yggdrasil/binutils-gdb
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[AArch64] MTE corefile support

Browse Source 
bfd	* elf.c (elfcore_make_memtag_note_section): New function.
	(elfcore_grok_note): Handle NT_MEMTAG note types.

binutils* readelf.c (get_note_type): Handle NT_MEMTAG note types.

include	* elf/common.h (NT_MEMTAG): New constant.
	(NT_MEMTAG_TYPE_AARCH_MTE): New constant.
This commit is contained in:
Luis Machado 2021-05-21 10:40:32 +01:00 committed by Nick Clifton
parent 75b969ccb1
commit 894982bfcc
6 changed files with 41 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
bfd/ChangeLog
View File

@ -1,3 +1,8 @@
2021-05-21 Luis Machado <luis.machado@linaro.org>
* elf.c (elfcore_make_memtag_note_section): New function.
(elfcore_grok_note): Handle NT_MEMTAG note types.
2021-05-20 Andrew Burgess <andrew.burgess@embecosm.com>
* section.c (bfd_get_section_by_name): Return NULL if name is

19
bfd/elf.c
View File

@ -9597,6 +9597,23 @@ elfcore_make_auxv_note_section (bfd *abfd, Elf_Internal_Note *note,
return true;
}
static bool
elfcore_make_memtag_note_section (bfd *abfd, Elf_Internal_Note *note,
size_t offs)
{
asection *sect = bfd_make_section_anyway_with_flags (abfd, ".memtag",
SEC_HAS_CONTENTS);
if (sect == NULL)
return false;
sect->size = note->descsz - offs;
sect->filepos = note->descpos + offs;
sect->alignment_power = 1 + bfd_get_arch_size (abfd) / 32;
return true;
}
/* prstatus_t exists on:
solaris 2.5+
linux 2.[01] + glibc
@ -10657,6 +10674,8 @@ elfcore_grok_note (bfd *abfd, Elf_Internal_Note *note)
return elfcore_make_note_pseudosection (abfd, ".note.linuxcore.siginfo",
note);
case NT_MEMTAG:
return elfcore_make_memtag_note_section (abfd, note, 0);
}
}

4
binutils/ChangeLog
View File

@ -1,3 +1,7 @@
2021-05-21 Luis Machado <luis.machado@linaro.org>
* readelf.c (get_note_type): Handle NT_MEMTAG note types.
2021-05-19 Eli Schwartz <eschwartz@archlinux.org>
* dwarf.c (ENABLE_CHECKING): Define to 0 if not previously set.

2
binutils/readelf.c
View File

@ -18696,6 +18696,8 @@ get_note_type (Filedata * filedata, unsigned e_type)
return _("NT_SIGINFO (siginfo_t data)");
case NT_FILE:
return _("NT_FILE (mapped files)");
case NT_MEMTAG:
return _("NT_MEMTAG (memory tags)");
default:
break;
}

5
include/ChangeLog
View File

@ -1,3 +1,8 @@
2021-05-21 Luis Machado <luis.machado@linaro.org>
* elf/common.h (NT_MEMTAG): New constant.
(NT_MEMTAG_TYPE_AARCH_MTE): New constant.
2021-05-07 Clément Chigot <clement.chigot@atos.net>
* coff/internal.h (C_DWARF): New define.

6
include/elf/common.h
View File

@ -685,6 +685,12 @@
/* The range 0xff000000 to 0xffffffff is set aside for notes that don't
originate from any particular operating system. */
#define NT_GDB_TDESC 0xff000000 /* Contains copy of GDB's target description XML. */
#define NT_MEMTAG 0xff000001 /* Contains a copy of the memory tags. */
/* NT_MEMTAG record types. */
/* ARM-specific NT_MEMTAG types. */
#define NT_MEMTAG_TYPE_AARCH_MTE 0x400 /* MTE memory tags for AArch64. */
/* Note segments for core files on dir-style procfs systems. */