From 4ff128af76f44cc4e0aff55f00be3e57abf6ac00 Mon Sep 17 00:00:00 2001
From: Michael Jeanson <mjeanson@efficios.com>
Date: Tue, 13 Oct 2020 17:32:00 -0400
Subject: [PATCH 1/1] port: fix compat/endian.h on FreeBSD
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Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Change-Id: If591ed8d1cf50c1914a613976e9e285c3647906c
---
 src/bin/lttng-crash/lttng-crash.c | 12 ++++++------
 src/common/compat/endian.h        |  7 ++++++-
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/src/bin/lttng-crash/lttng-crash.c b/src/bin/lttng-crash/lttng-crash.c
index 8f94544ba..7f1f52803 100644
--- a/src/bin/lttng-crash/lttng-crash.c
+++ b/src/bin/lttng-crash/lttng-crash.c
@@ -20,7 +20,7 @@
 #include <unistd.h>
 #include <ctype.h>
 #include <dirent.h>
-#include <byteswap.h>
+#include <common/compat/endian.h>
 #include <inttypes.h>
 #include <stdbool.h>
 
@@ -373,19 +373,19 @@ uint64_t _crash_get_field(const struct lttng_crash_layout *layout,
 	switch (size) {
 	case 1:	return *(uint8_t *) ptr;
 	case 2:	if (layout->reverse_byte_order) {
-			return __bswap_16(*(uint16_t *) ptr);
+			return bswap_16(*(uint16_t *) ptr);
 		} else {
 			return *(uint16_t *) ptr;
 
 		}
 	case 4:	if (layout->reverse_byte_order) {
-			return __bswap_32(*(uint32_t *) ptr);
+			return bswap_32(*(uint32_t *) ptr);
 		} else {
 			return *(uint32_t *) ptr;
 
 		}
 	case 8:	if (layout->reverse_byte_order) {
-			return __bswap_64(*(uint64_t *) ptr);
+			return bswap_64(*(uint64_t *) ptr);
 		} else {
 			return *(uint64_t *) ptr;
 		}
@@ -720,7 +720,7 @@ int copy_crash_subbuf(const struct lttng_crash_layout *layout,
 				subbuf_ptr + layout->offset.packet_size,
 				layout->length.packet_size);
 			if (layout->reverse_byte_order) {
-				packet_size = __bswap_64(packet_size);
+				packet_size = bswap_64(packet_size);
 			}
 			packet_size /= CHAR_BIT;
 		} else {
@@ -736,7 +736,7 @@ int copy_crash_subbuf(const struct lttng_crash_layout *layout,
 		 */
 		patch_size = committed * CHAR_BIT;
 		if (layout->reverse_byte_order) {
-			patch_size = __bswap_64(patch_size);
+			patch_size = bswap_64(patch_size);
 		}
 		if (layout->length.content_size) {
 			memcpy(subbuf_ptr + layout->offset.content_size,
diff --git a/src/common/compat/endian.h b/src/common/compat/endian.h
index 42c7fab31..d808b40e4 100644
--- a/src/common/compat/endian.h
+++ b/src/common/compat/endian.h
@@ -10,6 +10,7 @@
 
 #if defined(__linux__) || defined(__CYGWIN__)
 #include <endian.h>
+#include <byteswap.h>
 
 /*
  * htobe/betoh are not defined for glibc <2.9, so add them
@@ -103,7 +104,11 @@
 #endif /* __USE_BSD */
 
 #elif defined(__FreeBSD__)
-#include <machine/endian.h>
+#include <sys/endian.h>
+
+#define bswap_16(x)	bswap16(x)
+#define bswap_32(x)	bswap32(x)
+#define bswap_64(x)	bswap64(x)
 
 #elif defined(__sun__)
 #include <sys/byteorder.h>
-- 
2.34.1