6ld\t\t%s\n", offset, data);
- data += strlen ((char *) data) + 1;
- }
+ attribute = read_leb128 (start, & bytes_read, 0);
+ start += bytes_read;
+
+ form = read_leb128 (start, & bytes_read, 0);
+ start += bytes_read;
+
+ if (attribute != 0)
+ add_abbrev_attr (attribute, form);
}
- while (offset != 0);
+ while (attribute != 0);
}
- printf ("\n");
- return 1;
+ return NULL;
}
static char *
}
}
-static char *
-get_AT_name (unsigned long attribute)
-{
- switch (attribute)
- {
- case DW_AT_sibling: return "DW_AT_sibling";
- case DW_AT_location: return "DW_AT_location";
- case DW_AT_name: return "DW_AT_name";
- case DW_AT_ordering: return "DW_AT_ordering";
- case DW_AT_subscr_data: return "DW_AT_subscr_data";
- case DW_AT_byte_size: return "DW_AT_byte_size";
- case DW_AT_bit_offset: return "DW_AT_bit_offset";
- case DW_AT_bit_size: return "DW_AT_bit_size";
- case DW_AT_element_list: return "DW_AT_element_list";
- case DW_AT_stmt_list: return "DW_AT_stmt_list";
- case DW_AT_low_pc: return "DW_AT_low_pc";
- case DW_AT_high_pc: return "DW_AT_high_pc";
- case DW_AT_language: return "DW_AT_language";
- case DW_AT_member: return "DW_AT_member";
- case DW_AT_discr: return "DW_AT_discr";
- case DW_AT_discr_value: return "DW_AT_discr_value";
- case DW_AT_visibility: return "DW_AT_visibility";
- case DW_AT_import: return "DW_AT_import";
- case DW_AT_string_length: return "DW_AT_string_length";
- case DW_AT_common_reference: return "DW_AT_common_reference";
- case DW_AT_comp_dir: return "DW_AT_comp_dir";
- case DW_AT_const_value: return "DW_AT_const_value";
- case DW_AT_containing_type: return "DW_AT_containing_type";
- case DW_AT_default_value: return "DW_AT_default_value";
- case DW_AT_inline: return "DW_AT_inline";
- case DW_AT_is_optional: return "DW_AT_is_optional";
- case DW_AT_lower_bound: return "DW_AT_lower_bound";
- case DW_AT_producer: return "DW_AT_producer";
- case DW_AT_prototyped: return "DW_AT_prototyped";
- case DW_AT_return_addr: return "DW_AT_return_addr";
- case DW_AT_start_scope: return "DW_AT_start_scope";
- case DW_AT_stride_size: return "DW_AT_stride_size";
- case DW_AT_upper_bound: return "DW_AT_upper_bound";
- case DW_AT_abstract_origin: return "DW_AT_abstract_origin";
- case DW_AT_accessibility: return "DW_AT_accessibility";
- case DW_AT_address_class: return "DW_AT_address_class";
- case DW_AT_artificial: return "DW_AT_artificial";
- case DW_AT_base_types: return "DW_AT_base_types";
- case DW_AT_calling_convention: return "DW_AT_calling_convention";
- case DW_AT_count: return "DW_AT_count";
- case DW_AT_data_member_location: return "DW_AT_data_member_location";
- case DW_AT_decl_column: return "DW_AT_decl_column";
- case DW_AT_decl_file: return "DW_AT_decl_file";
- case DW_AT_decl_line: return "DW_AT_decl_line";
- case DW_AT_declaration: return "DW_AT_declaration";
- case DW_AT_discr_list: return "DW_AT_discr_list";
- case DW_AT_encoding: return "DW_AT_encoding";
- case DW_AT_external: return "DW_AT_external";
- case DW_AT_frame_base: return "DW_AT_frame_base";
- case DW_AT_friend: return "DW_AT_friend";
- case DW_AT_identifier_case: return "DW_AT_identifier_case";
- case DW_AT_macro_info: return "DW_AT_macro_info";
- case DW_AT_namelist_items: return "DW_AT_namelist_items";
- case DW_AT_priority: return "DW_AT_priority";
- case DW_AT_segment: return "DW_AT_segment";
- case DW_AT_specification: return "DW_AT_specification";
- case DW_AT_static_link: return "DW_AT_static_link";
- case DW_AT_type: return "DW_AT_type";
- case DW_AT_use_location: return "DW_AT_use_location";
- case DW_AT_variable_parameter: return "DW_AT_variable_parameter";
- case DW_AT_virtuality: return "DW_AT_virtuality";
- case DW_AT_vtable_elem_location: return "DW_AT_vtable_elem_location";
- /* DWARF 2.1 values. */
- case DW_AT_allocated: return "DW_AT_allocated";
- case DW_AT_associated: return "DW_AT_associated";
- case DW_AT_data_location: return "DW_AT_data_location";
- case DW_AT_stride: return "DW_AT_stride";
- case DW_AT_entry_pc: return "DW_AT_entry_pc";
- case DW_AT_use_UTF8: return "DW_AT_use_UTF8";
- case DW_AT_extension: return "DW_AT_extension";
- case DW_AT_ranges: return "DW_AT_ranges";
- case DW_AT_trampoline: return "DW_AT_trampoline";
- case DW_AT_call_column: return "DW_AT_call_column";
- case DW_AT_call_file: return "DW_AT_call_file";
- case DW_AT_call_line: return "DW_AT_call_line";
- /* SGI/MIPS extensions. */
- case DW_AT_MIPS_fde: return "DW_AT_MIPS_fde";
- case DW_AT_MIPS_loop_begin: return "DW_AT_MIPS_loop_begin";
- case DW_AT_MIPS_tail_loop_begin: return "DW_AT_MIPS_tail_loop_begin";
- case DW_AT_MIPS_epilog_begin: return "DW_AT_MIPS_epilog_begin";
- case DW_AT_MIPS_loop_unroll_factor: return "DW_AT_MIPS_loop_unroll_factor";
- case DW_AT_MIPS_software_pipeline_depth:
- return "DW_AT_MIPS_software_pipeline_depth";
- case DW_AT_MIPS_linkage_name: return "DW_AT_MIPS_linkage_name";
- case DW_AT_MIPS_stride: return "DW_AT_MIPS_stride";
- case DW_AT_MIPS_abstract_name: return "DW_AT_MIPS_abstract_name";
- case DW_AT_MIPS_clone_origin: return "DW_AT_MIPS_clone_origin";
- case DW_AT_MIPS_has_inlines: return "DW_AT_MIPS_has_inlines";
- /* GNU extensions. */
- case DW_AT_sf_names: return "DW_AT_sf_names";
- case DW_AT_src_info: return "DW_AT_src_info";
- case DW_AT_mac_info: return "DW_AT_mac_info";
- case DW_AT_src_coords: return "DW_AT_src_coords";
- case DW_AT_body_begin: return "DW_AT_body_begin";
- case DW_AT_body_end: return "DW_AT_body_end";
- case DW_AT_GNU_vector: return "DW_AT_GNU_vector";
- /* UPC extension. */
- case DW_AT_upc_threads_scaled: return "DW_AT_upc_threads_scaled";
- default:
- {
- static char buffer[100];
-
- sprintf (buffer, _("Unknown AT value: %lx"), attribute);
- return buffer;
- }
- }
-}
-
static char *
get_FORM_name (unsigned long form)
{
}
}
-/* FIXME: There are better and more efficient ways to handle
- these structures. For now though, I just want something that
- is simple to implement. */
-typedef struct abbrev_attr
+static unsigned char *
+display_block (unsigned char *data, unsigned long length)
{
- unsigned long attribute;
- unsigned long form;
- struct abbrev_attr *next;
-}
-abbrev_attr;
+ printf (_(" %lu byte block: "), length);
-typedef struct abbrev_entry
-{
- unsigned long entry;
- unsigned long tag;
- int children;
- struct abbrev_attr *first_attr;
- struct abbrev_attr *last_attr;
- struct abbrev_entry *next;
-}
-abbrev_entry;
+ while (length --)
+ printf ("%lx ", (unsigned long) byte_get (data++, 1));
-static abbrev_entry *first_abbrev = NULL;
-static abbrev_entry *last_abbrev = NULL;
+ return data;
+}
-static void
-free_abbrevs (void)
+static int
+decode_location_expression (unsigned char * data,
+ unsigned int pointer_size,
+ unsigned long length,
+ unsigned long cu_offset)
{
- abbrev_entry *abbrev;
+ unsigned op;
+ int bytes_read;
+ unsigned long uvalue;
+ unsigned char *end = data + length;
+ int need_frame_base = 0;
- for (abbrev = first_abbrev; abbrev;)
+ while (data < end)
{
- abbrev_entry *next = abbrev->next;
- abbrev_attr *attr;
+ op = *data++;
- for (attr = abbrev->first_attr; attr;)
- {
- abbrev_attr *next = attr->next;
-
- free (attr);
- attr = next;
- }
-
- free (abbrev);
- abbrev = next;
- }
-
- last_abbrev = first_abbrev = NULL;
-}
-
-static void
-add_abbrev (unsigned long number, unsigned long tag, int children)
-{
- abbrev_entry *entry;
-
- entry = malloc (sizeof (*entry));
-
- if (entry == NULL)
- /* ugg */
- return;
-
- entry->entry = number;
- entry->tag = tag;
- entry->children = children;
- entry->first_attr = NULL;
- entry->last_attr = NULL;
- entry->next = NULL;
-
- if (first_abbrev == NULL)
- first_abbrev = entry;
- else
- last_abbrev->next = entry;
-
- last_abbrev = entry;
-}
-
-static void
-add_abbrev_attr (unsigned long attribute, unsigned long form)
-{
- abbrev_attr *attr;
-
- attr = malloc (sizeof (*attr));
-
- if (attr == NULL)
- /* ugg */
- return;
-
- attr->attribute = attribute;
- attr->form = form;
- attr->next = NULL;
-
- if (last_abbrev->first_attr == NULL)
- last_abbrev->first_attr = attr;
- else
- last_abbrev->last_attr->next = attr;
-
- last_abbrev->last_attr = attr;
-}
-
-/* Processes the (partial) contents of a .debug_abbrev section.
- Returns NULL if the end of the section was encountered.
