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Improve readelf notes output for Linux ELF files

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Add four ELF note constants:
- NT_FILE and NT_SIGINFO (core file notes output by recent Linux kernels)
- NT_GNU_ABI_TAG (was incorrectly reported as NT_VERSION)
- NT_GNU_BUILD_ID (used for locating standalone debug files)

Approved by:	re (kib)
This commit is contained in:
Ed Maste 2013-09-13 18:21:31 +00:00
parent 32b17786bd
commit 377fc97958
2 changed files with 30 additions and 0 deletions
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25
contrib/binutils/binutils/readelf.c
View File

@ -9109,6 +9109,10 @@ get_note_type (unsigned e_type)
return _("NT_LWPSINFO (lwpsinfo_t structure)");
case NT_WIN32PSTATUS:
return _("NT_WIN32PSTATUS (win32_pstatus structure)");
case NT_FILE:
return _("NT_FILE");
case NT_SIGINFO:
return _("NT_SIGINFO");
default:
break;
}
@ -9173,6 +9177,23 @@ get_freebsd_note_type (unsigned e_type)
return buff;
}
static const char *
get_gnu_note_type (unsigned e_type)
{
static char buff[64];
switch (e_type)
{
case NT_GNU_ABI_TAG:
return _("NT_GNU_ABI_TAG");
case NT_GNU_BUILD_ID:
return _("NT_GNU_BUILD_ID");
}
snprintf (buff, sizeof(buff), _("Unknown GNU note type: (0x%08x)"), e_type);
return buff;
}
static const char *
get_netbsd_elfcore_note_type (unsigned e_type)
{
@ -9254,6 +9275,10 @@ process_note (Elf_Internal_Note *pnote)
/* FreeBSD-specific core file notes. */
nt = get_freebsd_note_type (pnote->type);
else if (const_strneq (pnote->namedata, "GNU"))
/* GNU-specific notes */
nt = get_gnu_note_type (pnote->type);
else if (const_strneq (pnote->namedata, "NetBSD-CORE"))
/* NetBSD-specific core file notes. */
nt = get_netbsd_elfcore_note_type (pnote->type);

5
contrib/binutils/include/elf/common.h
View File

@ -388,8 +388,10 @@
#define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */
#define NT_TASKSTRUCT 4 /* Contains copy of task struct */
#define NT_AUXV 6 /* Contains copy of Elfxx_auxv_t */
#define NT_FILE 0x46494c45
#define NT_PRXFPREG 0x46e62b7f /* Contains a user_xfpregs_struct; */
/* note name must be "LINUX". */
#define NT_SIGINFO 0x53494749
/* Note segments for core files on dir-style procfs systems. */
@ -435,6 +437,9 @@
#define GNU_ABI_TAG_FREEBSD 3
#define GNU_ABI_TAG_NETBSD 4
/* Values for GNU .note.gnu.build-id notes. Note name is "GNU"." */
#define NT_GNU_BUILD_ID 3
/* Values for NetBSD .note.netbsd.ident notes. Note name is "NetBSD". */
#define NT_NETBSD_IDENT 1