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binutils

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* readelf.c (get_note_type): Handle NT_SIGINFO, NT_FILE.
	(print_core_note): New function.
	(process_note): Call it.
include/common/elf
	* common.h (NT_SIGINFO, NT_FILE): New defines.
This commit is contained in:
Tom Tromey
2012-10-23 17:46:44 +00:00
parent 545f743d64
commit 9ece1fa991
4 changed files with 104 additions and 0 deletions
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92
binutils/readelf.c
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@@ -12612,6 +12612,10 @@ get_note_type (unsigned e_type)
return _("NT_LWPSINFO (lwpsinfo_t structure)");
case NT_WIN32PSTATUS:
return _("NT_WIN32PSTATUS (win32_pstatus structure)");
case NT_SIGINFO:
return _("NT_SIGINFO (siginfo_t data)");
case NT_FILE:
return _("NT_FILE (mapped files)");
default:
break;
}
@@ -12630,6 +12634,92 @@ get_note_type (unsigned e_type)
return buff;
}
static int
print_core_note (Elf_Internal_Note *pnote)
{
unsigned int addr_size = is_32bit_elf ? 4 : 8;
bfd_vma count, page_size;
unsigned char *descdata, *filenames, *descend;
if (pnote->type != NT_FILE)
return 1;
#ifndef BFD64
if (!is_32bit_elf)
{
printf (_(" Cannot decode 64-bit note in 32-bit build\n"));
/* Still "successful". */
return 1;
}
#endif
if (pnote->descsz < 2 * addr_size)
{
printf (_(" Malformed note - too short for header\n"));
return 0;
}
descdata = (unsigned char *) pnote->descdata;
descend = descdata + pnote->descsz;
if (descdata[pnote->descsz - 1] != '\0')
{
printf (_(" Malformed note - does not end with \\0\n"));
return 0;
}
count = byte_get (descdata, addr_size);
descdata += addr_size;
page_size = byte_get (descdata, addr_size);
descdata += addr_size;
if (pnote->descsz < 2 * addr_size + count * 3 * addr_size)
{
printf (_(" Malformed note - too short for supplied file count\n"));
return 0;
}
printf (_(" Page size: "));
print_vma (page_size, DEC);
printf ("\n");
printf (_(" %*s%*s%*s\n"),
(int) (2 + 2 * addr_size), _("Start"),
(int) (4 + 2 * addr_size), _("End"),
(int) (4 + 2 * addr_size), _("Page Offset"));
filenames = descdata + count * 3 * addr_size;
while (--count > 0)
{
bfd_vma start, end, file_ofs;
if (filenames == descend)
{
printf (_(" Malformed note - filenames end too early\n"));
return 0;
}
start = byte_get (descdata, addr_size);
descdata += addr_size;
end = byte_get (descdata, addr_size);
descdata += addr_size;
file_ofs = byte_get (descdata, addr_size);
descdata += addr_size;
printf (" ");
print_vma (start, FULL_HEX);
printf (" ");
print_vma (end, FULL_HEX);
printf (" ");
print_vma (file_ofs, FULL_HEX);
printf ("\n %s\n", filenames);
filenames += 1 + strlen ((char *) filenames);
}
return 1;
}
static const char *
get_gnu_elf_note_type (unsigned e_type)
{
@@ -12990,6 +13080,8 @@ process_note (Elf_Internal_Note * pnote)
return print_gnu_note (pnote);
else if (const_strneq (pnote->namedata, "stapsdt"))
return print_stapsdt_note (pnote);
else if (const_strneq (pnote->namedata, "CORE"))
return print_core_note (pnote);
else
return 1;
}