- Returns the address after the last byte read if the end of
- an abbreviation set was found. */
-
-static unsigned char *
-process_abbrev_section (unsigned char *start, unsigned char *end)
-{
- if (first_abbrev != NULL)
- return NULL;
-
- while (start < end)
- {
- int bytes_read;
- unsigned long entry;
- unsigned long tag;
- unsigned long attribute;
- int children;
-
- entry = read_leb128 (start, & bytes_read, 0);
- start += bytes_read;
-
- /* A single zero is supposed to end the section according
- to the standard. If there's more, then signal that to
- the caller. */
- if (entry == 0)
- return start == end ? NULL : start;
-
- tag = read_leb128 (start, & bytes_read, 0);
- start += bytes_read;
-
- children = *start++;
-
- add_abbrev (entry, tag, children);
-
- do
- {
- unsigned long form;
-
- attribute = read_leb128 (start, & bytes_read, 0);
- start += bytes_read;
-
- form = read_leb128 (start, & bytes_read, 0);
- start += bytes_read;
-
- if (attribute != 0)
- add_abbrev_attr (attribute, form);
- }
- while (attribute != 0);
- }
-
- return NULL;
-}
-
-
-static int
-display_debug_macinfo (Elf_Internal_Shdr *section,
- unsigned char *start,
- FILE *file ATTRIBUTE_UNUSED)
-{
- unsigned char *end = start + section->sh_size;
- unsigned char *curr = start;
- unsigned int bytes_read;
- enum dwarf_macinfo_record_type op;
-
- printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
-
- while (curr < end)
- {
- unsigned int lineno;
- const char *string;
-
- op = *curr;
- curr++;
-
- switch (op)
- {
- case DW_MACINFO_start_file:
- {
- unsigned int filenum;
-
- lineno = read_leb128 (curr, & bytes_read, 0);
- curr += bytes_read;
- filenum = read_leb128 (curr, & bytes_read, 0);
- curr += bytes_read;
-
- printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), lineno, filenum);
- }
- break;
-
- case DW_MACINFO_end_file:
- printf (_(" DW_MACINFO_end_file\n"));
- break;
-
- case DW_MACINFO_define:
- lineno = read_leb128 (curr, & bytes_read, 0);
- curr += bytes_read;
- string = curr;
- curr += strlen (string) + 1;
- printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"), lineno, string);
- break;
-
- case DW_MACINFO_undef:
- lineno = read_leb128 (curr, & bytes_read, 0);
- curr += bytes_read;
- string = curr;
- curr += strlen (string) + 1;
- printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"), lineno, string);
- break;
-
- case DW_MACINFO_vendor_ext:
- {
- unsigned int constant;
-
- constant = read_leb128 (curr, & bytes_read, 0);
- curr += bytes_read;
- string = curr;
- curr += strlen (string) + 1;
- printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), constant, string);
- }
- break;
- }
- }
-
- return 1;
-}
-
-
-static int
-display_debug_abbrev (Elf_Internal_Shdr *section,
- unsigned char *start,
- FILE *file ATTRIBUTE_UNUSED)
-{
- abbrev_entry *entry;
- unsigned char *end = start + section->sh_size;
-
- printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
-
- do
- {
- start = process_abbrev_section (start, end);
-
- if (first_abbrev == NULL)
- continue;
-
- printf (_(" Number TAG\n"));
-
- for (entry = first_abbrev; entry; entry = entry->next)
- {
- abbrev_attr *attr;
-
- printf (_(" %ld %s [%s]\n"),
- entry->entry,
- get_TAG_name (entry->tag),
- entry->children ? _("has children") : _("no children"));
-
- for (attr = entry->first_attr; attr; attr = attr->next)
- {
- printf (_(" %-18s %s\n"),
- get_AT_name (attr->attribute),
- get_FORM_name (attr->form));
- }
- }
-
- free_abbrevs ();
- }
- while (start);
-
- printf ("\n");
-
- return 1;
-}
-
-
-static unsigned char *
-display_block (unsigned char *data, unsigned long length)
-{
- printf (_(" %lu byte block: "), length);
-
- while (length --)
- printf ("%lx ", (unsigned long) byte_get (data++, 1));
-
- return data;
-}
-
-static void
-decode_location_expression (unsigned char * data,
- unsigned int pointer_size,
- unsigned long length)
-{
- unsigned op;
- int bytes_read;
- unsigned long uvalue;
- unsigned char *end = data + length;
-
- while (data < end)
- {
- op = *data++;
-
- switch (op)
+ switch (op)
{
case DW_OP_addr:
printf ("DW_OP_addr: %lx",
printf ("DW_OP_const1u: %lu", (unsigned long) byte_get (data++, 1));
break;
case DW_OP_const1s:
- printf ("DW_OP_const1s: %ld", (long) byte_get (data++, 1));
+ printf ("DW_OP_const1s: %ld", (long) byte_get_signed (data++, 1));
break;
case DW_OP_const2u:
printf ("DW_OP_const2u: %lu", (unsigned long) byte_get (data, 2));
data += 2;
break;
case DW_OP_const2s:
- printf ("DW_OP_const2s: %ld", (long) byte_get (data, 2));
+ printf ("DW_OP_const2s: %ld", (long) byte_get_signed (data, 2));
data += 2;
break;
case DW_OP_const4u:
data += 4;
break;
case DW_OP_const4s:
- printf ("DW_OP_const4s: %ld", (long) byte_get (data, 4));
+ printf ("DW_OP_const4s: %ld", (long) byte_get_signed (data, 4));
data += 4;
break;
case DW_OP_const8u:
printf ("DW_OP_xor");
break;
case DW_OP_bra:
- printf ("DW_OP_bra: %ld", (long) byte_get (data, 2));
+ printf ("DW_OP_bra: %ld", (long) byte_get_signed (data, 2));
data += 2;
break;
case DW_OP_eq:
printf ("DW_OP_ne");
break;
case DW_OP_skip:
- printf ("DW_OP_skip: %ld", (long) byte_get (data, 2));
+ printf ("DW_OP_skip: %ld", (long) byte_get_signed (data, 2));
data += 2;
break;
data += bytes_read;
break;
case DW_OP_fbreg:
+ need_frame_base = 1;
printf ("DW_OP_fbreg: %ld", read_leb128 (data, &bytes_read, 1));
data += bytes_read;
break;
printf ("DW_OP_push_object_address");
break;
case DW_OP_call2:
- printf ("DW_OP_call2: <%lx>", (long) byte_get (data, 2));
+ /* XXX: Strictly speaking for 64-bit DWARF3 files
+ this ought to be an 8-byte wide computation. */
+ printf ("DW_OP_call2: <%lx>", (long) byte_get (data, 2) + cu_offset);
data += 2;
break;
case DW_OP_call4:
- printf ("DW_OP_call4: <%lx>", (long) byte_get (data, 4));
+ /* XXX: Strictly speaking for 64-bit DWARF3 files
+ this ought to be an 8-byte wide computation. */
+ printf ("DW_OP_call4: <%lx>", (long) byte_get (data, 4) + cu_offset);
data += 4;
break;
case DW_OP_call_ref:
else
printf (_("(Unknown location op)"));
/* No way to tell where the next op is, so just bail. */
- return;
+ return need_frame_base;
}
/* Separate the ops. */
if (data < end)
printf ("; ");
}
-}
-
-static const char *debug_loc_contents;
-static bfd_vma debug_loc_size;
-static void
-load_debug_loc (FILE *file)
-{
- Elf_Internal_Shdr *sec;
-
- /* If it is already loaded, do nothing. */
- if (debug_loc_contents != NULL)
- return;
-
- /* Locate the .debug_loc section. */
- sec = find_section (".debug_loc");
- if (sec == NULL)
- return;
-
- debug_loc_size = sec->sh_size;
-
- debug_loc_contents = get_data (NULL, file, sec->sh_offset, sec->sh_size,
- _("debug_loc section data"));
+ return need_frame_base;
}
-static void
-free_debug_loc (void)
+/* This structure records the information that
+ we extract from the.debug_info section. */
+typedef struct
{
- if (debug_loc_contents == NULL)
- return;
-
- free ((char *) debug_loc_contents);
- debug_loc_contents = NULL;
- debug_loc_size = 0;
+ unsigned int pointer_size;
+ unsigned long cu_offset;
+ unsigned long base_address;
+ /* This is an array of offsets to the location list table. */
+ unsigned long *loc_offsets;
+ int *have_frame_base;
+ unsigned int num_loc_offsets;
+ unsigned int max_loc_offsets;
+ unsigned long *range_lists;
+ unsigned int num_range_lists;
+ unsigned int max_range_lists;
}
+debug_info;
-
-static int
-display_debug_loc (Elf_Internal_Shdr *section,
- unsigned char *start, FILE *file)
-{
- unsigned char *section_end;
- unsigned long bytes;
- unsigned char *section_begin = start;
- bfd_vma addr;
- unsigned int comp_unit = 0;
-
- addr = section->sh_addr;
- bytes = section->sh_size;
- section_end = start + bytes;
-
- if (bytes == 0)
- {
- printf (_("\nThe .debug_loc section is empty.\n"));
- return 0;
- }
-
- if (num_debug_line_pointer_sizes == 0)
- get_debug_line_pointer_sizes (file);
-
- printf (_("Contents of the .debug_loc section:\n\n"));
- printf (_("\n Offset Begin End Expression\n"));
-
- while (start < section_end)
- {
- unsigned long begin;
- unsigned long end;
- unsigned short length;
- unsigned long offset;
- unsigned int pointer_size;
-
- offset = start - section_begin;
-
- /* Get the pointer size from the comp unit associated
- with this block of location information. */
- if (comp_unit >= num_debug_line_pointer_sizes)
- {
- error (_("Not enough comp units for .debug_loc section\n"));
- return 0;
- }
- else
- {
- pointer_size = debug_line_pointer_sizes [comp_unit];
- comp_unit ++;
- }
-
- while (1)
- {
- begin = byte_get (start, pointer_size);
- start += pointer_size;
- end = byte_get (start, pointer_size);
- start += pointer_size;
-
- if (begin == 0 && end == 0)
- break;
-
- /* For now, skip any base address specifiers. */
- if (begin == 0xffffffff)
- continue;
-
- begin += addr;
- end += addr;
-
- length = byte_get (start, 2);
- start += 2;
-
- printf (" %8.8lx %8.8lx %8.8lx (", offset, begin, end);
- decode_location_expression (start, pointer_size, length);
- printf (")\n");
-
- start += length;
- }
- printf ("\n");
- }
- return 1;
-}
-
-static const char *debug_str_contents;
-static bfd_vma debug_str_size;
-
-static void
-load_debug_str (FILE *file)
-{
- Elf_Internal_Shdr *sec;
-
- /* If it is already loaded, do nothing. */
- if (debug_str_contents != NULL)
- return;
-
- /* Locate the .debug_str section. */
- sec = find_section (".debug_str");
- if (sec == NULL)
- return;
-
- debug_str_size = sec->sh_size;
-
- debug_str_contents = get_data (NULL, file, sec->sh_offset, sec->sh_size,
- _("debug_str section data"));
-}
-
-static void
-free_debug_str (void)
-{
- if (debug_str_contents == NULL)
- return;
-
- free ((char *) debug_str_contents);
- debug_str_contents = NULL;
- debug_str_size = 0;
-}
-
-static const char *
-fetch_indirect_string (unsigned long offset)
-{
- if (debug_str_contents == NULL)
- return _("<no .debug_str section>");
-
- if (offset > debug_str_size)
- return _("<offset is too big>");
-
- return debug_str_contents + offset;
-}
-
-static int
-display_debug_str (Elf_Internal_Shdr *section,
- unsigned char *start,
- FILE *file ATTRIBUTE_UNUSED)
-{
- unsigned long bytes;
- bfd_vma addr;
-
