Commit 4e88118c authored by Ilya Leoshkevich's avatar Ilya Leoshkevich Committed by Arnaldo Carvalho de Melo
Browse files

perf tools: Use __BYTE_ORDER__ 



Switch from the libc-defined __BYTE_ORDER to the compiler-defined
__BYTE_ORDER__ in order to make endianness detection more robust, like
it was done for libbpf.

Signed-off-by: default avatarIlya Leoshkevich <iii@linux.ibm.com>
Suggested-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Link: https://lore.kernel.org/r/20211104132311.984703-1-iii@linux.ibm.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent b3a018fc

tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c

+1 −1
Original line number Diff line number Diff line
@@ -13,7 +13,7 @@ 


#include "arm-spe-pkt-decoder.h"



#if __BYTE_ORDER == __BIG_ENDIAN

#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__

#define le16_to_cpu bswap_16

#define le32_to_cpu bswap_32

#define le64_to_cpu bswap_64

tools/perf/util/data-convert-bt.c

+1 −1
Original line number Diff line number Diff line
@@ -1437,7 +1437,7 @@ static struct bt_ctf_field_type *create_int_type(int size, bool sign, bool hex) 
	    bt_ctf_field_type_integer_set_base(type, BT_CTF_INTEGER_BASE_HEXADECIMAL))

		goto err;



#if __BYTE_ORDER == __BIG_ENDIAN

#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__

	bt_ctf_field_type_set_byte_order(type, BT_CTF_BYTE_ORDER_BIG_ENDIAN);

#else

	bt_ctf_field_type_set_byte_order(type, BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);

tools/perf/util/genelf.h

+1 −1
Original line number Diff line number Diff line
@@ -42,7 +42,7 @@ int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_ent 
#error "unsupported architecture"

#endif



#if __BYTE_ORDER == __BIG_ENDIAN

#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__

#define GEN_ELF_ENDIAN	ELFDATA2MSB

#else

#define GEN_ELF_ENDIAN	ELFDATA2LSB

tools/perf/util/intel-bts.c

+1 −1
Original line number Diff line number Diff line
@@ -35,7 +35,7 @@ 
#define INTEL_BTS_ERR_NOINSN  5

#define INTEL_BTS_ERR_LOST    9



#if __BYTE_ORDER == __BIG_ENDIAN

#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__

#define le64_to_cpu bswap_64

#else

#define le64_to_cpu

tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.c

+1 −1
Original line number Diff line number Diff line
@@ -143,7 +143,7 @@ static void intel_pt_insn_decoder(struct insn *insn, 


	if (branch == INTEL_PT_BR_CONDITIONAL ||

	    branch == INTEL_PT_BR_UNCONDITIONAL) {

#if __BYTE_ORDER == __BIG_ENDIAN

#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__

		switch (insn->immediate.nbytes) {

		case 1:

			intel_pt_insn->rel = insn->immediate.value;