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perf.12035
perf-symbols-set-plt-entry-header-sizes-properl...
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File perf-symbols-set-plt-entry-header-sizes-properly-on-sparc.patch of Package perf.12035
From: David Miller <davem@davemloft.net> Date: Wed, 17 Oct 2018 12:08:59 -0700 Subject: perf symbols: Set PLT entry/header sizes properly on Sparc Git-commit: d6afa561e1471ccfdaf7191230c0c59a37e45a5b Patch-mainline: v4.20-rc1 References: git-fixes(fate#325865,fate#325861) 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.net Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Tony Jones <tonyj@suse.de> --- 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;
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