- addr = section->sh_addr;
- bytes = section->sh_size;
-
- if (bytes == 0)
- {
- printf (_("\nThe .debug_str section is empty.\n"));
- return 0;
- }
-
- printf (_("Contents of the .debug_str section:\n\n"));
-
- while (bytes)
- {
- int j;
- int k;
- int lbytes;
-
- lbytes = (bytes > 16 ? 16 : bytes);
-
- printf (" 0x%8.8lx ", (unsigned long) addr);
-
- for (j = 0; j < 16; j++)
- {
- if (j < lbytes)
- printf ("%2.2x", start[j]);
- else
- printf (" ");
-
- if ((j & 3) == 3)
- printf (" ");
- }
-
- for (j = 0; j < lbytes; j++)
- {
- k = start[j];
- if (k >= ' ' && k < 0x80)
- printf ("%c", k);
- else
- printf (".");
- }
-
- putchar ('\n');
-
- start += lbytes;
- addr += lbytes;
- bytes -= lbytes;
- }
-
- return 1;
-}
+static debug_info * debug_information = NULL;
+static unsigned int num_debug_info_entries = 0;
+static unsigned int last_pointer_size = 0;
+static int warned_about_missing_comp_units = FALSE;
static unsigned char *
read_and_display_attr_value (unsigned long attribute,
unsigned long cu_offset,
unsigned long pointer_size,
unsigned long offset_size,
- int dwarf_version)
+ int dwarf_version,
+ debug_info *debug_info_p,
+ int do_loc)
{
unsigned long uvalue = 0;
unsigned char *block_start = NULL;
case DW_FORM_indirect:
form = read_leb128 (data, & bytes_read, 0);
data += bytes_read;
- printf (" %s", get_FORM_name (form));
- return read_and_display_attr_value (attribute, form, data, cu_offset,
- pointer_size, offset_size,
- dwarf_version);
+ if (!do_loc)
+ printf (" %s", get_FORM_name (form));
+ return read_and_display_attr_value (attribute, form, data,
+ cu_offset, pointer_size,
+ offset_size, dwarf_version,
+ debug_info_p, do_loc);
}
switch (form)
{
case DW_FORM_ref_addr:
- printf (" <#%lx>", uvalue);
+ if (!do_loc)
+ printf (" <#%lx>", uvalue);
break;
case DW_FORM_ref1:
case DW_FORM_ref2:
case DW_FORM_ref4:
case DW_FORM_ref_udata:
- printf (" <%lx>", uvalue + cu_offset);
+ if (!do_loc)
+ printf (" <%lx>", uvalue + cu_offset);
break;
+ case DW_FORM_data4:
case DW_FORM_addr:
- printf (" %#lx", uvalue);
+ if (!do_loc)
+ printf (" %#lx", uvalue);
break;
case DW_FORM_flag:
case DW_FORM_data1:
case DW_FORM_data2:
- case DW_FORM_data4:
case DW_FORM_sdata:
case DW_FORM_udata:
- printf (" %ld", uvalue);
+ if (!do_loc)
+ printf (" %ld", uvalue);
break;
case DW_FORM_ref8:
case DW_FORM_data8:
- uvalue = byte_get (data, 4);
- printf (" %lx", uvalue);
- printf (" %lx", (unsigned long) byte_get (data + 4, 4));
+ if (!do_loc)
+ {
+ uvalue = byte_get (data, 4);
+ printf (" %lx", uvalue);
+ printf (" %lx", (unsigned long) byte_get (data + 4, 4));
+ }
+ if ((do_loc || do_debug_loc || do_debug_ranges)
+ && num_debug_info_entries == 0)
+ {
+ if (sizeof (uvalue) == 8)
+ uvalue = byte_get (data, 8);
+ else
+ error (_("DW_FORM_data8 is unsupported when sizeof (unsigned long) != 8\n"));
+ }
data += 8;
break;
case DW_FORM_string:
- printf (" %s", data);
+ if (!do_loc)
+ printf (" %s", data);
data += strlen ((char *) data) + 1;
break;
case DW_FORM_block:
uvalue = read_leb128 (data, & bytes_read, 0);
block_start = data + bytes_read;
- data = display_block (block_start, uvalue);
+ if (do_loc)
+ data = block_start + uvalue;
+ else
+ data = display_block (block_start, uvalue);
break;
case DW_FORM_block1:
uvalue = byte_get (data, 1);
block_start = data + 1;
- data = display_block (block_start, uvalue);
+ if (do_loc)
+ data = block_start + uvalue;
+ else
+ data = display_block (block_start, uvalue);
break;
case DW_FORM_block2:
uvalue = byte_get (data, 2);
block_start = data + 2;
- data = display_block (block_start, uvalue);
+ if (do_loc)
+ data = block_start + uvalue;
+ else
+ data = display_block (block_start, uvalue);
break;
case DW_FORM_block4:
uvalue = byte_get (data, 4);
block_start = data + 4;
- data = display_block (block_start, uvalue);
+ if (do_loc)
+ data = block_start + uvalue;
+ else
+ data = display_block (block_start, uvalue);
break;
case DW_FORM_strp:
- printf (_(" (indirect string, offset: 0x%lx): %s"),
- uvalue, fetch_indirect_string (uvalue));
+ if (!do_loc)
+ printf (_(" (indirect string, offset: 0x%lx): %s"),
+ uvalue, fetch_indirect_string (uvalue));
break;
case DW_FORM_indirect:
}
/* For some attributes we can display further information. */
+ if ((do_loc || do_debug_loc || do_debug_ranges)
+ && num_debug_info_entries == 0)
+ {
+ switch (attribute)
+ {
+ case DW_AT_frame_base:
+ have_frame_base = 1;
+ case DW_AT_location:
+ case DW_AT_data_member_location:
+ case DW_AT_vtable_elem_location:
+ case DW_AT_allocated:
+ case DW_AT_associated:
+ case DW_AT_data_location:
+ case DW_AT_stride:
+ case DW_AT_upper_bound:
+ case DW_AT_lower_bound:
+ if (form == DW_FORM_data4 || form == DW_FORM_data8)
+ {
+ /* Process location list. */
+ unsigned int max = debug_info_p->max_loc_offsets;
+ unsigned int num = debug_info_p->num_loc_offsets;
+
+ if (max == 0 || num >= max)
+ {
+ max += 1024;
+ debug_info_p->loc_offsets
+ = xrealloc (debug_info_p->loc_offsets,
+ max * sizeof (*debug_info_p->loc_offsets));
+ debug_info_p->have_frame_base
+ = xrealloc (debug_info_p->have_frame_base,
+ max * sizeof (*debug_info_p->have_frame_base));
+ debug_info_p->max_loc_offsets = max;
+ }
+ debug_info_p->loc_offsets [num] = uvalue;
+ debug_info_p->have_frame_base [num] = have_frame_base;
+ debug_info_p->num_loc_offsets++;
+ }
+ break;
+
+ case DW_AT_low_pc:
+ if (need_base_address)
+ debug_info_p->base_address = uvalue;
+ break;
+
+ case DW_AT_ranges:
+ if (form == DW_FORM_data4 || form == DW_FORM_data8)
+ {
+ /* Process range list. */
+ unsigned int max = debug_info_p->max_range_lists;
+ unsigned int num = debug_info_p->num_range_lists;
+
+ if (max == 0 || num >= max)
+ {
+ max += 1024;
+ debug_info_p->range_lists
+ = xrealloc (debug_info_p->range_lists,
+ max * sizeof (*debug_info_p->range_lists));
+ debug_info_p->max_range_lists = max;
+ }
+ debug_info_p->range_lists [num] = uvalue;
+ debug_info_p->num_range_lists++;
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if (do_loc)
+ return data;
printf ("\t");
}
break;
- case DW_AT_virtuality:
- switch (uvalue)
- {
- case DW_VIRTUALITY_none: printf ("(none)"); break;
- case DW_VIRTUALITY_virtual: printf ("(virtual)"); break;
- case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break;
- default: printf ("(unknown virtuality)"); break;
- }
- break;
+ case DW_AT_virtuality:
+ switch (uvalue)
+ {
+ case DW_VIRTUALITY_none: printf ("(none)"); break;
+ case DW_VIRTUALITY_virtual: printf ("(virtual)"); break;
+ case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break;
+ default: printf ("(unknown virtuality)"); break;
+ }
+ break;
+
+ case DW_AT_identifier_case:
+ switch (uvalue)
+ {
+ case DW_ID_case_sensitive: printf ("(case_sensitive)"); break;
+ case DW_ID_up_case: printf ("(up_case)"); break;
+ case DW_ID_down_case: printf ("(down_case)"); break;
+ case DW_ID_case_insensitive: printf ("(case_insensitive)"); break;
+ default: printf ("(unknown case)"); break;
+ }
+ break;
+
+ case DW_AT_calling_convention:
+ switch (uvalue)
+ {
+ case DW_CC_normal: printf ("(normal)"); break;
+ case DW_CC_program: printf ("(program)"); break;
+ case DW_CC_nocall: printf ("(nocall)"); break;
+ default:
+ if (uvalue >= DW_CC_lo_user
+ && uvalue <= DW_CC_hi_user)
+ printf ("(user defined)");
+ else
+ printf ("(unknown convention)");
+ }
+ break;
+
+ case DW_AT_ordering:
+ switch (uvalue)
+ {
+ case -1: printf ("(undefined)"); break;
+ case 0: printf ("(row major)"); break;
+ case 1: printf ("(column major)"); break;
+ }
+ break;
+
+ case DW_AT_frame_base:
+ have_frame_base = 1;
+ case DW_AT_location:
+ case DW_AT_data_member_location:
+ case DW_AT_vtable_elem_location:
+ case DW_AT_allocated:
+ case DW_AT_associated:
+ case DW_AT_data_location:
+ case DW_AT_stride:
+ case DW_AT_upper_bound:
+ case DW_AT_lower_bound:
+ if (block_start)
+ {
+ int need_frame_base;
+
+ printf ("(");
+ need_frame_base = decode_location_expression (block_start,
+ pointer_size,
+ uvalue,
+ cu_offset);
+ printf (")");
+ if (need_frame_base && !have_frame_base)
+ printf (_(" [without DW_AT_frame_base]"));
+ }
+ else if (form == DW_FORM_data4 || form == DW_FORM_data8)
+ printf (_("(location list)"));
+
+ break;
+
+ default:
+ break;
+ }
+
+ return data;
+}
+
+static char *
+get_AT_name (unsigned long attribute)
+{
+ switch (attribute)
+ {
+ case DW_AT_sibling: return "DW_AT_sibling";
+ case DW_AT_location: return "DW_AT_location";
+ case DW_AT_name: return "DW_AT_name";
+ case DW_AT_ordering: return "DW_AT_ordering";
+ case DW_AT_subscr_data: return "DW_AT_subscr_data";
+ case DW_AT_byte_size: return "DW_AT_byte_size";
+ case DW_AT_bit_offset: return "DW_AT_bit_offset";
+ case DW_AT_bit_size: return "DW_AT_bit_size";
+ case DW_AT_element_list: return "DW_AT_element_list";
+ case DW_AT_stmt_list: return "DW_AT_stmt_list";
+ case DW_AT_low_pc: return "DW_AT_low_pc";
+ case DW_AT_high_pc: return "DW_AT_high_pc";
+ case DW_AT_language: return "DW_AT_language";
+ case DW_AT_member: return "DW_AT_member";
+ case DW_AT_discr: return "DW_AT_discr";
+ case DW_AT_discr_value: return "DW_AT_discr_value";
+ case DW_AT_visibility: return "DW_AT_visibility";
+ case DW_AT_import: return "DW_AT_import";
+ case DW_AT_string_length: return "DW_AT_string_length";
+ case DW_AT_common_reference: return "DW_AT_common_reference";
+ case DW_AT_comp_dir: return "DW_AT_comp_dir";
+ case DW_AT_const_value: return "DW_AT_const_value";
+ case DW_AT_containing_type: return "DW_AT_containing_type";
+ case DW_AT_default_value: return "DW_AT_default_value";
+ case DW_AT_inline: return "DW_AT_inline";
+ case DW_AT_is_optional: return "DW_AT_is_optional";
+ case DW_AT_lower_bound: return "DW_AT_lower_bound";
+ case DW_AT_producer: return "DW_AT_producer";
+ case DW_AT_prototyped: return "DW_AT_prototyped";
+ case DW_AT_return_addr: return "DW_AT_return_addr";
+ case DW_AT_start_scope: return "DW_AT_start_scope";
+ case DW_AT_stride_size: return "DW_AT_stride_size";
+ case DW_AT_upper_bound: return "DW_AT_upper_bound";
+ case DW_AT_abstract_origin: return "DW_AT_abstract_origin";
+ case DW_AT_accessibility: return "DW_AT_accessibility";
+ case DW_AT_address_class: return "DW_AT_address_class";
