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| author | Jan Kratochvil <jan.kratochvil@redhat.com> | 2015-07-15 17:37:28 +0200 |
|---|---|---|
| committer | Jan Kratochvil <jan.kratochvil@redhat.com> | 2015-07-15 17:42:07 +0200 |
| commit | ca5268b6be265580b91ef75c1a1a9815f581ae42 (patch) | |
| tree | bfe99b4ca46a726297c74f34ea68abe95d546ec2 /gdb/solist.h | |
| parent | 700ca40f6fc1addd7238f4ab57f76c095ad3c99f (diff) | |
| download | gdb-ca5268b6be265580b91ef75c1a1a9815f581ae42.zip gdb-ca5268b6be265580b91ef75c1a1a9815f581ae42.tar.gz gdb-ca5268b6be265580b91ef75c1a1a9815f581ae42.tar.bz2 | |
Validate symbol file using build-id
Consumer part of the "build-id" attribute.
gdb/ChangeLog
2015-07-15 Aleksandar Ristovski <aristovski@qnx.com
Jan Kratochvil <jan.kratochvil@redhat.com>
Validate symbol file using build-id.
* NEWS (Changes since GDB 7.10): Add 'set validate-build-id'
and 'show validate-build-id'. Add build-id attribute.
* solib-darwin.c (_initialize_darwin_solib): Assign validate value.
* solib-dsbt.c (_initialize_dsbt_solib): Ditto.
* solib-frv.c (_initialize_frv_solib): Ditto.
* solib-spu.c (set_spu_solib_ops): Ditto.
* solib-svr4.c: Include rsp-low.h.
(NOTE_GNU_BUILD_ID_NAME): New define.
(svr4_validate): New function.
(svr4_copy_library_list): Duplicate field build_id.
(library_list_start_library): Parse 'build-id' attribute.
(svr4_library_attributes): Add 'build-id' attribute.
(_initialize_svr4_solib): Assign validate value.
* solib-target.c (solib.h): Include.
(_initialize_solib_target): Assign validate value.
* solib.c (validate_build_id, show_validate_build_id): New.
(solib_map_sections): Use ops->validate.
(clear_so): Free build_id.
(default_solib_validate): New function.
(_initialize_solib): Add "validate-build-id".
* solib.h (default_solib_validate): New declaration.
* solist.h (struct so_list): New fields 'build_idsz' and 'build_id'.
(target_so_ops): New field 'validate'.
gdb/doc/ChangeLog
2015-07-15 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdb.texinfo (Files): Add 'set validate-build-id'
and 'show validate-build-id'.
Diffstat (limited to 'gdb/solist.h')
| -rw-r--r-- | gdb/solist.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gdb/solist.h b/gdb/solist.h index 7021f5c..e6e74af 100644 --- a/gdb/solist.h +++ b/gdb/solist.h @@ -75,6 +75,19 @@ struct so_list There may not be just one (e.g. if two segments are relocated differently); but this is only used for "info sharedlibrary". */ CORE_ADDR addr_low, addr_high; + + /* Build id decoded from .note.gnu.build-id without note header. This is + actual BUILD_ID which comes either from the remote target via qXfer + packet or via reading target memory. Note that if there's a + mismatch with the associated bfd then so->abfd will be cleared. + Reading target memory should be done by following execution view + of the binary (following program headers in the case of ELF). + Computing address from the linking view (following ELF section + headers) may give incorrect build-id memory address despite the + symbols still match. + Such an example is a prelinked vs. unprelinked i386 ELF file. */ + size_t build_idsz; + gdb_byte *build_id; }; struct target_so_ops @@ -168,6 +181,11 @@ struct target_so_ops NULL, in which case no specific preprocessing is necessary for this target. */ void (*handle_event) (void); + + /* Return NULL if SO does match target SO it is supposed to + represent. Otherwise return string describing why it does not match. + Caller has to free the string. */ + char *(*validate) (const struct so_list *so); }; /* Free the memory associated with a (so_list *). */ |