Author: hselasky
Date: Thu May 25 05:23:47 2017
New Revision: 318860
URL: https://svnweb.freebsd.org/changeset/base/318860
Log:
Declare the "snd_fxdiv_table" once. This shaves around 24Kbytes of
binary data from sound.ko and the kernel.
MFC after: 3 days
Modified:
head/sys/dev/sound/pcm/buffer.c
head/sys/tools/sound/snd_fxdiv_gen.awk
Modified: head/sys/dev/sound/pcm/buffer.c
==============================================================================
--- head/sys/dev/sound/pcm/buffer.c Thu May 25 05:02:43 2017
(r318859)
+++ head/sys/dev/sound/pcm/buffer.c Thu May 25 05:23:47 2017
(r318860)
@@ -35,6 +35,7 @@
#include "feeder_if.h"
#define SND_USE_FXDIV
+#define SND_DECLARE_FXDIV
#include "snd_fxdiv_gen.h"
SND_DECLARE_FILE("$FreeBSD$");
Modified: head/sys/tools/sound/snd_fxdiv_gen.awk
==============================================================================
--- head/sys/tools/sound/snd_fxdiv_gen.awk Thu May 25 05:02:43 2017
(r318859)
+++ head/sys/tools/sound/snd_fxdiv_gen.awk Thu May 25 05:23:47 2017
(r318860)
@@ -108,7 +108,10 @@ BEGIN {
printf(" * 508 = SND_CHN_MAX * PCM_32_BPS, which is why....\n");
printf(" */\n\n");
- printf("static const uint32_t snd_fxdiv_table[][2] = {\n");
+ printf("extern const uint32_t snd_fxdiv_table[%d][2];\n\n",
SND_MAX_ALIGN + 1);
+
+ printf("#ifdef SND_DECLARE_FXDIV\n");
+ printf("const uint32_t snd_fxdiv_table[%d][2] = {\n", SND_MAX_ALIGN +
1);
for (i = 1; i <= SND_MAX_ALIGN; i++) {
if (aligns[i] != 1)
@@ -120,7 +123,7 @@ BEGIN {
i, r["mul"], r["shift"]);
}
- printf("};\n\n");
+ printf("};\n#endif\n\n");
printf("#define SND_FXDIV_MAX\t\t0x%08x\n", FXONE);
printf("#define SND_FXDIV(x, y)\t\t(((uint32_t)(x) *\t\t\t\\\n");
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