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changeset 3162:dc1eb82ffdaa

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Von: Thomas Zimmermann Betreff: [SDL] [PATCH] Make static variables const Datum: Tue, 19 May 2009 19:45:37 +0200 Hi, this is a set of simple changes which make some of SDL's internal static arrays constant. The purpose is to shrink the number of write-able static bytes and thus increase the number of memory pages shared between SDL applications. The patch set is against trunk@4513. Each of the attached patch files is specific to a sub-system. The set is completed by a second mail, because of the list's 40 KiB limit. The files readelf-r4513.txt and readelf-const-patch.txt where made by calling 'readelf -S libSDL.so'. They show the difference in ELF sections without and with the patch. Some numbers measured on my x86-64: Before [13] .rodata PROGBITS 00000000000eaaa0 000eaaa0 0000000000008170 0000000000000000 A 0 0 32 [19] .data.rel.ro PROGBITS 00000000003045e0 001045e0 00000000000023d0 0000000000000000 WA 0 0 32 [23] .data PROGBITS 00000000003076e0 001076e0 0000000000004988 0000000000000000 WA 0 0 32 After [13] .rodata PROGBITS 00000000000eaaa0 000eaaa0 0000000000009a50 0000000000000000 A 0 0 32 [19] .data.rel.ro PROGBITS 0000000000306040 00106040 0000000000002608 0000000000000000 WA 0 0 32 [23] .data PROGBITS 0000000000309360 00109360 0000000000002e88 0000000000000000 WA 0 0 32 The size of the write-able data section decreased considerably. Some entries became const-after-relocation, while most of its content went straight into the read-only data section. Best regards, Thomas
author Sam Lantinga <slouken@libsdl.org>
date Wed, 03 Jun 2009 04:37:27 +0000
parents 494559cc723b
children a252014ce27d
files src/SDL_fatal.c src/audio/SDL_audio.c src/audio/esd/SDL_esdaudio.c src/events/SDL_keyboard.c src/events/blank_cursor.h src/events/default_cursor.h src/events/scancodes_darwin.h src/events/scancodes_linux.h src/events/scancodes_win32.h src/events/scancodes_xfree86.h src/libm/e_log.c src/libm/e_rem_pio2.c src/libm/e_sqrt.c src/libm/k_cos.c src/libm/k_rem_pio2.c src/libm/k_sin.c src/libm/s_copysign.c src/libm/s_cos.c src/libm/s_fabs.c src/libm/s_floor.c src/libm/s_scalbn.c src/libm/s_sin.c src/stdlib/SDL_qsort.c src/thread/pthread/SDL_systhread.c src/video/SDL_RLEaccel.c src/video/SDL_blit_0.c src/video/SDL_blit_1.c src/video/SDL_blit_N.c src/video/SDL_video.c src/video/x11/SDL_x11keyboard.c src/video/x11/imKStoUCS.c
diffstat 31 files changed, 56 insertions(+), 47 deletions(-) [+]
line wrap: on
line diff
--- a/src/SDL_fatal.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/SDL_fatal.c	Wed Jun 03 04:37:27 2009 +0000
@@ -43,7 +43,7 @@
     raise(sig);
 }
 
-static int SDL_fatal_signals[] = {
+static const int SDL_fatal_signals[] = {
     SIGSEGV,
 #ifdef SIGBUS
     SIGBUS,
--- a/src/audio/SDL_audio.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/audio/SDL_audio.c	Wed Jun 03 04:37:27 2009 +0000
@@ -77,7 +77,7 @@
 
