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Diffstat (limited to 'binutils/readelf.c')
-rw-r--r--binutils/readelf.c202
1 files changed, 179 insertions, 23 deletions
diff --git a/binutils/readelf.c b/binutils/readelf.c
index ba32e1e..f656eeb 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -73,6 +73,9 @@ unsigned int rela_size;
char * dynamic_strings;
char * string_table;
Elf_Internal_Sym * dynamic_symbols;
+Elf_Internal_Syminfo * dynamic_syminfo;
+unsigned long int dynamic_syminfo_offset;
+unsigned int dynamic_syminfo_nent;
char program_interpreter [64];
int dynamic_info[DT_JMPREL + 1];
int version_info[16];
@@ -1289,7 +1292,7 @@ process_program_headers (file)
printf
(_("\nProgram Header%s:\n"), elf_header.e_phnum > 1 ? "s" : "");
printf
- (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n"));
+ (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n"));
}
loadaddr = -1;
@@ -1302,7 +1305,7 @@ process_program_headers (file)
if (do_segments)
{
printf (" %-11.11s ", get_segment_type (segment->p_type));
- printf ("0x%5.5lx ", (unsigned long) segment->p_offset);
+ printf ("0x%6.6lx ", (unsigned long) segment->p_offset);
printf ("0x%8.8lx ", (unsigned long) segment->p_vaddr);
printf ("0x%8.8lx ", (unsigned long) segment->p_paddr);
printf ("0x%5.5lx ", (unsigned long) segment->p_filesz);
@@ -1521,6 +1524,7 @@ process_section_headers (file)
and dynamic string table. */
dynamic_symbols = NULL;
dynamic_strings = NULL;
+ dynamic_syminfo = NULL;
for (i = 0, section = section_headers;
i < elf_header.e_shnum;
i ++, section ++)
@@ -1697,26 +1701,70 @@ static void
dynamic_segment_mips_val (entry)
Elf_Internal_Dyn *entry;
{
- switch (entry->d_tag)
- {
- 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:
- if (do_dynamic)
+ if (do_dynamic)
+ 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 < sizeof (opts) / sizeof (opts[0]); ++cnt)
+ if (entry->d_un.d_val & (1 << cnt))
+ {
+ printf ("%s%s", first ? "" : " ", opts[cnt]);
+ first = 0;
+ }
+ puts ("");
+ }
+ break;
+
+ 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;
+
+ case DT_MIPS_TIME_STAMP:
+ {
+ char timebuf[20];
+ time_t time = entry->d_un.d_val;
+ strftime (timebuf, 20, "%Y-%m-%dT%H:%M:%S", gmtime (&time));
+ 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:
- if (do_dynamic)
+ break;
+
+ default:
printf ("%#lx\n", (long) entry->d_un.d_ptr);
- }
+ }
}
/* Parse the dynamic segment */
@@ -1842,6 +1890,51 @@ process_dynamic_segment (file)
}
}
+ /* And find the syminfo section if available. */
+ if (dynamic_syminfo == NULL)
+ {
+ unsigned int syminsz = 0;
+
+ for (i = 0, entry = dynamic_segment;
+ i < dynamic_size;
+ ++i, ++ entry)
+ {
+ if (entry->d_tag == DT_SYMINENT)
+ assert (sizeof (Elf_External_Syminfo) == entry->d_un.d_val);
+ else if (entry->d_tag == DT_SYMINSZ)
+ syminsz = entry->d_un.d_val;
+ else if (entry->d_tag == DT_SYMINFO)
+ dynamic_syminfo_offset = entry->d_un.d_val - loadaddr;
+ }
+
+ if (dynamic_syminfo_offset != 0 && syminsz != 0)
+ {
+ Elf_External_Syminfo *extsyminfo;
+ Elf_Internal_Syminfo *syminfo;
+
+ /* There is a syminfo section. Read the data. */
+ GET_DATA_ALLOC (dynamic_syminfo_offset, syminsz, extsyminfo,
+ Elf_External_Syminfo *, "symbol information");