+ case DW_AT_artificial: return "DW_AT_artificial";
+ case DW_AT_base_types: return "DW_AT_base_types";
+ case DW_AT_calling_convention: return "DW_AT_calling_convention";
+ case DW_AT_count: return "DW_AT_count";
+ case DW_AT_data_member_location: return "DW_AT_data_member_location";
+ case DW_AT_decl_column: return "DW_AT_decl_column";
+ case DW_AT_decl_file: return "DW_AT_decl_file";
+ case DW_AT_decl_line: return "DW_AT_decl_line";
+ case DW_AT_declaration: return "DW_AT_declaration";
+ case DW_AT_discr_list: return "DW_AT_discr_list";
+ case DW_AT_encoding: return "DW_AT_encoding";
+ case DW_AT_external: return "DW_AT_external";
+ case DW_AT_frame_base: return "DW_AT_frame_base";
+ case DW_AT_friend: return "DW_AT_friend";
+ case DW_AT_identifier_case: return "DW_AT_identifier_case";
+ case DW_AT_macro_info: return "DW_AT_macro_info";
+ case DW_AT_namelist_items: return "DW_AT_namelist_items";
+ case DW_AT_priority: return "DW_AT_priority";
+ case DW_AT_segment: return "DW_AT_segment";
+ case DW_AT_specification: return "DW_AT_specification";
+ case DW_AT_static_link: return "DW_AT_static_link";
+ case DW_AT_type: return "DW_AT_type";
+ case DW_AT_use_location: return "DW_AT_use_location";
+ case DW_AT_variable_parameter: return "DW_AT_variable_parameter";
+ case DW_AT_virtuality: return "DW_AT_virtuality";
+ case DW_AT_vtable_elem_location: return "DW_AT_vtable_elem_location";
+ /* DWARF 2.1 values. */
+ case DW_AT_allocated: return "DW_AT_allocated";
+ case DW_AT_associated: return "DW_AT_associated";
+ case DW_AT_data_location: return "DW_AT_data_location";
+ case DW_AT_stride: return "DW_AT_stride";
+ case DW_AT_entry_pc: return "DW_AT_entry_pc";
+ case DW_AT_use_UTF8: return "DW_AT_use_UTF8";
+ case DW_AT_extension: return "DW_AT_extension";
+ case DW_AT_ranges: return "DW_AT_ranges";
+ case DW_AT_trampoline: return "DW_AT_trampoline";
+ case DW_AT_call_column: return "DW_AT_call_column";
+ case DW_AT_call_file: return "DW_AT_call_file";
+ case DW_AT_call_line: return "DW_AT_call_line";
+ /* SGI/MIPS extensions. */
+ case DW_AT_MIPS_fde: return "DW_AT_MIPS_fde";
+ case DW_AT_MIPS_loop_begin: return "DW_AT_MIPS_loop_begin";
+ case DW_AT_MIPS_tail_loop_begin: return "DW_AT_MIPS_tail_loop_begin";
+ case DW_AT_MIPS_epilog_begin: return "DW_AT_MIPS_epilog_begin";
+ case DW_AT_MIPS_loop_unroll_factor: return "DW_AT_MIPS_loop_unroll_factor";
+ case DW_AT_MIPS_software_pipeline_depth:
+ return "DW_AT_MIPS_software_pipeline_depth";
+ case DW_AT_MIPS_linkage_name: return "DW_AT_MIPS_linkage_name";
+ case DW_AT_MIPS_stride: return "DW_AT_MIPS_stride";
+ case DW_AT_MIPS_abstract_name: return "DW_AT_MIPS_abstract_name";
+ case DW_AT_MIPS_clone_origin: return "DW_AT_MIPS_clone_origin";
+ case DW_AT_MIPS_has_inlines: return "DW_AT_MIPS_has_inlines";
+ /* GNU extensions. */
+ case DW_AT_sf_names: return "DW_AT_sf_names";
+ case DW_AT_src_info: return "DW_AT_src_info";
+ case DW_AT_mac_info: return "DW_AT_mac_info";
+ case DW_AT_src_coords: return "DW_AT_src_coords";
+ case DW_AT_body_begin: return "DW_AT_body_begin";
+ case DW_AT_body_end: return "DW_AT_body_end";
+ case DW_AT_GNU_vector: return "DW_AT_GNU_vector";
+ /* UPC extension. */
+ case DW_AT_upc_threads_scaled: return "DW_AT_upc_threads_scaled";
+ default:
+ {
+ static char buffer[100];
+
+ sprintf (buffer, _("Unknown AT value: %lx"), attribute);
+ return buffer;
+ }
+ }
+}
+
+static unsigned char *
+read_and_display_attr (unsigned long attribute,
+ unsigned long form,
+ unsigned char *data,
+ unsigned long cu_offset,
+ unsigned long pointer_size,
+ unsigned long offset_size,
+ int dwarf_version,
+ debug_info *debug_info_p,
+ int do_loc)
+{
+ if (!do_loc)
+ printf (" %-18s:", get_AT_name (attribute));
+ data = read_and_display_attr_value (attribute, form, data, cu_offset,
+ pointer_size, offset_size,
+ dwarf_version, debug_info_p,
+ do_loc);
+ if (!do_loc)
+ printf ("\n");
+ return data;
+}
+
+
+/* Process the contents of a .debug_info section. If do_loc is non-zero
+ then we are scanning for location lists and we do not want to display
+ anything to the user. */
+
+static int
+process_debug_info (Elf_Internal_Shdr *section, unsigned char *start,
+ FILE *file, int do_loc)
+{
+ unsigned char *end = start + section->sh_size;
+ unsigned char *section_begin;
+ unsigned int unit;
+ unsigned int num_units = 0;
+
+ if ((do_loc || do_debug_loc || do_debug_ranges)
+ && num_debug_info_entries == 0)
+ {
+ unsigned long length;
+
+ /* First scan the section to get the number of comp units. */
+ for (section_begin = start, num_units = 0; section_begin < end;
+ num_units ++)
+ {
+ /* Read the first 4 bytes. For a 32-bit DWARF section, this
+ will be the length. For a 64-bit DWARF section, it'll be
+ the escape code 0xffffffff followed by an 8 byte length. */
+ length = byte_get (section_begin, 4);
+
+ if (length == 0xffffffff)
+ {
+ length = byte_get (section_begin + 4, 8);
+ section_begin += length + 12;
+ }
+ else
+ section_begin += length + 4;
+ }
+
+ if (num_units == 0)
+ {
+ error (_("No comp units in .debug_info section ?"));
+ return 0;
+ }
+
+ /* Then allocate an array to hold the information. */
+ debug_information = malloc (num_units *
+ sizeof (* debug_information));
+ if (debug_information == NULL)
+ {
+ error (_("Not enough memory for a debug info array of %u entries"),
+ num_units);
+ return 0;
+ }
+ }
+
+ if (!do_loc)
+ {
+ printf (_("The section %s contains:\n\n"),
+ SECTION_NAME (section));
+
+ load_debug_str (file);
+ load_debug_loc (file);
+ load_debug_range (file);
+ }
+
+ for (section_begin = start, unit = 0; start < end; unit++)
+ {
+ DWARF2_Internal_CompUnit compunit;
+ unsigned char *hdrptr;
+ unsigned char *cu_abbrev_offset_ptr;
+ unsigned char *tags;
+ int level;
+ unsigned long cu_offset;
+ int offset_size;
+ int initial_length_size;
+
+ hdrptr = start;
+
+ compunit.cu_length = byte_get (hdrptr, 4);
+ hdrptr += 4;
+
+ if (compunit.cu_length == 0xffffffff)
+ {
+ compunit.cu_length = byte_get (hdrptr, 8);
+ hdrptr += 8;
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+
+ compunit.cu_version = byte_get (hdrptr, 2);
+ hdrptr += 2;
+
+ cu_offset = start - section_begin;
+ start += compunit.cu_length + initial_length_size;
+
+ if (elf_header.e_type == ET_REL
+ && !debug_apply_rela_addends (file, section, offset_size,
+ section_begin, hdrptr, start))
+ return 0;
+
+ cu_abbrev_offset_ptr = hdrptr;
+ compunit.cu_abbrev_offset = byte_get (hdrptr, offset_size);
+ hdrptr += offset_size;
+
+ compunit.cu_pointer_size = byte_get (hdrptr, 1);
+ hdrptr += 1;
+ if ((do_loc || do_debug_loc || do_debug_ranges)
+ && num_debug_info_entries == 0)
+ {
+ debug_information [unit].cu_offset = cu_offset;
+ debug_information [unit].pointer_size
+ = compunit.cu_pointer_size;
+ debug_information [unit].base_address = 0;
+ debug_information [unit].loc_offsets = NULL;
+ debug_information [unit].have_frame_base = NULL;
+ debug_information [unit].max_loc_offsets = 0;
+ debug_information [unit].num_loc_offsets = 0;
+ debug_information [unit].range_lists = NULL;
+ debug_information [unit].max_range_lists= 0;
+ debug_information [unit].num_range_lists = 0;
+ }
+
+ tags = hdrptr;
+
+ if (!do_loc)
+ {
+ printf (_(" Compilation Unit @ %lx:\n"), cu_offset);
+ printf (_(" Length: %ld\n"), compunit.cu_length);
+ printf (_(" Version: %d\n"), compunit.cu_version);
+ printf (_(" Abbrev Offset: %ld\n"), compunit.cu_abbrev_offset);
+ printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
+ }
+
+ if (compunit.cu_version != 2 && compunit.cu_version != 3)
+ {
+ warn (_("Only version 2 and 3 DWARF debug information is currently supported.\n"));
+ continue;
+ }
+
+ free_abbrevs ();
+
+ /* Read in the abbrevs used by this compilation unit. */
+ {
+ Elf_Internal_Shdr *sec;
+ unsigned char *begin;
+
+ /* Locate the .debug_abbrev section and process it. */
+ sec = find_section (".debug_abbrev");
+ if (sec == NULL)
+ {
+ warn (_("Unable to locate .debug_abbrev section!\n"));
+ return 0;
+ }
+
+ begin = get_data (NULL, file, sec->sh_offset, sec->sh_size,
+ _("debug_abbrev section data"));
+ if (!begin)
+ return 0;
+
+ process_abbrev_section (begin + compunit.cu_abbrev_offset,
+ begin + sec->sh_size);
+
+ free (begin);
+ }
+
+ level = 0;
+ while (tags < start)
+ {
+ int bytes_read;
+ unsigned long abbrev_number;
+ abbrev_entry *entry;
+ abbrev_attr *attr;
+
+ abbrev_number = read_leb128 (tags, & bytes_read, 0);
+ tags += bytes_read;
+
+ /* A null DIE marks the end of a list of children. */
+ if (abbrev_number == 0)
+ {
+ --level;
+ continue;
+ }
+
+ /* Scan through the abbreviation list until we reach the
+ correct entry. */
+ for (entry = first_abbrev;
+ entry && entry->entry != abbrev_number;
+ entry = entry->next)
+ continue;
+
+ if (entry == NULL)
+ {
+ warn (_("Unable to locate entry %lu in the abbreviation table\n"),
+ abbrev_number);
+ return 0;
+ }
+
+ if (!do_loc)
+ printf (_(" <%d><%lx>: Abbrev Number: %lu (%s)\n"),
+ level,
+ (unsigned long) (tags - section_begin
+ - bytes_read),
+ abbrev_number,
+ get_TAG_name (entry->tag));
+
+ switch (entry->tag)
+ {
+ default:
+ need_base_address = 0;
+ break;
+ case DW_TAG_compile_unit:
+ need_base_address = 1;
+ break;
+ case DW_TAG_entry_point:
+ case DW_TAG_inlined_subroutine:
+ case DW_TAG_subprogram:
+ need_base_address = 0;
+ /* Assuming that there is no DW_AT_frame_base. */
+ have_frame_base = 0;
+ break;
+ }
+
+ for (attr = entry->first_attr; attr; attr = attr->next)
+ tags = read_and_display_attr (attr->attribute,
+ attr->form,
+ tags, cu_offset,
+ compunit.cu_pointer_size,
+ offset_size,
+ compunit.cu_version,
+ &debug_information [unit],
+ do_loc);
+
+ if (entry->children)
+ ++level;
+ }
+ }
+
+ /* Set num_debug_info_entries here so that it can be used to check if
+ we need to proecess .debug_loc and .debug_ranges sections. */
+ if ((do_loc || do_debug_loc || do_debug_ranges)
+ && num_debug_info_entries == 0)
+ num_debug_info_entries = num_units;
+
+ if (!do_loc)
+ {
+ free_debug_range ();
+ free_debug_str ();
+ free_debug_loc ();
+
+ printf ("\n");
+ }
+
+ return 1;
+}
+
+/* Retrieve the pointer size associated with the given compilation unit.