 
 /* Available audio drivers */
-static AudioBootStrap *bootstrap[] = {
+static const AudioBootStrap *const bootstrap[] = {
 #if SDL_AUDIO_DRIVER_BSD
     &BSD_AUDIO_bootstrap,
 #endif
--- a/src/audio/esd/SDL_esdaudio.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/audio/esd/SDL_esdaudio.c	Wed Jun 03 04:37:27 2009 +0000
@@ -60,9 +60,11 @@
 {
     const char *name;
     void **func;
-} esd_functions[] = {
-SDL_ESD_SYM(esd_open_sound),
-        SDL_ESD_SYM(esd_close), SDL_ESD_SYM(esd_play_stream),};
+} const esd_functions[] = {
+    SDL_ESD_SYM(esd_open_sound),
+    SDL_ESD_SYM(esd_close), SDL_ESD_SYM(esd_play_stream),
+};
+
 #undef SDL_ESD_SYM
 
 static void
--- a/src/events/SDL_keyboard.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/events/SDL_keyboard.c	Wed Jun 03 04:37:27 2009 +0000
@@ -34,7 +34,7 @@
 static int SDL_current_keyboard;
 static SDL_Keyboard **SDL_keyboards;
 
-static SDLKey SDL_default_keymap[SDL_NUM_SCANCODES] = {
+static const SDLKey SDL_default_keymap[SDL_NUM_SCANCODES] = {
     0, 0, 0, 0,
     'a',
     'b',
--- a/src/events/blank_cursor.h	Sun May 31 11:53:12 2009 +0000
+++ b/src/events/blank_cursor.h	Wed Jun 03 04:37:27 2009 +0000
@@ -28,7 +28,7 @@
 #define BLANK_CHOTX	0
 #define BLANK_CHOTY	0
 
-static unsigned char blank_cdata[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
-static unsigned char blank_cmask[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+static const unsigned char blank_cdata[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+static const unsigned char blank_cmask[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
 
 /* vi: set ts=4 sw=4 expandtab: */
--- a/src/events/default_cursor.h	Sun May 31 11:53:12 2009 +0000
+++ b/src/events/default_cursor.h	Wed Jun 03 04:37:27 2009 +0000
@@ -33,7 +33,7 @@
 
 #ifdef USE_MACOS_CURSOR
 
-static unsigned char default_cdata[] = {
+static const unsigned char default_cdata[] = {
     0x00, 0x00,
     0x40, 0x00,
     0x60, 0x00,
@@ -52,7 +52,7 @@
     0x00, 0x00
 };
 
-static unsigned char default_cmask[] = {
+static const unsigned char default_cmask[] = {
     0xC0, 0x00,
     0xE0, 0x00,
     0xF0, 0x00,
@@ -73,7 +73,7 @@
 
 #else
 
-static unsigned char default_cdata[] = {
+static const unsigned char default_cdata[] = {
     0x00, 0x00,
     0x40, 0x00,
     0x60, 0x00,
@@ -92,7 +92,7 @@
     0x00, 0x00
 };
 
-static unsigned char default_cmask[] = {
+static const unsigned char default_cmask[] = {
     0x40, 0x00,
     0xE0, 0x00,
     0xF0, 0x00,
--- a/src/events/scancodes_darwin.h	Sun May 31 11:53:12 2009 +0000
+++ b/src/events/scancodes_darwin.h	Wed Jun 03 04:37:27 2009 +0000
@@ -27,7 +27,7 @@
    - experimentation on various ADB and USB ISO keyboards and one ADB ANSI keyboard
 */
 /* *INDENT-OFF* */
-static SDL_scancode darwin_scancode_table[] = {
+static const SDL_scancode darwin_scancode_table[] = {
     /*   0 */   SDL_SCANCODE_A,
     /*   1 */   SDL_SCANCODE_S,
     /*   2 */   SDL_SCANCODE_D,
--- a/src/events/scancodes_linux.h	Sun May 31 11:53:12 2009 +0000
+++ b/src/events/scancodes_linux.h	Wed Jun 03 04:37:27 2009 +0000
@@ -26,7 +26,7 @@
    - Linux kernel source input.h
 */
 /* *INDENT-OFF* */
-static SDL_scancode linux_scancode_table[] = {
+static SDL_scancode const linux_scancode_table[] = {
     /*  0 */    SDL_SCANCODE_UNKNOWN,
     /*  1 */    SDL_SCANCODE_ESCAPE,
     /*  2 */    SDL_SCANCODE_1,
--- a/src/events/scancodes_win32.h	Sun May 31 11:53:12 2009 +0000
+++ b/src/events/scancodes_win32.h	Wed Jun 03 04:37:27 2009 +0000
@@ -26,7 +26,7 @@
    - msdn.microsoft.com
 */
 /* *INDENT-OFF* */
-static SDL_scancode win32_scancode_table[] = {
+static const SDL_scancode win32_scancode_table[] = {
     /*  0, 0x00 */      SDL_SCANCODE_UNKNOWN,
     /*  1, 0x01 */      SDL_SCANCODE_UNKNOWN,
     /*  2, 0x02 */      SDL_SCANCODE_UNKNOWN,
--- a/src/events/scancodes_xfree86.h	Sun May 31 11:53:12 2009 +0000
+++ b/src/events/scancodes_xfree86.h	Wed Jun 03 04:37:27 2009 +0000
@@ -26,7 +26,7 @@
    - atKeyNames.h from XFree86 source code
 */
 /* *INDENT-OFF* */
-static SDL_scancode xfree86_scancode_table[] = {
+static const SDL_scancode xfree86_scancode_table[] = {
     /*  0 */    SDL_SCANCODE_UNKNOWN,
     /*  1 */    SDL_SCANCODE_ESCAPE,
     /*  2 */    SDL_SCANCODE_1,
@@ -177,7 +177,7 @@
 };
 
