On 10/14/2015 07:47 AM, H. Nikolaus Schaller wrote:

quoted

diff --git a/arch/arm/vdso/vdsomunge.c b/arch/arm/vdso/vdsomunge.c
index aedec81..27a9a0b 100644
--- a/arch/arm/vdso/vdsomunge.c
+++ b/arch/arm/vdso/vdsomunge.c

@@ -45,7 +45,18 @@

* it does.
*/

-#include <byteswap.h>
+#define swab16(x) \
+	((unsigned short)( \
+		(((unsigned short)(x) & (unsigned short)0x00ffU) << 8) | \
+		(((unsigned short)(x) & (unsigned short)0xff00U) >> 8) ))
+
+#define swab32(x) \
+	((unsigned int)( \
+		(((unsigned int)(x) & (unsigned int)0x000000ffUL) << 24) | \
+		(((unsigned int)(x) & (unsigned int)0x0000ff00UL) <<  8) | \
+		(((unsigned int)(x) & (unsigned int)0x00ff0000UL) >>  8) | \
+		(((unsigned int)(x) & (unsigned int)0xff000000UL) >> 24) ))
+
#include <elf.h>
#include <errno.h>
#include <fcntl.h>

@@ -104,17 +115,17 @@ static void cleanup(void)

static Elf32_Word read_elf_word(Elf32_Word word, bool swap)
{
-	return swap ? bswap_32(word) : word;
+	return swap ? swab32(word) : word;
}

static Elf32_Half read_elf_half(Elf32_Half half, bool swap)
{
-	return swap ? bswap_16(half) : half;
+	return swap ? swab16(half) : half;
}

static void write_elf_word(Elf32_Word val, Elf32_Word *dst, bool swap)
{
-	*dst = swap ? bswap_32(val) : val;
+	*dst = swap ? swab32(val) : val;
}

ping.

Sorry for the delay.

This is okay but I'd prefer the swab macros to be below the #include
lines, and it would be easier for me to deal with a patch that isn't
whitespace-damaged.