+ Optionally the offset of this unit into the .debug_info section is
+ also retutned. If there is no .debug_info section then an error
+ message is issued and 0 is returned. If the requested comp unit has
+ not been defined in the .debug_info section then a warning message
+ is issued and the last know pointer size is returned. This message
+ is only issued once per section dumped per file dumped. */
+
+static unsigned int
+get_pointer_size_and_offset_of_comp_unit (unsigned int comp_unit,
+ const char * section_name,
+ unsigned long * offset_return)
+{
+ unsigned long offset = 0;
+
+ if (num_debug_info_entries == 0)
+ error (_("%s section needs a populated .debug_info section\n"),
+ section_name);
+
+ else if (comp_unit >= num_debug_info_entries)
+ {
+ if (!warned_about_missing_comp_units)
+ {
+ warn (_("%s section has more comp units than .debug_info section\n"),
+ section_name);
+ warn (_("assuming that the pointer size is %d, from the last comp unit in .debug_info\n\n"),
+ last_pointer_size);
+ warned_about_missing_comp_units = TRUE;
+ }
+ }
+ else
+ {
+ last_pointer_size = debug_information [comp_unit].pointer_size;
+ offset = debug_information [comp_unit].cu_offset;
+ }
+
+ if (offset_return != NULL)
+ * offset_return = offset;
+
+ return last_pointer_size;
+}
+
+/* Locate and scan the .debug_info section in the file and record the pointer
+ sizes and offsets for the compilation units in it. Usually an executable
+ will have just one pointer size, but this is not guaranteed, and so we try
+ not to make any assumptions. Returns zero upon failure, or the number of
+ compilation units upon success. */
+
+static unsigned int
+get_debug_info (FILE * file)
+{
+ Elf_Internal_Shdr * section;
+ unsigned char * start;
+ int ret;
+
+ /* Reset the last pointer size so that we can issue correct error
+ messages if we are displaying the contents of more than one section. */
+ last_pointer_size = 0;
+ warned_about_missing_comp_units = FALSE;
+
+ /* If we already have the information there is nothing else to do. */
+ if (num_debug_info_entries > 0)
+ return num_debug_info_entries;
+
+ section = find_section (".debug_info");
+ if (section == NULL)
+ return 0;
+
+ start = get_data (NULL, file, section->sh_offset, section->sh_size,
+ _("extracting information from .debug_info section"));
+ if (start == NULL)
+ return 0;
+
+ ret = process_debug_info (section, start, file, 1);
+ free (start);
+
+ return ret ? num_debug_info_entries : 0;
+}
+
+static int
+display_debug_lines (Elf_Internal_Shdr *section,
+ unsigned char *start, FILE *file)
+{
+ unsigned char *data = start;
+ unsigned char *end = start + section->sh_size;
+ unsigned int comp_unit = 0;
+
+ printf (_("\nDump of debug contents of section %s:\n\n"),
+ SECTION_NAME (section));
+
+ get_debug_info (file);
+
+ while (data < end)
+ {
+ DWARF2_Internal_LineInfo info;
+ unsigned char *standard_opcodes;
+ unsigned char *end_of_sequence;
+ unsigned char *hdrptr;
+ unsigned int pointer_size;
+ int initial_length_size;
+ int offset_size;
+ int i;
+
+ hdrptr = data;
+
+ /* Check the length of the block. */
+ info.li_length = byte_get (hdrptr, 4);
+ hdrptr += 4;
+
+ if (info.li_length == 0xffffffff)
+ {
+ /* This section is 64-bit DWARF 3. */
+ info.li_length = byte_get (hdrptr, 8);
+ hdrptr += 8;
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+
+ if (info.li_length + initial_length_size > section->sh_size)
+ {
+ warn
+ (_("The line info appears to be corrupt - the section is too small\n"));
+ return 0;
+ }
+
+ /* Check its version number. */
+ info.li_version = byte_get (hdrptr, 2);
+ hdrptr += 2;
+ if (info.li_version != 2 && info.li_version != 3)
+ {
+ warn (_("Only DWARF version 2 and 3 line info is currently supported.\n"));
+ return 0;
+ }
+
+ info.li_prologue_length = byte_get (hdrptr, offset_size);
+ hdrptr += offset_size;
+ info.li_min_insn_length = byte_get (hdrptr, 1);
+ hdrptr++;
+ info.li_default_is_stmt = byte_get (hdrptr, 1);
+ hdrptr++;
+ info.li_line_base = byte_get (hdrptr, 1);
+ hdrptr++;
+ info.li_line_range = byte_get (hdrptr, 1);
+ hdrptr++;
+ info.li_opcode_base = byte_get (hdrptr, 1);
+ hdrptr++;
+
+ /* Sign extend the line base field. */
+ info.li_line_base <<= 24;
+ info.li_line_base >>= 24;
+
+ /* Get the pointer size from the comp unit associated
+ with this block of line number information. */
+ pointer_size = get_pointer_size_and_offset_of_comp_unit
+ (comp_unit, ".debug_lines", NULL);
+ comp_unit ++;
+
+ printf (_(" Length: %ld\n"), info.li_length);
+ printf (_(" DWARF Version: %d\n"), info.li_version);
+ printf (_(" Prologue Length: %d\n"), info.li_prologue_length);
+ printf (_(" Minimum Instruction Length: %d\n"), info.li_min_insn_length);
+ printf (_(" Initial value of 'is_stmt': %d\n"), info.li_default_is_stmt);
+ printf (_(" Line Base: %d\n"), info.li_line_base);
+ printf (_(" Line Range: %d\n"), info.li_line_range);
+ printf (_(" Opcode Base: %d\n"), info.li_opcode_base);
+ printf (_(" (Pointer size: %u)\n"), pointer_size);
+
+ end_of_sequence = data + info.li_length + initial_length_size;
+
+ reset_state_machine (info.li_default_is_stmt);
+
+ /* Display the contents of the Opcodes table. */
+ standard_opcodes = hdrptr;
+
+ printf (_("\n Opcodes:\n"));
+
+ for (i = 1; i < info.li_opcode_base; i++)
+ printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]);
+
+ /* Display the contents of the Directory table. */
+ data = standard_opcodes + info.li_opcode_base - 1;
+
+ if (*data == 0)
+ printf (_("\n The Directory Table is empty.\n"));
+ else
+ {
+ printf (_("\n The Directory Table:\n"));
+
+ while (*data != 0)
+ {
+ printf (_(" %s\n"), data);
+
+ data += strlen ((char *) data) + 1;
+ }
+ }
+
+ /* Skip the NUL at the end of the table. */
+ data++;
+
+ /* Display the contents of the File Name table. */
+ if (*data == 0)
+ printf (_("\n The File Name Table is empty.\n"));
+ else
+ {
+ printf (_("\n The File Name Table:\n"));
+ printf (_(" Entry\tDir\tTime\tSize\tName\n"));
+
+ while (*data != 0)
+ {
+ unsigned char *name;
+ int bytes_read;
+
+ printf (_(" %d\t"), ++state_machine_regs.last_file_entry);
+ name = data;
+
+ data += strlen ((char *) data) + 1;
+
+ printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ data += bytes_read;
+ printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ data += bytes_read;
+ printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ data += bytes_read;
+ printf (_("%s\n"), name);
+ }
+ }
+
+ /* Skip the NUL at the end of the table. */
+ data++;
+
+ /* Now display the statements. */
+ printf (_("\n Line Number Statements:\n"));
+
+ while (data < end_of_sequence)
+ {
+ unsigned char op_code;
+ int adv;
+ int bytes_read;
+
+ op_code = *data++;
+
+ if (op_code >= info.li_opcode_base)
+ {
+ op_code -= info.li_opcode_base;
+ adv = (op_code / info.li_line_range) * info.li_min_insn_length;
+ state_machine_regs.address += adv;
+ printf (_(" Special opcode %d: advance Address by %d to 0x%lx"),
+ op_code, adv, state_machine_regs.address);
+ adv = (op_code % info.li_line_range) + info.li_line_base;
+ state_machine_regs.line += adv;
+ printf (_(" and Line by %d to %d\n"),
+ adv, state_machine_regs.line);
+ }
+ else switch (op_code)
+ {
+ case DW_LNS_extended_op:
+ data += process_extended_line_op (data, info.li_default_is_stmt,
+ pointer_size);
+ break;
+
+ case DW_LNS_copy:
+ printf (_(" Copy\n"));
+ break;
+
+ case DW_LNS_advance_pc:
+ adv = info.li_min_insn_length * read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ state_machine_regs.address += adv;
+ printf (_(" Advance PC by %d to %lx\n"), adv,
+ state_machine_regs.address);
+ break;
+
+ case DW_LNS_advance_line:
+ adv = read_leb128 (data, & bytes_read, 1);
+ data += bytes_read;
+ state_machine_regs.line += adv;
+ printf (_(" Advance Line by %d to %d\n"), adv,
+ state_machine_regs.line);
+ break;
+
+ case DW_LNS_set_file:
+ adv = read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ printf (_(" Set File Name to entry %d in the File Name Table\n"),
+ adv);
+ state_machine_regs.file = adv;
+ break;
+
+ case DW_LNS_set_column:
+ adv = read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ printf (_(" Set column to %d\n"), adv);
+ state_machine_regs.column = adv;
+ break;
+
+ case DW_LNS_negate_stmt:
+ adv = state_machine_regs.is_stmt;
+ adv = ! adv;
+ printf (_(" Set is_stmt to %d\n"), adv);
+ state_machine_regs.is_stmt = adv;
+ break;
+
+ case DW_LNS_set_basic_block:
+ printf (_(" Set basic block\n"));
+ state_machine_regs.basic_block = 1;
+ break;
+
+ case DW_LNS_const_add_pc:
+ adv = (((255 - info.li_opcode_base) / info.li_line_range)
+ * info.li_min_insn_length);
+ state_machine_regs.address += adv;
+ printf (_(" Advance PC by constant %d to 0x%lx\n"), adv,
+ state_machine_regs.address);
+ break;
+
+ case DW_LNS_fixed_advance_pc:
+ adv = byte_get (data, 2);
+ data += 2;
+ state_machine_regs.address += adv;
+ printf (_(" Advance PC by fixed size amount %d to 0x%lx\n"),
+ adv, state_machine_regs.address);
+ break;
+
+ case DW_LNS_set_prologue_end:
+ printf (_(" Set prologue_end to true\n"));
+ break;
+
+ case DW_LNS_set_epilogue_begin:
+ printf (_(" Set epilogue_begin to true\n"));
+ break;
+
+ case DW_LNS_set_isa:
+ adv = read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ printf (_(" Set ISA to %d\n"), adv);
+ break;
+
+ default:
+ printf (_(" Unknown opcode %d with operands: "), op_code);
+
+ for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
+ {
+ printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0),
+ i == 1 ? "" : ", ");
+ data += bytes_read;
+ }
+ putchar ('\n');
+ break;
+ }
+ }
+ putchar ('\n');
+ }
+
+ return 1;
+}
+
+static int
+display_debug_pubnames (Elf_Internal_Shdr *section,
+ unsigned char *start,
+ FILE *file ATTRIBUTE_UNUSED)
+{
+ DWARF2_Internal_PubNames pubnames;
+ unsigned char *end;
+
+ end = start + section->sh_size;
+
+ printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
+
+ while (start < end)
+ {
+ unsigned char *data;
+ unsigned long offset;
+ int offset_size, initial_length_size;
+
+ data = start;
+
+ pubnames.pn_length = byte_get (data, 4);
+ data += 4;
+ if (pubnames.pn_length == 0xffffffff)
+ {
+ pubnames.pn_length = byte_get (data, 8);
+ data += 8;
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+