 /* for wireless usb keyboard (manufacturer TRUST) without numpad. */
-static SDL_scancode xfree86_scancode_table2[] = {
+static const SDL_scancode xfree86_scancode_table2[] = {
     /*  0 */    SDL_SCANCODE_UNKNOWN,
     /*  1 */    SDL_SCANCODE_ESCAPE,
     /*  2 */    SDL_SCANCODE_1,
--- a/src/libm/e_log.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/libm/e_log.c	Wed Jun 03 04:37:27 2009 +0000
@@ -11,7 +11,8 @@
  */
 
 #if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_log.c,v 1.8 1995/05/10 20:45:49 jtc Exp $";
+static const char rcsid[] =
+    "$NetBSD: e_log.c,v 1.8 1995/05/10 20:45:49 jtc Exp $";
 #endif
 
 /* __ieee754_log(x)
--- a/src/libm/e_rem_pio2.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/libm/e_rem_pio2.c	Wed Jun 03 04:37:27 2009 +0000
@@ -11,7 +11,7 @@
  */
 
 #if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] =
+static const char rcsid[] =
     "$NetBSD: e_rem_pio2.c,v 1.8 1995/05/10 20:46:02 jtc Exp $";
 #endif
 
--- a/src/libm/e_sqrt.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/libm/e_sqrt.c	Wed Jun 03 04:37:27 2009 +0000
@@ -11,7 +11,8 @@
  */
 
 #if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_sqrt.c,v 1.8 1995/05/10 20:46:17 jtc Exp $";
+static const char rcsid[] =
+    "$NetBSD: e_sqrt.c,v 1.8 1995/05/10 20:46:17 jtc Exp $";
 #endif
 
 /* __ieee754_sqrt(x)
--- a/src/libm/k_cos.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/libm/k_cos.c	Wed Jun 03 04:37:27 2009 +0000
@@ -11,7 +11,8 @@
  */
 
 #if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: k_cos.c,v 1.8 1995/05/10 20:46:22 jtc Exp $";
+static const char rcsid[] =
+    "$NetBSD: k_cos.c,v 1.8 1995/05/10 20:46:22 jtc Exp $";
 #endif
 
 /*
--- a/src/libm/k_rem_pio2.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/libm/k_rem_pio2.c	Wed Jun 03 04:37:27 2009 +0000
@@ -11,7 +11,7 @@
  */
 
 #if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] =
+static const char rcsid[] =
     "$NetBSD: k_rem_pio2.c,v 1.7 1995/05/10 20:46:25 jtc Exp $";
 #endif
 
--- a/src/libm/k_sin.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/libm/k_sin.c	Wed Jun 03 04:37:27 2009 +0000
@@ -11,7 +11,8 @@
  */
 