+
+ dynamic_syminfo = (Elf_Internal_Syminfo *) malloc (syminsz);
+ if (dynamic_syminfo == NULL)
+ {
+ error (_("Out of memory\n"));
+ return 0;
+ }
+
+ dynamic_syminfo_nent = syminsz / sizeof (Elf_External_Syminfo);
+ for (i = 0, syminfo = dynamic_syminfo; i < dynamic_syminfo_nent;
+ ++i, ++syminfo)
+ {
+ syminfo->si_boundto = BYTE_GET (extsyminfo[i].si_boundto);
+ syminfo->si_flags = BYTE_GET (extsyminfo[i].si_flags);
+ }
+
+ free (extsyminfo);
+ }
+ }
+
if (do_dynamic && dynamic_addr)
printf (_("\nDynamic segment at offset 0x%x contains %d entries:\n"),
dynamic_addr, dynamic_size);
@@ -2951,6 +3044,61 @@ process_symbol_table (file)
}
static int
+process_syminfo (file)
+ FILE * file;
+{
+ int i;
+
+ if (dynamic_syminfo == NULL
+ || !do_dynamic)
+ /* No syminfo, this is ok. */
+ return 1;
+
+ /* There better should be a dynamic symbol section. */
+ if (dynamic_symbols == NULL || dynamic_strings == NULL)
+ return 0;
+
+ if (dynamic_addr)
+ printf (_("\nDynamic info segment at offset 0x%x contains %d entries:\n"),
+ dynamic_syminfo_offset, dynamic_syminfo_nent);
+
+ printf (_(" Num: Name BoundTo Flags\n"));
+ for (i = 0; i < dynamic_syminfo_nent; ++i)
+ {
+ unsigned short int flags = dynamic_syminfo[i].si_flags;
+
+ printf ("%4d: %-35s ", i,
+ dynamic_strings + dynamic_symbols[i].st_name);
+
+ switch (dynamic_syminfo[i].si_boundto)
+ {
+ case SYMINFO_BT_SELF:
+ fputs ("SELF ", stdout);
+ break;
+ case SYMINFO_BT_PARENT:
+ fputs ("PARENT ", stdout);
+ break;
+ default:
+ printf ("%-7d ", dynamic_syminfo[i].si_boundto);
+ break;
+ }
+
+ if (flags & SYMINFO_FLG_DIRECT)
+ printf (" DIRECT");
+ if (flags & SYMINFO_FLG_PASSTHRU)
+ printf (" PASSTHRU");
+ if (flags & SYMINFO_FLG_COPY)
+ printf (" COPY");
+ if (flags & SYMINFO_FLG_LAZYLOAD)
+ printf (" LAZYLOAD");
+
+ puts ("");
+ }
+
+ return 1;
+}
+
+static int
process_section_contents (file)
FILE * file;
{
@@ -3116,14 +3264,14 @@ process_mips_specific (file)
elib, Elf32_External_Lib *, "liblist");
printf ("\nSection '.liblist' contains %d entries:\n", liblistno);
- fputs (" Library Time Stamp Checksum Version Flags\n",
+ fputs (" Library Time Stamp Checksum Version Flags\n",
stdout);
for (cnt = 0; cnt < liblistno; ++cnt)
{
Elf32_Lib liblist;
time_t time;
- char timebuf[17];
+ char timebuf[20];
liblist.l_name = BYTE_GET (elib[cnt].l_name);
time = BYTE_GET (elib[cnt].l_time_stamp);
@@ -3131,7 +3279,7 @@ process_mips_specific (file)
liblist.l_version = BYTE_GET (elib[cnt].l_version);
liblist.l_flags = BYTE_GET (elib[cnt].l_flags);
- strftime (timebuf, 17, "%Y-%m-%dT%H:%M", gmtime (&time));
+ strftime (timebuf, 20, "%Y-%m-%dT%H:%M:%S", gmtime (&time));
printf ("%3d: %-20s %s %#10lx %-7ld %#lx\n", cnt,
dynamic_strings + liblist.l_name, timebuf,
@@ -3438,6 +3586,8 @@ process_file (file_name)
process_symbol_table (file);
+ process_syminfo (file);
+
process_version_sections (file);
process_section_contents (file);
@@ -3469,6 +3619,12 @@ process_file (file_name)
free (dynamic_symbols);
dynamic_symbols = NULL;
}
+
+ if (dynamic_syminfo)
+ {
+ free (dynamic_syminfo);
+ dynamic_syminfo = NULL;
+ }
}
#ifdef SUPPORT_DISASSEMBLY
generated by cgit v1.1 at 2024-12-24 07:30:22 +0000