+ pubnames.pn_version = byte_get (data, 2);
+ data += 2;
+ pubnames.pn_offset = byte_get (data, offset_size);
+ data += offset_size;
+ pubnames.pn_size = byte_get (data, offset_size);
+ data += offset_size;
+
+ start += pubnames.pn_length + initial_length_size;
+
+ if (pubnames.pn_version != 2 && pubnames.pn_version != 3)
+ {
+ static int warned = 0;
+
+ if (! warned)
+ {
+ warn (_("Only DWARF 2 and 3 pubnames are currently supported\n"));
+ warned = 1;
+ }
+
+ continue;
+ }
+
+ printf (_(" Length: %ld\n"),
+ pubnames.pn_length);
+ printf (_(" Version: %d\n"),
+ pubnames.pn_version);
+ printf (_(" Offset into .debug_info section: %ld\n"),
+ pubnames.pn_offset);
+ printf (_(" Size of area in .debug_info section: %ld\n"),
+ pubnames.pn_size);
+
+ printf (_("\n Offset\tName\n"));
+
+ do
+ {
+ offset = byte_get (data, offset_size);
+
+ if (offset != 0)
+ {
+ data += offset_size;
+ printf (" %-6ld\t\t%s\n", offset, data);
+ data += strlen ((char *) data) + 1;
+ }
+ }
+ while (offset != 0);
+ }
+
+ printf ("\n");
+ return 1;
+}
+
+static int
+display_debug_macinfo (Elf_Internal_Shdr *section,
+ unsigned char *start,
+ FILE *file ATTRIBUTE_UNUSED)
+{
+ unsigned char *end = start + section->sh_size;
+ unsigned char *curr = start;
+ unsigned int bytes_read;
+ enum dwarf_macinfo_record_type op;
+
+ printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
+
+ while (curr < end)
+ {
+ unsigned int lineno;
+ const char *string;
+
+ op = *curr;
+ curr++;
+
+ switch (op)
+ {
+ case DW_MACINFO_start_file:
+ {
+ unsigned int filenum;
+
+ lineno = read_leb128 (curr, & bytes_read, 0);
+ curr += bytes_read;
+ filenum = read_leb128 (curr, & bytes_read, 0);
+ curr += bytes_read;
+
+ printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"),
+ lineno, filenum);
+ }
+ break;
+
+ case DW_MACINFO_end_file:
+ printf (_(" DW_MACINFO_end_file\n"));
+ break;
+
+ case DW_MACINFO_define:
+ lineno = read_leb128 (curr, & bytes_read, 0);
+ curr += bytes_read;
+ string = curr;
+ curr += strlen (string) + 1;
+ printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
+
+ case DW_MACINFO_undef:
+ lineno = read_leb128 (curr, & bytes_read, 0);
+ curr += bytes_read;
+ string = curr;
+ curr += strlen (string) + 1;
+ printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
+
+ case DW_MACINFO_vendor_ext:
+ {
+ unsigned int constant;
+
+ constant = read_leb128 (curr, & bytes_read, 0);
+ curr += bytes_read;
+ string = curr;
+ curr += strlen (string) + 1;
+ printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"),
+ constant, string);
+ }
+ break;
+ }
+ }
+
+ return 1;
+}
+
+
+static int
+display_debug_abbrev (Elf_Internal_Shdr *section,
+ unsigned char *start,
+ FILE *file ATTRIBUTE_UNUSED)
+{
+ abbrev_entry *entry;
+ unsigned char *end = start + section->sh_size;
+
+ printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
- case DW_AT_identifier_case:
- switch (uvalue)
- {
- case DW_ID_case_sensitive: printf ("(case_sensitive)"); break;
- case DW_ID_up_case: printf ("(up_case)"); break;
- case DW_ID_down_case: printf ("(down_case)"); break;
- case DW_ID_case_insensitive: printf ("(case_insensitive)"); break;
- default: printf ("(unknown case)"); break;
- }
- break;
+ do
+ {
+ start = process_abbrev_section (start, end);
- case DW_AT_calling_convention:
- switch (uvalue)
- {
- case DW_CC_normal: printf ("(normal)"); break;
- case DW_CC_program: printf ("(program)"); break;
- case DW_CC_nocall: printf ("(nocall)"); break;
- default:
- if (uvalue >= DW_CC_lo_user
- && uvalue <= DW_CC_hi_user)
- printf ("(user defined)");
- else
- printf ("(unknown convention)");
- }
- break;
+ if (first_abbrev == NULL)
+ continue;
- case DW_AT_ordering:
- switch (uvalue)
- {
- case -1: printf ("(undefined)"); break;
- case 0: printf ("(row major)"); break;
- case 1: printf ("(column major)"); break;
- }
- break;
+ printf (_(" Number TAG\n"));
- case DW_AT_frame_base:
- case DW_AT_location:
- case DW_AT_data_member_location:
- case DW_AT_vtable_elem_location:
- case DW_AT_allocated:
- case DW_AT_associated:
- case DW_AT_data_location:
- case DW_AT_stride:
- case DW_AT_upper_bound:
- case DW_AT_lower_bound:
- if (block_start)
- {
- printf ("(");
- decode_location_expression (block_start, pointer_size, uvalue);
- printf (")");
- }
- else if (form == DW_FORM_data4 || form == DW_FORM_data8)
+ for (entry = first_abbrev; entry; entry = entry->next)
{
- printf ("(");
- printf ("location list");
- printf (")");
+ abbrev_attr *attr;
+
+ printf (_(" %ld %s [%s]\n"),
+ entry->entry,
+ get_TAG_name (entry->tag),
+ entry->children ? _("has children") : _("no children"));
+
+ for (attr = entry->first_attr; attr; attr = attr->next)
+ printf (_(" %-18s %s\n"),
+ get_AT_name (attr->attribute),
+ get_FORM_name (attr->form));
}
- break;
- default:
- break;
+ free_abbrevs ();
}
+ while (start);
- return data;
-}
-
-static unsigned char *
-read_and_display_attr (unsigned long attribute,
- unsigned long form,
- unsigned char *data,
- unsigned long cu_offset,
- unsigned long pointer_size,
- unsigned long offset_size,
- int dwarf_version)
-{
- printf (" %-18s:", get_AT_name (attribute));
- data = read_and_display_attr_value (attribute, form, data, cu_offset,
- pointer_size, offset_size, dwarf_version);
printf ("\n");
- return data;
-}
-/* Apply addends of RELA relocations. */
+ return 1;
+}
static int
-debug_apply_rela_addends (FILE *file,
- Elf_Internal_Shdr *section,
- int reloc_size,
- unsigned char *sec_data,
- unsigned char *start,
- unsigned char *end)
+display_debug_loc (Elf_Internal_Shdr *section,
+ unsigned char *start, FILE *file)
{
- Elf_Internal_Shdr *relsec;
+ unsigned char *section_end;
+ unsigned long bytes;
+ unsigned char *section_begin = start;
+ unsigned int num_loc_list = 0;
+ unsigned long last_offset = 0;
+ unsigned int first = 0;
+ unsigned int i;
+ unsigned int j;
+ int seen_first_offset = 0;
+ int use_debug_info = 1;
+ unsigned char *next;
- if (end - start < reloc_size)
- return 1;
+ bytes = section->sh_size;
+ section_end = start + bytes;
- for (relsec = section_headers;
- relsec < section_headers + elf_header.e_shnum;
- ++relsec)
+ if (bytes == 0)
{
- unsigned long nrelas;
- Elf_Internal_Rela *rela, *rp;
- Elf_Internal_Shdr *symsec;
- Elf_Internal_Sym *symtab;
- Elf_Internal_Sym *sym;
+ printf (_("\nThe .debug_loc section is empty.\n"));
+ return 0;
+ }
- if (relsec->sh_type != SHT_RELA
- || SECTION_HEADER (relsec->sh_info) != section
- || relsec->sh_size == 0)
- continue;
+ get_debug_info (file);
- if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size,
- &rela, &nrelas))
- return 0;
+ /* Check the order of location list in .debug_info section. If
+ offsets of location lists are in the ascending order, we can
+ use `debug_information' directly. */
+ for (i = 0; i < num_debug_info_entries; i++)
+ {
+ unsigned int num;
- symsec = SECTION_HEADER (relsec->sh_link);
- symtab = GET_ELF_SYMBOLS (file, symsec);
+ num = debug_information [i].num_loc_offsets;
+ num_loc_list += num;
- for (rp = rela; rp < rela + nrelas; ++rp)
+ /* Check if we can use `debug_information' directly. */
+ if (use_debug_info && num != 0)
{
- unsigned char *loc;
-
- if (rp->r_offset >= (bfd_vma) (start - sec_data)
- && rp->r_offset < (bfd_vma) (end - sec_data) - reloc_size)
- loc = sec_data + rp->r_offset;
- else
- continue;
-
- if (is_32bit_elf)
+ if (!seen_first_offset)
{
- sym = symtab + ELF32_R_SYM (rp->r_info);
-
- if (ELF32_R_SYM (rp->r_info) != 0
- && ELF32_ST_TYPE (sym->st_info) != STT_SECTION)
- {
- warn (_("Skipping unexpected symbol type %u\n"),
- ELF32_ST_TYPE (sym->st_info));
- continue;
- }
+ /* This is the first location list. */
+ last_offset = debug_information [i].loc_offsets [0];
+ first = i;
+ seen_first_offset = 1;
+ j = 1;
}
else
- {
- sym = symtab + ELF64_R_SYM (rp->r_info);
+ j = 0;
- if (ELF64_R_SYM (rp->r_info) != 0
- && ELF64_ST_TYPE (sym->st_info) != STT_SECTION)
+ for (; j < num; j++)
+ {
+ if (last_offset >
+ debug_information [i].loc_offsets [j])
{
- warn (_("Skipping unexpected symbol type %u\n"),
- ELF64_ST_TYPE (sym->st_info));
- continue;
+ use_debug_info = 0;
+ break;
}
+ last_offset = debug_information [i].loc_offsets [j];
}
-
- byte_put (loc, rp->r_addend, reloc_size);
}
-
- free (symtab);
- free (rela);
- break;
}
- return 1;
-}
-static int
-display_debug_info (Elf_Internal_Shdr *section,
- unsigned char *start,
- FILE *file)
-{
- unsigned char *end = start + section->sh_size;
- unsigned char *section_begin = start;
+ if (!use_debug_info)
+ /* FIXME: Should we handle this case? */
+ error (_("Location lists in .debug_info section aren't in ascending order!\n"));
- printf (_("The section %s contains:\n\n"), SECTION_NAME (section));
+ if (!seen_first_offset)
+ error (_("No location lists in .debug_info section!\n"));
- load_debug_str (file);
- load_debug_loc (file);
+ if (debug_information [first].loc_offsets [0] != 0)
+ warn (_("Location lists in .debug_loc section start at 0x%lx\n"),
+ debug_information [first].loc_offsets [0]);
- while (start < end)
+ printf (_("Contents of the .debug_loc section:\n\n"));
+ printf (_(" Offset Begin End Expression\n"));
+
+ seen_first_offset = 0;
+ for (i = first; i < num_debug_info_entries; i++)
{
- DWARF2_Internal_CompUnit compunit;
- unsigned char *hdrptr;
- unsigned char *cu_abbrev_offset_ptr;
- unsigned char *tags;
- int level;
+ unsigned long begin;
+ unsigned long end;
+ unsigned short length;
+ unsigned long offset;
+ unsigned int pointer_size;
unsigned long cu_offset;
- int offset_size;
- int initial_length_size;
-
- hdrptr = start;
+ unsigned long base_address;
+ int need_frame_base;
+ int has_frame_base;
- compunit.cu_length = byte_get (hdrptr, 4);
- hdrptr += 4;
+ pointer_size = debug_information [i].pointer_size;
+ cu_offset = debug_information [i].cu_offset;
- if (compunit.cu_length == 0xffffffff)
- {
- compunit.cu_length = byte_get (hdrptr, 8);
- hdrptr += 8;
- offset_size = 8;
- initial_length_size = 12;
- }
- else
+ for (j = 0; j < debug_information [i].num_loc_offsets; j++)
{
- offset_size = 4;
- initial_length_size = 4;
- }
-
- compunit.cu_version = byte_get (hdrptr, 2);
- hdrptr += 2;
+ has_frame_base = debug_information [i].have_frame_base [j];