 #if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: k_sin.c,v 1.8 1995/05/10 20:46:31 jtc Exp $";
+static const char rcsid[] =
+    "$NetBSD: k_sin.c,v 1.8 1995/05/10 20:46:31 jtc Exp $";
 #endif
 
 /* __kernel_sin( x, y, iy)
--- a/src/libm/s_copysign.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/libm/s_copysign.c	Wed Jun 03 04:37:27 2009 +0000
@@ -11,7 +11,7 @@
  */
 
 #if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] =
+static const char rcsid[] =
     "$NetBSD: s_copysign.c,v 1.8 1995/05/10 20:46:57 jtc Exp $";
 #endif
 
--- a/src/libm/s_cos.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/libm/s_cos.c	Wed Jun 03 04:37:27 2009 +0000
@@ -11,7 +11,8 @@
  */
 
 #if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: s_cos.c,v 1.7 1995/05/10 20:47:02 jtc Exp $";
+static const char rcsid[] =
+    "$NetBSD: s_cos.c,v 1.7 1995/05/10 20:47:02 jtc Exp $";
 #endif
 
 /* cos(x)
--- a/src/libm/s_fabs.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/libm/s_fabs.c	Wed Jun 03 04:37:27 2009 +0000
@@ -11,7 +11,8 @@
  */
 
 #if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: s_fabs.c,v 1.7 1995/05/10 20:47:13 jtc Exp $";
+static const char rcsid[] =
+    "$NetBSD: s_fabs.c,v 1.7 1995/05/10 20:47:13 jtc Exp $";
 #endif
 
 /*
--- a/src/libm/s_floor.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/libm/s_floor.c	Wed Jun 03 04:37:27 2009 +0000
@@ -11,7 +11,7 @@
  */
 
 #if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] =
+static const char rcsid[] =
     "$NetBSD: s_floor.c,v 1.8 1995/05/10 20:47:20 jtc Exp $";
 #endif
 
--- a/src/libm/s_scalbn.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/libm/s_scalbn.c	Wed Jun 03 04:37:27 2009 +0000
@@ -11,7 +11,7 @@
  */
 
 #if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] =
+static const char rcsid[] =
     "$NetBSD: s_scalbn.c,v 1.8 1995/05/10 20:48:08 jtc Exp $";
 #endif
 
--- a/src/libm/s_sin.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/libm/s_sin.c	Wed Jun 03 04:37:27 2009 +0000
@@ -11,7 +11,8 @@
  */
 
 #if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: s_sin.c,v 1.7 1995/05/10 20:48:15 jtc Exp $";
+static const char rcsid[] =
+    "$NetBSD: s_sin.c,v 1.7 1995/05/10 20:48:15 jtc Exp $";
 #endif
 
 /* sin(x)
--- a/src/stdlib/SDL_qsort.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/stdlib/SDL_qsort.c	Wed Jun 03 04:37:27 2009 +0000
@@ -60,7 +60,7 @@
 
 #ifndef HAVE_QSORT
 
-static char _ID[] = "<qsort.c gjm 1.12 1998-03-19>";
+static const char _ID[] = "<qsort.c gjm 1.12 1998-03-19>";
 
 /* How many bytes are there per word? (Must be a power of 2,
  * and must in fact equal sizeof(int).)
--- a/src/thread/pthread/SDL_systhread.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/thread/pthread/SDL_systhread.c	Wed Jun 03 04:37:27 2009 +0000
@@ -29,7 +29,7 @@
 #include "../SDL_systhread.h"
 
 /* List of signals to mask in the subthreads */
-static int sig_list[] = {
+static const int sig_list[] = {
     SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGCHLD, SIGWINCH,
     SIGVTALRM, SIGPROF, 0
 };
--- a/src/video/SDL_RLEaccel.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/video/SDL_RLEaccel.c	Wed Jun 03 04:37:27 2009 +0000
@@ -1259,7 +1259,7 @@
 
 typedef Uint32(*getpix_func) (Uint8 *);
 
