linux-kernel - [PATCH 64/66] perf jvmti: Include JVMTI support for s390

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Message-Id: <20190926003244.13962-65-acme@kernel.org>
Date:   Wed, 25 Sep 2019 21:32:42 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
        Clark Williams <williams@...hat.com>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Thomas Richter <tmricht@...ux.ibm.com>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Hendrik Brueckner <brueckner@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 64/66] perf jvmti: Include JVMTI support for s390

From: Thomas Richter <tmricht@...ux.ibm.com>

Enable JVMTI support for s390 perf tool chain.

Signed-off-by: Thomas Richter <tmricht@...ux.ibm.com>
Cc: Heiko Carstens <heiko.carstens@...ibm.com>
Cc: Hendrik Brueckner <brueckner@...ux.ibm.com>
Cc: Vasily Gorbik <gor@...ux.ibm.com>
Link: http://lore.kernel.org/lkml/20190909114116.50469-3-tmricht@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/arch/s390/Makefile | 1 +
 tools/perf/util/genelf.h      | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/tools/perf/arch/s390/Makefile b/tools/perf/arch/s390/Makefile
index cb198787570a..6ac8887be7c9 100644
--- a/tools/perf/arch/s390/Makefile
+++ b/tools/perf/arch/s390/Makefile
@@ -4,6 +4,7 @@ PERF_HAVE_DWARF_REGS := 1
 endif
 HAVE_KVM_STAT_SUPPORT := 1
 PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET := 1
+PERF_HAVE_JITDUMP := 1
 
 #
 # Syscall table generation for perf
diff --git a/tools/perf/util/genelf.h b/tools/perf/util/genelf.h
index b72440bf9a79..d4137559be05 100644
--- a/tools/perf/util/genelf.h
+++ b/tools/perf/util/genelf.h
@@ -35,6 +35,9 @@ int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_ent
 #elif defined(__sparc__)
 #define GEN_ELF_ARCH	EM_SPARC
 #define GEN_ELF_CLASS	ELFCLASS32
+#elif defined(__s390x__)
+#define GEN_ELF_ARCH	EM_S390
+#define GEN_ELF_CLASS	ELFCLASS64
 #else
 #error "unsupported architecture"
 #endif
-- 
2.21.0