From: cp0613@linux.alibaba.com To: palmer@dabbelt.com, paul.walmsley@sifive.com, aou@eecs.berkeley.edu Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Chen Pei <cp0613@linux.alibaba.com> Subject: [PATCH] tools/perf: Fix compiling with libelf on rv32 Date: Mon, 15 Apr 2024 17:55:32 +0800 [thread overview] Message-ID: <20240415095532.4930-1-cp0613@linux.alibaba.com> (raw) From: Chen Pei <cp0613@linux.alibaba.com> When cross-compiling perf with libelf, the following error occurred: In file included from tests/genelf.c:14: tests/../util/genelf.h:50:2: error: #error "unsupported architecture" 50 | #error "unsupported architecture" | ^~~~~ tests/../util/genelf.h:59:5: warning: "GEN_ELF_CLASS" is not defined, evaluates to 0 [-Wundef] 59 | #if GEN_ELF_CLASS == ELFCLASS64 Fix this by adding GEN-ELF-ARCH and GEN-ELF-CLASS definitions for rv32. Signed-off-by: Chen Pei <cp0613@linux.alibaba.com> --- tools/perf/util/genelf.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/perf/util/genelf.h b/tools/perf/util/genelf.h index 5f18d20ea903..4e2e4f40e134 100644 --- a/tools/perf/util/genelf.h +++ b/tools/perf/util/genelf.h @@ -43,6 +43,9 @@ int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_ent #elif defined(__riscv) && __riscv_xlen == 64 #define GEN_ELF_ARCH EM_RISCV #define GEN_ELF_CLASS ELFCLASS64 +#elif defined(__riscv) && __riscv_xlen == 32 +#define GEN_ELF_ARCH EM_RISCV +#define GEN_ELF_CLASS ELFCLASS32 #elif defined(__loongarch__) #define GEN_ELF_ARCH EM_LOONGARCH #define GEN_ELF_CLASS ELFCLASS64 -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: cp0613@linux.alibaba.com To: palmer@dabbelt.com, paul.walmsley@sifive.com, aou@eecs.berkeley.edu Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Chen Pei <cp0613@linux.alibaba.com> Subject: [PATCH] tools/perf: Fix compiling with libelf on rv32 Date: Mon, 15 Apr 2024 17:55:32 +0800 [thread overview] Message-ID: <20240415095532.4930-1-cp0613@linux.alibaba.com> (raw) From: Chen Pei <cp0613@linux.alibaba.com> When cross-compiling perf with libelf, the following error occurred: In file included from tests/genelf.c:14: tests/../util/genelf.h:50:2: error: #error "unsupported architecture" 50 | #error "unsupported architecture" | ^~~~~ tests/../util/genelf.h:59:5: warning: "GEN_ELF_CLASS" is not defined, evaluates to 0 [-Wundef] 59 | #if GEN_ELF_CLASS == ELFCLASS64 Fix this by adding GEN-ELF-ARCH and GEN-ELF-CLASS definitions for rv32. Signed-off-by: Chen Pei <cp0613@linux.alibaba.com> --- tools/perf/util/genelf.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/perf/util/genelf.h b/tools/perf/util/genelf.h index 5f18d20ea903..4e2e4f40e134 100644 --- a/tools/perf/util/genelf.h +++ b/tools/perf/util/genelf.h @@ -43,6 +43,9 @@ int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_ent #elif defined(__riscv) && __riscv_xlen == 64 #define GEN_ELF_ARCH EM_RISCV #define GEN_ELF_CLASS ELFCLASS64 +#elif defined(__riscv) && __riscv_xlen == 32 +#define GEN_ELF_ARCH EM_RISCV +#define GEN_ELF_CLASS ELFCLASS32 #elif defined(__loongarch__) #define GEN_ELF_ARCH EM_LOONGARCH #define GEN_ELF_CLASS ELFCLASS64 -- 2.25.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next reply other threads:[~2024-04-15 9:56 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-04-15 9:55 cp0613 [this message] 2024-04-15 9:55 ` [PATCH] tools/perf: Fix compiling with libelf on rv32 cp0613 2024-04-16 15:04 ` Ian Rogers 2024-04-16 15:04 ` Ian Rogers 2024-04-17 15:59 ` Arnaldo Carvalho de Melo 2024-04-17 15:59 ` Arnaldo Carvalho de Melo
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