-static getpix_func getpixes[4] = {
+static const getpix_func getpixes[4] = {
     getpix_8, getpix_16, getpix_24, getpix_32
 };
 
--- a/src/video/SDL_blit_0.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/video/SDL_blit_0.c	Wed Jun 03 04:37:27 2009 +0000
@@ -443,11 +443,11 @@
     }
 }
 
-static SDL_BlitFunc bitmap_blit[] = {
+static const SDL_BlitFunc bitmap_blit[] = {
     NULL, BlitBto1, BlitBto2, BlitBto3, BlitBto4
 };
 
-static SDL_BlitFunc colorkey_blit[] = {
+static const SDL_BlitFunc colorkey_blit[] = {
     NULL, BlitBto1Key, BlitBto2Key, BlitBto3Key, BlitBto4Key
 };
 
--- a/src/video/SDL_blit_1.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/video/SDL_blit_1.c	Wed Jun 03 04:37:27 2009 +0000
@@ -512,11 +512,11 @@
     }
 }
 
-static SDL_BlitFunc one_blit[] = {
+static const SDL_BlitFunc one_blit[] = {
     NULL, Blit1to1, Blit1to2, Blit1to3, Blit1to4
 };
 
-static SDL_BlitFunc one_blitkey[] = {
+static const SDL_BlitFunc one_blitkey[] = {
     NULL, Blit1to1Key, Blit1to2Key, Blit1to3Key, Blit1to4Key
 };
 
--- a/src/video/SDL_blit_N.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/video/SDL_blit_N.c	Wed Jun 03 04:37:27 2009 +0000
@@ -113,7 +113,7 @@
      *  leave alpha with a zero mask, but we should still swizzle the bits.
      */
     /* ARGB */
-    const static struct SDL_PixelFormat default_pixel_format = {
+    const static const struct SDL_PixelFormat default_pixel_format = {
         NULL, 32, 4,
         0, 0, 0, 0,
         16, 8, 0, 24,
@@ -2404,7 +2404,7 @@
     {0, 0, 0, 0, 0, 0, 0, 0, BlitNtoN, 0}
 };
 
-static const struct blit_table *normal_blit[] = {
+static const struct blit_table *const normal_blit[] = {
     normal_blit_1, normal_blit_2, normal_blit_3, normal_blit_4
 };
 
--- a/src/video/SDL_video.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/video/SDL_video.c	Wed Jun 03 04:37:27 2009 +0000
@@ -48,7 +48,7 @@
 #endif /* SDL_VIDEO_OPENGL */
 
 /* Available video drivers */
-static VideoBootStrap *bootstrap[] = {
+static const VideoBootStrap *const bootstrap[] = {
 #if SDL_VIDEO_DRIVER_COCOA
     &COCOA_bootstrap,
 #endif
--- a/src/video/x11/SDL_x11keyboard.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/video/x11/SDL_x11keyboard.c	Wed Jun 03 04:37:27 2009 +0000
@@ -32,7 +32,7 @@
 #include "imKStoUCS.h"
 
 /* *INDENT-OFF* */
-static struct {
+static const struct {
     KeySym keysym;
     SDLKey sdlkey;
 } KeySymToSDLKey[] = {
@@ -132,9 +132,9 @@
     { XK_Mode_switch, SDLK_MODE },
 };
 
-static struct
+static const struct
 {
-    SDL_scancode *table;
+    const SDL_scancode const *table;
     int table_size;
 } scancode_set[] = {
     { darwin_scancode_table, SDL_arraysize(darwin_scancode_table) },
--- a/src/video/x11/imKStoUCS.c	Sun May 31 11:53:12 2009 +0000
+++ b/src/video/x11/imKStoUCS.c	Wed Jun 03 04:37:27 2009 +0000
@@ -102,7 +102,7 @@
     0x06a9, 0x06af, 0x06ba, 0x06be, 0x06cc, 0x06d2, 0x06c1      /* 0x05f8-0x05fe */
 };
 