+ offset = debug_information [i].loc_offsets [j];
+ next = section_begin + offset;
+ base_address = debug_information [i].base_address;
- cu_offset = start - section_begin;
- start += compunit.cu_length + initial_length_size;
+ if (!seen_first_offset)
+ seen_first_offset = 1;
+ else
+ {
+ if (start < next)
+ warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"),
+ start - section_begin, next - section_begin);
+ else if (start > next)
+ warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"),
+ start - section_begin, next - section_begin);
+ }
+ start = next;
- if (elf_header.e_type == ET_REL
- && !debug_apply_rela_addends (file, section, offset_size,
- section_begin, hdrptr, start))
- return 0;
+ while (1)
+ {
+ begin = byte_get (start, pointer_size);
+ start += pointer_size;
+ end = byte_get (start, pointer_size);
+ start += pointer_size;
- cu_abbrev_offset_ptr = hdrptr;
- compunit.cu_abbrev_offset = byte_get (hdrptr, offset_size);
- hdrptr += offset_size;
+ if (begin == 0 && end == 0)
+ break;
- compunit.cu_pointer_size = byte_get (hdrptr, 1);
- hdrptr += 1;
+ /* Check base address specifiers. */
+ if (begin == -1UL && end != -1UL)
+ {
+ base_address = end;
+ printf (" %8.8lx %8.8lx %8.8lx (base address)\n",
+ offset, begin, end);
+ continue;
+ }
- tags = hdrptr;
+ length = byte_get (start, 2);
+ start += 2;
- printf (_(" Compilation Unit @ %lx:\n"), cu_offset);
- printf (_(" Length: %ld\n"), compunit.cu_length);
- printf (_(" Version: %d\n"), compunit.cu_version);
- printf (_(" Abbrev Offset: %ld\n"), compunit.cu_abbrev_offset);
- printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
+ printf (" %8.8lx %8.8lx %8.8lx (",
+ offset, begin + base_address, end + base_address);
+ need_frame_base = decode_location_expression (start,
+ pointer_size,
+ length,
+ cu_offset);
+ putchar (')');
- if (compunit.cu_version != 2 && compunit.cu_version != 3)
- {
- warn (_("Only version 2 and 3 DWARF debug information is currently supported.\n"));
- continue;
- }
+ if (need_frame_base && !has_frame_base)
+ printf (_(" [without DW_AT_frame_base]"));
- free_abbrevs ();
+ if (begin == end)
+ fputs (_(" (start == end)"), stdout);
+ else if (begin > end)
+ fputs (_(" (start > end)"), stdout);
- /* Read in the abbrevs used by this compilation unit. */
- {
- Elf_Internal_Shdr *sec;
- unsigned char *begin;
+ putchar ('\n');
- /* Locate the .debug_abbrev section and process it. */
- sec = find_section (".debug_abbrev");
- if (sec == NULL)
- {
- warn (_("Unable to locate .debug_abbrev section!\n"));
- return 0;
- }
+ start += length;
+ }
- begin = get_data (NULL, file, sec->sh_offset, sec->sh_size,
- _("debug_abbrev section data"));
- if (!begin)
- return 0;
+ fputs (_(" <End of list>\n"), stdout);
+ }
+ }
+ return 1;
+}
- process_abbrev_section (begin + compunit.cu_abbrev_offset,
- begin + sec->sh_size);
+static int
+display_debug_str (Elf_Internal_Shdr *section,
+ unsigned char *start,
+ FILE *file ATTRIBUTE_UNUSED)
+{
+ unsigned long bytes;
+ bfd_vma addr;
- free (begin);
- }
+ addr = section->sh_addr;
+ bytes = section->sh_size;
- level = 0;
- while (tags < start)
- {
- int bytes_read;
- unsigned long abbrev_number;
- abbrev_entry *entry;
- abbrev_attr *attr;
+ if (bytes == 0)
+ {
+ printf (_("\nThe .debug_str section is empty.\n"));
+ return 0;
+ }
- abbrev_number = read_leb128 (tags, & bytes_read, 0);
- tags += bytes_read;
+ printf (_("Contents of the .debug_str section:\n\n"));
- /* A null DIE marks the end of a list of children. */
- if (abbrev_number == 0)
- {
- --level;
- continue;
- }
+ while (bytes)
+ {
+ int j;
+ int k;
+ int lbytes;
- /* Scan through the abbreviation list until we reach the
- correct entry. */
- for (entry = first_abbrev;
- entry && entry->entry != abbrev_number;
- entry = entry->next)
- continue;
+ lbytes = (bytes > 16 ? 16 : bytes);
- if (entry == NULL)
- {
- warn (_("Unable to locate entry %lu in the abbreviation table\n"),
- abbrev_number);
- return 0;
- }
+ printf (" 0x%8.8lx ", (unsigned long) addr);
- printf (_(" <%d><%lx>: Abbrev Number: %lu (%s)\n"),
- level,
- (unsigned long) (tags - section_begin - bytes_read),
- abbrev_number,
- get_TAG_name (entry->tag));
+ for (j = 0; j < 16; j++)
+ {
+ if (j < lbytes)
+ printf ("%2.2x", start[j]);
+ else
+ printf (" ");
- for (attr = entry->first_attr; attr; attr = attr->next)
- tags = read_and_display_attr (attr->attribute,
- attr->form,
- tags, cu_offset,
- compunit.cu_pointer_size,
- offset_size,
- compunit.cu_version);
+ if ((j & 3) == 3)
+ printf (" ");
+ }
- if (entry->children)
- ++level;
+ for (j = 0; j < lbytes; j++)
+ {
+ k = start[j];
+ if (k >= ' ' && k < 0x80)
+ printf ("%c", k);
+ else
+ printf (".");
}
- }
- free_debug_str ();
- free_debug_loc ();
+ putchar ('\n');
- printf ("\n");
+ start += lbytes;
+ addr += lbytes;
+ bytes -= lbytes;
+ }
+
+ putchar ('\n');
return 1;
}
+
+static int
+display_debug_info (Elf_Internal_Shdr * section,
+ unsigned char * start, FILE * file)
+{
+ return process_debug_info (section, start, file, 0);
+}
+
+
static int
display_debug_aranges (Elf_Internal_Shdr *section,
unsigned char *start,
return 1;
}
+static int
+display_debug_ranges (Elf_Internal_Shdr *section,
+ unsigned char *start,
+ FILE *file ATTRIBUTE_UNUSED)
+{
+ unsigned char *section_end;
+ unsigned long bytes;
+ unsigned char *section_begin = start;
+ unsigned int num_range_list = 0;
+ unsigned long last_offset = 0;
+ unsigned int first = 0;
+ unsigned int i;
+ unsigned int j;
+ int seen_first_offset = 0;
+ int use_debug_info = 1;
+ unsigned char *next;
+
+ bytes = section->sh_size;
+ section_end = start + bytes;
+
+ if (bytes == 0)
+ {
+ printf (_("\nThe .debug_ranges section is empty.\n"));
+ return 0;
+ }
+
+ get_debug_info (file);
+
+ /* Check the order of range list in .debug_info section. If
+ offsets of range lists are in the ascending order, we can
+ use `debug_information' directly. */
+ for (i = 0; i < num_debug_info_entries; i++)
+ {
+ unsigned int num;
+
+ num = debug_information [i].num_range_lists;
+ num_range_list += num;
+
+ /* Check if we can use `debug_information' directly. */
+ if (use_debug_info && num != 0)
+ {
+ if (!seen_first_offset)
+ {
+ /* This is the first range list. */
+ last_offset = debug_information [i].range_lists [0];
+ first = i;
+ seen_first_offset = 1;
+ j = 1;
+ }
+ else
+ j = 0;
+
+ for (; j < num; j++)
+ {
+ if (last_offset >
+ debug_information [i].range_lists [j])
+ {
+ use_debug_info = 0;
+ break;
+ }
+ last_offset = debug_information [i].range_lists [j];
+ }
+ }
+ }
+
+ if (!use_debug_info)
+ /* FIXME: Should we handle this case? */
+ error (_("Range lists in .debug_info section aren't in ascending order!\n"));
+
+ if (!seen_first_offset)
+ error (_("No range lists in .debug_info section!\n"));
+
+ if (debug_information [first].range_lists [0] != 0)
+ warn (_("Range lists in .debug_ranges section start at 0x%lx\n"),
+ debug_information [first].range_lists [0]);
+
+ printf (_("Contents of the .debug_ranges section:\n\n"));
+ printf (_(" Offset Begin End\n"));
+
+ seen_first_offset = 0;
+ for (i = first; i < num_debug_info_entries; i++)
+ {
+ unsigned long begin;
+ unsigned long end;
+ unsigned long offset;
+ unsigned int pointer_size;
+ unsigned long base_address;
+
+ pointer_size = debug_information [i].pointer_size;
+
+ for (j = 0; j < debug_information [i].num_range_lists; j++)
+ {
+ offset = debug_information [i].range_lists [j];
+ next = section_begin + offset;
+ base_address = debug_information [i].base_address;
+
+ if (!seen_first_offset)
+ seen_first_offset = 1;
+ else
+ {
+ if (start < next)
+ warn (_("There is a hole [0x%lx - 0x%lx] in .debug_ranges section.\n"),
+ start - section_begin, next - section_begin);
+ else if (start > next)
+ warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_ranges section.\n"),
+ start - section_begin, next - section_begin);
+ }
+ start = next;
+
+ while (1)
+ {
+ begin = byte_get (start, pointer_size);
+ start += pointer_size;
+ end = byte_get (start, pointer_size);
+ start += pointer_size;
+
+ if (begin == 0 && end == 0)
+ break;
+
+ /* Check base address specifiers. */
+ if (begin == -1UL && end != -1UL)
+ {
+ base_address = end;
+ printf (" %8.8lx %8.8lx %8.8lx (base address)\n",
+ offset, begin, end);
+ continue;
+ }
+
+ printf (" %8.8lx %8.8lx %8.8lx",
+ offset, begin + base_address, end + base_address);
+
+ if (begin == end)
+ fputs (_(" (start == end)"), stdout);
+ else if (begin > end)
+ fputs (_(" (start > end)"), stdout);
+
+ putchar ('\n');
+ }
+ fputs (_(" <End of list>\n"), stdout);
+ }
+ }
+ putchar ('\n');
+ return 1;
+}
+
typedef struct Frame_Chunk
{
struct Frame_Chunk *next;
switch (encoding & 0x7)
{
default: /* ??? */
- case 0: return is_32bit_elf ? 4 : 8;
+ case 0: return eh_addr_size;
case 2: return 2;
case 3: return 4;
case 4: return 8;
Frame_Chunk *chunks = 0;
Frame_Chunk *remembered_state = 0;
Frame_Chunk *rs;
- int is_eh = (strcmp (SECTION_NAME (section), ".eh_frame") == 0);
+ int is_eh = streq (SECTION_NAME (section), ".eh_frame");
int length_return;
int max_regs = 0;
- int addr_size = is_32bit_elf ? 4 : 8;
printf (_("The section %s contains:\n"), SECTION_NAME (section));
int need_col_headers = 1;
unsigned char *augmentation_data = NULL;
unsigned long augmentation_data_len = 0;
- int encoded_ptr_size = addr_size;
+ int encoded_ptr_size = eh_addr_size;
int offset_size;
int initial_length_size;
augmentation_data = start;
start += augmentation_data_len;
}
- else if (strcmp (fc->augmentation, "eh") == 0)
+ else if (streq (fc->augmentation, "eh"))
{
- start += addr_size;
+ start += eh_addr_size;
fc->code_factor = LEB ();
fc->data_factor = SLEB ();
if (version == 1)
if (! do_debug_frames_interp && augmentation_data_len)
{
unsigned long i;
+
printf (" Augmentation data: ");
for (i = 0; i < augmentation_data_len; ++i)
printf (" %02x", augmentation_data[i]);
}
}
- /* At this point, fc is the current chunk, cie (if any) is set, and we're
- about to interpret instructions for the chunk. */
+ /* At this point, fc is the current chunk, cie (if any) is set, and
+ we're about to interpret instructions for the chunk. */
/* ??? At present we need to do this always, since this sizes the
fc->col_type and fc->col_offset arrays, which we write into always.
