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2be732c02a
We were not considering 'B' and 'b' (BSS, uninitialized data objects, that gets set to zero at program start), do it so that we can resolve more symbols in tools doing resolution of data operands, like 'perf c2c'. When using vmlinux, i.e. an ELF symbol table, those were already considered, as the decision was about STT_FUNC or STT_OBJECT, and the later covers BSS symbols. # grep -i ' b ' /proc/kallsyms | head -20 | tail -5 ffffffffa789d030 b execute_command ffffffffa789d038 b initcall_command_line ffffffffa789d040 b static_command_line ffffffffa789d048 B ROOT_DEV ffffffffa789d050 b once.73786 # # readelf -s /lib/modules/`uname -r`/build/vmlinux | grep ROOT_DEV 79219: ffffffff8289d048 4 OBJECT GLOBAL DEFAULT 58 ROOT_DEV # Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-z960xobig39ca1pmp5brl2fr@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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