process.c: split struct_user_offsets into architecture-specific include files

* Makefile.am (EXTRA_DIST): Add linux/alpha/userent.h,
linux/arm/userent.h, linux/avr32/userent.h, linux/bfin/userent.h,
linux/crisv10/userent.h, linux/crisv32/userent.h,
linux/i386/userent.h, linux/i386/userent0.h, linux/ia64/userent.h,
linux/m68k/userent.h, linux/microblaze/userent.h,
linux/mips/userent.h, linux/or1k/userent.h, linux/powerpc/userent.h,
linux/s390/userent.h, linux/s390/userent0.h, linux/s390/userent1.h,
linux/s390x/userent.h, linux/sh/userent.h, linux/sh/userent0.h,
linux/sh64/userent.h, linux/sparc/userent.h, linux/sparc64/userent.h,
linux/tile/userent.h, linux/userent.h, linux/userent0.h,
linux/x32/userent.h, linux/x86_64/userent.h, and
linux/xtensa/userent.h.
* process.c (struct_user_offsets): Split into architecture-specific
include files, inculde userent.h.
diff --git a/linux/xtensa/userent.h b/linux/xtensa/userent.h
new file mode 100644
index 0000000..0bee717
--- /dev/null
+++ b/linux/xtensa/userent.h
@@ -0,0 +1,89 @@
+{ REG_A_BASE,		"a0" },
+{ REG_A_BASE+1,		"a1" },
+{ REG_A_BASE+2,		"a2" },
+{ REG_A_BASE+3,		"a3" },
+{ REG_A_BASE+4,		"a4" },
+{ REG_A_BASE+5,		"a5" },
+{ REG_A_BASE+6,		"a6" },
+{ REG_A_BASE+7,		"a7" },
+{ REG_A_BASE+8,		"a8" },
+{ REG_A_BASE+9,		"a9" },
+{ REG_A_BASE+10,	"a10" },
+{ REG_A_BASE+11,	"a11" },
+{ REG_A_BASE+12,	"a12" },
+{ REG_A_BASE+13,	"a13" },
+{ REG_A_BASE+14,	"a14" },
+{ REG_A_BASE+15,	"a15" },
+{ REG_PC,		"pc" },
+{ SYSCALL_NR,		"syscall_nr" },
+{ REG_AR_BASE,		"ar0" },
+{ REG_AR_BASE+1,	"ar1" },
+{ REG_AR_BASE+2,	"ar2" },
+{ REG_AR_BASE+3,	"ar3" },
+{ REG_AR_BASE+4,	"ar4" },
+{ REG_AR_BASE+5,	"ar5" },
+{ REG_AR_BASE+6,	"ar6" },
+{ REG_AR_BASE+7,	"ar7" },
+{ REG_AR_BASE+8,	"ar8" },
+{ REG_AR_BASE+9,	"ar9" },
+{ REG_AR_BASE+10,	"ar10" },
+{ REG_AR_BASE+11,	"ar11" },
+{ REG_AR_BASE+12,	"ar12" },
+{ REG_AR_BASE+13,	"ar13" },
+{ REG_AR_BASE+14,	"ar14" },
+{ REG_AR_BASE+15,	"ar15" },
+{ REG_AR_BASE+16,	"ar16" },
+{ REG_AR_BASE+17,	"ar17" },
+{ REG_AR_BASE+18,	"ar18" },
+{ REG_AR_BASE+19,	"ar19" },
+{ REG_AR_BASE+20,	"ar20" },
+{ REG_AR_BASE+21,	"ar21" },
+{ REG_AR_BASE+22,	"ar22" },
+{ REG_AR_BASE+23,	"ar23" },
+{ REG_AR_BASE+24,	"ar24" },
+{ REG_AR_BASE+25,	"ar25" },
+{ REG_AR_BASE+26,	"ar26" },
+{ REG_AR_BASE+27,	"ar27" },
+{ REG_AR_BASE+28,	"ar28" },
+{ REG_AR_BASE+29,	"ar29" },
+{ REG_AR_BASE+30,	"ar30" },
+{ REG_AR_BASE+31,	"ar31" },
+{ REG_AR_BASE+32,	"ar32" },
+{ REG_AR_BASE+33,	"ar33" },
+{ REG_AR_BASE+34,	"ar34" },
+{ REG_AR_BASE+35,	"ar35" },
+{ REG_AR_BASE+36,	"ar36" },
+{ REG_AR_BASE+37,	"ar37" },
+{ REG_AR_BASE+38,	"ar38" },
+{ REG_AR_BASE+39,	"ar39" },
+{ REG_AR_BASE+40,	"ar40" },
+{ REG_AR_BASE+41,	"ar41" },
+{ REG_AR_BASE+42,	"ar42" },
+{ REG_AR_BASE+43,	"ar43" },
+{ REG_AR_BASE+44,	"ar44" },
+{ REG_AR_BASE+45,	"ar45" },
+{ REG_AR_BASE+46,	"ar46" },
+{ REG_AR_BASE+47,	"ar47" },
+{ REG_AR_BASE+48,	"ar48" },
+{ REG_AR_BASE+49,	"ar49" },
+{ REG_AR_BASE+50,	"ar50" },
+{ REG_AR_BASE+51,	"ar51" },
+{ REG_AR_BASE+52,	"ar52" },
+{ REG_AR_BASE+53,	"ar53" },
+{ REG_AR_BASE+54,	"ar54" },
+{ REG_AR_BASE+55,	"ar55" },
+{ REG_AR_BASE+56,	"ar56" },
+{ REG_AR_BASE+57,	"ar57" },
+{ REG_AR_BASE+58,	"ar58" },
+{ REG_AR_BASE+59,	"ar59" },
+{ REG_AR_BASE+60,	"ar60" },
+{ REG_AR_BASE+61,	"ar61" },
+{ REG_AR_BASE+62,	"ar62" },
+{ REG_AR_BASE+63,	"ar63" },
+{ REG_LBEG,		"lbeg" },
+{ REG_LEND,		"lend" },
+{ REG_LCOUNT,		"lcount" },
+{ REG_SAR,		"sar" },
+{ REG_WB,		"wb" },
+{ REG_WS,		"ws" },
+{ REG_PS,		"ps" },