We should probably split the interpreted and non-interpreted bits
if (! do_debug_frames_interp)
{
printf (" DW_CFA_def_cfa_expression (");
- decode_location_expression (start, addr_size, ul);
+ decode_location_expression (start, eh_addr_size, ul, 0);
printf (")\n");
}
fc->cfa_exp = 1;
if (! do_debug_frames_interp)
{
printf (" DW_CFA_expression: r%ld (", reg);
- decode_location_expression (start, addr_size, ul);
+ decode_location_expression (start, eh_addr_size, ul, 0);
printf (")\n");
}
fc->col_type[reg] = DW_CFA_expression;
break;
default:
- fprintf (stderr, "unsupported or unknown DW_CFA_%d\n", op);
+ warn (_("unsupported or unknown DW_CFA_%d\n"), op);
start = block_end;
}
}
{ ".debug_str", display_debug_str },
{ ".debug_loc", display_debug_loc },
{ ".debug_pubtypes", display_debug_pubnames },
- { ".debug_ranges", display_debug_not_supported },
+ { ".debug_ranges", display_debug_ranges },
{ ".debug_static_func", display_debug_not_supported },
{ ".debug_static_vars", display_debug_not_supported },
{ ".debug_types", display_debug_not_supported },
{
char *name = SECTION_NAME (section);
bfd_size_type length;
- unsigned char *start;
+ int result = 1;
int i;
length = section->sh_size;
return 0;
}
- start = get_data (NULL, file, section->sh_offset, length,
- _("debug section data"));
- if (!start)
- return 0;
-
- /* See if we know how to display the contents of this section. */
- if (strncmp (name, ".gnu.linkonce.wi.", 17) == 0)
+ if (strneq (name, ".gnu.linkonce.wi.", 17))
name = ".debug_info";
+ /* See if we know how to display the contents of this section. */
for (i = NUM_ELEM (debug_displays); i--;)
- if (strcmp (debug_displays[i].name, name) == 0)
+ if (streq (debug_displays[i].name, name))
{
- debug_displays[i].display (section, start, file);
+ unsigned char *start;
+
+ start = get_data (NULL, file, section->sh_offset, length,
+ _("debug section data"));
+ if (start == NULL)
+ {
+ result = 0;
+ break;
+ }
+
+ result &= debug_displays[i].display (section, start, file);
+ free (start);
+
+ /* If we loaded in the abbrev section
+ at some point, we must release it here. */
+ free_abbrevs ();
+
break;
}
if (i == -1)
- printf (_("Unrecognized debug section: %s\n"), name);
-
- free (start);
-
- /* If we loaded in the abbrev section at some point,
- we must release it here. */
- free_abbrevs ();
+ {
+ printf (_("Unrecognized debug section: %s\n"), name);
+ result = 0;
+ }
- return 1;
+ return result;
}
-static int
+static void
process_section_contents (FILE *file)
{
Elf_Internal_Shdr *section;
unsigned int i;
if (! do_dump)
- return 1;
+ return;
for (i = 0, section = section_headers;
i < elf_header.e_shnum && i < num_dump_sects;
display_debug_section (section, file);
}
- if (i < num_dump_sects)
- warn (_("Some sections were not dumped because they do not exist!\n"));
-
- return 1;
+ /* Check to see if the user requested a
+ dump of a section that does not exist. */
+ while (i++ < num_dump_sects)
+ if (dump_sects[i])
+ warn (_("Section %d was not dumped because it does not exist!\n"), i);
}
static void
tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
printf ("%3lu: ", (unsigned long) cnt);
- print_symbol (20, dynamic_strings + liblist.l_name);
+ if (VALID_DYNAMIC_NAME (liblist.l_name))
+ print_symbol (20, GET_DYNAMIC_NAME (liblist.l_name));
+ else
+ printf ("<corrupt: %9ld>", liblist.l_name);
printf (" %s %#10lx %-7ld", timebuf, liblist.l_checksum,
liblist.l_version);
printf ("%5lu: %8lu ", (unsigned long) cnt, iconf[cnt]);
print_vma (psym->st_value, FULL_HEX);
putchar (' ');
- print_symbol (25, dynamic_strings + psym->st_name);
+ if (VALID_DYNAMIC_NAME (psym->st_name))
+ print_symbol (25, GET_DYNAMIC_NAME (psym->st_name));
+ else
+ printf ("<corrupt: %14ld>", psym->st_name);
putchar ('\n');
}
{
static char buff[64];
- switch (e_type)
- {
- case NT_AUXV: return _("NT_AUXV (auxiliary vector)");
- case NT_PRSTATUS: return _("NT_PRSTATUS (prstatus structure)");
- case NT_FPREGSET: return _("NT_FPREGSET (floating point registers)");
- case NT_PRPSINFO: return _("NT_PRPSINFO (prpsinfo structure)");
- case NT_TASKSTRUCT: return _("NT_TASKSTRUCT (task structure)");
- case NT_PRXFPREG: return _("NT_PRXFPREG (user_xfpregs structure)");
- case NT_PSTATUS: return _("NT_PSTATUS (pstatus structure)");
- case NT_FPREGS: return _("NT_FPREGS (floating point registers)");
- case NT_PSINFO: return _("NT_PSINFO (psinfo structure)");
- case NT_LWPSTATUS: return _("NT_LWPSTATUS (lwpstatus_t structure)");
- case NT_LWPSINFO: return _("NT_LWPSINFO (lwpsinfo_t structure)");
- case NT_WIN32PSTATUS: return _("NT_WIN32PSTATUS (win32_pstatus structure)");
- default:
- sprintf (buff, _("Unknown note type: (0x%08x)"), e_type);
- return buff;
- }
+ if (elf_header.e_type == ET_CORE)
+ switch (e_type)
+ {
+ case NT_AUXV:
+ return _("NT_AUXV (auxiliary vector)");
+ case NT_PRSTATUS:
+ return _("NT_PRSTATUS (prstatus structure)");
+ case NT_FPREGSET:
+ return _("NT_FPREGSET (floating point registers)");
+ case NT_PRPSINFO:
+ return _("NT_PRPSINFO (prpsinfo structure)");
+ case NT_TASKSTRUCT:
+ return _("NT_TASKSTRUCT (task structure)");
+ case NT_PRXFPREG:
+ return _("NT_PRXFPREG (user_xfpregs structure)");
+ case NT_PSTATUS:
+ return _("NT_PSTATUS (pstatus structure)");
+ case NT_FPREGS:
+ return _("NT_FPREGS (floating point registers)");
+ case NT_PSINFO:
+ return _("NT_PSINFO (psinfo structure)");
+ case NT_LWPSTATUS:
+ return _("NT_LWPSTATUS (lwpstatus_t structure)");
+ case NT_LWPSINFO:
+ return _("NT_LWPSINFO (lwpsinfo_t structure)");
+ case NT_WIN32PSTATUS:
+ return _("NT_WIN32PSTATUS (win32_pstatus structure)");
+ default:
+ break;
+ }
+ else
+ switch (e_type)
+ {
+ case NT_VERSION:
+ return _("NT_VERSION (version)");
+ case NT_ARCH:
+ return _("NT_ARCH (architecture)");
+ default:
+ break;
+ }
+
+ sprintf (buff, _("Unknown note type: (0x%08x)"), e_type);
+ return buff;
}
static const char *
const char *nt;
if (pnote->namesz == 0)
- {
- /* If there is no note name, then use the default set of
- note type strings. */
- nt = get_note_type (pnote->type);
- }
- else if (strncmp (pnote->namedata, "NetBSD-CORE", 11) == 0)
- {
- /* NetBSD-specific core file notes. */
- nt = get_netbsd_elfcore_note_type (pnote->type);
- }
+ /* If there is no note name, then use the default set of
+ note type strings. */
+ nt = get_note_type (pnote->type);
+
+ else if (strneq (pnote->namedata, "NetBSD-CORE", 11))
+ /* NetBSD-specific core file notes. */
+ nt = get_netbsd_elfcore_note_type (pnote->type);
+
else
- {
- /* Don't recognize this note name; just use the default set of
- note type strings. */
+ /* Don't recognize this note name; just use the default set of
+ note type strings. */
nt = get_note_type (pnote->type);
- }
printf (" %s\t\t0x%08lx\t%s\n",
pnote->namesz ? pnote->namedata : "(NONE)",
}
static int
-process_corefile_contents (FILE *file)
+process_note_sections (FILE *file)
+{
+ Elf_Internal_Shdr *section;
+ unsigned long i;
+ int res = 1;
+
+ for (i = 0, section = section_headers;
+ i < elf_header.e_shnum;
+ i++, section++)
+ if (section->sh_type == SHT_NOTE)
+ res &= process_corefile_note_segment (file,
+ (bfd_vma) section->sh_offset,
+ (bfd_vma) section->sh_size);
+
+ return res;
+}
+
+static int
+process_notes (FILE *file)
{
/* If we have not been asked to display the notes then do nothing. */
if (! do_notes)
return 1;
- /* If file is not a core file then exit. */
if (elf_header.e_type != ET_CORE)
- return 1;
+ return process_note_sections (file);
/* No program headers means no NOTE segment. */
- if (elf_header.e_phnum == 0)
- {
- printf (_("No note segments present in the core file.\n"));
- return 1;
- }
+ if (elf_header.e_phnum > 0)
+ return process_corefile_note_segments (file);
- return process_corefile_note_segments (file);
+ printf (_("No note segments present in the core file.\n"));
+ return 1;
}
static int
if (show_name)
printf (_("\nFile: %s\n"), file_name);
+ /* Initialise the dump_sects array from the cmdline_dump_sects array.
+ Note we do this even if cmdline_dump_sects is empty because we
+ must make sure that the dump_sets array is zeroed out before each
+ object file is processed. */
+ if (num_dump_sects > num_cmdline_dump_sects)
+ memset (dump_sects, 0, num_dump_sects);
+
+ if (num_cmdline_dump_sects > 0)
+ {
+ if (num_dump_sects == 0)
+ /* A sneaky way of allocating the dump_sects array. */
+ request_dump (num_cmdline_dump_sects, 0);
+
+ assert (num_dump_sects >= num_cmdline_dump_sects);
+ memcpy (dump_sects, cmdline_dump_sects, num_cmdline_dump_sects);
+ }
+
if (! process_file_header ())
return 1;
process_section_contents (file);
- process_corefile_contents (file);
+ process_notes (file);
process_gnu_liblist (file);
{
free (dynamic_strings);
dynamic_strings = NULL;
+ dynamic_strings_length = 0;
}
if (dynamic_symbols)
section_groups = NULL;
}
+ if (debug_information)
+ {
+ for (i = 0; i < num_debug_info_entries; i++)
+ {
+ if (!debug_information [i].max_loc_offsets)
+ {
+ free (debug_information [i].loc_offsets);
+ free (debug_information [i].have_frame_base);
+ }
+ if (!debug_information [i].max_range_lists)
+ free (debug_information [i].range_lists);
+ }
+ free (debug_information);
+ debug_information = NULL;
+ num_debug_info_entries = 0;
+ }
+
return 0;
}
if (fread (longnames, longnames_size, 1, file) != 1)
{
free (longnames);
- error(_("%s: failed to read string table\n"), file_name);
+ error (_("%s: failed to read string table\n"), file_name);
return 1;
}
archive_file_offset = ftell (file);
archive_file_size = strtoul (arhdr.ar_size, NULL, 10);
-
+
ret |= process_object (namealc, file);
free (namealc);
main (int argc, char **argv)
{
int err;
- char *cmdline_dump_sects = NULL;
- unsigned num_cmdline_dump_sects = 0;
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
setlocale (LC_MESSAGES, "");
parse_args (argc, argv);
- if (optind < (argc - 1))
- show_name = 1;
-
- /* When processing more than one file remember the dump requests
- issued on command line to reset them after each file. */
- if (optind + 1 < argc && dump_sects != NULL)
+ if (num_dump_sects > 0)
{
+ /* Make a copy of the dump_sects array. */
cmdline_dump_sects = malloc (num_dump_sects);
if (cmdline_dump_sects == NULL)
error (_("Out of memory allocating dump request table."));
}
}
+ if (optind < (argc - 1))
+ show_name = 1;
+
err = 0;
while (optind < argc)
- {
- err |= process_file (argv[optind++]);
-
- /* Reset dump requests. */
- if (optind < argc && dump_sects != NULL)
- {
- num_dump_sects = num_cmdline_dump_sects;
- if (num_cmdline_dump_sects > 0)
- memcpy (dump_sects, cmdline_dump_sects, num_cmdline_dump_sects);
- }
- }
+ err |= process_file (argv[optind++]);
if (dump_sects != NULL)
free (dump_sects);
projects / deliverable / binutils-gdb.git / blobdiff