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The Linux kernel can dump memory tag segments to a core file, one segment per mapped range. The format and documentation can be found in the Linux kernel tree [1]. The following patch adjusts bfd and binutils so they can handle this new segment type and display it accordingly. It also adds code required so GDB can properly read/dump core file data containing memory tags. Upon reading, each segment that contains memory tags gets mapped to a section named "memtag". These sections will be used by GDB to lookup the tag data. There can be multiple such sections with the same name, and they are not numbered to simplify GDB's handling and lookup. There is another patch for GDB that enables both reading and dumping of memory tag segments. Tested on aarch64-linux Ubuntu 20.04. [1] Documentation/arm64/memory-tagging-extension.rst (Core Dump Support) |
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| .. | ||
| aout | ||
| cgen | ||
| coff | ||
| elf | ||
| gdb | ||
| mach-o | ||
| opcode | ||
| sim | ||
| som | ||
| vms | ||
| alloca-conf.h | ||
| ansidecl.h | ||
| bfdlink.h | ||
| binary-io.h | ||
| bout.h | ||
| ChangeLog | ||
| ChangeLog-0415 | ||
| ChangeLog-2016 | ||
| ChangeLog-2017 | ||
| ChangeLog-2018 | ||
| ChangeLog-2019 | ||
| ChangeLog-2020 | ||
| ChangeLog-9103 | ||
| collectorAPI.h | ||
| COPYING | ||
| COPYING3 | ||
| ctf-api.h | ||
| ctf.h | ||
| demangle.h | ||
| diagnostics.h | ||
| dis-asm.h | ||
| dwarf2.def | ||
| dwarf2.h | ||
| dyn-string.h | ||
| environ.h | ||
| fibheap.h | ||
| filenames.h | ||
| floatformat.h | ||
| fnmatch.h | ||
| fopen-bin.h | ||
| fopen-same.h | ||
| fopen-vms.h | ||
| gcc-c-fe.def | ||
| gcc-c-interface.h | ||
| gcc-cp-fe.def | ||
| gcc-cp-interface.h | ||
| gcc-interface.h | ||
| getopt.h | ||
| hashtab.h | ||
| hp-symtab.h | ||
| leb128.h | ||
| libcollector.h | ||
| libfcollector.h | ||
| libiberty.h | ||
| longlong.h | ||
| lto-symtab.h | ||
| MAINTAINERS | ||
| md5.h | ||
| oasys.h | ||
| objalloc.h | ||
| obstack.h | ||
| os9k.h | ||
| partition.h | ||
| plugin-api.h | ||
| progress.h | ||
| safe-ctype.h | ||
| sha1.h | ||
| simple-object.h | ||
| sort.h | ||
| splay-tree.h | ||
| symcat.h | ||
| timeval-utils.h | ||
| vtv-change-permission.h | ||
| xregex2.h | ||
| xregex.h | ||
| xtensa-config.h | ||
| xtensa-isa-internal.h | ||
| xtensa-isa.h | ||