-static unsigned short keysym_to_unicode_680_6ff[] = {
+static unsigned short const keysym_to_unicode_680_6ff[] = {
     0x0492, 0x0496, 0x049a, 0x049c, 0x04a2, 0x04ae, 0x04b0, 0x04b2,     /* 0x0680-0x0687 */
     0x04b6, 0x04b8, 0x04ba, 0x0000, 0x04d8, 0x04e2, 0x04e8, 0x04ee,     /* 0x0688-0x068f */
     0x0493, 0x0497, 0x049b, 0x049d, 0x04a3, 0x04af, 0x04b1, 0x04b3,     /* 0x0690-0x0697 */
@@ -214,7 +214,7 @@
     0x11eb, 0x0000, 0x11f9, 0x0000, 0x0000, 0x0000, 0x0000, 0x20a9,     /* 0x0ef8-0x0eff */
 };
 
-static unsigned short keysym_to_unicode_12a1_12fe[] = {
+static unsigned short const keysym_to_unicode_12a1_12fe[] = {
     0x1e02, 0x1e03, 0x0000, 0x0000, 0x0000, 0x1e0a, 0x0000,     /* 0x12a0-0x12a7 */
     0x1e80, 0x0000, 0x1e82, 0x1e0b, 0x1ef2, 0x0000, 0x0000, 0x0000,     /* 0x12a8-0x12af */
     0x1e1e, 0x1e1f, 0x0000, 0x0000, 0x1e40, 0x1e41, 0x0000, 0x1e56,     /* 0x12b0-0x12b7 */
@@ -233,7 +233,7 @@
     0x0152, 0x0153, 0x0178      /* 0x13b8-0x13bf */
 };
 
-static unsigned short keysym_to_unicode_14a1_14ff[] = {
+static unsigned short const keysym_to_unicode_14a1_14ff[] = {
     0x2741, 0x00a7, 0x0589, 0x0029, 0x0028, 0x00bb, 0x00ab,     /* 0x14a0-0x14a7 */
     0x2014, 0x002e, 0x055d, 0x002c, 0x2013, 0x058a, 0x2026, 0x055c,     /* 0x14a8-0x14af */
     0x055b, 0x055e, 0x0531, 0x0561, 0x0532, 0x0562, 0x0533, 0x0563,     /* 0x14b0-0x14b7 */
@@ -248,7 +248,7 @@
     0x0554, 0x0584, 0x0555, 0x0585, 0x0556, 0x0586, 0x2019, 0x0027,     /* 0x14f8-0x14ff */
 };
 
-static unsigned short keysym_to_unicode_15d0_15f6[] = {
+static unsigned short const keysym_to_unicode_15d0_15f6[] = {
     0x10d0, 0x10d1, 0x10d2, 0x10d3, 0x10d4, 0x10d5, 0x10d6, 0x10d7,     /* 0x15d0-0x15d7 */
     0x10d8, 0x10d9, 0x10da, 0x10db, 0x10dc, 0x10dd, 0x10de, 0x10df,     /* 0x15d8-0x15df */
     0x10e0, 0x10e1, 0x10e2, 0x10e3, 0x10e4, 0x10e5, 0x10e6, 0x10e7,     /* 0x15e0-0x15e7 */
@@ -256,7 +256,7 @@
     0x10f0, 0x10f1, 0x10f2, 0x10f3, 0x10f4, 0x10f5, 0x10f6      /* 0x15f0-0x15f7 */
 };
 
-static unsigned short keysym_to_unicode_16a0_16f6[] = {
+static unsigned short const keysym_to_unicode_16a0_16f6[] = {
     0x0000, 0x0000, 0xf0a2, 0x1e8a, 0x0000, 0xf0a5, 0x012c, 0xf0a7,     /* 0x16a0-0x16a7 */
     0xf0a8, 0x01b5, 0x01e6, 0x0000, 0x0000, 0x0000, 0x0000, 0x019f,     /* 0x16a8-0x16af */
     0x0000, 0x0000, 0xf0b2, 0x1e8b, 0x01d1, 0xf0b5, 0x012d, 0xf0b7,     /* 0x16b0-0x16b7 */