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authorStephen Brennan <stephen.s.brennan@oracle.com>2025-03-07 15:22:03 -0800
committerNamhyung Kim <namhyung@kernel.org>2025-03-10 14:37:06 -0700
commitb10f74308e1305275e69ddde711ec817cc69e306 (patch)
tree0af41c086246522635994d43e2bdea03b8f39e49 /tools/perf/scripts/python
parent71fa411fe8904b6fe62e2bf3c64af48fadf1abfb (diff)
perf symbol: Support .gnu_debugdata for symbols
Fedora introduced a "MiniDebuginfo" feature, in which an LZMA-compressed ELF file is placed inside a section named ".gnu_debugdata". This file contains nothing but a symbol table, which can be used to supplement the .dynsym section which only contains required symbols for runtime. It is supported by GDB for stack traces, but it should be useful for tracing as well. Implement support for loading symbols from .gnu_debugdata. Signed-off-by: Stephen Brennan <stephen.s.brennan@oracle.com> Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Link: https://lore.kernel.org/r/20250307232206.2102440-4-stephen.s.brennan@oracle.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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