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libsysprof-capture: add map variant with build-id

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This allows tacking on suplimental data to the capture with a build-id so
that our SysprofDocumentMmap can read it. The format is @build-id\0 after
the trailing \0 of the filename in a SysprofCaptureMap frame.
This commit is contained in:
Christian Hergert
2023-07-24 17:29:59 -07:00
parent dfd81f1ecb
commit a7fe9abb19
3 changed files with 95 additions and 0 deletions
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26
src/libsysprof-capture/tests/test-capture.c
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@ -101,6 +101,32 @@ test_reader_basic (void)
g_assert_cmpstr (map->filename, ==, str);
}
r = sysprof_capture_writer_add_map_with_build_id (writer, t, -1, -1, 0, 0, 0, 0, "map", "build-id");
g_assert_cmpint (r, ==, TRUE);
sysprof_capture_writer_flush (writer);
{
SysprofCaptureFrameType type = -1;
const SysprofCaptureMap *map;
if (!sysprof_capture_reader_peek_type (reader, &type))
g_assert_not_reached ();
g_assert_cmpint (type, ==, SYSPROF_CAPTURE_FRAME_MAP);
map = sysprof_capture_reader_read_map (reader);
g_assert_nonnull (map);
g_assert_cmpint (map->frame.pid, ==, -1);
g_assert_cmpint (map->frame.cpu, ==, -1);
g_assert_cmpint (map->start, ==, 0);
g_assert_cmpint (map->end, ==, 0);
g_assert_cmpint (map->offset, ==, 0);
g_assert_cmpint (map->inode, ==, 0);
g_assert_cmpstr (map->filename, ==, "map");
g_assert_cmpstr (map->filename+strlen("map")+1, ==, "@build-id");
}
/* Now that we have read a frame, we should start having updated
* end times with each incoming frame.
*/