Commit b828a23a authored by Chen Pei's avatar Chen Pei Committed by Arnaldo Carvalho de Melo
Browse files

perf genelf: Fix compiling with libelf on rv32 



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.

Reviewed-by: default avatarIan Rogers <irogers@google.com>
Signed-off-by: default avatarChen Pei <cp0613@linux.alibaba.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Link: https://lore.kernel.org/r/20240415095532.4930-1-cp0613@linux.alibaba.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 4bb9c6e1

tools/perf/util/genelf.h

+3 −0
Original line number Diff line number Diff line
@@ -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