4.19-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit d6afa561e1471ccfdaf7191230c0c59a37e45a5b ]
Using the sh_entsize for both values isn't correct. It happens to be correct on x86...
For both 32-bit and 64-bit sparc, there are four PLT entries in the PLT section.
Signed-off-by: David S. Miller davem@davemloft.net Cc: Alexander Shishkin alexander.shishkin@linux.intel.com Cc: Alexis Berlemont alexis.berlemont@gmail.com Cc: David Tolnay dtolnay@gmail.com Cc: Hanjun Guo guohanjun@huawei.com Cc: Hemant Kumar hemant@linux.vnet.ibm.com Cc: Li Bin huawei.libin@huawei.com Cc: Masami Hiramatsu mhiramat@kernel.org Cc: Milian Wolff milian.wolff@kdab.com Cc: Namhyung Kim namhyung@kernel.org Cc: Peter Zijlstra peterz@infradead.org Cc: Wang Nan wangnan0@huawei.com Cc: zhangmengting@huawei.com Fixes: b2f7605076d6 ("perf symbols: Fix plt entry calculation for ARM and AARCH64") Link: http://lkml.kernel.org/r/20181017.120859.2268840244308635255.davem@davemloft... Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- tools/perf/util/symbol-elf.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 29770ea61768..6e70cc00c161 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -324,7 +324,17 @@ int dso__synthesize_plt_symbols(struct dso *dso, struct symsrc *ss) plt_entry_size = 16; break;
- default: /* FIXME: s390/alpha/mips/parisc/poperpc/sh/sparc/xtensa need to be checked */ + case EM_SPARC: + plt_header_size = 48; + plt_entry_size = 12; + break; + + case EM_SPARCV9: + plt_header_size = 128; + plt_entry_size = 32; + break; + + default: /* FIXME: s390/alpha/mips/parisc/poperpc/sh/xtensa need to be checked */ plt_header_size = shdr_plt.sh_entsize; plt_entry_size = shdr_plt.sh_entsize; break;